CN210657619U

CN210657619U - Washing machine balancing device and washing machine

Info

Publication number: CN210657619U
Application number: CN201920541916.6U
Authority: CN
Inventors: 张江涛; 武凤玲; 劳春峰
Original assignee: Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Current assignee: Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Priority date: 2019-04-20
Filing date: 2019-04-20
Publication date: 2020-06-02
Anticipated expiration: 2029-04-20

Abstract

The utility model discloses a washing machine balancing unit and washing machine, including cylinder, balancing ring and balancing piece, the balancing ring is installed on the cylinder, the inboard arch of its base has conductive track, upper cover and base combination constitute the annular channel that can hold the balancing piece; the balance weight comprises a balance weight main body, a driving motor, a driving wheel and a moving wheel; the driving wheel and the moving wheel are both arranged on the outer side of the counterweight main body; the driving motor is arranged on the counterweight main body and used for driving the driving wheel to rotate; the bottom of the counterweight main body protrudes with a central conductive column which is in contact with the conductive track and used for supplying power to the counterweight. After the washing machine detects the eccentric position and the eccentric amount in the dewatering program, the eccentric amount is balanced in a resultant force mode through the operation of the balance block in the balance ring, so that the balance control of the washing machine is realized, the vibration of the drum is greatly reduced, and the technical problem that the vibration noise is generated due to uneven distribution in the dewatering stage of the existing washing machine is fundamentally solved.

Description

Washing machine balancing device and washing machine

Technical Field

The utility model belongs to the technical field of washing machine, specifically speaking relates to a washing machine balancing unit and washing machine.

Background

The vibration noise is one of important performance indexes of the washing machine and is a problem solved by various manufacturers in the household appliance industry in a competitive mode all the time, and through the iterative development of vibration reduction technology in recent years, the vibration reduction system of the washing machine is more and more mature, and the difficulty of vibration reduction and noise reduction is more and more high. The problem of vibration noise is not completely solved, and the research results of users show that the problem of vibration noise of the washing machine generally occurs in the dehydration stage, the vibration problems such as vibration, box collision, even displacement and the like are caused by large eccentricity generated by the load, and the vibration becomes larger to naturally cause larger noise.

From the root cause of the vibration generated by the washing machine, two aspects of research and investigation can be conducted to reduce the vibration noise: firstly, controlling a vibration source, namely preventing the formation of large eccentricity at the beginning of dehydration; and secondly, controlling vibration propagation, namely optimizing the existing vibration reduction system and reducing the transmission rate of vibration energy to be lower.

At present, the vibration control method on the washing machine generally adopts passive forms such as a damper, a liquid balance ring and the like, can weaken the vibration level of the washing machine to a certain extent, but cannot fundamentally solve the vibration problem, and the complaint of users about large vibration noise of the washing machine still exists.

Disclosure of Invention

The application provides a washing machine balancing unit and washing machine, fundamentally solves current washing machine because the uneven technical problem who produces vibration noise of distribution in the dehydration stage.

The balancing device of the washing machine comprises a balancing ring and a balancing block, wherein the balancing ring is arranged on a roller of the washing machine and comprises an upper cover and a base, a conductive track is protruded on the inner side of the base, and the upper cover and the base are combined to form an annular channel capable of accommodating the balancing block; the balance weight comprises a balance weight main body, a driving motor, a driving wheel and a moving wheel; the driving wheel and the moving wheel are both arranged on the outer side of the counterweight main body; the driving motor is arranged on the counterweight main body and is used for driving the driving wheel to rotate; the bottom of the counterweight main body protrudes with a central conductive column which is in contact with the conductive track and used for supplying power to the balance block.

Furthermore, an upper limiting column extends out of the upper end of the counterweight main body, and a lower limiting column extends out of the lower end of the counterweight main body; an upper limiting groove is formed in the inner side of the upper cover, and a lower limiting groove is formed in the inner side of the base; when the counterweight main body is arranged in the annular channel, the upper limiting column is arranged in the upper limiting groove, and the lower limiting column is arranged in the lower limiting groove, so that the balance block is limited in the annular channel.

Furthermore, the device also comprises a conducting strip which is arranged at the bottom of the counterweight main body and is of an arch structure, and the front part of the conducting strip downwards protrudes to be abutted against the conductive track.

Furthermore, a magnetic module is mounted on the counterweight main body and used for adsorbing the balance block in the conductive track.

Furthermore, the moving wheel comprises an upper moving wheel capable of rotating along the upper cover and a lower moving wheel capable of rotating along the base.

Furthermore, the lower limiting groove is formed in the conductive track.

Further, the central conductive pillar is disposed in the lower limiting groove.

Further, the device further comprises an auxiliary balancing weight which is arranged at the upper end of the balancing weight main body.

Furthermore, the upper limiting column comprises a front upper limiting column and a rear upper limiting column which are arranged in a staggered manner; the lower limiting column comprises a front lower limiting column and a rear lower limiting column which are arranged in a staggered mode.

A washing machine is provided, which comprises the washing machine balancing device.

Compared with the prior art, the application has the advantages and positive effects that: in the washing machine balancing device and the washing machine provided by the application, the base of the balancing ring is provided with the conductive track, the bottom of the balance weight main body of the balancing block extends out to form a central conductive column, the central conductive column is in contact with the conductive track, when the power supply device supplies power to the conductive track, the central conductive column is in contact with the conductive track, the power supply of the balancing block is realized, the balancing block can move in an annular channel formed by the balancing ring under the driving of the driving motor, after the eccentric position and the eccentric amount are determined during the dewatering of the washing machine, the driving motor is controlled to drive the balancing block to move, the eccentric amount is balanced based on a resultant force mode, the balance control of the washing machine is realized, the vibration of a roller is greatly reduced, and the technical problem that the existing washing machine generates vibration noise due.

Other features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is an architecture diagram of a balancing device of a washing machine according to the present application;

fig. 2 is an architecture diagram of a balancing device of a washing machine according to the present application;

FIG. 3 is a block diagram of the weight proposed in the present application;

FIG. 4 is a cross-sectional structural view of a weight proposed in the present application;

FIG. 5 is a cross-sectional structural view of a gimbal proposed in the present application;

FIG. 6 is a block diagram of the weight proposed in the present application;

fig. 7 is a top view structural diagram of the weight proposed in the present application.

Detailed Description

The following describes embodiments of the present application in further detail with reference to the accompanying drawings.

The application provides a balancing device of a washing machine, which is arranged on the washing machine and is used for balancing the eccentric amount in a resultant force mode through the operation of a balancing block in a balancing ring after the washing machine detects the eccentric position and the eccentric amount during a dewatering program, as shown in figures 1 and 2, the balancing device of the washing machine comprises the balancing ring 1 and the balancing block 2, the balancing ring 1 is arranged on a roller of the washing machine and comprises an upper cover 11 and a base 12, a conductive track 13 is protruded on the inner side of the base, and the upper cover 11 and the base 12 are combined to form an annular channel capable of accommodating the balancing block. A sensor 3 is mounted on the balance ring at a position of 180 degrees and used for detecting the position of the balance weight. The conductive track 13 is connected to a power supply module (not shown in the figure), and the power supply module is connected to the conductive track through direct contact or connection, or supplies power to the conductive track through a wireless power supply mode, which is not specifically shown in the present application.

As shown in fig. 3 and 4, the counterweight 2 includes a counterweight main body 21, a drive motor 22, a drive wheel 23, and a moving wheel 24; the driving wheel 23 and the moving wheel 24 are both mounted on the outer side of the counterweight main body 21; the driving motor 22 is arranged on the counterweight main body 21 and is used for driving the driving wheel 23 to rotate; the bottom of the counterweight main body 21 protrudes with a central conductive column 25, and the central conductive column 25 is in contact with the conductive track 13 and is used for supplying power to the counterweight 2.

As shown in fig. 3, an upper limit post 26 extends from the upper end of the weight main body 21, and a lower limit post 27 extends from the lower end of the weight main body 21; as shown in fig. 5, an upper limit groove 14 is arranged inside the upper cover 11, and a lower limit groove 15 is arranged inside the base 12; when the balance weight 2 is arranged in the annular channel, the upper limiting column 26 is arranged in the upper limiting groove 14, and the lower limiting column 27 is arranged in the lower limiting groove 15, so that the balance weight 2 is limited in the annular channel. The lower limiting groove 15 can be opened in the conductive track 13 or reused with the conductive track 13, at this time, the lower limiting column 27 is disposed in the conductive track 13/the lower limiting groove 15 and made of a non-conductive material, and the central conductive column 25 is disposed in the conductive track 13/the lower limiting groove 15 and made of a conductive material.

The balancing device of the washing machine further comprises a conductive sheet 28 in an arch structure, as shown in fig. 4 and 6, the front portion of the conductive sheet 28 protrudes downwards to abut against the conductive tracks 13 on the base 11, and the conductive sheet is divided into a left conductive sheet and a right conductive sheet in the figure, which abut against the left conductive track 13 and the right conductive track 13 respectively and are not in contact with each other.

In the embodiment of the present application, as shown in fig. 7, a magnetic module 29 is installed on the counterweight main body 21, and is used for adsorbing the counterweight 2 on the conductive track 13; the moving wheels 24 include an upper moving wheel rotatable along the upper cover and a lower moving wheel rotatable along the base.

In order to realize active balance through balance block movement, it is necessary to ensure the total mass of the balance block, in the embodiment of the present application, as shown in fig. 7, an auxiliary balance block 211 is installed on the upper portion of the counterweight main body 21, the counterweight main body 21 mainly realizes power-on, driving and running components, and the auxiliary balance block 211 realizes mass distribution and limiting movement.

In the embodiment of the present application, as shown in fig. 4, the center conductive pillar 25 is assembled by pressing down the spring 251, and in this way, the center conductive pillar can be pressed down to be in close contact with the conductive track 13/the lower limiting groove 15.

As shown in fig. 4 and 7, the driving motor 22 is connected to a driving device, the driving device drives the driving wheel 23 to rotate, the driving device includes a first transmission gear 221 and a second transmission gear 222, and the driving direction is changed by the engagement of the two transmission gears perpendicular to each other, so as to drive the driving wheel to rotate. In the embodiment of the present application, it is intended to provide a driving structure, so that the balance weight 2 can operate in the annular channel according to the control, and the driving manner of the balance weight 2 is not particularly limited.

As shown in fig. 6, in the embodiment of the present application, the upper limiting column includes a front upper limiting column 261 and a rear upper limiting column 262, which are arranged in a staggered manner and respectively arranged in two upper limiting grooves arranged in the upper cover; the lower limiting column comprises a front lower limiting column 271 and a rear lower limiting column 272 which are arranged in a staggered manner and are respectively arranged in two lower limiting grooves arranged in the base, wherein one lower limiting column can be reused with the central conductive column, and the corresponding lower limiting groove is arranged in the conductive track or is reused with the conductive track.

Based on the washing machine balancing device, the application also provides the washing machine, the washing machine balancing device is installed on the drum of the washing machine, after the washing machine detects the eccentric position and the eccentric amount during the dehydration program, the balancing device balances the eccentric amount in a resultant force mode through the operation of the balancing block in the balancing ring, the balance control of the washing machine is realized, the vibration of the drum is greatly reduced, and the technical problem that the vibration noise is generated due to uneven distribution in the dehydration stage of the existing washing machine is fundamentally solved.

It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the present invention.

Claims

1. A balancing device of a washing machine comprises a balancing ring and a balancing block, wherein the balancing ring is arranged on a roller of the washing machine and comprises an upper cover and a base, a conductive track is protruded on the inner side of the base, and the upper cover and the base are combined to form an annular channel capable of accommodating the balancing block; it is characterized in that the preparation method is characterized in that,

the balance weight comprises a balance weight main body, a driving motor, a driving wheel and a moving wheel; the driving wheel and the moving wheel are both arranged on the outer side of the counterweight main body; the driving motor is arranged on the counterweight main body and is used for driving the driving wheel to rotate; the bottom of the counterweight main body protrudes with a central conductive column which is in contact with the conductive track and used for supplying power to the balance block.

2. A balancing device for washing machines according to claim 1, wherein the upper end of the counterweight body is extended with an upper limit post, and the lower end of the counterweight body is extended with a lower limit post; an upper limiting groove is formed in the inner side of the upper cover, and a lower limiting groove is formed in the inner side of the base; when the counterweight main body is arranged in the annular channel, the upper limiting column is arranged in the upper limiting groove, and the lower limiting column is arranged in the lower limiting groove, so that the balance block is limited in the annular channel.

3. A balancing device for washing machine as claimed in claim 1, further comprising an arc-shaped conductive plate provided at the bottom of the counterweight body, the front part of which protrudes downwards to abut against the conductive track.

4. A washing machine balancing device according to claim 1, wherein a magnetic module is mounted on the counterweight body for attracting the counterweight in the conductive track.

5. The washing machine balancing device of claim 1, wherein the moving wheels comprise an upper moving wheel rotatable along the upper cover, and a lower moving wheel rotatable along the base.

6. A washing machine balancing device according to claim 2, wherein the lower retaining groove opens onto the conductive track.

7. A washing machine balancing device according to claim 6, wherein the central conductive post is disposed in the lower retaining groove.

8. A balancing device for washing machines according to claim 1, characterized in that it further comprises an auxiliary weight block mounted on the upper end of the weight body.

9. A balancing device for washing machines according to claim 2, wherein the upper restraining posts comprise a front upper restraining post and a rear upper restraining post, which are staggered; the lower limiting column comprises a front lower limiting column and a rear lower limiting column which are arranged in a staggered mode.

10. Washing machine characterized in that it comprises a washing machine balancing device according to any one of claims 1 to 9.