A washing machine with contactless power transmission structure

By adopting a contactless power transmission structure in the washing machine, the adsorption effect of permanent magnets can be used to achieve synchronous rotation of the inner cylinder, the problem of transmission penetration in existing washing machines is solved, the sealing and safety are improved, and the cost saving and convenient maintenance are achieved.

CN119753995APending Publication Date: 2025-04-04JIANGSU YOUWU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510175749.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

In existing washing machines, the motor rotational power transmission has penetration damage, resulting in increased water leakage risk and cost in waterproofing and sealing scenarios.

Method used

The contactless power transmission structure is adopted to achieve synchronous rotation of the inner cylinder of the washing machine through the adsorption of the upper and lower permanent magnets, and the contactless power transmission is carried out using the principle of magnetic force, and the sealing is improved by isolating and fixing components.

Benefits of technology

It realizes contactless power transmission of the inner cylinder of the washing machine, ensures the integrity of different spaces, avoids structural hidden dangers such as water leakage and electricity leakage, facilitates cleaning and movement, and saves costs.

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Abstract

The invention discloses a washing machine with a contactless power transmission structure, and relates to the technical field of washing machines. The invention comprises a washing machine body and a washing machine inner drum, and the washing machine inner drum is rotatably arranged in the inner cavity of the washing machine body. In the invention, through the transmission mechanism, the adsorption effect of a lower permanent magnet and an upper permanent magnet causes the washing machine inner drum to rotate synchronously, thereby conveniently realizing the contactless power transmission of the washing machine inner drum, ensuring the integrity of different spaces, ensuring that independent spaces do not produce structural hidden dangers such as water leakage and electric leakage, making it more convenient to clean and move each space, and saving costs. Through the isolation and fixing components, the inner cavity of the washing machine inner drum can be separated, and at the same time, the upper fixing plate and the upper permanent magnet can be assembled on the bottom wall of the washing machine inner drum, and adsorbed and connected with the lower permanent magnet, thereby conveniently realizing the rapid assembly of the upper permanent magnet, and the upper permanent magnet can be separated from the lower permanent magnet by reverse operation, which is convenient for maintenance.
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Description

Technical Field

[0001] The invention relates to the technical field of washing machines, in particular to a washing machine with a contactless power transmission structure. Background Art

[0002] The washing machine drives the inner tank or impeller to rotate through the motor, which causes the water and clothes to rub and knead, thereby achieving the purpose of cleaning. The motor drives the inner tank to rotate through the belt speed change, or the impeller at the bottom of the drum rotates forward and reverse, driving the clothes to rub gently in the water, and cooperates with detergent to achieve decontamination and cleaning; However, there are still some defects in the washing machine in the prior art: At present, the transmission of motor rotation power in the field of washing machines is realized by transmission shafts, and the torsional force of the motor is transmitted to the impeller and stirring paddle through coaxial bearings. In this way, penetrating damage must be done in different spaces, which will form the risk and probability of water leakage in waterproofing and sealing scenarios, and at the same time lead to increased costs; In view of the above problems, the inventor proposes a washing machine with a contactless power transmission structure to solve the above problems. Summary of the invention

[0003] In order to solve the above problems, the object of the present invention is to provide a washing machine with a contactless power transmission structure.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solution: a washing machine with a contactless power transmission structure, comprising a washing machine body and a washing machine inner drum, the washing machine inner drum is rotatably arranged in the inner cavity of the washing machine body, a transmission mechanism is arranged in the inner cavity of the washing machine body and the washing machine inner drum, and an isolation and fixing component is arranged in the inner cavity of the washing machine inner drum.

[0005] Preferably, the transmission mechanism comprises an upper fixed plate and a lower fixed plate, the lower surface of the upper fixed plate is in movable contact with the bottom wall of the inner drum of the washing machine, the upper surface of the lower fixed plate is in movable contact with the bottom outer wall of the inner drum of the washing machine, the upper surface of the upper fixed plate is fixedly provided with a plurality of upper permanent magnets distributed in a ring array, and the lower surface of the lower fixed plate is fixedly provided with a plurality of lower permanent magnets distributed in a ring array.

[0006] Preferably, the upper fixing plate and the lower fixing plate are made of plastic material.

[0007] Preferably, the N pole of the upper permanent magnet attracts the S pole of the lower permanent magnet.

[0008] Preferably, the transmission mechanism also includes a motor, which is mounted on the bottom wall of the inner cavity of the washing machine body. A rotating rod is fixedly provided at the driving output end of the motor, and a rotating shaft is rotatably installed on the bottom wall of the inner cavity of the washing machine body. One end of the rotating shaft is fixedly connected to the lower surface of the lower fixed plate, and one end of the rotating rod and the other end of the rotating shaft are both fixedly provided with bevel gears, and the two bevel gears are meshingly connected.

[0009] Preferably, the isolation and fixing assembly includes an isolation plate, which is detachably mounted on the bottom wall of the washing machine inner drum, and the upper fixing plate is detachably mounted on the lower surface of the isolation plate, and a plurality of ear seats distributed in a ring array are fixedly provided on the upper surface of the isolation plate, and a plurality of the ear seats are provided with mounting holes, and a plurality of the mounting holes are provided with screws threadedly mounted inside thereof, and a plurality of threaded holes distributed in a ring array are provided on the inner wall of the washing machine inner drum, and one end of the screw is threadedly connected to the inner wall of the threaded hole.

[0010] Preferably, a sealing ring is fixedly provided on the outer ring of the isolation disk, and the outer wall of the sealing ring is in movable contact with the inner wall of the inner drum of the washing machine.

[0011] Preferably, a rubber plug seat is movably inserted into one end of each of the mounting holes.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, through the transmission mechanism, the adsorption of the lower permanent magnet and the upper permanent magnet causes the inner drum of the washing machine to rotate synchronously, thereby conveniently realizing the contactless power transmission of the inner drum of the washing machine, ensuring the integrity of different spaces, ensuring that the independent spaces do not have structural hidden dangers such as water leakage and electric leakage, making it more convenient to clean and move each space, and saving costs; 2. In the present invention, the inner cavity of the washing machine inner drum can be separated by the isolating and fixing assembly, and the upper fixing plate and the upper permanent magnet can be assembled on the bottom wall of the washing machine inner drum and adsorbed and connected with the lower permanent magnet, thereby facilitating the rapid assembly of the upper permanent magnet. The upper permanent magnet and the lower permanent magnet can be separated by reverse operation, which is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The present invention is a schematic diagram of the overall structure of a washing machine with a contactless power transmission structure.

[0015] Figure 2 It is a schematic diagram of the connection structure between the isolation fixing assembly and the inner drum of the washing machine according to the present invention.

[0016] Figure 3 It is a schematic diagram of the cutaway structure of the inner drum of the washing machine of the present invention.

[0017] Figure 4 It is a schematic diagram of the exploded structure of the transmission mechanism and the isolation and fixing assembly of the present invention.

[0018] Figure 5 It is another exploded structural schematic diagram of the transmission mechanism and the isolation fixing assembly of the present invention.

[0019] Figure 6 It is a schematic diagram of the separation structure of the rubber plug seat and the screw and the mounting hole of the present invention.

[0020] In the figure: 1. washing machine body; 2. washing machine inner drum; 3. transmission mechanism; 31. upper fixed plate; 32. lower fixed plate; 33. upper permanent magnet; 34. lower permanent magnet; 35. motor; 36. rotating rod; 37. rotating shaft; 38. bevel gear; 4. isolation fixing assembly; 41. isolation plate; 42. sealing ring; 43. ear seat; 44. mounting hole; 45. screw; 46. threaded hole; 47. rubber plug seat. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example: Figure 1-6 As shown, the present invention provides a washing machine with a contactless power transmission structure, including a washing machine body 1 and a washing machine inner drum 2. The washing machine inner drum 2 is rotatably arranged in the inner cavity of the washing machine body 1. A transmission mechanism 3 is arranged in the inner cavity of the washing machine body 1 and the washing machine inner drum 2. By setting the transmission mechanism 3, the transmission mechanism 3 adopts the magnetic principle to realize contactless power transmission, thereby ensuring the integrity of different spaces and ensuring that independent spaces do not produce structural hidden dangers such as water leakage and electric leakage, making it more convenient to clean and move each space and saving costs. An isolation fixing component 4 is arranged in the inner cavity of the washing machine inner drum 2. By setting the isolation fixing component 4, the isolation fixing component 4 can facilitate the operator to quickly assemble the transmission mechanism 3.

[0023] The transmission mechanism 3 includes an upper fixed plate 31, a lower fixed plate 32 and a motor 35. The upper fixed plate 31 and the lower fixed plate 32 are made of plastic material. The lower surface of the upper fixed plate 31 is in active contact with the bottom wall of the washing machine inner drum 2, and the upper surface of the lower fixed plate 32 is in active contact with the bottom outer wall of the washing machine inner drum 2. The upper surface of the upper fixed plate 31 is fixedly provided with a plurality of upper permanent magnets 33 distributed in a ring array, and the lower surface of the lower fixed plate 32 is fixedly provided with a plurality of lower permanent magnets 34 distributed in a ring array. The N pole of the upper permanent magnet 33 is attracted to the S pole of the lower permanent magnet 34. By arranging the upper permanent magnet 33 on the upper fixed plate 31 and arranging the lower permanent magnet 34 on the lower fixed plate 32, when the lower permanent magnet 34 is adsorbed under the upper permanent magnet 33, the bottom of the washing machine inner drum 2 can be clamped by the action of the upper fixed plate 31 and the lower fixed plate 32, and when the lower fixed plate 32 rotates, the washing machine inner drum 2 can be rotated synchronously.

[0024] The motor 35 is assembled on the bottom wall of the inner cavity of the washing machine body 1, and a rotating rod 36 is fixedly provided at the driving output end of the motor 35. A rotating shaft 37 is rotatably installed on the bottom wall of the inner cavity of the washing machine body 1. One end of the rotating shaft 37 is fixedly connected to the lower surface of the lower fixed plate 32, and one end of the rotating rod 36 and the other end of the rotating shaft 37 are fixedly provided with a bevel gear 38, and the two bevel gears 38 are meshed and connected. By turning on the motor 35, the driving shaft of the motor 35 can rotate the rotating rod 36, and the rotating rod 36 can rotate the rotating shaft 37 through the two bevel gears 38, and the rotating shaft 37 can rotate the lower fixed plate 32.

[0025] The isolation fixing assembly 4 includes an isolation plate 41, which is detachably mounted on the bottom wall of the washing machine inner drum 2, and the upper fixing plate 31 is detachably mounted on the lower surface of the isolation plate 41. A sealing ring 42 is fixedly arranged on the outer ring of the isolation plate 41, and the outer wall of the sealing ring 42 is in active contact with the inner wall of the washing machine inner drum 2. By arranging the sealing ring 42, the sealing performance between the isolation plate 41 and the inner cavity of the washing machine inner drum 2 can be improved to prevent the washing water from leaking downward. By arranging the isolation plate 41, the isolation plate 41 can isolate the upper fixing plate 31. The upper part of the isolation plate 41 is the washing space. A plurality of ear seats 43 distributed in a ring array are fixedly arranged on the upper surface of the isolation plate 41. The plurality of ear seats 43 are arranged in a ring array. 3 are provided with mounting holes 44, and screws 45 are threadedly installed inside several mounting holes 44. The inner wall of the washing machine inner drum 2 is provided with several threaded holes 46 distributed in an annular array, and one end of the screw 45 is threadedly connected to the inner wall of the threaded hole 46. By providing the mounting holes 44, the screws 45 and the threaded holes 46, when the screws 45 are threaded into the mounting holes 44 and the threaded holes 46, the isolation plate 41 can be fixed to the bottom wall of the washing machine inner drum 2 through the ear seat 43. One end of several mounting holes 44 is movably inserted with a rubber plug seat 47. By providing the rubber plug seat 47, the rubber plug seat 47 can seal the end of the mounting hole 44 and protect the screw 45 at the same time.

[0026] Working principle: When in use, the operator first places the isolation plate 41 on the bottom wall of the washing machine inner drum 2. At this time, the lower surface of the upper fixed plate 31 contacts the bottom wall of the washing machine inner drum 2, and the upper permanent magnet 33 and the lower permanent magnet 34 attract each other. Then, a plurality of screws 45 are threadedly rotated into the corresponding mounting holes 44 and threaded holes 46, and then the rubber plug seat 47 is inserted into the end of the mounting hole 44. At this time, the upper fixed plate 31 and the upper permanent magnet 33 are fixed to the bottom wall of the washing machine inner drum 2, thereby facilitating the rapid assembly of the upper permanent magnet 33. The reverse operation can realize the separation of the upper permanent magnet 33 and the lower permanent magnet 34, which is convenient for maintenance. The operator turns on the motor 35, and the driving shaft of the motor 35 rotates the rotating rod 36. The rotating rod 36 rotates the rotating shaft 37 through two bevel gears 38, and the rotating shaft 37 rotates the lower fixed plate 32. The rotation of the lower fixed plate 32 causes the washing machine inner drum 2 to rotate synchronously through the adsorption effect of the lower permanent magnet 34 and the upper permanent magnet 33, thereby conveniently realizing the contactless power transmission of the washing machine inner drum 2, ensuring the integrity of different spaces, ensuring that independent spaces do not have structural risks such as water leakage and electric leakage, and making it more convenient to clean and move each space, saving costs.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A washing machine with a contactless power transmission structure, comprising a washing machine body (1) and a washing machine inner drum (2), characterized in that: The washing machine inner drum (2) is rotatably arranged in the inner cavity of the washing machine body (1), a transmission mechanism (3) is provided in the inner cavity of the washing machine body (1) and the inner drum (2), and an isolation fixing component (4) is provided in the inner cavity of the washing machine inner drum (2).

2. A washing machine with a contactless power transmission structure as claimed in claim 1, characterized in that: The transmission mechanism (3) comprises an upper fixed plate (31) and a lower fixed plate (32); the lower surface of the upper fixed plate (31) is in active contact with the bottom wall of the inner drum (2) of the washing machine; the upper surface of the lower fixed plate (32) is in active contact with the bottom outer wall of the inner drum (2) of the washing machine; a plurality of upper permanent magnets (33) distributed in an annular array are fixedly disposed on the upper surface of the upper fixed plate (31); and a plurality of lower permanent magnets (34) distributed in an annular array are fixedly disposed on the lower surface of the lower fixed plate (32).

3. A washing machine with a contactless power transmission structure as claimed in claim 2, characterized in that: The upper fixing plate (31) and the lower fixing plate (32) are made of plastic material.

4. A washing machine with a contactless power transmission structure as claimed in claim 2, characterized in that: The N pole of the upper permanent magnet (33) attracts the S pole of the lower permanent magnet (34).

5. A washing machine with a contactless power transmission structure as claimed in claim 2, characterized in that: The transmission mechanism (3) further comprises a motor (35), the motor (35) being mounted on the bottom wall of the inner cavity of the washing machine body (1), a rotating rod (36) being fixedly arranged at the driving output end of the motor (35), a rotating shaft (37) being rotatably mounted on the bottom wall of the inner cavity of the washing machine body (1), one end of the rotating shaft (37) being fixedly connected to the lower surface of the lower fixed plate (32), one end of the rotating rod (36) and the other end of the rotating shaft (37) being fixedly arranged with a bevel gear (38), and the two bevel gears (38) being meshingly connected.

6. A washing machine with a contactless power transmission structure as claimed in claim 2, characterized in that: The isolation fixing assembly (4) comprises an isolation plate (41), the isolation plate (41) being detachably mounted on the bottom wall of the washing machine inner drum (2), the upper fixing plate (31) being detachably mounted on the lower surface of the isolation plate (41), a plurality of ear seats (43) distributed in an annular array being fixedly arranged on the upper surface of the isolation plate (41), a plurality of the ear seats (43) being provided with mounting holes (44), a plurality of the mounting holes (44) being provided with screws (45) being threadedly mounted inside the plurality of the mounting holes (44), a plurality of threaded holes (46) being provided on the inner wall of the washing machine inner drum (2), one end of the screw (45) being threadedly connected to the inner wall of the threaded hole (46).

7. A washing machine with a contactless power transmission structure as claimed in claim 6, characterized in that: A sealing ring (42) is fixedly provided on the outer ring of the isolation disk (41), and the outer wall of the sealing ring (42) is in movable contact with the inner wall of the inner drum (2) of the washing machine.

8. A washing machine with a contactless power transmission structure as claimed in claim 6, characterized in that: A rubber plug seat (47) is movably inserted into one end of a plurality of the mounting holes (44).