CN218666797U

CN218666797U - Sealing structure and washing machine applying same

Info

Publication number: CN218666797U
Application number: CN202223307034.4U
Authority: CN
Inventors: 梁宇轩; 李帅; 胡蓉; 柏长升
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-21
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a sealing structure and a washing machine using the same, wherein the sealing structure comprises a water retaining component, a sealing component, an elastic component and a drainage component, the sealing component is fixed at the bottom of an inner barrel, the drainage component is arranged on an outer barrel, one end of the water retaining component is communicated with the drainage component, the other end is sleeved at the lower end of the sealing component, and the elastic component is arranged around the periphery of the sealing component; in the drainage stage, the elastic component wraps the sealing component to enable the sealing component to be tightly matched with the water retaining component, and water drained from the inner cylinder is directly drained through the drainage component; in the dehydration stage, the inner barrel rotates to generate centrifugal force, so that the elastic assembly extends outwards, the elastic assembly is not hooped tightly after being stressed, the sealing assembly and the water retaining assembly are in a clearance fit state, the inner barrel can normally rotate at the moment, unnecessary friction force does not need to be overcome, the problems that the power of a motor of the washing machine is increased in the dehydration stage and the power consumption is increased due to the existing sealing structure are avoided, and the energy conservation, emission reduction and environmental protection are facilitated.

Description

Sealing structure and washing machine applying same

Technical Field

The utility model belongs to the technical field of washing machine, a seal structure and use its washing machine is related to.

Background

A washing machine generally includes an inner tub and an outer tub which are communicated with each other, and when the washing machine is operated, the inner tub contains laundry, and washing water may exist between the inner tub and the outer tub. Along with the increase of the working time of the washing machine, dirt in the washing water is retained between the inner barrel and the outer barrel and is difficult to clean, and bacteria and peculiar smell are generated after the washing machine is used for a long time.

In order to solve the problems, the structure of the washing machine is adjusted, and the washing machine without water is designed between the drums, namely, no washing water exists between the inner drum and the outer drum; one of the difficulties of the waterless washing machine between the drums is the sealing design, how to better realize the sealing, so that the washing water in the inner drum can not flow between the inner drum and the outer drum; the utility model discloses a seal structure in patent No. CN 209703120U's utility model patent includes first cavity and second cavity, but first cavity and second cavity relative rotation ground sealing connection, wherein in the inside of second cavity, the cover is equipped with the sealing ring on the periphery wall of first cavity, the sealing ring is the skeleton oil blanket, and fixed mounting is on the inner wall that the second cavity is close to first cavity one end, the inner circle of sealing ring and the periphery wall sliding contact of first cavity, that is to say, rotary seal is carried out through the sealing ring of skeleton oil blanket, specifically do: in the dewatering stage of the washing machine, the inner barrel is rotated for dewatering, and the first cavity is fixedly arranged at the bottom of the inner barrel and also rotates together; the second cavity does not rotate and is in sliding contact with the first cavity. In the process, the driving rotating motor can rotate only by overcoming the sliding friction force of the contact surface of the first cavity and the second cavity; therefore, the power required to use the motor increases, and the power consumption increases.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a seal structure and use its washing machine has solved current seal structure and has made washing machine in dehydration stage motor power grow, the power consumption quantitative change problem that increases.

In order to solve the above problem, according to an aspect of the present application, an embodiment of the present invention provides a sealing structure, where the sealing structure is used for sealing an inner barrel and an outer barrel of a washing machine, the inner barrel is rotatably sleeved in the outer barrel, the sealing structure includes a water blocking component, a sealing component, an elastic component and a drainage component, the sealing component is fixed at the bottom of the inner barrel, the drainage component is arranged on the outer barrel, one end of the water blocking component is communicated with the drainage component, the other end of the water blocking component is sleeved at the lower end of the sealing component, and the elastic component is arranged around the periphery of the sealing component; and the elastic component can adjust the fit tightness of the sealing component and the water retaining component.

In some embodiments, the seal arrangement further comprises a flange secured to the bottom of the inner barrel, the seal assembly being mounted to the bottom of the flange.

In some embodiments, the seal assembly includes a first seal, a top portion of the first seal being disposed against the flange, and a bottom portion of the first seal extending into the water dam assembly.

In some embodiments, the sealing assembly further comprises a sealing ring, the sealing ring comprises a first sealing section with an inner diameter d1 and a second sealing section with an inner diameter d2, the first sealing section is sleeved on the outer surface of the first sealing element, the second sealing section is sleeved on the top of the water retaining assembly, and the top of the water retaining assembly abuts against a step formed by the first sealing section and the second sealing section; wherein d1 is less than d2.

In some embodiments, the seal assembly further comprises a second seal positioned between the flange and the first seal; and the first seal segment is capable of wrapping around the second seal.

In some embodiments, the water blocking assembly comprises a water blocking cover, the top of the water blocking cover extends upwards to form a barrel-shaped upper edge structure, the top of the upper edge structure abuts against a step formed by the first sealing section and the second sealing section, and the outer surface of the upper edge structure is wrapped in the second sealing section.

In some embodiments, the resilient assembly includes a first spring disposed about the outer surface of the sealing ring and a rocker member coupled to the outer surface of the first spring; the goods of furniture for display rather than for use can be through the tight degree of cooperation between the periphery of first sealing member of first spring adjustment and first seal section and the structure of going up and the second seal section under the effect of centrifugal force.

In some embodiments, the rocker members are provided in a plurality which are distributed along the axial direction of the first spring on the outer circumferential surface thereof in at least two rings of rocker structures.

In some embodiments, each ring of pendulum structures comprises a plurality of pendulum elements, and the plurality of pendulum elements are evenly distributed along the circumferential direction; and each rocker is fixed on the first spring through the second spring.

According to another aspect of the present application, an embodiment of the present invention provides a washing machine including the above-described sealing structure.

Compared with the prior art, the utility model discloses a seal structure has following beneficial effect at least:

the utility model provides a seal structure is used for sealing washing machine's inner tube and outer bucket, and the inner tube is established in outer bucket rotatably, and seal structure includes manger plate subassembly, seal assembly, elastic component and drainage component, and seal assembly fixes in the inner tube bottom, and drainage component sets up on outer bucket, and one end of manger plate subassembly communicates with drainage component, and another pot head of manger plate subassembly is established at the lower extreme of seal assembly, and elastic component sets up around the periphery of seal assembly; the elastic component can adjust the fit tightness of the sealing component and the water retaining component;

by adopting the structure, in the drainage stage of the washing machine, the elastic component wraps the sealing component, so that the sealing component is tightly matched with the water retaining component, and water drained from the inner cylinder is directly drained through the drainage component and cannot enter a gap between the inner cylinder and the outer cylinder; and in the dehydration stage, the inner barrel rotates to generate centrifugal force, the elastic component is extended outwards by the centrifugal force, after the elastic component is stressed, the diameter of the elastic component is increased, the sealing component is not tightened, the sealing component and the water retaining component are in a clearance fit state, the inner barrel can normally rotate at the moment, unnecessary friction force does not need to be overcome, the problems that the power of a motor of the washing machine is increased in the dehydration stage by the aid of an existing sealing structure, the power consumption is increased, and energy conservation, emission reduction and environmental protection are facilitated.

The utility model provides a washing machine designs based on above-mentioned seal structure, and its beneficial effect sees above-mentioned seal structure's beneficial effect, and it is here not redundant and give unnecessary a repeated description.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a cross-sectional view of a seal structure provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

fig. 4 is an exploded view of a sealing structure provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an elastic component in a sealing structure according to an embodiment of the present invention;

fig. 6 is a partially enlarged view at C in fig. 5.

Wherein:

1. an inner barrel; 2. an outer tub; 3. a water retaining assembly; 4. a seal assembly; 5. an elastic component; 6. a drainage assembly; 7. a flange; 8. a clutch motor assembly; 11. a wave wheel disc; 31. a water retaining cover; 32. an upper edge structure; 41. a first seal member; 42. a seal ring; 43. a second seal member; 51. a first spring; 52. a swing; 53. a second spring; 421. a first seal section; 422. a second seal segment.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like refer to an orientation or positional relationship relative to an orientation or positional relationship shown in the drawings, which are used for convenience in describing the present invention, and do not imply that the referenced device or element must have a particular orientation or position, and therefore should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The present embodiment provides a sealing structure, as shown in fig. 1 to 6, the sealing structure is used for sealing an inner barrel 1 and an outer barrel 2 of a washing machine, the inner barrel 1 is rotatably sleeved in the outer barrel 2, the sealing structure includes a water blocking component 3, a sealing component 4, an elastic component 5 and a drainage component 6, the sealing component 4 is fixed at the bottom of the inner barrel 1, the drainage component 6 is arranged on the outer barrel 2, one end of the water blocking component 3 is communicated with the drainage component 6, the other end of the water blocking component 3 is sleeved at the lower end of the sealing component 4, and the elastic component 5 is arranged around the periphery of the sealing component 4; and the elastic component 5 can adjust the fit tightness of the sealing component 4 and the water retaining component 3.

Specifically, in the embodiment, the inner cylinder 1 is rotatably sleeved in the outer cylinder 2, the bottoms of the inner cylinder 1 and the outer cylinder 2 are communicated through the water blocking assembly 3, and the water blocking assembly 3 can prevent water discharged from the inner cylinder 1 from entering a gap between the inner cylinder 1 and the outer cylinder 2 in the process of being discharged to the water discharging assembly 6; the upper end of the water retaining component 3 is communicated with the bottom of the inner barrel 1 through a sealing component 4, the lower end of the water retaining component 3 is connected with the outer barrel 2, and the water retaining component 3 is communicated with a drainage component 6; in addition, the bottom of the outer barrel 2 is also provided with a clutch motor assembly 8; the bottom of the inner cylinder 1 is provided with a wave wheel disc 11.

In the working process of the washing machine, the inner barrel 1 provides a cavity for washing and is used for containing clothes and washing water; the outer barrel 2 plays a role of bearing the inner barrel 1, the clutch motor assembly 8 and the water retaining assembly 3; the pulsator wheel 11 plays a role of agitating the laundry; the water retaining component 3 is arranged on the outer barrel 2 to form a water passing cavity, the lower end of the cavity is the same as the drainage component 6, and the upper end and the side surface of the cavity are contacted with the water retaining component 3; the water discharging component 6 is used for discharging the water in the inner barrel 1 through a pipeline; the clutch motor assembly 8 is used to power the washing machine.

In the drainage stage of the washing machine, the elastic component 5 wraps the sealing component 4, so that the sealing component 4 is tightly matched with the water retaining component 3, and water drained from the inner barrel 1 is directly drained through the drainage component 6 and cannot enter a gap between the inner barrel 1 and the outer barrel 2; in the dehydration stage, the inner barrel 1 rotates to generate centrifugal force, the elastic component 5 extends outwards due to the centrifugal force, the diameter of the elastic component 5 is increased after the elastic component 5 is stressed, the sealing component 4 is not clamped tightly, and the sealing component 4 and the water retaining component 3 are in a clearance fit state, so that the inner barrel 1 can normally rotate to realize dehydration without overcoming redundant friction force, the problems that the power of a motor of the washing machine is increased and the power consumption is increased in the dehydration stage due to the existing sealing structure are solved, and the dehydration stage is beneficial to energy conservation, emission reduction and environmental protection.

In a specific embodiment, as shown in fig. 1 and 4, the sealing structure further comprises a flange 7, the flange 7 is fixed at the bottom of the inner barrel 1, and the sealing assembly 4 is mounted at the bottom of the flange 7. Specifically, the flange 7 is mounted at the bottom of the inner cylinder 1 by means of screw fastening, and is used for reinforcing the whole sealing structure and simultaneously playing a role of bearing the sealing assembly 4.

In a specific embodiment, as shown in fig. 3, the sealing assembly 4 includes a first sealing element 41, a top portion of the first sealing element 41 is disposed against the flange 7, and a bottom portion of the first sealing element 41 extends into the water deflector assembly 3; the first seal member 41 includes a circular sheet-like seal member body, the circumferential surface of which extends downward to the rim; the flaky sealing element body is tightly attached to the bottom surface of the flange 7 and fixed with the flange 7 through a screw, the edge of the downward extending part is of an annular structure, correspondingly, the top of the water retaining component 3 is also of an annular structure, the inner diameter of the annular structure at the top of the water retaining component 3 is larger, and the annular structure can be just sleeved at the lower end of the annular edge, so that the first sealing element 41 is fixed; the elastic component 5 is arranged around the periphery of the first sealing element 41, and in an initial state, the annular structure extending downwards from the first sealing element 41 and the annular structure at the top of the water retaining component 3 are in a close fit state, so that in a drainage stage, after the first sealing element 41 and the water retaining component 3 are in close fit, a gap between the inner barrel 1 and the outer barrel 2 is sealed, and washing water is prevented from entering the gap between the inner barrel 1 and the outer barrel 2; in the dewatering stage, the inner cylinder 1 rotates, and under the action of centrifugal force, one end of the elastic component 5, which is far away from the first sealing component 41, stretches outwards, so that the first sealing component 41 is in clearance fit with the water retaining component 3, and no contact surface exists between the first sealing component 41 and the water retaining component 3, and no extra load is added to the motor.

In a specific embodiment, as shown in fig. 3 and 4, the sealing assembly 4 further includes a sealing ring 42, the sealing ring 42 includes a first sealing section 421 having an inner diameter d1 and a second sealing section 422 having an inner diameter d2, the first sealing section 421 is sleeved on an outer surface of the first sealing member 41, the second sealing section 422 is sleeved on a top of the water blocking assembly 3, and the top of the water blocking assembly 3 abuts against a step formed by the first sealing section 421 and the second sealing section 422; wherein d1 is less than d2. The inner surface of the sealing ring 42 is stepped and is used for matching with the first sealing element 41 and the top of the water retaining assembly 3; after the first sealing element 41 is matched with the water retaining component 3, because only a part of the lower section of the first sealing element 41 is sleeved in the top of the water retaining component 3, after matching, an outer step shape is formed on the outer surface, the upper half part of the outer step shape is the outer surface of the first sealing element 41, the outer diameter of the outer step shape is smaller, and the lower half part of the outer step shape is the outer surface of the top of the water retaining component 3, and the outer diameter of the outer step shape is larger; in order to match the outer step, the sealing ring 42 sleeved on the outer step is also step-shaped.

In a particular embodiment, as shown in fig. 3, the sealing assembly 4 further comprises a second sealing element 43, the second sealing element 43 being located between the flange 7 and the first sealing element 41; and the first seal segment 421 can wrap around the second seal 43; more specifically, the second seal 43 is a sealing gasket, located between the upper surface of the first seal 41 and the lower surface of the flange 7, and is mainly used for sealing in the axial direction.

In a specific embodiment, as shown in fig. 2 and 4, the water blocking assembly 3 includes a water blocking cover 31, a top of the water blocking cover 31 extends upwards to form a barrel-shaped upper edge structure 32, a top of the upper edge structure 32 abuts against a step formed by the first sealing section 421 and the second sealing section 422, and an outer surface of the upper edge structure 32 is wrapped in the second sealing section 422; the upper edge structure 32 is the top of the water blocking assembly 3, and is sleeved on the first sealing member 41.

In a specific embodiment, as shown in fig. 3, 5 and 6, the elastic assembly 5 includes a first spring 51 and a swing member 52, the first spring 51 is disposed on an outer surface of the sealing ring 42, and the swing member 52 is connected to an outer surface of the first spring 51; the swing portion 52 can adjust the tightness of the fit between the first sealing member 41 and the first sealing section 421 and between the outer periphery of the upper edge structure 32 and the second sealing section 422 by the first spring 51 under the action of centrifugal force; the swing parts 52 are provided in plurality, and the swing parts 52 are distributed on the outer circumferential surface of the first spring 51 in at least two circles along the axial direction thereof; each circle of swing part structure comprises a plurality of swing parts 52, and the swing parts 52 are uniformly distributed along the circumferential direction; and each of the rockers 52 is fixed to the first spring 51 by the second spring 53.

Wherein, the first spring 51 is larger and sleeved on the outer surface of the sealing ring 42, and the second spring 53 is a small spring and arranged radially and used for connecting the first spring 51 and the swing part 52; the swing portion 52 is integrally assembled with the first end of the second spring 53, and the other end of the second spring 53 is integrally assembled with the first spring 51 by welding or strong glue.

In the initial stage, the outer surface of the first sealing element 41 and the inner surface of the first sealing section 421 are in a close fit state, the outer surface of the second sealing element 43 and the inner surface of the first sealing section 421 are in a close fit state, and the periphery of the upper edge structure 32 and the inner surface of the second sealing section 422 are also in a close fit state, and in this state, when water is drained, the close fit at each position enables the sealing structure provided by the embodiment to better seal the gap between the inner barrel 1 and the outer barrel 2, so that washing water is prevented from entering the gap; and in the dehydration stage, under the effect of centrifugal force, goods of furniture for display rather than for use 52 follows inner tube 1 and rotates, under the effect of centrifugal force, second spring 53 pulls first spring 51, first spring 51's diameter grow, at this moment, the pressure of sealing ring surface diminishes or hour, then preceding closely cooperate to become clearance fit, do not have the contact surface, need not to overcome unnecessary frictional force, avoided current seal structure to make washing machine in dehydration stage motor power grow, the power consumption becomes more the problem, be favorable to energy saving and emission reduction and environmental protection.

Example 2

The present embodiment provides a washing machine including the sealing structure of embodiment 1.

The washing machine provided by the embodiment adopts the sealing structure in the embodiment 1, so that the sealing effect can be realized, and the problems that the power of the motor is increased and the power consumption is increased in the dehydration stage of the washing machine can be solved.

In summary, it is easily understood by those skilled in the art that the advantageous technical features described above can be freely combined and superimposed without conflict.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A sealing structure is used for sealing an inner barrel and an outer barrel of a washing machine, the inner barrel is rotatably sleeved in the outer barrel, and the sealing structure is characterized by comprising a water retaining component, a sealing component, an elastic component and a drainage component, wherein the sealing component is fixed at the bottom of the inner barrel, the drainage component is arranged on the outer barrel, one end of the water retaining component is communicated with the drainage component, the other end of the water retaining component is sleeved at the lower end of the sealing component, and the elastic component is arranged around the periphery of the sealing component; and the elastic component can adjust the fit tightness of the sealing component and the water retaining component.

2. The seal structure of claim 1, further comprising a flange secured to a bottom of the inner cartridge, the seal assembly being mounted to the bottom of the flange.

3. The seal structure of claim 2, wherein the seal assembly includes a first seal, a top portion of the first seal being disposed against the flange, a bottom portion of the first seal extending into the water dam assembly.

4. The sealing structure according to claim 3, wherein the sealing assembly further comprises a sealing ring, the sealing ring comprises a first sealing section with an inner diameter d1 and a second sealing section with an inner diameter d2, the first sealing section is sleeved on the outer surface of the first sealing element, the second sealing section is sleeved on the top of the water blocking assembly, and the top of the water blocking assembly abuts against a step formed by the first sealing section and the second sealing section; wherein d1 is less than d2.

5. The seal structure of claim 4, wherein the seal assembly further includes a second seal positioned between the flange and the first seal; and the first seal segment is capable of wrapping around the second seal.

6. The sealing structure of claim 4 or 5, wherein the water blocking assembly comprises a water blocking cover, a top of the water blocking cover extends upwards to form a barrel-shaped upper edge structure, the top of the upper edge structure abuts against a step formed by the first sealing section and the second sealing section, and an outer surface of the upper edge structure is wrapped in the second sealing section.

7. The seal structure of claim 6, wherein the resilient assembly includes a first spring disposed about an outer surface of the seal ring and a rocker member coupled to an outer surface of the first spring; the swing part can adjust the matching tightness between the first sealing part and the first sealing section and between the periphery of the upper edge structure and the second sealing section through the first spring under the action of centrifugal force.

8. A sealing arrangement according to claim 7, wherein a plurality of rocker members are provided, the plurality of rocker members being distributed over the outer peripheral surface of the first spring in at least two-turn rocker structure along the axial direction thereof.

9. A sealing arrangement according to claim 8, wherein each ring of rocker structures comprises a plurality of rockers, the plurality of rockers being evenly distributed circumferentially; and each of the rockers is fixed to the first spring by the second spring.

10. A washing machine, characterized in that it comprises a sealing structure according to any one of claims 1-9.