CN107177962B - Overflow exhaust assembly of washing machine and wall-mounted washing machine with overflow exhaust assembly - Google Patents
Overflow exhaust assembly of washing machine and wall-mounted washing machine with overflow exhaust assembly Download PDFInfo
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- CN107177962B CN107177962B CN201710370330.3A CN201710370330A CN107177962B CN 107177962 B CN107177962 B CN 107177962B CN 201710370330 A CN201710370330 A CN 201710370330A CN 107177962 B CN107177962 B CN 107177962B
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- washing machine
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies 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)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses an overflow exhaust component of a washing machine and a wall-mounted washing machine with the overflow exhaust component, wherein the overflow exhaust component of the washing machine comprises: the washing machine comprises an overflow pipe and an exhaust assembly, wherein one end of the overflow pipe is suitable for being connected to a rear outer tub of the washing machine, the other end of the overflow pipe is communicated with the outside to discharge water or foam, the exhaust assembly is provided with a bending structure, one side of the exhaust assembly is connected to the overflow pipe, and the bending structure is not lower than the joint of the exhaust assembly and the overflow pipe in the up-down direction. According to the overflow exhaust component of the washing machine, the exhaust component with the bending structure is arranged, and the bending structure is arranged at the position which is not lower than the joint of the overflow pipe and the exhaust component in the up-down direction, so that after foam entering the exhaust component gradually rises to the bending structure, a large amount of foam breaks at the bending structure, and therefore, air pressure balance can be formed inside and outside the rear outer barrel, and pollution caused by overflow of foam in the barrel can be prevented.
Description
Technical Field
The invention relates to the technical field of washing machine manufacturing, in particular to an overflow exhaust assembly of a washing machine and a wall-mounted washing machine with the overflow exhaust assembly.
Background
In the prior art, when the drum washing machine works, due to the fact that the inner barrel rotates or excessive detergent is put into the rear outer barrel, washing foam is too much, certain pressure is often generated in the rear outer barrel of the washing machine, so that the air pressure in the rear outer barrel is unbalanced with the external air pressure, certain potential safety hazards are brought, in addition, when the washing machine works in an initial stage, if the control component of the washing machine is poor, water enters the rear outer barrel, too high water level in the rear outer barrel cannot be discharged in time, and leakage is possible.
In order to prevent the foam inside the drum washing machine from overflowing to pollute the wall and the ground, there is a washing machine in the prior art, such as chinese patent document CN106120231a, which discloses a wall-mounted drum washing machine, as shown in fig. 1 of the patent, which is provided with a foam discharging pipe 282 through a discharging hole 281 and introduces the foam discharging pipe 282 into a drain pipe 278, and simultaneously, a vent pipe 296 is provided on the foam discharging pipe 282 and keeps the upper end of the vent pipe 296 higher than the connection with the foam discharging pipe 282 for keeping the air pressure inside the rear outer tub of the washing machine stable, and the foam inside the rear outer tub is discharged through the foam discharging pipe 282 when the washing machine is operated; thus, the technical solution disclosed in chinese patent document CN106120231a can prevent foam overflow to some extent.
However, in the technical solution disclosed in chinese patent document CN106120231a, foam enters the air pipe 296 when being discharged through the foam discharge pipe 282, although the upper end of the air pipe 296 extends upward in the present solution, because the space at the upper end of the rear wall of the washing machine is limited, a longer travel path cannot be provided for the foam, so when the amount of foam is large, a part of foam still exits from the upper outlet of the air pipe 296, thereby contaminating the wall. Therefore, the technical solution disclosed in the chinese patent document CN106120231a still has the defect of weak foam discharging capability.
Disclosure of Invention
The invention aims at least solving the defect of weak foam removing capability of the existing washing machine, thereby providing an overflow exhaust component of the washing machine, which is used for preventing foam in a barrel of the washing machine from overflowing the outside of the washing machine to pollute a wall body.
The invention also provides a wall-mounted washing machine with the overflow exhaust assembly.
The overflow exhaust assembly of the washing machine according to the embodiment of the invention comprises an overflow pipe, wherein one end of the overflow pipe is suitable for being connected to a rear outer tub of the washing machine, and the other end of the overflow pipe is communicated with the outside to exhaust water or foam; the exhaust assembly is provided with a bending structure, one side of the exhaust assembly is connected to the overflow pipe, and the bending structure is not lower than the joint of the exhaust assembly and the overflow pipe in the up-down direction.
According to the overflow exhaust assembly of the washing machine, the exhaust assembly which is connected with the overflow pipe and provided with the bending structure is arranged, and the bending structure is not lower than the joint of the overflow pipe and the exhaust assembly in the up-down direction, so that excessive foam discharged from the rear outer barrel of the washing machine gradually rises to the bending structure after entering the exhaust assembly and is broken in a large amount at the bending structure, and therefore, air pressure balance can be formed inside and outside the rear outer barrel, and pollution caused by overflow of foam in the barrel can be prevented.
According to one embodiment of the invention, the exhaust assembly comprises: the first exhaust pipe is connected to the overflow pipe at one end and extends upwards at the other end; the second exhaust pipe is connected to the first exhaust pipe at one end, and extends downwards at the other end and is opened to form an exhaust end; the junction of first blast pipe and second blast pipe shaping is the kink structure.
According to a further example of the present invention, the first exhaust pipe and the second exhaust pipe are connected by an air pipe adaptor, and the bending structure is the air pipe adaptor.
According to a further example of the present invention, the air tube adapter has a first connection portion, a second connection portion, and a foam suppressing portion located above the first connection portion and the second connection portion, such that the air tube adapter is shaped into a "man" structure; the first connecting part is connected with the first exhaust pipe, the second connecting part is connected with the second exhaust pipe, and the first connecting part, the second connecting part and the foam eliminating part are communicated.
According to a further example of the present invention, the top of the foam deactivation portion is sealed such that a foam extrusion chamber is formed within the foam deactivation portion.
Optionally, the inner diameter of the air pipe adaptor is smaller than the inner diameter of the first air exhaust pipe and smaller than the inner diameter of the second air exhaust pipe, so that part of foam entering the air exhaust pipe is easier to break when rising to the air pipe adaptor, and the foam breaking effect of the overflow air exhaust assembly is enhanced.
Optionally, the exhaust end of the second exhaust pipe is lower than the junction of the overflow pipe and the first exhaust pipe in the up-down direction.
According to another embodiment of the present invention, the exhaust assembly includes: the first exhaust pipe is connected to the overflow pipe at one end and extends upwards at the other end; the second exhaust pipe, one end of second exhaust pipe is connected to first exhaust pipe, and the other end is open and is formed the exhaust end, the second exhaust pipe shaping is the kink structure. Therefore, the flow path of the foam in the exhaust pipe can be effectively prolonged, the foam is ensured to be gradually broken in the flow path, and the foam is prevented from flowing out of the washing machine to influence the use.
Optionally, the first exhaust pipe and the second exhaust pipe are integrally formed.
According to one embodiment of the present invention, the overflow pipe includes a first overflow pipe having one end adapted to be connected to a rear tub of the washing machine, and a second overflow pipe having one end adapted to be connected to a rear tub of the washing machine, and the overflow exhaust assembly further includes a three-way pipe having a first port communicating with the other end of the first overflow pipe, a second port communicating with the second overflow pipe, and a third port communicating with one end of the exhaust assembly.
Further, the first overflow pipe and the second overflow pipe have the same inner diameter, and the first exhaust pipe and the second exhaust pipe have the same inner diameter.
Optionally, the relationship between the inner diameters D1 of the first overflow pipe and the second overflow pipe and the inner diameters D2 of the first exhaust pipe and the second exhaust pipe is as follows: d1 And D2, whereby the foam capacity in the flow path in the overflow pipe can be ensured, thereby reducing the foam entering the exhaust pipe.
According to an embodiment of the present invention, the overflow exhaust assembly further includes a fastening unit including: the fastening body is sleeved at the joint of the overflow pipe and the rear outer barrel or the joint of the overflow pipe and a drainage assembly of the washing machine; the buckling structure is arranged at two ends of the fastening body, and the fastening body is clamped on the overflow pipe by the buckling structure.
According to an embodiment of the present invention, the washing machine includes a fixing plate, and the overflow exhaust assembly further includes: the pipe clamps are arranged on the back side of the fixing plate at intervals along the length direction of the overflow pipe and the exhaust assembly so as to limit the overflow pipe and the exhaust assembly.
According to a second aspect of the present invention, a wall-mounted washing machine includes: the fixing plate is provided with a through mounting hole; the rear outer barrel is arranged on the positive side of the fixed plate and is provided with a through hole; the connecting part is arranged in the mounting hole in a penetrating way, and one end of the connecting part is communicated with the through hole; according to an embodiment of the first aspect of the present invention, the overflow exhaust assembly is connected to the other end of the connection portion.
According to the wall-mounted washing machine provided by the embodiment of the invention, the overflow exhaust assembly provided by the embodiment of the first aspect of the invention has the characteristics of simple structure, capability of realizing the balance of the internal and external air pressures of the rear outer tub and the like.
According to a further embodiment of the invention, the connecting portion is formed as a cylinder, one end of the cylinder and the through hole are in smooth transition, and the other end of the cylinder is provided with a protruding unit adapted to fix the overflow pipe.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view illustrating a structure of an overflow exhaust assembly of a washing machine according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1;
fig. 3 is an exploded view of a wall-mounted washing machine according to an embodiment of the present invention;
fig. 4 is a partial assembly view of a wall-mounted washing machine according to an embodiment of the present invention;
fig. 5 is a front view of a wall-mounted washing machine according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B in FIG. 5;
fig. 7 is an enlarged view of a portion C in fig. 6;
fig. 8 is a schematic view illustrating still another structure of an overflow exhaust assembly of a washing machine according to an embodiment of the present invention;
fig. 9 is an enlarged view of a portion D in fig. 8;
FIG. 10 is a schematic view of the structure of a tracheal adapter according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view of a tracheal adapter in accordance with an embodiment of the present invention;
fig. 12 is a schematic structural view of an overflow exhaust assembly of a washing machine according to another embodiment of the present invention;
fig. 13 is an exploded view of a wall-mounted washing machine according to another embodiment of the present invention;
fig. 14 is a partial assembly view of a wall-mounted washing machine according to another embodiment of the present invention;
fig. 15 is an exploded view of a cabinet assembly of a wall-mounted washing machine according to an embodiment of the present invention;
fig. 16 is a perspective view of a cabinet assembly of a wall-mounted washing machine according to an embodiment of the present invention;
FIG. 17 is a perspective view of a holder according to one embodiment of the present invention;
fig. 18 is a front view of a cabinet assembly of a wall-mounted washing machine according to an embodiment of the present invention;
FIG. 19 is a cross-sectional view taken along line E-E of FIG. 18;
FIG. 20 is a cross-sectional view taken along line F-F of FIG. 18;
fig. 21 is an enlarged view of a portion G in fig. 20.
Reference numerals:
100: an overflow exhaust assembly;
10: an overflow pipe; 11: a first overflow pipe; 12: a second overflow pipe;
20: an exhaust assembly;
21: a first exhaust pipe; 22: a second exhaust pipe; 24: an exhaust end;
23: an air tube adapter; 231: a first connection portion; 232: a second connecting portion; 233: a foam-killing part;
30: a three-way pipe;
40: a fastening unit; 41: a fastening body; 42: a buckling structure;
110: a pipe clamp;
200: a drainage assembly;
300: a fixing plate; 311: a fixing tongue;
400: a rear outer tub; 410: a through hole;
500: a connection part; 510: a protrusion unit;
600: a housing assembly; 601: a chamber;
620: a front housing; 621: positioning holes;
630: a fixing seat;
631: fixing the chamber; 632: avoiding the notch; 6321: an arc section; 6322: an inclined section;
633: a barrier sidewall;
640: a limit structure; 641: a limit part; 642: and a connecting section.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An overflow drain assembly 100 of a washing machine according to an embodiment of the present invention is described below with reference to the accompanying drawings, and the overflow drain assembly 100 may be applied to a wall-mounted washing machine.
As shown in fig. 1 to 14, the overflow exhaust assembly 100 of the washing machine according to an embodiment of the present invention includes an overflow pipe 10 and an exhaust assembly 20.
One end of the overflow pipe 10 is adapted to be connected to the tub rear outer tub 400 of the washing machine, and the other end of the overflow pipe 10 is in communication with the outside, such that the tub rear outer tub 400 of the washing machine forms a flow path with the outside through the overflow pipe 10, and when the water level in the tub rear outer tub 400 of the washing machine is excessively high or the foam is excessively high, the foam and water can be discharged through the flow path formed by the overflow pipe 10.
The exhaust assembly 20 is formed in a bent structure having a bent structure, one side of the exhaust assembly 20 is connected to the overflow pipe 10, and a pipe section bent structure of one side of the exhaust assembly 20 connected to the overflow pipe 10 is not lower than a connection between the exhaust assembly 20 and the overflow pipe 10 in an up-down direction, that is, a connection between the overflow pipe 10 and the exhaust assembly 20 is not higher than a pipe section of the exhaust assembly 20 directly connected to the overflow pipe 10 at a position where the bent structure is located in the up-down direction. In this way, the overflowed water in the rear tub 400 does not enter the exhaust assembly 20 through the overflow pipe 10, thereby ensuring a smooth flow path in the exhaust assembly 20.
When the foam is too much in the rear tub 400 of the washing machine and the flow path of the overflow pipe is too long, the flow resistance of the foam is increased, and when a part of the foam is not discharged, the foam is introduced into one side pipe section of the air discharge assembly 20 directly connected to the overflow pipe 10, and then slowly rises to the bending structure, and is mostly broken by extrusion in the bending structure, and at the same time, a small amount of foam may be introduced into the other side pipe section of the air discharge assembly 20 (i.e., positioned at the other side of the bending structure of the air discharge assembly 20) through the bending structure, at this time, the foam in the overflow pipe 10 is discharged to the outside, and at this time, a negative pressure is formed in the air discharge assembly 20, and the foam instantaneously flows back into the overflow pipe 10 and is discharged to the outside under the siphon effect.
According to the overflow exhaust assembly 100 of the washing machine, the exhaust assembly 20 which is connected with the overflow pipe 10 and has a bent structure is arranged, and one side pipe section of the bent structure, which is connected with the overflow pipe 10, of the exhaust assembly 20 is not lower than the connection position of the overflow pipe 10 and the exhaust assembly 20 in the up-down direction, so that excessive foam discharged from the rear outer tub 400 of the washing machine gradually rises to the bent structure air pipe adapter 23 after entering the exhaust assembly 20 and is broken at the bent structure air pipe adapter 23 in a large amount, the foam eliminating effect is achieved, and then, air pressure balance can be formed inside and outside the rear outer tub 400, and external pollution of the washing machine caused by overflow of foam in the rear outer tub 400 can be avoided.
As shown in fig. 1, according to an embodiment of the present invention, the exhaust assembly 20 is mainly composed of a first exhaust pipe 21 and a second exhaust pipe 22, one end of the first exhaust pipe 21 is connected to the overflow pipe 10 and extends upward substantially in a vertical direction (up-down direction as shown in fig. 1), one end of the second exhaust pipe 22 is connected to the other end of the first exhaust pipe 21, the other end of the second exhaust pipe 22 extends downward to form an exhaust end 24 that is in communication with the outside, and a junction of the first exhaust pipe 21 and the second exhaust pipe 22 is formed in a bent structure in a bent shape.
Specifically, when the foam in the rear tub 400 of the washing machine is not discharged until it is increased in flow resistance, a portion of the foam is introduced into the first exhaust duct 21, then slowly rises into the bent air duct adapter 23, and is mostly broken by being pressed by the inner wall surface in the bent air duct adapter 23, thereby achieving the effect of foam removal, even though a small amount of foam may continue into the second exhaust duct 22, since the foam and water in the overflow duct 10 have been discharged to the outside at this time, negative pressure is formed in the first and second exhaust ducts 21 and 22, and the foam instantaneously flows back into the overflow duct 10 under the siphon effect, and is discharged to the outside.
Referring to fig. 8 to 11, in an example of the present invention, the bending structure may be an air pipe adaptor 23, and the first exhaust pipe 21 and the second exhaust pipe 22 are connected through the air pipe adaptor 23, so that the foam entering the first exhaust pipe 21 is greatly broken by being extruded from the inner wall surface of the air pipe adaptor 23 when flowing to the air pipe adaptor 23, thereby achieving the effect of foam removal and balancing the air pressure of the rear outer tub 400.
As shown in fig. 8 to 11, in a further example of the present invention, the air pipe adaptor 23 is formed in a substantially herringbone structure, the air pipe adaptor 23 is mainly composed of a first connection portion 231, a second connection portion 232 and a foam-removing portion 233, the foam-removing portion 233 is located above the first connection portion 231 and the second connection portion 232, the first connection portion 231 communicates with the upper end of the first exhaust pipe 21, the second connection portion 232 communicates with the upper end of the second exhaust pipe 22, the first exhaust pipe 21, the second exhaust pipe 22 and the foam-removing portion 233 communicate with each other, so that after the foam entering the first exhaust pipe 21 rises to the first connection portion 231, the foam gradually enters the foam-removing portion 233 and is broken by the inner wall in the foam-removing portion 233, thereby achieving the foam-removing effect, even if a part of the foam is not broken and enters the second connection portion 233, and then enters the second exhaust pipe 22, but at this time, since the foam and water in the overflow pipe 10 have been siphoned to the outside, negative pressure is formed in the first exhaust pipe 21 and the second exhaust pipe 22, thus the foam is instantaneously discharged to the outside under the backflow effect.
As shown in fig. 10 and 11, in a further example, the top of the foam-extinguishing portion 233 is sealed so that a foam-pressing chamber can be formed in the foam-extinguishing portion, thereby enhancing the pressing action of the foam entering therein and improving the foam-extinguishing effect.
As shown in fig. 1 and 8-11, according to an alternative example of the present invention, the inner diameter of the air tube adapter 23 is smaller than the inner diameter of the first exhaust tube 21, so that more foam may be broken when foam enters the air tube adapter 23 from the first exhaust tube 21, and at the same time, the inner diameter of the air tube adapter 23 is smaller than the second exhaust tube 22, so that part of the foam continuously entering the second exhaust tube 22 may be gradually broken in the second exhaust tube 22, and the foam is prevented from flowing out of the body through the second exhaust tube 22. Of course, the specific inner diameters of the first exhaust pipe 21 and the second exhaust pipe 22 may be adjusted according to actual design requirements, as long as both are smaller than the air pipe adapter 23.
According to still another alternative example of the present invention, the exhaust end 24 of the second exhaust pipe 22 is lower than the junction of the overflow pipe 10 and the first exhaust pipe 21 in the up-down direction, so that the flow path can be increased, the foam is ensured to be gradually broken in the flow path, and the foam is prevented from flowing out of the washing machine through the second exhaust pipe 22 to affect the use.
As shown in fig. 12, 13 and 14, in another embodiment of the present invention, the exhaust assembly 20 includes a first exhaust pipe 21 and a second exhaust pipe (not shown), one end of the first exhaust pipe 21 is connected to the overflow pipe 10 and extends upward in a substantially vertical direction (up-down direction as shown in fig. 1), one end of the second exhaust pipe is connected to the other end of the first exhaust pipe 21, the other end of the second exhaust pipe is opened to form an exhaust end, and the second exhaust pipe is constructed in a bent structure, for example, the second exhaust pipe may be formed in an arc shape or a ring shape extending in a circumferential direction, so that a circulation path may be extended, gradual breakage of foam in the circulation path may be ensured, and outflow of foam out of the washing machine may be prevented from affecting use.
In some examples, to facilitate manufacturing and assembly, to improve the tightness between the first exhaust pipe 21 and the second exhaust pipe, the first exhaust pipe 21 and the second exhaust pipe may be integrally formed therebetween.
As shown in fig. 1, 3 and 4, in one embodiment of the present invention, the overflow pipe 10 is mainly composed of a first overflow pipe 11, a second overflow pipe 12 and a three-way pipe 30, the three-way pipe 30 includes a first port, a second port and a third port, the upper end of the first overflow pipe 11 is connected to the rear tub 400 of the washing machine, the lower end of the first overflow pipe 11 is connected to the first port, the upper end of the second overflow pipe 12 is connected to the second port, the lower end of the second overflow pipe 12 is in communication with the outside, and simultaneously, the air discharge assembly 20 is in communication with the overflow pipe 10 through the third port, thus facilitating the assembly connection of the overflow air discharge assembly 100 and simplifying the manufacturing process.
In one example of the present invention, for ease of manufacture and assembly, the inner diameters of the first and second overflow pipes 11, 12 are equal, and the inner diameters of the first and second exhaust pipes 21, 22 are equal, so that interchangeability between the overflow pipes 10 and between the exhaust pipes can be enhanced at the time of assembly.
According to an example of the present invention, in order to prevent excessive foam in the rear tub 400 from being discharged from the overflow pipe 10 and thus from the outlet end of the exhaust pipe through the flow path of the exhaust assembly 20, the inner diameter D1 of the overflow pipe 10 (including the first overflow pipe 11 and the second overflow pipe 12) is set to be larger than the inner diameter D2 of the exhaust pipe (including the first exhaust pipe 21 and the second exhaust pipe 22), whereby the capacity in the flow path of the overflow pipe 10 can be increased, thereby reducing foam entering the exhaust pipe. Of course, those skilled in the art can also extend the length of the exhaust pipe only according to actual design requirements, or set the inner diameter D1 of the overflow pipe 10 to be greater than or equal to the inner diameter D2 of the exhaust pipe, and the above examples can achieve the purpose of avoiding the foam flowing out of the washing machine from the exhaust end 24 of the exhaust assembly 20.
As shown in fig. 2 and 4, the overflow exhaust assembly 100 further includes a fastening unit 40, for example, an upper fastening unit 40 and a lower fastening unit 40 as shown in fig. 3, the upper fastening unit 40 fixedly connecting the overflow pipe 10 with the rear tub 400 of the washing machine, and the lower fastening unit 40 fixedly connecting the overflow pipe 10 with the drain assembly 200 of the washing machine, according to an embodiment of the present invention.
As shown in fig. 2, in a further example of the present invention, the fastening unit 40 is mainly composed of a fastening body 41 and a fastening structure 42, wherein the fastening body 41 is formed as a clip, and is sleeved at the connection between the overflow pipe 10 and the rear tub 400 of the tub body or the connection between the overflow pipe 10 and the drain assembly 200, and the fastening structure 42 is provided at both ends of the annular fastening body 41, so that the fastening body 41 can be fastened to the overflow pipe 10 by the cooperation of the fastening structure 42, thereby ensuring the connection reliability between the overflow pipe 10 and the rear tub 400 of the tub body and the drain assembly 200, and enhancing the tightness.
In a specific example of the present invention, in order to ensure the fixing stability of the overflow pipe 10 and the exhaust pipe, the overflow exhaust assembly 100 of the washing machine further includes a plurality of pipe clamps 110, for example, the number of the pipe clamps 110 may be 3, 5, or other, and the plurality of pipe clamps 110 are spaced apart on the back side of the fixing plate 300 of the washing machine along the length direction (as shown in fig. 4) of the overflow pipe 10 and the exhaust pipe, thereby realizing the limitation of the overflow pipe 10 and the exhaust pipe, preventing the overflow pipe 10 and the exhaust pipe from being separated from the fixing plate 300, and affecting the drainage foam of the overflow exhaust assembly 100 and the function of balancing the air pressure.
Hereinafter, a wall-mounted washing machine according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 4 to 7, the wall-mounted washing machine according to the embodiment of the present invention includes a fixing plate 300, a rear tub 400, a connection part 500, and the overflow exhaust assembly 100 according to the embodiment of the present invention.
The rear tub 400 is mounted on the front side (i.e., the front side as shown in fig. 6) of the fixing plate 300, a through hole 410 is provided at the upper end of the rear tub 400, a through mounting hole is provided on the fixing plate 300, the connection part 500 is penetrated in the mounting hole and the front end of the connection part 500 is in communication with the through hole 410, and the rear end of the connection part 500 is connected with the overflow exhaust assembly 100.
The wall-mounted washing machine according to the embodiment of the present invention has the characteristics of simple structure, safety and reliability, capability of realizing the balance of the air pressure inside and outside the rear outer tub 400, etc., by using the overflow exhaust assembly 100 according to the above-described embodiment of the present invention.
According to an embodiment of the present invention, as shown in fig. 6 and 7, the connection part 500 is formed in a substantially cylindrical shape, and a rounded transition between the front end of the connection part 500 and the through hole 410 is made so that water or foam can be better introduced into the overflow pipe 10, and the rear end of the connection part 500 is provided with the protrusion unit 510, and the protrusion unit 510 may be formed in a cylindrical end extending to the circumferential side, so that the overflow pipe 10 is prevented from falling off from the connection part 500 after being connected.
As shown in fig. 15 and 16, in some examples, the wall-mounted washing machine has a cabinet assembly 600, the cabinet assembly 600 has a size larger than that of the fixing plate 300, such that the cabinet assembly 600 may cover at least a portion of the outermost edge of the fixing plate 300, that is, the cabinet assembly 600 has a height slightly larger in the up-down direction than that of the fixing plate 300, a width slightly larger in the left-right direction than that of the fixing plate 300, and the cabinet assembly 600 may partially or entirely abut against the outer edge of the fixing plate 300 when being covered on the circumferential outer side of the fixing plate 300. Therefore, the force application point can be provided for a user on the mounting and dismounting wall body, and the operation is convenient.
As shown in fig. 15, in some examples, the case assembly 600 includes a front case 620, the front case 620 being coupled to the rear tub 400 and defining a chamber 601, and at least one set of left and right-directional stopper mechanisms being provided to left and right sides of the front case 620 and the rear tub 400, respectively. As shown in fig. 15 and 16, the front case 620 is generally a cavity structure adapted to the fixing plate 300, which is opened in the front-rear direction, such that the rear tub 400 and the fixing plate 300 integrally may be inserted into the front case 620 from the rear to the front or the front case 620 may be sleeved outside the rear tub 400 from the front to the rear during the assembly process to define a chamber 601 for washing laundry, wherein a door (not shown) for opening or closing the chamber 601 is provided at the front side of the front case 620.
The left and right sides of the front case 620 and the fixing plate 300 may be simultaneously provided with one or more sets of limit mechanisms for limiting the left-right direction offset of the front case 620 and the fixing plate 300, for example, one or more sets of limit mechanisms may be respectively provided at the left and right sides of the front case 620 and the fixing plate 300 in the front-rear direction; or more than one set of limit mechanisms may be provided at left and right sides of the front case 620 and the fixing plate 300 in the up-down direction, respectively; or more than one set of limiting mechanisms may be respectively disposed at the left and right sides of the front housing 620 and the fixing plate 300 in the front-rear direction and the up-down direction, so as to effectively limit the degree of freedom of the front housing 620 and the fixing plate 300 in the left-right direction, prevent the front housing 620 and the fixing plate 300 from being deformed or damaged due to the position deviation during use, and further effectively improve the service life of the cabinet assembly 600 of the whole wall-mounted washing machine.
In some embodiments of the invention, each set of limiting mechanisms may include: a holder 630 and a spacing structure 640. Specifically, the fixing seats 630 are provided on one of the side walls of the front case 620 or the side edges of the fixing plate 300. The limiting structure 640 is disposed on the other side wall of the front housing 620 or the side edge of the fixing plate 300, and the limiting structure 640 is adapted to be matched and fixed with the fixing base 630.
That is, the positions of the fixing base 630 and the limiting structure 640 are not particularly limited, and when the fixing base 630 is disposed on the front housing 620, the corresponding limiting structure 640 engaged therewith may be disposed on the side of the fixing plate 300; when the fixing base 630 is disposed on the side of the fixing plate 300, the corresponding limit structure 640 engaged therewith may be disposed on the side wall of the front housing 620. Of course, the fixing base 630 or the limiting structure 640 may be provided on both the side wall of the front case 620 and the side edge of the fixing plate 300. Thereby, the stability of the assembly between the front case 620 and the rear tub 400 is further improved.
In some alternative embodiments of the present invention, the spacing structure 640 includes: a stop 641 and a connecting section 642. The limiting portion 641 is connected to the front housing 620 or the side of the fixing plate 300 through a connecting section 642. For example, as shown in fig. 20, the limiting structure 640 is a large head screw, the large head of the large head screw is a limiting portion 641, and the shaft portion of the large head screw is a connecting section 642. The shaft portion of the large head screw is screw-engaged with the fixing plate 300 to connect the large head screw to the side of the fixing plate 300. It will be appreciated, of course, that the above description is illustrative only and not intended to limit the scope of the invention, and that the cap screws may be attached to the mounting plate 300 by snap fit.
In some examples, referring to fig. 20, 21 in combination with fig. 15 and 18, the holder 630 has a fixed chamber 631 therein, the fixed chamber 631 has a blocking sidewall 633, and the limiting portion 641 is adapted to be inserted into the fixed chamber 631 and limited by the blocking sidewall 633. That is, the limiting portion 641 is inserted into the fixing chamber 631 to prevent the left and right position deviation between the front housing 620 and the fixing plate 300, thereby further improving the stability of the coupling between the front housing 620 and the rear tub 400 and the service life of the cabinet assembly 600 of the wall-mounted washing machine.
In one embodiment of the present invention, as shown in fig. 15 in combination with fig. 20, the fixing seat 630 is disposed at the rear portion of the sidewall of the front housing 620, and the rear side of the fixing seat 630 is opened, and the limiting structure 640 is disposed at the side of the fixing plate 300, and the limiting portion of the limiting structure 640 is adapted to enter the fixing chamber 631 from the rear side of the fixing seat 630. The limiting structure 640 is a large head screw perpendicular to the side edge of the fixing plate 300 and connected, and a gap for accommodating the blocking sidewall 633 is arranged between the large head of the large head screw and the side edge of the fixing plate 300.
Specifically, as shown in fig. 15 and 20, the large head screw may include an umbrella-shaped large head portion and a screw portion with one end connected to the large head portion, the screw portion is fixedly connected to the fixing plate 300, the large head portion may be embedded into the fixing chamber 631 of the fixing base 630 along an arc surface of the umbrella shape, the large head portion is clamped in the fixing chamber 631 after falling into the fixing chamber 631, and the blocking sidewall 633 is clamped in the gap, thereby realizing stable engagement between the fixing plate 300 and the front housing 620, and avoiding the position shift of the front housing 620 and the fixing plate 300 in the left-right direction.
In other embodiments of the present invention, the blocking sidewall 633 is formed with relief notches adapted to pass through the shank portion of a large head screw. Specifically, as shown in fig. 15 and 20, the fixing base 630 is provided at the rear of the sidewall of the front housing 620 and the rear side is opened, and a relief notch 632 is formed on the sidewall of the fixing base 630 opposite to the sidewall of the front housing 620, wherein the large-head screw enters the fixing chamber 631 from the relief notch 632. In other words, the fixing base 630 is recessed from the back-to-front direction toward the side wall of the fixing plate 300 to form the fixing chamber 631, and the inner side wall of the fixing base 630 (the side of the fixing base 630 near the center of the front housing 620) forms the avoidance notch 632, and the large-head screw is provided on the side wall of the fixing plate 300 and extends in the left-to-right direction of the fixing plate 300. Thus, when the front housing 620 is engaged with the fixing plate 300, the large-headed screw is inserted through the opening end of the escape notch 632 and is inserted into the fixing chamber 631 and is moved from the rear to be caught in the fixing chamber 631.
Further, as shown in fig. 17, the avoidance gap 632 may include: an arcuate segment 6321 and two sloped segments 6322. Specifically, the arcuate segment 6321 is shaped to match the shape of the shank of a large head screw. Two inclined sections 6322 extend obliquely outward from both ends of the arc-shaped section 6321, respectively. In other words, the avoidance gap 632 gradually increases in width from the rear to the front, thereby facilitating the insertion of the large-head screw into the fixing chamber 631, and preventing the large-head screw from being detached from the fixing chamber 631, effectively improving the stability of the assembly between the front housing 620 and the fixing plate 300.
In still other embodiments of the present invention, the fixing plate 300 has a fixing tongue 311 at the top thereof, the fixing tongue 311 has a screw hole thereon, the rear side of the top wall of the front housing 620 has a positioning hole 621, and the positioning hole 621 coincides with the screw hole to be adapted to pass a screw after the front housing 620 is coupled with the fixing plate 300. As shown in fig. 15 to 16 in combination with fig. 18 to 19, after the rear tub 400 and the fixing plate 300 are inserted into the front case 620, the top of the front case 620 is covered on the top wall of the fixing plate 300, the positioning holes 621 and the screw holes are oppositely disposed in the up-down direction, and the screws pass through the positioning holes 621 and the screw holes to define the degrees of freedom of the front case 620 and the fixing plate 300 in the up-down direction, thereby further improving the stability of the assembly between the front case 620 and the fixing plate 300, preventing the front case 620 and the fixing plate 300 from being displaced in the up-down direction, and improving the service life of the case assembly 600 of the wall-mounted washing machine. Advantageously, a hole paste may be provided right above the screw, thereby improving the external appearance quality of the cabinet assembly 600 of the wall-mounted washing machine.
Hereinafter, a wall-mounted washing machine according to an embodiment of the present invention will be described in detail with reference to fig. 15 to 20.
Specifically, the front housing 620 is coupled to the fixing plate 300 and defines a chamber 601, and a plurality of sets of limiting mechanisms for limiting the left-right direction offset of the front housing 620 and the fixing plate 300 are provided at left and right sides of the front housing 620 and the fixing plate 300 in the up-down direction, respectively.
The spacing mechanism may include a holder 630 and a spacing structure 640. The holder 630 is provided at the rear of the sidewall of the front case 620 and the rear side is opened to form a fixing chamber 631, the fixing chamber 631 has a blocking sidewall 633, and the limiting portion 641 is adapted to be inserted into the fixing chamber 631 and blocked and limited by the blocking sidewall 633. A recess 632 is formed at a sidewall of the holder 630 opposite to the sidewall of the front case 620. The stopper 640 is provided on the fixing plate 300 in the left-right direction of the fixing plate 300. The limiting structure 640 may be a large-head screw, and the large-head screw enters the fixing chamber 631 from the avoidance gap 632. The large head screw is screw-engaged with the side of the fixing plate 300, and a gap accommodating the blocking sidewall 633 is provided between the large head of the large head screw and the side of the fixing plate 300.
Further, the avoidance gap 632 includes: an arcuate segment 6321 and two sloped segments 6322. The arcuate segment 6321 is shaped to match the shape of the shank of a large head screw. Two inclined sections 6322 extend obliquely outward from both ends of the arc-shaped section 6321, respectively. The avoidance gap 632 gradually increases from the rear to the front, so that the large-head screw is conveniently embedded into the fixing chamber 631, and at the moment, the blocking side wall is blocked into the gap between the large head of the large-head screw and the fixing plate 300, thereby avoiding the large-head screw from being separated from the fixing chamber 631, and effectively improving the assembling stability between the front shell 620 and the fixing plate 300.
The fixing plate 300 has a fixing tongue 311 at the top, a screw hole is formed in the fixing tongue 311, a positioning hole 621 is formed at the rear side of the top wall of the front case 620, and the positioning hole 621 coincides with the screw hole to be adapted to pass a screw after the front case 620 is coupled with the fixing plate 300. The screws pass through the positioning holes 621 and the screw holes to define the degrees of freedom of the front housing 620 and the fixing plate 300 in the up-down direction, thereby further improving the stability of the assembly between the front housing 620 and the fixing plate 300, preventing the front housing 620 and the fixing plate 300 from being displaced, and improving the service life of the case assembly 600.
The assembly process of the wall-mounted washing machine of the above embodiment is approximately as follows: firstly, installing and arranging a screw rod part of a big head screw on a fixed plate 300; then, the fixing plate 300 and the rear tub 400 are moved in the front housing 620 direction along the front and rear directions such that the fixing plate 300 and the rear tub 400 extend into the front housing 620, and the large-head screw is fastened in the fixing chamber 631 such that the front housing 620 and the fixing plate 300 are stably engaged in the left and right directions; finally, the screws are passed through the positioning holes 621 and the screw holes so that the front housing 620 and the fixing plate 300 are further stably engaged in the up-down direction.
Other constructions and operations of the overflow drain assembly 100 of the washing machine and the wall-mounted washing machine according to the embodiment of the present invention are well known to those skilled in the art, and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
1. An overflow exhaust assembly (100) of a washing machine, comprising:
an overflow pipe (10), one end of the overflow pipe (10) is suitable for being connected to a rear outer tub (400) of the washing machine, and the other end is communicated with the outside to discharge water or foam;
the exhaust assembly (20), the said exhaust assembly (20) forms to have a bending structure, one side of the said exhaust assembly (20) connects to the said overflow pipe (10), and the said bending structure is not lower than the junction of the said exhaust assembly (20) and said overflow pipe (10) in the up-down direction;
a fastening unit (40);
the exhaust assembly (20) includes:
a first exhaust pipe (21), one end of the first exhaust pipe (21) being connected to the overflow pipe (10), the other end extending upward;
a second exhaust pipe (22), one end of the second exhaust pipe (22) is connected to the first exhaust pipe (21), and the other end extends downwards and is open to form an exhaust end (24); the joint of the first exhaust pipe (21) and the second exhaust pipe (22) is formed into the bending structure;
the first exhaust pipe (21) is connected with the second exhaust pipe (22) through an air pipe adapter (23), and the bending structure is the air pipe adapter (23).
2. The overflow exhaust assembly (100) of claim 1, wherein the air duct adapter (23) has a first connection portion (231), a second connection portion (232), and a foam-killing portion (233) located above the first connection portion (231) and the second connection portion (232), such that the air duct adapter (23) is shaped into a "man" structure; the first connecting part (231) is connected with the first exhaust pipe (21), the second connecting part (232) is connected with the second exhaust pipe (22), and the first connecting part (231), the second connecting part (232) and the foam eliminating part (233) are communicated.
3. The overflow vent assembly (100) of claim 2, wherein the top of the foam deactivation module (233) is sealed such that a foam extrusion chamber is formed within the foam deactivation module (233).
4. A water overflow exhaust assembly (100) of a washing machine according to any of claims 1-3, characterized in that the inner diameter of the air pipe adaptor (23) is smaller than the inner diameter of the first exhaust pipe (21) and smaller than the inner diameter of the second exhaust pipe (22).
5. The overflow exhaust assembly (100) of a washing machine according to claim 1, wherein an exhaust end (24) of the second exhaust pipe (22) is lower than a junction of the overflow pipe (10) and the first exhaust pipe (21) in an up-down direction.
6. The overflow drain assembly (100) of a washing machine according to claim 1, wherein the drain assembly (20) comprises:
a first exhaust pipe (21), one end of the first exhaust pipe (21) being connected to the overflow pipe (10), the other end extending upward;
and one end of the second exhaust pipe is connected to the first exhaust pipe (21), the other end of the second exhaust pipe is open to form an exhaust end, and the second exhaust pipe is formed into the bending structure.
7. The overflow exhaust assembly (100) of a washing machine according to claim 6, characterized in that the first exhaust pipe (21) and the second exhaust pipe (22) are integrally formed.
8. The overflow exhaust assembly (100) of a washing machine according to claim 1, wherein the overflow pipe (10) comprises a first overflow pipe (11) and a second overflow pipe (12), one end of the first overflow pipe (11) is adapted to be connected to a rear tub (400) of the washing machine, the overflow exhaust assembly (100) further comprises a tee pipe (30),
the three-way pipe (30) is provided with a first port, a second port and a third port, the first port is communicated with the other end of the first overflow pipe (11), the second port is communicated with the second overflow pipe (12), and the third port is communicated with one end of the exhaust group.
9. The overflow exhaust assembly (100) of a washing machine according to claim 8, wherein the first overflow pipe (11) and the second overflow pipe (12) have the same inner diameter, and the first exhaust pipe (21) and the second exhaust pipe (22) have the same inner diameter.
10. The overflow exhaust assembly (100) of a washing machine according to claim 9, characterized in that the relation between the inner diameter D1 of the first overflow pipe (11) and the second overflow pipe (12) and the inner diameter D2 of the first exhaust pipe (21) and the second exhaust pipe (22) corresponds to: d1 And (3) not less than D2.
11. The overflow exhaust assembly (100) of a washing machine according to claim 1, wherein the fastening unit (40) includes:
the fastening body (41) is sleeved at the joint of the overflow pipe (10) and the rear outer barrel (400) or the joint of the overflow pipe (10) and the drainage assembly (200) of the washing machine;
the buckling structure (42) is arranged at two ends of the fastening body (41), and the fastening body (41) is clamped on the overflow pipe (10) by the buckling structure (42).
12. The overflow drain assembly (100) of a washing machine according to claim 1, wherein the washing machine includes a fixing plate (300), the overflow drain assembly (100) further comprising:
the pipe clamps (110) are arranged on the back side of the fixing plate (300) at intervals along the length direction of the overflow pipe (10) and the exhaust assembly (20) so as to limit the overflow pipe (10) and the exhaust assembly (20).
13. A wall-mounted washing machine, comprising:
a housing assembly (600);
a fixing plate (300), wherein a through mounting hole is formed in the fixing plate (300);
a rear outer tub (400), the rear outer tub (400) being mounted on a front side of the fixing plate (300), the rear outer tub (400) being provided with a through hole (410);
the connecting part (500) is penetrated in the mounting hole, and one end of the connecting part (500) is communicated with the through hole (410);
the overflow exhaust assembly (100) of a washing machine according to any of claims 1-12, the overflow exhaust assembly (100) being connected to the other end of the connection part (500).
14. Wall-mounted washing machine according to claim 13, characterized in that the connection portion (500) is formed as a cylinder, one end of which is smoothly transited with the through hole (410), and the other end of which is provided with a protruding unit (510) adapted to fix the overflow pipe (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370330.3A CN107177962B (en) | 2017-05-23 | 2017-05-23 | Overflow exhaust assembly of washing machine and wall-mounted washing machine with overflow exhaust assembly |
| PCT/CN2017/110844 WO2018214415A1 (en) | 2017-05-23 | 2017-11-14 | Overflow and exhaust assembly of washing machine and wall-mounted washing machine having overflow and exhaust assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370330.3A CN107177962B (en) | 2017-05-23 | 2017-05-23 | Overflow exhaust assembly of washing machine and wall-mounted washing machine with overflow exhaust assembly |
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| CN107177962A CN107177962A (en) | 2017-09-19 |
| CN107177962B true CN107177962B (en) | 2023-08-22 |
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| CN201710370330.3A Active CN107177962B (en) | 2017-05-23 | 2017-05-23 | Overflow exhaust assembly of washing machine and wall-mounted washing machine with overflow exhaust assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214406A1 (en) * | 2017-05-23 | 2018-11-29 | 无锡小天鹅股份有限公司 | Wall-mounted washing machine case assembly and wall-mounted washing machine having same |
| WO2018214415A1 (en) * | 2017-05-23 | 2018-11-29 | 无锡小天鹅股份有限公司 | Overflow and exhaust assembly of washing machine and wall-mounted washing machine having overflow and exhaust assembly |
| CN110952282B (en) * | 2018-09-27 | 2023-03-31 | 青岛胶南海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN110965280B (en) * | 2018-09-27 | 2022-07-19 | 青岛海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN109355866B (en) * | 2018-11-19 | 2022-05-13 | 青岛海尔洗涤电器有限公司 | Washing machine |
| CN111394944A (en) * | 2019-01-02 | 2020-07-10 | 青岛海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN112095298A (en) * | 2019-06-18 | 2020-12-18 | 青岛海尔滚筒洗衣机有限公司 | Air pressure balancing device, washing machine and control method of washing machine |
| CN110578237B (en) * | 2019-06-28 | 2023-09-12 | 青岛海尔洗涤电器有限公司 | Drum washing machine and water inlet system thereof |
| CN111058236B (en) * | 2019-12-05 | 2024-06-25 | 青岛海尔洗涤电器有限公司 | Drum washing machine |
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| CN107177962A (en) | 2017-09-19 |
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Effective date of registration: 20190805 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Little Swan Electric Co.,Ltd. Address before: 214028 Wuxi Changjiang Road, New District, Jiangsu, No. 18 Applicant before: WUXI LITTLE SWAN Co.,Ltd. |
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