Hand rubbing clutch for washing machine

By introducing a clutch heat dissipation component and a flexible buffer component into the washing machine clutch, the problems of clutch overheating and vibration noise in hand-washing mode are solved, improving the reliability of the clutch and the stability of the washing machine, extending its service life and enhancing the user experience.

CN223813627UActive Publication Date: 2026-01-20CIXI YIDA ELECTRICAL APPLIANCE
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Patent Information

Application Number
CN202520370809.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-20
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

The existing hand-rubbing clutch of washing machines is prone to overheating during frequent directional friction, leading to performance degradation and damage. At the same time, it produces significant vibration and noise, affecting the stability and comfort of the device.

Method used

The system employs a clutch-type heat dissipation component and a flexible buffer component. The clutch-type heat dissipation component dissipates heat through a collector fan blade and a vertical cooling fan, while the flexible buffer component reduces vibration through a buffer ring and a fixed elastic sheet, thus solving the problems of heat accumulation and vibration respectively.

Benefits of technology

It improves the reliability and durability of the clutch, reduces vibration and noise, ensures stable operation of the washing machine in hand-wash mode, extends its service life, and optimizes the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hand rubbing clutch for a washing machine, which relates to the technical field of washing machine clutches, and comprises a washing machine clutch, the bottom end of the washing machine clutch is fixedly connected with a driving belt pulley, the top end of the washing machine clutch is provided with a washing machine liner, and the top side of the outer surface of the washing machine clutch is provided with a clutch heat dissipation assembly. According to the clutch heat dissipation assembly, bidirectional heat dissipation can be conducted on the outer surface of the clutch body through the air collection fan blades and the vertical heat dissipation fan in the clutch heat dissipation assembly, the problem that performance is reduced or even damaged due to the fact that heat is generated in the frequent turning friction process of the clutch is solved, and the working reliability and durability of the clutch are improved; and the connecting part of the dewatering shaft and the washing inner drum is buffered through the flexible buffer group, so that noise generated by frequent rotation and turning of the clutch and vibration of the inner drum and the impeller can be effectively reduced while the main shaft body is fixed by the mounting and fixing block, and the stability and comfort of device operation are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a washing machine clutch technical field, concretely is a hand rubbing clutch for washing machine. BACKGROUND

[0002] The hand rubbing clutch for washing machine is a key component in the transmission system of the washing machine. It is mainly used for controlling the rotation mode of the inner drum and the pulsator of the washing machine to realize different washing modes and simulate the washing effect of hand rubbing. During the washing process, when the hand rubbing action needs to be simulated, the pulsator will rotate alternately in the forward and reverse directions, and the inner drum will also cooperate with the movement of the pulsator to a certain extent to produce an action similar to hand rubbing clothes. Through the simulation of the hand rubbing action, the stains on the clothes can be removed more effectively.

[0003] The existing technology has the following problems:

[0004] Compared with the simple high-speed rotation washing of the pulsator, the clothes are subjected to a softer rubbing in the hand rubbing mode, which is less likely to be entangled and deformed than in high-speed rotation, so the clothes are better protected. However, during the operation of the clutch, frequent rotation changes occur, which will cause vibration and noise with the inner drum and the pulsator, resulting in low stability and comfort of the device. In addition, heat will be generated during the frequent friction of the clutch during the change of direction, which will cause the performance of the clutch to decrease or even be damaged, reducing its working reliability and durability. SUMMARY

[0005] The utility model provides a hand rubbing clutch for washing machine to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A hand rubbing clutch for washing machine, comprising a washing machine clutch, the bottom end of the washing machine clutch is fixedly connected with a driving pulley, the top end of the washing machine clutch is provided with a washing machine inner container, and the top side of the outer surface of the washing machine clutch is provided with a clutch heat dissipation assembly.

[0008] The further improvement of the utility model technical scheme is that the washing machine inner container comprises a washing inner drum, the washing inner drum is rotatably connected with a pulsator at the bottom end of the inner side, and the pulsator and the middle part of the washing inner drum are arranged on the outer surface of the top end of the dehydration shaft.

[0009] The further improvement of the utility model technical scheme lies in: the washing machine clutch includes clutch main part, the inside of clutch main part is provided with washing shaft, washing shaft top end extends to clutch main part top end outside, the inside of clutch main part is provided with dehydration shaft, dehydration shaft top end extends to clutch main part top end outside, dehydration shaft sleeve is set on washing shaft outer surface, the inside of clutch main part is provided with drive shaft, drive shaft bottom end extends to clutch main part bottom end outside, drive shaft bottom end fixedly connected in drive belt pulley top end middle part.

[0010] The further improvement of the utility model technical scheme lies in: the dehydration shaft includes main shaft body, the main shaft body sleeve is set on washing shaft outer surface, a plurality of fixed guide grooves are formed on the outer surface of the main shaft body, the middle part of the washing inner drum and the middle part of the impeller bottom are jointly provided with a mounting groove, a flexible buffer assembly is fixedly connected to the upper portion of the inner wall of the mounting groove, a plurality of mounting fixed blocks are fixedly connected to the lower portion of the inner wall of the mounting groove, the number of the mounting fixed blocks is same with the number of the fixed guide grooves, the mounting fixed blocks can enter the inside of the fixed guide grooves respectively, and the washing shaft can be installed in the middle part of the impeller bottom through the mounting groove.

[0011] The further improvement of the utility model technical scheme lies in: the flexible buffer assembly includes a buffer ring, the outer surface of the buffer ring is fixedly connected to the inside of the mounting groove, a plurality of arc-shaped fixed elastic sheets are fixedly connected to the inside of the buffer ring, the arc surface of the fixed elastic sheets protrudes from one side of the buffer ring, and the buffer ring is made of rubber.

[0012] The further improvement of the utility model technical scheme lies in: the clutch heat dissipation assembly includes a guide gear, the inside of the guide gear is fixedly connected to the outer surface of the top end of the clutch main part, three heat dissipation drive gears are meshingly connected to the outer surface of the guide gear, the heat dissipation drive gears are uniformly distributed on the outer surface of the guide gear, the top end of the heat dissipation drive gear is rotatably connected to the bottom end of the washing inner drum, the bottom end of the heat dissipation drive gear is fixedly connected with a supporting column, the bottom end of the supporting column is fixedly connected with a vertical heat dissipation fan, a rotating internal gear is jointly meshingly connected to the outer surfaces of the heat dissipation drive gears, a plurality of fan blades are fixedly connected to the bottom end of the rotating internal gear, and a fixed ring is fixedly connected to the bottom end of the fan blades.

[0013] The further improvement of the utility model technical scheme lies in: the bottom end of the fixed ring is lower than the bottom end of the vertical heat dissipation fan.

[0014] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1. The utility model provides a hand rubbing clutch for washing machine, can be through the wind collecting fan blade and vertical heat dissipation fan in the clutch heat dissipation subassembly, can carry out heat dissipation to clutch main body outer surface, through the wind collecting fan blade transverse delivery outside air to vertical heat dissipation fan, then by vertical heat dissipation fan downward to clutch main body carries out heat dissipation, solved the problem that clutch generates heat in the frequent change direction friction process and leads to performance decline even damage, improved the reliability and durability of clutch work, ensured that the clutch can work stably when the washing machine is in long time operation hand rubbing mode, prolonged the service life of washing machine whole, reduced the trouble maintenance frequency caused by clutch overheating.

[0016] 2. The utility model provides a hand rubbing clutch for washing machine, can pass through the flexible buffer group and buffer the connecting part of dehydration axis and washing inner tube, can effectively reduce the noise produced by the vibration of inner tube and impeller when clutch frequent rotation changes direction and installs fixed block fixed main shaft body, improves the stability and comfort of device operation, makes the user feel no obvious vibration and noise interference when washing machine works, optimizes the use experience. DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2 It is the internal structure section view of the utility model;

[0019] Figure 3 It is the structure schematic drawing of clutch heat dissipation subassembly of the utility model;

[0020] Figure 4 It is the structure schematic drawing of dehydration axis of the utility model;

[0021] Figure 5 It is the structure schematic drawing of flexible buffer assembly of the utility model.

[0022] In the drawing: 1, washing machine inner container; 11, washing inner tube; 12, impeller; 2, clutch heat dissipation subassembly; 21, rotation internal gear; 22, wind collecting fan blade; 23, fixed ring; 24, vertical heat dissipation fan; 25, support column; 26, heat dissipation drive gear; 27, guide gear; 3, washing machine clutch; 31, washing shaft; 32, dehydration axis; 321, installation groove; 322, main shaft body; 323, fixed guide slot; 324, installation fixed block; 33, clutch main body; 34, drive shaft; 35, flexible buffer assembly; 351, buffer ring; 352, fixed elastic sheet; 4, drive belt pulley. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As shown in Figures 1-5 The utility model provides a hand rubbing clutch for washing machine, including washing machine clutch 3, washing machine clutch 3 can control the rotation mode of washing inner cylinder 11 and pulsator 12, realizes different washing mode, washing machine clutch 3 bottom fixedly connected with drive pulley 4, drive pulley 4 is as the intermediate medium of power transmission, the power generated by motor is transmitted to washing machine clutch 3, washing machine clutch 3 top is provided with washing machine inner container 1, washing machine inner container 1 can be cleaned under the drive of washing machine clutch 3, washing machine clutch 3 outer surface top side is provided with clutch heat dissipation subassembly 2, and clutch heat dissipation subassembly 2 is the heat dissipation of washing machine clutch 3 in the working process, prevents the performance decline of clutch due to overheating even damage.

[0025] As shown in Figure 2 The utility model provides a hand rubbing clutch for washing machine technical scheme: preferably, washing machine inner container 1 includes washing inner cylinder 11, and washing inner cylinder 11 inside bottom end is rotatably connected with pulsator 12, and the middle part of pulsator 12 and washing inner cylinder 11 is arranged on the top end outer surface of dehydration shaft 32, and washing inner cylinder 11 and pulsator 12 are rotated under the drive of washing machine clutch 3 and can be rotated in different modes, and the clothes inside are cleaned, and all are prior art, which will not be explained here.

[0026] As shown in Figure 2 The utility model provides a hand rubbing clutch for washing machine technical scheme: preferably, washing machine clutch 3 includes clutch main body 33, and washing shaft 31 is arranged in clutch main body 33, and washing shaft 31 top end extends to the outside of clutch main body 33 top end, and dehydration shaft 32 is arranged in clutch main body 33, and dehydration shaft 32 top end extends to the outside of clutch main body 33 top end, and dehydration shaft 32 is sleeved on the outer surface of washing shaft 31, and drive shaft 34 is arranged in the inside of clutch main body 33, and drive shaft 34 bottom end extends to the outside of clutch main body 33 bottom end, and drive shaft 34 bottom end is fixedly connected to the top middle part of drive pulley 4.

[0027] Clutch main body 33 can coordinate the movement relationship between parts, realize the control of different rotation modes of washing inner cylinder 11 and pulsator 12, and washing shaft 31 and dehydration shaft 32 can rotate in different types in different modes, such as relative rotation, synchronous rotation or single rotation, can control pulsator 12 and washing inner cylinder 11 to make corresponding movement to clean clothes, and drive shaft 34 can receive the power of drive pulley 4 to make clutch main body 33 transmit and change power.

[0028] As shown in Figures 2-3As shown in the technical scheme of the hand rubbing clutch for washing machine, preferably, the fixing ring 23 is lower than the bottom end of the vertical heat dissipation fan 24.

[0029] As shown in the technical scheme of the hand rubbing clutch for washing machine, preferably, the fixing ring 23 is lower than the bottom end of the vertical heat dissipation fan 24. Figure 3 When the dehydration shaft 32 rotates under the control of the clutch main body 33, the clutch main body 33 is fixed outside the washing machine and does not move, and the rotation of the washing inner drum 11 drives the heat dissipation drive gear 26 to rotate around the guide gear 27, and because the heat dissipation drive gear 26 is engaged with the guide gear 27, the heat dissipation drive gear 26 rotates while revolving, thereby driving the vertical heat dissipation fan 24 to rotate under the connection of the support column 25, and outputting heat dissipation wind downward, and the rotary internal gear 21 engaged with the three heat dissipation drive gears 26 rotates due to the rotation of the heat dissipation drive gear 26, thereby driving the plurality of wind collecting fan blades 22 to rotate synchronously, and the wind collecting fan blades 22 accelerate the air around to be transported to the inside, thereby forming horizontal transportation, and then the vertical heat dissipation fan 24 performs heat dissipation downward, thereby further improving the heat dissipation effect.

[0030] As shown in the technical scheme of the hand rubbing clutch for washing machine, preferably, the dehydration shaft 32 comprises a main shaft body 322, the main shaft body 322 is sleeved on the outer surface of the washing shaft 31, a plurality of fixed guide grooves 323 are formed in the outer surface of the main shaft body 322, an installation groove 321 is formed in the middle part of the washing inner drum 11 and the middle part of the pulsator 12, a flexible buffer assembly 35 is fixedly connected to the upper part of the inner wall of the installation groove 321, a plurality of installation fixing blocks 324 are fixedly connected to the lower part of the inner wall of the installation groove 321, the number of the installation fixing blocks 324 is same as that of the fixed guide grooves 323, the plurality of installation fixing blocks 324 can enter the inner side of the fixed guide grooves 323 respectively, and the washing shaft 31 can be installed at the middle part of the bottom end of the pulsator 12 through the installation groove 321.

[0031] Figure 4 As shown in the technical scheme of the hand rubbing clutch for washing machine, preferably, the dehydration shaft 32 comprises a main shaft body 322, the main shaft body 322 is sleeved on the outer surface of the washing shaft 31, a plurality of fixed guide grooves 323 are formed in the outer surface of the main shaft body 322, an installation groove 321 is formed in the middle part of the washing inner drum 11 and the middle part of the pulsator 12, a flexible buffer assembly 35 is fixedly connected to the upper part of the inner wall of the installation groove 321, a plurality of installation fixing blocks 324 are fixedly connected to the lower part of the inner wall of the installation groove 321, the number of the installation fixing blocks 324 is same as that of the fixed guide grooves 323, the plurality of installation fixing blocks 324 can enter the inner side of the fixed guide grooves 323 respectively, and the washing shaft 31 can be installed at the middle part of the bottom end of the pulsator 12 through the installation groove 321.

[0032] ​The main shaft body 322 can be installed more quickly through the guiding of the fixed guide groove 323 and the installation fixed block 324, and the flexible buffering assembly 35 can be tightly attached to the main shaft body 322 and the washing inner drum 11 in the installation process, so that the vibration and noise generated in the working process are reduced.

[0033] As shown in Figure 5 The technical scheme of the hand rubbing clutch for the washing machine is provided, preferably, the flexible buffering assembly 35 comprises a buffering ring 351, the outer surface of the buffering ring 351 is fixedly connected to the inner side of the installation groove 321, a plurality of circular-arc-shaped fixed elastic pieces 352 are fixedly connected to the inside of the buffering ring 351, the arc surface of the plurality of fixed elastic pieces 352 protrudes on one side close to the installation groove 321, and the material of the buffering ring 351 is rubber.

[0034] The buffering ring 351 utilizes the characteristics of the rubber material to absorb and disperse vibration energy, reduces the vibration transmission caused by the frequent rotation and direction change of the clutch, the fixed elastic pieces 352 work cooperatively with the buffering ring 351 to further enhance the buffering effect, the vibration energy is more effectively dispersed and consumed through the elastic deformation and structural characteristics of the fixed elastic pieces 352, and the concave part can provide a stable effect for the main shaft body 322 when the main shaft body 322 is inserted due to the arc-shaped protrusion of one side of the fixed elastic pieces 352.

[0035] The working principle of the hand rubbing clutch for the washing machine will be described below.

[0036] As shown in Figures 1-5 The main shaft body 322 of the dehydration shaft 32 is installed in the middle part of the bottom end of the pulsator 12 through the installation groove 321, the installation fixed block 324 enters the fixed guide groove 323, and the flexible buffering assembly 35 is pressed to be tightly attached, the connection between the washing machine inner container 1 and the dehydration shaft 32 is completed, the driving belt pulley 4 is connected with the motor, the power generated by the motor is transmitted to the clutch main body 33 through the driving belt pulley 4 and the driving shaft 34, during washing, the clutch main body 33 controls the washing shaft 31 and the dehydration shaft 32 to drive the pulsator 12 and the washing inner drum 11 to move cooperatively, during the working process, the dehydration shaft 32 rotates to drive the washing inner drum 11 to rotate, and then the heat dissipation driving gear 26 revolves and rotates, the vertical heat dissipation fan 24 is driven to rotate to blow air downward for heat dissipation, and the air is horizontally transported by the rotating inner gear 21 and the air collecting fan blade 22, so that the heat dissipation effect is enhanced.

[0037] The above is a detailed description of the washing machine, but some modifications or improvements can be made on the basis of the washing machine, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the washing machine are within the protection scope of the washing machine.

Claims

1. A hand rubbing clutch for washing machines, comprising a washing machine clutch (3), characterized in that: The bottom end of the washing machine clutch (3) is fixedly connected with a driving belt pulley (4), the top end of the washing machine clutch (3) is provided with a washing machine inner container (1), and the top side of the outer surface of the washing machine clutch (3) is provided with a clutch heat dissipation assembly (2).

2. A hand rubbing clutch for a washing machine according to claim 1, wherein: The washing machine inner container (1) comprises a washing inner cylinder (11), the inner side of the washing inner cylinder (11) is rotatably connected with an impeller (12), and the middle part of the impeller (12) and the washing inner cylinder (11) are arranged on the top end outer surface of a dehydration shaft (32).

3. A hand rubbing clutch for a washing machine as claimed in claim 2 wherein: The washing machine clutch (3) comprises a clutch main body (33), the inside of the clutch main body (33) is provided with a washing shaft (31), the top end of the washing shaft (31) extends to the outside of the top end of the clutch main body (33), the inside of the clutch main body (33) is provided with a dehydration shaft (32), the top end of the dehydration shaft (32) extends to the outside of the top end of the clutch main body (33), the dehydration shaft (32) is sleeved on the outer surface of the washing shaft (31), the inside of the clutch main body (33) is provided with a driving shaft (34), the bottom end of the driving shaft (34) extends to the outside of the bottom end of the clutch main body (33), and the bottom end of the driving shaft (34) is fixedly connected to the top end middle part of the driving belt pulley (4).

4. A hand rubbing clutch for a washing machine as claimed in claim 3 wherein: The dehydration shaft (32) comprises a main shaft body (322), the main shaft body (322) is sleeved on the outer surface of the washing shaft (31), a plurality of fixed guide grooves (323) are formed in the outer surface of the main shaft body (322), the middle part of the washing inner cylinder (11) and the middle part of the bottom end of the impeller (12) are jointly provided with a mounting groove (321), a flexible buffer assembly (35) is fixedly connected to the upper inner wall of the mounting groove (321), a plurality of mounting fixed blocks (324) are fixedly connected to the lower inner wall of the mounting groove (321), the number of the mounting fixed blocks (324) is the same as that of the fixed guide grooves (323), a plurality of the mounting fixed blocks (324) can enter the inside of the fixed guide grooves (323), and the washing shaft (31) can be mounted at the middle part of the bottom end of the impeller (12) through the mounting groove (321).

5. A hand rubbing clutch for a washing machine as claimed in claim 4 wherein: The flexible buffer assembly (35) comprises a buffer ring (351), the outer surface of the buffer ring (351) is fixedly connected to the inside of the mounting groove (321), a plurality of circular-arc-shaped fixed elastic sheets (352) are fixedly connected to the inside of the buffer ring (351), one side of the arc surface of the plurality of fixed elastic sheets (352) protrudes and is close to the mounting groove (321), and the material of the buffer ring (351) is rubber.

6. A hand rubbing clutch for a washing machine as claimed in claim 3 wherein: The clutch heat dissipation assembly (2) comprises a guide gear (27) fixedly connected to the outer surface of the top end of the clutch body (33) on the inner side, the outer surface of the guide gear (27) is meshingly connected with three heat dissipation drive gears (26), the three heat dissipation drive gears (26) are uniformly distributed on the outer surface of the guide gear (27), the top end of the heat dissipation drive gear (26) is rotatably connected to the bottom end of the washing inner drum (11), the bottom end of the heat dissipation drive gear (26) is fixedly connected with a supporting column (25), the bottom end of the supporting column (25) is fixedly connected with a vertical heat dissipation fan (24), the outer surfaces of the three heat dissipation drive gears (26) are commonly meshingly connected with a rotating internal gear (21), the bottom end of the rotating internal gear (21) is fixedly connected with a plurality of wind collecting fan blades (22), and the bottom ends of the plurality of wind collecting fan blades (22) are commonly fixedly connected with a fixing ring (23).

7. A hand rubbing clutch for a washing machine as claimed in claim 6 wherein: The bottom end of the fixing ring (23) is lower than the bottom end of the vertical heat dissipation fan (24).