CN220746356U - Drum washing machine - Google Patents

Abstract

The utility model proposes a drum washing machine, comprising: a case body having an inlet formed therein; the outer cylinder is arranged in the box body and comprises an outer cylinder opening; the roller is arranged in the outer cylinder and can rotate relative to the outer cylinder; a dock seal connected between the input port and the outer barrel opening, the dock seal comprising: the first connecting piece is used for connecting the box body; the second connecting piece is used for connecting the outer cylinder; the fold body is connected between the first connecting piece and the second connecting piece, and the middle part of the fold body protrudes towards the direction away from the outer cylinder to form a buffer space; the convex parts are arranged on the fold body at intervals, part of the fold body of each convex part protrudes in a direction away from the outer cylinder, and the convex parts are connected with the fold body between the convex parts to form a corrugated structure; the corrugated structure is provided with two corrugated structures which are respectively positioned at the left side and the right side of the door seal. By arranging the ripple mechanism, enough deformation allowance can be provided when the deformation of the door seal is large, and the problems of tearing, mutual abrasion and the like are prevented.

Description

Drum washing machine

Technical Field

The utility model belongs to the technical field of washing machines, and particularly relates to a drum washing machine.

Background

Washing machines may be classified into drum washing machines and pulsator washing machines. For a drum washing machine, the drum washing machine comprises a box body, an outer drum, a drum and a door seal, wherein an input port for inputting clothes is formed in the box body, the outer drum is arranged in the box body, an outer drum opening is formed in one side end of the outer drum, the drum is arranged in the outer drum through the outer drum opening, and the drum rolls relative to the outer drum to wash. The door seal is connected with the opening of the outer cylinder at the position of the input port to seal the gap between the input port and the opening of the outer cylinder, so that water in the cylinder is prevented from overflowing.

At present, the washing capacity is updated in the design of the drum washing machine, and the washing capacity is increased by the improvement of the drum capacity under the same appearance size of the drum washing machine, so that the capacity of the drum washing machine is larger and larger, and the performance requirement on the door seal is higher and higher. When 80-100% of load is placed in the drum, after a washing program is selected to enter washing and rinsing, the drum forming system is integrally sunk under the action of gravity, the sinking amount is large, the deformation of the door seal is serious, the phenomena of pulling and local bulge occur, the deformation amount generated by the deformation enables the door seal to be always in a stressed state, the mutual contact friction of the outer wall of the door seal caused by the deformation can occur for a long time, the abrasion even the water leakage problem of the door seal occurs, and the permanent deformation of the fold of the door seal occurs. In order to solve the technical problem, in the related art, the strength of the door seal body is improved by replacing the material of the door seal or providing a plurality of reinforcing ribs on the outer peripheral wall of the fold part of the door seal, so as to avoid deformation of the door seal body.

However, the above-mentioned effects are not ideal, and if the material of the dock seal is changed, the cost of the dock seal is increased by a multiple, increasing the economic cost. The fold part of the door seal is provided with a plurality of reinforcing ribs, so that the strength of the door seal is improved to a certain extent, but the reinforcing ribs play a reverse role when the door seal is deformed, so that the door seal is more stressed and is more prone to failure.

In view of this, the present application is presented.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose,

according to an embodiment of the present application, there is provided a drum washing machine including:

the box body is provided with a throwing port, and the top end and the bottom end of the box body are two ends of the box body which are oppositely arranged in the vertical direction;

an outer cylinder which is arranged in the box body and comprises an outer cylinder opening facing the input port;

the roller is arranged in the outer cylinder and can rotate relative to the outer cylinder;

a dock seal connected between the input port and the outer barrel opening, the dock seal comprising:

the first connecting piece is used for connecting the box body;

the second connecting piece is used for connecting the outer cylinder;

the fold body is connected between the first connecting piece and the second connecting piece, and the middle part of the fold body protrudes towards the direction away from the outer cylinder to form a buffer space;

the convex parts are arranged on the fold body at intervals, part of the convex parts are protruded from the fold body to a direction away from the outer cylinder, and the convex parts are connected with the fold body between the convex parts to form a corrugated structure;

the corrugated structures are arranged at two sides of the first axis, and the first axis extends along the vertical direction and is connected with the central axis of the door seal.

According to the roller washing machine provided by the technical scheme, the two corrugated structures are arranged on the door seal, and the corrugated structures comprise the plurality of protruding portions arranged at a plurality of intervals, so that enough deformation allowance can be provided when the deformation of the door seal is large, the problems of tearing, mutual grinding and the like are prevented, the service life of the door seal is prolonged, user complaints are reduced, and the market competitiveness of the roller washing machine is further improved. Meanwhile, the convex part is protruded from the part of the fold body to the direction far away from the outer cylinder, that is to say, the convex part is subjected to expansion type design, enough deformation space is provided, mutual abrasion is prevented, dirt wiping is facilitated, and user experience is improved.

According to the embodiment of the application, the ripple structure includes even and the interval sets up at least three the convex part, the bottom of fold body rather than being close to the convex part has the interval in the circumference direction of fold body, avoids the convex part setting to cause dirty storage in the bottom of fold body.

According to the embodiment of the application, one end of the protruding portion is connected with the first connecting piece, the other end of the protruding portion is connected with the second connecting piece, and the projection of the central line of the protruding portion in the axial direction of the dock seal extends along the radial direction of the dock seal, so that deformation is facilitated when the roller sinks.

According to the embodiment of the application, the one end of convex part with first connecting piece is connected, its other end with the second connecting piece is connected, just the central line of convex part is in the axial direction's of door seal projection is relative horizontal plane slope setting, and this setting makes rivers and the dirty easy outflow of going into the convex part, prevents dirty wall built-up.

According to the embodiment of the application, the surface of the door seal is coated with the wear-resistant coating, so that the wear resistance of the door seal is improved.

According to the embodiment of the application, the box includes the front bezel, throw into the mouth form in on the front bezel, the door seal install in the front bezel with between the preceding terminal surface of urceolus in the axial direction of door seal, the convex part with minimum distance size between the front bezel is 10mm, avoids convex part and front bezel to take place to rub.

According to the embodiment of the application, fold body orientation be provided with at least one strengthening rib on the periphery wall of front bezel, the strengthening rib is located two between the ripple structure is used for supporting fold body through setting up the strengthening rib, improves structural stability.

According to the embodiment of the application, the fold body include with the first fold portion that the second connecting piece is connected, first fold portion is straight section and arc section connection enclose the annular structure that closes the formation, straight section forms the bottom of fold body, straight section certainly the second connecting piece orientation is kept away from the direction slope of urceolus upwards extends, and the straight section through the slope setting further prevents that the dirt is remained, and the while is convenient to clean the door seal.

According to the embodiment of the application, the convex part with the junction of fold body is provided with the fillet, makes things convenient for the ripple structure drawing of patterns and has improved ripple structure's intensity.

According to an embodiment of the present application, there is also provided a drum washing machine including:

the box body is provided with a throwing port, and the top end and the bottom end of the box body are two ends of the box body which are oppositely arranged in the vertical direction;

an outer cylinder which is arranged in the box body and comprises an outer cylinder opening facing the input port;

the roller is arranged in the outer cylinder and can rotate relative to the outer cylinder;

a dock seal connected between the input port and the outer barrel opening, the dock seal comprising:

the first connecting piece is used for connecting the box body;

the second connecting piece is used for connecting the outer cylinder;

the fold body is connected between the first connecting piece and the second connecting piece, and the middle part of the fold body protrudes towards the direction away from the outer cylinder to form a buffer space;

the convex parts are arranged on the fold body at intervals and are protruded towards the direction away from the outer cylinder relative to the fold body, a buffer cavity communicated with the buffer space is formed in the hollow part of the convex parts, and the convex parts are connected with the fold body between the convex parts to form a corrugated structure;

the corrugated structures are arranged at two sides of the first axis, and the first axis extends along the vertical direction and is connected with the central axis of the door seal.

According to the roller washing machine provided by the technical scheme, the two corrugated structures are arranged on the door seal, and the corrugated structures comprise the plurality of protruding portions arranged at a plurality of intervals, so that enough deformation allowance can be provided when the deformation of the door seal is large, the problems of tearing, mutual grinding and the like are prevented, the service life of the door seal is prolonged, user complaints are reduced, and the market competitiveness of the roller washing machine is further improved. Meanwhile, the convex part is protruded towards the direction away from the outer cylinder relative to the fold body, a buffer cavity communicated with the buffer space is formed in the hollow part of the convex part, the buffer cavity is arranged to provide enough deformation space, mutual abrasion is prevented, dirt wiping is facilitated, and user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 and 2 are external views of a drum washing machine according to an embodiment of the present disclosure;

FIG. 3 is a structural perspective view of a case according to an embodiment of the present disclosure;

FIG. 4 is a sectional view of a drum washing machine according to an embodiment of the present disclosure;

FIG. 5 is a structural perspective view of an outer barrel according to an embodiment of the present disclosure;

FIG. 6 is a structural perspective view of a drum according to an embodiment of the present disclosure;

FIG. 7 is a schematic illustration of the connection of the tub to the drum in accordance with an embodiment of the present disclosure;

FIG. 8 is a schematic illustration of the connection of a door body to a front panel according to an embodiment of the present disclosure;

FIG. 9 is a schematic illustration of the connection of an outer cartridge to a dock seal, according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a dock seal according to an embodiment of the present disclosure;

FIG. 11 is a side view of a dock seal according to an embodiment of the present disclosure;

FIG. 12 is a front view of a dock seal according to an embodiment of the present disclosure;

FIG. 13 is a schematic diagram of a corrugated structure prior to deformation according to an embodiment of the present disclosure;

FIG. 14 is a schematic illustration of a deformed corrugated structure according to an embodiment of the present disclosure;

FIG. 15 is a cross-sectional view at C-C in FIG. 12;

FIG. 16 is a schematic view of a dock seal in its axial direction, according to an embodiment of the present disclosure;

FIG. 17 is a schematic illustration of the connection of a front panel to a dock seal, according to an embodiment of the present disclosure;

FIG. 18 is a cross-sectional view taken at D-D in FIG. 17;

FIG. 19 is a front view of a dock seal according to an embodiment of the present disclosure;

FIG. 20 is a cross-sectional view at A-A in FIG. 19;

FIG. 21 is a cross-sectional view at B-B in FIG. 19;

FIG. 22 is a front view of an outer cartridge and dock seal, according to an embodiment of the present disclosure;

fig. 23 is a partial enlarged view at a in fig. 22.

In the above figures: a drum washing machine 100; a case 1; a front plate 11; a feed port 111; a top plate 12; a side plate 13; a bottom plate 14; a housing space 15; an outer cylinder 2; an outer cylinder opening 21; a water storage chamber 22; a drum 3; a drum opening 31; a laundry accommodating chamber 32; a drum side peripheral wall 33; an outer cylinder bottom wall 24; a door seal 4; a first connector 41; a smoothing section 411; a first connection portion 412; a second connection portion 413; a second connector 42; a pleat body 43; a buffer space 431; a first fold 433; a second pleat 434; a third pleat 435; a straight section 4351; arc-shaped section 4352; a convex portion 44; a buffer cavity 441; reinforcing ribs 45; a first positioning portion 5; a second positioning portion 6; a door body 7; a door glass 71; door ring 72.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate an azimuth or positional relationship based on the use state of the drum washing machine so as to be "front" toward the user side, and "rear" away from the user side, and the direction close to the axis is "inner" and the direction away from the axis is "outer" in the radial direction of the drum composition system of the drum washing machine.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

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 directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.

The present utility model proposes a drum washing machine 100, and a description will be given of the drum washing machine 100 with reference to fig. 1 to 23. Fig. 1 to 2 are external views of a drum washing machine 100.

Referring to fig. 1 to 4, a drum washing machine 100 includes a cabinet 1, the cabinet 1 forms an external appearance of the drum washing machine 100, and an accommodating space 15 is provided in the cabinet 1, the accommodating space 15 is used for accommodating and fixing various components in the drum washing machine 100 to ensure structural stability of the clothes dryer 100, and the cabinet 1 needs to have an attractive appearance at the same time, so that the drum washing machine 100 placed indoors improves daily life experience of users.

Specifically, the case 1 has a front plate 11 on the front side, a pair of side plates 13 on the left and right sides of the case 1, a rear plate 103 on the rear side of the case 1, a top plate 12 on the top end of the case 1, and a bottom plate 14 on the bottom end thereof, and the front plate 11, the top plate 12, the rear plate, the bottom plate 14, and the side plates 13 enclose an accommodation space. The top plate 12 and the bottom plate 14 are two ends of the box 1 which are oppositely arranged in the vertical direction.

The front plate 11 of the cabinet 1 is located on the side facing the user of the drum washing machine 100.

With continued reference to fig. 3, the front plate 11 is provided with an inlet 111 for putting in laundry, and the inlet 111 communicates with the accommodation space.

The drum washing machine 100 further includes an outer tub 2 and a drum, the outer tub 2 is disposed in the accommodating space inside the cabinet 1, and the drum 3 is rotatably disposed in the outer tub 2.

Referring to fig. 5, the outer tube 2 has a cylindrical structure, typically made of plastic, for containing water, and the outer tube 2 includes an outer tube opening 21 provided at a side portion thereof, the outer tube opening 21 being opened toward the inlet 111.

Specifically, a water storage cavity 22 is formed in the outer cylinder 2, the water storage cavity 22 is communicated with the outer cylinder opening 21, the roller 3 is arranged in the water storage cavity 22, and the roller 3 can rotate relative to the outer cylinder 2.

The drum 3 is generally of a cylindrical structure, and is generally made of stainless steel, and a laundry accommodating cavity 32 is formed in the drum 3, wherein the laundry accommodating cavity 32 is used for accommodating laundry. The inner wall of the roller 3 is provided with a plurality of lifting ribs for generating friction force so as to generate rubbing action on the clothes to be washed.

Specifically, referring to fig. 6 and 7, the drum 3 includes a drum opening 31 provided at a side portion thereof, and a laundry accommodating chamber 32 is formed in the drum 3, wherein the laundry accommodating chamber 32 communicates with the drum opening 31. The drum 3 further includes a drum side circumferential wall 33, and water permeable holes (not shown) penetrating the drum side circumferential wall 33 are formed in the drum side circumferential wall 33, through which water can pass into and out of the laundry accommodating chamber 32.

In washing, a user may place laundry in the drum 3 through the input port 111 to wash. The user puts the laundry to be washed into the drum 3 through the input port 111, and when the drum washing machine 100 is started, the drum 3 rotates to drive the water flow in the drum 3 to clean the laundry, and after the cleaning is finished, the user takes out the washed laundry through the input port 111.

The outer tube 2 includes an outer tube side peripheral wall 23 and an outer tube bottom wall 24 provided at a side portion thereof. Specifically, the outer cylinder side peripheral wall 23 forms an outer cylinder opening 21, and the outer cylinder bottom wall 24 is provided opposite to the outer cylinder opening 21. Wherein one end of the outer cylinder side peripheral wall 23 is connected to the outer cylinder bottom wall 24, and the other end of the outer cylinder side peripheral wall 23 forms the outer cylinder opening 21.

In general, the outer tub opening 21 and the drum opening 31 of the drum washing machine 100 are provided coaxially with the inlet 111 in the cabinet 1, and the diameters of the outer tub opening 21 and the drum opening 31 are slightly larger than the inlet 111.

The drum washing machine 100 further includes a driving device 7, the driving device 7 is connected with the inner drum, and the driving device 7 drives the drum 3 to roll.

The basic operation principle of the drum washing machine 100 is: the drum 3 is driven by the driving device 7 to rotate in a low-speed periodic positive direction, the laundry is turned and rubbed in the drum 3, on one hand, the laundry generates friction force with the drum wall of the drum 3 and the lifting rib in the detergent, the part of the laundry close to the lifting rib and the opposite movement part rub with each other to generate rubbing action, on the other hand, the lifting rib drives the laundry to rotate together, the laundry is lifted out of the liquid level and is sent to a certain height, falls into the laundry again due to the action of gravity and collides with the laundry, and the action similar to bar beating and falling is generated. Therefore, the roller 3 continuously rotates positively and reversely, clothes continuously ascend and fall, and the washing liquid gently moves, so that friction, twisting and impact are generated between the clothes and the washing liquid, between the clothes and the roller 3, the purpose of washing the clothes is achieved, the clothes are finally washed, and meanwhile, the abrasion to the clothes is minimized.

Referring to fig. 1 and 8, when the drum 3 rotates, laundry and water are driven to rotate simultaneously. Accordingly, the drum washing machine 100 further includes a door 7, and the door 7 is provided to the inlet 111 in a openable and closable manner.

In this embodiment, the door 7 is hinged to the front plate 11 of the cabinet 1 at the outer side of the input port 111, and the door 7 is rotated to open or close the input port 111, so that when the drum washing machine washes laundry, the door 7 is rotated to completely close the input port 111, and before or after the washing machine washes laundry, the door 7 is rotated to the maximum angle, so that the input port 111 is completely opened, thereby facilitating the user to input or take out laundry.

In order to secure the sealing effect of the door 7, referring to fig. 8 and 9, the drum washing machine 100 further includes a door seal 4, and the cabinet 1 is provided with the door seal 4 inside the inlet 111. The door seal 4 is connected to the inlet 111 and the outer cylinder opening 21 to close the gap between the inlet 111 and the outer cylinder opening 21, so as to prevent the washing water in the outer cylinder 2 from flowing out of the outer cylinder 2 into the box 1 through the gap between the box 1 and the outer cylinder 2.

By closing the inlet 111 by the door body 7 in cooperation with the door seal 4, the sealing of the inlet 111 can be ensured, and water can be prevented from flowing out of the inlet 111 when the drum washing machine 100 washes laundry. Wherein, in order to facilitate the observation of the operation in the drum washing machine 100, the door body 7 includes a door glass 71 and a door ring 72, wherein the door glass 71 is installed in the door ring 72 so that the laundry washing condition in the drum 3 is observed through the door glass 71.

The door seal 4 has a cylindrical structure and at least plays a role in sealing. The door seal 4 is installed between the front plate 11 and the front end face of the outer cylinder 2, the front end of the door seal 4 is connected to the front plate 11, the rear end of the door seal 4 is connected to the front end face of the outer cylinder 2, washing water in the outer cylinder 2 and the roller 3 can be prevented from leaking out of the box body 1, meanwhile, the door seal 4 is usually made of rubber materials, has certain elasticity, and also serves as a buffer component when the roller 3 and the outer cylinder 2 run back and forth.

Referring to fig. 10 to 11, the dock seal 4 includes a first connector 41 for connecting the front plate 11 of the housing 1, a second connector 42 for connecting the outer tub 2, and a pleated body 43. The pleat body 43 is connected between the first connecting piece 41 and the second connecting piece 42, and the middle part of the pleat body 43 protrudes toward a direction away from the outer cylinder 2 to form a buffer space 431.

The fold body 43 may be in an approximately C-shaped structure, and the fold body 43 has ductility and is internally formed with a buffer space 431 to ensure that a deformation space is provided when the dock seal 4 is pressed, and the fold body 43 absorbs deformation energy by deformation, so as to avoid damage caused by deformation.

When the laundry in the roller 3 is more, the water inflow is larger, the sinking amount of the barrel composition system is larger, at the moment, one end of the door seal 4 connected with the outer barrel 2 is sinking, and one end of the door seal 4 connected with the front plate 11 is not sinking, so that the deformation amount of the door seal 4 is larger, the door seal 4 is in a tearing and mutually-grinding state, the door seal 4 can become loose and ground to leak water after running for a period of time, even is torn, the service life of the door seal 4 is seriously reduced, and the user experience is poor.

In order to effectively solve the problem that the door seal 4 deforms seriously when the load in the roller 3 is large, the problems of looseness and mutual abrasion are avoided, and the door seal 4 further comprises a corrugated structure. The corrugated structure is provided with two, and two corrugated structures are disposed in the both sides of first axis respectively, and when door seal 4 deflection was great, corrugated structure can provide sufficient deformation allowance, prevents to appear tearing, the mutual grinding scheduling problem.

Referring to fig. 12, in the present embodiment, the corrugated structure includes a plurality of protrusions 44, the plurality of protrusions 44 are disposed on the corrugated body 43 at intervals, the protrusions 44 protrude from a portion of the corrugated body 43 in a direction away from the outer cylinder 2, and the plurality of protrusions 44 are connected to the corrugated body 43 between adjacent protrusions 44 to form the corrugated structure.

The outline shape of the convex portions 44 may be substantially the same as the outline shape of the outer peripheral wall of the pleat body 43 between the adjacent convex portions 44.

Specifically, the convex part 44 protrudes from the part of the fold body 43 in a direction away from the outer cylinder 2, so that the convex part 44 is of a bulge type design, can provide enough deformation space, prevents mutual abrasion, and is convenient for dirt wiping. In this embodiment, the junction of convex part 44 and fold body 43 is provided with the fillet, and the setting of fillet makes things convenient for the ripple structure drawing of patterns, simultaneously, has improved the intensity of ripple structure.

With continued reference to fig. 12, in this embodiment, two corrugated structures are respectively disposed on both sides of the first axis L1. The first axis L1 extends in the vertical direction and is connected to the central axis of the door seal 4. That is, on the projection of the door seal 4 in the axial direction, the first axis L1 coincides with the diameter of the door seal 4 in the vertical direction.

By arranging two corrugated structures on the left and right sides of the corrugated body 43, wherein the protruding portions 44 correspond to peaks of the corrugated structures, the corrugated body 43 between the protruding portions 44 corresponds to troughs of the corrugated structures, and the arrangement of the peaks and troughs provides enough deformation to prevent the dock seal 4 from tearing and mutually grinding.

It should be noted that, the design of the wave crest and the wave trough needs to be determined according to the actual working condition. For example, assuming that the cartridge composition system needs to sink 30mm, the deformation of the peaks and valleys needs to provide a deformation amount that may exceed 30 mm. Referring to fig. 13 and 14, which are comparison diagrams of the corrugated structure before and after deformation, the deformation amount of the corrugated structure can be set to provide deformation, so that the door seal 4 can be effectively prevented from being subjected to tensile deformation by itself.

According to the drum washing machine 100 provided by the utility model, due to the arrangement of the two corrugated structures on the door seal 4, enough deformation allowance can be provided when the deformation of the door seal 4 is large, the problems of tearing, mutual abrasion and the like of the door seal 4 are prevented, the service life of the door seal 4 is prolonged, customer complaints are reduced, and the market competitiveness of the drum washing machine 100 is further improved. Meanwhile, the convex part 44 is protruded from the part of the fold body 43 to a direction far away from the outer cylinder 2, that is, the convex part 44 is in an expanding design, so that enough deformation space is provided, the mutual abrasion is prevented, the dirt wiping is facilitated, and the user experience is improved.

In other embodiments of the present application, referring to fig. 12 and 15, the pleat body 43 is connected between the first connector 41 and the second connector 42, and the middle portion of the pleat body 43 protrudes towards the direction away from the outer cylinder 2 to form a buffer space 431. The convex parts 44 are arranged on the fold body 43 at intervals, the convex parts 44 are protruded towards the direction away from the outer cylinder 2 relative to the fold body 43, a buffer cavity 441 communicated with the buffer space 431 is formed in the hollow part of the convex parts 44, and the fold body 43 between the convex parts 44 and the adjacent convex parts 44 is connected to form a corrugated structure; wherein, the ripple structure is provided with two, and two ripple structures are disposed in the both sides of first axis L1.

With continued reference to fig. 15, in the present embodiment, the protruding portion 44 protrudes away from the outer tube 2 with respect to the pleated body 43, and a buffer cavity 441 communicating with the buffer space 431 is formed in the protruding portion 44. Because the dock seal 4 is made of elastic materials, the buffer cavity 441 can provide enough deformation space, and further, when the barrel assembly system is sunk, the deformation exceeding the sunk size is provided, so that the mutual abrasion and the stress stretching deformation of the dock seal 4 are prevented, the dirt wiping is facilitated, and the user experience is improved.

In some embodiments of the present application, the corrugated structure includes at least three protrusions 44 that are uniformly and alternately arranged, and the protrusions 44 near to the bottom ends of the pleat bodies 43 have intervals in the circumferential direction of the pleat bodies 43. That is, in the present embodiment, the corrugated structure is not disposed at the bottom of the corrugated body 43, so as to effectively avoid the dirt storage caused by the disposition of the protruding portion 44 at the bottom end of the corrugated body 43.

In this embodiment, the corrugated structure includes six protrusions 44. Of course, in other embodiments, the number of the protrusions 44 may be other, and may be set according to actual conditions.

One end of the protruding portion 44 is connected to the first connecting member 41, the other end of the protruding portion 44 is connected to the second connecting member 42, and a projection of a center line of the protruding portion 44 in an axial direction of the dock seal 4 extends in a radial direction of the dock seal 4. Referring to fig. 16, the projection of the center line of the protrusion 44 in the axial direction of the dock seal 4 is L2, where L2 extends in the radial direction of the dock seal 4, and the corrugated structure provided in this way facilitates deformation when the drum 3 is submerged.

In other embodiments of the present application, one end of the protrusion 44 is connected to the first connector 41, the other end of the protrusion 44 is connected to the second connector 42, and the projection of the center line of the protrusion 44 in the axial direction of the dock seal 4 is inclined with respect to the horizontal plane, which makes the water flow entering the protrusion 44 and the dirt flow out more easily.

Wherein, in the vertical direction, the height dimension from one end of the protruding portion 44 and the first connecting member 41 to the bottom end of the case 1 may be smaller than the height dimension from one end of the protruding portion 44 and the second connecting member 42 to the bottom end of the case 1. In other embodiments, the height dimension from one end of the protrusion 44 and the first connecting member 41 to the bottom end of the case 1 may be greater than the height dimension from one end of the protrusion 44 and the second connecting member 42 to the bottom end of the case 1 in the vertical direction.

In order to improve the wear resistance of the dock seal 4, the surface of the dock seal 4 may be coated with a wear-resistant coating, further improving the service life of the dock seal 4.

In other embodiments of the present application, the surface of the dock seal 4 may be formed with a hydrophobic layer, such as spraying a non-stick polytetrafluoroethylene or hydrophobic nanomaterial, which is detrimental to the adhesion of dirt, facilitates water flow flushing, and is easy for a user to wipe.

The door body 7 includes a door glass 71 and a door ring 72, and when the door body 7 is closed at the inlet 111, the first connecting portion 412 is abutted against the door glass 71, and the second connecting portion 413 is used for clamping the door ring 72. When the drum washing machine 100 is pressed by the door glass 71, the first connecting portion 412 can deform backward to fit the shape of the door glass 71, so as to improve the tightness of the door seal 4 and the door glass 71 and prevent the washing water from flowing out from the door glass 71 when the drum washing machine 100 rotates.

Referring to fig. 17 and 18, the inlet 111 is formed in the front plate 11, the dock seal 4 is mounted between the front plate 11 and the front end surface of the outer cylinder 2, and the minimum distance dimension d1 between the protruding portion 44 and the front plate 11 in the axial direction of the dock seal 4 is 10mm, so that friction between the protruding portion 44 and the front plate 11 is avoided.

Referring to fig. 19 and 20, the pleat body 43 and the second connecting piece 42 form a groove structure, the pleat body 43 forms a groove bottom and a first groove wall of the groove structure, the second connecting piece 42 forms a second groove wall of the groove structure, the second groove wall and the first groove wall are oppositely arranged, and the second groove wall and the first groove wall are connected to opposite ends of the groove bottom.

In this embodiment, with continued reference to fig. 20, the first connector 41 includes a smoothing portion 411, a first connecting portion 412 and a second connecting portion 413, one end of the smoothing portion 411 is connected to the pleat body 43, and the other end of the smoothing portion 411 is connected to the first connecting portion 412 and the second connecting portion 413. Wherein the first connection portion 412 protrudes toward the inside of the dock seal 4, and the second connection portion 413 protrudes toward the outside of the dock seal 4.

Further, in order to improve the structural strength of the dock seal 4, at least one reinforcing rib 45 is provided on the peripheral wall of the folded body 43 facing the front plate 11, the reinforcing rib 45 is located between two corrugated structures, and the structural stability is improved by providing the reinforcing rib 45 to support the folded body 43. In the present embodiment, the reinforcing ribs 45 are provided in the axial direction, and the contour shape is the same as that of the outer peripheral wall of the pleat body 43.

Further, the reinforcing ribs 45 may be disposed at the positions of the fold body 43, which are easy to rub and deform, so as to avoid water leakage during skin abrasion. In this embodiment, the friction-prone region is mainly focused in the 5 o' clock direction, so that the reinforcing ribs 45 are arranged at the positions, and the wear resistance of the door seal 4 can be improved by such arrangement, so that large-area wear is avoided.

With continued reference to fig. 20, in the present embodiment, the pleat body 43 includes a first pleat 433, a second pleat 434, and a third pleat 435 that are connected in sequence. The first fold portion 433 is connected with the second connector 42, the third fold portion 435 is connected with the first connector 41, and the second connector 42, the first fold portion 433, the second fold portion 434, and the third fold portion 435 are sequentially connected and enclosed to form a groove structure.

The second fold portion 434 and the third fold portion 435 are both arc structures.

In some embodiments of the present application, referring to fig. 21, the first fold portion 433 includes a flat section 4351 and an arc section 4352, two ends of the flat section 4351 are connected with two ends of the arc section 4352 to form a first fold portion 433 with an annular structure, wherein the flat section 4351 forms a bottom end of the fold body 43, and the flat section 4351 extends obliquely upward from the second connecting piece 42 toward a direction away from the outer cylinder 2. That is, in the vertical direction, the height dimension of the end of the straight section 4351 near the second connecting member 42 from the bottom end of the case 1 is smaller than the height dimension of the end of the straight section 4351 far from the second connecting member 42 from the bottom end of the case 1.

Through the straight section 4351 of slope setting, further prevent that dirt from remaining in the bottom of fold body 43, conveniently clean door seal 4 simultaneously.

Referring to fig. 22 and 23, a first positioning portion 5 is provided at the bottom end of the dock seal 4, the first positioning portion 5 is located on the first axis L1, and a second positioning portion 6 is provided on the front end surface of the outer cylinder 2 corresponding to the first positioning portion 5. Wherein, the installation of door seal 4 is fixed a position the setting to first location portion 5 and the cooperation of second location portion 6, avoids door seal 4 dress to be off tracking, guarantees that two ripple structures are located the both sides of first axis.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A drum washing machine, comprising:

the box body is provided with a throwing port, and the top end and the bottom end of the box body are two ends of the box body which are oppositely arranged in the vertical direction;

an outer cylinder which is arranged in the box body and comprises an outer cylinder opening facing the input port;

the roller is arranged in the outer cylinder and can rotate relative to the outer cylinder;

a dock seal connected between the input port and the outer barrel opening, the dock seal comprising:

the first connecting piece is used for connecting the box body;

the second connecting piece is used for connecting the outer cylinder;

the fold body is connected between the first connecting piece and the second connecting piece, and the middle part of the fold body protrudes towards the direction away from the outer cylinder to form a buffer space;

a plurality of convex parts which are arranged on the fold body at intervals and are protruded from part of the fold body to a direction away from the outer cylinder, and the convex parts are connected with the fold body between the convex parts to form a corrugated structure;

the corrugated structures are arranged at two sides of the first axis, and the first axis extends along the vertical direction and is connected with the central axis of the door seal.

2. The drum washing machine as claimed in claim 1, wherein the bellows structure includes at least three protrusions, the at least three protrusions being disposed uniformly and at intervals, the protrusions adjacent thereto at the bottom end of the pleat body having intervals in the circumferential direction of the pleat body.

3. The drum washing machine as claimed in claim 1, wherein one end of the boss is connected to the first connection member, the other end of the boss is connected to the second connection member, and a projection of a center line of the boss in an axial direction of the door seal extends in a radial direction of the door seal.

4. The drum washing machine as claimed in claim 1, wherein one end of the protrusion is connected to the first connection member, the other end of the protrusion is connected to the second connection member, and a projection of a center line of the protrusion in an axial direction of the door seal is inclined with respect to a horizontal plane.

5. The drum type washing machine as claimed in claim 1, wherein a surface of the door seal is coated with a wear-resistant coating.

6. The drum type washing machine as claimed in claim 1, wherein the cabinet includes a front plate, the input port is formed on the front plate, the door seal is installed between the front plate and a front end surface of the outer tub, and a minimum distance dimension between the protruding portion and the front plate in an axial direction of the door seal is 10mm.

7. The drum washing machine as claimed in claim 6, wherein at least one reinforcing rib is provided on an outer circumferential wall of the pleat body toward the front plate, the reinforcing rib being located between the two corrugated structures.

8. The drum washing machine as claimed in claim 1, wherein the pleat body includes a first pleat portion connected to the second connection member, the first pleat portion is an annular structure formed by connecting a straight segment and an arc segment, the straight segment forms a bottom end of the pleat body, and the straight segment extends obliquely upward from the second connection member toward a direction away from the outer tub.

9. The drum washing machine as claimed in claim 1, wherein a connection of the protrusion and the pleat body is provided with a rounded corner.

10. A drum washing machine, comprising:

the box body is provided with a throwing port, and the top end of the box body and the bottom end of the box body are two ends of the box body which are oppositely arranged in the vertical direction;

an outer cylinder provided in the case, the outer cylinder including an outer cylinder opening facing the inlet;

the roller is arranged in the outer cylinder and can rotate relative to the outer cylinder;

a dock seal connected between the input port and the outer barrel opening, the dock seal comprising:

the first connecting piece is used for connecting the box body;

the second connecting piece is used for connecting the outer cylinder;

the fold body is connected between the first connecting piece and the second connecting piece, and the middle part of the fold body protrudes towards the direction away from the outer cylinder to form a buffer space;

the convex parts are arranged on the fold body at intervals and are protruded towards the direction away from the outer cylinder relative to the fold body, a buffer cavity communicated with the buffer space is formed in the hollow part of the convex parts, and the convex parts are connected with the fold body between the convex parts to form a corrugated structure;

the corrugated structures are arranged at two sides of the first axis, and the first axis extends along the vertical direction and is connected with the central axis of the dock seal.