CN110195332B

CN110195332B - Water guide sleeve and washing-free washing machine

Info

Publication number: CN110195332B
Application number: CN201810163973.5A
Authority: CN
Inventors: 劳春峰; 李以民; 刘海涛; 许升
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: 2023-05-12
Anticipated expiration: 2038-02-27
Also published as: CN110195332A

Abstract

The invention relates to a water guide sleeve, wherein a water outlet port which penetrates through the bottom center of an inner cylinder of a washing machine is arranged at the bottom center of the inner cylinder of the washing machine, and a first end of the water guide sleeve is correspondingly connected with the water outlet port in a plug-in manner so as to guide washing water flowing out of the inner cylinder to flow to a drain pipe of the washing machine along the water guide sleeve; the first end of the water guide sleeve is provided with a connecting structure fixed with the bottom of the inner cylinder, and the water guide sleeve is meshed and fixed with the rotor of the driving motor of the washing machine, so that the rotor of the driving motor drives the inner cylinder to rotate through the water guide sleeve. The washing machine is characterized in that an inner barrel of the washing machine is a closed container with an opening buckled by a door cover, and when the inner barrel rotates at a high speed, washing water is guided to flow towards the bottom direction of the inner barrel and is discharged out of the inner barrel through a water outlet interface of a central joint after flowing towards the center of the bottom of the inner barrel along a water guide channel arranged at the bottom of the inner barrel; the water outlet at the rear end of the inner barrel bottom is correspondingly spliced and communicated with the first end of the water guide sleeve pipe so as to guide the outflow washing water to a water discharge pipe of the washing machine through the water guide sleeve pipe and then discharge the outflow washing water.

Description

Water guide sleeve and washing-free washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to a washing machine with a rotatable water-containing inner cylinder, and a water guide sleeve which is applied to the washing machine and has the functions of guiding water discharge and driving the inner cylinder to rotate.

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 washing the clothes by beating through rotating the inner drum; meanwhile, the inner cylinder is provided with a dehydration hole, so that water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak clothes in the inner cylinder, water in the inner cylinder flows out to the outer cylinder through the dehydration hole, and water on the clothes in the inner cylinder is discharged to the outer cylinder through the dehydration hole when the inner cylinder 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 easy to accumulate between the inner cylinder and the outer cylinder in the using process of the washing machine; meanwhile, as the inner cylinder and the outer cylinder are mutually sleeved, a user cannot clean the outer wall of the inner cylinder and the inner wall of the outer cylinder, so that bacteria in the washing machine are increased, and the washing efficiency of the washing machine and the cleanliness of clothes after washing 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 inner space of the washing machine is low, and the washing capacity of the washing machine cannot be expanded on the basis of the existing washing machine.

In view of this, how to provide a washing machine to integrate the inner and outer cylinders or directly provide a closed inner cylinder, so that the inner cylinder is provided as a sealed container, which can hold water and clothes, and can rotate to beat clothes for washing, and also avoid the problems that washing water flows between the inner cylinder and the outer cylinder and the inner cylinder needs to be cleaned; meanwhile, the outer cylinder is not arranged on the washing machine or is integrally arranged with the shell of the washing machine, so that the inner cylinder of the washing machine can be expanded to expand the washing capacity of the washing machine, and the washing machine becomes a research and development hot spot.

However, since the inner tub is not only used for containing washing water, but also rotated to perform beating washing on the laundry, how to provide a dehydrating structure and a draining structure suitable for the washing machine becomes a problem to be solved urgently.

The present application has been made in view of the above technical drawbacks.

Disclosure of Invention

The present invention is directed to a washing machine that overcomes the above-mentioned drawbacks of the prior art, and provides a dual function of both containing washing water and agitating laundry to an inner tub. The invention also relates to a water guide sleeve, so as to achieve the double effects of discharging washing water in the inner cylinder and driving the inner cylinder by power at the same time.

In order to solve the technical problems and achieve the technical effects, the invention adopts the technical scheme that the basic design thought is as follows:

a water guide sleeve, a water outlet port which is penetrated and arranged is arranged at the bottom center of the inner cylinder of the washing machine, and a first end of the water guide sleeve is correspondingly connected with the water outlet port in a plug-in manner so as to guide washing water flowing out of the inner cylinder to flow to a drain pipe of the washing machine along the water guide sleeve; the first end of the water guide sleeve is provided with a connecting structure fixed with the bottom of the inner cylinder, and the water guide sleeve is meshed and fixed with the rotor of the driving motor of the washing machine, so that the rotor of the driving motor drives the inner cylinder to rotate through the water guide sleeve.

Further, the outer side of the inner cylinder bottom is provided with a fixedly connected supporting piece, the supporting piece is symmetrically arranged relative to the center of the inner cylinder bottom, and the center of the supporting piece is provided with a through hole for a water outlet to correspondingly pass through; the first end of the water guide sleeve is fixedly connected with the supporting piece and is correspondingly spliced with the water outlet port.

Further, the center of the support piece is provided with a plug-in part which is meshed and fixed with the first end of the water guide sleeve correspondingly, the water outlet port is coaxially arranged at the end part of the plug-in part, and the first end of the water guide sleeve hinged with the support piece is connected with the water outlet port correspondingly in a plug-in mode.

Further, the water guide sleeve extends along the axial direction of the inner cylinder; the inner tube rear end is equipped with inner tube support piece, installs the driving motor who sets up with the inner tube is coaxial on the inner tube support piece, and driving motor's rotor center and water guide sleeve's second end periphery looks fixed connection.

Further, a bearing seat with a cylindrical structure is arranged at the center of the inner cylinder support, at least one bearing sleeve which is coaxially arranged with the inner cylinder is arranged in the bearing seat, and the middle support of the water guide sleeve is arranged in the bearing sleeve; preferably, the front end and the rear end of the bearing seat are respectively provided with a bearing sleeve; further preferably, the inner diameter of the front bearing sleeve is larger than that of the rear bearing sleeve, and the water guide sleeve is provided with different shaft sections which are respectively and correspondingly arranged with the front bearing sleeve and the rear bearing sleeve, so that the front bearing sleeve and the rear bearing sleeve respectively and correspondingly and fixedly support the different shaft sections of the water guide sleeve.

Further, the periphery of the water guide sleeve is also sleeved with a movable sealing ring, the movable sealing ring is arranged between the bearing seat and the supporting piece, and the periphery of the movable sealing ring is in sealing contact with the front end of the bearing seat so as to prevent washing water from leaking.

Further, the driving motor is arranged at the rear side of the supporting piece, the second end of the water guide sleeve sequentially penetrates through the inner stator and the outer rotor of the motor, a spline hole which is fixedly connected with the water guide sleeve correspondingly penetrates through the shaft section is formed in the center of the outer rotor, and matched external splines are arranged on the periphery of the corresponding shaft section of the water guide sleeve, so that the water guide sleeve is fixedly connected with the outer rotor through the matched splines.

Further, the second end of the water guide sleeve penetrates out of the outer rotor, and the penetrated second end is communicated with a drain pipe of the washing machine through a water outlet structure so as to guide washing water out of the washing machine; preferably, the water outlet structure comprises a sealed water flowing cavity, the water flowing cavity is fixedly arranged on the inner barrel supporting piece, the outer side of the water flowing cavity is communicated with the water outlet joint, the inner side of the water flowing cavity is communicated with the second end of the water guide sleeve, and the end part of the water outlet joint is communicated with the water outlet pipe of the washing machine so that washing water flowing into the water flowing cavity from the water guide sleeve flows out of the washing machine through the water outlet joint and then flows out of the water outlet pipe.

Further, the water guiding sleeve is provided with a plurality of shaft sections with gradually reduced peripheral diameters from the first end to the second end.

The washing machine is characterized in that an inner barrel of the washing machine is a closed container with an opening buckled by a door cover, and when the inner barrel rotates at a high speed, washing water is guided to flow towards the bottom direction of the inner barrel and is discharged out of the inner barrel through a water outlet interface of a central joint after flowing towards the center of the bottom of the inner barrel along a water guide channel arranged at the bottom of the inner barrel; the water outlet at the rear end of the inner barrel bottom is correspondingly spliced and communicated with the first end of the water guide sleeve pipe so as to guide the outflow washing water to a water discharge pipe of the washing machine through the water guide sleeve pipe and then discharge the outflow washing water.

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

through the arrangement, the purpose that the washing water in the inner barrel is guided to be discharged to the water guide flow channel arranged at the bottom of the inner barrel by utilizing the centrifugal force when the inner barrel rotates at high speed is realized, so that the double effects of controllable discharging of the washing water when the inner barrel rotates at high speed and water storage washing in the inner barrel when the inner barrel rotates normally are utilized; so as to achieve the aim that when the washing machine executes the dewatering and/or drainage program, the centrifugal force of the high-speed rotation of the inner cylinder acts on the washing water to automatically drain along the water guide flow channel and then drain the washing water out of the washing machine along the water guide sleeve.

In addition, the rear side of the washing machine is provided with the water guide sleeve, so that the central through hole of the water guide sleeve forms a channel for discharging 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 utilizing 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 purpose of power transmission and driving the inner cylinder to rotate by utilizing the water guide sleeve.

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 scheme of the invention clearer, the beneficial effects brought by the technical scheme are convenient to further understand, and the detailed description of some specific embodiments of the invention is given below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic view of an inner tub of a washing machine according to an embodiment of the present invention;

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

fig. 3 is a schematic cross-sectional structure of a washing machine in accordance with an embodiment of the present invention;

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

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

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

FIG. 7 is a schematic view of an exploded construction of a water jacket assembly according to an embodiment of the present invention;

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

fig. 9 is a schematic view of a lifting rib according to another embodiment of the present invention.

The drawing is marked: 1. the inner cylinder, 2, lifting ribs, 3, a water guide flow channel, 4, an inner cylinder support 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 cavity, 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 cavity, 20, a support piece, 21, a water outlet joint, 22, a fixing frame, 23, a mounting sleeve, 24, a bearing sleeve, 25, a movable sealing sleeve, 26, a flange, 27, a mounting flange, 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 these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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.

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. 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.

As shown in fig. 1 to 9, in the embodiment of the invention, a washing machine is described, the washing machine comprises a shell, an inner cylinder 1 is arranged in the shell, the axis of the inner cylinder 1 horizontally extends or gradually inclines downwards from front to back, the front end of the inner cylinder 1 is an inner cylinder opening arranged at an opening, and the rear end is an inner cylinder bottom arranged in a sealing way; the wall of the inner cylinder 1 is not provided with a through hole, so that the inner cylinder 1 forms a sealed container with only the front opening. Meanwhile, the front end of the washing machine shell is provided with a door cover which can be opened outwards, so that the inner cylinder opening is closed after the door cover is closed, and clothes are put into the inner cylinder 1 from the inner cylinder opening after the door cover is opened. The rear end of the inner cylinder 1 is arranged in the washing machine shell through an inner cylinder supporting piece, the inner cylinder supporting piece and the rear end of the inner cylinder 1 are coaxially arranged, the upper end and the lower end of the inner cylinder supporting piece are respectively bent towards the direction of a cylinder opening at the front end of the inner cylinder 1, the bent part at least extends to the middle part of the inner cylinder 1, and the upper bent part and the lower bent part are respectively connected with the washing machine shell through a damping hanging spring and a damping supporting rod so as to realize the purpose that the inner cylinder supporting piece can vibrate and be arranged in the washing machine shell; meanwhile, the center of the bottom of the inner cylinder is coaxially arranged with a motor shaft of a driving motor of the washing machine so as to drive the inner cylinder to rotate, and the inner cylinder and the driving motor are fixedly arranged on an inner cylinder supporting piece. Preferably, the inner cylinder bottom and the driving motor are respectively arranged at two sides of the inner cylinder supporting piece, the driving motor is fixedly connected with the inner cylinder supporting piece, a motor shaft of the driving motor penetrates through the inner cylinder supporting piece 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 supporting piece, so that the purposes that the inner cylinder 1 and the driving motor are arranged on the inner cylinder supporting piece and the inner cylinder 1 can independently rotate under the action of the driving motor to wash internal clothes are achieved.

In addition, the washing machine in the embodiment of the invention can be any washing machine with a sealed container formed by the inner cylinder after the door cover closes the cylinder opening of the inner cylinder in the prior art, so that when the washing machine executes a dewatering 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 dewatering program on the non-porous inner cylinder washing machine is fulfilled. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure in the drawings, for example: the prior common washing machine can be adopted, and the washing machine with the inner cylinder 1 without a dehydration hole and the sealed container formed after the door cover is closed on the inner cylinder opening is only needed. Of course, an inner cylinder cover can be arranged at the inner cylinder opening of the washing machine independently, independent operation can be carried out on the inner cylinder cover without using a door cover, and the inner cylinder opening is sealed and closed by using the inner cylinder cover. Meanwhile, the washing machine in the embodiment of the invention can be also suitable for a top-open type washing machine, the side wall of the inner cylinder is provided with the clothes putting opening, and the side wall of the inner cylinder is provided with the door body which can be turned outwards and opened and closed and is correspondingly sealed with the clothes putting opening, so that after the inner cylinder stops rotating, the door body can be correspondingly opened by a user and the clothes can be put into or taken out from the clothes putting opening into the inner cylinder of the washing machine.

Meanwhile, the inner cylinder is arranged as the sealing container for washing after the door cover is buckled, so that clothes are only contacted with the washing water in the sealing inner cylinder in the washing process, the condition that the washing water between the inner cylinder and the outer cylinder flows into the inner cylinder to pollute the clothes is avoided, the washing cleanliness of the washing machine is greatly improved, and the condition that the washing machine cannot thoroughly clean the clothes due to the pollution of the washing water between the inner cylinder and the outer cylinder is avoided.

The embodiment of the invention discloses a washing-free washing machine, an inner barrel 1 of the washing machine is a closed container with an inner barrel opening buckled by a door cover, a plurality of water guide channels extending from the periphery to the center are arranged at the bottom of the inner barrel, a center joint which is respectively communicated with the end parts of the water guide channels is arranged at the center of the inner barrel bottom, a water outlet port penetrating through the bottom of the inner barrel is arranged at the rear end of the center joint, the water outlet port is communicated with a first end of a water guide sleeve, a second end of the water guide sleeve penetrates through a driving motor and is communicated with a water flowing cavity fixedly arranged on an inner barrel supporting piece, and the water outlet port arranged on the water flowing cavity is communicated with a water draining pipe of the washing machine so as to guide washing water in the inner barrel to the bottom of the inner barrel when the inner barrel rotates at a high speed, and flow out of the inner barrel from the end parts of the water guide channels at the periphery of the inner barrel bottom and then is discharged along the water guide sleeve.

Meanwhile, in the embodiment of the invention, the suction pump is arranged on the drain pipe of the washing machine, and the suction pump acts on the position where the water guide channel is communicated with the inner cylinder through the pipeline after working, so that the communication end of the water guide channel forms negative pressure, and washing water in the inner cylinder flows out along the water guide channel, the central joint, the water guide sleeve and the drain pipe, thereby achieving the purpose of providing flowing power for the drainage water flow of the washing machine.

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

Example 1

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

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

As shown in fig. 1 and 2, in this embodiment, the inner cylinder 1 is a tapered cylinder with a diameter gradually increasing from the opening toward the inner cylinder bottom 6, so as to ensure that the washing water in the inner cylinder 1 is focused and flowed toward the inner cylinder bottom of the large-caliber 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-repellent ribs 7 protruding into the inner cylinder and symmetrically distributed relative to the center of the inner cylinder bottom, the water-repellent ribs 7 extend from the outer circumferential center direction of the inner cylinder bottom 6 along the radial direction of the inner cylinder bottom 6, the hollow and hollow parts inside the water-repellent ribs 7 form water guide channels 3, and one end of each water guide channel 3 is located at the outer circumference of the inner cylinder bottom 6 and is respectively communicated with the inner cylinder 1. Therefore, the water guide channel is hidden inside the water-shifting ribs, the water-shifting ribs forming the water guide channel are inwards protruded from the inner cylinder, and the dual purposes of stirring clothes and washing water in the inner cylinder and further improving the washing effect are achieved when the inner cylinder rotates.

As shown in fig. 3 and 4, in this embodiment, a plurality of lifting ribs 2 protruding into the inner cylinder are provided on the side wall of the inner cylinder 1, the lifting ribs 2 are hollow, water permeable holes 8 communicating with the inside are provided on the water-pulling surface of the lifting ribs 2, the rear end of the lifting ribs 2 is arranged near the inner cylinder bottom 6, and a water outlet structure communicating the inside with the inner cylinder 1 is provided; preferably, the lifting ribs 2 extend along the direction of the construction line of the side wall of the inner cylinder 1, and a plurality of water permeable holes 8 are uniformly distributed on the left side surface and the right side surface of the lifting ribs 2 respectively. Through set up many lifting ribs on the inner tube lateral wall to when inner tube high-speed rotation, make the wall adherence flow washing water and receive lifting rib to stop the effect and flow into inside the lifting rib, and follow lifting rib inside cavity and flow to the inner tube bottom direction because of centrifugal force effect, and then avoided the washing water turbulence, lead to the emergence of the low condition of drainage rate.

As shown in fig. 1 to 3, in this embodiment, each water guiding channel 3 is provided with an opposite lifting rib 2, and the water guiding channels 3 and the corresponding lifting ribs 2 extend along the radial section of the same inner cylinder; preferably, the water outlet structure at the rear end of the lifting rib 2 is arranged close to the end part of the corresponding water guide channel 3. Through setting up a corresponding lifting rib respectively in each water guide runner department to make the washing water that is blocked by the lifting rib and drains to the inner tube end directly flow into corresponding water guide runner, and then make one-to-one opposite lifting rib and water guide runner form a complete drainage channel, promote drainage velocity of flow and efficiency.

As shown in fig. 8 and 9, in this embodiment, the water outlet structure provided at the rear end of the lifting rib 2 is a water permeable hole 8 provided at the rear end of the lifting rib 2, and/or a notch 9 provided at the junction between the rear end of the lifting rib 2 and the wall of the inner drum 1 of the washing machine; the inside of the lifting rib 2 is communicated with the inner cylinder 1 through the water permeable holes 8 and/or the openings 9; preferably, one end of the water guide channel 3 is arranged at the periphery of the inner cylinder bottom 6 at a certain interval 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 inner cylinder 1 wall of the washing machine, and the notch 9 and the gap are arranged along the same inner cylinder 1 construction line; it is further preferable that a certain gap is formed between the rear end of the lifting rib 2 and the inner barrel bottom 6 so that washing water in the inner barrel flows into the water guide flow passage from the gap.

As shown in fig. 3 and 5, in this embodiment, the center joint 5 is fixedly installed at the center of the inner cylinder bottom 6, the center joint 5 includes a center joint body 500 having a circular ring shape or a semi-spherical shape, the inside of the center joint body 500 is hollow to form the water passing chamber 10, and a water inlet corresponding to each water guiding channel 3 is provided at the outer periphery of the center joint body 500 to guide the washing water in the water guiding channel 3 into the water passing chamber 10.

In the embodiment, the rear end of the central joint 5 is provided with a water outlet port 501 which is coaxially arranged and extends 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 port 501 is correspondingly inserted into the end of the water guiding sleeve 11, and the other end of the water guiding sleeve 11 is communicated with the water outlet pipe of the washing machine, so that the washing water flowing out of the inner cylinder is discharged to the outside of the washing machine.

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

Preferably, the central joint 5 is fixedly connected with the supporting piece 20 arranged at the rear side of the inner cylinder 1, and a corresponding through hole for the central joint 5 to pass through is arranged at the center of the inner cylinder bottom 6, so that when the supporting piece 20 is correspondingly assembled at the rear side of the inner cylinder bottom 6, the central joint 5 is correspondingly transmitted into the inner cylinder 1, thereby simplifying the assembly step 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 barrel bottom 6, the central joint body 500 is correspondingly fixed with the water outlet port 501 from the inner side of the inner barrel bottom 6. The assembly of the central joint and each water guide flow passage 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 this embodiment, a water guiding sleeve is disclosed, a water outlet 501 penetrating through is provided at the center of the bottom 6 of the inner barrel of the washing machine, and a first end of the water guiding sleeve 11 is correspondingly inserted and connected with the water outlet 501 so as to guide the washing water flowing out of the inner barrel 1 to flow along the water guiding sleeve 11 to a water draining pipe of the washing machine; the first end of the water guide sleeve 11 is provided with a connecting structure fixed with the inner barrel bottom 6, and the water guide sleeve 11 is meshed and fixed with the outer rotor 13 of the driving motor 12 of the washing machine, so that the outer rotor of the driving motor drives the inner barrel 1 to rotate through the water guide sleeve 11.

The rear side of the washing machine is provided with the water guide sleeve, so that the central through hole of the water guide sleeve forms a channel for discharging 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 utilizing 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 purpose of power transmission and driving the inner cylinder to rotate by utilizing the water guide sleeve.

In this embodiment, as shown in fig. 7, a fixedly connected support member 20 is installed on 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 through which the water outlet 501 correspondingly passes is provided at the center of the support member 20; the first end of the water guide sleeve 11 is fixedly connected with the supporting piece 20 and correspondingly inserted with the water outlet port 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 aid of the water guide sleeve, and the inner barrel is driven to rotate together by the aid of the supporting piece.

In this embodiment, a plug-in portion engaged with and fixed to the first end of the water guiding sleeve 11 is disposed at the center of the supporting member 20, and the water outlet 501 is coaxially disposed at the end of the plug-in portion, so that the first end of the water guiding sleeve 11 hinged to the supporting member 20 is correspondingly plug-in connected to the water outlet 501. Preferably, the plug-in part is a spline groove correspondingly plugged and meshed with the first end of the water guide sleeve, an external spline is arranged on the periphery of the first end of the water guide sleeve, and the external spline is correspondingly meshed 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 guiding sleeve 11 extends in the axial direction of the inner cylinder; the rear end of the inner cylinder 1 is provided with an inner cylinder supporting piece 4, a driving motor 12 which is coaxially arranged 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 this embodiment, a bearing seat 15 with a cylindrical structure is provided at the center of the inner cylinder support 4, at least one bearing sleeve coaxially arranged with the inner cylinder 1 is provided in the bearing seat 15, and the middle support of the water guide sleeve 11 is 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; it is further preferred that the inner diameter of the front bearing sleeve 16 is larger than the inner diameter of the rear bearing sleeve 17, and the water guiding sleeve 11 is provided with different axial sections respectively 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 the different axial sections of the water guiding sleeve for fixed support.

In this embodiment, the outer periphery of the water guiding 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 splined hole fixedly connected with the corresponding shaft section of the water guiding sleeve 11 is disposed at the center of the outer rotor 13, and matched external splines are disposed at 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 splines.

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 passing through is communicated with the drain pipe of the washing machine via the water outlet structure, so as to guide the washing water out of the washing machine; preferably, the water outlet structure comprises a sealed water flowing cavity 19, the water flowing cavity 19 is fixedly arranged on the inner barrel supporting piece 4, the outer side of the water flowing cavity 19 is communicated with the water outlet joint 21, the inner side of the water flowing cavity is communicated with the second end of the water guiding sleeve 11, and the end part of the water outlet joint 21 is communicated with a water draining pipe of the washing machine so that washing water flowing into the water flowing cavity 19 from the water guiding sleeve 11 flows out of the washing machine through the water outlet joint 21 and then flows out of the water draining pipe.

In this embodiment, the water guiding sleeve 11 is provided with a plurality of shaft sections gradually reducing the peripheral diameter from the first end to the second end, so that the water guiding sleeve 11 is assembled and installed, and the assembly of the water guiding sleeve can be realized only by sequentially transmitting the water guiding sleeve into the driving motor from the small end.

Example III

As shown in fig. 1 to 9, in the present embodiment, there is described a water outlet structure of a washing machine, in which a sealed water flow chamber 19 is fixedly installed at the rear side of an inner drum support 4 of the washing machine, a water outlet connector 21 fixed to the inner drum support 4 is provided on the water flow chamber 19, and an end portion of a water guiding sleeve 11 rotating with the inner drum 1 extends into the water flow chamber 19 to discharge washing water flowing from the inner drum 1 along the water guiding sleeve 11.

Through setting up the flowing water cavity in the washing machine rear side for after the guide wash water outflow, along with the common rotatory water guide sleeve of inner tube and flowing water cavity realization dynamic seal connection, directly correspond the grafting with the washing machine drain pipe again, avoided the direct rotation asynchronous that produces with the drain pipe butt joint of water guide sleeve, can't the problem of butt joint, and then realized the mesh of discharging out the washing machine smoothly with the wash water that the water guide sleeve led out.

As shown in fig. 3 and 6, in the present embodiment, a fixing frame 22 is fixedly installed on the rear side of the inner drum support 4 of the washing machine, 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 provided on the fixing frame 22; the end of the water guide sleeve 11 rotating along with the inner cylinder 1 stretches into the water flowing cavity 19, dynamic sealing treatment is carried out on the penetrating joint, and washing water flowing out from the inner cylinder 1 along the water guide sleeve 11 is guided to the water flowing cavity 19 and then flows out through the water outlet joint 21.

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

As shown in fig. 6, in this embodiment, a bearing sleeve 24 for positioning and supporting the water guiding sleeve 11 and a dynamic sealing sleeve 25 for sealing the water guiding sleeve 11 are sequentially installed in the installation sleeve 23 from front to back, the bearing sleeve 24 and the dynamic sealing sleeve 25 are correspondingly sleeved on the periphery of the water guiding sleeve 11, and the periphery of the dynamic sealing sleeve 25 is in sealing and 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 connected with the rear side of the mounting sleeve 23 in a sealing manner; the center of the flange 26 is provided with a water outlet 29 coaxially arranged with the inner cylinder 1, and the water outlet 29 is correspondingly communicated with the running water chamber 19; preferably, the water outlet 29 is a cylindrical opening extending from the flange 26 in a rearward projecting manner; further preferably, a circle of limiting ribs 28 protruding towards the inside of the mounting sleeve 23 are arranged on the front side of the flange 26, the end parts of the limiting ribs 28 are in contact with the movable sealing sleeve 25, the outer peripheral diameter of the limiting ribs 28 is equal to the inner peripheral diameter of the mounting sleeve 23, and the limiting ribs 28 are correspondingly attached to and contacted with the inner wall of the mounting sleeve 23.

In order to improve the sealing performance of the water flow chamber, an elastic sealing gasket can be arranged at the contact position between the flange 26 and the mounting sleeve 23 so as to improve the sealing performance of the assembly joint of the flange 26 and the mounting sleeve.

In this embodiment, two sides of the mounting flange 27 are correspondingly attached to and contacted with the flange 26 and the fixing frame 22 respectively, and the mounting flange 27 is fixedly connected with the flange 26 and the fixing frame 22 respectively through bolts; preferably, the outer peripheral diameter of the flange 26 is greater than the inner peripheral diameter of the mounting sleeve 23 and less than the outer peripheral diameter 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 penetrating in sequence, or the mounting flange 27, the flange 26, the mounting flange 27 and the fixing frame 20 may be respectively and fixedly connected by different bolts.

In this embodiment, the movable sealing sleeve 25 is a sealing ring with a cross section in a shape of "C", 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 that dynamic sealing from inside to outside is ensured as much as possible, and the sealing performance of the joint of the water guide sleeve and the running water chamber is improved.

As shown in fig. 6 and 7, in this embodiment, the fixing frame 22 is a strip 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 parts are respectively and fixedly connected with 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 coaxially disposed with the axis of the inner cylinder 1.

In the embodiment, a driving motor 12 coaxially arranged with the inner cylinder 1 is fixedly arranged 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 separated 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 meshed with the outer rotor 13 of the driving motor 12, a limit sleeve 30 is sleeved on the periphery of the water guide sleeve 11, the limit sleeve 30 is arranged between the outer rotor 13 and the mounting sleeve 23, and the peripheral diameter of the limit 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 IV

As shown in fig. 1 to 9, in this embodiment, an inner drum applied to the washing-free washing machine is described, a plurality of lifting ribs 2 extending along an inner drum structural line are provided in the inner drum 1, the inside of the lifting ribs 2 is hollow, a plurality of water permeable holes 8 are provided on a water-blocking surface of the lifting ribs 2 to communicate the hollow part of the lifting ribs 2 with the inside of the inner drum 1, and a water outlet structure is provided at the rear end of the lifting ribs 2 near the inner drum bottom 6 to block washing water in the inner drum 1, guide the washing water to the rear side of the inner drum bottom 6 via the lifting ribs 2, and flow out of the inner drum 1 via a water guide channel 3 provided at the inner drum bottom 6.

Through set up many lifting ribs on the inner tube lateral wall to when inner tube high-speed rotation, make the wall adherence flow washing water and receive lifting rib to stop the effect and flow into inside the lifting rib, and follow lifting rib inside cavity and flow to the inner tube bottom direction because of centrifugal force effect, and then avoided the washing water turbulence, lead to the emergence of the low condition of drainage rate.

As shown in fig. 1 and 2, in the present embodiment, the inner barrel bottom 6 is provided with a plurality of water guiding channels 3 extending from the outer circumferential center, the outer circumferential ends of the water guiding channels 3 are respectively disposed corresponding to a lifting rib 2, and the lifting rib 2 and the corresponding water guiding channel 3 are disposed in the radial section of the same 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.

Through setting up a corresponding lifting rib respectively in each water guide runner department to make the washing water that is blocked by the lifting rib and drains to the inner tube end directly flow into corresponding water guide runner, and then make one-to-one opposite lifting rib and water guide runner form a complete drainage channel, promote drainage velocity of flow and efficiency.

As shown in fig. 8, in this embodiment, the water outlet structure provided at the rear end of the lifting rib 2 is a water permeable hole 8 provided at the rear end of the lifting rib 2, and/or a notch 9 provided at the junction between the rear end of the lifting rib 2 and the wall of the inner drum 1 of the washing machine; the inside of the lifting rib 2 is communicated with the inner cylinder 1 through the water permeable holes 8 and/or the openings 9; preferably, one end of the water guide channel 3 is arranged at the periphery of the inner cylinder bottom 6 at a certain interval 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 inner cylinder 1 wall of the washing machine, and the notch 9 and the gap are arranged along the same inner cylinder construction line; it is further preferable that a certain gap is formed between the rear end of the lifting rib 2 and the inner barrel bottom 6 so that washing water in the inner barrel flows into the water guide flow channel 3 from the gap.

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

In this embodiment, the baffle 31 extends along the center line of the lifting rib 2, and the independent chambers at two sides of the baffle 31 are respectively communicated with the water outlet structure at the rear of the lifting rib 2, so that the washing water in the two independent chambers can be discharged from the water outlet structure at the rear end of the lifting rib 2 to the corresponding water guide channel 3. Preferably, two independent chambers divided by the baffle plate 31 inside the lifting rib 2 are respectively communicated with a part of the 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 inclined planes inclined gradually from the inner bottom 6 to the opening of the inner cylinder 1 and away from the axis of the lifting rib 2, so as to guide the washing water inside the lifting rib 2 to flow along the baffle 31 toward the center of the rear end of the lifting rib 2, and make the water outlet structure of the rear end of the lifting rib 2 flow into the corresponding water guide channel 3.

The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.

Claims

1. An inner cylinder structure of a washing machine is characterized in that: the bottom center of the inner barrel of the washing machine is provided with a water outlet port which penetrates through the inner barrel, and the first end of the water guide sleeve is correspondingly connected with the water outlet port in a plug-in manner so as to guide washing water flowing out of the inner barrel to flow to a drain pipe of the washing machine along the water guide sleeve; the first end of the water guide sleeve is provided with a connecting structure fixed with the bottom of the inner cylinder, and the water guide sleeve is meshed and fixed with a rotor of a driving motor of the washing machine, so that the rotor of the driving motor drives the inner cylinder to rotate through the water guide sleeve;

a plurality of lifting ribs protruding into the inner cylinder are arranged on the side wall of the inner cylinder, the inside of the lifting ribs is hollow, water permeable holes communicated with the inside are formed in the water poking surface of the lifting ribs, the rear ends of the lifting ribs are close to the bottom of the inner cylinder, and a water outlet structure communicated with the inside of the inner cylinder is arranged;

the inner cylinder of the washing machine is a closed container with an inner cylinder opening buckled by a door cover;

the lifting rib hollow part is provided with a baffle plate extending along the inner cylinder construction line, the baffle plate divides the lifting rib hollow part into two mutually independent parts, and the two parts are respectively communicated with the inner cylinder through water permeable holes arranged on the corresponding side water poking surfaces;

the left and right sides of the baffle are inclined planes which gradually incline away from the axis direction of the lifting rib from the inner barrel bottom to the inner barrel opening so as to guide the washing water in the lifting rib to flow along the baffle towards the center of the rear end of the lifting rib, and the washing water directly flows into the corresponding water guide flow channel.

2. The washing machine inner cylinder structure according to claim 1, wherein the outer side of the inner cylinder bottom is provided with fixedly connected supporting pieces, the supporting pieces are symmetrically arranged relative to the center of the inner cylinder bottom, and the center of the supporting pieces is provided with through holes for the corresponding passing of water outlet ports; the first end of the water guide sleeve is fixedly connected with the supporting piece and is correspondingly spliced with the water outlet port.

3. The washing machine inner cylinder structure according to claim 2, wherein the center of the supporting member is provided with a plug-in portion which is engaged with and fixed to the first end of the water guiding sleeve, and the water outlet port is coaxially provided at the end of the plug-in portion, and the first end of the water guiding sleeve hinged to the supporting member is correspondingly plug-in connected with the water outlet port.

4. A washing machine inner tub structure according to any one of claims 1 to 3, wherein the water guide sleeve extends in an inner tub axis direction; the inner tube rear end is equipped with inner tube support piece, installs the driving motor who sets up with the inner tube is coaxial on the inner tube support piece, and driving motor's rotor center and water guide sleeve's second end periphery looks fixed connection.

5. The washing machine inner cylinder structure according to claim 4, wherein a bearing seat of a cylindrical structure is arranged at the center of the inner cylinder support member, at least one bearing sleeve coaxially arranged with the inner cylinder is arranged in the bearing seat, and the middle support of the water guide sleeve is arranged in the bearing sleeve.

6. The washing machine inner cylinder structure according to claim 5, wherein the front and rear ends of the bearing housing are respectively provided with a bearing sleeve; the inner diameter of the front bearing sleeve is larger than that of the rear bearing sleeve, and the water guide sleeve is provided with different shaft sections which are respectively and correspondingly arranged with the front bearing sleeve and the rear bearing sleeve, so that the front bearing sleeve and the rear bearing sleeve respectively and correspondingly and fixedly support the different shaft sections of the water guide sleeve.

7. The washing machine inner cylinder structure according to claim 5, wherein the outer circumference of the water guiding sleeve is further sleeved with a movable sealing ring, the movable sealing ring is arranged between the bearing seat and the supporting member, and the outer circumference of the movable sealing ring is in sealing contact with the front end of the bearing seat so as to prevent the washing water from leaking.

8. The washing machine inner cylinder structure according to claim 4, wherein the driving motor is disposed at the rear side of the supporting member, the second end of the water guiding sleeve sequentially passes through the inner stator and the outer rotor of the motor, a spline hole fixedly connected with the water guiding sleeve correspondingly passing through the shaft section is disposed at the center of the outer rotor, and matched external splines are disposed at the periphery of the corresponding shaft section of the water guiding sleeve, so that the water guiding sleeve is fixedly connected with the outer rotor through the matched splines.

9. The drum structure of claim 4, wherein the second end of the water guiding sleeve passes through the outer rotor, and the second end of the water guiding sleeve is communicated with the water draining pipe of the washing machine through the water draining structure so as to guide the washing water out of the washing machine.

10. The washing machine inner barrel structure according to claim 9, wherein the water outlet structure comprises a sealed water flowing cavity fixedly installed on the inner barrel supporting member, the outer side of the water flowing cavity is communicated with the water outlet joint, the inner side of the water flowing cavity is communicated with the second end of the water guide sleeve pipe, and the end part of the water outlet joint is communicated with the water outlet pipe of the washing machine so that washing water flowing into the water flowing cavity from the water guide sleeve pipe flows out of the washing machine through the water outlet joint and then flows out of the water outlet pipe.

11. A washing machine inner tub structure as claimed in any one of claims 1 to 3, wherein the water guiding sleeve is provided with a plurality of shaft sections of gradually reduced outer peripheral diameter from the first end to the second end.

12. A washing-free washing machine having the washing machine inner tub structure as claimed in any one of claims 1 to 11, characterized in that: 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 a high speed, washing water is guided to flow towards the direction of the bottom of the inner cylinder and is discharged out of the inner cylinder through a water outlet interface of a central joint after flowing to the center of the bottom of the inner cylinder along a water guide channel arranged at the bottom of the inner cylinder.