CN110952269A - Drum washing machine - Google Patents

Drum washing machine Download PDF

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Publication number
CN110952269A
CN110952269A CN201811128706.0A CN201811128706A CN110952269A CN 110952269 A CN110952269 A CN 110952269A CN 201811128706 A CN201811128706 A CN 201811128706A CN 110952269 A CN110952269 A CN 110952269A
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CN
China
Prior art keywords
sealing
sealing ring
barrel
inner cylinder
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811128706.0A
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Chinese (zh)
Inventor
李敬德
张华成
杨飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Drum Washing Machine Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Drum Washing Machine Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Priority to CN201811128706.0A priority Critical patent/CN110952269A/en
Publication of CN110952269A publication Critical patent/CN110952269A/en
Pending legal-status Critical Current

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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
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26Casings; Tubs
    • D06F37/261Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/263Tubs made by a specially selected manufacturing process or characterised by their assembly from elements assembled from at least two elements connected to each other; Connecting or sealing means therefor
    • 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
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The invention discloses a drum washing machine, which comprises an inner drum and an outer drum, wherein the inner drum is sleeved in the outer drum, a sealing structure is arranged between the inner drum and the outer drum, the sealing structure divides the area between the inner drum and the outer drum into a sealing part and a communicating part, the sealing part is a sealed area, and the communicating part is communicated with the inner drum through a dehydration hole arranged on the wall of the inner drum. The invention adds a sealing structure between the inner cylinder and the outer cylinder, which isolates the direct contact of the washing water with the flange, the tripod and the motor shaft at the rear end of the inner cylinder, thoroughly solves the problems of dirt and corrosion, the washing water can not enter the sealing part, and reduces unnecessary water consumption.

Description

Drum washing machine
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a drum washing machine.
Background
The tripod is installed between inner tube washing machine inner tube and urceolus, is one of inner tube washing machine's important part, and inner tube washing machine's tripod generally adopts aluminium matter casting part among the prior art, and during the laundry, the inner tube is soaked in water completely, makes the tripod contact with sewage and filth for a long time, and the filth can accumulate on the tripod even, and sewage and filth produce the corruption to the tripod, and the difficulty is changed to the tripod position of locating, in case by the corruption damage back, need the staff to dismantle the organism, and work load is big.
In addition, dirt such as thread scraps, fluff and the like generated in the washing process are attached to the tripod and the inner cylinder flange, so that a lot of bacteria can be bred, the health of a user is harmed, and the user experience is influenced.
Chinese patent No. 201521131602.7 discloses that a sealing strip is provided between a flange and a tripod to solve the problem of accumulated dirt between the flange and the tripod, but the washing water also corrodes the tripod and the corrosion problem of the tripod cannot be completely solved.
Chinese patent No. 201610838923.3 discloses that a plastic sealing cover is provided on the outer side of a tripod, and the plastic sealing cover can also adsorb dirt and produce bacteria during washing, so that dirt on the tripod and the rear flange of the inner cylinder cannot be fundamentally removed.
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 an inner-barrel washing machine, which aims to isolate direct contact between washing water and a rear flange plate, a tripod, a motor shaft and the like of an inner barrel, thoroughly solve the problem of dirt and avoid corrosion of the tripod.
In order to solve the technical problems, the invention adopts the technical scheme that:
a roller washing machine comprises an inner barrel and an outer barrel, wherein the inner barrel is sleeved inside the outer barrel, a sealing structure is arranged between the inner barrel and the outer barrel and divides an area between the inner barrel and the outer barrel into a sealing part and a communicating part, the sealing part is a sealed area, and the communicating part is communicated with the inside of the inner barrel through a dewatering hole formed in the wall of the inner barrel.
Furthermore, the sealing structure is a ring-shaped structure extending along any section of the inner cylinder perpendicular to the axis, the inner circumference of the ring-shaped structure is sealed with the outer wall of the inner cylinder, and the outer circumference of the ring-shaped structure is sealed with the inner wall of the outer cylinder, so that the area between the inner cylinder and the outer cylinder is divided into a sealing part and a communicating part which are mutually isolated; preferably, an emergency water outlet is arranged in the sealing part and arranged at the periphery of the outer cylinder wall to communicate the sealing part with the outside.
Furthermore, the sealing structure comprises a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are annularly arranged on the outer wall of the inner barrel respectively, and are arranged on the inner wall of the outer barrel; preferably, the outer peripheral face of the first sealing ring is provided with at least one circle of groove which extends along the circumferential direction of the sealing ring and is recessed inwards along the radial direction of the sealing ring, the inner peripheral face of the second sealing ring is provided with convex ribs which are arranged in one-to-one correspondence with the grooves, each convex rib extends along the circumferential direction of the sealing ring and is inserted into the corresponding groove along the radial protrusion of the sealing ring, the outer surface of each convex rib is in contact with the inner wall of the corresponding groove in a laminating manner, and the contact surface of each convex rib and the corresponding groove in the rotating process of the inner.
Further, the cross sections of the first sealing ring and the second sealing ring are in a sawtooth shape; and the sawtooth-shaped peripheral surface of the first sealing ring is attached and sealed with the sawtooth-shaped inner peripheral surface of the second sealing ring, so that the groove of the first sealing ring is attached and sealed with the convex rib of the second sealing ring correspondingly, and the convex rib of the first sealing ring is attached and sealed with the groove of the second sealing ring correspondingly.
Further, the first sealing ring is independently arranged and fixedly connected with the inner cylinder, or the first sealing ring and the inner cylinder are integrally formed; the second sealing ring is independently arranged and is fixedly connected with the outer barrel, or the second sealing ring and the outer barrel are integrally formed.
Further, the sealing structure comprises a circle of sealing rings, the axial section of each sealing ring is a square with a hollow interior and an open side, the open side of each sealing structure faces the sealing part, the opposite sides of the open side are closed, and the two adjacent sides of the open side are in sealing contact with the outer wall of the inner barrel and the inner wall of the outer barrel respectively to isolate the sealing part from the communicating part; preferably, two sides of the sealing ring adjacent to the opening are respectively arranged in a zigzag shape, or one side of the sealing ring is arranged in a zigzag shape.
Further, the sealing ring is made of an elastic material which can generate elastic deformation; the sealing ring is made of rubber material; the outer barrel is provided with a limiting rib which radially protrudes towards the inner barrel and extends in an annular shape, and the limiting rib is in limiting contact with the open side of the sealing ring so as to limit the sealing ring to move along the axial direction of the inner barrel.
Further, the sealing structure is arranged on the side wall of one side of the closed end of the inner cylinder, and divides the area between the inner cylinder and the outer cylinder into a sealing part and a communicating part, wherein the sealing part is a sealing area between the closed end of the inner cylinder and the sealing end of the outer cylinder; or the sealing structure is arranged on the side wall of one side of the opening end of the inner cylinder and divides the area between the inner cylinder and the outer cylinder into a sealing part and a communicating part, and the sealing part is a sealing area between the opening end of the inner cylinder and the opening end of the outer cylinder.
Further, a first sealing structure and a second sealing structure are arranged in the area between the inner cylinder and the outer cylinder so as to divide the area between the inner cylinder and the outer cylinder into a first sealing part, a communicating part and a second sealing part which are sequentially arranged along the axial direction of the inner cylinder and are mutually isolated.
Furthermore, a dehydration hole is arranged on the side wall of the inner cylinder, the dehydration hole communicates the interior of the inner cylinder with the communication part, and a first sealing structure is arranged on the side wall close to the sealing end of the inner cylinder to separate the first sealing part from the dehydration hole; the second sealing structure is arranged on the side wall close to the opening end of the inner cylinder and separates the second sealing part from the dewatering hole; preferably, the opening end of the inner cylinder is provided with an inclined plane formed by gradually narrowing the outer periphery to the central opening, and the second sealing structure is arranged on the inclined plane.
Furthermore, an emergency water outlet is arranged in the sealing part and arranged at the periphery of the outer cylinder wall to communicate the sealing part with the outside.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The sealing structure divides the area between the inner cylinder and the outer cylinder into a sealed sealing part and a communicating part communicated with the inner part of the inner cylinder through the dewatering holes, and the sealing structure blocks washing water from entering the sealing part, so that a tripod, a flange plate, a motor shaft and the like are protected from being corroded, and the problem that dirt is attached to the bottom of the inner cylinder to generate bacteria is fundamentally solved.
2. Through the arrangement, the sealing structures are respectively arranged at the front end and the rear end of the inner barrel, so that washing water cannot flow into the sealing part in the washing process, the depth of water stored between the inner barrel and the outer barrel is reduced, and water consumption is saved.
3. An emergency water outlet is arranged in the sealing part, and washing water is discharged from the emergency water outlet after entering the chamber, so that the damage of the washing water to the tripod is reduced.
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, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. 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 sectional view of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of an inner drum washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic view of the installation of the first seal structure;
FIG. 4 is a schematic structural view of a further embodiment of the sealing structure of FIG. 4;
FIG. 5 is a schematic structural view of a further embodiment of the sealing structure of FIG. 4;
figure 6 is a schematic view of a second seal arrangement installation.
Description of the main elements in the figures: 1. an inner barrel; 2. an outer cylinder; 3. a first seal structure; 30. a first seal portion; 4. a second seal structure; 40. a second seal portion; 5. a rib is protruded; 6. a groove; 7. limiting ribs; 8. an emergency water outlet; 9. a dewatering hole; 10. a communicating portion; 11. a tripod; 12. a motor shaft; 13. a flange plate; 14. a water outlet; 15. and (4) opening the opening.
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", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; 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.
As shown in fig. 1 to 6, the drum washing machine according to the embodiment of the present invention includes an inner drum 1 and an outer drum 2, the inner drum 1 is sleeved inside the outer drum 2, a sealing structure is installed between the inner drum 1 and the outer drum 2, the sealing structure divides an area between the inner drum 1 and the outer drum 2 into a sealing portion and a communicating portion 10, the sealing portion is a sealed area, and the communicating portion 10 is communicated with the inside of the inner drum 1 through a dehydration hole 9 formed in a wall of the inner drum 1.
In the embodiment of the invention, the roller washing machine comprises an inner barrel 1 arranged inside and an outer barrel 2 sleeved outside the inner barrel 1, wherein the wall of the inner barrel 1 is provided with a dehydration hole 9, the inside of the inner barrel 1 is communicated with the inside of the outer barrel 2 through the dehydration hole 9, one end of the inner barrel is closed along the axis of the inner barrel, the other end of the inner barrel is opened, the closed end of the inner barrel 1 is provided with a triangular frame 11, a flange plate 13, a motor shaft 12 and other components, a sealing framework is arranged between the inner barrel 1 and the outer barrel 2, the area between the inner barrel 1 and the outer barrel 2 is divided into a sealing part and a communicating part 10, the sealing part is a closed chamber, the communicating part 10 is communicated with the inside of the inner barrel 1 through the dehydration hole 9, the sealing structure blocks washing water from entering the sealing part through the communicating part 10, the washing water cannot be directly, Corrosion and contamination of the flange 13 and the motor shaft 12.
In the embodiment of the invention, the sealing structure is arranged on the side wall of one side of the closed end of the inner cylinder 1, and the area between the inner cylinder 1 and the outer cylinder 2 is divided into a sealing part and a communicating part 10, wherein the sealing part is a sealing area between the closed end of the inner cylinder 1 and the closed end of the outer cylinder 2; alternatively, the seal structure is provided on the side wall on the side of the opening end of the inner tube, and divides the area between the inner tube 1 and the outer tube 2 into a seal portion, which is a seal area between the opening end of the inner tube 1 and the opening end of the outer tube 2, and a communicating portion 10.
In the embodiment of the invention, the sealing structure comprises a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are annularly arranged on the outer wall of the inner cylinder 1 and the inner wall of the outer cylinder 2 respectively, the first sealing ring and the second sealing ring are positioned in the same cross section, and the outer peripheral surface of the first sealing ring is in limited contact with the inner peripheral surface of the second sealing ring, so that the contact part of the first sealing ring and the second sealing ring is arranged in a sealing manner in the rotating process of the inner cylinder; preferably, the outer peripheral face of first sealing ring is equipped with at least round along sealing ring circumference extension, and along the radial inside sunken recess 6 of sealing ring, the inner peripheral surface of second sealing ring is equipped with the protruding muscle 5 that sets up with each recess 6 looks one-to-one, each protruding muscle 5 all extends along sealing ring circumference, and insert corresponding recess 6 along the radial protrusion of sealing ring in, 5 surfaces of protruding muscle and the contact of laminating mutually of 6 inner walls of recess, make inner tube 1 rotate in-process each protruding muscle 5 and corresponding recess 6's contact surface all keep sealed.
In the arrangement, the sealing structure is annular and is sleeved on the inner cylinder 1, the sealing structure comprises a first sealing ring and a second sealing ring which are oppositely arranged, the first sealing ring and the second sealing ring are in limited contact sealing to divide the area between the inner cylinder 1 and the outer cylinder 2 into a sealing part and a communicating part 10, the communicating part 10 and the dehydration hole 9 are oppositely arranged, and the sealing part and the dehydration hole 9 are arranged in a separated way; the outer peripheral face of first sealing ring sets up the round at least and extends along sealing ring circumference and radially inwards sunken recess 6 along the sealing ring, and the inner peripheral face of second sealing portion 40 is equipped with the protruding muscle 5 that sets up with the corresponding setting of recess 6 of first sealing portion 30, and the recess 6 of first sealing ring corresponds the laminating with the protruding muscle 5 of second sealing ring and seals.
In the embodiment of the invention, the cross sections of the first sealing ring and the second sealing ring are in a sawtooth shape; and the sawtooth-shaped peripheral surface of the first sealing ring is attached and sealed with the sawtooth-shaped inner peripheral surface of the second sealing ring, so that the groove 6 of the first sealing ring is correspondingly attached and sealed with the convex rib 5 of the second sealing ring, and the convex rib 5 of the first sealing ring is correspondingly attached and sealed with the groove 6 of the second sealing ring.
In the embodiment of the invention, the first sealing ring is independently arranged and fixedly connected with the inner cylinder 1, or the first sealing ring and the inner cylinder 1 are integrally formed; the second sealing ring is independently arranged and fixedly connected with the outer cylinder 2, or the second sealing ring and the outer cylinder 2 are integrally formed.
In the above, the first seal ring and/or the second seal ring are made of an elastic material which can elastically deform itself; the first sealing ring and/or the second sealing ring are made of rubber material.
In the embodiment of the invention, the sealing structure is a circle of sealing rings extending along the cross section of the inner cylinder perpendicular to the axis, the inner periphery of each sealing ring is sealed with the outer wall of the inner cylinder 1, and the outer periphery of each sealing ring is sealed with the inner wall of the outer cylinder 2, so that the area between the inner cylinder 1 and the outer cylinder 2 is divided into a sealing part and a communicating part 10 which are isolated from each other.
In the embodiment of the invention, the sealing structure comprises a circle of sealing ring, the axial section of the sealing ring is hollow inside and square with an opening 15 at one side, the opening 15 side of the sealing structure is arranged towards the sealing part, the opposite side of the opening 15 is closed, and the adjacent two sides are respectively in sealing contact with the outer wall of the inner cylinder 1 and the inner wall of the outer cylinder 2 so as to isolate the sealing part from the communicating part 10; preferably, both sides of the sealing ring adjacent to the opening 15 are respectively provided with saw-tooth shapes, or one side of the sealing ring is provided with saw-tooth shapes.
In the above arrangement, the sealing structure adopts the sawtooth-shaped surface to be relatively attached and sealed, the sealing performance is better, and the washing water is completely prevented from flowing into the chamber.
In the embodiment of the invention, the sealing ring is made of elastic material which can generate elastic deformation; the sealing ring is made of rubber material.
In the embodiment of the invention, the outer cylinder 2 is provided with a limiting rib 7 which protrudes towards the inner cylinder 1 in the radial direction and extends in an annular shape, and the limiting rib 7 is in limiting contact with the side of an opening 15 of the sealing ring so as to limit the sealing ring to move along the axial direction of the inner cylinder 1.
In the embodiment of the invention, the first sealing structure 3 and the second sealing structure 4 are arranged in the area between the inner cylinder 1 and the outer cylinder 2 so as to divide the area between the inner cylinder 1 and the outer cylinder 2 into the first sealing part 30, the communicating part 10 and the second sealing part 40 which are sequentially arranged along the axial direction of the inner cylinder 1 and are mutually isolated.
In the embodiment of the invention, the side wall of the inner barrel 1 is provided with a dehydration hole 9, the dehydration hole 9 communicates the inside of the inner barrel 1 with the communicating part 10, the first sealing structure 3 is arranged on the side wall close to the closed end of the inner barrel 1, and the first sealing part 30 is separated from the dehydration hole 9; the second sealing structure 4 is arranged on the side wall close to the opening end of the inner cylinder 1 and separates the second sealing part 40 from the dewatering hole 9; preferably, the opening end of the inner cylinder 1 is provided with an inclined plane formed by narrowing the outer periphery towards the central opening, and the second sealing structure 4 is arranged on the inclined plane.
In the embodiment of the invention, an emergency water outlet 8 is arranged in the sealing part, and the emergency water outlet 8 is arranged at the periphery of the wall of the outer barrel 2 to communicate the sealing part with the outside.
The invention arranges a sealing structure between the inner barrel 1 and the outer barrel 2, so that the closed end of the inner barrel 1 and the open end of the inner barrel are separated from the dewatering hole 9 region, thereby blocking the washing water from flowing into the sealing part through the dewatering hole 9, avoiding the pollution of the washing water to the flange 13, the tripod 11 and the motor shaft 12 at the rear side of the inner barrel 1, and preventing the pollution of the dirt to the human health.
Example one
As shown in fig. 1 to 6, the area between the inner cylinder 1 and the outer cylinder 2 in the present embodiment is provided with two sealing structures including a first sealing structure 3 and a second sealing structure 4, and the area between the inner cylinder 1 and the outer cylinder 2 is divided into a first sealing portion 30, a communicating portion 10, and a second sealing portion 40 which are sequentially arranged along the axial direction of the inner cylinder 1 and are isolated from each other.
In the embodiment, the side wall of the inner barrel 1 is provided with a dehydration hole 9, the dehydration hole 9 communicates the inside of the inner barrel 1 with the communication part 10, the first sealing structure 3 is arranged on the side wall close to the closed end of the inner barrel 1, and the first sealing part 30 is separated from the dehydration hole 9; the second sealing structure 4 is arranged on the side wall close to the opening end of the inner cylinder 1 and separates the second sealing part 40 from the dewatering hole 9; preferably, the opening end of the inner cylinder 1 is provided with an inclined plane formed by narrowing the outer periphery towards the central opening, and the second sealing structure 4 is arranged on the inclined plane.
In the embodiment, the rear end of the inner cylinder 1 is closed, the front end of the inner cylinder is opened, the sealing parts comprise a first sealing part 30 formed between the closed end of the inner cylinder 1 and the outer cylinder 2 and a second sealing part 40 formed between the open end of the inner cylinder 1 and the outer cylinder 2, a communication part 10 is arranged between the first sealing part 30 and the second sealing part 40, the communication part 10 is arranged corresponding to the dehydration hole 9, and the first sealing part 30 and the second sealing part 40 are isolated from the dehydration hole 9 through a sealing structure; a first sealing structure 3 is arranged between the first sealing part 30 and the communicating part 10, the first sealing structure 3 is sleeved on the inner barrel 1, at least one part of the first sealing structure 3 is contacted with the peripheral ring of the outer wall of the inner barrel 1, and one part of the first sealing structure 3 is contacted with the peripheral ring of the inner wall of the outer barrel 2, so that the washing water is blocked from flowing from the communicating part 10 to the first sealing part 30; a second sealing structure 4 is arranged between the second sealing part 40 and the communicating part 10, the second sealing structure 4 is sleeved on the inner barrel 1, at least one part of the second sealing structure 4 is contacted with the peripheral ring of the outer wall of the inner barrel 1, and one part of the second sealing structure 4 is contacted with the peripheral ring of the inner wall of the outer barrel 2, so that the washing water is blocked from flowing from the communicating part 10 to the second sealing part 40.
In this embodiment, a first sealing structure 3 is arranged between the first sealing part 30 and the communicating part 10, a dewatering hole 9 arranged opposite to the communicating part 10 is arranged on the inner barrel 1, the first sealing structure 3 is sleeved on the side wall of the closed end of the inner barrel 1 to separate the dewatering hole 9 from the first sealing part 30, a second sealing structure 4 is arranged between the second sealing part 40 and the communicating part 10, the second sealing structure 4 is sleeved on the side wall of the open end of the inner barrel 1 to separate the dewatering hole 9 from the second sealing part 40, preferably, the front end of the inner barrel 1 is gradually narrowed from the inner barrel 1 to the opening of the inner barrel 1 to form an inclined plane, and the second sealing part 40 is arranged on the inclined plane.
Through the arrangement, the sealing parts comprise the first sealing part 30 formed between the closed end of the inner barrel 1 and the outer barrel 2 and the second sealing part 40 formed between the open end of the inner barrel 1 and the outer barrel 2, the first sealing part 30 and the second sealing part 40 are sealed, washing water in the communicating part 10 is separated, the depth of water stored between the inner barrel 1 and the outer barrel 2 is shortened, water consumption is reduced, energy is saved, the tripod is not polluted and corroded after the inner barrel 1 of the roller washing machine is realized, and user experience is improved.
In this embodiment, the emergency drain port 8 is provided in the first sealing part 30 and/or the second sealing part 40, the emergency drain port 8 is provided at the lowest position of the wall of the tub 2, the first sealing part 30 and/or the second sealing part 40 are communicated with the inside and the outside, the emergency drain port 8 drains water out of the washing machine in case that water is introduced into the chamber due to the sealing structure being not tightly sealed or damaged, and the emergency drain port 8 is provided at the lowest position at the outer periphery of the wall of the tub 2, thereby facilitating the drainage of the washing water.
In the embodiment, the first sealing structure 3 and/or the second sealing structure 4 comprise a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are annularly arranged on the outer wall of the inner cylinder 1 and the inner wall of the outer cylinder 2 respectively, the first sealing ring and the second sealing ring are positioned in the same cross section, and the outer peripheral surface of the first sealing ring is in spacing contact with the inner peripheral surface of the second sealing ring, so that the contact part of the first sealing ring and the second sealing ring is arranged in a sealing manner in the rotating process of the inner cylinder 1; preferably, the peripheral surface of the first sealing ring is provided with at least one circle of grooves 6 which extend along the circumferential direction of the sealing ring and are recessed inwards along the radial direction of the sealing ring, the inner peripheral surface of the second sealing ring is provided with convex ribs 5 which are arranged corresponding to the grooves 6 one by one, each convex rib 5 extends along the circumferential direction of the sealing ring and is inserted into the corresponding groove 6 in a protruding way along the radial direction of the sealing ring, and the outer surface of each convex rib 5 is in contact with the inner wall of the corresponding groove 6 in a fitting way, so that the contact surface of each convex rib 5 and the corresponding groove 6 keeps sealed in the rotating process; the cross sections of the first sealing ring and the second sealing ring are in a sawtooth shape; and the sawtooth-shaped peripheral surface of the first sealing ring is attached and sealed with the sawtooth-shaped inner peripheral surface of the second sealing ring, so that the groove 6 of the first sealing ring is correspondingly attached and sealed with the convex rib 5 of the second sealing ring, and the convex rib 5 of the first sealing ring is correspondingly attached and sealed with the groove 6 of the second sealing ring.
In this embodiment, the first sealing structure 3 and/or the second sealing structure 4 comprises a ring of sealing rings, the axial section of each sealing ring is a square with a hollow inside and an opening 15 at one side, the opening 15 side of each sealing structure is arranged towards the sealing part, the opposite sides of the opening 15 are closed, and the two adjacent sides of the opening 15 are respectively in sealing contact with the outer wall of the inner barrel 1 and the inner wall of the outer barrel 2 so as to isolate the sealing part from the communicating part 10; preferably, both sides of the sealing ring adjacent to the opening 15 are respectively provided with saw-tooth shapes, or one side of the sealing ring is provided with saw-tooth shapes.
In this embodiment, the outer cylinder 2 is provided with a limiting rib 7 protruding toward the inner cylinder 1 and abutting against the end of the opening 15 of the sealing ring for limiting the axial movement of the inner cylinder 1 caused by the sealing structure.
Example two
As shown in fig. 3 to 5, the sealing structure described in this embodiment includes a first sealing ring and a second sealing ring, which are respectively disposed on the outer wall of the inner cylinder 1 and the inner wall of the outer cylinder 2 in an annular shape, the first sealing ring and the second sealing ring are located in the same cross section, and the outer circumferential surface of the first sealing ring is in spacing contact with the inner circumferential surface of the second sealing ring, so that the contact position of the first sealing ring and the second sealing ring is sealed during the rotation of the inner cylinder 1.
In this embodiment, the outer peripheral face of first sealing ring is equipped with at least round along sealing ring circumference extension, and along the radial inside sunken recess 6 of sealing ring, the inner peripheral surface of second sealing ring is equipped with the protruding muscle 5 that sets up with each recess 6 looks one-to-one, each protruding muscle 5 all extends along sealing ring circumference, and insert corresponding recess 6 along the radial protrusion of sealing ring in, 5 surfaces of protruding muscle and the contact of laminating mutually of 6 inner walls of recess, make inner tube 1 rotate in-process each protruding muscle 5 and corresponding recess 6's contact surface all keep sealed.
In the embodiment, at least one circle of grooves 6 which extend along the circumferential direction of the sealing ring and are sunken inwards along the radial direction of the sealing ring are arranged on the first sealing ring, and convex ribs 5 are formed between every two adjacent grooves 6, so that the cross section of the first sealing ring is in a sawtooth shape; the inner peripheral surface of second sealing ring is equipped with protruding muscle 5 that sets up with each recess 6 looks one-to-one, forms recess 6 between the adjacent protruding muscle 5, and the protruding muscle 5 of second sealing ring all extends along sealing ring circumference and along the radial protrusion of sealing ring insert corresponding first sealing ring in recess 6, and the protruding muscle 5 of first sealing ring all extends along sealing ring circumference and along the radial protrusion of sealing ring insert corresponding second sealing ring in recess 6.
In this embodiment, as shown in fig. 3, the rib 5 includes two oppositely inclined planes, the two inclined planes intersect at the highest point of the rib 5, and the surfaces of the rib 5 and the groove 6 that are attached to each other are on the same plane, and the inclined angles are the same, so as to achieve sealing.
In this embodiment, the rib 5 includes a plane extending radially toward the inner cylinder 1 and an inclined plane inclined downward from the highest point of the rib 5, the inclined plane and the plane are merged at the highest point of the rib 5, and the inclined plane can be inclined downward toward the rear end of the inner cylinder 1, as shown in fig. 4; the inclined surface may be inclined downwardly towards the front end of the inner barrel 1 as shown in figure 5. The multi-surface contact sealing is realized through the arrangement, and the sealing effect is better.
In this embodiment, be equipped with many rings of protruding muscle 5 on first sealing ring and/or the second sealing ring, a plurality of protruding muscle 5 can be the same, also can be inequality, and the protruding muscle 5 of first sealing ring cooperatees the setting with the recess 6 of second sealing ring, perhaps, the recess 6 of first sealing ring cooperatees the setting with the protruding muscle 5 of second sealing ring, realizes sealedly.
In the above arrangement, the sealing structure adopts zigzag sealing, so that the sealing performance is better and the use is convenient.
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 (10)

1. The utility model provides a drum type washing machine, includes inner tube and urceolus, and the inner tube suit is in the inside of urceolus, its characterized in that: the inner barrel is provided with a dewatering hole, the outer barrel is provided with a sealing structure, the sealing structure divides the area between the inner barrel and the outer barrel into a sealing part and a communicating part, the sealing part is a sealed area, and the communicating part is communicated with the inside of the inner barrel through the dewatering hole arranged on the wall of the inner barrel.
2. A drum washing machine according to claim 1, characterized in that: the sealing structure is a ring-shaped structure extending along any section of the inner barrel perpendicular to the axis, the inner periphery of the ring-shaped structure is sealed with the outer wall of the inner barrel, the outer periphery of the ring-shaped structure is sealed with the inner wall of the outer barrel, and therefore the area between the inner barrel and the outer barrel is divided into a sealing part and a communicating part which are isolated from each other;
preferably, an emergency water outlet is arranged in the sealing part and arranged at the periphery of the outer cylinder wall to communicate the sealing part with the outside.
3. A drum washing machine according to claim 1 or 2, characterized in that: the sealing structure comprises a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are annularly arranged on the outer wall of the inner barrel respectively, and are arranged on the inner wall of the outer barrel;
preferably, the outer peripheral face of the first sealing ring is provided with at least one circle of groove which extends along the circumferential direction of the sealing ring and is recessed inwards along the radial direction of the sealing ring, the inner peripheral face of the second sealing ring is provided with convex ribs which are arranged in one-to-one correspondence with the grooves, each convex rib extends along the circumferential direction of the sealing ring and is inserted into the corresponding groove along the radial protrusion of the sealing ring, the outer surface of each convex rib is in contact with the inner wall of the corresponding groove in a laminating manner, and the contact surface of each convex rib and the corresponding groove in the rotating process of the inner.
4. A drum washing machine according to claim 3, characterized in that: the cross sections of the first sealing ring and the second sealing ring are in a sawtooth shape; and the sawtooth-shaped peripheral surface of the first sealing ring is attached and sealed with the sawtooth-shaped inner peripheral surface of the second sealing ring, so that the groove of the first sealing ring is attached and sealed with the convex rib of the second sealing ring correspondingly, and the convex rib of the first sealing ring is attached and sealed with the groove of the second sealing ring correspondingly.
5. A drum washing machine according to any one of claims 1 to 4, characterized in that: the first sealing ring is independently arranged and fixedly connected with the inner cylinder, or the first sealing ring and the inner cylinder are integrally formed; the second sealing ring is independently arranged and is fixedly connected with the outer barrel, or the second sealing ring and the outer barrel are integrally formed.
6. A drum washing machine according to claim 1, characterized in that: the sealing structure comprises a circle of sealing ring, the axial section of the sealing ring is a square with a hollow interior and an open side, the open side of the sealing structure is arranged towards the sealing part, the opposite side of the open is closed, and the adjacent two sides are respectively in sealing contact with the outer wall of the inner barrel and the inner wall of the outer barrel so as to isolate the sealing part and the communicating part;
preferably, two sides of the sealing ring adjacent to the opening are respectively arranged in a zigzag shape, or one side of the sealing ring is arranged in a zigzag shape.
7. A drum washing machine according to any one of claims 1 to 6, characterized in that: the sealing ring is made of elastic material which can generate elastic deformation; the sealing ring is made of rubber material; the outer barrel is provided with a limiting rib which radially protrudes towards the inner barrel and extends in an annular shape, and the limiting rib is in limiting contact with the open side of the sealing ring so as to limit the sealing ring to move along the axial direction of the inner barrel.
8. A drum washing machine according to any one of claims 1 to 7, characterized in that: the sealing structure is arranged on the side wall of one side of the closed end of the inner cylinder, and divides the area between the inner cylinder and the outer cylinder into a sealing part and a communicating part, wherein the sealing part is a sealing area between the closed end of the inner cylinder and the sealed end of the outer cylinder;
or the sealing structure is arranged on the side wall of one side of the opening end of the inner cylinder and divides the area between the inner cylinder and the outer cylinder into a sealing part and a communicating part, and the sealing part is a sealing area between the opening end of the inner cylinder and the opening end of the outer cylinder.
9. A drum washing machine according to any one of claims 1 to 7, characterized in that: the first sealing structure and the second sealing structure are arranged in the area between the inner cylinder and the outer cylinder so as to divide the area between the inner cylinder and the outer cylinder into a first sealing part, a communicating part and a second sealing part which are sequentially arranged along the axial direction of the inner cylinder and are mutually isolated.
10. A drum washing machine according to claim 8 or 9, characterized in that: the side wall of the inner cylinder is provided with a dehydration hole which communicates the inside of the inner cylinder with the communicating part, and the first sealing structure is arranged on the side wall close to the sealing end of the inner cylinder and separates the first sealing part from the dehydration hole; the second sealing structure is arranged on the side wall close to the opening end of the inner cylinder and separates the second sealing part from the dewatering hole;
preferably, the opening end of the inner cylinder is provided with an inclined plane formed by gradually narrowing the outer periphery to the central opening, and the second sealing structure is arranged on the inclined plane.
CN201811128706.0A 2018-09-27 2018-09-27 Drum washing machine Pending CN110952269A (en)

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Application Number Priority Date Filing Date Title
CN201811128706.0A CN110952269A (en) 2018-09-27 2018-09-27 Drum washing machine

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Application Number Priority Date Filing Date Title
CN201811128706.0A CN110952269A (en) 2018-09-27 2018-09-27 Drum washing machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111979701A (en) * 2020-07-07 2020-11-24 佛山海尔滚筒洗衣机有限公司 Washing machine outer barrel sealing structure and washing machine
WO2023011134A1 (en) * 2021-08-04 2023-02-09 重庆海尔滚筒洗衣机有限公司 Inner drum structure of washing machine

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Publication number Priority date Publication date Assignee Title
CN102187032A (en) * 2008-10-23 2011-09-14 Lg电子株式会社 Washing machine
CN204403162U (en) * 2014-12-24 2015-06-17 江苏钱潮轴承有限公司 Long lifetime ball bearing structure
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WO2017178758A1 (en) * 2016-04-15 2017-10-19 Safran Transmission Systems Contactless labyrinth seal obtained by additive manufacturing
CN206661331U (en) * 2017-02-08 2017-11-24 长春发电设备总厂 A kind of medium-speed pulverizer mill sealing device
CN107447425A (en) * 2016-05-31 2017-12-08 青岛海尔滚筒洗衣机有限公司 A kind of roller washing machine and its cleaning method
CN107974795A (en) * 2016-10-21 2018-05-01 青岛海尔滚筒洗衣机有限公司 A kind of roller washing machine and control method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102187032A (en) * 2008-10-23 2011-09-14 Lg电子株式会社 Washing machine
CN204403162U (en) * 2014-12-24 2015-06-17 江苏钱潮轴承有限公司 Long lifetime ball bearing structure
CN106286834A (en) * 2015-05-29 2017-01-04 青岛海尔洗衣机有限公司 Flange seal mounting structure at the bottom of a kind of washing machine inner tub
WO2017178758A1 (en) * 2016-04-15 2017-10-19 Safran Transmission Systems Contactless labyrinth seal obtained by additive manufacturing
CN107447425A (en) * 2016-05-31 2017-12-08 青岛海尔滚筒洗衣机有限公司 A kind of roller washing machine and its cleaning method
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CN206661331U (en) * 2017-02-08 2017-11-24 长春发电设备总厂 A kind of medium-speed pulverizer mill sealing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111979701A (en) * 2020-07-07 2020-11-24 佛山海尔滚筒洗衣机有限公司 Washing machine outer barrel sealing structure and washing machine
WO2023011134A1 (en) * 2021-08-04 2023-02-09 重庆海尔滚筒洗衣机有限公司 Inner drum structure of washing machine

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