CN219709870U

CN219709870U - Top cover of top-opening washing machine and washing machine

Info

Publication number: CN219709870U
Application number: CN202223042985.3U
Authority: CN
Inventors: 朱应喜; 李文伟; 董新伟; 翟清明
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-09-19
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses an upper cover of a top-opening type washing machine and the washing machine, wherein the upper cover comprises an upper cover plate; the inner cover plate is convexly arranged on the inner side wall of the upper cover plate; the first sealing structure is arranged around the joint of the inner side wall of the upper cover plate and the inner cover plate; and the second sealing structure is circumferentially arranged on the inner cover plate. The upper cover comprises the upper cover plate and the inner cover plate which is arranged on the inner side wall of the upper cover plate in a protruding mode, after the upper cover is installed on the washing machine, the protruding inner cover plate can extend into the clothes throwing port of the disc seat of the washing machine, so that the first sealing structure and the second sealing structure of the upper cover can form two-stage sealing at the upper end and the lower end of the clothes throwing port, water in the outer cylinder is prevented from splashing into the clothes throwing port when the washing machine washes or dewaters, water stains are generated on the upper end face of the disc seat by splashing, sealing performance of the upper cover and the clothes throwing port is improved, wind noise generated when the inner cylinder spin-dries clothes can be effectively reduced, and user experience is improved.

Description

Top cover of top-opening washing machine and washing machine

Technical Field

The utility model belongs to the field of washing machines, and particularly relates to an upper cover of a top-opening type washing machine and the washing machine.

Background

The top-open type drum washing machine comprises a box body, an outer drum and an inner drum which are sequentially arranged from outside to inside. A tray is arranged at the top of the box body of the top-opening type drum washing machine so as to mount the upper cover of the washing machine on the washing machine through the tray. The middle part of the tray seat is provided with a clothes throwing port which is penetrated up and down, the top of the outer cylinder is provided with an outer cylinder port, and the circumferential surface of the inner cylinder is provided with an inner cylinder port. When the inner cylinder rotates to the inner cylinder opening, the outer cylinder opening and the clothes throwing opening, a user can take and put clothes from the inner cylinder from the top of the box body without bending down to take the clothes from a low place.

In the prior art, an outer cylinder cover for sealing an outer cylinder opening is arranged on an outer cylinder, and an inner cylinder cover for sealing an inner cylinder opening is arranged on an inner cylinder. The top-opening type drum washing machine omits an upper cover, so that the upper cover can also seal the outer drum opening when being closed. For the top-opening type drum washing machine with only two layers of covers, a clothes throwing port of a tray seat is communicated with an outer drum port through a window gasket, the window gasket is of a flexible tubular structure, in the washing or dehydrating process, a top cover closes the clothes throwing port, and an upper cover, the tray seat, the window gasket and the outer drum form a sealing chamber, so that the inner drum rotates in the sealing chamber to complete washing or dehydrating actions.

However, a sealing structure is arranged between the existing upper cover and the upper end face of the disc seat, and a sealing structure is arranged between the inner cover plate protruding from the inner side of the upper cover and the lower end of the clothes throwing port, but a large amount of water drops still splashes out of order in the outer cylinder when the washing machine dehydrates and spin-dries clothes, and the water drops enter the clothes throwing port from the clothes throwing port at the lower end of the disc seat and are splashed onto the upper end face of the disc seat, so that residual water stains adhere to the clothes throwing port and the upper end face of the disc seat.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an upper cover of a top-opening type washing machine, wherein the upper cover is provided with an upper cover plate and an inner cover plate which is convexly arranged on the inner side wall of the upper cover plate, the inner cover plate can extend into a clothes throwing port of a washing machine tray seat, a first sealing structure and a second sealing structure of the upper cover can form two-stage sealing at the upper end and the lower end of the clothes throwing port, the sealing performance of the upper cover and the clothes throwing port is improved, water stains caused by splashing of water in an outer cylinder into the clothes throwing port to the upper end surface of the tray seat during washing or dewatering of the washing machine are avoided, and noise generated during running of the washing machine can be reduced.

Another object of the present utility model is to provide a top-opening type washing machine.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: an upper cover of a top-opening type washing machine is provided, comprising an upper cover plate;

the inner cover plate is convexly arranged on the inner side wall of the upper cover plate;

the first sealing structure is arranged on the joint of the inner side wall of the upper cover plate and the inner cover plate in a surrounding manner;

and the second sealing structure is circumferentially arranged on the inner cover plate.

The upper cover comprises the upper cover plate and the inner cover plate which is arranged on the inner side wall of the upper cover plate in a protruding mode, after the upper cover is installed on the washing machine, the protruding inner cover plate can extend into the clothes throwing port of the disc seat of the washing machine, so that the first sealing structure and the second sealing structure of the upper cover can form two-stage sealing at the upper end and the lower end of the clothes throwing port, the sealing performance of the upper cover and the clothes throwing port is improved, water in the outer cylinder is prevented from splashing into the clothes throwing port during washing or dewatering of the washing machine, water stains are generated on the upper end face of the disc seat, wind noise generated during clothes spin-drying in the inner cylinder can be effectively reduced, and user experience is improved.

Further, an annular groove is formed at the joint of the inner side wall of the upper cover plate and the inner cover plate;

one end of the first sealing structure is fixed in the annular groove, and the other end of the first sealing structure protrudes outwards from the notch of the annular groove.

Further, the inner side wall of the upper cover plate is provided with a first bending part which is recessed inwards and surrounds the upper cover plate, the outer peripheral edge of the inner cover plate is provided with a second bending part which is recessed inwards and surrounds the upper cover plate, and the second bending part is lapped on the first bending part to form the annular groove.

Further, the first sealing structure comprises

The first fixing ring part is arranged on the outer annular wall of the annular groove formed by the first bending part;

the second fixing ring part is arranged on the inner annular wall of the annular groove formed by the second bending part;

the buffer ring part is connected between the lower ends of the first fixing ring part and the second fixing ring part, seals the notch of the annular groove and is outwards protruded out of the notch;

the first flanging is formed by inwards turning and extending from one end, connected with the buffer ring, of the first fixing ring;

and the second flanging is formed by inwards turning and extending from one end, connected with the buffer ring, of the second fixing ring.

Further, the second sealing structure is circumferentially arranged on the outer peripheral wall of the lower end of the inner cover plate.

Further, an annular concave cavity is formed in the peripheral wall of the lower end of the inner cover plate, and the second sealing structure is arranged in the annular concave cavity.

Further, the second sealing structure includes an annular body disposed in the annular cavity and an annular lip extending upwardly from a lower portion of the annular body to an exterior of the annular body.

Further, the inner decking includes,

one end of the cylindrical plate is connected with the inner side wall of the upper cover plate;

the edge of the panel is connected with the opening at the other end of the cylindrical plate;

the panel is an arc plate formed by recessing the edge towards the middle part and upwards covering the inner part.

Further, the second sealing structure is arranged on the joint of the other end of the cylindrical plate and the panel in a surrounding mode.

The utility model also provides a washing machine, which is provided with the upper cover of any one of the top-opening washing machines;

also included is a method of manufacturing a semiconductor device,

the box body is provided with a tray seat at the top, a clothes throwing port is arranged in the middle of the tray seat, and the upper cover is arranged on the tray seat to open and close the clothes throwing port;

an outer cylinder opening is formed in the top of the outer cylinder;

the window pad, the both ends of window pad are connected the dish seat throw the clothing mouth lower extreme with between the urceolus mouth, first seal structure with the dish seat throw clothing mouth upper end sealing connection, second seal structure with the dish seat throw clothing mouth lower extreme sealing connection.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

(1) The upper cover comprises the upper cover plate and the inner cover plate which is arranged on the inner side wall of the upper cover plate in a protruding mode, after the upper cover is installed on the washing machine, the protruding inner cover plate can extend into the clothes throwing port of the disc seat of the washing machine, so that the first sealing structure and the second sealing structure of the upper cover can form two-stage sealing at the upper end and the lower end of the clothes throwing port, the sealing performance of the upper cover and the clothes throwing port is improved, water in the outer cylinder is prevented from splashing into the clothes throwing port during washing or dewatering of the washing machine, water stains are generated on the upper end face of the disc seat, wind noise generated during clothes spin-drying in the inner cylinder can be effectively reduced, and user experience is improved.

(2) The panel of the upper cover is an arc plate formed by recessing the periphery edge towards the middle part towards the inside of the upper cover, so that when the inner cylinder is spin-dried, air flow generated during the dehydration rotation of the inner cylinder can form vortex, residual water stains on the panel are air-dried, water vapor of the panel is prevented from being condensed into a large amount of water drop plates to drop on the ground to form water stains after the upper cover is opened by a user, and the attractive appearance of the upper cover can be simultaneously considered.

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

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic view of an upper cover of a top-opening type washing machine according to the present utility model;

FIG. 2 is a schematic view of an upper cover of a top-opening type washing machine according to the present utility model;

FIG. 3 is a schematic cross-sectional view showing a part of the structure of a top-loading washing machine according to the present utility model;

fig. 4 is an enlarged schematic view of a part of the sectional structure of fig. 3 according to the present utility model.

In the figure: 1. an upper cover plate; 11. an upper frame; 12. a lower frame; 121. a first bending part; 13. an annular groove; 2. a first sealing structure; 21. a first fixing ring portion; 22. a second fixing ring portion; 23. a buffer ring portion; 24. a fixing part; 25. a first flanging; 26. a second flanging; 3. an inner cover plate; 31. a cylindrical plate; 311. a second bending part; 32. a panel; 33. an annular cavity; 4. a second sealing structure; 41. an annular body; 42. an annular lip; 5. a tray seat; 51. an upper end surface; 52. a surrounding wall; 6. an outer cylinder; 7. and a window pad.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

As shown in fig. 1 to 4, the present utility model provides an upper cover of a top-opening type washing machine for blocking a laundry inlet of a tray 5 at an upper portion of the top-opening type washing machine, thereby preventing water in an outer tub 6 from splashing outward.

The upper cover comprises an upper cover plate 1, an inner cover plate 3, a first sealing structure 2 and a second sealing structure 4.

The upper cover plate 1 is rotatably covered on the upper part of the tray seat 5. The inner cover plate 3 is arranged on the joint of the inner side wall of the upper cover plate 1 and the inner cover plate 3 in a protruding mode, and can protrude inwards to extend into the clothes throwing opening. The first sealing structure 2 is arranged on the inner side wall of the upper cover plate 1 in a surrounding mode. The second sealing structure 4 is arranged on the inner cover plate 3 in a surrounding manner.

The upper cover comprises an upper cover plate 1 and an inner cover plate 3 which is arranged on the inner side wall of the upper cover plate 1 in a protruding manner, after the upper cover is arranged on a washing machine tray seat 5, the protruding inner cover plate 3 can extend into the clothes throwing port of the washing machine tray seat 5, the first sealing structure 2 is arranged on the joint of the inner side wall of the upper cover plate 1 and the inner cover plate 3 in a surrounding manner, and can be in butt joint deformation seal with the top of the clothes throwing port of the tray seat 5 by utilizing gravity, so that the upper cover is not required to be extruded, the first sealing structure 2 is far away from the clothes throwing port of the tray seat 5 after the upper cover is opened, a user is not required to open the upper cover in a laborious manner, and the sealing performance can be improved; the second seal structure 4 can be relatively pressed with the lower extreme inner wall of the clothes throwing mouth of the tray seat 5 and set up for the first seal structure 2 of upper cover, the second seal structure 4 can form two-stage seal at the upper and lower both ends of clothes throwing mouth, have improved the leakproofness of upper cover and clothes throwing mouth, in the outer cylinder 6 water flies into the clothes throwing mouth when avoiding washing machine washing or dehydration, thereby splash to produce the water stain on the up end 51 of tray seat 5, wind noise that produces when can also effectively reduce the inner cylinder and spin-dry clothing, user experience has been improved.

The upper cover of the utility model can be used for the upper cover of a top-opening type roller washing machine and the upper cover of a pulsator washing machine. The top cover is mainly used for the top cover of the top-opening type roller washing machine.

As shown in fig. 3 to 4, the connection between the inner sidewall of the upper cover plate 1 and the inner cover plate 3 has an annular groove 13. One end of the first sealing structure 2 is fixed in the annular groove 13, and the other end of the first sealing structure 2 protrudes outwards from the notch of the annular groove 13.

According to the utility model, the annular groove 13 is concavely arranged at the joint of the inner side wall of the upper cover plate 1 and the inner cover plate 3, one end of the first sealing structure 2 is arranged in the annular groove 13, the other end is convexly arranged downwards, the upper cover can be in butt joint with the top of the clothes throwing port of the disc seat 5 by utilizing gravity to seal in a deformation way when closed, the upper cover is not required to be extruded by the upper cover, the first sealing structure 2 is far away from the clothes throwing port of the disc seat 5 after the upper cover is opened, and a user does not need to open the upper cover with extra effort.

Preferably, the annular groove 13 is arranged to be recessed vertically upwards.

As shown in fig. 4, the inner side wall of the upper cover plate 1 has a first bending portion 121 concavely disposed inward, and the first bending portion 121 extends in a ring shape. The outer peripheral edge of the inner cover plate 3 is provided with a second bending part 311 concavely arranged in the upper cover plate 1, and the second bending part 311 is lapped on the first bending part 121 to form the annular groove 13.

The inner cover plate 3 is provided on the inner peripheral side of the annular first bending portion 121, and is located outside the first bending portion 121. The second bending part 311 is located outside the first bending part 121.

The annular groove 13 may be disposed on an inner sidewall of the upper cover, proximate to the inner cover plate 3; or may be disposed on the edge of the inner cover plate 3, and disposed adjacent to the upper cover plate 1.

The first sealing structure 2 includes a first fixing ring portion 21, a second fixing ring portion 22, and a buffer ring portion 23.

The first fixing ring portion 21 is disposed on an outer annular wall of the annular groove 13 formed by the first bending portion 121, and the second fixing ring portion 22 is disposed on an inner annular wall of the annular groove 13 formed by the second bending portion 311. The buffer ring part 23 is connected between the lower ends of the first fixing ring part 21 and the second fixing ring part 22, and seals the notch of the annular groove 13, and protrudes outwards from the notch.

The first sealing structure 2 further comprises a first flange 25 and a second flange 26.

The first flange 25 is formed by extending and folding inwardly from the inner side of the end of the first fixing ring portion 21 connected to the buffer ring portion 23. The second flange 26 is formed by extending and folding inwardly from the inner side of the end of the second fixing ring portion 22 connected to the buffer ring portion 23.

The first flange 25 and the second flange 26 are disposed opposite to the buffer ring portion 23, and can support the buffer ring portion 23 and improve the buffer capacity of the first seal structure 2 when the pressure of the buffer ring portion 23 against the disc seat 5 is increased and the deformation is excessive.

Preferably, the first flange 25 and the second flange 26 are disposed opposite to each other, the first flange 25 and the second flange 26 are disposed to extend toward opposite sides, and a space is provided between the extending ends of the first flange 25 and the second flange 26. Preferably, the extending ends of the first flange 25 and the second flange 26 are disposed close to each other.

The first bending part 121 extends from the inner side wall of the upper cover plate 1 to the upper part of the upper cover in a ring shape, then extends along the radial direction to the middle part, and then extends to the upper part of the upper cover. The second bending part 311 extends from the edge of the inner cover plate 3 to the upper part of the upper cover, then extends outwards along the radial direction, and is overlapped on the structure of the first bending part 121 extending along the radial direction.

The first sealing structure 2 further includes a fixing portion 24, one end of the fixing portion 24 is connected to the other end of the first fixing ring portion 21 opposite to the buffer ring portion 23, and the other end extends toward the second fixing ring portion 22 on the opposite side.

The first fixing ring portion 21 extends from the buffer ring portion 23 to the inside, is attached to the outer sidewall of the annular groove 13, and then the fixing portion 24 extends in a radial direction toward the middle, and is sandwiched between the overlapping structures of the first bending portion 121 and the second bending portion 311.

The second bending portion 311 is provided with a limiting plate protruding outwards in a structure extending outwards in the radial direction, a clamping groove is formed by the limiting plate and the structure extending inwards of the second bending portion 311, and the second fixing ring portion 22 is clamped in the clamping groove.

More specifically, the upper cover plate 1 includes an upper frame 11 and a lower frame 12. The upper frame 11 is box-shaped, and a box opening is arranged downwards. The lower frame 12 is arranged at the inner edge of the box opening.

The first bending part 121 is disposed on the lower frame 12. The middle part of the lower frame 12 is provided with an annular opening, the first bending part 121 extends from the annular opening to the upper part in the upper cover, then extends along the radial direction to the middle part of the lower frame 12, and extends to the upper part of the upper cover to be spliced on the inner wall of the upper frame 11.

As shown in fig. 3 to 4, the second sealing structure 4 is provided around the outer peripheral wall of the lower end of the inner deck 3.

According to the utility model, the second sealing structure 4 surrounds the peripheral wall of the lower end of the inner cover plate 3 and can form a seal with the lower end of the clothes throwing port of the disc seat 5, so that when the washing machine runs, splash water generated by the outer cylinder 6 is prevented from entering the clothes throwing port of the disc seat 5, and the splash water can be matched with the first sealing structure 2, even if the splash water can enter the clothes throwing port of the disc seat 5, the splash water cannot pass through the clothes throwing port and splash onto the upper end surface of the disc seat 5, the sealing performance of the clothes throwing port is greatly improved, and the problem of water stain caused by poor sealing performance of the upper cover during washing or dewatering of the washing machine is solved.

The upper cover plate 1 and the inner cover plate 3 may be connected together in any feasible manner, such as snap-fit connection, screw connection, riveting, etc.

As shown in fig. 4, an annular concave cavity 33 is provided on the outer peripheral wall of the lower end of the inner cover plate 3, and the second sealing structure 4 is provided in the annular concave cavity 33.

According to the utility model, the annular concave cavity 33 is arranged on the peripheral wall of the lower end of the protruding inner cover plate 3, one end of the second sealing structure 4 is fixed in the annular concave cavity 33, the other end of the second sealing structure protrudes outwards out of the annular concave cavity 33, and when the upper cover is closed, the second sealing structure 4 is extruded with the lower end of the clothes throwing port of the disc seat 5, so that good sealing performance can be achieved, water is prevented from entering the clothes throwing port, and noise generated during spin-drying of the washing machine can be reduced.

Specifically, the second sealing structure 4 includes an annular body 41 and an annular lip 42, the annular body 41 being disposed in the annular cavity 33, the annular lip 42 extending upward from a lower portion of the annular body 41 to an outside of the annular body 41.

Because the lower ends of the first sealing structure 2 and the clothes throwing port are in extrusion sealing, the second sealing structure 4 is provided with the annular body 41 and the annular lip 42, the annular body 41 is fixed in the annular concave cavity 33, and the special arc lip structure of the annular lip 42 can allow the upper cover to have certain assembly deviation, so that the upper cover is ensured to be sealed and simultaneously cannot generate excessive switching resistance when being opened and closed.

Further, the inner cover plate 3 includes a cylindrical plate 31 and a panel 32.

One end edge of the cylindrical plate 31 is connected to the inner side wall of the upper cover plate 1. The outer peripheral edge of the panel 32 is connected with the opening edge of the other end of the cylindrical plate 31, and the panel 32 is an arc plate formed by recessing the periphery edge toward the middle part and upwards covering the inside.

The top-loading washing machine will form water vapor in the sealed chamber during washing and spin-drying, which will adhere to the faceplate 32, especially during high temperature spin-drying. When the user opens the upper cover to take out the clothes from the inner tub after washing or dehydrating is completed, the water vapor of the panel 32 condenses into a large amount of water droplets, and the water droplets are collected into water flow and drop from the panel 32 to the ground to form water stains, so that the user is not satisfied.

The panel 32 is the arc that is formed by the edge all around to the inside sunken formation of upper cover in middle part, can make the inner tube spin-dry the air current that produces when rotating and form the vortex in the inner tube spin-dry, is favorable to air-drying the residual water stain on the panel 32, effectively air-dries the water stain and can compromise the pleasing to the eye of upper cover simultaneously.

The second sealing structure 4 is circumferentially arranged at the connection part between the other end of the cylindrical plate 31 and the panel 32.

Preferably, the cylindrical plate 31 and the face plate 32 are joined by a welding process and form an annular cavity 33 in which the second sealing structure 4 is clamped. The first sealing structure 2 and the second sealing structure 4 are sealing rings.

Specifically, the second bending portion 311 is disposed at an opening edge of the tubular plate 31, extends upward from the opening edge of the tubular plate 31, and extends radially outward.

The annular concave cavity 33 is provided on the outer peripheral wall of the other end of the cylindrical plate 31, and is provided in close proximity to the panel 32.

As shown in fig. 1 to 4, the present utility model also provides a washing machine having the top cover of any one of the above-mentioned top-opening washing machines.

The washing machine also comprises a box body, an inner cylinder, an outer cylinder 6, a tray seat 5 and a window pad 7.

The top of the box body is provided with a tray seat 5, and the middle part of the tray seat 5 is provided with a clothes throwing port. The upper cover is rotatably arranged on the tray seat 5 and is used for opening and closing the clothes throwing port. The outer cylinder 6 is fixedly arranged in the box body, and an outer cylinder opening is formed in the top of the outer cylinder 6. The inner cylinder is pivotally arranged in the outer cylinder 6, and an inner cylinder cover is arranged on the inner cylinder.

The two ends of the window pad 7 are connected between the lower end of the clothes throwing port of the disc seat 5 and the outer cylinder, the first sealing structure 2 is in sealing connection with the upper end of the clothes throwing port of the disc seat 5, and the second sealing structure 4 is in sealing connection with the inner peripheral wall of the lower end of the clothes throwing port of the disc seat 5.

When the inner cylinder cover rotates to the top of the inner cylinder, the inner cylinder cover, the upper cover and the outer cylinder are aligned, the upper cover and the inner cylinder cover can be opened, and a user puts clothes into the inner cylinder or takes out the clothes from the inner cylinder.

The upper cover plate 1 covers the upper part of the dish seat 5, and the inner cover plate 3 can extend into the clothes throwing port of the dish seat 5 of the washing machine.

The first sealing structure 2 may be disposed on an inner sidewall of the upper cover plate 1 or at a junction of the upper cover plate 1 and the inner cover plate 3.

The upper cover part or the whole upper cover part can be made of sound insulation materials.

Preferably, the front parts of the outer cylinder 6 and the inner cylinder of the washing machine are respectively provided with a clothes throwing opening.

The upper end edge of the clothes throwing port protrudes upwards and is in pressing sealing arrangement with the first sealing structure 2.

Specifically, the clothes throwing port is arranged at the upper end and the lower end of the through disc seat 5 and has a certain extension length. The tray seat 5 comprises an upper end face 51 connected with the tray seat and a surrounding wall 52 surrounding the clothes-throwing opening. The upper end face 51 is provided on the outer periphery of the upper end of the surrounding wall 52.

The inner diameter of the upper end of the surrounding wall 52 is greater than the inner diameter of the lower end. The surrounding wall 52 is gradually reduced from top to bottom to form a reducing section, and then continues to extend downwards, so that the inner diameter does not become a straight-through section.

The connection part of the reducing section and the upper end surface 51 is provided with an annular bulge, and the annular bulge is in pressing sealing arrangement with the first sealing structure 2. The second sealing structure 4 is in extrusion sealing arrangement with the inner peripheral wall of the straight-through section. In particular, the annular lip 42 is in compression seal arrangement with the inner peripheral wall of the pass-through section.

The lower end of the cylindrical plate 31 protrudes downward below the surrounding wall 52 and protrudes into the window gasket 7.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present utility model can be further combined or replaced by the equivalent embodiment without departing from the scope of the technical solution of the present utility model.

Claims

1. An upper cover of a top-opening washing machine, which is characterized in that: comprises an upper cover plate;

the second sealing structure is arranged on the inner cover plate in a surrounding manner;

the joint of the inner side wall of the upper cover plate and the inner cover plate is provided with an annular groove;

2. The top cover of a top-loading washing machine as claimed in claim 1, wherein:

the inner side wall of the upper cover plate is provided with a first bending part which is recessed inwards and surrounds the upper cover plate, the peripheral edge of the inner cover plate is provided with a second bending part which is recessed inwards and arranged upwards, and the second bending part is lapped on the first bending part to form the annular groove.

3. The upper cover of a top-loading washing machine as claimed in claim 2, wherein:

the first sealing structure comprises

4. A top cover for a top-loading washing machine as claimed in any one of claims 1 to 3, wherein: the second sealing structure is arranged on the peripheral wall of the lower end of the inner cover plate in a surrounding mode.

5. The top cover of a top-loading washing machine as claimed in claim 4, wherein: an annular concave cavity is formed in the peripheral wall of the lower end of the inner cover plate, and the second sealing structure is arranged in the annular concave cavity.

6. The top cover of a top-loading washing machine as claimed in claim 5, wherein: the second seal structure includes an annular body disposed in the annular cavity and an annular lip extending upwardly from a lower portion of the annular body to an exterior of the annular body.

7. The top cover of a top-loading washing machine as claimed in claim 4, wherein: the inner decking includes a plurality of panels,

8. The top cover of a top-loading washing machine as claimed in claim 7, wherein: the second sealing structure is arranged on the joint of the other end of the cylindrical plate and the panel in a surrounding mode.

9. A washing machine, characterized in that: an upper cover having the top-opening type washing machine of any one of claims 1 to 8; also included is a method of manufacturing a semiconductor device,

an outer cylinder opening is formed in the top of the outer cylinder;