Mini washing machine
By using a dynamic balancing device with eccentric and elastic components in the washing machine, the problem of complex dynamic balancing structures and large space occupation in the prior art has been solved, thus realizing the stability and miniaturization of the washing machine.
Patent Information
- Application Number
- CN202511619324.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-07
- Publication Date
- 2025-12-19
AI Technical Summary
The dynamic balancing structure of existing washing machines is relatively complex, occupies a large internal space, and is not conducive to reducing the size of the washing machine.
A dynamic balancing device employing an eccentric component and an elastic component is used. The eccentric component is located between the drive component and the drum component, while the elastic component is located between the drum component and the washing machine casing. Dynamic balancing is achieved through the deformation of the elastic component, reducing the number of parts and the space occupied.
It improves the operating stability of the drum, reduces vibration, simplifies the structure, reduces the size of the washing machine, makes it easier to carry, and enhances its functional versatility.
Smart Images

Figure CN121161565A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of washing machines, in particular to a mini washing machine. BACKGROUND
[0002] Patent CN2017214151985 discloses a dynamic balancing device, an inner drum assembly and a drum-type washing machine, from the background art of the patent, it can be known that the existing drum-type washing machine, and the vibration source mainly comes from the suspension system; The suspension system is the core component of the drum washing machine, which mainly includes an inner drum rotor, an outer drum component, a driving motor, a counterweight, a hanging spring and a damper. The inner drum rotor is a high-speed rotating structure, which is connected to the outer drum of the washing machine through bearings, and is driven to rotate by the motor through a transmission belt, thereby realizing functions such as washing and dewatering; When there is a clothes load imbalance in the inner drum of the inner drum rotor, the rotor will appear asymmetric rotation phenomenon, and cause the vibration of the suspension system and even the whole washing machine, which seriously affects the user experience and the service life of the washing machine; The current washing machine mainly sets a counterweight, a hanging spring and a damper on the outer drum to perform combined dynamic balance and vibration reduction. These vibration reduction designs often cause the suspension system to be abnormally heavy. From the above description, it can be known that the dynamic balance structure of the existing washing machine is relatively complex, occupies a large internal space of the washing machine, and is not conducive to reducing the size of the washing machine.
[0003] The present application is proposed to solve the problems of the prior art. SUMMARY
[0004] The technical problem of the prior art mentioned above is that the dynamic balance structure of the washing machine is relatively complex, occupies a large internal space of the washing machine, and is not conducive to reducing the size of the washing machine.
[0005] The technical solution adopted by the present application to solve the technical problem is: A mini washing machine, comprising a washing machine shell, a driving assembly and a drum assembly, the washing machine shell comprises a water tank and a shell, the water tank is arranged in the shell, and a mounting cavity is formed between the two; the driving assembly is arranged in the mounting cavity; and the drum assembly is arranged in the water tank. The drum assembly comprises a drum body and a dynamic balancing device, the dynamic balancing device comprises eccentric assemblies and elastic assemblies arranged at both ends of the drum body, the eccentric assemblies are arranged between the driving assembly and the drum body, and the eccentric assemblies can drive the drum body to perform eccentric motion; the elastic assemblies are arranged between the drum body and the water tank, and the elastic assemblies can elastically deform with the movement of the drum body.
[0006] The elastic assembly comprises a first soft rubber ring, the first soft rubber ring comprises a drum fixing part, a first deformation part and a first shell fixing part arranged in sequence, the drum fixing part is connected with the drum body, The first shell fixing part is connected with the water tank.
[0007] The first soft rubber ring has a disc structure, the drum fixing part is arranged on the inner side of the first deformation part, and the first shell fixing part is arranged on the outer side of the first deformation part.
[0008] The first deformation part has a circular arc cross-sectional shape.
[0009] The eccentric assembly comprises a second soft rubber ring arranged on the output end of the driving assembly, and a rotating shell arranged on the outer side of the second soft rubber ring, the rotating shell is fixedly connected with the drum body, and the second soft rubber ring is fixedly connected with the output end of the driving assembly.
[0010] The second soft rubber ring comprises a second deformation part, an output end connecting part arranged on the inner side of the second deformation part in a concentric manner, and a second shell fixing part arranged on the outer side of the second deformation part in a concentric manner, the output end connecting part is connected with the output end of the driving assembly, and the second shell fixing part is fixedly connected with the rotating shell.
[0011] The eccentric assembly further comprises a soft rubber fixing ring arranged in the rotating shell, the soft rubber fixing ring is used for fixing the second shell fixing part in the rotating shell, a connecting member is further arranged between the soft rubber fixing ring and the rotating shell, the soft rubber fixing ring and the rotating shell are detachably connected through the connecting member, and the second shell fixing part is further provided with an avoiding hole or an avoiding gap capable of avoiding the connecting member.
[0012] The drum body is provided with a rotating shaft member connected with the elastic assembly, the drum body is further provided with a rotating part connected with the eccentric assembly, the output end of the driving assembly extends into the water tank and is connected with the eccentric assembly, and the elastic assembly is connected with the side wall of the water tank.
[0013] The rotating shaft member comprises a rotating shaft arranged on the drum body, a bearing arranged on the outer side of the rotating shaft, and a shaft sleeve arranged on the outer side of the bearing, and the elastic assembly is fixedly connected with the shaft sleeve.
[0014] The rotating part is an assembly hole arranged on one end of the drum body, one end of the rotating shell is fixedly arranged on the rotating part, and the other end extends into the drum body.
[0015] The beneficial effects of the present application are: The mini washing machine of the present application, wherein the dynamic balancing device comprises an eccentric assembly and an elastic assembly, the eccentric assembly is arranged between the driving assembly and the drum assembly, and the elastic assembly is arranged between the drum assembly and the washing machine shell. When the swing amplitude of the drum body is too large, the elastic assembly can pull back the drum body through the rotating shaft member, thereby achieving the effect of adaptive dynamic balancing, greatly improving the running stability of the drum body, reducing the vibration of the washing machine during operation, and the dynamic balancing device of the present application has fewer parts, simple structure, and occupies less internal space of the washing machine, which is beneficial to miniaturization of the washing machine, and convenient for users to carry.
[0016] The present application will be further described below in conjunction with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 is a structural schematic diagram of the mini washing machine of the present application; Fig. 2 is a sectional view along line A-A of Fig. 1; Fig. 3 is an enlarged schematic diagram of part B marked in Fig. 2; Fig. 4 is an enlarged schematic diagram of part C marked in Fig. 2; Fig. 5 is a top view schematic diagram of the mini washing machine of the present application; Fig. 6 is a sectional view along line D-D of Fig. 5; Fig. 7 is a structural schematic diagram of the hidden shell of the mini washing machine of the present application; Fig. 8 is a structural schematic diagram of the drum assembly and the water tank of the present application after assembly; Fig. 9 is a structural schematic diagram of the drum assembly and the water tank of the present application after assembly; Fig. 10 is a structural schematic diagram of the drum assembly of the present application (part of the drum body is hidden); Fig. 11 is a disassembled schematic diagram of the drum assembly of the present application; Fig. 12 is a disassembled schematic diagram of the drum assembly of the present application (part of the drum body is hidden); Fig. 13 is a structural schematic diagram of the first soft rubber ring of the present application; Fig. 14 is a structural schematic diagram of the second soft rubber ring of the present application; Fig. 15 is a structural schematic diagram of the drying assembly of the present application; Fig. 16 is a sectional view along line E-E of Fig. 15; Fig. 17 is a structural schematic diagram of the counterweight of the present application. DETAILED DESCRIPTION
[0018] The embodiments of the present application will be described in detail below with reference to the drawings.
[0019] As shown in FIG. 1 to FIG. 17, the mini washing machine in the embodiment comprises a washing machine shell 5, a driving assembly 2 and a drum assembly, the washing machine shell 5 comprises a water tank 51 and a shell 52, the water tank 51 is arranged in the shell 52, and an assembly cavity 53 is formed between the water tank 51 and the shell 52, the driving assembly 2 is arranged in the assembly cavity 53, and the drum assembly is arranged in the water tank 51. The drum assembly comprises a drum body 1 and a dynamic balancing device, the dynamic balancing device comprises eccentric assemblies 3 and elastic assemblies 4 arranged at two ends of the drum body 1, the eccentric assemblies 3 are arranged between the driving assembly 2 and the drum body 1, and the eccentric assemblies 3 can drive the drum body 1 to perform eccentric motion. The elastic assemblies 4 are arranged between the drum body 1 and the water tank 51, and the elastic assemblies 4 can elastically deform with the movement of the drum body 1, so as to achieve the effect of dynamic balancing. Compared with the old dynamic balancing device using a hanging spring and a damper, the dynamic balancing device of the present application has the advantages that the dynamic balancing effect can be achieved by arranging only the elastic assemblies 4 and the eccentric assemblies 3, the number of parts is small, the structure is simple, and the internal space of the washing machine is small, which is beneficial to miniaturization of the washing machine and convenient for users to carry. The dynamic balancing device of the present application has the advantages that the dynamic balancing effect can be achieved by arranging only the elastic assemblies 4 and the eccentric assemblies 3, the number of parts is small, the structure is simple, and the internal space of the washing machine is small, which is beneficial to miniaturization of the washing machine and convenient for users to carry.
[0020] Preferably, as shown in FIG. 1 to FIG. 17, the mini washing machine in the embodiment further comprises a drying assembly 6, the drying assembly 6 is arranged in the assembly cavity 53, an air outlet hole 511 is arranged on the side wall of the water tank 51, and the output end of the drying assembly 6 is sealingly connected to the air outlet hole 511. By additionally arranging the drying assembly 6, the mini washing machine is provided with a drying function, and the diversity of the washing machine function is increased.
[0021] Preferably, the drying assembly 6 comprises a blowing fan 61, an air outlet channel 62 and a heating element 63, one end of the air outlet channel 62 is sealingly connected to the output end of the blowing fan 61, the other end of the air outlet channel 62 is sealingly connected to the air outlet hole 511, and the heating element 63 is arranged in the air outlet channel 62. The heating element 63 heats the airflow blown by the blowing fan 61 to form hot air, and the hot air is blown into the water tank 51 through the air outlet hole 511 to dry the clothes in the drum body 1. Preferably, the air outlet channel 62 comprises a first channel 621 and a second channel 622 connected in sequence, the air blower 61 is connected to the side wall of the first channel 621, the heating element 63 is arranged in the first channel 621, one end of the second channel 622 is connected to the bottom of the first channel 621, and the side wall of the second channel 622 is provided with an air outlet end corresponding to the air outlet hole 511. With such a design, the length of the air outlet channel 62 can be extended, so that the air outlet channel 62 has sufficient heat exchange range, the heating time of the airflow can be prolonged, and the temperature of the airflow can be raised to a sufficient degree to ensure that the clothes can be dried; Moreover, the first channel 621 and the second channel 622 are connected to form a curved air outlet channel 62. Since the airflow passes through the curve, the wind noise problem can be reduced, the blown airflow is more stable and quiet, and the quietness of the mini washing machine is improved.
[0022] Preferably, the driving assembly 2 is located in the corner position of the air outlet channel 62, which can make the structure of the washing machine more compact, so as to further reduce the volume of the washing machine.
[0023] Preferably, the highest water level in the water tank 51 is lower than the plane where the second channel 622 and the first channel 621 are connected, so as to ensure that when the washing machine is in the washing state, the water in the water tank 51 will not enter the first channel 621, and the water will not affect the air blower 61 and the heating element 63, so as to ensure the normal operation of the drying assembly 6 and avoid safety problems.
[0024] Preferably, the heating element 63 can adopt common heating parts such as heating wires or heating rods.
[0025] Preferably, the drum body 1 is provided with a rotating shaft member 11, the rotating shaft member 11 is connected with the elastic assembly 4, and the drum body 1 is also provided with a rotating part 12, and the rotating part 12 is connected with the eccentric assembly 3. Preferably, the output end of the driving assembly 2 extends into the water tank 51 and is connected with the eccentric assembly 3, and the elastic assembly 4 is connected with the side wall of the water tank 51. Specifically, when the user places the clothes into the drum body 1, the drum body 1 is in a loaded state, under the action of the gravity of the clothes, the elastic assembly 4 is in an elastic deformation state, the washing machine is started, the driving assembly 2 drives the drum body 1 to make eccentric motion under the action of the eccentric assembly 3, at the same time, the drum body 1 rotates under the condition of loaded eccentricity, the centrifugal force generated makes the elastic assembly 4 generate strain, under the joint action of the elastic assembly 4 and the eccentric assembly 3, the drum body 1 can make large amplitude swing, so that it can present a conical motion track. And when the drum body 1 swings, the elastic assembly 4 constantly deforms elastically, and when the swing amplitude of the drum body 1 is too large, the drum body 1 can be pulled back through the shaft member 11, thereby achieving the effect of self-adaptive dynamic balance, greatly improving the running stability of the drum body 1 and reducing the vibration of the washing machine during operation.
[0026] As shown in FIGS. 1-17, the eccentric assembly 3 and the elastic assembly 4 in the embodiment are arranged at two ends of the drum assembly. Specifically, the shaft member 11 is arranged at one end of the drum body 1, and the rotating part 12 is arranged at the other end of the drum body 1. Preferably, the washing machine is a drum washing machine, the drum body 1 is arranged horizontally in the water tank 51, the elastic assembly 4 is located between the side wall of the water tank 51 and the shaft member 11 and connected with both of them respectively. The eccentric assembly 3 is located between the drum body 1 and the driving assembly 2, and the eccentric assembly 3 is connected with the rotating part 12 and the driving assembly 2 respectively. When the washing machine works, the driving assembly 2 works, drives the drum body 1 to rotate circumferentially through the eccentric assembly 3 and the rotating part 12, at the same time, the drum body 1 rotates circumferentially on the elastic assembly 4 through the shaft member 11, which has the advantages of simple structure, low production cost, convenient operation, etc.
[0027] Preferably, the shaft member 11 comprises a shaft 111 arranged on the drum body 1, a bearing 112 sleeved outside the shaft 111, and a shaft sleeve 113 sleeved outside the bearing 112, and the elastic assembly 4 is fixedly connected with the shaft sleeve 113, which can ensure the normal rotation of the drum body 1 and also ensure that the elastic assembly 4 drives the drum body 1 to swing through the shaft sleeve 113.
[0028] As shown in FIGS. 1-17, the elastic assembly 4 in the embodiment comprises a first soft rubber ring 41, which comprises a drum fixing portion 411, a first deformation portion 412 and a first shell fixing portion 413 arranged in sequence, the drum fixing portion 411 is connected with the drum assembly, and the first shell fixing portion 413 is connected with the washing machine shell 5; specifically, the drum fixing portion 411 is fixedly connected with the shaft sleeve 113, and the first shell fixing portion 413 is fixedly connected with the water tank 51; during the operation of the washing machine, the first shell fixing portion 413 is fixed on the side wall of the water tank 51 and cannot move, and the drum body 1 rotates in the water tank 51 through the bearing 112, at the same time, the first deformation portion 412 is continuously elastically deformed by the shaft sleeve 113 driven by the drum body 1, so that the drum body 1 forms a swinging effect; by adopting the design of the first soft rubber ring 41, the washing machine can achieve dynamic balance effect by adopting an elastic component, which has simple structure, low production cost and low maintenance cost.
[0029] Preferably, the first soft rubber ring 41 in the embodiment has a disc structure, the drum fixing portion 411, the first deformation portion 412 and the first shell fixing portion 413 are concentrically arranged, the drum fixing portion 411 is arranged on the inner side of the first deformation portion 412, and the first shell fixing portion 413 is arranged on the outer side of the first deformation portion 412. By adopting such design, the first soft rubber ring 41 is assembled with the drum body 1 and the water tank 51 respectively, and the drum body 1 and the water tank 51 have a certain deformation space for the elastic deformation of the first deformation portion 412.
[0030] Preferably, the first soft rubber ring 41 has an integral molding structure, which has the advantages of high structural strength and long service life.
[0031] Specifically, the cross-sectional shape of the first deformation portion 412 in the embodiment is in arc shape, preferably in U shape, the U-shaped opening of the first deformation portion 412 faces the drum body 1, the outer leg of the first deformation portion 412 is connected with the first shell fixing portion 413, and the inner leg is connected with the drum fixing portion 411; by adopting such design, when the first deformation portion 412 deforms, part of the inner leg of the first deformation portion 412 moves towards the corresponding outer leg, and part of the inner leg moves away from the corresponding outer leg, the shaft sleeve 113 on the drum fixing portion 411 is moved by the inner leg of the first deformation portion 412, so as to realize the swinging effect of the drum body 1. By adopting the design that the cross-sectional shape of the first deformation portion 412 is in an arc shape, the deformation amount of the first deformation portion 412 can be ensured, the swing effect of the drum body 1 can be ensured, and the situation that the swing amplitude of the drum body 1 is too large, exceeds the deformation amount of the first deformation portion 412, and causes the first soft rubber ring 41 to be damaged can be avoided, and the service life of the first soft rubber ring 41 can be ensured.
[0032] Preferably, the elastic assembly 4 further comprises a soft rubber cover plate 42 and a shaft sleeve fixing plate 43, the soft rubber cover plate 42 is arranged on the outer side wall of the water tank 51; Preferably, the soft rubber cover plate 42 is in a ring shape, the outer side wall of the water tank 51 is provided with a mounting hole, The first soft rubber ring 41 is located at the mounting hole, and the first shell fixing portion 413 is sealingly connected between the soft rubber cover plate 42 and the outer side wall of the water tank 51, so that the water tank 51 will not leak water; Preferably, one side of the drum fixing portion 411 is a mounting groove, and the other side is formed into a mounting protrusion, one side of the shaft sleeve 113 is mounted into the mounting groove and abuts against the mounting groove; The shaft sleeve fixing plate 43 is mounted on the outer side wall of the mounting protrusion and abuts against the mounting protrusion, and a plurality of connecting members (such as screws) are further arranged on the shaft sleeve fixing plate 43, and the plurality of connecting members are fixedly connected with the drum fixing portion 411 and the shaft sleeve 113.
[0033] As shown in FIGS. 1-17, the washing machine in the embodiment further comprises a detection assembly 7 for detecting the swing amplitude of the drum body 1, the detection assembly 7 is electrically connected with the driving assembly 2, when the detection assembly 7 detects that the swing amplitude of the drum body 1 is too large, the detection assembly 7 sends a signal to the driving assembly 2 to reduce the rotation speed of the driving assembly 2 driving the drum body 1 or the driving assembly 2 is powered off and paused to work, so as to avoid the situation that the swing amplitude of the drum body 1 is too large and causes the washing machine to vibrate abnormally or to be turned over, and to improve the safety performance of the washing machine.
[0034] Preferably, the detection assembly 7 comprises a micro switch 71 and a trigger protrusion 72, the soft rubber cover plate 42 is provided with an assembly part for assembling the micro switch 71, the trigger protrusion 72 is arranged on one side of the shaft sleeve fixing plate 43, the first deformation part 412 is elastically deformed, and the shaft sleeve fixing plate 43 on the roller fixing part 411 also moves with the elastic deformation of the first deformation part 412; when the swing amplitude of the roller body 1 is too large, the side wall of the shaft sleeve fixing plate 43 drives the trigger protrusion 72 to touch the micro switch 71, so that the micro switch 71 sends a signal to the driving assembly 2. When the swing amplitude of the roller body 1 is within a suitable range, the side wall of the trigger protrusion 72 will not touch the micro switch 71.
[0035] As shown in FIGS. 1-17, the washing machine in the embodiment further comprises a counterweight 8 arranged in the assembly cavity 53 and located close to the elastic assembly 4. Since the range of the roller body 1 close to the elastic assembly 4 is a region with large swing amplitude, by arranging a counterweight 8 close to this region, the counterweight 8 can play a double damping role with the dynamic balancing device, helping the dynamic balancing device to balance and stabilize the washing machine, reducing the shaking and jolting of the washing machine during high-speed rotation, preventing the machine from moving or tilting, and thus maintaining the stability of the washing machine. Moreover, the existence of the counterweight and the dynamic balancing device can also absorb part of the vibration energy generated by the operation inside the washing machine, reducing the vibration and noise level transmitted to the outside of the washing machine.
[0036] Through the arrangement of the counterweight and the dynamic balancing device, the washing machine can operate more stably and will not cause the clothes in the washing drum to be disordered due to vibration, which helps to improve the cleaning effect of the washing machine, makes the clothes more evenly washed by water and detergent, and can reduce the friction and vibration of the parts of the washing machine, thereby reducing the wear and tear of the machine, which can prolong the service life of the washing machine and reduce the frequency of maintenance and replacement of parts.
[0037] Preferably, the counterweight 8 can be made of rubber or metal material. Rubber has high density and good elastic properties, which can provide weight and stability to a certain extent and has a certain damping effect. Rubber material can effectively absorb the vibration and noise generated inside the washing machine, reducing the influence transmitted to the outside of the washing machine. Metal material has high density and stability, which can provide good balance and stability, and can effectively absorb vibration and reduce noise. Iron and lead are commonly used metal materials, which have appropriate weight and strength and can play the role of counterweight in the washing machine.
[0038] Preferably, the bottom of the counterweight 8 abuts the inner wall of the shell 52, and the curvature of the two is similar or the same, the top of the counterweight 8 is provided with a groove for accommodating the water tank 51, the groove abuts the bottom of the water tank, and the curvature of the two is similar or the same, the length dimension of the counterweight 8 is greater than one half of the length dimension of the water tank 51, so as to ensure the stable effect of the counterweight 8.
[0039] As shown in FIGS. 1-17, the eccentric assembly 3 in the embodiment includes a second soft rubber ring 31 arranged on the output end of the driving assembly 2, and a rotating shell 32 sleeved outside the second soft rubber ring 31, the rotating shell 32 is fixedly connected with the drum assembly, and the second soft rubber ring 31 is fixedly connected with the output end of the driving assembly 2; specifically, the rotating shell 32 is fixedly connected with the rotating part 12, the rotating part 12 is a mounting hole arranged on one end of the drum body 1, one end of the rotating shell 32 is fixedly arranged on the rotating part 12, and the two are integrally formed, having the advantages of high structural strength and long service life; Preferably, the other end of the rotating shell 32 extends into the drum body 1, so that the structure of the washing machine is more compact, the volume of the washing machine can be effectively reduced, and when the washing machine is working, the rotating shell 32 can also play a stirring role, which can scatter clothes and avoid clothes entangling together. Preferably, the second soft rubber ring 31 is provided with a plurality of positioning clamping grooves 314, the output end of the driving assembly is provided with a plurality of positioning protrusions 231 corresponding to the positioning clamping grooves 314, the positioning protrusions 231 are clamped into the positioning clamping grooves 314, so as to realize that the second soft rubber ring 31 is fixedly arranged on the output end of the driving assembly 2; Specifically, when the output end of the driving assembly 2 rotates circumferentially, the second soft rubber ring 31 drives the rotating shell 32 to rotate circumferentially; Specifically, under the load in the drum body 1, the drum body 1 can press the second soft rubber ring 31 through the rotating shell 32, so that the second soft rubber ring 31 is elastically deformed, so that the position of the rotating shell 32 on the output end of the driving assembly changes, so that the position of the drum body 1 in the water tank 51 is offset, when the drum body 1 rotates circumferentially, the second soft rubber ring 31 is continuously elastically deformed under the weight of the clothes in the rotating shell 32 and the drum body 1, because the second soft rubber ring 31 is arranged on the output end, so that the second soft rubber ring 31 is elastically deformed, so that the drum body 1 has the effect of eccentricity, having the advantage of simple structure.
[0040] Preferably, the second soft rubber ring 31 in the embodiment comprises a second deformation part 311, an output end connecting part 312 concentrically arranged inside the second deformation part 311, and a second shell fixing part 313 concentrically arranged outside the second deformation part 311, the output end connecting part 312 is connected with the output end of the driving assembly 2, and the second shell fixing part 313 is fixedly connected with the rotating shell 32; Specifically, the output end connecting part 312 has a through hole, the output end connecting part 312 is arranged outside the output end of the driving assembly 2, the positioning clamping groove 314 is arranged on one side of the second deformation part 311 facing the driving assembly 2, a deformation groove 315 is formed on the other side of the second deformation part 311, the second shell fixing part 313 is fixedly connected with the front end of the rotating shell 32, and the deformation groove 315 is located close to the front end of the rotating shell 32; The front end of the rotating shell 32 can compress the second soft rubber ring 31 to make it elastically deform, so that part of the second shell fixing part 313 moves close to the output end connecting part 312, and the gap of part of the deformation groove 315 becomes smaller. During rotation, part of the second shell fixing part 313 continuously moves close to the output end connecting part 312, and the gap of part of the deformation groove 315 becomes smaller, while part of the second shell fixing part 313 continuously moves away from the output end connecting part 312, and the gap of part of the deformation groove 315 becomes larger, thereby achieving the effect of eccentricity. By adopting the design of the second soft rubber ring 31, the washing machine can achieve the effect of driving the drum body to rotate eccentrically by adopting an elastic component, and the structure is simple, the production cost is low, and the maintenance cost is low.
[0041] As shown in FIGS. 1-17, the eccentric assembly 3 in the embodiment further comprises a soft rubber fixing ring 33 arranged in the rotating shell 32 and capable of fixing the second shell fixing part 313 in the rotating shell 32, and a connecting member 35 is further arranged between the soft rubber fixing ring 33 and the rotating shell 32, and the two are detachably connected through the connecting member 35, and the second shell fixing part 313 is further provided with an avoiding hole or an avoiding gap capable of avoiding the connecting member 35; Preferably, the connecting member 35 comprises a connecting column arranged in the rotating shell 32 and a connecting screw, the soft rubber fixing ring 33 is assembled on the free end of the connecting column, then the connecting screw is screwed through the soft rubber fixing ring 33 and the connecting column, so that the soft rubber fixing ring 33 and the second soft rubber ring 31 are assembled in the rotating shell 32, which has the advantages of simple structure, convenient operation and easy maintenance of the second soft rubber ring 31.
[0042] Preferably, the driving assembly 2 comprises a motor support 21 and a driving motor 22, the driving motor 22 is provided with an output shaft 23, the outer wall of the water tank 51 is provided with an assembling hole, the motor support 21 is sealingly arranged at the assembling hole, the motor support 21 extends into the water tank 51, and part of the motor support 21 extends into the rotating shell 32, part of the driving motor 22 is arranged in the motor support 21, the output shaft 2320 penetrates through the motor support 21 and extends to the second soft rubber ring 31, and the outer wall of the output shaft 23 is fixedly provided with a motor coupling sleeve, and the positioning protrusion 231 is arranged on the motor coupling sleeve.
[0043] The above is only used to further illustrate the technical content of the present application by way of examples, so that the reader can more easily understand, but does not represent that the embodiments of the present application are limited to this, any technical extension or re-creation made according to the present application is protected by the present application.
[0044] The protection scope of the present application is subject to the claims.
Claims
1. A mini washing machine, characterized in that: The washing machine includes a washing machine housing (5), a drive assembly (2), and a drum assembly. The washing machine housing (5) includes a water tank (51) and an outer shell (52). The water tank (51) is located inside the outer shell (52), and an assembly cavity (53) is formed between the two. The drive assembly (2) is located inside the assembly cavity (53), and the drum assembly is located inside the water tank (51). The roller assembly includes a roller body (1) and a dynamic balancing device. The dynamic balancing device includes an eccentric component (3) and an elastic component (4) disposed at both ends of the roller body (1). The eccentric component (3) is disposed between the drive component (2) and the roller body (1). The eccentric component (3) enables the drive component (2) to drive the roller body (1) to make eccentric movements. The elastic component (4) is disposed between the roller body (1) and the water tank (51), and the elastic component (4) can elastically deform as the roller body (1) moves; The eccentric component (3) includes a second soft rubber ring (31) disposed on the output end of the drive component (2) and a rotating housing (32) sleeved on the outside of the second soft rubber ring (31). The rotating housing (32) is fixedly connected to the roller body (1), and the second soft rubber ring (31) is fixedly connected to the output end of the drive component (2). The second soft rubber ring (31) includes a second deformation part (311), an output end connection part (312) concentrically disposed inside the second deformation part (311), and a second housing fixing part (313) concentrically disposed outside the second deformation part (311). The output end connection part (312) is connected to the output end of the drive assembly (2), and the second housing fixing part (313) is fixedly connected to the rotating housing (32). The eccentric component (3) also includes a soft rubber retaining ring (33), which is located inside the rotating housing (32) and can be used to fix the second housing fixing part (313) inside the rotating housing (32). A connecting member (35) is also provided between the soft rubber retaining ring (33) and the rotating housing (32), and the two are detachably connected through the connecting member (35). The second housing fixing part (313) is also provided with a clearance hole or clearance gap that can avoid the connecting member (35). The elastic component (4) includes a first soft rubber ring (41), which includes a roller fixing part (411), a first deformation part (412) and a first housing fixing part (413) arranged in sequence. The roller fixing part (411) is connected to the roller body (1), and the first housing fixing part (413) is connected to the water tank (51). The roller body (1) is provided with a rotating shaft component (11) connected to the elastic component (4). The roller body (1) is also provided with a rotating part (12) connected to the eccentric component (3). The output end of the drive component (2) extends into the water tank (51) and is connected to the eccentric component (3). The elastic component (4) is connected to the side wall of the water tank (51).
2. A mini washing machine according to claim 1, characterized in that: The first soft rubber ring (41) has a disc-like structure. The roller fixing part (411) is located inside the first deformable part (412), and the first housing fixing part (413) is located outside the first deformable part (412).
3. A mini washing machine according to claim 2, characterized in that: The cross-sectional shape of the first deformed part (412) is arc-shaped.
4. A mini washing machine according to claim 1, characterized in that: The rotating shaft component (11) includes a rotating shaft (111) disposed on the roller body (1), a bearing (112) sleeved on the outside of the rotating shaft (111), and a bushing (113) sleeved on the outside of the bearing (112). The elastic component (4) is fixedly connected to the bushing (113).
5. A mini washing machine according to claim 4, characterized in that: The rotating part (12) is an assembly hole provided on one end of the drum body (1). One end of the rotating housing (32) is fixed on the rotating part (12), and the other end extends into the drum body (1).