CN109208244B - Washing machine barrel assembly and washing machine - Google Patents

Washing machine barrel assembly and washing machine Download PDF

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Publication number
CN109208244B
CN109208244B CN201710552618.2A CN201710552618A CN109208244B CN 109208244 B CN109208244 B CN 109208244B CN 201710552618 A CN201710552618 A CN 201710552618A CN 109208244 B CN109208244 B CN 109208244B
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China
Prior art keywords
wall
cylinder
barrel
drum
washing machine
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CN201710552618.2A
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CN109208244A (en
Inventor
许升
吕艳芬
李以民
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Qingdao Haier Washing Electric Appliance Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Electric Appliance Co Ltd
Haier Smart Home Co Ltd
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Priority to CN201710552618.2A priority Critical patent/CN109208244B/en
Publication of CN109208244A publication Critical patent/CN109208244A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005Methods for washing, rinsing or spin-drying
    • D06F35/008Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26Casings; Tubs
    • D06F37/267Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups

Abstract

The invention discloses a washing machine barrel assembly, which comprises an inner barrel and an outer barrel, wherein a convex part is arranged on the inner wall of the outer barrel or the outer wall of the inner barrel, and a gap between the convex part and the outer wall of the inner barrel or between the convex part and the inner wall of the outer barrel is changed; and/or the inner wall of the outer cylinder or the outer wall of the inner cylinder is inwards sunken to form a concave part, and the gap between the concave part and the outer wall of the inner cylinder or the gap between the concave part and the inner wall of the outer cylinder is changed. According to the invention, the convex part or the concave part is arranged on the outer wall of the inner cylinder or the inner wall of the outer cylinder, so that a gap difference is locally generated between the inner cylinder and the outer cylinder, and the Bernoulli effect is utilized to locally increase or reduce the water flow between the inner cylinder and the outer cylinder instantly to generate sloshing between the cylinder walls, so that the water flow force beating the inner cylinder wall and the outer cylinder wall is enhanced, and the aim of scouring the inner cylinder wall and the outer cylinder wall is fulfilled. The invention also provides a washing machine with the barrel assembly.

Description

Washing machine barrel assembly and washing machine
Technical Field
The invention relates to the field of washing machines, in particular to a washing machine barrel assembly and a washing machine with the same.
Background
In the prior art, the cleaning of the inner and outer drums of a washing machine includes a plurality of different ways, which are based on different principles, such as:
the invention discloses a drum washing machine and a control method thereof with the application number of 201510458758.4, and relates to the technical field of washing equipment. The roller washing machine comprises an outer barrel and an inner barrel, and comprises a spraying device, wherein the spraying device is used for spraying water in the outer barrel to the outer wall of the inner barrel and/or the inner wall of the outer barrel in a washing and/or rinsing stage. The drum washing machine provided in the patent is provided with a spraying device, water in an outer barrel can be sprayed to the outer wall of an inner barrel and/or the inner wall of the outer barrel in the washing and/or rinsing stage, the water mixed with detergent directly washes the outer wall of the inner barrel and/or the inner wall of the outer barrel, and the barrel can be thoroughly cleaned by matching with the rotation of the inner barrel. However, in order to achieve the cleaning, a spraying device is required, so that the structure of the washing machine is complicated, and the internal space of the washing machine is occupied.
The invention patent with application number 201510036866.2 discloses a washing machine outer barrel and a washing machine, and belongs to the field of washing machines and accessories thereof. The outer barrel of the washing machine comprises a barrel body with an opening at one end, a groove for placing a heating pipe is formed in the wall of the barrel body, at least one strip-shaped convex rib is arranged on the inner side surface of the barrel body close to the groove, and the extending direction of the convex rib is from the opening end of the outer barrel to the bottom end of the outer barrel. The washing machine comprises an inner barrel and the outer barrel, wherein the outer barrel is sleeved on the outer side of the inner barrel, and the height of each convex rib is smaller than the distance between the inner barrel and the outer barrel. The outer barrel of the washing machine can enable water flow to generate a certain vortex to wash the interior of the groove vigorously, so that detergent is prevented from being accumulated and remained in the groove. In this patent, although the medial surface at the urceolus is provided with banding protruding muscle, this protruding muscle is small in quantity, and just is used for producing the rivers that wash away to the recess inside, can't realize carrying out comprehensive washing and rinsing to whole inner tube and urceolus.
The invention patent with application number 201611272366.X discloses a washing machine inner drum structure, the inner cylinder structure comprises an outer cylinder body (1) and an inner cylinder body (2), the inner cylinder body (2) is rotatably arranged in the outer cylinder body (1), the inner wall of the outer cylinder body (1) is provided with a movable groove (11), the movable groove (11) is at least provided with an upward convex wave crest or a downward convex wave trough, a plurality of moving assemblies (3) are movably arranged on the inner cylinder body (2), a connecting part (32) is arranged on each moving assembly (3), one end of each connecting part (32) is positioned in the corresponding moving groove (11) so that the connecting parts (32) move along the moving grooves (11) when the inner cylinder body (2) rotates, the invention solves the technical problems of poor washing effect and residual dirt of the inner barrel of the existing washing machine. However, the moving assembly in the patent is arranged on the inner drum of the washing machine, the structure is complex, the moving assembly is easy to damage and even cause safety accidents in the high-speed rotation of the washing machine, and the effect of cleaning dirt is general.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a washing machine barrel assembly, wherein bulges or grooves are arranged on the outer wall of an inner barrel or the inner wall of an outer barrel, so that a gap difference is locally generated between the inner barrel and the outer barrel, the water flow between the inner barrel and the outer barrel is locally increased or reduced instantly by utilizing the Bernoulli effect, and the surging is generated between the barrel walls, so that the water flow force beating the inner barrel wall and the outer barrel wall is enhanced, and the aim of scouring the inner barrel wall and the outer barrel wall is fulfilled.
In order to solve the technical problems, the invention adopts the technical scheme that the basic concept is as follows:
a washing machine barrel assembly comprises an inner barrel and an outer barrel, wherein a convex part is arranged on the inner wall of the outer barrel or the outer wall of the inner barrel, and a gap between the convex part and the outer wall of the inner barrel or between the convex part and the inner wall of the outer barrel is changed;
and/or the inner wall of the outer cylinder or the outer wall of the inner cylinder is inwards sunken to form a concave part, and the gap between the concave part and the outer wall of the inner cylinder or the gap between the concave part and the inner wall of the outer cylinder is changed.
In the scheme, the convex part or the concave part is arranged on the outer wall of the inner barrel or the inner wall of the outer barrel, so that the gap difference is locally generated between the inner barrel and the outer barrel, the Bernoulli effect is utilized to locally increase or reduce the water flow between the inner barrel and the outer barrel instantly, the surging is generated between the barrel walls, the water flow force beating the inner barrel wall and the outer barrel wall is enhanced, and the purpose of scouring the inner barrel wall and the outer barrel wall is achieved.
Preferably, the wall of the inner cylinder is provided with a through hole communicated to the inner space of the inner cylinder, so that the inner and outer cylinders are better cleaned: according to the Bernoulli effect, the flow velocity of the fluid changes at the position where the gap between the inner cylinder and the outer cylinder changes, when the speed of the fluid is accelerated, the pressure on the interface of the cylinder wall of the inner cylinder and the fluid is reduced, otherwise, the pressure is increased, so that the pressure of the fluid inside and outside the inner cylinder on the cylinder wall of the inner cylinder is different, the fluid can enter and exit the inner cylinder through the through holes on the inner cylinder, active water flow is formed, the cylinder walls of the inner cylinder and the outer cylinder are washed and cleaned, and the cleaning effect is improved.
Preferably, the through holes on the inner cylinder are distributed on the whole circumferential surface of the inner cylinder along the axial direction of the inner cylinder.
Preferably, the convex parts are a plurality of bulges arranged on the inner wall of the outer cylinder, and the bulges are distributed on the inner wall of the outer cylinder along the circumferential direction of the outer cylinder;
or the convex parts are a plurality of bulges arranged on the outer wall of the inner cylinder, and the bulges are distributed on the outer wall of the inner cylinder along the circumferential direction of the inner cylinder.
In the scheme, the protrusions are distributed along the outer barrel or the circumferential direction of the inner barrel, so that the flow of active water in the circumferential direction of the inner barrel and the outer barrel is increased, and the cleaning efficiency is improved.
Of course, the inner wall of the outer cylinder can be provided with the protrusions, and part of the surface of the outer wall of the inner cylinder is also provided with the protrusions corresponding to the annular surface with the height of the protrusions, so that when the inner cylinder rotates and is located at the opposite position, the gap between the inner cylinder and the outer cylinder is smaller, the water flow activity is higher, and the cleaning effect is good.
In fact, the active water flow formed between the inner cylinder and the outer cylinder has the effect of assisting in washing clothes, and the active water flow between the inner cylinder and the outer cylinder quickly flows into the inner cylinder from the through holes on the inner cylinder to wash and wash the periphery of each clothes in the inner cylinder.
Preferably, in order to improve the washing and cleaning effect on the outer wall of the inner cylinder and the inner wall of the outer cylinder, the through holes are formed in the bulges on the outer wall of the inner cylinder, and the bulges are the positions with the maximum water flow activity, so that the through holes are formed in the positions, which are favorable for water flow to enter and exit the through holes, and the cleaning of the inner cylinder and the outer cylinder is improved.
Preferably, the protrusions on the outer wall of the inner cylinder are distributed on the whole height surface of the outer wall of the inner cylinder in the direction parallel to the axis of the inner cylinder;
or the bulges on the inner wall of the outer cylinder are distributed on the whole height surface of the inner wall of the outer cylinder corresponding to the surface of the inner cylinder in the direction parallel to the axis of the inner cylinder.
In the scheme, the bulges are distributed on the whole height surface of the outer wall of the inner barrel, so that the inner wall of the outer barrel can be cleaned comprehensively, and when the bulge structures are arranged on the whole height surface of the inner wall of the outer barrel corresponding to the surface of the inner barrel, the inner wall of the inner barrel can be cleaned and descaled comprehensively.
Preferably, each bulge on the inner wall of the outer cylinder/the outer wall of the inner cylinder is of a blocky structure, and the bulges of each blocky structure are uniformly distributed on the inner wall of the outer cylinder/on the outer wall of the inner cylinder;
in the above-mentioned scheme, because the principle of cleaning the inner and outer drums of the washing machine by designing the protrusions is not realized by fluctuating water flow, the protrusions can be completely arranged into a block-shaped structure. The blocky bulges are easily and uniformly arranged on the outer wall of the inner barrel or the inner wall of the outer barrel, so that the effect of comprehensively cleaning the inner barrel and the outer barrel can be achieved. Therefore, in the invention, preferably, the inner wall of the outer cylinder of the washing machine is uniformly distributed with small block-shaped bulges, or the outer wall of the inner cylinder of the washing machine is uniformly distributed with small block-shaped bulges, so that the aim of completely cleaning the inner cylinder and the outer cylinder of the washing machine can be achieved, and in order to further enhance the cleaning effect, the bulges on the outer wall of the inner cylinder are provided with through holes, so that the exchange of washing water inside and outside the inner cylinder is facilitated, and the cleaning effect is improved.
Preferably, the protrusions comprise one or more of spherical protrusions, ellipsoidal protrusions and bump-shaped protrusions.
Preferably, the bulges or the grooves are in smooth transition with the outer wall of the inner cylinder or the inner wall of the outer cylinder.
Preferably, each protrusion on the inner wall of the outer cylinder/the outer wall of the inner cylinder is a block structure, the protrusions of each block structure form a plurality of rows of protrusions arranged in a strip shape, and each row of protrusions is parallel to the axis of the inner cylinder or forms a certain included angle with the axis of the inner cylinder. In the above scheme, each protrusion is arranged in a strip shape and forms a certain included angle with the axis of the inner barrel, so that the cluster advantage is favorably formed, the local active water flow formed by the previous protrusion assists the adjacent next protrusion to form the active water flow.
Preferably, each protrusion on the inner wall of the outer cylinder/the outer wall of the inner cylinder is of a strip-shaped structure, and the protrusions of each strip-shaped structure are distributed on the inner wall of the outer cylinder/the outer wall of the inner cylinder along the circumferential direction;
in the scheme, the plurality of protrusions with strip structures are uniformly arranged along the circumferential direction of the inner wall of the outer cylinder/the outer wall of the inner cylinder, so that the inner cylinder and the outer cylinder are washed for multiple times when rotating for one circle, and the cleaning efficiency is improved.
Preferably, each protrusion on the inner wall of the outer cylinder/the outer wall of the inner cylinder is a strip-shaped convex rib structure, and the convex rib structure is arranged in parallel with the axis of the inner cylinder, or the convex rib structure is obliquely arranged to form a certain included angle with the axis of the inner cylinder;
preferably, the included angle between the convex rib structure and the axis of the inner cylinder is 10-45 degrees, preferably, the convex rib structure is in the same height range with the cylinder wall of the inner cylinder in the longitudinal direction, so that the effect of comprehensively cleaning the inner cylinder and the outer cylinder can be achieved, when the convex rib structure which is in the same height range with the cylinder wall of the inner cylinder is arranged on the inner wall of the outer cylinder, active water flows are sequentially formed on the outer wall of the inner cylinder, which sequentially corresponds to the convex rib structure on the outer cylinder, in the rotating process of the inner cylinder, and therefore the whole outer wall of the inner cylinder is comprehensively cleaned. Similarly, along the axial direction parallel of inner tube or be the protruding muscle structure of setting up of certain contained angle on the outer wall of inner tube, this protruding muscle structure distributes on the whole high face of the outer wall of inner tube in the axial, then at the rotatory a week back of inner tube, is formed with active rivers in proper order on the surface of the inner wall a week of urceolus to can carry out once comprehensive washing to the inner wall of urceolus.
Of course, by arranging the N convex rib structures on the outer cylinder, the outer wall of the inner cylinder can be comprehensively cleaned for N times in the process of rotating the inner cylinder for one circle, and vice versa.
Preferably, the bottom end of the rib structure is connected with the inner wall of the outer cylinder/the outer wall of the inner cylinder, two side faces of the rib structure along the axial direction of the inner cylinder are two inclined faces which are gradually inclined and closed from the inner wall of the outer cylinder/the outer wall of the inner cylinder inwards, and the distance between the inner surface of the rib structure, which is over against the outer wall of the inner cylinder/the inner wall of the outer cylinder, and the outer wall of the inner cylinder/the inner wall of the outer cylinder is equal to the distance between the inner surface of the rib structure and the inner wall of the outer cylinder at different heights along the axial direction.
In the above scheme, the arrangement of the rib structure changes the gap between the inner cylinder and the outer cylinder, and the structure of the rib structure is designed to be beneficial to fluctuating water flow, so that the fluctuating water flow is increased for cleaning dirt of the inner cylinder and the outer cylinder, and the fluctuating water flow and the active water flow jointly act on the outer wall of the inner cylinder and the inner wall of the outer cylinder to achieve better cleaning effect.
Preferably, the concave parts are a plurality of grooves which are arranged on the inner wall of the outer cylinder and are concave towards the outer part of the outer cylinder, or the concave parts are a plurality of grooves which are arranged on the outer wall of the inner cylinder and are concave towards the inner part of the inner cylinder;
in the above scheme, realize changing the clearance between the interior urceolus and have the same beneficial effect with setting up the bulge through setting up the recess, in addition, through setting up the recess, then the local clearance that has increased inner tube and urceolus is favorable to holding more washing water in this groove, thereby more washing water erodees between the inner and outer urceolus and has reached better cleaning performance.
It should be noted that the grooves formed in the outer wall of the inner drum of the washing machine are easy to accumulate dirt and not easy to clean, so that the grooves are provided with through holes communicated with the inside of the inner drum, and the grooves formed in the outer wall of the inner drum are easy to wash and clean.
Preferably, the groove is a spherical groove or a strip-shaped groove;
preferably, the grooves are spherical grooves, and the spherical grooves are uniformly distributed on the inner wall of the outer cylinder or the outer wall of the inner cylinder;
preferably, the groove is a bar groove, the bar groove is parallel to the axis of the inner cylinder and is uniformly distributed on the inner wall of the outer cylinder or the outer wall of the inner cylinder, or the bar groove is obliquely and uniformly distributed on the inner wall of the outer cylinder or the outer wall of the inner cylinder and forms a certain included angle with the axis of the inner cylinder.
Preferably, the profile of the projection or the groove, which is cut by a plane perpendicular to the axis of the inner cylinder, is one of arc, trapezoid, triangle and quadrilateral, and is preferably arc.
Preferably, in the invention, each protrusion or groove is in smooth transition with the outer wall of the corresponding inner cylinder or the inner wall of the outer cylinder, the outer end part of the protrusion on the outer wall of the inner cylinder protrudes outwards towards the outer cylinder, and the outer end part of the protrusion on the inner wall of the outer cylinder protrudes outwards towards the inner cylinder.
Preferably, the inner wall of the outer cylinder is provided with a bulge, the outer wall of the inner cylinder is provided with a groove corresponding to the bulge on the same height surface, and when the bulge and the groove are opposite, the gap between the bulge and the groove is gradually enlarged and then reduced or gradually reduced and then enlarged; the two profiles formed by cutting the bulge on the inner wall of the outer cylinder and the groove on the outer wall of the inner cylinder at the same height as the bulge by the same plane vertical to the axis of the inner cylinder are all one of annular arc, trapezoid, triangle and quadrilateral, preferably arc, and the curvature radius of the arc profile formed by cutting the groove by the plane is different from that of the bulge profile.
Another object of the present invention is to provide a washing machine having the above washing machine drum assembly, which can be a pulsator washing machine, a drum washing machine or other washing equipment.
By adopting the technical scheme, the invention has the following beneficial effects:
1. according to the invention, the outer wall of the inner barrel or the inner wall of the outer barrel is provided with the bulge or the groove, so that a gap difference is locally generated between the inner barrel and the outer barrel, the Bernoulli effect is utilized to locally increase or reduce the water flow between the inner barrel and the outer barrel instantly, and the agitation is generated between the barrel walls, so that the water flow force beating the inner barrel wall and the outer barrel wall is enhanced, and the purpose of scouring the inner barrel wall and the outer barrel wall is achieved.
2. In the invention, the outer wall of the inner cylinder and the inner wall of the outer cylinder are/is uniformly distributed with the bulges, so that the outer wall of the inner cylinder and the inner wall of the outer cylinder can be comprehensively cleaned, wherein the bulges can be of block structures or strip structures; when protruding for protruding muscle structure, protruding muscle structure distributes on the high face of whole inner tube height face or urceolus outer wall correspondence inner tube, this protruding muscle structure can include many, protruding muscle structure is more, then the inner tube rotates a week more to the washing number of times of inner tube and urceolus every time, thereby cleaning efficiency has been improved, the preferred structure is, all be provided with protruding muscle structure on the outer wall of inner tube and the inner wall of urceolus, then the picture muscle structure on the inner tube is favorable to wasing the urceolus inner wall comprehensively, and protruding muscle structure on the inner wall of urceolus is favorable to carrying out comprehensive washing to the outer wall of inner tube.
3. In the invention, the through holes are arranged on the bulges or the grooves on the outer wall of the inner cylinder, which is favorable for realizing the exchange of water flow inside and outside the inner cylinder, and the inner cylinder and the outer cylinder, especially the outer wall of the inner cylinder, are strongly washed, so that the cleaning efficiency is high. (according to Bernoulli effect, the speed of the fluid changes at the position of the convex or concave groove structure, and the pressure of the fluid inside and outside the inner cylinder is different, so that active water flow is formed:
the washing water is exchanged between the inside and the outside of the inner cylinder through the through hole, thereby achieving the purpose of cleaning).
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view showing a structure of a projection on an inner wall of an outer cylinder;
FIG. 2 is a schematic view showing a structure in which protrusions are formed on the inner wall of the outer cylinder in a stripe shape;
FIG. 3 is a schematic view showing a block-shaped structure of the protrusion on the inner wall of the outer cylinder;
FIG. 4 is a top view of the cartridge assembly;
fig. 5 is an enlarged view of a portion a in fig. 4.
In the figure: 1. an outer tub; 2. an inner barrel; 3. and (4) protruding.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the invention provides a washing machine drum assembly, comprising an inner drum 2 and an outer drum 1, wherein the inner wall of the outer drum 1 or the outer wall of the inner drum 2 is provided with a convex part, and the gap between the convex part and the outer wall of the inner drum 2 or the gap between the convex part and the inner wall of the outer drum 1 is changed;
and/or the inner wall of the outer cylinder 1 or the outer wall of the inner cylinder 2 is inwards sunken to form a concave part, and the clearance between the concave part and the outer wall of the inner cylinder 2 or between the concave part and the inner wall of the outer cylinder 1 is changed.
In the scheme, the convex part or the concave part is arranged on the outer wall of the inner cylinder 2 or the inner wall of the outer cylinder 1, so that a gap difference is locally generated between the inner cylinder 1 and the outer cylinder 1, the Bernoulli effect is utilized to locally increase or reduce the water flow between the inner cylinder 2 and the outer cylinder 1 instantly, and the surging is generated between the cylinder walls, so that the water flow force beating the wall of the inner cylinder 1 and the wall of the outer cylinder 1 is enhanced, and the aim of scouring the wall of the inner cylinder 1 and the wall of the outer cylinder 1 is fulfilled.
Preferably, the wall of the inner cylinder 2 is provided with a through hole communicated to the inner space of the inner cylinder 2, so that the inner and outer cylinders 1 are better cleaned: according to the Bernoulli effect, the flow velocity of the fluid changes at the position where the gap between the inner cylinder and the outer cylinder 1 changes, when the speed of the fluid is accelerated, the pressure on the interface of the cylinder wall of the inner cylinder 2 contacted with the fluid is reduced, otherwise, the pressure is increased, so that the pressure of the fluid inside and outside the inner cylinder 2 on the cylinder wall of the inner cylinder 2 is different, the fluid can enter and exit the inner cylinder 2 through the through holes on the inner cylinder 2, active water flow is formed, the cylinder walls of the inner cylinder and the outer cylinder 1 are washed and cleaned, and the cleaning effect is improved.
Preferably, the through holes on the inner cylinder 2 are distributed on the whole circumferential surface of the inner cylinder 2 along the axial direction of the inner cylinder 2.
Preferably, the convex parts are a plurality of bulges 3 arranged on the inner wall of the outer cylinder 1, and the bulges 3 are distributed on the inner wall of the outer cylinder 1 along the circumferential direction of the outer cylinder 1;
or the convex parts are a plurality of bulges 3 arranged on the outer wall of the inner cylinder 2, and the bulges 3 are distributed on the outer wall of the inner cylinder 2 along the circumferential direction of the inner cylinder 2.
In the above scheme, the distribution of the protrusions 3 along the circumferential direction of the outer cylinder 1 or the inner cylinder 2 increases the flow of the active water in the circumferential direction of the inner cylinder 2 and the outer cylinder 1, and improves the cleaning efficiency.
Certainly, the inner wall of the outer cylinder 1 can also be provided with the protrusions 3, and part of the surface of the ring surface of the outer wall of the inner cylinder 2 corresponding to the height of the protrusions 3 is also provided with the protrusions 3, so that when the inner cylinder 2 rotates and is in a relative position, the gap between the inner cylinder 1 and the outer cylinder is smaller, the water flow activity is higher, and the cleaning effect is good.
In fact, in the present invention, the active water flow formed between the inner and outer drums 1 also has the effect of assisting in washing the clothes, and the active water flow between the inner and outer drums rapidly flows into the inner drum 2 through the through holes on the inner drum 2, so as to wash the outer periphery of each clothes in the inner drum 2.
Preferably, in order to improve the washing and cleaning effect on the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1, the through holes are formed in the bulges 3 on the outer wall of the inner barrel 2, and because the positions of the bulges 3 are the positions with the maximum water flow activity, the through holes are formed at the positions, so that water flows in and out of the through holes, and the inner barrel 2 and the outer barrel 1 are cleaned. Wherein, the bulge on the inner cylinder is formed by the outward bulge of the inner cylinder wall.
Preferably, the protrusions 3 on the outer wall of the inner cylinder 2 are distributed on the whole height surface of the outer wall of the inner cylinder 2 in the direction parallel to the axis of the inner cylinder 2;
or the protrusions 3 on the inner wall of the outer cylinder 1 are distributed on the inner wall of the outer cylinder 1 over the entire height plane corresponding to the surface of the inner cylinder 2 in the direction parallel to the axis of the inner cylinder 2.
In the above scheme, each protrusion 3 is distributed on the whole height surface of the outer wall of the inner barrel 2, so that the inner wall of the outer barrel 1 can be cleaned comprehensively, and when the protrusion 3 structure is arranged on the whole height surface of the inner wall of the outer barrel 1 corresponding to the surface of the inner barrel 2, the inner wall of the inner barrel 2 can be cleaned and descaled comprehensively.
Preferably, each protrusion 3 on the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2 is a block structure, and as shown in fig. 3, each protrusion 3 of the block structure is uniformly distributed on the inner wall of the outer cylinder 1/on the outer wall of the inner cylinder 2;
in the above-mentioned solution, since the principle of the present invention that the protrusions 3 are designed to clean the inner and outer tubs 1 of the washing machine is not realized by the fluctuating water flow, the protrusions 3 thereof may be completely provided in a block structure. The block-shaped protrusions 3 are easily and uniformly arranged on the outer wall of the inner cylinder 2 or the inner wall of the outer cylinder 1, so that the effect of cleaning the inner and outer cylinders 1 in a complete way can be achieved. Therefore, in the present invention, preferably, the inner wall of the outer cylinder 1 of the washing machine is uniformly covered with the small block-shaped protrusions 3, or the outer wall of the inner cylinder 2 of the washing machine is uniformly covered with the small block-shaped protrusions 3, so as to achieve the purpose of cleaning the inner and outer cylinders 1 of the washing machine, and in order to further enhance the cleaning effect, the protrusions 3 on the outer wall of the inner cylinder 2 are provided with through holes, so as to facilitate the exchange of the washing water between the inside and the outside of the inner cylinder 2, and improve the cleaning effect.
Preferably, the protrusions 3 include one or more of spherical protrusions 3, ellipsoidal protrusions 3, and bump-shaped protrusions 3.
Preferably, the protrusions 3 or the grooves are smoothly transited with the outer wall of the inner cylinder 2 or the inner wall of the outer cylinder 1.
Preferably, each protrusion 3 on the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2 is a block structure, the protrusions 3 of each block structure form a plurality of rows of protrusions 3 arranged in a strip shape, and each row of protrusions 3 is parallel to or forms a certain included angle with the axis of the inner cylinder 2. In the above scheme, each protrusion 3 is arranged in a strip shape and forms a certain included angle with the axis of the inner barrel 2, so that the cluster advantage is favorably formed, the local active water flow formed by the previous protrusion 3 assists the adjacent next protrusion 3 to form the active water flow.
Preferably, as shown in fig. 1 and fig. 2, each protrusion 3 on the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2 is a strip-shaped structure, and the protrusions 3 of each strip-shaped structure are distributed on the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2 along the circumferential direction;
in the above scheme, the plurality of protrusions 3 with strip-shaped structures are uniformly arranged along the circumferential direction of the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2, so that when the inner cylinder 2 rotates for one circle, the inner cylinder 1 and the outer cylinder 1 are washed for a plurality of times, and the cleaning efficiency is improved.
Preferably, each protrusion 3 on the inner wall of the outer cylinder 1/the outer wall of the inner cylinder 2 is a strip-shaped convex rib structure, and the convex rib structure is arranged in parallel with the axis of the inner cylinder 2 (see fig. 1), or the convex rib structure is obliquely arranged to form a certain included angle with the axis of the inner cylinder 2 (see fig. 2);
preferably, the included angle between the convex rib structure and the axis of the inner cylinder 2 is 10 degrees to 45 degrees, preferably, the convex rib structure is in the same height range with the cylinder wall of the inner cylinder 2 in the longitudinal direction, so that the effect of comprehensively cleaning the inner cylinder 2 and the outer cylinder 1 can be achieved, when the convex rib structure which is in the same height range with the cylinder wall of the inner cylinder 2 is arranged on the inner wall of the outer cylinder 1, in the rotating process of the inner cylinder 2, active water flow is sequentially formed on the outer wall of the inner cylinder 2, which sequentially corresponds to the convex rib structure on the outer cylinder 1, respectively, and therefore the whole outer wall of the inner cylinder 2 is comprehensively cleaned. In the same way, along the axial direction parallel of inner tube 2 or be the protruding muscle structure of setting up of certain contained angle on the outer wall of inner tube 2, this protruding muscle structure distributes on the whole high face of the outer wall of inner tube 2 in the axial, then after 2 rotatory a week of inner tube, is formed with active rivers in proper order on the surface of the inner wall a week of outer tube 1 to can carry out once comprehensive washing to the inner wall of outer tube 1.
Of course, by arranging the N convex rib structures on the outer cylinder 1, the outer wall of the inner cylinder 2 can be cleaned completely for N times in the process that the inner cylinder 2 rotates for one circle, and vice versa.
Preferably, the bottom end of the rib structure is connected with the inner wall of the outer barrel 1/the outer wall of the inner barrel 2, two axial side faces of the rib structure along the inner barrel 2 are two inclined planes which are gradually inclined inwards from the outer wall of the inner wall of the outer barrel 1/the outer wall of the inner barrel 2, and the distance between the inner surface of the rib structure, which is over against the outer wall of the inner barrel 2/the inner wall of the outer barrel 1, and the inner surface of the rib structure and the outer wall of the inner wall of the outer barrel 1/the outer wall of the inner barrel 2 in different axial heights is equal.
In the above scheme, the arrangement of the rib structure not only changes the gap between the inner barrel 1 and the outer barrel 1, but also the structure is designed to be beneficial to the fluctuating water flow, so that the fluctuating water flow is increased for cleaning the dirt of the inner barrel 1 and the dirt of the outer barrel 1, and the fluctuating water flow and the active water flow jointly act on the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1, so that the cleaning effect is better.
Preferably, the inner wall of the outer cylinder 1 is provided with a plurality of grooves which are sunken towards the outside of the outer cylinder 1, or the outer wall of the inner cylinder 2 is sunken towards the inside of the inner cylinder 2 at a plurality of positions to form grooves;
in above-mentioned scheme, realize changing the clearance between the interior urceolus 1 and set up the bulge through setting up the recess and have the same beneficial effect, in addition, through setting up the recess, then the local clearance that has increased inner tube 2 and urceolus 1 is favorable to holding more washing water at this groove, thereby more washing water erodees between interior urceolus 1 and has reached better cleaning performance.
It should be noted that the outer wall of the inner drum 2 of the washing machine is provided with a groove which is easy to accumulate dirt and is not easy to clean, so that the groove is provided with a through hole communicated with the inside of the inner drum 2, and the groove on the outer wall of the inner drum 2 is beneficial to washing and cleaning.
Preferably, the groove is a spherical groove or a strip-shaped groove;
preferably, the grooves are spherical grooves, and the spherical grooves are uniformly distributed on the inner wall of the outer cylinder 1 or the outer wall of the inner cylinder 2;
preferably, the recess be the bar recess, bar recess and the axis parallel arrangement of inner tube 2, and even distribution on the inner wall of urceolus 1 or on the outer wall of inner tube 2, or bar recess slant evenly distributed on the inner wall of urceolus 1 or on the outer wall of inner tube 2, become certain contained angle with the axis of inner tube 2.
Preferably, the profile of the projection 3 or the groove cut by a plane perpendicular to the axis of the inner cylinder 2 is one of arc, trapezoid, triangle and quadrilateral, and is preferably arc.
Preferably, in the invention, each protrusion 3 or groove is in smooth transition with the outer wall of the corresponding inner cylinder 2 or the inner wall of the corresponding outer cylinder 1, the outer end part of the protrusion 3 on the outer wall of the inner cylinder 2 protrudes outwards towards the outer cylinder 1, and the outer end part of the protrusion 3 on the inner wall of the outer cylinder 1 protrudes outwards towards the inner cylinder 2.
Preferably, the inner wall of the outer cylinder 1 is provided with a protrusion 3, the outer wall of the inner cylinder 2 is provided with a groove on the same height surface corresponding to the protrusion 3, and when the protrusion 3 and the groove are opposite, the gap between the protrusion 3 and the groove is gradually enlarged and then reduced or gradually reduced and then enlarged; the two profiles of the bulge 3 on the inner wall of the outer cylinder 1 and the groove which is arranged on the outer wall of the inner cylinder 2 and has the same height with the bulge 3 and is cut by the same plane vertical to the axis of the inner cylinder 2 are all one of annular arc, trapezoid, triangle and quadrilateral, preferably arc, and the curvature radius of the arc profile formed by cutting the groove by the plane is different from that of the bulge 3.
The invention also provides a washing machine with the washing machine barrel assembly, which can be a pulsator washing machine, a roller washing machine or other washing equipment.
According to the washing machine, the protrusions 3 or the grooves are arranged on the outer wall of the inner barrel 2 or the inner wall of the outer barrel 1, so that a gap difference is locally generated between the inner barrel 1 and the outer barrel 1, the Bernoulli effect is utilized to enable water flow between the inner barrel 2 and the outer barrel 1 to be locally increased or reduced instantly, and the agitation is generated between barrel walls, so that the water flow force beating the walls of the inner barrel 1 and the outer barrel 1 is enhanced, and the aim of scouring the walls of the inner barrel 1 and the outer barrel 1 is fulfilled.
The washing machine of the invention can carry out overall cleaning on the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1 by uniformly distributing the bulges 3 on the outer wall of the inner barrel 2 and/or the inner wall of the outer barrel 1, wherein, the bulges 3 can be of a block structure or a strip structure, when the bulges are of the block structure, the blocky bulges 3 can be uniformly distributed on the inner wall of the inner barrel 2 or the outer wall of the outer barrel 1, thereby forming a plurality of active water flows between the inner barrel 1 and the outer barrel 1, and the cleaning effect is good; when protruding 3 is protruding muscle structure, protruding muscle structure distributes on the high face that corresponds inner tube 2 on whole inner tube 2 high face or urceolus 1 outer wall, this protruding muscle structure can include many, protruding muscle structure is more, then inner tube 2 rotates a week more to the washing number of times of inner tube 2 and urceolus 1 every time, thereby cleaning efficiency has been improved, the preferred structure is, all be provided with protruding muscle structure on the outer wall of inner tube 2 and the inner wall of urceolus 1, then the picture muscle structure on the inner tube 2 is favorable to carrying out comprehensive washing to urceolus 1 inner wall, and protruding muscle structure on the inner wall of urceolus 1 is favorable to carrying out comprehensive washing to the outer wall of inner tube 2.
According to the invention, the through holes are formed in the bulges 3 or the grooves on the outer wall of the inner barrel 2, so that the exchange of water flow inside and outside the inner barrel 2 is favorably realized, the inner barrel 2 and the outer barrel 1, particularly the outer wall of the inner barrel 2, are strongly washed, and the cleaning efficiency is high. (according to the Bernoulli effect, the speed of the fluid changes at the position of the protrusion 3 or the groove structure, and the pressure intensity of the fluid inside and outside the inner cylinder 2 is different, so that active water flow is formed, and the washing water is exchanged inside and outside the inner cylinder 2 through the through hole, so that the cleaning purpose is achieved).
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. A washing machine barrel assembly comprises an inner barrel and an outer barrel and is characterized in that a bulge is arranged on the inner wall of the outer barrel or the outer wall of the inner barrel, and a gap between the bulge and the outer wall of the inner barrel or between the bulge and the inner wall of the outer barrel is changed;
and/or the inner wall of the outer cylinder or the outer wall of the inner cylinder is inwards sunken to form a concave part, and the gap between the concave part and the outer wall of the inner cylinder or the gap between the concave part and the inner wall of the outer cylinder is changed;
a through hole is arranged on a bulge or a concave part of the outer wall of the inner cylinder;
each bulge is arranged in a strip shape and forms a certain included angle with the axis of the inner cylinder; the concave part is a spherical groove or a strip-shaped groove;
each protrusion is a strip-shaped convex rib structure, the convex rib structure is arranged in parallel with the axis of the inner cylinder, or the convex rib structure is obliquely arranged to form a certain included angle with the axis of the inner cylinder, and the convex rib structure is in the same height range with the cylinder wall of the inner cylinder in the longitudinal direction; the strip-shaped groove is arranged in parallel with the axis of the inner cylinder or forms a certain included angle with the axis of the inner cylinder;
the bottom end of the convex rib structure is connected with the inner wall of the outer barrel/the outer wall of the inner barrel, two side faces of the convex rib structure along the axial direction of the inner barrel are two inclined planes which are gradually inclined and closed from the inner wall of the outer barrel/the outer wall of the inner barrel inwards, and the distances between the inner surface of the convex rib structure, which is over against the outer wall of the inner barrel/the inner wall of the outer barrel, and the inner wall of the outer barrel/the outer wall of the inner barrel on different heights along the axial direction are equal;
the profile of the convex part cut by a plane vertical to the axis of the inner cylinder is arc-shaped, the profile of the convex part and the concave part cut by a plane vertical to the axis of the inner cylinder is arc-shaped, and the curvature radius of the arc-shaped profile of the concave part cut by the plane is different from the curvature radius of the arc-shaped profile of the convex part cut by the plane.
2. A washing machine tub assembly as claimed in claim 1, wherein the protrusions are protrusions provided on the inner wall of the outer tub, the protrusions being distributed on the inner wall of the outer tub in a circumferential direction of the outer tub;
or the bulges are a plurality of bulges arranged on the outer wall of the inner cylinder, and the bulges are distributed on the outer wall of the inner cylinder along the circumferential direction of the inner cylinder.
3. A washing machine drum assembly according to claim 2, wherein the protrusions on the outer wall of the inner drum are distributed over the entire height of the outer wall of the inner drum in a direction parallel to the axis of the inner drum;
or the bulges on the inner wall of the outer cylinder are distributed on the whole height surface of the inner wall of the outer cylinder corresponding to the surface of the inner cylinder in the direction parallel to the axis of the inner cylinder.
4. A washing machine drum assembly according to claim 2, wherein the protrusions on the inner wall of the outer drum/the outer wall of the inner drum are block structures, and the protrusions of each block structure are evenly distributed on the inner wall of the outer drum/the outer wall of the inner drum.
5. A washing machine cartridge assembly as claimed in claim 4 wherein the projections comprise one or more of spherical projections, ellipsoidal projections and lug-like projections.
6. A washing machine drum assembly as claimed in claim 2 wherein each protrusion on the inner wall of the outer drum/outer wall of the inner drum is a block structure, the protrusions of each block structure form a plurality of rows of protrusions arranged in a strip, each row of protrusions being parallel to or at an angle to the axis of the inner drum.
7. A washing machine drum assembly according to claim 2, wherein the protrusions on the inner wall of the outer drum/outer wall of the inner drum are strip-like structures, and the protrusions of each strip-like structure are distributed on the inner wall of the outer drum/outer wall of the inner drum in the circumferential direction.
8. A washing machine drum assembly as claimed in claim 1 wherein the rib formation is angled at between 10 ° and 45 ° to the axis of the inner drum.
9. A washing machine drum assembly according to any of claims 1 to 8 wherein the recesses are grooves provided in the inner wall of the outer drum which are recessed towards the outside of the outer drum, or the recesses are grooves provided in the outer wall of the inner drum which are recessed towards the inside of the inner drum.
10. A washing machine cartridge assembly according to claim 9,
the grooves are spherical grooves, and the spherical grooves are uniformly distributed on the inner wall of the outer barrel or the outer wall of the inner barrel.
11. A washing machine cartridge assembly according to claim 9,
the grooves are strip-shaped grooves and are uniformly distributed on the inner wall of the outer barrel or the outer wall of the inner barrel, or the strip-shaped grooves are obliquely and uniformly distributed on the inner wall of the outer barrel or the outer wall of the inner barrel.
12. A washing machine having a washing machine cartridge assembly as claimed in any one of claims 1 to 11.
CN201710552618.2A 2017-07-07 2017-07-07 Washing machine barrel assembly and washing machine Active CN109208244B (en)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1611661A (en) * 2003-10-30 2005-05-04 松下电器产业株式会社 Washing machine
CN101333746A (en) * 2007-02-28 2008-12-31 三星电子株式会社 Washing machine improving washing efficiency
CN201495417U (en) * 2009-07-13 2010-06-02 吴艺凡 Turbulent-flow-type self-cleaning washing machine

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Publication number Priority date Publication date Assignee Title
DE4445669A1 (en) * 1994-12-21 1996-06-27 Aeg Hausgeraete Gmbh Washing drum for washing machine
JP2001293282A (en) * 2000-04-12 2001-10-23 Masahiro Murakami Washing machine with lift generation dewatering bin
DE102008009141A1 (en) * 2008-02-14 2009-08-27 BSH Bosch und Siemens Hausgeräte GmbH Laundry drum for a laundry treatment machine
CN105951363B (en) * 2016-06-16 2018-09-18 无锡小天鹅股份有限公司 Rotary drum washing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1611661A (en) * 2003-10-30 2005-05-04 松下电器产业株式会社 Washing machine
CN101333746A (en) * 2007-02-28 2008-12-31 三星电子株式会社 Washing machine improving washing efficiency
CN201495417U (en) * 2009-07-13 2010-06-02 吴艺凡 Turbulent-flow-type self-cleaning washing machine

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