CN111945391A

CN111945391A - Washing machine

Info

Publication number: CN111945391A
Application number: CN201910398753.5A
Authority: CN
Inventors: 吕佩师; 许升; 赵志强; 赵新宇
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd; Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd; Qingdao Haier Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-11-17

Abstract

The invention relates to a washing machine, wherein the inner cylinder of the washing machine is a container with an opening which is closed by a door cover and is closed during washing, the inner cylinder is provided with at least one washing normally closed hole, a water collecting tray is arranged outside the inner cylinder and is used for collecting the drainage of the washing machine, and the inner cylinder is provided with a water guide channel which guides the drainage of the washing machine, which flows out of the washing normally closed hole of the inner cylinder, to the water collecting tray. The inner barrel is a sealed container after the door cover is buckled and when the washing machine performs washing, 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, and the washing cleanliness of the washing machine is greatly improved.

Description

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.

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 provide a washing machine, so as to integrate the inner and outer drums, and make the inner drum be a sealed container, which can not only contain water and clothes, but also rotate to beat the clothes for washing; meanwhile, because the washing machine is not provided with the outer cylinder or the outer cylinder and the washing machine shell are integrally arranged, the inner cylinder of the washing machine can be expanded to expand the washing capacity of the washing machine, and the development hotspot is generated.

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 overcome the above-mentioned drawbacks of the prior art, and provides a washing machine, in which an inner cylinder is in a high-speed rotation state when the washing machine is in a drainage or dehydration process, so that a normally closed washing hole formed in the inner cylinder is opened by centrifugal force, thereby solving the problem of outward discharge of washing water in the inner cylinder.

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:

the washing machine has an inner tub with at least one normally closed washing hole, a water collecting tray outside the inner tub for collecting the drained water, and a water guiding passage for guiding the drained water from the normally closed washing hole to the water collecting tray.

Further, the water collecting tray is arranged at one end of the inner cylinder; the water collecting tray comprises a tray shape covering the end of the inner cylinder, and the periphery of the tray shape is provided with an annular folded edge extending towards the other end of the inner cylinder; a gap is formed between the inner periphery of the annular folded edge and the outer wall of the inner cylinder; the water outlet end of the water guide channel extends into a gap between the annular folded edge and the outer wall of the inner cylinder; preferably, the water outlet end of the water guide channel extends to the disc-shaped structure of the water collecting disc, and a gap for water flow to pass through is formed between the water outlet end and the disc-shaped structure.

Further, the annular folded edge of the water collecting plate is provided with an inner folded edge which is bent and extended towards the axial direction of the inner cylinder, and the end part of the inner folded edge is close to or in contact with the outer wall of the inner cylinder in a fitting manner; preferably, the inner flanging is arranged at one end of the annular flanging, which is far away from the disc-shaped structure of the water collecting disc. Preferably, a circle of dynamic seal is arranged between the inner flanging and the outer wall of the inner cylinder.

Furthermore, a circle of dynamic seal is arranged between the annular folded edge and the outer wall of the inner cylinder so as to seal the joint of the water collecting tray and the inner cylinder.

Furthermore, the water outlet end of the water guide channel is arranged towards the disc-shaped structure of the water collecting disc, and the water outlet end is provided with an outward flange which is bent and extended towards the annular flange direction of the water collecting disc;

preferably, the outward flanging is arranged at the end part of the water guide channel extending into the gap between the water collecting tray and the outer wall of the inner cylinder.

Further, when the washing machine is in a washing state, the normally closed washing hole is in a closed state; when the washing machine is in a dehydration state, the normally closed washing hole is in an open state;

preferably, the washing normally closed hole comprises a hole arranged on the inner cylinder wall, and a sealing valve structure is arranged at the hole; the sealing valve structure comprises a valve core, a valve body and a sealing valve body, wherein the valve core can movably seal or open a hole; the centrifugal device is connected with the valve core, and the valve core is pulled to open the hole under the action of centrifugal force when the inner cylinder rotates at high speed; and the elastic element is connected with the valve core and overcomes the centrifugal force to push the valve core to close the hole when the inner cylinder rotates at a low speed.

Furthermore, the water guide channel is arranged on the inner wall, or the outer wall, or the inner part of the inner cylinder wall, the water inlet end of the water guide channel is communicated with the inner part of the inner cylinder through a normally closed hole, and the water outlet end of the water guide channel is provided with a water outlet communicated with the water collecting tray; preferably, the water guide channel extends along the parallel direction of the axis of the inner cylinder; further preferably, the water collecting tray is fixedly arranged on the shell of the washing machine, and the bottom of the water collecting tray is communicated with a drain pipe of the washing machine.

Furthermore, one end of the inner cylinder is provided with an opening, and the water collecting tray is arranged at the other end of the inner cylinder opposite to the opening; the rear side of the water collecting tray is provided with a motor, the center of the bottom of the inner cylinder is provided with an inner cylinder shaft which is coaxially arranged, the inner cylinder shaft passes through the water collecting tray, and the penetrating end of the inner cylinder shaft is connected with the motor directly or through a transmission device; the inner barrel shaft is arranged in a hollow manner, so that the hollow portion forms a flow channel, one end of the flow channel is connected with the inner barrel, and the other end of the flow channel is connected with a water inlet structure of the washing machine.

Furthermore, the washing normally closed hole is formed in the side wall of the inner barrel, and the diameter of each section of the side wall of the inner barrel is increased towards the direction of the section where the washing normally closed hole is formed.

Further, the lowest part of the water collecting tray is communicated with a drain pipe of the washing machine; preferably, the lowest part of the annular folded edge of the water collecting disc is communicated with the water drainage pipe, and the inner folded edge on the annular folded edge is arranged close to the opening of the inner barrel relative to the communication part of the water drainage pipe.

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

the water collecting tray is arranged on the washing machine, so that the drainage flowing out of the washing normally closed holes in the inner barrel can be completely collected into the water collecting tray, and the aim of smoothly discharging the drainage when the washing normally closed holes are opened under the action of centrifugal force is fulfilled.

The water guide channel is arranged on the inner barrel, so that the purpose that the drainage water flowing out of the inner barrel smoothly flows into the water collecting tray along the water guide channel is achieved, and the effect of overflow of washing drainage water is further avoided.

The outward flange is arranged at the water outlet end of the water guide channel to block the water discharged from the water outlet channel, so that the direct leakage of water flow from the open side of the water collecting disc is avoided; meanwhile, the inward flanging is arranged on the open side of the water collecting tray to shield the water flow flowing into the water collecting tray, so that the drainage leakage is effectively avoided; in addition, the dynamic seal is arranged between the inner flanging and the outer wall of the inner barrel, so that a cavity surrounded by the water collecting plate directly forms a sealed cavity, and the condition of water flow leakage is directly avoided.

The side wall of the inner cylinder is set to be a cone or a rhombus which gradually increases the cylinder diameter towards the washing normally closed hole, so that the washing water in the inner cylinder is guaranteed to be gathered towards the washing normally closed hole under the action of centrifugal force, and the effect of completely discharging the washing water in the inner cylinder 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 scheme of the invention clearer and facilitate further understanding of the beneficial effects brought by the technical scheme, the following detailed description of some specific embodiments of the invention is made 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 to 13 are schematic structural views of a washing machine according to various embodiments of the present invention;

FIG. 14 is an enlarged schematic view of a washing normally closed hole of FIG. 2 according to an embodiment of the present invention.

The figure is marked with: 1. the device comprises an inner barrel, 2, a shell, 3, an inner barrel support, 4, a door cover, 5, a driving motor, 6, a washing normally closed hole, 7, a water collecting disc, 8, a lifting rib, 9, a sealing valve, 10, a water guide channel, 11, a water discharge pipe, 12, a water discharge device, 13, a disc-shaped structure, 14, an annular folding edge, 15, an inner flanging, 16, an outer flanging, 17, a dynamic seal, 18, a belt pulley, 19, a belt, 20, a motor, 21, an inner barrel shaft, 101, an inner barrel opening, 102, an inner barrel bottom, 103 and an inner barrel side wall.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 13, the embodiment of the present invention describes a washing machine, the washing machine includes a housing 2, an inner cylinder 1 is provided in the housing 2, an axis of the inner cylinder 1 extends horizontally or inclines downwards from front to back, an inner cylinder opening 101 is provided at a front end of the inner cylinder 1 for opening, an inner cylinder bottom 102 is provided at a rear end for sealing, and an inner cylinder sidewall 103 connects the inner cylinder opening 101 and the inner cylinder bottom 102 to form the inner cylinder 1; 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 washing machine shell 2 is provided with a door cover 4 which can be opened outwards, so as to seal the inner cylinder opening 101 after the door cover 4 is closed, and to throw clothes into the inner cylinder 1 from the inner cylinder opening 101 after the door cover 4 is opened. The rear end of the inner barrel 1 is arranged in the washing machine shell 2 through the inner barrel supporting piece 3, the inner barrel supporting piece 3 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 3 are respectively bent towards the barrel mouth direction of the front end of the inner barrel 1, the bent parts at least extend to the middle part of the inner barrel 1, and the upper bent parts and the lower bent parts are respectively connected with the washing machine shell 2 through the damping hanging spring and the damping supporting rod, so that the aim that the inner barrel supporting piece 3 can be arranged; meanwhile, the center of the inner drum bottom 102 is coaxially arranged with the motor shaft of the driving motor 5 of the washing machine to drive the inner drum 1 to rotate, and both the inner drum 1 and the driving motor 5 are fixedly arranged on the inner drum support 3. Preferably, the inner cylinder bottom 102 and the driving motor 5 are respectively arranged at two sides of the inner cylinder support 3, the driving motor 5 is fixedly connected with the inner cylinder support 3, a motor shaft of the driving motor 5 passes through the inner cylinder support 3 through a bearing and is coaxially and fixedly connected with the inner cylinder bottom 102, and the motor shaft of the driving motor 5 can rotate relative to the inner cylinder support 3, so that the purposes that the inner cylinder 1 and the driving motor 5 are arranged on the inner cylinder support 3 and the inner cylinder 1 can rotate independently under the action of the driving motor 5 to wash the internal clothes are achieved. Preferably, the motor shaft of the driving motor 5 directly forms the inner cylinder shaft 21, and the inner cylinder shaft 21 is coaxially and fixedly connected with the inner cylinder bottom 102 of the inner cylinder 1.

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: as shown in FIG. 8, the existing common washing machine can be adopted, and only the washing machine inner cylinder 1 is required to be set to be a washing machine without a dehydration hole, and the door cover 4 closes the inner cylinder opening 101 to form a sealed container.

Meanwhile, the inner barrel is arranged to be a sealed container after the door cover is buckled, and the washing machine is used for washing, 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.

In the embodiment of the invention, in order to discharge water flow after clothes in the inner barrel 1 of the washing machine are separated and realize that the inner barrel 1 is sealed and filled with water to carry out normal washing in the working process of the washing machine, the following settings are carried out:

the inner cylinder is provided with a washing normally closed hole 6, so that in the normal washing and rinsing processes of the inner cylinder, when the rotating speed of the inner cylinder is lower than a set value, the washing normally closed hole 6 is closed, the inner cylinder directly forms a water containing cylinder for containing washing and rinsing water, and the washing and rinsing water retained in the inner cylinder is used for washing or rinsing clothes; when the rotation speed of the inner cylinder is higher than a set value in the process of performing dehydration and drainage by the inner cylinder, the washing normally closed hole 6 is opened, so that water in the inner cylinder directly flows out through the washing normally closed hole 6.

In the embodiment of the invention, a water collecting tray 7 is arranged outside the inner barrel 1 of the washing machine, and the water collecting tray 7 can be directly formed by the inner barrel supporting piece 3, can be an independent piece arranged on the inner barrel supporting piece 3, and can also be an independent piece arranged independently from the inner barrel supporting piece 3. The water collecting tray 7 forms a chamber for containing the effluent and drainage in the inner barrel, and the water collecting tray 7 is communicated with a drainage pipe 11 of the washing machine, so that the drainage flowing out of the normally closed washing hole 6 is collected by the water collecting tray 7, flows into the drainage pipe 11 and then is discharged out of the washing machine.

Example one

As shown in fig. 1, in the present embodiment, a water collecting tray 7 is disposed outside the inner tub 1 of the washing machine, and the water collecting tray 7 is disposed at one end of the inner tub 1; preferably, the water collection tray 7 is provided at the inner cylinder bottom 102.

In the embodiment, the water collecting tray 7 comprises a disc-shaped structure 13 covering the end of the inner cylinder, and the periphery of the disc-shaped structure 13 exceeds the periphery of the bottom 102 of the inner cylinder; the outer periphery of the disc-shaped structure 13 is provided with an annular flange 14 extending towards the other end of the inner cylinder, at least part of the annular flange 14 is overlapped with the side wall 103 of the inner cylinder, and a gap is formed between the inner periphery of the annular flange 14 and the outer wall surface of the side wall 103 of the inner cylinder. Thus, the disc-shaped structure 13 and the annular flange 14 of the water collection tray 7 form a chamber which is arranged towards the opening of the inner drum 1 and is used for accommodating the water flowing out of the normally closed washing hole 6 of the inner drum 1.

In this embodiment, the water collecting tray 7 directly forms the inner tub supporting member 3, and the upper portion and the lower portion of the water collecting tray 7 are respectively connected to the washing machine housing 2 through the damping suspension spring and the damping supporting member, so that the water collecting tray 7 is installed in the washing machine housing 2 to be capable of generating vibration displacement. In this embodiment, the water collecting tray 7 is coaxially installed on the inner cylinder bottom 102, the driving motor 5 is installed on the side of the water collecting tray 7 away from the inner cylinder, the inner cylinder shaft 21 penetrates through the water collecting tray 7, one end of the inner cylinder shaft is coaxially connected with the inner cylinder bottom 102, and the other end of the inner cylinder shaft is directly connected with the driving motor 5 or is connected with the driving motor 5 through a speed reduction clutch.

Preferably, in order to improve the washing efficiency of the washing machine, an auxiliary stirring device, such as a pulsator, a stirring column, etc., may be additionally installed in the inner tub 1; the driving shaft of the auxiliary stirring device passes through the inner cylinder bottom 102 and then the water collecting tray 7 and then is directly connected with the motor or is connected with the driving motor 5 through a speed reduction clutch.

In the embodiment, the bottom of the water collecting tray 7 is communicated with a drain pipe 11, and a control device 12 for controlling the on-off of water flow in a pipeline is arranged on the drain pipe 11; the control device 12 may be a drain pump for draining the upper drain washing machine or a drain valve for draining the lower drain washing machine. Preferably, the lowest position of the annular flange 14 of the water collection tray 7 is in communication with the drain pipe 11 to ensure that all of the drain water flowing into the water collection tray 7 can flow out of the drain pipe 11.

Meanwhile, a certain gap is formed between the inner cylinder bottom 102 and the disc-shaped structure 13 of the water collecting tray 7, so that the drainage flowing into the water collecting tray 7 from the inner cylinder 1 can flow downwards along the gap, and the drainage smoothness is further ensured.

Example two

As shown in fig. 1, in the present embodiment, a water guide channel 10 is disposed on the inner tub 1 of the washing machine, a water inlet end of the water guide channel 10 is communicated with the normally closed washing hole 6, and a water outlet end of the water guide channel 10 is provided with a water outlet communicated with the water collecting tray 7, so that the drainage water of the inner tub of the washing machine flows into the water collecting tray 7 through the water guide channel 10.

In this embodiment, the normally closed washing hole 6 is disposed on the inner cylinder sidewall 103; preferably, the normally closed washing hole 6 is formed in the side wall 103 of the inner cylinder close to the opening 101 of the inner cylinder. The water guide channel 10 extends along the parallel direction of the axis of the inner cylinder 1, one end of the water guide channel 10 close to the cylinder opening 101 side of the inner cylinder is arranged in a sealing way, and one end of the water guide channel 10 close to the cylinder bottom 102 side of the inner cylinder is arranged in an opening way. And one end of the water guide channel 10 close to the inner cylinder bottom 102 side is vertically overlapped with at least part of the annular folded edge 14 of the water collecting tray 7, so that the water outlet end of the water guide channel 10 extends into the water collecting tray 7, and the drainage flowing out of the water guide channel 10 can completely flow into the water collecting tray 7.

In this embodiment, the axis of the water outlet end of the water guiding channel 10 is parallel to the axis of the inner cylinder 1, so that the water flow flowing out of the water guiding channel 10 can be sprayed in the horizontal direction, and further the water flow flowing into the water collecting tray 7 is guided by the disc-shaped structure 14 to flow downwards until flowing into the drain pipe 11 at the lowest end of the water collecting tray 7.

As shown in fig. 2, in the present embodiment, the water guide channel 10 may be disposed on an outer wall of the inner cylinder sidewall 103, and the water guide channel 10 is disposed to protrude from the outer wall of the inner cylinder sidewall 103, so that the water guide channel 10 is located outside the inner cylinder. The water guide channel 10 extends along the structural line of the inner cylinder side wall 103, and the water guide channel 10 is hermetically arranged close to the inner cylinder opening 101 side and is arranged close to the inner cylinder bottom 102 side opening. The side wall 103 of the inner cylinder is provided with a washing normally closed hole 6 communicated with the water guide channel 10, and the washing normally closed hole 6 is positioned in the middle of the inner cylinder 1 or close to the side of the cylinder opening 101 of the inner cylinder. The side of the water guide channel 10 far away from the inner cylinder 1 is spaced from the annular folded edge 14 of the water collecting tray 7 by a certain gap, so that the water guide channel 10 cannot interfere with the water collecting tray 7 in the rotation process of the inner cylinder 1.

As shown in fig. 8, in this embodiment, the water guide channel 10 may also be disposed on the inner wall of the inner cylinder sidewall 103, and the water guide channel 10 is disposed to protrude from the inner wall of the inner cylinder sidewall 103, so that the water guide channel 10 is located inside the inner cylinder 1. The water guide channel 10 extends along a structural line of the side wall 103 of the inner cylinder, the side of the water guide channel 10 close to the cylinder opening 101 of the inner cylinder is hermetically arranged, and a water outlet penetrating through the bottom 102 of the inner cylinder is arranged on the side close to the bottom 102 of the inner cylinder. The side wall 103 of the inner cylinder is provided with a washing normally closed hole 6 communicated with the water guide channel 10, and the washing normally closed hole 6 is positioned in the middle of the inner cylinder 1 or close to the side of the cylinder opening 101 of the inner cylinder. The water outlet of the water guide channel 10 is positioned at the periphery of the inner cylinder bottom 102 and is arranged opposite to the disc-shaped structure of the water collecting disc 7, so that the washing drainage sprayed from the water outlet is prevented by the disc-shaped structure and flows downwards.

In this embodiment, the water guide channel 10 can be disposed inside the inner cylinder sidewall 103 by utilizing the wall thickness of the inner cylinder sidewall 103, and the purpose that the drainage at the inner cylinder washing normally closed hole 6 flows into the water collection tray 7 along the water guide channel 10 can also be achieved.

EXAMPLE III

As shown in fig. 7, in the present embodiment, the water outlet end of the water guide channel 10 is provided with an outward flange 16 that protrudes and extends radially toward the outer periphery of the inner cylinder 1, so that the water jet flowing out from the water guide channel 10 is blocked by the outward flange 16 and flows downward; meanwhile, the outward turned edge 16 extends for a certain length along the vertical direction, so that the outward turned edge 16 can shield the water flowing into the water collecting tray 7, and the water at the lower end of the water collecting tray 7 is prevented from flowing out from the opening of the water collecting tray 7.

In this embodiment, the water guide channel 10 is disposed on the outer wall of the inner cylinder sidewall 103, and a circle of outward flanges 16 extending along the radial direction of the inner cylinder 1 and in the direction away from the axis of the inner cylinder is disposed at the water outlet end of the water guide channel 10. Preferably, the water outlet end of the water guide channel 10 is provided with a water outlet for water flow, and the outward flange 16 extends to the outside of the water guide channel along the radial direction of the water outlet. The extending end of the flange 16 is attached to or close to the inner wall of the annular flange 14 of the water collection tray 7 to ensure that water flowing into the water collection tray 7 is blocked by the flange and does not flow out of the open side of the water collection tray 7.

Example four

As shown in fig. 5 and 6, in the present embodiment, one side of the water guiding channel 10 away from the axis of the inner barrel 1 is an inclined surface gradually outward away from the axis of the inner barrel from the normally closed washing hole 6 toward the water collecting tray 7, so as to ensure that the drainage water flowing into the water guiding channel 10 flows into the water collecting tray 7 along the inclined surface. The water guide channel is arranged to be the inclined plane inclined towards the direction of the water collecting tray, so that water flow flowing into the water guide channel smoothly flows into the water collecting tray along the water guide channel under the action of the rotating centrifugal force of the inner barrel, and the purpose of improving the drainage efficiency is achieved.

In this embodiment, the water guide channel 10 is disposed at the outer wall of the inner cylinder sidewall 103. The outer wall of the inner cylinder side wall 103 extends outwards to form extension ribs, the extension ribs extend along the parallel direction of the axis of the inner cylinder 1, the left side and the right side of each extension rib are respectively in sealing connection with the inner cylinder side wall 103, one end of each extension rib close to the inner cylinder opening 101 is in sealing connection with the inner cylinder side wall 103, one end of each extension rib close to the inner cylinder bottom 102 is arranged at intervals with the inner cylinder side wall 103, and therefore the extension ribs and the inner cylinder side wall 103 jointly form a water guide channel 10.

In this embodiment, the inner wall surface of the water guide channel 10 on the side far from the axis of the inner cylinder 1 is an inclined surface gradually inclined downwards from the cylinder opening 101 of the inner cylinder to the cylinder bottom 102, so as to guide the washing water flowing into the water guide channel 10 to flow along the inclined surface to the water outlet end of the water guide channel 10 under the action of centrifugal force.

Similarly, when the water guide channel 10 is located on the inner wall surface of the inner cylinder sidewall 103, an extension rib extends inwards from the inner wall of the inner cylinder sidewall 103, the extension rib extends along the axis of the inner cylinder 1 in a parallel direction, the left side and the right side of the extension rib are respectively connected with the inner cylinder sidewall 103 in a sealing manner, one end of the extension rib close to the inner cylinder opening 101 is connected with the inner cylinder sidewall 103 in a sealing manner, and one end of the extension rib close to the inner cylinder bottom 102 is arranged at an interval with the inner cylinder sidewall 103, so that the extension rib and the inner cylinder sidewall 103 jointly enclose the water guide channel 10. And through holes are formed at the inner bottom 102 to ensure the washing water in the water guide passage 10 to be smoothly discharged.

In this embodiment, one side away from the axis of the inner cylinder 1 may be partially, partially or wholly inclined from the washing normally closed hole 6 to the water collecting tray 7, and the purpose of smoothly discharging the water flowing into the water guide channel to the outside can be achieved.

EXAMPLE five

As shown in fig. 12 and 13, in the present embodiment, the washing normally closed hole 6 is directly disposed at the inner cylinder bottom 102, and the water outlet end of the washing normally closed hole 6 is directly communicated with the water collecting tray 7, so as to directly flow the drain water into the water collecting tray 7.

In the embodiment, the washing normally closed holes 6 are arranged at the periphery of the inner cylinder bottom 102, the washing normally closed holes 6 are arranged towards the disc-shaped structures 13 of the water collecting disc 7, and preferably, the axes of the washing normally closed holes 6 are arranged in parallel with the axis of the inner cylinder 1, so that the washing water flowing out of the washing normally closed holes 6 directly sprays the disc-shaped structures 13 of the water collecting disc 7 and flows downwards along the disc-shaped structures 13 to flow through the drain pipe 11 for being discharged outwards.

In this embodiment, the diameter of the sidewall 103 of the inner cylinder of the washing normally closed hole 6 is gradually increased from the two ends to the direction of the washing normally closed hole 6, so that the washing water contained in the inner cylinder 1 is converged to the cross section where the washing normally closed hole 6 is located under the action of the centrifugal force in the rotation process of the inner cylinder, and the purpose that the washing water in the inner cylinder 1 can be completely discharged from the washing normally closed hole 6 is ensured. Preferably, the normally closed washing hole 6 is formed in the inner cylinder bottom 102, and the diameter of the inner cylinder sidewall 103 gradually increases from the inner cylinder opening 101 to the inner cylinder bottom 102, so that the washing water in the inner cylinder 1 is guided to flow in a converging manner along the inner cylinder sidewall 103 to the inner cylinder bottom 102 during the rotation of the inner cylinder 1, and further, the washing water in the inner cylinder 1 can be completely discharged from the normally closed washing hole 6.

Similarly, in the present embodiment, the normally closed washing hole 6 may also be disposed on the inner cylinder opening 101 side of the inner cylinder 1, the normally closed washing hole 6 is disposed on the outer periphery of the inner cylinder opening 101 side, and the inner cylinder 1 is configured as a tapered cylinder gradually increasing from the inner cylinder bottom 102 to the inner cylinder opening 101 side; the water collecting disc 7 is arranged at the side of the opening 101 of the inner cylinder, and the aim of smoothly discharging the washing water in the inner cylinder can be achieved.

EXAMPLE six

As shown in fig. 10 and 11, in the present embodiment, the washing normally closed hole 6 is directly disposed on the inner cylinder sidewall 103 near the inner cylinder bottom 102, and the water outlet end of the washing normally closed hole 6 is directly communicated with the water collecting tray 7, so as to directly flow the drain water into the water collecting tray 7.

In this embodiment, the normally closed washing hole 6 is disposed on the side of the inner cylinder sidewall 103 close to the inner cylinder bottom 102, the water collection tray 7 is disposed at the inner cylinder bottom 102, the axis of the normally closed washing hole 6 extends along the inner cylinder radial direction, and the normally closed washing hole 6 and the annular folded edge 14 of the water collection tray 7 are disposed in a mutually overlapped manner in the horizontal direction, so as to ensure that the water flow flowing out of the normally closed washing hole 6 can directly flow into the water collection tray 7.

In this embodiment, the diameter of the inner cylinder sidewall 103 gradually increases from both ends to the direction of the normally closed washing hole 6, so that the washing water contained in the inner cylinder 1 converges toward the cross section where the normally closed washing hole 6 is located under the action of the centrifugal force during the rotation of the inner cylinder, thereby ensuring the purpose that the washing water in the inner cylinder 1 can be completely discharged from the normally closed washing hole 6. Preferably, the normally closed washing hole 6 is formed in the side wall 103 of the inner cylinder close to the inner cylinder bottom 102, and the diameter of the side wall 103 of the inner cylinder is gradually increased from the opening 101 of the inner cylinder to the inner cylinder bottom 102, so that the washing water in the inner cylinder 1 is guided to flow in a converging manner along the side wall 103 of the inner cylinder towards the inner cylinder bottom 102 during the rotation of the inner cylinder 1, and the washing water in the inner cylinder 1 is ensured to be completely discharged from the normally closed washing hole 6.

Similarly, in the embodiment, the normally closed washing hole 6 can also be arranged on the inner cylinder opening 101 side of the inner cylinder, the normally closed washing hole 6 is arranged on the inner cylinder sidewall 103 close to the inner cylinder opening 101 side, and the inner cylinder 1 is arranged as a tapered cylinder gradually increasing from the inner cylinder bottom 102 to the inner cylinder opening 101 side; the water collecting disc 7 is arranged at the side of the inner cylinder opening 101, and the aim of smoothly discharging the washing water in the inner cylinder 1 can be achieved.

Of course, in this embodiment, the normally closed washing hole 6 may be disposed at any position of the sidewall 103 of the inner cylinder, the water collecting tray 7 is correspondingly disposed at the vertical cross section corresponding to the normally closed washing hole 6, and the inner cylinder 1 is disposed as a rhombic cylinder with a diameter gradually increasing from two ends to the normally closed washing hole 6, so that the purpose of smoothly discharging the washing water in the inner cylinder can still be achieved.

EXAMPLE seven

As shown in fig. 3, in this embodiment, the end of the annular folded edge 14 of the water collecting tray 7 is provided with a ring of inward turned edges 15 extending towards the axial direction of the inner barrel 1, and the inward turned edges 15 are in contact with or close to the outer wall surface of the side wall 103 of the inner barrel to ensure the sealing performance of the chamber surrounded by the water collecting tray 7, thereby avoiding the problem that water flowing into the water collecting tray 7 flows out from the opening.

In this embodiment, the water guiding channel 10 may be disposed on the outer wall surface of the inner cylinder sidewall 103, and at least a portion of the water guiding channel 10 is overlapped with the annular folded edge 14 of the water collecting tray 7 in the vertical direction, so that the water outlet end of the water guiding channel 10 extends into the water collecting tray 7. The annular flanging 14 of the water collecting tray 7 is provided with an inner flanging which extends along the radial direction of the inner cylinder 1 and towards the axial direction of the inner cylinder 1 at the side close to the opening 101 of the inner cylinder, and the extending end of the inner flanging 15 and one side of the water guide channel 10 far away from the inner cylinder 1 are close to each other or are in contact with each other, so that the water flow flowing into the water collecting tray 7 cannot flow out from the side of the water collecting tray 7 close to the opening 101 of the inner cylinder.

In this embodiment, the water guiding channel 10 may also be disposed at the inner side of the inner cylinder sidewall 103 or inside the inner cylinder sidewall 103, the end of the annular folded edge 14 of the water collecting tray 7 near the inner cylinder opening 101 is disposed with an inner folded edge 15, and the extending end of the inner folded edge 15 is disposed near or in contact with the outer wall of the inner cylinder sidewall 103, so as to ensure that the water flowing into the water collecting tray 7 does not flow out from the inner cylinder opening side of the water collecting tray 7.

As shown in fig. 8, in order to further improve the sealing performance of the water collecting tray 7, a circle of dynamic seal 17 is arranged between the inward flange 15 and the inner cylinder sidewall 103 to seal the joint of the inward flange 15 and the inner cylinder sidewall 103, so as to realize the sealing treatment of the chamber enclosed inside the water collecting tray 7, and further ensure that the water flowing into the water collecting tray 7 does not leak.

Of course, in order to achieve the sealing performance of the water collecting tray 7 of the washing machine, the following arrangement may be made: a circle of dynamic seal 17 is arranged between the annular folded edge 14 of the water collecting tray 7 and the outer wall of the inner cylinder 1, the dynamic seal 17 replaces the inner folded edge 15, the joint of the water collecting tray 7 and the inner cylinder 1 is directly sealed by the dynamic seal 17, and the phenomenon of leakage of water flowing into the water collecting tray 7 can be avoided.

Example eight

As shown in fig. 1 to 6, in the present embodiment, a driving motor 5 formed by a direct-drive motor is installed on the water collection tray 7; the direct drive motor and the inner cylinder 1 are coaxially arranged. The direct drive motor comprises a rotor and a stator which are coaxially arranged, and the rotor and the stator are coaxially arranged with the inner barrel 1 so as to ensure that the gravity center of the direct drive motor is positioned on the axis of the inner barrel 1 and further ensure the stability of the washing machine in the operation process.

Or, the water collecting tray 7 is provided with a motor 20 connected with a transmission device, and the transmission device can be: a pulley, a gear set, etc. of any conventional transmission structure. In this embodiment, as shown in fig. 7 to 9, a belt pulley 18 is installed on one side of the water collecting tray 7 far away from the inner cylinder bottom 102, the belt pulley 18 is coaxially arranged with the inner cylinder 1, the center of the belt pulley 18 is connected with an inner cylinder shaft 21, and the inner cylinder shaft 21 passes through the water collecting tray 7 and then is coaxially connected with the inner cylinder bottom 102; the water collecting tray 7 is also provided with a motor 20, and a tensioned belt 19 is arranged between a motor shaft and the belt pulley 18, so that the power output by the motor is transmitted to the belt pulley 18 through the belt 19 to drive the belt pulley 18 and the inner barrel 1 to rotate.

Example nine

In an embodiment of the present invention, the washing normally closed hole includes: the hole is arranged on the inner cylinder and is arranged in a penetrating way so as to allow water flow to pass through; the centrifugal valve is arranged on the inner cylinder and correspondingly arranged at the hole, the valve core of the centrifugal valve is used for plugging the hole, and the valve core of the centrifugal valve is opened under the action of centrifugal force after the rotating speed of the inner cylinder reaches a set value. Preferably, the centrifugal valve further comprises an elastic member, and the elastic member is clamped between the valve core and the inner cylinder to provide a reset acting force for the valve core so as to push the valve core to block the hole. The centrifugal valve can be any valve body structure which can open the hole under the action of centrifugal force in the prior art.

As shown in fig. 14, in the present embodiment, the washing normally closed hole 6 may be provided by providing a hole 60 in the inner cylinder sidewall 103 and installing a centrifugal valve inside the inner cylinder sidewall 103. Centrifugal valve is including installing in the inboard support 61 of inner tube 1, install looks articulated balancing weight 62 on the support 61, hole 60 department is equipped with the valve plug post 64 that can reciprocate, valve plug post 64 is articulated mutually with balancing weight 62, add between valve plug post 64 and the inner tube lateral wall 103 and hold reset spring 63 to drive balancing weight 62 and remove to keeping away from 1 axis direction of inner tube under the effect of the rotatory centrifugal force of inner tube 1, and then pull valve plug post 64 and remove and open hole 60 to 1 axis direction of inner tube through articulated department.

Preferably, the inner side of the side wall 103 of the inner cylinder is provided with a lifting rib 8 protruding towards the center of the inner cylinder, the lifting rib 8 is hollow, and the lifting rib 8 is provided with a water permeable hole communicating the inner cylinder 1 with the hollow. The holes 60 of the washing normally closed hole 6 are arranged on the inner barrel side wall 103 corresponding to the lifting rib 8, and the inner hollow part of the lifting rib 8 is communicated with the outer part of the inner barrel 1. The centrifugal valve is provided in the hollow portion inside the lifting rib 8.

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. The utility model provides a washing machine, washing machine inner tube be the opening by the door closure lock after, be inclosed container during the washing, its characterized in that: the inner barrel is provided with at least one washing normally closed hole, the water collecting tray is arranged outside the inner barrel and used for collecting the drainage of the washing machine, and the inner barrel is provided with a water guide channel which guides the drainage of the washing machine, which flows out of the washing normally closed hole, of the inner barrel to the water collecting tray.

2. A washing machine as claimed in claim 1, wherein the water collecting tray is provided at one end of the inner tub; the water collecting tray comprises a tray shape covering the end of the inner cylinder, and the periphery of the tray shape is provided with an annular folded edge extending towards the other end of the inner cylinder; a gap is formed between the inner periphery of the annular folded edge and the outer wall of the inner cylinder; the water outlet end of the water guide channel extends into a gap between the annular folded edge and the outer wall of the inner cylinder;

preferably, the water outlet end of the water guide channel extends to the disc-shaped structure of the water collecting disc, and a gap for water flow to pass through is formed between the water outlet end and the disc-shaped structure.

3. The washing machine as claimed in claim 2, wherein the annular flange of the water collecting tray is provided with an inward flange extending in a bending manner towards the axial direction of the inner cylinder, and the end part of the inward flange is arranged close to or in contact with the outer wall of the inner cylinder in an attaching manner;

preferably, a circle of dynamic seal is arranged between the inner flanging and the outer wall of the inner cylinder.

4. A washing machine as claimed in claim 2 wherein a ring of dynamic seals is provided between the annular flange and the outer wall of the inner drum to seal the junction of the sump and the inner drum.

5. A washing machine as claimed in any one of claims 1 to 4 wherein the water outlet end of the water conduit is arranged towards the disc-like structure of the water collection tray and is provided with a flange extending in a direction towards the annular flange of the water collection tray;

6. A washing machine as claimed in any one of claims 1 to 4 wherein, in the washing machine in the washing condition, the normally closed cells are in the closed condition; when the washing machine is in a dehydration state, the normally closed washing hole is in an open state;

preferably, the washing normally closed hole comprises a hole arranged on the inner cylinder wall, and a sealing valve structure is arranged at the hole;

the sealing valve structure comprises a valve core, a valve body and a sealing valve body, wherein the valve core can movably seal or open a hole;

the centrifugal device is connected with the valve core, and the valve core is pulled to open the hole under the action of centrifugal force when the inner cylinder rotates at high speed;

and the elastic element is connected with the valve core and overcomes the centrifugal force to push the valve core to close the hole when the inner cylinder rotates at a low speed.

7. A washing machine as claimed in any one of claims 1 to 4 wherein the water conducting passage is provided in the inner wall, or outer wall, or interior of the inner tub wall, the water inlet end of the water conducting passage being connected to the interior of the inner tub through the normally closed washing hole, and the water outlet end being provided with a water outlet connected to the water collection tray.

8. A washing machine as claimed in any one of claims 1 to 4, wherein an opening is provided at one end of the inner tub, and the water collection tray is provided at the other end of the inner tub opposite to the opening; the rear side of the water collecting tray is provided with a motor, the center of the bottom of the inner cylinder is provided with an inner cylinder shaft which is coaxially arranged, the inner cylinder shaft passes through the water collecting tray, and the penetrating end of the inner cylinder shaft is connected with the motor directly or through a transmission device; the inner barrel shaft is arranged in a hollow manner, so that the hollow portion forms a flow channel, one end of the flow channel is connected with the inner barrel, and the other end of the flow channel is connected with a water inlet structure of the washing machine.

9. A washing machine as claimed in any one of claims 1 to 4 wherein the normally closed washing holes are in the sidewall of the inner drum, and the diameter of each cross-section of the sidewall of the inner drum increases in the direction of the cross-section of the normally closed washing holes.

10. A washing machine as claimed in any one of claims 1 to 4, wherein the lowermost part of the water collection tray communicates with a drain of the washing machine;

preferably, the lowest part of the annular folded edge of the water collecting disc is communicated with the water drainage pipe, and the inner folded edge on the annular folded edge is arranged close to the opening of the inner barrel relative to the communication part of the water drainage pipe.