CN110195330B

CN110195330B - Water outlet structure and washing-free washing machine

Info

Publication number: CN110195330B
Application number: CN201810163969.9A
Authority: CN
Inventors: 李以民; 劳春峰; 刘海涛; 吕佩师
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2018-02-27
Filing date: 2018-02-27
Publication date: 2023-03-31
Anticipated expiration: 2038-02-27
Also published as: CN110195330A

Abstract

The invention relates to a water outlet structure of a washing machine.A sealed water flowing cavity is fixedly arranged at the rear side of a supporting piece of an inner cylinder of the washing machine, a water outlet joint fixed with the supporting piece of the inner cylinder is arranged on the water flowing cavity, and the end part of a water guide sleeve rotating along with the inner cylinder extends into the water flowing cavity so as to discharge washing water flowing out of the inner cylinder along the water guide sleeve. The washing machine is characterized in that the inner cylinder of the washing machine is a container with an opening closed after being buckled by a door cover, and when the inner cylinder rotates at a high speed, washing water is guided to flow towards the bottom of the inner cylinder, flows to the center of the bottom of the inner cylinder along a water guide flow passage arranged at the bottom of the inner cylinder and is discharged out of the inner cylinder through a water outlet interface of the central joint; the water outlet interface at the rear end of the bottom of the inner cylinder is correspondingly spliced and communicated with the first end of the water guide sleeve, and the second end of the water guide sleeve is communicated with the drainage pipe of the washing machine through the water outlet structure. The water flowing chamber is arranged at the rear side of the washing machine, so that the purpose of smoothly discharging the washing water guided out by the water guide sleeve out of the washing machine is achieved.

Description

Water outlet structure and washing-free washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to a washing machine which is only provided with a rotatable inner barrel capable of containing water, and a water outlet structure applied to the washing machine.

Background

In the prior art, a drum washing machine generally comprises an inner drum and an outer drum which are mutually sleeved, wherein the outer drum is sealed and used for containing water, and the inner drum is used for containing clothes and beating and washing the clothes by rotating the inner drum; meanwhile, the inner barrel is provided with dehydration holes, so that water in the outer barrel flows into the inner barrel through the dehydration holes to soak the clothes in the inner barrel, the water in the inner barrel flows out of the outer barrel through the dehydration holes, and moisture on the clothes in the inner barrel is discharged to the outer barrel through the dehydration holes when the inner barrel rotates at a high speed, so that the aim of washing the clothes is fulfilled.

However, because the inner cylinder and the outer cylinder are mutually sleeved, dirt is easily accumulated between the inner cylinder and the outer cylinder in the use process of the washing machine; meanwhile, because the inner drum and the outer drum are mutually sleeved, a user cannot clean the outer wall of the inner drum and the inner wall of the outer drum, so that bacteria in the washing machine are increased, and the washing efficiency of the washing machine and the cleanliness of washed clothes are reduced.

Meanwhile, in the existing washing machine, the outer cylinder is sleeved outside the inner cylinder, and clothes are beaten and washed through the rotation of the inner cylinder in the washing process of the washing machine, so that the washing capacity of the washing machine is based on the inner cylinder, the utilization rate of the internal space of the washing machine is low, and the washing capacity of the washing machine cannot be expanded on the existing basis.

In view of this, how to arrange a washing machine, so as to integrate the inner and outer cylinders into one, or directly arrange the closed inner cylinder, and make the inner cylinder be a sealed container, which can not only contain water and clothes, but also rotate to beat the clothes for washing, and also avoid the problem that the washing water flows between the inner and outer cylinders and needs to wash between the inner and outer cylinders; meanwhile, as the washing machine is not provided with the outer barrel or the outer barrel and the shell of the washing machine are integrally arranged, the inner barrel of the washing machine can be expanded to expand the washing capacity of the washing machine, which becomes a research and development hotspot.

However, since the inner tub is not only used for containing washing water, but also rotated to beat and clean the clothes in the tub, how to provide a dehydration structure and a drainage structure suitable for the above washing machine becomes a difficult problem to be solved urgently.

The present application is particularly proposed in view of the above technical drawbacks.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks of the prior art, and providing a washing machine, which has an inner tub with dual functions of containing washing water and agitating laundry. The invention also relates to a water outlet structure of the washing machine, which aims to achieve the aim of guiding the washing water guided out by the water guide sleeve rotating together with the inner barrel to the drainage pipe of the washing machine for drainage.

In order to solve the technical problems and achieve the technical effects, the basic design idea of the technical scheme adopted by the invention is as follows:

a water outlet structure of a washing machine is characterized in that a sealed water flowing cavity is fixedly arranged at the rear side of a supporting piece of an inner barrel of the washing machine, a water outlet joint fixed with the supporting piece of the inner barrel is arranged on the water flowing cavity, and the end part of a water guide sleeve rotating along with the inner barrel extends into the water flowing cavity so as to discharge washing water flowing out of the inner barrel along the water guide sleeve.

Further, a fixed frame is fixedly arranged at the rear side of the supporting piece of the inner barrel of the washing machine, a water outlet joint is fixedly arranged on the fixed frame, and a sealed water flowing chamber communicated with the water outlet joint is arranged on the fixed frame; the end part of the water guide sleeve rotating along with the inner cylinder extends into the water flowing chamber and carries out dynamic sealing treatment on the penetrating connection part, and the washing water flowing out from the inner cylinder along the water guide sleeve is guided to the water flowing chamber and then flows out through the water outlet joint.

Furthermore, the center of the fixing frame is provided with a through hole which is coaxial with the inner cylinder; the through hole is provided with a cylindrical mounting sleeve which is coaxial with the inner cylinder, the front side of the mounting sleeve is in sealed insertion connection with the end part of the water guide sleeve, and the rear side of the mounting sleeve is in sealed connection with the water outlet joint, so that the hollow part of the mounting sleeve is enclosed into a closed water flowing cavity.

Further, a bearing sleeve for positioning and supporting the water guide sleeve and a movable sealing sleeve for sealing the water guide sleeve are sequentially arranged in the mounting sleeve from front to back, the bearing sleeve and the movable sealing sleeve are correspondingly sleeved on the periphery of the water guide sleeve, and the periphery of the movable sealing sleeve is in sealing fit contact with the inner wall of the mounting sleeve.

Furthermore, the water outlet joint comprises a flange plate covering the rear side of the mounting sleeve, and the flange plate is hermetically connected with the rear side of the mounting sleeve; the center of the flange plate is provided with a water outlet which is coaxial with the inner cylinder, and the water outlet is correspondingly communicated with the water flowing chamber; preferably, the water outlet is a cylindrical opening which protrudes and extends backwards from the flange plate; further preferably, a circle of limiting ribs protruding towards the inside of the mounting sleeve is arranged on the front side of the flange, the end portions of the limiting ribs are abutted to the sealing sleeve, the outer circumference of the limiting ribs and the inner circumference of the mounting sleeve are arranged in the same size, and the limiting ribs are correspondingly attached to and contacted with the inner wall of the mounting sleeve.

Furthermore, two sides of the mounting flange plate are respectively in corresponding joint contact with the flange plate and the fixing frame, and the mounting flange plate, the flange plate and the fixing piece are respectively fixedly connected through bolts; preferably, the outer circumference of the flange is larger than the inner circumference of the mounting sleeve and smaller than the outer circumference of the mounting flange.

Furthermore, the movable sealing sleeve is a sealing ring with a C-shaped cross section, and two ends of the movable sealing sleeve are respectively in limit contact with the flange plate of the water outlet connector and the bearing sleeve

Furthermore, the fixing frame is a strip-shaped plate which vertically extends and is symmetrical to the axis of the inner cylinder, two ends of the fixing frame are respectively bent towards the direction of the inner cylinder, the bent parts are respectively and fixedly connected with the rear side of the inner cylinder supporting piece, and the mounting sleeve is arranged at the center of the fixing frame and is coaxial with the inner cylinder shaft.

Further, a driving motor which is coaxial with the inner cylinder is fixedly installed on the rear side of the inner cylinder supporting piece, and the driving motor is arranged between the fixing frame and the inner cylinder supporting piece and is respectively spaced from the fixing piece and the inner cylinder supporting piece by a certain gap; preferably, the water guide sleeve penetrates through the driving motor and is fixedly meshed with a rotor of the driving motor, a limiting sleeve is sleeved on the periphery of the water guide sleeve and is arranged between the rotor and the mounting sleeve, and the outer peripheral diameter of the limiting sleeve is larger than the diameter of the bearing sleeve so as to prevent the bearing sleeve from falling off from the mounting sleeve.

The invention also introduces a washing-free washing machine, the inner cylinder of the washing machine is a closed container with an opening buckled by a door cover, and when the inner cylinder rotates at high speed, the washing water is guided to flow towards the bottom of the inner cylinder and flows to the center of the bottom of the inner cylinder along a water guide flow channel arranged at the bottom of the inner cylinder and is discharged out of the inner cylinder through a water outlet interface of a central joint; the water outlet interface at the rear end of the bottom of the inner cylinder is correspondingly spliced and communicated with the first end of the water guide sleeve, and the second end of the water guide sleeve is communicated with the drain pipe of the washing machine through any one of the water outlet structures.

Compared with the washing machine in the prior art, the washing machine of the invention has the following beneficial effects:

through the arrangement, the purpose that the washing water in the inner barrel is guided to be discharged outside the water guide flow channel arranged at the bottom of the inner barrel by using the centrifugal force when the inner barrel rotates at a high speed is achieved, and the double effects of controllable discharging of the washing water when the inner barrel rotates at a high speed and water storage washing in the inner barrel when the inner barrel rotates normally are utilized; when the washing machine executes a dewatering and/or draining program, the centrifugal force generated by the high-speed rotation of the inner barrel acts on the washing water and is automatically discharged out of the washing machine along the water guide flow channel and then along the water guide sleeve.

In addition, the water guide sleeve which guides the outflow of the washing water and rotates together with the inner barrel is directly and correspondingly spliced with the drainage pipe of the washing machine after being connected with the water flowing chamber in a dynamic sealing manner by arranging the water flowing chamber at the rear side of the washing machine, so that the problems that the rotation generated by the direct butt joint of the water guide sleeve and the drainage pipe is asynchronous and cannot be in butt joint are avoided, and the purpose that the washing water drained from the water guide sleeve is smoothly discharged out of the washing machine is further realized.

Meanwhile, the invention has simple structure and obvious effect and is suitable for popularization and use.

In order to make the design concept of the technical solution of the present invention clearer and facilitate further understanding of the beneficial effects brought by the technical solution, some specific embodiments of the present invention are described in detail below 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 schematic view of the inner tub structure of the washing machine according to the embodiment of the present invention;

FIG. 2 is a schematic view of an installation structure of the washing machine in the embodiment of the present invention;

FIG. 3 is a schematic sectional view illustrating a washing machine according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the embodiment of the present invention at A in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 3 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 3 according to an embodiment of the present invention;

FIG. 7 is a schematic illustration of an exploded view of the installation of the water guide sleeve in an embodiment of the invention;

FIG. 8 is a schematic structural view of a lifting rib according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a lifting rib in another embodiment of the present invention.

The figure is marked with: 1. the water outlet device comprises an inner cylinder, 2, lifting ribs, 3, a water guide flow channel, 4, an inner cylinder supporting piece, 5, a central joint, 6, an inner cylinder bottom, 7, a water stirring rib, 8, a water permeable hole, 9, a notch, 10, a water passing chamber, 11, a water guide sleeve, 12, a driving motor, 13, an outer rotor, 14, an inner stator, 15, a bearing seat, 16, a front bearing sleeve, 17, a rear bearing sleeve, 18, a movable sealing ring, 19, a water flowing chamber, 20, a supporting piece, 21, a water outlet joint, 22, a fixing frame, 23, an installation sleeve, 24, a bearing sleeve, 25, a movable sealing sleeve, 26, a flange plate, 27, an installation flange plate, 28, a limiting rib, 29, a water outlet, 30, a limiting sleeve, 31, a baffle plate, 500, a central joint body, 501 and a water outlet interface.

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 a specific case to those of ordinary skill in the art.

As shown in fig. 1 to 9, the embodiment of the present invention discloses a washing machine, which comprises a housing, wherein an inner cylinder 1 is arranged in the housing, an axis of the inner cylinder 1 extends horizontally or is inclined downwards from front to back, a front end of the inner cylinder 1 is an open inner cylinder opening, and a rear end of the inner cylinder 1 is a sealed inner cylinder bottom; the wall of the inner cylinder 1 is not provided with a through hole, so that the inner part of the inner cylinder 1 forms a sealed container only with an opening at the front part. Meanwhile, the front end of the shell of the washing machine is provided with a door cover which can be opened outwards, so that the aim of closing the opening of the inner cylinder after the door cover is closed and throwing clothes into the inner cylinder 1 from the opening of the inner cylinder after the door cover is opened is fulfilled. The rear end of the inner barrel 1 is arranged in the shell of the washing machine through an inner barrel supporting piece, the inner barrel supporting piece and the rear end of the inner barrel 1 are coaxially arranged, the upper end and the lower end of the inner barrel supporting piece are respectively bent towards the direction of a front end barrel opening of the inner barrel 1, the bent part at least extends to the middle part of the inner barrel 1, and the upper bent part and the lower bent part are respectively connected with the shell of the washing machine through a damping hanging spring and a damping supporting rod so as to achieve the purpose that the inner barrel supporting piece can be arranged in the shell of the washing machine in a vibrating manner; meanwhile, the center of the bottom of the inner barrel is coaxially arranged with a motor shaft of a driving motor of the washing machine so as to drive the inner barrel to rotate, and the inner barrel and the driving motor are fixedly arranged on the inner barrel supporting piece. Preferably, the inner cylinder bottom and the driving motor are respectively arranged at two sides of the inner cylinder support, the driving motor is fixedly connected with the inner cylinder support, a motor shaft of the driving motor passes through the inner cylinder support through a bearing and is coaxially and fixedly connected with the inner cylinder bottom, and the driving motor shaft can rotate relative to the inner cylinder support, so that the purposes that the inner cylinder 1 and the driving motor are arranged on the inner cylinder support and the inner cylinder 1 can independently rotate under the action of the driving motor to wash the internal clothes are achieved.

In addition, the washing machine in the embodiment of the invention can be any washing machine in the prior art, which is provided with a door cover to close the opening of the inner cylinder and then the inner cylinder forms a sealed container, so that when the washing machine executes a dehydration program, the inner cylinder is controlled to rotate at a high speed, water flow separated from clothes in the inner cylinder is smoothly discharged out of the inner cylinder, and the aim of normally executing the dehydration program on the washing machine with the non-porous inner cylinder is further achieved. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure shown in the drawings, for example: and the existing common washing machine can be adopted, and the washing machine with the sealed container formed after the inner cylinder 1 is provided with no dehydration hole and the inner cylinder opening is closed by the door cover is only needed. Of course, an inner cylinder cover can be independently arranged at the opening of the inner cylinder of the washing machine, the inner cylinder cover can be independently operated without using a door cover, and the opening of the inner cylinder can be sealed and closed by using the inner cylinder cover. Meanwhile, the washing machine in the embodiment of the invention can also be suitable for a top-opening washing machine, the side wall of the inner barrel is provided with a clothes feeding opening, and the side wall of the inner barrel is provided with a door body which can be turned outwards to open and close and correspondingly seal the clothes feeding opening, so that the inner barrel is positioned to a corresponding position after stopping rotating, a user can correspondingly open the door body, and clothes can be fed or taken out from the clothes feeding opening into the inner barrel of the washing machine.

Meanwhile, the inner barrel is arranged to be the sealed container for washing after the door cover is buckled, so that clothes only contact with washing water in the sealed inner barrel in the washing process, the phenomenon that the washing water between the inner barrel and the outer barrel flows into the inner barrel to pollute the clothes is avoided, the washing cleanliness of the washing machine is greatly improved, and the phenomenon that the clothes are not thoroughly washed by the washing machine due to the pollution of the washing water between the inner barrel and the outer barrel is avoided.

The embodiment of the invention discloses a washing-free washing machine, wherein an inner barrel 1 of the washing machine is a closed container with a barrel opening buckled by a door cover, a plurality of water guide flow passages extending from the periphery to the center are distributed at the bottom of the inner barrel, a center joint communicated with the end parts of the water guide flow passages is arranged at the center of the bottom of the inner barrel, a water outlet port penetrating through the bottom of the inner barrel is arranged at the rear end of the center joint and communicated with a first end of a water guide sleeve, a second end of the water guide sleeve penetrates through a driving motor and then is communicated with a water flow chamber fixedly arranged on a support part of the inner barrel, and a water outlet port arranged on the water flow chamber is communicated with a drain pipe of the washing machine, so that washing water in the inner barrel is guided to the bottom of the inner barrel and flows out of the inner barrel from the end parts of the water guide flow passages at the periphery of the bottom of the inner barrel and then is discharged along the water guide sleeve.

Meanwhile, in the embodiment of the invention, the drainage pipe of the washing machine is provided with the suction pump, the suction pump acts on the communication part of the water guide flow passage and the inner cylinder through a pipeline after working, so that the communication end of the water guide flow passage forms negative pressure, the washing water in the inner cylinder flows out along the water guide flow passage, the central joint, the water guide sleeve and the drainage pipe, and the aim of providing flowing power for the drainage water flow of the washing machine is fulfilled.

In the embodiment of the invention, in order to realize that the washing water in the inner cylinder converges and flows towards the bottom of the inner cylinder under the action of centrifugal force, the inner cylinder is arranged into the conical cylinder of which the cylinder diameter is gradually enlarged from front to back, and the bottom of the inner cylinder is a large opening end of the inner cylinder, so that the washing water in the inner cylinder is adhered to the wall of the inner cylinder to flow under the action of centrifugal force and converges and flows towards the bottom of the inner cylinder along the wall of the conical cylinder when the inner cylinder rotates at high speed.

Through the arrangement, the aim of guiding the washing water in the inner barrel to be discharged outside the water guide flow channel arranged at the bottom of the inner barrel by utilizing the centrifugal force when the inner barrel rotates at a high speed is fulfilled, and the double effects of controlling the discharge of the washing water when the inner barrel rotates at a high speed and storing the water in the inner barrel for washing when the inner barrel rotates normally are utilized; when the washing machine executes a dewatering and/or draining program, the centrifugal force generated by the high-speed rotation of the inner barrel acts on the washing water and is automatically discharged out of the washing machine along the water guide flow channel and then discharged out of the washing machine along the water guide sleeve.

Example one

As shown in fig. 1 to 9, in the present embodiment, an inner tub applied to a washing-free washing machine of the present invention is described, a plurality of water guide channels 3 extending from the periphery to the center are arranged on a bottom 6 of the inner tub, a center joint 5 respectively communicated with the end portions of the water guide channels 3 is arranged at the center of the bottom 6 of the inner tub, and a water outlet 501 penetrating through the bottom 6 of the inner tub is arranged at the rear end of the center joint 5, so that washing water in the inner tub 1 flows to the center joint 5 through the water guide channels 3 under the action of centrifugal force and then flows out of the inner tub 1 through the water outlet 501.

Through the arrangement, the central joint is arranged at the center of the bottom of the inner cylinder, so that all water guide flow channels at the periphery of the bottom of the inner cylinder are converged at the center of the inner cylinder, washing water converged and flowing to the central joint is discharged backwards out of the inner cylinder, and the aim of guiding the washing water converged at the periphery of the bottom of the inner cylinder to be discharged outwards when the inner cylinder rotates at a high speed is fulfilled.

As shown in fig. 1 and fig. 2, in the present embodiment, the inner cylinder 1 is a tapered cylinder with a diameter gradually increasing from the opening to the inner cylinder bottom 6, so as to ensure that the washing water in the inner cylinder 1 flows toward the inner cylinder bottom of the large-aperture end under the action of centrifugal force when flowing along the wall.

In this embodiment, the inner side of the inner cylinder bottom 6 is provided with a plurality of water-stirring ribs 7 which protrude inwards into the cylinder and are symmetrically arranged relative to the center of the inner cylinder bottom, the water-stirring ribs 7 extend from the outer periphery of the inner cylinder bottom 6 to the center direction along the radial direction of the inner cylinder bottom 6, the inner part of each water-stirring rib 7 is hollow, the hollow part forms a water-guiding flow channel 3, and one end of each water-guiding flow channel 3 is located at the outer periphery of the inner cylinder bottom 6 and is respectively communicated with the inner cylinder 1. Therefore, the water guide flow channel is hidden and arranged inside the water distribution rib, the water distribution rib forming the water guide flow channel is inwards protruded out of the inner barrel, and the double purposes of containing clothes and washing water in the barrel and further improving the washing effect are achieved by stirring the barrel when the inner barrel rotates.

As shown in fig. 3 and 4, in this embodiment, a plurality of lifting ribs 2 protruding inward of the inner cylinder are arranged on the side wall of the inner cylinder 1, the lifting ribs 2 are hollow, water permeable holes 8 communicated with the inside are arranged on the water distributing surface of the lifting ribs 2, and the rear end of the lifting ribs 2 is arranged close to the inner cylinder bottom 6 and is provided with a water outlet structure communicating the inside with the inner cylinder 1; preferably, promote muscle 2 and extend along 1 lateral wall structure line direction in inner tube, promote the left and right sides of muscle 2 respectively the equipartition have a plurality of holes 8 of permeating water. Through setting up many promotion muscle on the inner tube lateral wall to when the inner tube is high-speed rotatory, make the mobile washing water of adherence receive to promote the muscle and block the effect and flow into inside promoting the muscle, and flow to the inner tube bottom direction along promoting the inside cavity of muscle because the centrifugal force effect, and then avoided the washing water to flow indiscriminate, lead to the emergence of the low condition of drainage rate.

As shown in fig. 1 to 3, in this embodiment, each water guide channel 3 is provided with one corresponding lifting rib 2, and the water guide channel 3 and the corresponding lifting rib 2 extend along a radial cross section of the same inner cylinder; preferably, the water outlet structure at the rear end of the lifting rib 2 is close to the end of the corresponding water guide flow channel 3. The lifting ribs are arranged at the positions of the water guide flow channels respectively, so that the washing water which is blocked by the lifting ribs and flows to the bottom of the inner cylinder directly flows into the corresponding water guide flow channels, and the lifting ribs and the water guide flow channels which are opposite one to one form a complete drainage channel, thereby improving the drainage flow rate and efficiency.

As shown in fig. 8 and 9, in the embodiment, the water outlet structure at the rear end of the lifting rib 2 is a water permeable hole 8 at the rear end of the lifting rib 2 and/or a notch 9 at the joint of the rear end of the lifting rib 2 and the wall of the inner drum 1 of the washing machine; the water permeable holes 8 and/or the gaps 9 communicate the inside of the lifting ribs 2 with the inner cylinder 1; preferably, one end of the water guide flow channel 3 is arranged at the periphery of the inner cylinder bottom 6 with a certain gap from the side wall of the inner cylinder 1, a notch 9 is arranged at the joint of the rear end of the corresponding lifting rib 2 and the wall of the inner cylinder 1 of the washing machine, and the notch 9 is close to the gap and arranged along the same structural line of the inner cylinder 1; preferably, a certain gap is formed between the rear end of the lifting rib 2 and the bottom 6 of the inner barrel, so that the washing water in the inner barrel can flow into the water guide flow channel from the gap.

As shown in fig. 3 and 5, in this embodiment, the central joint 5 is fixedly installed at the center of the inner cylinder bottom 6, the central joint 5 includes a central joint body 500 in a circular or semi-circular ring shape, the central joint body 500 is hollow to form the water passing chamber 10, and the periphery of the central joint body 500 is provided with water inlets correspondingly connected to the water guide channels 3, so as to guide the washing water in the water guide channels 3 into the water passing chamber 10.

In this embodiment, the rear end of the central joint 5 is provided with a coaxially arranged water outlet port 501 extending backwards, and the water outlet port 501 penetrates through the inner cylinder bottom 6 to communicate the water passing chamber 10 with the outside of the inner cylinder 1; preferably, the penetrating end of the water outlet interface 501 is correspondingly inserted into the end of the water guide sleeve 11, and the other end of the water guide sleeve 11 is communicated with the water outlet pipe of the washing machine, so as to discharge the washing water flowing out of the inner drum to the outside of the washing machine.

In this embodiment, the central joint 5 is integrally provided with the inner drum bottom 6 of the washing machine, and the outer periphery of the central joint 5 is connected with the inner drum bottom 6 through a smooth curved surface.

Preferably, the central joint 5 is fixedly connected with a support member 20 arranged at the rear side of the inner barrel 1, and a corresponding through hole for the central joint 5 to pass through is arranged at the center of the inner barrel bottom 6, so that when the support member 20 is correspondingly assembled at the rear side of the inner barrel bottom 6, the central joint 5 is correspondingly transmitted into the inner barrel 1, thereby simplifying the assembly steps and improving the assembly rate. Further preferably, the central joint body 500 is detachably and fixedly connected with the water outlet port 501, and the water outlet port 501 is fixedly connected with the supporting member 20, or integrally arranged, so that after the supporting member 20 is correspondingly assembled on the inner cylinder bottom 6, the central joint body 500 is correspondingly fixed with the water outlet port 501 from the inner side of the inner cylinder bottom 6. The assembly of the central joint and each water guide flow channel can be realized, the installation of the supporting piece can be ensured, and the situation that the supporting piece is separated from the bottom of the inner cylinder is avoided.

Example two

As shown in fig. 1 to 9, in the embodiment, a water guiding sleeve is disclosed, a water outlet port 501 is disposed at the center of an inner drum bottom 6 of a washing machine, and a first end of the water guiding sleeve 11 is correspondingly connected to the water outlet port 501 in an inserting manner, so as to guide washing water flowing out of the inner drum 1 to flow to a drain pipe of the washing machine along the water guiding sleeve 11; the first end of the water guide sleeve 11 is provided with a connecting structure fixed with the inner cylinder bottom 6, and the water guide sleeve 11 is also meshed and fixed with an outer rotor 13 of a driving motor 12 of the washing machine, so that the outer rotor of the driving motor drives the inner cylinder 1 to rotate through the water guide sleeve 11.

The water guide sleeve is arranged at the rear side of the washing machine, so that the central through hole of the water guide sleeve forms a channel for discharging the washing water flowing out of the inner barrel, and the aim of smoothly discharging the washing water in the inner barrel along the water guide sleeve by using centrifugal force is fulfilled; the water guide sleeve forms a connecting shaft between the inner cylinder and the driving motor, and the driving motor realizes the purposes of power transmission and inner cylinder rotation driving by utilizing the water guide sleeve.

As shown in fig. 7, in this embodiment, a support member 20 fixedly connected is installed at the outer side of the inner cylinder bottom 6, the support member 20 is symmetrically arranged with respect to the center of the inner cylinder bottom 6, and a through hole for the water outlet 501 to correspondingly pass through is formed in the center of the support member 20; the first end of the water guiding sleeve 11 is fixedly connected with the supporting member 20 and is correspondingly inserted into the water outlet 501. The water guide sleeve is fixedly connected with the supporting piece, so that the driving acting force of the driving motor is directly transmitted to the supporting piece by the water guide sleeve, and the inner cylinder is driven to rotate together by the supporting piece.

In this embodiment, the center of the supporting member 20 is provided with an inserting portion engaged and fixed with the first end of the water guiding sleeve 11, and the water outlet port 501 is coaxially disposed at the end of the inserting portion, so that the first end of the water guiding sleeve 11 hinged to the supporting member 20 is connected to the water outlet port 501 in an inserting manner. Preferably, the insertion part is a spline groove which is correspondingly inserted and engaged with the first end of the water guide sleeve, an external spline is arranged on the outer periphery of the first end of the water guide sleeve, and the external spline is correspondingly engaged and connected with a spline arranged on the inner periphery of the spline groove, so that the water guide sleeve drives the inner cylinder to rotate through the supporting piece.

In this embodiment, the water guide sleeve 11 extends along the axial direction of the inner cylinder; an inner cylinder supporting piece 4 is arranged at the rear end of the inner cylinder 1, a driving motor 12 which is coaxial with the inner cylinder 1 is arranged on the inner cylinder supporting piece 4, and the center of an outer rotor 13 of the driving motor 12 is fixedly connected with the periphery of the second end of the water guide sleeve 11.

As shown in fig. 3, in the present embodiment, a bearing seat 15 having a cylindrical structure is disposed at the center of the inner cylinder support 4, at least one bearing sleeve disposed coaxially with the inner cylinder 1 is disposed in the bearing seat 15, and the middle part of the water guide sleeve 11 is supported and installed in the bearing sleeve; preferably, the front end and the rear end of the bearing seat 15 are respectively provided with a bearing sleeve; further preferably, the inner diameter of the front bearing sleeve 16 is larger than the inner diameter of the rear bearing sleeve 17, and the water guide sleeve 11 is provided with different axial sections which are respectively arranged corresponding to the front bearing sleeve 16 and the rear bearing sleeve 17, so that the front bearing sleeve and the rear bearing sleeve respectively correspond to and fixedly support different axial sections of the water guide sleeve.

In this embodiment, the outer periphery of the water guide sleeve 11 is further sleeved with a movable sealing ring 18, the movable sealing ring 18 is disposed between the bearing seat 15 and the supporting member 20, and the outer periphery of the movable sealing ring 18 is in sealing contact with the front end of the bearing seat 15 to prevent the washing water from leaking.

In this embodiment, the driving motor 12 is disposed at the rear side of the supporting member 20, the second end of the water guiding sleeve 11 sequentially passes through the inner stator 14 and the outer rotor 13 of the driving motor 12, a spline hole corresponding to the water guiding sleeve 11 and fixedly connected to a shaft section is disposed at the center of the outer rotor 13, and a matched outer spline is disposed on the periphery of the corresponding shaft section of the water guiding sleeve 11, so that the water guiding sleeve 11 and the outer rotor 13 are fixedly connected through the matched spline.

As shown in fig. 6, in the present embodiment, the second end of the water guiding sleeve 11 passes through the outer rotor 13, and the second end that passes through is communicated with the drain pipe of the washing machine through the water outlet structure, so as to lead the washing water out of the washing machine; preferably, the water outlet structure comprises a sealed water flowing chamber 19, the water flowing chamber 19 is fixedly mounted on the inner cylinder support 4, the outer side of the water flowing chamber 19 is communicated with the water outlet joint 21, the inner side of the water flowing chamber is communicated with the second end of the water guiding sleeve 11, the end part of the water outlet joint 21 is communicated with the drainage pipe of the washing machine, so that the washing water flowing into the water flowing chamber 19 from the water guiding sleeve 11 flows out of the washing machine from the drainage pipe after passing through the water outlet joint 21.

In this embodiment, the water guide sleeve 11 is provided with a plurality of shaft sections with gradually reduced peripheral diameters from the first end to the second end, so that the water guide sleeve 11 can be assembled and mounted, and the water guide sleeve can be assembled only by sequentially transmitting the water guide sleeve from the small end to the driving motor.

EXAMPLE III

As shown in fig. 1 to 9, in the present embodiment, a water outlet structure of a washing machine is described, a sealed water flowing chamber 19 is fixedly installed at the rear side of an inner cylinder supporting member 4 of the washing machine, a water outlet joint 21 fixed with the inner cylinder supporting member 4 is arranged on the water flowing chamber 19, and an end portion of a water guiding sleeve 11 rotating with the inner cylinder 1 extends into the water flowing chamber 19, so as to discharge washing water flowing out from the inner cylinder 1 along the water guiding sleeve 11.

Through set up the flowing water cavity at the washing machine rear side for guide the washing water outflow, along with inner tube co-rotation's water guide sleeve and flowing water cavity realize the dynamic seal and be connected the back, directly correspond the grafting with the washing machine drain pipe again, avoided the water guide sleeve directly with the problem that the rotation that the drain pipe butt joint produced is asynchronous, unable butt joint, and then realized discharging the mesh of washing machine outside the washing water that the water guide sleeve drainage was gone out smoothly.

As shown in fig. 3 and fig. 6, in the present embodiment, a fixing frame 22 is fixedly installed at the rear side of the washing machine inner cylinder supporting member 4, a water outlet joint 21 is fixedly installed on the fixing frame 22, and a sealed water flowing chamber 19 communicated with the water outlet joint 21 is arranged on the fixing frame 22; the end part of the water guide sleeve 11 rotating along with the inner cylinder 1 extends into the water flowing chamber 19 and performs dynamic sealing treatment on the penetrating connection part, and the washing water flowing out from the inner cylinder 1 along the water guide sleeve 11 is guided to the water flowing chamber 19 and then flows out through the water outlet joint 21.

In this embodiment, the center of the fixing frame 22 is provided with a through hole coaxial with the inner cylinder 1; the through hole is provided with a cylindrical mounting sleeve 23 which is coaxial with the inner cylinder 1, the front side of the mounting sleeve 23 is in sealed insertion connection with the end part of the water guide sleeve 11, and the rear side is in sealed connection with the water outlet joint 21, so that the hollow part of the mounting sleeve 23 is enclosed into a closed water flowing cavity 19.

As shown in fig. 6, in this embodiment, a bearing sleeve 24 for positioning and supporting the water guide sleeve 11 and a movable sealing sleeve 25 for sealing the water guide sleeve 11 are sequentially installed in the installation sleeve 23 from front to back, the bearing sleeve 24 and the movable sealing sleeve 25 are correspondingly sleeved on the outer periphery of the water guide sleeve 11, and the outer periphery of the movable sealing sleeve 25 is in sealing contact with the inner wall of the installation sleeve 23.

In this embodiment, the water outlet joint 21 includes a flange 26 covering the rear side of the mounting sleeve, and the flange 26 is hermetically connected with the rear side of the mounting sleeve 23; the center of the flange 26 is provided with a water outlet 29 which is coaxial with the inner cylinder 1, and the water outlet 29 is correspondingly communicated with the water flowing chamber 19; preferably, the water outlet 29 is a cylindrical opening protruding and extending from the flange 26; more preferably, a circle of limiting ribs 28 protruding into the mounting sleeve 23 is arranged on the front side of the flange 26, the end parts of the limiting ribs 28 are abutted against the movable sealing sleeve 25, the outer circumference of the limiting ribs 28 is arranged to be as large as the inner circumference of the mounting sleeve 23, and the limiting ribs 28 are correspondingly attached and contacted with the inner wall of the mounting sleeve 23.

In order to improve the sealing performance of the water flowing chamber, an elastic sealing gasket can be arranged at the contact part between the flange 26 and the mounting sleeve 23 so as to improve the sealing performance of the assembling connection part of the flange 26 and the mounting sleeve.

In this embodiment, two sides of the mounting flange 27 are respectively in corresponding contact with the flange 26 and the fixing frame 22, and the mounting flange 27 is fixedly connected with the flange 26 and the fixing frame 22 through bolts; preferably, the outer circumference of the flange 26 is larger than the inner circumference of the mounting sleeve 23 and smaller than the outer circumference of the mounting flange 27. In this embodiment, the mounting flange 27, the flange 26 and the fixing frame 22 may be fixedly connected by the same bolt sequentially inserted through the fixing frame, or the mounting flange 27 and the flange 26, the mounting flange 27 and the fixing frame 20 may be fixedly connected by different bolts respectively.

In this embodiment, the movable sealing sleeve 25 is a sealing ring with a C-shaped cross section, and two ends of the movable sealing sleeve 25 are respectively in limit contact with the flange 26 of the water outlet connector and the bearing sleeve 24. Preferably, the opening side of the "C" shaped sealing ring is arranged towards the bearing sleeve 24 side, so as to ensure dynamic sealing from inside to outside as much as possible, and further improve the sealing performance of the joint of the water guiding sleeve and the water flowing chamber.

As shown in fig. 6 and 7, in the present embodiment, the fixing frame 22 is a strip-shaped plate extending vertically and symmetrical to the axis of the inner cylinder 1, two ends of the fixing frame 22 are respectively bent toward the inner cylinder 1, the bent portions are respectively fixedly connected to the rear side of the inner cylinder support 4, and the mounting sleeve 23 is disposed at the center of the fixing frame 22 and is coaxial with the axis of the inner cylinder 1.

In the embodiment, a driving motor 12 which is coaxial with the inner cylinder 1 is fixedly installed at the rear side of the inner cylinder support 4, and the driving motor 12 is arranged between the fixing frame 22 and the inner cylinder support 4 and is respectively spaced from the fixing frame 22 and the inner cylinder support 4 by a certain gap; preferably, the water guide sleeve 11 passes through the driving motor 12 and is fixedly engaged with the outer rotor 13 of the driving motor 12, the outer periphery of the water guide sleeve 11 is sleeved with a limiting sleeve 30, the limiting sleeve 30 is arranged between the outer rotor 13 and the mounting sleeve 23, and the outer peripheral diameter of the limiting sleeve 30 is larger than the diameter of the bearing sleeve 24, so as to prevent the bearing sleeve 24 from falling off from the mounting sleeve 23.

Example four

As shown in fig. 1 to 9, in the present embodiment, an inner cylinder applied to the above-mentioned washing-free washing machine is described, a plurality of lifting ribs 2 extending along an inner cylinder structural line are disposed in the inner cylinder 1, an inner portion of each lifting rib 2 is hollow, a plurality of water permeable holes 8 are disposed on a water distributing surface of each lifting rib 2 to communicate the hollow portion of each lifting rib 2 with an inner portion of the inner cylinder 1, a rear end of each lifting rib 2 is disposed near an inner cylinder bottom 6, and a water outlet structure is disposed on the rear end of each lifting rib 2, so that washing water in the inner cylinder 1 is blocked by the lifting ribs 2 and guided to a rear side of the inner cylinder bottom 6, and flows out of the inner cylinder 1 through a water guide channel 3 disposed on the inner cylinder bottom 6.

Through set up many promotion muscle on the inner tube lateral wall to when the inner tube is high-speed rotatory, make the adherence flow wash water receive promote the muscle block effect and flow into promote the muscle inside, and flow to the inner tube bottom direction along promoting the inside cavity of muscle because the centrifugal force is used, and then avoided the wash water to flow indiscriminate, lead to the emergence of the low condition of drainage rate.

As shown in fig. 1 and fig. 2, in the present embodiment, the inner barrel bottom 6 is provided with a plurality of water guiding channels 3 extending from the outer periphery to the center, the outer peripheral ends of the water guiding channels 3 are respectively disposed corresponding to one lifting rib 2, the lifting rib 2 and the corresponding water guiding channel 3 are disposed in the same radial section of the inner barrel 1, so that the washing water guided to the inner barrel bottom 6 by the lifting rib 2 directly flows into the corresponding water guiding channel 3, thereby improving the drainage efficiency.

The lifting ribs are arranged at the positions of the water guide flow channels respectively, so that the washing water which is blocked by the lifting ribs and flows to the bottom of the inner cylinder directly flows into the corresponding water guide flow channels, and the lifting ribs and the water guide flow channels which are opposite one to one form a complete drainage channel, thereby improving the drainage flow rate and efficiency.

As shown in fig. 8, in the embodiment, the water outlet structure at the rear end of the lifting rib 2 is a water permeable hole 8 at the rear end of the lifting rib 2 and/or a notch 9 at the joint of the rear end of the lifting rib 2 and the wall of the inner drum 1 of the washing machine; the water permeable holes 8 and/or the gaps 9 communicate the inner part of the lifting rib 2 with the inner barrel 1; preferably, one end of the water guide flow channel 3 is arranged at the periphery of the inner cylinder bottom 6 with a certain gap from the side wall of the inner cylinder 1, a notch 9 is arranged at the joint of the rear end of the corresponding lifting rib 2 and the wall of the inner cylinder 1 of the washing machine, and the notch 9 is arranged along the same inner cylinder structural line close to the gap; preferably, a certain gap is formed between the rear end of the lifting rib 2 and the bottom 6 of the inner barrel, so that the washing water in the inner barrel can flow into the water guide flow channel 3 from the gap.

As shown in fig. 9, in the present embodiment, the hollow portion of the lifting rib 2 is provided with a baffle 31 extending along the structural line of the inner cylinder 1, the baffle 31 divides the hollow portion of the lifting rib 2 into two independent parts, and the two parts are respectively communicated with the inner cylinder 1 through the water permeable holes 8 formed on the water repellent surfaces on the corresponding sides.

In this embodiment, baffle 31 extends along promoting 2 central lines of muscle, and the mutually independent cavity of baffle 31 both sides is linked together with the play water structure that promotes 2 rear portions and establish respectively to all can the washing water in two independent cavities arrange to corresponding water guide runner 3 departments from promoting 2 rear end play water structures of muscle outward. Preferably, two independent chambers inside the lifting rib 2 divided by the baffle 31 are respectively communicated with the partial water permeable holes 8 arranged at the rear end of the lifting rib 2.

In this embodiment, the left and right sides of the baffle 31 are both inclined planes which are inclined gradually towards the axial side far away from the lifting rib 2 from the inner cylinder bottom 6 to the cylinder opening direction of the inner cylinder 1, so as to guide the washing water inside the lifting rib 2 to converge and flow towards the center of the rear end of the lifting rib 2 along the baffle 31, so that the washing water directly flows into the corresponding water guide flow channel 3 from the water outlet structure at the rear end of the lifting rib 2.

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

1. A washing machine goes out water structure which characterized in that: a sealed water flowing cavity is fixedly arranged at the rear side of the supporting piece of the inner cylinder of the washing machine, a water outlet joint fixed with the supporting piece of the inner cylinder is arranged on the water flowing cavity, and the end part of the water guide sleeve rotating along with the inner cylinder extends into the water flowing cavity so as to discharge the washing water flowing out of the inner cylinder along the water guide sleeve;

the rear side of the washing machine inner barrel supporting piece is fixedly provided with a fixed frame, the fixed frame is fixedly provided with a water outlet joint, and the fixed frame is provided with a sealed water flowing chamber communicated with the water outlet joint; the end part of the water guide sleeve rotating along with the inner cylinder extends into the water flowing chamber and performs dynamic sealing treatment on a penetrating connection part, and washing water flowing out of the inner cylinder along the water guide sleeve is guided to the water flowing chamber and then flows out of the water outlet joint;

the center of the fixing frame is provided with a through hole which is coaxial with the inner cylinder; the through hole is provided with a cylindrical mounting sleeve which is coaxial with the inner cylinder, the front side of the mounting sleeve is in sealed splicing with the end part of the water guide sleeve, and the rear side of the mounting sleeve is in sealed connection with the water outlet joint, so that the hollow part of the mounting sleeve is enclosed into a closed water flowing cavity.

2. The water outlet structure of the washing machine as claimed in claim 1, wherein the mounting sleeve is internally provided with a bearing sleeve for positioning and supporting the water guide sleeve and a dynamic sealing sleeve for sealing the water guide sleeve from front to back in sequence, the bearing sleeve and the dynamic sealing sleeve are correspondingly sleeved on the outer periphery of the water guide sleeve, and the outer periphery of the dynamic sealing sleeve is in sealing fit contact with the inner wall of the mounting sleeve.

3. A washing machine outlet structure as claimed in claim 1, wherein the outlet fitting includes a flange plate covering the rear side of the mounting sleeve, the flange plate being sealingly connected to the rear side of the mounting sleeve; the center of the flange plate is provided with a water outlet which is coaxial with the inner cylinder, and the water outlet is correspondingly communicated with the water flowing chamber.

4. A washing machine outlet structure as claimed in claim 3, wherein the outlet is a cylindrical opening projecting rearwardly from the flange.

5. A washing machine outlet structure as claimed in claim 3, wherein the front side of the flange is provided with a ring of limiting ribs projecting into the mounting sleeve, the ends of the limiting ribs are abutted against the sealing sleeve, the outer circumference of the limiting ribs is as large as the inner circumference of the mounting sleeve, so that the limiting ribs are correspondingly abutted against the inner wall of the mounting sleeve.

6. A washing machine outlet structure as claimed in claim 3, wherein the two sides of the mounting flange are respectively in corresponding abutting contact with the flange and the fixing frame, and the mounting flange is fixedly connected with the flange and the fixing member by bolts; the outer circumference of the flange plate is larger than the inner circumference of the mounting sleeve and smaller than the outer circumference of the mounting flange plate.

7. The water outlet structure of the washing machine as claimed in claim 2, wherein the dynamic sealing sleeve is a sealing ring with a C-shaped cross section, and two ends of the dynamic sealing sleeve are respectively in limit contact with the flange of the water outlet joint and the bearing sleeve.

8. A washing machine water outlet structure according to any one of claims 1 to 7, characterized in that the fixing frame is a vertically extending strip-shaped plate symmetrical to the axis of the inner cylinder, both ends of the fixing frame are respectively bent towards the inner cylinder, the bent parts are respectively fixedly connected with the rear side of the inner cylinder support, and the mounting sleeve is arranged at the center of the fixing frame and is coaxial with the inner cylinder axis.

9. The water outlet structure of the washing machine as claimed in claim 8, wherein a driving motor coaxially arranged with the inner cylinder is fixedly installed at the rear side of the inner cylinder supporting member, and the driving motor is arranged between the fixing frame and the inner cylinder supporting member and is spaced from the fixing member and the inner cylinder supporting member by a certain gap; the water guide sleeve penetrates through the driving motor and is fixedly meshed with a rotor of the driving motor, a limiting sleeve is sleeved on the periphery of the water guide sleeve and is arranged between the rotor and the mounting sleeve, and the outer peripheral diameter of the limiting sleeve is larger than the diameter of the bearing sleeve so as to prevent the bearing sleeve from falling off from the mounting sleeve.

10. A washing-free washing machine, the inner cylinder of the washing machine is a closed container after the opening is buckled by the door closure, guide the wash water to flow to the direction of inner cylinder bottom and flow to the center of inner cylinder bottom along the water guiding flow path set up in the bottom of inner cylinder and discharge the inner cylinder through the water outlet interface of the central joint when the inner cylinder rotates at a high speed; the water outlet port at the rear end of the bottom of the inner cylinder is correspondingly inserted and communicated with the first end of the water guide sleeve, and the second end of the water guide sleeve is communicated with the drain pipe of the washing machine through the water outlet structure in any one of the claims 1 to 9.