Qingdao Haier Washing Machine Co., Ltd.

Qingdao Haier Smart Technology R&d Co., Ltd.

Haier Smart Home Co., Ltd.

Qingdao Haier Drum Washing Machine Co., Ltd.

Haier Group Corporation

Haier Group Technique R&d Center

Yimin Li

Chunfeng Lao

Sheng Xu

Peishi Lv

Di Wu

Xinghui Hao

Yanfen Lv

Shilong Hao

Zhiqiang Zhao

Yang Li

Zhengbao He

Xiuwen Peng

Liang Sun

Haitao Hu

Jingjing Zhang

Hua Liu

Hongxia Sun

Haitao Liu

Chunxu Wang

Yongxin Wang

A laundry lifting device for a washing machine includes a body with an accommodating chamber, a water inlet arranged in the body and communicated with the accommodating chamber, and a centrifugal drainage assembly arranged in the accommodating chamber. The centrifugal drainage assembly includes a sealing plunger capable of doing reciprocating motion and an elastic piece for elastically resetting the sealing plunger, the body is provided with a plunger base for installing the sealing plunger, and the elastic piece is kept limited in the plunger base in the reciprocating motion process of the sealing plunger. The elastic piece is installed in the plunger base in the sealing mode, and the elastic piece is kept limited in the plunger base in the reciprocating motion of the sealing plunger. So thread scraps are prevented from being hung on the elastic piece.

Laundry lifting device for washing machine and drum washing machine

An inner drum comprises lifting ribs extending along a generatrix of the inner drum, each being hollow inside, a water-splashing surface of each of the lifting ribs has permeable holes to allow a hollow part of each of the lifting ribs to communicate with an inside of the inner drum, and a rear end of each is arranged close to an inner drum bottom, and provided with a water outlet structure. A no-clean washing machine is installed with the inner drum, the inner drum is a closed container with an opening closed by a door. When the inner drum rotates at a high speed, the washing water is guided towards the inner drum bottom and flows to a center of the bottom along a water guide flow channel on the bottom, and is discharged out of the inner drum through a water outlet connector of a central joint.

Inner drum and no-clean washing machine

A sealing valve plug structure includes a valve plug column corresponding to the drain opening formed in the side wall of an inner drum, and a counterweight hinged to the upper end of the valve plug column. The sealing valve installation structure is installed on the side wall of the drum, and the reset spring is clamped between the sealing valve installation structure and the valve plug column. The counterweight is used to generate an action, under the action of centrifugal force, to open the drain opening, and the valve plug column is reset by the reset spring to make the valve plug block the drain opening, to thereby open and close the drain opening. A cleaning-free washing machine having an inner drum sealed by the sealing valve plug structure is also disclosed.

Valve plug structure of sealing valve and cleaning-free washing machine

An inner drum cover is provided at a drum opening of an inner drum of a washing machine, the inner drum cover is used to open or close the drum opening, so that the inner drum forms a closed container after the drum opening is closed by the inner drum cover. The inner drum can perform washing after the inner drum cover is correspondingly fastened to the drum opening, so that clothes only come into contact with washing water in the sealed inner drum in a washing process. In this way, a case in which the clothes are contaminated because washing water between the inner drum and an outer drum flows into the inner drum is avoided, washing cleanliness of the washing machine is greatly improved, and incomplete washing of the clothes caused by contamination of the washing water between the inner drum and the outer drum is avoided.

Washing machine

A support plate mounted on the inner side wall of an inner drum has a through hole corresponding to drain openings formed in the wall of the drum, and a gap between the support plate and the side wall of the inner drum forms a space for valve plugs of sealing valves to move up and down; a mounting sleeve installed on the upper side of the support plate has an inner through hole coaxially arranged with the through hole in the support plate, so that the valve plugs of the sealing valves are coaxially installed in the inner through hole and can move up and down. A drain opening formed in the side wall of the inner drum is provided with a sealing valve installed on the inner drum via the sealing valve structure.

Sealing valve installation structure and cleaning-free washing machine

A drum washing machine comprises an inner drum rotatable. Both ends of the inner drum are closed and rotatably mounted on a supporting device through rotating shafts, respectively. A side wall of the inner drum is provided with an input port for taking and putting items. A sealing inner cover capable of being opened/closed is mounted at the input port. A water flow passage for feeding water and/or draining water is arranged in at least one of the rotating shafts at both ends of the inner drum. The whole inner drum may be made into a drum without any hole. During the washing process, washing water is held in the inner drum, and the inner drum rotates to wash clothes. The two closed ends of the inner drum are rotatably mounted on the supporting device through the rotating shafts, thus realizing rotation of the inner drum.

Drum washing machine

A washing machine comprises a cabinet, a washing drum rotatably arranged in the cabinet, wherein the washing drum is a water holding drum to accommodate washing water, a water drainage channel which discharges water from top to bottom is arranged at an inner side of a peripheral wall of the washing drum, an upper end of the water drainage channel communicates with the inside of a washing drum, and a lower end communicates with the outside of the washing drum. The water drainage channel comprises a water channel casing and at least part of a washing drum wall, and one side, facing the washing drum wall, of the water channel casing is provided with a cut-through groove, the water channel casing is fastened on the washing drum wall, and forms a water flow channel together with the washing drum wall.

A drum washing machine comprises a machine body, a door body, an inner drum and a water feeding device. The inner drum is rotatably arranged in the machine body, and holds water in a washing. A front part of the inner drum is provided with an input port for taking and putting clothes. The door body is mounted at a front part of the machine body corresponding to the input port of the inner drum for opening or closing the input port. An end with the input port of the inner drum is hermetically connected with the door body in a relatively rotating manner. The water feeding device includes a first water feeding pipe connected with an external water source, a water collection sump corresponding to the first water feeding pipe arranged on the door body, and a second water feeding pipe arranged in the door body.

An inner drum of a washing machine has a plurality of hollow lifting ribs arranged on the side wall of the drum that communicate with the interior of the drum. At least one drainage port communicating with the hollow portions of the lifting ribs is formed in the side wall of the drum. A sealing valve is located inside each lifting rib at each drainage port. During high-speed rotation of the drum, valve bodies of the sealing valves move along a radial center direction of the drum under a centrifugal force, to open the drainage ports. Through this arrangement, discharging water flow in the drum to the outside from the hidden drainage ports is achieved. Meanwhile, centrifugal force during the high-speed rotation of the drum is used to control valve cores of the sealing valves such that the drainage ports are automatically opened for drainage from the drum.

A drum washing machine comprises a body, a door, an inner drum and a drain channel. The drum is rotatably arranged in the body. A delivery port is on a front portion of the drum, and the door is on a front portion of the body corresponding to the delivery port of the drum. A sealing sleeve is arranged on a portion, corresponding to a periphery of the delivery port, of the inner drum. A sealing connecting piece is arranged at a portion, corresponding to a periphery of the door, of the body, and the sealing connecting piece is connected with the sealing sleeve and rotates relative to the drum; and one end of the drain channel extends into the interior of the sealing connecting piece and communicates with the drum, and the other end of the drain channel communicates with a drain valve.

A washing machine including: a first drainage pump arranged between a washing drum and a filter membrane assembly. The first drainage pump pumps water in the washing drum into the filter membrane assembly for filtration and ensures that a water level in a water inlet cavity of the filter membrane assembly is not higher than a lower edge of a sewage outlet, so as to prevent reduce of the amount of washing water due to drainage of excessive washing water/rinsing water. Since the first drainage pump is a low-lift water pump, water in the filter membrane assembly moves continuously during filtration, so as to scour pollutants on a surface of a filter membrane/membrane filament, reduce an accumulation degree of the pollutants, effectively prevent blockage and achieve low noise.

Washing machine control method and washing machine

A water-saving washing machine and a control method are provided. The washing machine includes a washing drum and an outer drum, where a circulating pipeline is arranged between an outer drum drainage outlet and an outer drum water inlet, a drainage pump and a main filter are arranged on the circulating pipeline, a pre-filter is further arranged on the circulating pipeline, the pre-filter is located between the drainage pump and the main filter, and a compactness of a filter screen of the pre-filter is lower than that of a filter screen of the main filter.

Water-saving washing machine and control method

A washing machine and washing method thereof comprises an inner tub, an outer tub and solid particles as washing medium. The inner tub, of which the inner wall is provided with lifting ribs protruding inward, rotates under the driving power of a driving device. Inside the washing machine, a storage tank for storing particles connects to the inner tub through a discharge channel for recycling particles and a feeding channel for putting in particles, and an air suction device is arranged on the feeding channel. Through alternate clockwise and counter-clockwise rotates of the inner tub, clothes and particles within are overturned in all directions, thus clothes and particles get better blended, and the cleaning rate gets improved. Meanwhile, putting-in and recycling particles through an air suction device is conducive to 100% recycling of particles.

Growing community of inventors

Shandong, China

Yimin Li