CN111945390A - a washing machine - Google Patents

Abstract

The invention relates to a washing machine. The inner drum of the washing machine is a closed container after the opening is fastened by a door cover and is sealed during washing. It is used to collect washing machine drainage; after the washing normally closed hole is opened, the inner cylinder is directly connected to the water collecting tray through the washing normally closed hole, and the washing machine drainage flowing out from the washing machine inner cylinder flows into the water collecting tray through the washing normally closed hole. By setting the inner tub as a sealed container after the door cover is closed and the washing machine performs washing, the clothes only come into contact with the washing water in the sealed inner tub during the washing process, and the washing water between the inner and outer tubs is prevented from flowing into the inner tub and contaminating the clothes. Occurs, greatly improving the washing cleanliness of the washing machine.

Description

a washing machine

technical field

The invention belongs to the technical field of washing machines, and in particular relates to a washing machine with only a rotatable inner tub that can hold water.

Background technique

In the prior art, a drum washing machine generally includes an inner tub and an outer tub that are fitted with each other, the outer tub is sealed for holding water, the inner tub is used for storing clothes, and the inner tub is rotated to beat and wash the clothes; A dehydration hole is provided, so that the water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak the clothes in the inner cylinder, the water in the inner cylinder flows out to the outer cylinder through the dehydration hole, and the moisture on the clothes in the inner cylinder is dehydrated when the inner cylinder rotates at a high speed. The holes are discharged to the outer tub to achieve the purpose of washing clothes.

However, since the inner cylinder and the outer cylinder are fitted with each other, dirt is easily accumulated between the inner and outer cylinders during the use of the washing machine; at the same time, since the inner and outer cylinders are fitted with each other, the user cannot clean the outer wall of the inner cylinder and the inner wall of the outer cylinder, which increases the bacteria inside the washing machine. , reducing the washing efficiency of the washing machine and the cleanliness of the clothes after washing.

At the same time, in the above-mentioned existing washing machine, since the inner drum is covered with an outer drum, the washing process of the washing machine is to beat and wash the clothes through the rotation of the inner drum, so that the washing capacity of the washing machine is based on the inner drum, so that the inner space of the washing machine is used. Low, it is impossible to expand the washing capacity of the washing machine on the existing basis.

In view of this, how to set up a washing machine to integrate the inner and outer cylinders, so that the inner cylinder can be set as a sealed container, which can not only hold water and clothes, but also rotate and beat the clothes for washing; at the same time, because the washing machine does not have an outer cylinder , or the outer cylinder is integrated with the washing machine shell, and the inner cylinder of the washing machine can be expanded to expand the washing capacity of the washing machine, which has become a research and development hotspot.

However, since the inner tub is not only used to hold washing water, but also rotates to beat and wash the clothes in the tub, so how to set up a dehydration structure and a drainage structure suitable for the above washing machine has become an urgent problem to be solved.

In view of the above technical defects, the present application is hereby made.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a washing machine in order to overcome the above-mentioned defects of the prior art, so that when the washing machine is in a draining or dehydrating process, the inner cylinder is in a high-speed rotation state, so that the washing normally closed holes provided on the inner cylinder are subjected to centrifugal force. It is opened to solve the problem of washing water draining out of the inner tub.

In order to solve the technical problem and achieve the technical effect, the basic design idea of the technical solution adopted in the present invention is:

A washing machine, the inner tub of the washing machine is a closed container after the opening is buckled by a door cover, and the washing machine is closed at the bottom of the inner tub. Drainage; after the washing normally closed hole is opened, the inner cylinder is connected with the water collecting tray through the washing normally closed hole, and the washing machine drainage flowing out from the inner cylinder of the washing machine directly flows into the water collecting tray through the washing normally closed hole.

Further, the inner cylinder is directly communicated with the water collecting tray through the washing normally closed hole.

Further, the washing normally closed pores are located on the outer periphery of the bottom of the inner cylinder.

Furthermore, the cross-sectional diameter of the whole, or a plurality of parts, or a single part of the inner cylinder side wall is arranged to increase toward the inner cylinder bottom direction.

Further, the water collecting tray includes a disc-shaped structure covering the bottom of the inner cylinder, and there is a gap between the bottom of the inner cylinder and the disc-shaped structure through which the water flow passes;

Further, the annular folded edge of the water collecting tray is provided with an inner flanging edge that is bent and extended in the direction of the axis of the inner cylinder, and the end of the inner flanging edge is arranged close to or in contact with the outer wall of the inner cylinder; The folded edge is away from one end of the disc-shaped structure of the water collecting tray; preferably, a ring of dynamic seal is provided between the inner flange and the outer wall of the inner cylinder.

Further, a ring of dynamic seals is provided between the annular folded edge and the outer wall of the inner cylinder, so as to seal the joint between the water collecting tray and the inner cylinder.

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

Preferably, the normally closed washing hole includes a hole provided on the inner cylinder wall, and a sealing valve structure is installed at the hole; the sealing valve structure includes a valve core, which is movable to seal or open the hole; a centrifugal device is connected to the valve core , when the inner cylinder rotates at a high speed, the valve core is pulled to open the hole by centrifugal force; the elastic piece is connected with the valve core, and when the inner cylinder rotates at a low speed, it overcomes the centrifugal force and pushes the valve core to close the hole.

Further, the lowest part of the water collecting pan is communicated with the drain pipe of the washing machine; preferably, the lowest part of the annular folded edge of the water collecting pan is communicated with the drainage pipe, and the inner folded edge on the annular folded edge is relatively close to the opening of the inner cylinder relative to the communicating part of the drainage pipe. set up.

The present invention can solve the above-mentioned technical problems, and another implementation manner to achieve the above-mentioned purpose of the invention is as follows:

A washing machine, the inner drum of the washing machine is a container whose opening is fastened by a door cover and is sealed during washing, the opening side of the inner drum is provided with at least one washing normally closed hole, and the water collecting tray is installed outside the opening side of the inner drum and is used for washing. The washing machine drain is collected. After the washing normally closed hole is opened, the inner cylinder is directly connected to the water collecting tray through the washing normally closed hole.

Further, the water collecting tray includes an annular structure covering the opening of the inner cylinder, and there is a gap between the opening side of the inner cylinder and the annular structure through which the water flow passes; the inner circumference of the annular structure is in sealing contact with the opening of the inner cylinder, and the outer circumference of the annular structure is provided with An annular hem extending towards the other end of the inner barrel.

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

By arranging a water collecting tray on the washing machine, all the drainage from the washing normally closed holes in the inner drum can be collected into the water collecting tray, and the purpose of smooth discharge of the water when the washing normally closed holes are opened by centrifugal force is realized.

By directly connecting the washing normally closed hole provided on the drum with the water collecting pan, the purpose of smoothly flowing the drainage from the inner drum into the water collecting pan is realized, thereby avoiding the effect of overflowing of the washing drainage.

By setting the inner flange on the open side of the water collecting tray, the water flow into the water collecting tray can be blocked, thereby effectively avoiding the leakage of drainage; The chamber enclosed by the water collecting tray is directly constituted as a sealed chamber, which directly prevents the occurrence of water leakage.

By setting the side wall of the inner cylinder into a cone or rhombus with the diameter of the cylinder gradually increasing towards the washing normally closed hole, it is ensured that the washing water in the inner cylinder converges to the washing normally closed hole under the action of centrifugal force, thereby realizing the washing water in the inner cylinder. All efflux effects.

At the same time, the invention has simple structure and remarkable effect, and is suitable for popularization and use.

In order to make the design concept of the technical solutions of the present invention clearer and facilitate further understanding of the beneficial effects brought about by them, some specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

1 to 13 are schematic structural diagrams of washing machines in different embodiments of the present invention;

Fig. 14 is an enlarged schematic view of the washing normally closed pores of Fig. 2 in an embodiment of the present invention.

Labels in the figure: 1. Inner cylinder, 2. Shell, 3. Inner cylinder support, 4. Door cover, 5. Drive motor, 6. Washing normally closed hole, 7. Drain pan, 8. Lifting ribs, 9 , sealing valve, 10, water guide channel, 11, drainage pipe, 12, drainage device, 13, disc structure, 14, annular fold, 15, inner flange, 16, outer flange, 17, dynamic seal, 18 , pulley, 19, belt, 20, motor, 21 inner cylinder shaft, 101, inner cylinder cylinder mouth, 102, inner cylinder bottom, 103, inner cylinder side wall.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purposes, 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 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 terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 to FIG. 13 , a washing machine is introduced in the embodiment of the present invention. The washing machine includes a housing 2, and an inner tub 1 is arranged in the housing 2. The axis of the inner tub 1 extends horizontally or gradually slopes downward from front to back. The front end of the inner cylinder 1 is an inner cylinder opening 101 with an opening, the rear end is an inner cylinder bottom 102 which is sealed, and the inner cylinder side wall 103 connects the inner cylinder opening 101 with the inner cylinder bottom 102 to form the inner cylinder 1; 1. There are no through holes on the wall of the cylinder, so that the interior of the inner cylinder 1 constitutes a sealed container with only the front opening. At the same time, a door cover 4 that can be opened outwards is installed at the front end of the washing machine shell 2 to close the inner cylinder opening 101 after the door cover 4 is closed, and the purpose of putting clothes into the inner cylinder 1 from the inner cylinder opening 101 after opening the door cover 4 . The rear end of the inner tube 1 is installed in the washing machine shell 2 through the inner tube support 3, the inner tube support 3 is coaxially arranged with the rear end of the inner tube 1, and the upper and lower ends of the inner tube support 3 face the inner tube respectively. 1. The front end of the barrel is bent in the direction of the mouth, and the bent portion extends at least to the middle of the inner barrel 1. The upper and lower bent portions are respectively connected with the washing machine shell 2 through the shock-absorbing suspension spring and the shock-absorbing support rod, so as to realize that the inner barrel support 3 can vibrate The purpose of being installed in the washing machine shell 2; at the same time, the center of the inner cylinder bottom 102 is coaxially arranged with the motor shaft of the washing machine driving motor 5 to drive the inner cylinder 1 to rotate, and the inner cylinder 1 and the driving motor 5 are fixedly installed in the inner cylinder. on the support 3. Preferably, the inner cylinder bottom 102 and the driving motor 5 are respectively disposed on both sides of the inner cylinder supporting member 3, the driving motor 5 is fixedly connected to the inner cylinder supporting member 3, and the motor shaft of the driving motor 5 passes through the inner cylinder supporting member through the bearing. 3 and 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 as to realize that the inner cylinder 1 and the driving motor 5 are installed on the inner cylinder support 3, and make the inner cylinder 1 can be rotated under the action of the driving motor 5 alone to wash the inner clothes. Preferably, the motor shaft of the driving motor 5 directly constitutes the inner cylinder shaft 21 , and the inner cylinder shaft 21 is coaxially and fixedly connected to the inner cylinder bottom 102 of the inner cylinder 1 .

In addition, the washing machine in the embodiment of the present invention can be any washing machine in the prior art with the door cover closing the inner cylinder opening and the inner cylinder forming a sealed container. The water flow detached from the clothes in the inner tub is smoothly discharged out of the inner tub, thereby achieving the purpose of normally performing the dehydration procedure for the non-porous inner tub washing machine. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure in the drawings. For example, as shown in FIG. 8 , an existing ordinary washing machine can be used, and the inner tub 1 of the washing machine only needs to be set without dehydration holes and door covers. 4. A washing machine in which a sealed container is formed after closing the opening 101 of the inner cylinder.

At the same time, by setting the inner cylinder to form a sealed container after the door cover is fastened and the washing machine is washing, the clothes are only in contact with the washing water in the sealed inner cylinder during the washing process, and the washing water between the inner and outer cylinders is prevented from flowing into the inner cylinder and contaminating the clothes. The occurrence of the washing machine greatly improves the washing cleanliness of the washing machine, and avoids the occurrence of incomplete washing of the clothes caused by the washing water between the inner and outer drums.

In the embodiment of the present invention, in order to discharge the water after the clothes in the inner tub 1 of the washing machine are detached, and to realize the normal washing by sealing the inner tub 1 with water during the working process of the washing machine, the following settings are performed:

A washing normally closed hole 6 is arranged on the inner cylinder, so that during the normal washing and rinsing process of the inner cylinder, when the rotation speed of the inner cylinder is lower than the set value, the washing normally closed hole 6 is closed, so that the inner cylinder directly constitutes a container for washing and rinsing water. The washing and rinsing water retained in the inner drum is used to wash or rinse the clothes; during the dehydration and drainage process of the inner drum, when the rotation speed of the inner drum is higher than the set value, the washing normally closed hole 6 is opened, Make the water in the inner cylinder flow out directly through the washing normally closed hole 6 .

In the embodiment of the present invention, a water collecting tray 7 is provided outside the inner cylinder 1 of the washing machine, and the water collecting tray 7 may be directly formed by the inner cylinder support member 3, or may be an independent member installed on the inner cylinder support member 3, It may also be an independent member provided independently of the inner cylinder support member 3 . The water collecting pan 7 constitutes a chamber for draining water flowing out of the inner cylinder, and connects the water collecting pan 7 with the washing machine drain pipe 11, so that the drain water flowing out from the washing normally closed hole 6 is collected by the water collecting pan 7 and then flows into the washing machine. Drain pipe 11, and then drain the washing machine.

Example 1

As shown in FIG. 1 , in this embodiment, a water collecting tray 7 is provided outside the inner tub 1 of the washing machine, and the water collecting tray 7 is provided at one end of the inner tub 1 ;

In this embodiment, the water collecting pan 7 includes a disc-shaped structure 13 covering the end of the inner cylinder. The outer circumference of the disc-shaped structure 13 is beyond the outer circumference of the inner cylinder bottom 102; The edge 14, the annular folded edge 14 at least partially overlaps with the inner cylinder side wall 103, and there is a gap between the inner circumference of the annular folded edge 14 and the outer wall surface of the inner cylinder side wall 103. Therefore, the disc-shaped structure 13 of the water collecting tray 7 and the annular folded edge 14 form a chamber which is open to the inner cylinder 1 and accommodates the water flowing out of the inner cylinder 1 from the washing normally closed hole 6 .

In this embodiment, the water collecting pan 7 directly constitutes the inner cylinder support 3, and the upper part of the water collecting pan 7 is connected to the washing machine casing 2 through the shock-absorbing suspension spring and the lower part respectively through the shock-absorbing support part, so as to connect the water collecting pan 7 to the washing machine casing 2. 7 is installed in the washing machine casing 2 which can generate vibration displacement. In this embodiment, the water collecting pan 7 is coaxially installed on the inner cylinder bottom 102 , the drive motor 5 is installed on the side of the water collecting pan 7 away from the inner cylinder, the inner cylindrical shaft 21 passes through the water collecting pan 7 , and one end is respectively connected to the inner cylinder bottom 102 . Coaxially connected, the other end is directly connected to the drive motor 5, or connected to the drive motor 5 via a deceleration 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., can also be installed in the inner drum 1; the drive shaft of the auxiliary stirring device passes through the bottom 102 of the inner drum, and then passes through the water collecting tray After 7, it is directly connected to the motor, or to the drive motor 5 via a deceleration clutch.

In this embodiment, the bottom of the water collecting pan 7 is communicated with the drain pipe 11, and the drain pipe 11 is provided with a control device 12 for controlling the water flow in the pipeline; The drain pump used can also be a drain valve for draining the washing machine under the drain. Preferably, the lowest position of the annular folded edge 14 of the water collecting pan 7 is communicated with the drain pipe 11 to ensure that all the water flowing into the water collecting pan 7 can flow out from the drain pipe 11 .

At the same time, there is a certain gap between the inner cylinder bottom 102 and the disk-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 downward along the above-mentioned gap, thereby ensuring smooth drainage.

Embodiment 2

As shown in FIG. 1 , in this embodiment, the inner tub 1 of the washing machine is provided with a water guide channel 10 , the water inlet end of the water guide channel 10 is connected with the washing normally closed hole 6 , and the water outlet end is connected with the water collecting tray 7 . Through the water outlet, the drainage from the inner tub of the washing machine flows into the water collecting tray 7 through the water guiding channel 10 .

In this embodiment, the washing normally closed hole 6 is arranged on the side wall 103 of the inner cylinder; The water guiding channel 10 extends parallel to the axis of the inner cylinder 1 , one end of the water guiding channel 10 close to the inner cylinder mouth 101 is sealed, and one end of the water guiding channel 10 close to the inner cylinder bottom 102 side is open. And the end of the water guide channel 10 close to the side of the inner cylinder bottom 102 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 guiding channel 10 extends into the water collecting tray 7, so that the The drain water flowing out of the water guiding channel 10 can all flow into the water collecting pan 7 .

In this embodiment, the axis of the water outlet end of the water guide channel 10 is arranged in parallel with the axis of the inner cylinder 1, so that the water flow out of the water guide channel 10 can be sprayed in the horizontal direction, so that the spray water flow into the water collecting tray 7 is affected by the disk-shaped water flow. The structure 14 is guided to flow downward until it flows into the drain pipe 11 at the lowermost end of the water collecting pan 7 .

As shown in FIG. 2 , in this embodiment, the water guiding channel 10 can be provided on the outer wall of the inner cylinder side wall 103 , and the water guiding channel 10 is arranged protruding from the outer wall of the inner cylinder side wall 103 , so that the water guiding channel 10 is located inside outside of the barrel. The water guiding channel 10 extends along the construction line of the inner cylinder side wall 103 , and the water guiding channel 10 is sealed at the side close to the cylinder mouth 101 of the inner cylinder, and open at the side close to the bottom 102 of the inner cylinder. The inner cylinder side wall 103 is provided with a washing normally closed hole 6 that communicates with the water guide channel 10 , and the washing normally closed hole 6 is located in the middle of the inner cylinder 1 , or close to the side of the inner cylinder cylinder mouth 101 . There is a certain gap between the side of the water guide channel 10 away from the inner cylinder 1 and the annular folded edge 14 of the water collecting tray 7 to ensure that the water guiding channel 10 and the water collecting tray 7 will not interfere with each other during the rotation of the inner cylinder 1. .

As shown in FIG. 8 , in this embodiment, the water guiding channel 10 can also be arranged on the inner wall of the inner cylinder side wall 103 , and the water guiding channel 10 is arranged protruding from the inner wall of the inner cylinder side wall 103 , so that the water guiding channel 10 is located in the inner wall of the inner cylinder side wall 103 . Inside the inner cylinder 1. The water guiding channel 10 extends along the construction line of the inner cylinder side wall 103 . The inner cylinder side wall 103 is provided with a washing normally closed hole 6 that communicates with the water guide channel 10 , and the washing normally closed hole 6 is located in the middle of the inner cylinder 1 , or close to the side of the inner cylinder cylinder mouth 101 . The water outlet of the water guide channel 10 is located at the outer circumference of the inner cylinder bottom 102 and is arranged opposite to the disc-shaped structure of the water collecting tray 7 to ensure that the washing drainage sprayed from the water outlet is blocked by the disc-shaped structure and flows downward.

In this embodiment, the wall thickness of the inner cylinder side wall 103 can also be used to set the water guide channel 10 inside the inner cylinder side wall 103 , and it can also be realized that the water at the normally closed hole 6 of the inner cylinder washing can be drained along the water guide channel 10 . The purpose of flowing into the water collecting tray 7.

Embodiment 3

As shown in FIG. 7 , in this embodiment, the water outlet end of the water guiding channel 10 is provided with an outer flange 16 radially protruding and extending toward the outer circumference of the inner cylinder 1, so that the water jet flowing out of the water guiding channel 10 can be turned outward. The edge 16 is blocked and flows downward; at the same time, since the outer flange 16 extends a certain length in the vertical direction, the outer flange 16 can block the water flow flowing into the water collecting tray 7, thereby avoiding the water flow at the lower end of the water collecting tray 7. It flows out from the opening of the drip tray 7 .

In this embodiment, the water guiding channel 10 is provided on the outer wall of the inner cylinder side wall 103 , and the water outlet end of the water guiding channel 10 is provided with a ring of outer flanges 16 extending along the radial direction of the inner cylinder 1 and away from the axis of the inner cylinder. Preferably, the water outlet end of the water guide channel 10 is provided with a water outlet through which the water flow flows out, and the outer flange 16 extends to the outside of the water guide channel along the radial direction of the water outlet. The extended end of the outer flange 16 is in contact with the inner wall of the annular folded edge 14 of the water collecting tray 7, or is set close to it, so as to ensure that the water flow into the water collecting tray 7 is blocked by the outer flange and will not flow from the open side of the water collecting tray 7. outflow.

Embodiment 4

As shown in FIGS. 5 and 6 , in this embodiment, the side of the water guide channel 10 away from the axis of the inner cylinder 1 is an inclined surface that gradually moves away from the axis of the inner cylinder from the normally closed hole 6 to the water collecting tray 7 , so as to It is ensured that the water flowing into the water guiding channel 10 flows into the water collecting tray 7 along the inclined plane. By setting the water guide channel as a slope inclined towards the direction of the water collecting tray, the water flowing into the water guiding channel is affected by the centrifugal force of the rotation of the inner cylinder and smoothly flows into the water collecting tray along the water guiding channel, thereby improving the drainage efficiency. Purpose.

In this embodiment, the water guiding channel 10 is disposed at the outer wall of the inner cylinder side wall 103 . An extension rib extends outward from the outer wall of the inner cylinder side wall 103 , and the extension rib extends along the parallel direction of the axis of the inner cylinder 1 . It is sealingly connected to the inner cylinder side wall 103 and is spaced between one end near the inner cylinder bottom 102 and the inner cylinder side wall 103 , so that the extending rib and the inner cylinder side wall 103 together form the water guiding channel 10 .

In this embodiment, the inner wall surface of the water guide channel 10 on the side away from the axis of the inner cylinder 1 is an inclined surface that slopes downward gradually from the inner cylinder opening 101 to the direction of the inner cylinder bottom 102 to guide the washing water flowing into the water guide channel 10 Under the action of centrifugal force, it flows along the inclined plane at the water outlet end of the water guide channel 10 .

Similarly, when the water guiding channel 10 is located at the inner wall surface of the inner cylinder side wall 103, the inner wall of the inner cylinder side wall 103 has extension ribs extending inward, and the extension ribs extend in the parallel direction of the axis of the inner cylinder 1. The sides are sealed and connected with the inner cylinder side wall 103 respectively, one end of the extension rib close to the inner cylinder cylinder mouth 101 is sealed and connected with the inner cylinder side wall 103, and one end close to the inner cylinder bottom 102 and the inner cylinder side wall 103 are spaced apart, so that the extension rib is connected to the inner cylinder side wall 103. The side walls 103 of the inner cylinder together form the water guiding channel 10 . And at the bottom 102 of the inner cylinder, through holes are arranged opposite to the above-mentioned intervals, so as to ensure that the washing water in the water guiding channel 10 can be discharged smoothly.

In this embodiment, the side away from the axis of the inner cylinder 1 can be set as a part, or a plurality of parts, or all of which are inclined surfaces gradually away from the axis of the inner cylinder from the washing normally closed hole 6 to the water collecting pan 7 direction. The purpose of smoothly discharging the water flowing into the water guiding channel can be achieved.

Embodiment 5

As shown in FIGS. 12 and 13 , in this embodiment, the washing normally closed hole 6 is directly arranged at the bottom 102 of the inner cylinder, and the water outlet end of the washing normally closed hole 6 is directly communicated with the water collecting tray 7 so that the drainage can flow directly into Drain pan 7.

In this embodiment, the washing normally closed hole 6 is located at the outer circumference of the inner cylinder bottom 102 , and the washing normally closed hole 6 is arranged toward the disc-shaped structure 13 of the water collecting tray 7 . Preferably, the axis of the washing normally closed hole 6 is the same as the axis of the inner cylinder 1 . They are arranged in parallel, so that the washing water flowing out of the washing normally closed holes 6 directly sprays the disc-shaped structure 13 of the phase collecting tray 7 and flows down along the disc-shaped structure 13 to flow through the drain pipe 11 for external discharge.

In this embodiment, the diameter of the inner cylinder side wall 103 of the washing normally closed hole 6 gradually increases from both ends to the direction of the washing normally closed hole 6, so that the washing water contained in the inner cylinder 1 is affected by the centrifugal force during the rotation of the inner cylinder, Converging to the section where the washing normally closed hole 6 is located, thereby ensuring the purpose that all the washing water in the inner tub 1 can be discharged from the washing normally closed hole 6 . Preferably, the washing normally closed hole 6 is set at the bottom 102 of the inner cylinder, and the side wall 103 of the inner cylinder gradually increases in diameter from the opening 101 of the inner cylinder to the direction of the bottom 102 of the inner cylinder, so that the inner cylinder 1 guides the inner cylinder 1 during the rotation of the inner cylinder 1. The washing water converges and flows along the inner cylinder side wall 103 toward the inner cylinder bottom 102 , thereby ensuring that all the washing water in the inner cylinder 1 can be discharged from the washing normally closed hole 6 .

Similarly, in this embodiment, the washing normally closed hole 6 can also be arranged on the inner cylinder opening 101 side of the inner cylinder 1, the washing normally closed hole 6 is arranged on the outer periphery of the inner cylinder opening 101 side, and the inner cylinder 1 is arranged In order to gradually increase the direct conical cylinder from the inner cylinder bottom 102 to the inner cylinder opening 101 side; and the water collecting tray 7 is installed on the inner cylinder opening 101 side, which can also achieve the purpose of smoothly draining the washing water in the inner cylinder.

Embodiment 6

As shown in FIG. 10 and FIG. 11 , in this embodiment, the washing normally closed hole 6 is directly arranged on the side wall 103 of the inner cylinder, close to the bottom 102 of the inner cylinder, and the water outlet end of the washing normally closed hole 6 is directly connected to the water collecting tray 7 connected, so that the drainage can flow directly into the water collecting pan 7 .

In this embodiment, the washing normally closed hole 6 is arranged on the side of the inner cylinder side wall 103 close to the inner cylinder bottom 102, the water collecting tray 7 is arranged at the inner cylinder bottom 102, and the axis of the washing normally closed hole 6 extends along the radial direction of the inner cylinder , the washing normally closed hole 6 and the annular folded edge 14 of the water collecting tray 7 are arranged to overlap each other in the horizontal direction, so as to ensure that the water flow out of the washing normally closed hole 6 can directly flow into the water collecting tray 7 .

In the present embodiment, the diameter of the inner cylinder side wall 103 gradually increases from both ends to the direction of the washing normally closed hole 6, so that the washing water contained in the inner cylinder 1 is affected by the centrifugal force during the rotation of the inner cylinder, and moves toward the washing normally closed hole 6. The cross section where 6 is located is convergent, thereby ensuring the purpose that all the washing water in the inner tub 1 can be discharged from the washing normally closed hole 6 . Preferably, the washing normally closed hole 6 is set on the inner cylinder side wall 103 close to the inner cylinder bottom 102, and the inner cylinder side wall 103 gradually increases in diameter from the inner cylinder opening 101 to the inner cylinder bottom 102, so that the inner cylinder 1 rotates during the rotation process. The middle guides the washing water in the inner tub 1 to converge and flow in the direction of the inner tub bottom 102 along the inner tub side wall 103 , thereby ensuring that all the washing water in the inner tub 1 can be discharged from the washing normally closed hole 6 .

Similarly, in this embodiment, the washing normally closed hole 6 can also be arranged on the inner cylinder opening 101 side of the inner cylinder, and the washing normally closed hole 6 is arranged on the inner cylinder side wall 103 close to the inner cylinder opening 101 side, and the The inner cylinder 1 is set as a direct conical cylinder that gradually increases from the inner cylinder bottom 102 to the inner cylinder opening 101 side; and the water collecting tray 7 is installed on the inner cylinder opening 101 side, which can also realize the washing water in the inner cylinder 1 smoothly. purpose of expulsion.

Of course, in this embodiment, the washing normally closed hole 6 can also be arranged at any position of the inner cylinder side wall 103, and the water collecting tray 7 can be correspondingly arranged at the vertical section corresponding to the washing normally closed hole 6, and By setting the inner cylinder 1 as a diamond-shaped cylinder whose diameter gradually increases from both ends to the direction of the washing normally closed hole 6, the purpose of smoothly discharging the washing water in the inner cylinder can still be achieved.

Embodiment 7

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 circle of inner folded edges 15 extending in the axial direction of the inner cylinder 1 . The outer walls of the water collecting pan 7 are in contact with or are set close to each other, so as to ensure the airtightness of the chamber enclosed by the water collecting pan 7, thereby avoiding the problem that the water flowing into the water collecting pan 7 flows out of the opening.

In this embodiment, the water guiding channel 10 can be arranged on the outer wall surface of the inner cylinder side wall 103, and the water guiding channel 10 is at least partially arranged to overlap the annular folded edge 14 of the water collecting tray 7 in the vertical direction, so that the water guiding channel 10 is vertically overlapped. The water outlet end of the channel 10 extends into the water collecting tray 7 . The annular folded edge 14 of the water collecting tray 7 is provided with an inner folded edge extending in the radial direction of the inner tube 1 and in the axial direction of the inner tube 1 on the side close to the inner cylinder opening 101 . One side of the drum 1 is arranged close to or in contact with each other, so as to ensure that the water flowing into the water collecting pan 7 will not flow out from the side of the water collecting pan 7 close to the opening 101 of the inner drum.

Of course, in this embodiment, the water guide channel 10 can also be provided at the inner side of the inner cylinder side wall 103 or inside the inner cylinder side wall 103, and the annular folded edge 14 of the water collecting tray 7 can be set at the end near the inner cylinder opening 101 side. The flange 15, the extended end of the inner flange 15 is close to or in contact with the outer wall of the inner cylinder side wall 103, which can also ensure that the water flowing into the water collecting tray 7 will not approach the opening of the inner cylinder from the water collecting tray 7. side flow.

As shown in FIG. 8 , in order to further improve the sealing performance of the water collecting tray 7 , a dynamic seal 17 is provided between the inner flange 15 and the inner cylinder side wall 103 to seal the inner flange 15 with the inner cylinder side wall 103 . The junction is sealed to realize the sealing treatment of the chamber enclosed by the water collecting pan 7, which further ensures that the water flowing into the water collecting pan 7 will not leak.

Of course, in order to achieve the tightness of the water collecting tray 7 of the washing machine, the following settings can also be made: a ring of dynamic seals 17 is provided between the annular folded edge 14 of the water collecting tray 7 and the outer wall of the inner cylinder 1, so that the dynamic seal 17 replaces the inner flange. 15. Directly use the dynamic seal 17 to seal the joint between the water collecting tray 7 and the inner cylinder 1, which can also ensure that the water flowing into the water collecting tray 7 will not leak.

Embodiment 8

As shown in FIGS. 1 to 6 , in this embodiment, a drive motor 5 composed of a direct drive motor is installed on the water collecting tray 7 ; the direct drive motor is coaxially arranged with the inner cylinder 1 . The direct drive motor includes a coaxially arranged rotor and a stator, both of which are arranged coaxially with the inner cylinder 1 to ensure that the center of gravity of the direct drive motor is on the axis of the inner cylinder 1, thereby ensuring the stability of the washing machine during operation.

Alternatively, a motor 20 connected to a transmission device is installed on the water collecting tray 7, and the transmission device may be any existing transmission structure such as a pulley, a gear set, and the like. In this embodiment, as shown in FIGS. 7 to 9 , a pulley 18 is installed on the side of the water collecting tray 7 away from the bottom 102 of the inner cylinder. 21 are connected, and the inner cylinder shaft 21 is connected coaxially with the inner cylinder bottom 102 after passing through the water collecting plate 7; the water collecting plate 7 is also installed with a motor 20, and a tensioned belt 19 is provided between the motor shaft and the pulley 18, So that the power output by the motor is transmitted to the pulley 18 through the belt 19, and the pulley 18 and the inner cylinder 1 are driven to rotate.

Embodiment 9

In the embodiment of the present invention, the washing normally closed hole includes: a hole, which is provided on the inner cylinder, and is arranged through and through for the water flow to pass through; a centrifugal valve, which is installed on the inner cylinder and corresponding to the hole, and the valve core of the centrifugal valve is opposite to The hole is blocked, and the valve core of the centrifugal valve is opened by centrifugal force after the rotation speed of the inner cylinder reaches the set value. Preferably, the centrifugal valve further includes an elastic member, the elastic member is clamped between the valve core and the inner cylinder, so as to provide a restoring force to the valve core and push the valve core to block the hole. The above-mentioned centrifugal valve can be any valve body structure in the prior art that can realize the opening of the hole under the action of centrifugal force.

As shown in FIG. 14 , in this embodiment, the normally closed washing hole 6 can be set as follows: a hole 60 is provided on the inner cylinder side wall 103 , and a centrifugal valve is installed on the inner side of the inner cylinder side wall 103 . The centrifugal valve includes a bracket 61 installed on the inner side of the inner cylinder 1, the bracket 61 is provided with a hinged counterweight 62, the hole 60 is provided with a valve plug column 64 that can move up and down, and the valve plug column 64 is in phase with the counterweight block 62. Hinged, a return spring 63 is added between the valve plug column 64 and the inner cylinder side wall 103 to drive the counterweight 62 to move away from the axis of the inner cylinder 1 under the action of the centrifugal force of the inner cylinder 1, and then pull the valve through the hinge. The plunger 64 moves in the axial direction of the inner cylinder 1 to open the hole 60 .

Preferably, a lifting rib 8 protruding toward the center of the inner cylinder is installed on the inner side of the inner cylinder side wall 103 . The hole 60 of the washing normally closed hole 6 is arranged on the inner cylinder side wall 103 corresponding to the lifting rib 8 , and connects the hollow inside of the lifting rib 8 with the outside of the inner cylinder 1 . The centrifugal valve is arranged in the inner hollow part of the lifting rib 8 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (10)

1. A washing machine is characterized in that: the inner drum of the washing machine is a closed container after the opening is buckled by the door cover and during washing, the inner drum bottom is provided with at least one washing normally closed hole, and the water collecting tray is installed in the inner drum bottom. Externally, it is used to collect washing machine drainage; after the washing normally closed hole is opened, the inner cylinder is connected to the water collecting tray through the washing normally closed hole, and the washing machine drainage flowing out from the washing machine inner cylinder flows into the water collecting tray through the washing normally closed hole. 2 . The washing machine according to claim 1 , wherein the inner tub is directly communicated with the water collecting tray through the washing normally closed hole. 3 . 3. A washing machine according to claim 1, wherein the washing normally closed hole is located at the outer periphery of the bottom of the inner cylinder; Preferably, the cross-sectional diameter of the whole, or a plurality of parts, or a single part of the inner cylinder side wall is arranged to increase toward the direction of the inner cylinder bottom. 4. The washing machine according to any one of claims 1 to 3, wherein the water collecting tray comprises a disc-shaped structure covering the bottom of the inner cylinder, and there is a gap between the bottom of the inner cylinder and the disc-shaped structure through which the water flow passes ; The outer periphery of the disc-shaped structure is provided with an annular fold extending toward the other end of the inner cylinder. 5 . The washing machine according to claim 4 , wherein the annular folded edge of the water collecting tray is provided with an inner folded edge that is bent and extended in the axial direction of the inner cylinder, and the ends of the inner folded edge are close to or fit together. 6 . Set in contact with the outer wall of the inner cylinder; Preferably, the inner flanging edge is arranged at one end of the annular folded edge away from the disc-shaped structure of the water collecting tray; Preferably, a dynamic seal is provided between the inner flange and the outer wall of the inner cylinder. 6 . The washing machine according to claim 4 , wherein a dynamic seal is provided between the annular folded edge and the outer wall of the inner cylinder, so as to seal the joint between the water collecting tray and the inner cylinder. 7 . 7. A washing machine according to any one of claims 1 to 3, wherein when the washing machine is in a washing state, the washing normally closed hole is in a closed state; when the washing machine is in a dehydrating state, the washing normally closed hole is in an open state ; Preferably, the washing normally closed hole includes a hole provided on the inner cylinder wall, and a sealing valve structure is installed at the hole; The sealing valve structure includes a valve core, which is movable to seal or open the hole; The centrifugal device is connected with the valve core, when the inner cylinder rotates at a high speed, the valve core is pulled to open the hole by centrifugal force; The elastic piece is connected with the valve core, and when the inner cylinder rotates at a low speed, it overcomes the centrifugal force and pushes the valve core to close the hole. 8. The washing machine according to any one of claims 1 to 3, wherein the lowest part of the water collecting tray is communicated with the washing machine drain pipe; Preferably, the lowermost part of the annular folded edge of the water collecting pan is communicated with the drain pipe, and the inner folded edge on the annular folded edge is arranged close to the opening of the inner cylinder relative to the communication part of the drain pipe. 9. A washing machine, characterized in that: the inner drum of the washing machine is a container that is closed during washing after the opening is buckled by a door cover, the opening side of the inner drum is provided with at least one washing normally closed hole, and the water collecting tray is installed in the opening of the inner drum The outside of the side is used to collect washing machine drainage. After the washing normally closed hole is opened, the inner cylinder is connected to the water collecting tray through the washing normally closed hole. 10 . The washing machine according to claim 9 , wherein the water collecting tray comprises an annular structure covering the opening of the inner drum, and the opening side of the inner drum and the annular structure are separated from the gap through which the water flow passes; The circumference is in sealing contact with the opening of the inner cylinder, and the outer circumference of the annular structure is provided with an annular fold extending toward the other end of the inner cylinder.

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