CN218090167U - Drum washing machine - Google Patents

Abstract

The utility model relates to a drum type washing machine, this drum type washing machine includes: a clothes taking opening is formed in the front side surface of the box body; the door body is arranged on the front side of the box body and can pivotally open or close the clothes taking opening; the door glass is arranged on the back side of the door body and is formed by extending from the back side of the door body to the inside of the box body; the door seal is arranged in the box body and arranged around the clothes taking opening; the inner side of the door seal is provided with an extension wall which is annular and extends from the inner wall of one side of the door seal close to the clothes taking opening to the center of the clothes taking opening; when the door body is closed, the door glass can stretch into the center of the extension wall, and the edge of the center side of the extension wall is sealed and sleeved on the peripheral wall of the door glass. The utility model discloses the border of usable extension wall center side can radially laminate door glass's periphery wall to door glass can not produce axial or radial displacement and lead to sealed inefficacy to leak because of the impact of clothing in a section of thick bamboo, thereby reduces the problem that drum type washing machine leaked.

Description

Drum washing machine

Technical Field

The utility model relates to a washing machine technical field, in particular to drum type washing machine.

Background

In the prior art, a door seal of a washing machine is axially pressed and sealed with a door glass. In the washing process of the washing machine, the door glass generates axial or radial displacement due to the impact of clothes in the drum or other reasons, so that sealing failure and water leakage are caused, water in the washing machine leaks out from the door seal, and the use experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drum type washing machine to can solve the problem that drum type washing machine leaked in the washing process, thereby promote drum type washing machine's sealed function, promote user's use and experience.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the utility model, the utility model provides a drum type washing machine, include:

a clothes taking opening is formed in the front side surface of the box body;

the door body is arranged on the front side of the box body and can pivotally open or close the clothes taking opening;

the door glass is arranged on the back side of the door body and is formed by extending the back side of the door body to the box body;

the door seal is arranged in the box body and is arranged around the clothes taking opening; the inner side of the door seal is provided with an extension wall which is annular and extends from the inner wall of the door seal to the center of the clothes taking opening;

when the door body is closed, the door glass can stretch into the center of the extension wall, and the edge of the center side of the extension wall is sleeved on the peripheral wall of the door glass in a sealing manner.

In some embodiments of the present application, a sealing ring is further disposed at an edge of a central side of the extension wall; when the door body is closed, the sealing ring is hermetically sleeved on the peripheral wall of the door glass.

In some embodiments of the present application, the door glass includes a base and a cylinder; the base is arranged on the back side of the door body and formed by extending the back side of the door body backwards; the cylinder is arranged on the rear side of the base and is formed by extending the rear end of the base backwards; when the door body is closed, the sealing ring can be sleeved on the peripheral wall of the cylinder in a sealing manner.

In some embodiments of the present application, the extension wall extends obliquely from the inner wall of the door seal to the inner side of the box body, so that the extension wall is tapered; the peripheral wall of the base forms a conical surface and is matched with the conical shape formed by the extension wall; when the door body is closed, the peripheral wall of the base can be close to the extension wall or abut against the extension wall.

In some embodiments of the present application, the sealing ring is made of a flexible material with elasticity; the inner diameter of the sealing ring is smaller than the diameter of the outer peripheral wall of the cylinder; when the door body is closed, the sealing ring is tightly attached to the peripheral wall of the cylinder under the action of the elastic force of the sealing ring.

According to some embodiments of the application, when the door body is closed, the sealing ring sleeve is arranged at the central position of the peripheral wall of the cylinder.

In some embodiments of the present application, the door glass further includes a guide portion, the guide portion is extended by the rear end of the cylinder is protruded backward, the diameter of the outer peripheral wall of the rear end of the guide portion is smaller than the inner diameter of the seal ring, and in the direction toward the cylinder, the diameter of the guide portion becomes gradually larger.

In some embodiments of the present application, the outer peripheral wall of the guide portion has a circular arc shape or a circular truncated cone shape.

In some embodiments of the present application, the drum washing machine further includes an outer tub and an inner tub; the outer barrel is arranged in the box body, and an open opening is formed in the front side of the outer barrel; the inner barrel is arranged in the outer barrel, an opening is formed in the front side of the inner barrel, and the opening is opposite to the clothes taking opening; the door seal also comprises a base body, the base body is annular, the peripheral side edge of the front end of the base body is hermetically connected with the peripheral side edge of the clothes taking opening, and the peripheral side edge of the rear end of the base body is hermetically connected with the peripheral side edge of the open opening; the extending wall extends from the base body to the center of the clothes taking opening.

In some embodiments of the present application, the extending wall is disposed on the inner peripheral wall of the front end of the base body, and extends from the edge of the inner peripheral wall of the front end of the base body to the center of the clothes taking opening.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

the utility model discloses among the drum type washing machine, usable door seals locates in the box, the inboard of sealing at the door is equipped with the extension wall, the inner wall of usable door seal extends to the center of getting the clothing mouth, when closing the drum type washing machine door body, through the support of extension wall, the border that extends wall center side can radially laminate door glass's periphery wall, thereby can be at the in-process of drum type washing machine washing, door glass can not produce axial or radial displacement and can lead to sealed inefficacy to leak because of the impact of a section of thick bamboo interior clothing or other reasons, thereby obviously reduce the problem that drum type washing machine leaked, improve user experience.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a plan view of the door of fig. 1 when opened.

Fig. 3 is a sectional view of fig. 1.

Figure 4 is a cross-sectional view of the dock seal installed in the cabinet.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is a cross-sectional view of the dock seal.

Fig. 7 is a sectional view of the door glass.

Fig. 8 is a sectional view of another embodiment of a door glass.

Fig. 9 is a plan view of fig. 8 mounted on the drum washing machine.

Fig. 10 is a sectional view of fig. 9 when the door is closed.

The reference numerals are explained below: 1. a box body; 11. taking a clothes opening; 12. an outer tub; 121. a water outlet; 13. an inner barrel; 131. a washing chamber; 14. a water pump; 2. a door body; 3. sealing a door; 31. a substrate; 32. an extension wall; 33. a seal ring; 4. a door glass; 41. a base; 42. a cylinder; 43. a guide portion.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In the prior art, a door seal and a door glass of a washing machine are axially pressed and sealed. In the washing process of the washing machine, the door glass generates axial or radial displacement due to the impact of clothes in the drum or other reasons, so that sealing failure and water leakage are caused, water in the washing machine leaks out from the door seal, and the use experience of a user is influenced.

For convenience of description, unless otherwise specified, the directions of upper, lower, left, right, front and rear are all referred to herein as the state of the drum washing machine when in use, and the door of the drum washing machine is front and the opposite direction is rear.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention. Fig. 2 is a plan view of the door 2 in fig. 1 when opened. Fig. 3 is a sectional view of fig. 1.

Referring to fig. 1 to 3, a drum washing machine according to an embodiment of the present invention mainly includes a cabinet 1, a door 2, a door seal 3, and a door glass 4.

The cabinet 1 is generally of a rectangular hollow structure, the cabinet 1 serves as a housing of the drum washing machine, and the appearance shape of the cabinet can be designed according to needs.

A clothes taking opening 11 is arranged on the front side plate of the box body 1. The door body 2 is arranged at the clothes taking opening 11 of the box body 1, and the door body 2 can open and close the clothes taking opening 11. The door body 2 and the box body 1 can be connected through a hinge, so that the door body 2 can rotate around the axis of the door hinge, the door body 2 is opened and closed, and the clothes taking opening 11 of the box body 1 is opened and closed.

An outer barrel 12 is arranged in the box body 1, the outer barrel 12 is of a shell structure with an open mouth, and the open mouth of the outer barrel 12 is opposite to the clothes taking mouth 11 of the box body 1. The outer tub 12 is used to contain washing liquid, such as water. The inner tub 13 is rotatably disposed inside the outer tub 12, and a washing chamber 131 is formed in the inner tub 13, and the washing chamber 131 is used for containing laundry to be washed. The nozzle of the inner tub 13 is disposed opposite to the nozzle of the outer tub 12, so that the laundry can enter the washing chamber 131 from the laundry taking opening 11 of the cabinet 1, the open opening of the outer tub 12, and the nozzle of the inner tub 13 in sequence.

Referring to fig. 3, in some embodiments, the outer barrel 12 and the inner barrel 13 are coaxially arranged inside and outside. The inner tub 13 has a hole (not shown) formed on an outer wall thereof, through which water in the outer tub 12 can enter the inner tub 13 to wash the laundry in the inner tub 13.

In some embodiments, a driving device (not shown) is provided in the housing 1. The driving device is arranged outside the outer barrel, and the output end of the driving device extends into the outer barrel to be in transmission connection with the inner barrel so as to drive the inner barrel to rotate relative to the outer barrel and further clean clothes in the inner barrel.

Fig. 4 is a sectional view of the door seal 3 installed in the cabinet 1.

Referring to fig. 1 to 4, in some embodiments, a drain opening 121 is disposed at the bottom of the outer tub 12, the outer tub 12 is communicated with the drain pipe through the drain opening 121, and the outer tub 12 is communicated with the outside of the cabinet 1 through the drain pipe (not shown), so that the washing liquid contained in the outer tub 12 can be drained out of the cabinet 1 through the drain opening 121 and the drain pipe, thereby achieving the draining function of the drum washing machine.

Referring to fig. 3 and 4, in some embodiments, a water pump 15 is further disposed in the cabinet 1, the water pump 15 is disposed at the bottom of the cabinet 1, one end of the water pump 15 is communicated with the outer tub 12 through a water outlet 121, and the other end of the water pump 15 is communicated with a water drain pipe, so that the water pump 15 can provide power for draining the washing liquid in the outer tub 12, and the washing liquid in the outer tub 12 is drained from the cabinet 1 through the water drain pipe by the water pump 15 through the water outlet 121, thereby achieving a draining function of the drum washing machine.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Referring to fig. 3 to 5, in some embodiments, the door seal 3 is disposed in the cabinet 1 and around the clothes taking opening 11, the door seal 3 is of a ring structure, and the door seal 3 is disposed between the clothes taking opening 11 of the cabinet 1 and the opening of the outer tub, and specifically, the door seal 3 may be made of a sealing material. The edge of the front end of the door seal 3 is connected with the edge of the outer barrel 12, and the edge of the rear end of the door seal 3 is connected with the edge of the opening of the outer barrel 12, so that the gap between the opening 11 of the outer barrel 12 and the opening of the outer barrel 1 is sealed, and the washing water can be prevented from flowing into the gap between the box 1 and the outer barrel 12 when the drum washing machine works.

Referring to fig. 2 and 3, in some embodiments, the door glass 4 is disposed on a back side of the door body 2, and the door glass 4 is formed by extending from the back side of the door body 2 into the cabinet 1. When the door body 2 is closed, the door glass 4 can extend into the clothes taking opening 11 to abut against the door seal 3, and then the door body 2 is matched to seal the clothes taking opening 11, so that the box body 1 of the drum washing machine is sealed.

Fig. 6 is a sectional view of the dock seal 3.

Referring to fig. 3-6, in some embodiments, the dock seal 3 mainly includes a base 31 and an extension wall 32.

The base 31 is of an annular structure and is arranged between the clothes taking opening 11 of the box body 1 and the opening of the outer cylinder. The edge of the front end of the base 31 is connected with the edge of the outer side of the clothes taking opening 11 of the box 1 in a sealing way, the edge of the rear end of the base 31 is connected with the edge of the opening of the outer barrel 12 in a sealing way, and then the gap between the clothes taking opening 11 of the box 1 and the opening of the outer barrel 12 is sealed, so that the washing water can be prevented from flowing into the gap between the box 1 and the outer barrel 12 when the drum washing machine works.

Referring to fig. 3 to 6, in some embodiments, the extension wall 32 is disposed in the box body 1 and around the clothes-taking opening 11. The extension wall 32 is formed by extending the inner wall edge of the door seal 3 close to the clothes taking opening 11 to the center of the clothes taking opening 11, and the extension wall 32 is in a ring structure. When the door body 2 is closed, the door glass 4 can stretch into the center arranged on the extension wall 32, and the edge sealing sleeve on the center side of the extension wall 32 is arranged on the peripheral wall of the door glass 4, so that the door glass 4 cannot generate axial or radial displacement due to impact of clothes in the drum or other reasons to cause sealing failure and water leakage, the water leakage problem of the drum washing machine can be obviously reduced, and the user experience is improved.

In some embodiments, the extension wall 32 is provided at the front end inner peripheral wall of the base 31, extending from the edge of the front end inner peripheral wall of the base 31 toward the center of the clothes-taking opening 11, so that the extension wall 32 can be smoothly sealed and arranged on the outer peripheral wall of the door glass 4, reducing the occupation of the space in the washing chamber 131.

It should be noted that, in some other embodiments, the extending wall 32 may also be provided at the rear inner peripheral wall of the base 31, and extends from the rear inner peripheral wall edge of the base 31 to the center of the clothes taking opening 11. The extension wall 32 may be disposed at other positions of the base 31, and is not limited herein.

In some embodiments, the dock seal 3 further includes a gasket 33. The sealing ring 33 is sleeved at the edge of the central side of the extending wall 32, and the sealing ring 33 is in an annular structure. When the door body 2 is closed, the sealing ring 33 can be sealed and sleeved on the peripheral wall of the door glass 4, so that the interior of the box body 1 is sealed, the sealing ring 33 can be used for radially sealing the door glass 4 through the support of the extension wall 32, the door glass 4 cannot cause sealing failure and water leakage due to the fact that the impact of clothes in the drum or other reasons or radial displacement can be generated, the water leakage problem of the drum washing machine can be obviously reduced, and the user experience is improved.

In some embodiments, the sealing ring 33 is made of an elastic flexible material, and the diameter of the sealing joint portion of the sealing ring 33 and the door glass 4 is greater than the inner diameter of the sealing ring 33, so that the sealing ring 33 can be hermetically arranged on the outer peripheral wall of the door glass 4 by using the self elasticity of the flexible material, and further the sealing effect of the sealing ring 33 is improved, and further when the drum washing machine works, the sealing ring 33 cannot be displaced due to the impact of clothes in the washing cavity 131, and the washing liquid in the drum washing machine cannot leak out of the drum washing machine due to the impact, so that the stability of the sealing effect of the washing machine is improved, and the use experience of a user is improved.

In some embodiments, the diameter of the sealing ring 33 is greater than the thickness of the extension wall 32, such that the sealing ring 33 has sufficient elasticity and mechanical strength. When the sealing ring 33 is sealingly fitted on the outer peripheral wall of the door glass 4, the sealing ring 33 can be stably clamped on the outer peripheral wall of the door glass 4, thereby improving the effect of radial sealing between the door seal 3 and the door glass 4.

In some embodiments, the base 31, the extension wall 32 and the sealing ring 33 are integrally formed, so that the production efficiency of the dock seal 3 can be improved, and the production cost can be reduced.

Fig. 7 is a sectional view of the door glass 4. Fig. 8 is a sectional view of another embodiment of the door glass 4. Fig. 9 is a plan view of fig. 8 mounted on the drum washing machine. Fig. 10 is a sectional view of fig. 9 when the door 2 is closed.

Referring to fig. 2 to 10, in some embodiments, the door glass 4 mainly includes a base 41, a cylinder 42 and a guide portion 43.

Wherein, the base 41 is arranged at the back side of the door body 2, and the base 41 is formed by extending backwards from the back side of the door body 2. The base 41 is a circular truncated cone whose diameter gradually decreases from the front end to the rear end, and the outer peripheral wall of the base 41 is a tapered surface. The base 41 can cover the clothes taking opening 11 in cooperation with the door body 2 when the door body 2 is closed, thereby improving the sealing function of the door body 2 in the drum washing machine.

Referring to fig. 3 to 6, in some embodiments, the extension wall 32 extends from the inner wall of the door seal 3 on the side close to the clothes-taking opening 11 to the inner side of the cabinet 1, and is inclined, specifically, while the extension wall 32 extends to the center of the clothes-taking opening 11, the extension wall 32 gradually extends to the rear end of the washing cavity 131, so that the outer peripheral wall of the extension wall 32 is in a tapered structure.

It should be noted that the outer peripheral wall of the base 41 is formed to have a tapered surface matching the tapered structure formed by the extension wall 32, so that the outer peripheral wall of the base 41 can be as close to the extension wall 32 as possible when the door body 2 is closed.

It should be noted that, in some other embodiments, the peripheral wall of the base 41 forms a tapered surface matching the taper formed by the extension wall 32, so that when the door body 2 is closed, the peripheral wall of the base 41 can abut against the extension wall 32, thereby improving the sealing effect of the drum washing machine and reducing the water leakage of the drum washing machine.

Referring to fig. 7, in some embodiments, the cylinder 42 is disposed at the rear side of the base 41, and the cylinder 42 is formed by extending the rear end of the base 41 rearward. The diameter of the cylinder 42 is smaller than that of the clothes taking opening 11, so that the cylinder 42 can fully extend into the clothes taking opening 11 of the box body 1 when the door body 2 is closed.

In some embodiments, the outer circumferential wall of the cylinder 42 is a cylindrical surface, and the diameter of the cylinder 42 is greater than the inner diameter of the sealing ring 33, so that when the door body 2 is closed, the sealing ring 33 is tightly attached to the cylindrical surface of the outer circumferential wall of the cylinder 42 under the action of self elastic force, and the sealing ring 33 can seal the outer circumferential wall of the cylinder 42 in the radial direction, thereby improving the drum washing machine of the sealing ring 33, preventing the sealing ring 33 from leaking water due to vibration in the working process of the drum washing machine, improving the sealing stability of the drum washing machine, and improving the use experience of a user.

It should be noted that, in other embodiments, the sealing ring 33 may also be sleeved on other positions of the door glass 4.

In some embodiments, the door glass 4 is made of a rigid material, and when the sealing ring 33 performs a tight sealing on the door glass 4, the diameter of the door glass 4 is not changed, so that the sealing stability is higher.

In some embodiments, when the door 2 is closed, the sealing ring 33 is sleeved on the central position of the outer circumferential wall of the cylindrical body 42, so that when the sealing ring 33 is collided with clothes in the washing machine and is displaced by a small distance, the sealing effect of the sealing ring 33 is still not affected and still clings to the outer circumferential wall of the cylindrical body 42, the sealing ring 33 and the outer circumferential wall of the cylindrical body 42 are still clinging, the clinging force is not changed, the sealing effect is not weakened, and therefore water leakage is avoided. Thereby can improve drum type washing machine sealing function, increase sealed stability, and then improve user's use and experience.

It should be noted that, in other embodiments, the sealing ring 33 may also be disposed at other positions on the outer peripheral wall of the cylinder 42.

Referring to fig. 3 and 7, in some embodiments, the guiding portion 43 is disposed at the rear side of the cylinder 42, the guiding portion 43 protrudes rearward from the rear end of the cylinder 42, and the guiding portion 43 has a truncated cone shape. Specifically, the outer peripheral wall of the rear end of the guide portion 43 has a diameter smaller than the inner diameter of the seal ring 33, and the diameter of the guide portion 43 becomes gradually larger in the direction toward the cylindrical body 42, so that the outer peripheral wall of the guide portion 43 forms a guide wall extending obliquely. When the door body 2 is closed, because the guide portion 43 is arranged at the outermost end of the door glass 4, the guide portion 43 is firstly abutted against the center of the sealing ring 33, and the diameter of the outer peripheral wall at the front end of the guide portion 43 is smaller than the diameter of the outer peripheral wall at the rear end of the guide portion 43, so that the center of the sealing ring 33 can move along the outer peripheral wall of the guide portion 43 until the sealing ring 33 moves to the central position of the cylinder 42, and the sealing ring 33 is hermetically sleeved on the outer peripheral wall of the cylinder 42 to radially seal the cylinder 42.

As shown in fig. 8 to 10, in other embodiments, the guiding portion 43 may also be in a circular arc shape, specifically, an outer peripheral wall of a rear end of the guiding portion 43 is in an arc shape, and has a diameter smaller than an inner diameter of the sealing ring 33, and the diameter of the guiding portion 43 gradually increases in a direction toward the cylinder 42, so that the outer peripheral wall of the guiding portion 43 forms a guiding wall having a circular arc shape, and the guiding portion further forms a circular arc shape. When the door body 2 is closed, because the guide portion 43 is arranged at the outermost end of the door glass 4, the guide portion 43 is firstly abutted against the center of the sealing ring 33, the diameter of the outer peripheral wall at the front end of the guide portion 43 is smaller than the diameter of the outer peripheral wall at the rear end of the guide portion 43, and the center of the sealing ring 33 can move along the circular arc-shaped outer peripheral wall of the guide portion 43 until the sealing ring 33 moves to the central position of the cylinder 42, so that the sealing ring 33 is hermetically sleeved on the outer peripheral wall of the cylinder 42 to radially seal the cylinder 42.

In other embodiments, the guide portion 43 may also be formed in other shapes such as a conical shape, and is not limited herein.

Referring to fig. 2 to 10, in some embodiments, the base 41, the cylinder 42 and the guiding portion 43 are integrally formed, so that the production efficiency of the door glass 4 can be improved and the production cost can be reduced.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

the utility model discloses among the drum type washing machine, usable door seals 3 and locates in box 1, the inboard of sealing 3 at the door is equipped with extends wall 32, the inner wall of usable door seals 3 extends to the center of getting clothing mouth 11, when closing drum type washing machine door body 2, through the support of extending wall 32, the border that extends wall 32 center side can radially laminate door glass 4's periphery wall, thereby can be at the in-process that drum type washing machine washed, door glass 4 can not produce axial or radial displacement and can lead to sealed inefficacy to leak because of the impact of a section of thick bamboo interior clothing or other reasons, thereby obviously reduce the problem that drum type washing machine leaked, improve user experience.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A drum washing machine characterized by comprising:

a clothes taking opening is formed in the front side surface of the box body;

the door body is arranged on the front side of the box body and can pivotally open or close the clothes taking opening;

the door glass is arranged on the back side of the door body and formed by extending from the back side of the door body to the inside of the box body;

the door seal is arranged in the box body and is arranged around the clothes taking opening; the inner side of the door seal is provided with an extension wall which is annular and extends from the inner wall of the door seal close to one side of the clothes taking opening to the center of the clothes taking opening;

when the door body is closed, the door glass can stretch into and be arranged in the center of the extension wall, and the edge of the center side of the extension wall is sleeved on the peripheral wall of the door glass in a sealing manner.

2. A drum washing machine according to claim 1, characterized in that a gasket is further provided at the edge of the center side of the extension wall; when the door body is closed, the sealing ring is hermetically arranged on the peripheral wall of the door glass.

3. A drum washing machine according to claim 2, characterized in that the door glass comprises a base and a cylinder; the base is arranged on the back side of the door body and is formed by extending the back side of the door body backwards; the cylinder is arranged on the rear side of the base and is formed by extending the rear end of the base backwards;

when the door body is closed, the sealing ring can be sleeved on the peripheral wall of the cylinder in a sealing manner.

4. A drum washing machine according to claim 3, characterized in that the extension wall extends obliquely from the inner wall of the door seal on the side close to the clothes-taking opening to the inner side of the cabinet, so that the extension wall is tapered;

the peripheral wall of the base forms a conical surface and is matched with the conical shape formed by the extension wall;

when the door body is closed, the peripheral wall of the base can be close to the extension wall or abut against the extension wall.

5. A drum washing machine according to claim 3, characterized in that the sealing ring is made of elastic flexible material; the inner diameter of the sealing ring is smaller than the diameter of the outer peripheral wall of the cylinder;

when the door body is closed, the sealing ring is tightly attached to the peripheral wall of the cylinder under the action of the elastic force of the sealing ring.

6. A drum washing machine according to claim 5, characterized in that when the door body is closed, the sealing ring is sleeved on the central position of the peripheral wall of the cylinder.

7. A drum washing machine according to claim 3, characterized in that the door glass further comprises a guide portion which protrudes rearward from the rear end of the cylindrical body, the outer circumferential wall of the rear end of the guide portion has a diameter smaller than the inner diameter of the gasket, and the diameter of the guide portion becomes gradually larger in a direction toward the cylindrical body.

8. A drum washing machine according to claim 7, characterized in that the guide part is in the shape of a circular truncated cone or a circular arc.

9. A drum washing machine according to claim 1, characterized in that the drum washing machine further comprises an outer tub and an inner tub;

the outer barrel is arranged in the box body, and an open hole is formed in the front side of the outer barrel;

the inner barrel is arranged in the outer barrel, an opening is formed in the front side of the inner barrel, and the opening is opposite to the clothes taking opening;

the door seal also comprises a base body, the base body is annular, the peripheral side edge of the front end of the base body is hermetically connected with the peripheral side edge of the clothes taking opening, and the peripheral side edge of the rear end of the base body is hermetically connected with the peripheral side edge of the open opening; the extending wall extends from the base body to the center of the clothes taking opening.

10. A drum washing machine according to claim 9, characterized in that the extension wall is provided on the inner peripheral wall of the front end of the base body and extends from the edge of the inner peripheral wall of the front end of the base body toward the center of the laundry taking opening.

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