JP2022524546A - Inner tub of drum type washing machine and drum type washing machine - Google Patents

Abstract

It is an inner tub of a drum-type washing machine, and is installed in a storage space formed so as to be surrounded by a body wall and independently accommodating washing water, and a body wall of the inner tub (17). , At least one drainage port (39) configured to drain water from the inner tank (17), and the drainage port (39) installed on a physical wall in the outer peripheral region of the drainage port (39). Includes at least one sealed portion of a first sealed portion and a second sealed portion installed at the drain (39). The present application is installed in the inner tub (17) configured as a container for accommodating water when the washing machine executes a washing program, and the drain port (39) of the inner tub (17), and the drain port (39). ) Is also related to a drum type washing machine including a sealing component configured to fit the sealed portion in the inner tub (17) so as to seal or open.

Description

This application was filed with the China Bureau of Interest on March 13, 2019, claiming the priority of the Chinese patent application with application number 201910189908.4, the entire contents of which are incorporated herein by reference.

The present application relates to the technical field of a washing machine, and particularly to an inner tub of a drum type washing machine and a drum type washing machine.

As the most widely used household appliances in people's daily lives, washing machines have freed people from the trouble of washing and brought great convenience to them. However, the washing machine also has drawbacks such as time consuming and high water consumption. With the development of society, water resources are becoming more and more important as important natural resources, and people's awareness of water saving is also increasing, and it is especially important how to realize the water saving function of washing machines. ing.

In order to solve the water saving problem of the washing machine, for example, there is a Chinese patent application for the application number 2014102153436.3 and the title of the invention is "drum type washing machine", and the drum type washing machine according to this application is a housing. An inner tank and an outer tank are provided in the housing, a door seal is provided between the outer tank and the housing, the inner tank and the drive device are connected, and the inner tank is a non-perforated inner tank. The inner tank is a conical cylinder with a small bottom diameter and a large opening diameter, the opening of the inner tank is curved inward in an arc shape, and the door seal is provided with a water injection conduit. One end of the water injection conduit is connected to the washing water rapid heating device, the other end of the water injection conduit is inserted through the door seal to the inner tank, and the outer tank is provided with a drain port and a water pressure detection device. .. According to the above technical aspect, the inner tank according to the present invention is a non-perforated inner tank, water can be injected into the inner tank by a water injection conduit provided in the door seal, and drainage can be realized in the dehydration process by the shape of the inner tank itself. It can be seen that this prevents water from accumulating between the inner tub and the outer tub and saves the amount of washing water.

However, the present invention provides a drum-type washing machine having a non-perforated inner tank, and since it is necessary to soak clothes in a certain amount of washing water in order to wash clothes, no holes are required in order to realize the soaking effect. It is necessary to keep a certain amount of water in the inner tank, which increases the load on the motor and causes problems such as power consumption. Further, since the water injection method of the drum type washing machine disclosed by the present invention passes through the door seal and the role of the door seal is to seal the tub mouth of the outer tub of the washing machine, a water injection pipe is installed in the door seal. This is likely to affect the sealing effect of the door seal and is difficult to realize, and this application cannot realize the measurement of the water injection level inside the inner tank.

In addition, for a drum-type washing machine with a non-perforated inner tub, maintaining the sealing of the drainage port in the inner tub is the key point to realize anhydrousity between the inner tub and the outer tub, and it is a related technology. There is a plan to install a sealing part at the drainage port and seal the drainage port by the sealing contact between the movable part and the sealing part, but since the tank wall of the inner tank is mainly arcuate, the sealing part Is complicated to attach to the arc-shaped inner tank wall, it is difficult to maintain a stable state, the sealed part is easy to fall off, the drainage port cannot be sealed, and the phenomenon of water dripping or water leakage occurs.

The present application is an inner tub of a drum-type washing machine, which is installed in a storage space formed so as to be surrounded by a body wall and independently accommodating washing water, and the body wall of the inner tub. The drainage port includes a first sealing portion installed on a body wall in an outer peripheral region of the drainage port and the drainage port, including at least one drainage port configured to drain water from the inner tank. Provided is an inner tub of a drum-type washing machine, which includes at least one sealing portion with a second sealing portion installed in the mouth.

The present application is to be installed in any of the above inner tubs configured as a container for accommodating water when the washing machine executes a washing program and the drainage port of the inner tub to seal or open the drainage port. Also disclosed is a drum-type washing machine including a sealing component configured to fit the sealing portion in the inner tub.

It is a schematic diagram of the principle of the drum type washing machine in the Example of this application. It is a schematic diagram of the operation principle that the sealed drainage device in Example 1 and Example 2 of this application is attached to a drum type washing machine. It is a partially enlarged view of the sealed drainage device in FIG. FIG. 2 is a partially enlarged view of another embodiment of the sealed drainage device in FIG. 2. It is a development view of the sealed drainage apparatus of Example 1 and Example 2 of this application. It is a schematic diagram of the operation principle that the sealed drainage device in Example 3 of this application is attached to a drum type washing machine. FIG. 6 is a partially enlarged view of the sealed drainage device in FIG. FIG. 6 is a partially enlarged view of another embodiment of the sealed drainage device in FIG. It is an assembly drawing of the baffle of the sealed drainage device and the drum type washing machine in Example 4 of this application. It is a structural schematic diagram of the inner tub to be assembled with the sealed drainage device and the washing machine baffle of the drum type washing machine in Example 4 of this application. It is a schematic diagram of the operation principle that the sealed drainage device in Example 4 of this application is attached to a drum type washing machine. FIG. 5 is a schematic diagram of the operating principle of another embodiment in which the sealed drainage device according to the fourth embodiment of the present application is attached to a drum type washing machine. FIG. 11 is a partially enlarged view of the sealed drainage device of FIG. It is a schematic diagram of the operation principle that the sealed drainage device in Example 5 of this application is attached to a drum type washing machine. FIG. 14 is a partially enlarged view of the sealed drainage device of FIG. It is a structural schematic diagram of the sealed drainage device of Example 6 of this application. It is a partial structure schematic diagram of the inner tank which attaches the sealed drainage device in Example 6 of this application. It is a schematic diagram of the operation principle that the sealed drainage device in Example 6 of this application is attached to a drum type washing machine. It is a partially enlarged view of the sealed drainage device of FIG. FIG. 18 is a partially enlarged view of another embodiment of the sealed drainage device of FIG. It is a schematic diagram of the operation principle that the sealed drainage device in Example 7 of this application is attached to a drum type washing machine. It is a partially enlarged view of the sealed drainage device of FIG. 21. FIG. 21 is a partially enlarged view of another embodiment of the sealed drainage device of FIG. It is a schematic diagram of the operation principle that the sealed drainage device in Example 9 of this application is attached to a drum type washing machine. It is a partially enlarged view of the sealed drainage device of FIG. 24.

Hereinafter, the inner tub of the drum-type washing machine and the drum-type washing machine of the present application will be described in detail with reference to the drawings.

As shown in FIGS. 1 to 25, the present embodiment provides a drum-type washing machine having a front-opening structure of a non-perforated inner tub, has a simple structure, and has washing water between the inner tub and the outer tub. Alternatively, it is not necessary to inject rinse water, and therefore the amount of washing water in the washing machine can be reduced and water resources can be saved. Avoid the possibility of dirt getting between the inner and outer tubs, ensure the cleanliness and hygiene of the washing machine used by the user, and enhance the user experience.

The drum-type washing machine according to this embodiment has a housing 19 including a top cover 2, a front cover, a back cover, and a bottom plate. The bottom legs 9 are attached and fixed to the bottom of the bottom plate, and are configured to support the entire washing machine. The outer tank 18 is provided inside the housing 19, and the inner tank 17 is coaxially installed in the outer tank 18. The outer tank 18 is configured to collect the wastewater from the inner tank 17 and the wastewater from the high-speed centrifugal dehydration of the inner tank 17. A baffle 32 is installed on the inner wall of the inner tub 17, and when the inner tub 17 rotates, the clothes are washed by continuously lifting and dropping the clothes by the baffle. The inner tank 17 has a non-perforated structure. The outer tank 18 has a center mounting hole, and the bearing 12 is mounted and fixed to the center mounting hole. The inner tank shaft 13 closely connected to the inner tank 17 is connected to the drive motor 16 through the bearing 12. A tank opening is provided at the front of the inner tank 17, and an inner tank door 6 that can be opened and closed is attached to the tank opening, thereby realizing that the inner tank 17 has a sealed chamber structure.

An external door 5 that can be opened and closed is attached to the housing 19 according to this embodiment.

Example 1
As shown in FIGS. 1 to 5, the drum-type washing machine according to the present embodiment includes an inner tub 17 that independently stores washing water when washing clothes, and the inner tub 17 has a structure of a non-perforated inner tub. It is adopted, and the inside becomes a closed room with ventilation holes at the time of washing, and the washing machine is configured to be able to independently store washing water at the time of washing and rinsing, and between the inner tub 17 and the outer tub 18. There is no water, which realizes the purpose of saving water, avoids the formation of dirt between the inner tank 17 and the outer tank 18, keeps the tank wall clean, and enhances the user experience.

A drain port 39 is provided in the inner tub 17 of this drum-type washing machine, and drains from the drain port 39 in a drainage or dehydration process. This embodiment discloses a sealed drainage device suitable for the above drum type washing machine.
Centrifugal parts that are configured to move by centrifugal force due to the rotation of the inner tank 17,
Including a sealing component installed so as to seal the drain port 39,
The centrifugal component is connected to the sealing component, and the centrifugal motion of the centrifugal component drives the sealing component to open the drain port 39.

The sealed drainage device provided in this embodiment drives the centrifugal component by the centrifugal force generated by the rotation of the inner tank 17, and the centrifugal component drives the sealed component to open the drain port 39 to realize drainage. In principle, drainage can be realized and easily realized by using the operating characteristics of the drum-type washing machine and setting the rotation speed of the inner tub. Structurally, it is sealed by the centrifugal motion of the centrifugal parts. The parts are opened to realize drainage, and the structure is simple. Therefore, in the sealed drainage device according to the present application, for a drum-type washing machine having a non-perforated inner tank, the non-perforated inner tank independently stores water while maintaining the sealing of the drain port during washing and rinsing. By controlling the rotation speed of the inner tank 17 at the time of drainage and dehydration, centrifugal drainage is realized. This realizes the sealing and draining functions of a drum-type washing machine having a non-perforated inner tank.

As one embodiment of the present embodiment, both the centrifugal component and the sealing component can reciprocate along the radial direction of the inner tank 17, and the sealing component is in the same direction as the centrifugal motion of the centrifugal component or. Driven by centrifugal components in the opposite direction.

Considering that the equidirectional movement of the sealing component and the centrifugal component requires more installation members, the centrifugal component is provided along the radial direction of the inner tank 17 under the action of centrifugal force due to the rotation of the inner tank 17. The sealing component moves away from the central axis of the inner tank, and the sealing component moves toward the central axis of the inner tank 17 along the radial direction of the inner tank 17 under the drive of the centrifugal component, and the sealing component and the centrifugal component move. By moving the inner tank 17 toward each other along the radial direction, the total movement distance of both inner tanks 17 in the radial direction is reduced, and the installation space is also reduced.

The sealing component in the present embodiment includes a sealing member and an elastic member 43, and the elastic member 43 acts on the sealing member so as to hold the sealing member sealing and sealing the drain port 39. Then, the centrifugal component is connected to the sealing member, the centrifugal component moves centrifugally, and the sealing member is driven to move to open the drain port 39.

The elastic member 43 according to the present embodiment generates an elastic pretension in the sealing member so that the sealing member seals the drain port 39 and maintains the sealing of the inner tub 17 to accommodate the washing water.

In order to realize the sealing between the sealing component and the drain port, this embodiment can be realized by adopting the following embodiment.

Form 1, the sealing component is in direct sealing contact with the drain port 39 so as to seal the drain port 39, and the direct sealing contact between the sealing component and the drain port 39 is, for example, electromagnetic sealing, rigid sealing, or the like. be.

Form 2, the cost is low by performing sealing contact between the sealing component and the drain port 39 by the sealing member 40 and sealing contact by the sealing member 40 so as to seal the drain port 39. , Easy and effective.

In one embodiment, the sealing component has a sealing convex portion for contact-sealing in the circumferential direction, and the sealing convex portion maintains a sealing contact with the inner tank wall on the outer periphery of the drainage port or the inner wall of the drainage port. Seal the drain. By installing the sealing protrusion directly on the sealing component, the sealing component can directly seal the drain port 39.

In one embodiment, at least one of the inner wall of the drainage port 39 and the inner tank wall on the outer periphery of the drainage port 39 has a sealing convex portion for contact-sealing in the circumferential direction, and the sealing convex portion is a sealing component. Seal the drainage port by holding the sealing contact.

In one embodiment, the sealing member 40 has a sealing convex portion 41 for contact-sealing in the circumferential direction, and the sealing convex portion 41 is in sealing contact with at least one component of the sealing component and the drain port 39. Seal the drain port 39.

The sealing convex portion according to the present embodiment is a sealing rib formed by partially projecting at least one of the sealing component, the inner wall of the drainage port 39, the inner tank wall on the outer periphery of the drainage port 39, and the sealing member 40. There may be. The sealing convex portion according to the present embodiment is a protruding portion formed by partially denting at least one of the sealing component, the inner wall of the drainage port 39, the inner tank wall on the outer periphery of the drainage port 39, and the sealing member 40. There may be.

The sealed drainage device according to the present embodiment includes a case 44 having a guide passage inside, and the sealing member is installed in the guide passage and is installed at a guide portion 35 capable of reciprocating motion and one end of the guide portion 35. The elastic member 43 includes a sealing portion 36 for sealing the drainage port and a connecting portion 34 installed at the other end of the guide portion 35 for connecting centrifugal parts, and one end of the elastic member 43 is attached to the case 44. The other end is installed in the case 44 so as to be in contact with the sealing member.

The elastic member according to the present embodiment is a compression spring, and the compression spring may be fitted in the guide portion 35 and may have a storage groove for accommodating the compression spring inside the case 44, and the accommodation groove is the outer periphery of the guide passage. One end of the compression spring is in contact with the inside of the accommodating groove, and the other end is in contact with the sealing portion 36.

The guide portion 35 according to the present embodiment is a guide pillar body, the sealing portion 36 is installed at one end of the guide pillar body, and extends in the circumferential direction to form a sealing plug, and the connecting portion 34 is a connecting portion 34. , A connecting rotary shaft installed at the other end of the guide column.

The centrifugal component in this embodiment includes a counterweight component 38 and a connecting component 37, one end of the connecting component 37 is connected to the counterweight component 38, and the other end of the connecting component 37 is connected to the sealing component. , Has a rotary shaft hole 42 rotatably attached to the rotary shaft in the middle of the connecting component 37.

The counterweight component 38 may be integrally molded with the connecting component 37.

The other end of the connection component 37 according to the present embodiment has a connection rotation shaft hole 46 for attaching the connection rotation shaft of the sealing member, and the connection rotation shaft is rotatably attached to the connection rotation shaft hole 46. There is.

The present embodiment simultaneously provides a drum-type washing machine equipped with the sealed drainage device.
An inner tub 17 configured to independently store washing water when washing clothes,
A drainage port 39 provided in the inner tub 17 and configured to drain washing water,
It includes a sealed drainage device installed on the inner wall of the inner tank 17, in which the centrifugal component is centrifugally moved by the centrifugal force due to the rotation of the inner tank 17 to drive the sealing component and open the drain port 39.

In the drum-type washing machine of the present embodiment, when the structural design is performed in order to satisfy the centrifugal drainage, the total weight M of the centrifugal parts, the rotation speed V of the inner tank 17, the elastic pretension F0 of the elastic member 43, and the sealing The distance between the total weight m of the stop member and the total weight m satisfies the following.
When the rotational speed V of the inner tank 17 reaches the set value V0, the centrifugal component starts to centrifugally move due to the centrifugal force of the inner tank 17, and the centrifugal force of the centrifugal component causes the elastic pretension F0 and the centrifugal force of the sealing member. To overcome this, the sealing member is driven to move along the radial direction of the inner tank 17 and toward the central axis of the inner tank, and the drain port 39 is opened.

A clothes lifting device is attached to the inner wall of the inner tank 17, and the clothes lifting device has an inner chamber and a communication hole for communicating the inner chamber and the inside of the inner tank, and the drain port 39 is in the inner chamber. It is provided on the tank wall of the inner tank 17, and the sealed drainage device is installed in the inner chamber.

In this embodiment, the sealed drainage device is installed in the inner room to realize the hidden installation of the sealed drainage device, prevent the sealed drainage device from interfering with the clothes in the inner tank, and omit the single protective cover. Reduce manufacturing costs and simplify the assembly process.

The clothing lifting device according to the present embodiment is a baffle 32, and the baffle 32 is attached to the inner wall of the inner tank 17 by a tightening bolt 45, and the baffle 32 is provided with a screw column 55 for assembling the tightening bolt 45. A through hole 56 for passing the tightening bolt 45 is provided in the tank wall of the tank.

By installing as described above, it is possible to conceal the drainage port inside the baffle of the inner tank and install it, thereby achieving the purpose of draining water from the drainage port where the flow of water is hidden in the inner tank. At the same time, a sealed drainage device is installed at the drainage port so that the centrifugal force generated during high-speed rotation of the inner tank can be used to control the sealed parts in a corresponding manner, and the drainage port can be opened and closed correspondingly. This achieves the purpose of automatically opening the drain outlet and the inner tub correspondingly draining after the centrifugal force due to the high speed rotation of the inner tub acts on the sealed parts when the washing machine executes the dehydration program. ..

The present embodiment further provides a control method for the drum-type washing machine.
The washing machine controls the rotation speed V of the inner tub 17 to satisfy V ≧ V0 during the drainage and dehydration process, and the centrifugal parts move by the centrifugal force due to the rotation of the inner tub 17 to drive the sealing portion. Including opening the drainage port 39
Among them, V0 is a set value.

Therefore, the drum-type washing machine according to the present embodiment realizes drainage and dehydration by controlling the rotation speed of the inner tub, and controls the inner tub to rotate at a rotation speed of at least V0 at the drainage stage for drainage. In the dehydration stage, the rotation speed of the inner tank is controlled to be increased to V0 or higher to drain the dehydration.

Example 2
As shown in FIGS. 1 to 5, it is a sealed drainage device of the drum type washing machine according to the present embodiment, and the drum type washing machine includes an inner tub 17 that independently stores washing water when washing clothes. A drainage port 39 is provided in the tank 17, and the sealed drainage device is provided.
Includes a sealing component that is in close contact with the drainage port 39 and is installed to seal the drainage port 39.

The sealed drainage device according to the present application seals the drainage port 39 with a sealing component, and realizes that the drum type washing machine having a non-perforated inner tank maintains the sealing of the drainage port 39 during washing and rinsing. It is also possible that the non-perforated inner tank independently accommodates water.

The sealing component is in direct sealing contact with the drain port 39 so as to seal the drain port 39.
Alternatively, the sealing component includes a sealing portion 36 and a sealing member 40 installed in the sealing portion 36, and the sealing member 40 of the sealing component makes a sealing contact with the drain port 39 so as to seal the drain port 39. are doing.

In the sealed drainage device, the sealing component has a sealing convex portion 41 for contact-sealing in the circumferential direction, and the sealing convex portion 41 in the sealing component is an inner tank wall or a drain port 39 on the outer periphery of the drain port 39. The sealing member 40 has a sealing convex portion 41 for contact-sealing in the circumferential direction, and the sealing convex portion 41 in the sealing member 40 drains water. It may include at least one of sealing and contacting the inner tank wall or the inner wall on the outer periphery of the mouth 39 to seal the drainage port 39.

In order to realize good circumferential sealing between the sealing protrusion 41 on the sealing component or the sealing member 40 and the inner tank wall on the outer periphery of the drain port 39, the inner tank 17 in this embodiment has a flat inner wall surface. It has a flat portion 57, and the drain port 39 is provided in the flat portion 57, and a circumferential sealing contact between the sealing convex portion 41 in the sealing component or the sealing member 40 and the flat portion 57 on the outer periphery of the drain port 39 is established. Hold and seal the drain.

As another embodiment of the present embodiment, the drainage port 39 is provided on the arc-shaped wall of the inner tank, and the sealing protrusion 41 on the sealing component or the sealing member 40 and the arc on the outer periphery of the drainage port 39. Seal the drain by maintaining a circumferential sealing contact with the inner surface of the shape.

The sealing protrusion 41 on the sealing component or sealing member 40 in the present embodiment includes at least one sealing rib of the sealing component or sealing member 40, and each sealing rib is an arc-shaped inner surface of the wall. And maintain a circumferential sealed contact.

Preferably, the sealing protrusion 41 on the sealing component or sealing member 40 includes at least two sealing ribs installed on the sealing component or sealing member.

The height of each sealing rib is equal and neither is less than the distance between the innermost sealing rib and the arcuate inner surface of the wall corresponding to the innermost sealing rib, or the height of the sealing rib is outer. It gradually rises in the direction of placement from the inside to the inside, and maintains the circumferential sealing contact with each sealing rib and the arcuate inner surface of the wall corresponding to each sealing rib.

As one embodiment of the present embodiment, the sealing rib has a sealing rib main body portion, a sealing rib end portion for maintaining a sealing contact with a wall on the outer periphery of the drainage port, and a sealing rib main body portion and a sealing rib end portion. It has a sealing rib transition part for transition connection.

The sealed rib transition portion is an R chamfered structure R between the sealed rib end portion and the sealed rib main body portion.

The sealing member 40 in this embodiment is a sealing plug made of an elastic material, the sealing plug has one open installation chamber, and the installation chamber is used to attach a sealing component, and the sealing plug. Has one sealed end face that fits and seals with the flat portion 57 of the inner tank 17 on the outer periphery of the drain port 39.

At least one sealing rib is installed on the sealing end face.

By installing a sealing rib on the inner tank wall that crimps corresponding to at least one of the sealing component itself and the sealing member attached to the sealing component, the sealing contact surface is provided with a protruding rib structure for local sealing. Is formed in a line seal to further enhance the reliability of the seal, and at least one of the sealing member and the sealing component is installed as an elastic structure, and the compression between the sealing member and at least one of the sealing components and the inner tank wall is performed. The action is used to form elastic deformation, and the elastic deformation is used to seal and join the contact points, significantly enhancing the sealing effect.

The sealed drainage device in the present embodiment includes a centrifugal component that moves under the action of centrifugal force due to the rotation of the inner tank, the centrifugal component is connected to the sealing component, and the centrifugal motion of the centrifugal component forms the sealing component. Drive to open the drainage port 39.

The sealing parts include a guide portion 35 installed in the guide passage and capable of reciprocating motion, a sealing portion 36 installed at one end of the guide portion 35 for sealing the drain port 39, and a guide portion. The sealing member 40 is installed in the sealing portion, including a connecting portion 34 which is installed at the end and for connecting the centrifugal component.

The present embodiment simultaneously provides a drum-type washing machine equipped with the sealed drainage device.
An inner tub 17 configured to independently store washing water when washing clothes,
A drainage port 39 provided in the inner tub 17 and configured to drain washing water,
A sealed drainage device installed on the inner wall of the inner tank 17 and in which a sealing component opens the drainage port 39 when the rotation speed of the inner tank 17 reaches a set value V0.

In one embodiment, the drainage port 39 has an extending wall between the drainage port 39 and the inner wall of the inner tank 17, and the drainage port 39 is projected inward or outward from the tank wall of the inner tank 17 to be sealed. The stop component enters the extension wall and maintains a circumferential sealing contact with the inner wall of the extension wall to seal the drainage port 39, and further provides a sealing effect between the sealing component and the drainage port 39. Increase.

In another embodiment, the drainage port 39 is installed on the same plane as the inner wall of the inner tank 17, and the sealing component is in sealing contact with the inner tank wall on the outer periphery of the drainage port 39 in the circumferential direction, or drainage. The drainage port 39 is sealed by making a sealing contact with the inner peripheral wall of the port 39.

Example 3
As shown in FIGS. 1 and 6 to 8, it is a sealed drainage device of the drum type washing machine according to the present embodiment, and the drum type washing machine includes an inner tub 17 that independently stores washing water when washing clothes. , The inner tank 17 is provided with a drainage port 39, and the sealed drainage device is
Includes a sealing component that is in close contact with the drainage port 39 and is installed to seal the drainage port 39.

The sealing component is provided with a first sealing component 47 having a plurality of cross sections having unequal cross-sectional areas along the central axis, and the outer peripheral wall of at least one cross section is configured to be in sealing contact in the circumferential direction of the drain port 39. The drain port 39 is sealed.

The sealing component of the sealed drainage device according to the present embodiment has a first sealing component 47 having a modified cross section, whereby the first sealing component 47 can better seal the drain port 39 in the circumferential direction. Guarantee the sealing effect of the drain.

As one embodiment of the present embodiment, the first sealing component 47 includes a near end portion installed near the drain port and a far end portion installed away from the drain port, and the first sealing component 47 includes the far end portion installed away from the drain port. The cross-sectional area of the cross section along the central axis of the first sealing component 47 gradually increases from the near end portion to the far end portion.

The first sealing component 47 may be a tapered or truncated cone-shaped sealing plug in which the cross-sectional area of the cross section gradually increases from the near end portion to the far end portion.

As one embodiment of the present embodiment, the inner tank 17 has a flat portion 57 having a flat inner wall surface, the drainage port 39 is provided in the flat portion 57, and at least one cross section of the first sealed component 47 is provided. The outer peripheral wall of the drainage port 39 is sealed and contacted in the circumferential direction of the drainage port 39 to seal the drainage port 39.
Alternatively, the drainage port is provided on the arc-shaped wall of the inner tank 17, and the outer peripheral wall of at least one cross section of the first sealing component 47 is sealed and contacted in the circumferential direction of the drainage port 39 to seal the drainage port 39. Stop.

The sealing component in the present embodiment further installs a second sealing component on the outer periphery of the first sealing component 47, and the second sealing component makes a sealing contact in the circumferential direction of the inner tank wall on the outer periphery of the drain port 39. .. In this embodiment, the first sealing component and the second sealing component realize multiple sealing between the sealing component and the drain port 39, ensure the sealing effect of the drain port 39, and prevent water leakage.

The second sealing component according to the present embodiment realizes the first double sealing of the outer periphery of the drainage port, and the sealing contact between the first sealing component and the drainage port guarantees the second double sealing of the drainage port.

As one embodiment of the present embodiment, the second sealing component includes a sealing protrusion 41 installed on the outer periphery of the first sealing component 47 and configured to perform contact sealing, and the sealing in the second sealing component. The convex portion 41 maintains a sealing contact with the inner tank wall on the outer periphery of the drainage port 39 to seal the drainage port 39.

The first sealed part 47 and the second sealed part are each made of an elastic material and assembled into a sealed part, or the first sealed part 47 and the second sealed part are each made of an elastic material and the first. The sealing component is assembled into the sealing component after being integrally connected to the second sealing component, or the first sealing component 47 and the second sealing component are integrally manufactured of an elastic material. The sealing plug is assembled into the sealing part.

The sealed drainage device according to the present embodiment further includes a centrifugal component that moves under the action of centrifugal force due to the rotation of the inner tank 17, the centrifugal component is connected to the sealing component, and the centrifugal motion of the centrifugal component is sealed. Drive the parts to open the drainage port 39.

The sealing parts include a guide portion 35 installed in the guide passage and capable of reciprocating motion, a sealing portion 36 installed at one end of the guide portion 35 for sealing the drain port 39, and a guide portion. The first sealing component or the second sealing component is installed in the sealing section 36, including a connecting portion 34 which is installed at the end and for connecting the centrifugal component.

This embodiment simultaneously discloses a drum-type washing machine equipped with the sealed drainage device.
An inner tub 17 configured to independently store washing water when washing clothes,
A drainage port 39 provided in the inner tub 17 and configured to drain washing water,
A sealed drainage device installed on the inner wall of the inner tank 17 and in which a sealing component opens the drainage port 39 when the rotation speed of the inner tank 17 reaches a set value V0.

The drainage port 39 has an extending wall 48 extending between the inner wall and the inner wall of the inner tank 17, and the drainage port 39 is projected inward or outward from the tank wall of the inner tank 17, and the drainage port 39 is projected outward. The first sealing component 47 enters the extending wall 48, and the outer peripheral wall of at least one cross section of the first sealing component 47 makes a sealing contact with the inner peripheral wall of the extending wall 48 in the circumferential direction to seal the drainage port. ..

In order to further enhance the sealing effect of the first sealing component 47, the first sealing component 47 seals the drainage port by surface contact or line contact with the inner peripheral wall of the extending wall 48 of the drainage port 39.

The inner peripheral wall of the extending wall 48 can be fitted to the shape of the outer peripheral wall of the first sealing component 47.

The first sealing component 47 is a tapered or truncated cone-shaped sealing plug in which the cross-sectional area of the cross section gradually increases from the near end to the far end with respect to the drain port, and the extending wall 48 of the drain port is , A truncated cone-shaped peripheral wall whose internal cross-sectional area gradually decreases along the direction away from the central axis of the inner tank from the inner tank wall.

Example 4
As shown in FIGS. 1 and 9 to 13, it is a drum type washing machine according to this embodiment.
An inner tub 17 configured to independently store washing water when washing clothes,
A drainage port 39 provided in the inner tub 17 and configured to drain washing water,
The mounting member 50 attached to the drainage port 39 on the inner wall of the inner tank 17 and
A mounting member drainage port 51 provided on the mounting member 50 and connected to the drainage port 39,
A sealed drainage device including a sealing component for sealing the mounting member drainage port 51 is included.

The mounting member 50 in this embodiment is hermetically connected to the inner tank wall.

The drainage port 39 is provided on the inner wall of the inner tank 17, the mounting member 50 includes a mounting member connecting portion, and the mounting member connecting portion and the inner tank wall on the outer periphery of the drainage port 39 are hermetically connected. ..

The mounting member 50 in this embodiment further includes an end cover portion, the two opposing side walls of the flat portion maintain a sealed connection with the inner wall of the inner tank 17, and the other two opposing side walls of the flat portion. Are each connected to the end cover portion, and the end cover portion maintains a sealed connection with the inner wall of the inner tank 17.

The flat portion may be integrally molded with the end cover portion.

In this embodiment, by attaching the mounting member 50 to the inner wall of the inner tank, the mounting member 50 has a mounting member drainage port 51 connected to the drainage port 39, and the sealed drainage device seals the mounting member drainage port 51. The drainage port 39 can be sealed, the arc-shaped wall structure of the related inner tank is not changed, and the sealing assembly of the sealed drainage device is realized by the mounting member 50. Since the member 50 has a flat portion that is sealed and fitted to the sealing component, the sealing effect is better.

The drainage port 39 of the inner tank 17 is provided on the arc-shaped wall of the inner tank 17, and the mounting member 50 includes a mounting member connecting portion, and the mounting member connecting portion and the inner tank wall on the outer periphery of the drainage port 39. There is a sealed connection between them.

The flat portion is a flat plate, the end cover portion includes an end cover plate, and the two opposing side walls of the flat plate maintain a sealed connection with the arcuate inner wall of the inner tank of the flat plate. The other two opposing side walls each connect to the end cover plate, which maintains a sealed connection to the arcuate inner wall of the inner tank.

The flat plate may be integrally molded with the end cover plate.

As shown in FIGS. 11 and 12, as one embodiment of the present embodiment, the mounting member 50 is provided with a sealing ring 52 between the mounting member 50 and the inner wall of the inner tank 17 to realize a sealed connection, or the above-mentioned mounting member 50. The mounting member 50 is welded to the inner wall of the inner tank.

The opening cross-sectional area of the drainage port 39 in this embodiment is equal to or larger than the cross-sectional area of the mounting member drainage port 51, whereby the water discharged from the mounting member drainage port 51 at the time of drainage is immediately discharged from the drainage port 39, and the drainage is discharged. Ensure smoothness.

The drainage port 39 and the mounting member drainage port 51 are both circular holes, and the diameter of the drainage port 39 is larger than the diameter of the mounting drainage port 51.

The central axis of the drain port 39 is installed so as to be coaxial with the central axis of the mounting member drain port 51, whereby the water discharged from the mounting member drain port 51 flows to the drain port 39 and is discharged, and the mounting member drains. It is possible to prevent the outflow route from the port 51 to the drain port 39 from being bent and affecting the drainage effect.

In order to enhance the sealing effect between the sealed drainage device and the mounting member drainage port 51, a sealed fitting portion 54 that is hermetically fitted to the sealing component is installed on the outer periphery of the mounting member drainage port 51 on the flat portion. ..

The sealed fitting portion 54 is at least one sealing rib installed on the outer periphery of the mounting member drainage port 51, and the sealing rib is in sealing contact with the sealing surface of the sealing component.

A mounting member extending wall 53 is provided between the mounting member drainage port 51 and the flat portion, and the mounting member drainage port 51 protrudes inward or outward from the flat portion and is first sealed to the sealing component. The component 47 is installed, the first sealing component 47 enters the extending wall 53 of the mounting member, and the outer peripheral wall of at least one cross section maintains a sealing contact with the inner peripheral wall of the extending wall 53 of the mounting member.

The first sealing component 47 and the inner peripheral wall of the mounting member extending wall 53 are in surface contact or line contact to seal the mounting member drainage port 51.

The shapes of the inner peripheral wall of the mounting member extending wall 53 and the outer peripheral wall of the first sealing component 47 can be fitted.

The first sealing component 47 is a tapered or truncated cone-shaped sealing plug in which the cross-sectional area of the cross section gradually increases from the near end to the far end with respect to the mounting member drainage port 51, and the mounting member extending wall. Reference numeral 53 is a truncated cone-shaped peripheral wall whose internal cross-sectional area gradually decreases along the direction away from the central axis of the inner tank from the flat portion.

A clothes lifting device is installed on the inner wall of the inner tank 17, and the clothes lifting device has an inner chamber and a communication hole 33 for communicating the inner chamber and the inside of the inner tank, and the drain port 39 is in the inner chamber. The mounting member 50 and the sealed drainage device are both installed in the inner chamber, which are provided on the tank wall of a certain inner tank.

The clothes lifting device according to the present embodiment is a baffle 32, the baffle 32 has a baffle base 58 attached to the inner wall of the inner tank and a baffle convex portion 49 protruding into the inner tank 17, and the communication hole 33 is a baffle. The mounting member 50 is installed on the convex portion 49, and the mounting member 50 is hermetically connected to the baffle base 58 in the circumferential direction.

The sealed drainage device according to the present embodiment further includes a centrifugal component that moves under the action of centrifugal force due to the rotation of the inner tank 17, the centrifugal component is connected to the sealing component, and the centrifugal motion of the centrifugal component is sealed. The component is driven to open the mounting member drainage port 51.

By installing as described above, it is possible to conceal the drainage port inside the baffle of the inner tank and install it, thereby achieving the purpose of draining water from the drainage port where the flow of water is hidden in the inner tank. At the same time, a sealed drainage device is installed at the drainage port so that the centrifugal force generated during high-speed rotation of the inner tank can be used to control the sealed parts in a corresponding manner, and the drainage port can be opened and closed correspondingly. This achieves the purpose of automatically opening the drain outlet and the inner tub correspondingly draining after the centrifugal force due to the high speed rotation of the inner tub acts on the sealed parts when the washing machine executes the dehydration program. ..

Example 5
As shown in FIGS. 1, 14 and 15, the drum-type washing machine according to the present embodiment has a drum-type washing machine.
An inner tub 17 configured to independently store washing water when washing clothes,
Assembling through holes provided in the inner tank 17 and
The mounting member 50, which is sealed and mounted in the assembly through hole,
The mounting member drainage port 51 provided on the mounting member 50 and
A sealed drainage device including a sealing component for sealing the mounting member drainage port 51 is included.

In this embodiment, by attaching the mounting member 50 to the assembly through hole of the inner tank, the mounting member 50 has the mounting member drainage port 51, and the sealed drainage device seals the mounting member drainage port 51 to form the inner tank. It is possible to realize the sealing of the drainage, and the sealing assembly of the sealed drainage device is realized by the mounting member 50 without changing the arc-shaped wall structure of the inner tank, the mounting structure is simple, and the mounting member is sealed. The sealing effect is better because it has a flat portion that is sealed and fitted to the part.

The assembly through hole is provided in the tank wall of the inner tank 17, the mounting member 50 includes a mounting member connecting portion, and the mounting member connecting portion and the inner peripheral wall of the assembling through hole are hermetically connected.

The mounting member 50 in the present embodiment includes a flat portion, and the mounting member drainage port 51 is provided on the flat portion.

In order to realize that the sealing component seals the mounting member drainage port 51, as one embodiment of the present embodiment, the sealing component is hermetically fitted to the outer wall of the outer periphery of the mounting member drainage port 51 on the flat portion. A sealed fitting portion 54 is installed.

The sealed fitting portion 54 is at least one sealing rib installed on the outer periphery of the mounting member drainage port 51, and the sealing rib is in sealing contact with the sealing component.

In another embodiment of the present embodiment, the sealing component has at least one sealing rib, and the at least one sealing rib maintains a sealing contact with a flat portion on the outer periphery of the mounting member drainage port 51. The sealing member 40 is installed on the sealing component, and the sealing member has at least one sealing rib, and the sealing rib at least once seals with the outer wall surface of the flat portion on the outer periphery of the mounting member drainage port 51. Includes at least one structure of retaining contact.

As another embodiment of the present embodiment, at least one first sealing rib is installed on the outer wall of the outer periphery of the mounting member drainage port 51 on the flat portion, the sealing member 40 is installed on the sealing component, and the sealing member is provided. The 40 has at least one second sealing rib, the first sealing rib and the second sealing rib staggered, and the first sealing rib maintains a sealing contact with the flat end face of the sealing member 40. The second sealing rib maintains a sealing contact with the flat flat portion on the outer periphery of the mounting member drainage port.

In order for the sealing component to further enhance the sealing effect on the mounting member drainage port, the mounting member extending wall 53 is provided between the mounting member drainage port 51 and the flat portion 57, and the mounting member drainage port 51 is provided from the flat portion. The first sealing component 47 is installed in the sealing component, the first sealing component 47 enters the mounting member extending wall 53, and at least the first sealing component 47 is projected inward or outward. The outer peripheral wall of one cross section maintains a sealing contact with the inner peripheral wall of the mounting member extending wall 53 in the circumferential direction.

In one embodiment, the first sealing component 47 and the inner peripheral wall of the mounting member extending wall 53 are in surface contact or line contact to seal the mounting member drainage port.

In one embodiment, the inner peripheral wall of the mounting member extending wall 53 fits into the shape of the outer peripheral wall of the first sealing component 47.

In one embodiment, the first sealing component 47 is a tapered sealing plug in which the cross-sectional area of the cross section gradually increases from the near end to the far end with respect to the mounting member drainage port 51, and the mounting member extends. The wall 53 is a peripheral wall of a truncated cone whose internal cross-sectional area gradually decreases in a direction away from the central axis of the inner tank from the flat portion.

A clothing lifting device is installed on the inner wall of the inner tank 17 in the present embodiment, and the clothing lifting device has an inner chamber and a communication hole for communicating the inner chamber and the inside of the inner tank 17, and the assembly through hole. Is installed on the tank wall of the inner tank in the inner chamber, and the sealed drainage device is installed in the inner chamber.

The drainage sealing device according to the present embodiment further includes a centrifugal component that moves under the action of centrifugal force due to the rotation of the inner tank, the centrifugal component is connected to the sealing component, and the centrifugal motion of the centrifugal component is the sealing component. To open the mounting member drainage port.

The centrifugal component includes a counterweight component 38 and a connecting component 37, one end of the connecting component 37 is connected to the counterweight component 38, the other end of the connecting component 37 is connected to the sealing component, and the connecting component 37 is connected. It has a rotary shaft hole 42 rotatably attached to the rotary shaft in the middle.

The counterweight component 38 may be integrally molded with the connecting component 37.

Example 6
The distinction between the present embodiment and the second embodiment is as shown in FIGS. 16 to 20 in order to realize a sealed contact between the sealing component of the sealed drainage device and the inner tank wall at the outer periphery of the drainage port 39. A sealing convex portion 41 is provided on the wall of the inner tank on the outer periphery of the drainage port 39 at least once, and the sealing convex portion 41 is in sealing contact with the sealing component or the sealing member 40 attached to the sealing component, and the drainage port 39. To seal.

In the present embodiment, there is a storage space formed so as to be surrounded by the body wall and independently accommodating washing water, and a storage space installed on the body wall of the inner tank 17 and in the outer peripheral region of the drain port 39. Introducing the inner tub 17 of a drum-type washing machine, which includes a sealing portion on a physical wall and at least one drain 39 configured to drain water from the inner tub.

In this embodiment, the sealing portion is a sealing device that fits with a sealing component that seals the drain port 39, and both the sealing portion and the sealing component are components of the sealed drainage device in this embodiment. The sealed portion according to the present embodiment has a sealed convex portion 41 whose height changes along the radial direction of the inner tank on the body wall, and the sealed portion is formed from a flat portion 57 around a drain port 39 on the body wall. The structure includes, but is not limited to, a sealing convex portion 41 projecting to the center of the inner tank 17. The sealing component has a sealing surface with respect to the sealing protrusion 41 at the drainage port, and the sealing surface is a flat surface or a smooth curved surface.

The sealing convex portion 41 in the drainage port in the present embodiment may be composed of a protruding end of a sealing rib protruding toward the center of the inner tank 17 in the body wall, and may be formed in a direction toward the outside of the inner tank of the body wall. It may be composed of the outer periphery of the opening at the tip of the groove that is recessed.

In this embodiment, the sealing protrusion 41 at the drainage port extends intermittently or continuously at least once along the outer circumference of the drainage port 39. At least one sealing protrusion 41 is provided in a plurality of directions along the radial direction of the drainage port 39 to guarantee the sealing property of the drainage port 39 in the plurality of directions.

In this embodiment, the line connecting the centers of the sealed convex portions 41 around each drainage port is installed concentrically with the center of the drainage port 39, and the sealed convex portions 41 around each drainage port are all drainage ports 39. It is installed symmetrically with respect to the center to guarantee the pressure balance around the drainage port and further enhance the sealing performance.

In this embodiment, one arc connecting curved surface is provided on the end surface of the sealing convex portion 41 at the drainage port. In order to guarantee the sealing performance between the sealing convex portion 41 at the drainage port and the sealing member 40 or the sealing component, an arc connecting curved surface on the end face of the sealing convex portion 41 at the drainage port is installed as shown below to drain water. At least one arc chamfered surface is provided on both sides of the sealed convex portion 41 at the mouth, or the end surface of the sealed convex portion 41 at the drainage port is directly composed of one entire arc curved surface.

One arc connecting curved surface is provided at each of the drainage ports where the end surface of the sealed convex portion 41 and the inner peripheral side and the outer peripheral side of the sealed convex portion 41 are in contact with each other, and the drainage port is in contact with the sealing component or the sealing member 40. Both ends of the end surface of the sealing convex portion 41 are provided with an arc chamfer R, and the center of the end portion of the sealing convex portion 41 at the drainage port is one flat surface portion. The width of the contact surface with the portion 41 is guaranteed, and the crimp sealing performance is enhanced.

In order to realize good circumferential sealing of the sealing convex portion 41 and the sealing member 40 at the drainage port, the inner tank 17 in the present embodiment has a flat portion 57 having a flat inner wall surface, and the drainage port 39 is flat. The sealing convex portion 41 at the drainage port provided in the portion 57 is located in the flat portion 57, and the flat portion 57 covers the projection area on the inner tank wall at least along the inner tank radial direction of the sealing member 40, and the sealing member 40. And the circumferential sealing contact with the flat portion 57 on the outer periphery of the drainage port 39 is maintained to seal and enhance the sealing property of sealing the drainage port.

In another embodiment, the drainage port 39 is provided on the arc-shaped wall of the inner tank 17, and the sealing protrusion 41 in the sealing component or the sealing member 40 and the arc-shaped wall on the outer periphery of the drainage port 39. The drain port 39 is sealed while maintaining a circumferential sealing contact with the inner surface.

In the present embodiment, the sealing protrusion 41 in the sealing component or sealing member 40 includes at least two sealing ribs distributed along the radial direction of the sealing component or sealing member 40, and the at least two sealing ribs are included. Both ribs maintain a circumferential sealing contact with the arc-shaped inner surface of the wall, the heights of the sealing ribs are equal, and both are arc-shaped walls corresponding to the innermost sealing ribs and the innermost sealing ribs. Not less than the distance to the inner surface, or the height of the sealing ribs gradually increases in the direction of placement from the outside to the inside, with each sealing rib and the arcuate wall inner surface and circumference corresponding to each sealing rib. Maintain directional sealing contact.

In this embodiment, the sealing component includes one sealing member 40 that seals and contacts the body wall of the inner tank 17 to seal the drainage port.

In this embodiment, the sealing member 40 presses against the sealing portion provided on the body wall of the inner tank 17 to cause elastic deformation, and the joint portion between the two is sealed by the elastic deformation. The sealing member 40 is made of an elastic material, and the sealing member 40 and the sealing portion press against each other to cause elastic deformation by themselves and seal the joint portion between the two.

In this embodiment, a baffle 32 fitted to the drain port 39 is attached to the wall of the inner tank 17, and the inside of the baffle 32 is hollow and the inside of the inner tank 17 is provided by a hole in the baffle 32. The drainage port 39 installed on the wall of the inner tank 17 is connected to the hollow portion of the baffle 32, and the sealing component installed in the drainage port 39 is inside the baffle 32.

Example 7
This embodiment is based on the above-mentioned Example 6, and further has the following technical features, and drains water in order to realize a sealed contact between the sealing component of the sealed drainage device and the inner tank wall at the drainage port 39. On the inner tank wall at the mouth 39,
At least one structure is provided, that is, a bent edge 48 that bends to the outside of the inner tank 17 and a bead in which the inner wall of the drainage port 39 extends to the outside of the inner tank 17, and at least one of the bent edge and the bead is cylindrical. Alternatively, the drainage port 39 is sealed by having at least one of the sealing member 40 attached to the sealing component itself and the sealing component, which is tapered, and in sealing contact with at least one of the bent edge 48 and the bead. ..

The bent edge 48 in FIGS. 21 to 25 described below may be another form of the extending wall 48 in FIGS. 6 to 8.

As shown in FIGS. 21 to 23, the sealed drainage device of the drum type washing machine is introduced in this embodiment, and the drum type washing machine includes an inner tub 17 that independently stores washing water when washing clothes, and is an inner tub. A drainage port 39 is provided in 17, and the sealed drainage device includes a sealing component configured to seal and contact the drainage port 39 and seal the drainage port 39, and the sealing component is itself or sealed. The sealing member 40 attached to the component is used to perform a sealing process corresponding to the drain port 39, and the inner tank wall of the drain port 39 is provided with a bent edge 48 that bends to the outside of the inner tank 17, and the sealing component or The sealing member 40 makes a sealing contact with the bent edge 48 to seal the drainage port 39.

The sealed drainage device according to the present application seals the drainage port 39 with a sealing component, and realizes that a drum-type washing machine having a non-perforated inner tank maintains the sealing of the drainage port 39 during washing and rinsing. It is also possible that the non-perforated inner tank independently accommodates water.

In this embodiment, the sealing component includes one sealing member 40 that seals and contacts the inner tank wall to seal the drain port 39, and the sealing member 40 is at least one of the inner tank wall and the bent edge 48. It presses against each other to cause elastic deformation, and the joint between the two is sealed by the elastic deformation.

In the present embodiment, the sealing member 40 includes a protrusion 47 which is installed on the sealing member side and protrudes toward the drain port side, and at least a part of the protruding portion 47 protrudes from the drain port 39 along the axial direction of the protruding portion. The protrusion 47 is hermetically joined to the bent edge 48 at the drainage port 39. The protrusion 47 has a tapered shape that gradually decreases toward the distance from the sealing component side and is installed coaxially with the drain port 39, and the diameter of the minimum end of the tapered protrusion 47 is the drain port 39. The diameter of the maximum end of the tapered protrusion 47 is larger than the diameter of the drainage port 39, whereby the protrusion 47 can enter corresponding to the bent edge 48 in the drainage port 39, and the protrusion 47 Direct compression deformation is caused with the bent edge, and the contact point between the two is sealed. At the same time, in order to guarantee the sealed contact between the two, it is necessary to set the diameter of the large end of the protrusion 47 to be larger than the diameter of the large end of the tapered bent end 48.

The protrusion 47 in FIGS. 21 to 25 may be another form of the first sealing component 47 in FIGS. 6 to 8, 13 and 15.

In this embodiment, the inner tub structure of the drum type washing machine is further introduced, and the inner tub 17 is formed so as to be surrounded by a physical wall, and has a storage space configured to independently store washing water. A first sealing portion is installed on the body wall in the outer peripheral region of the drain port 39, including at least one drain port 39 installed on the body wall of the inner tank 17 and configured to drain water from the inner tank. A second sealing portion is provided at the drainage port 39.

In this embodiment, the first sealed portion is the sealed convex portion 41 at the drainage port installed on the body wall of the inner tank 17 described in the third embodiment, and the second sealed portion is the inner tank described in the present embodiment. At least one of the bead and the bent edge 48 of the cylindrical or tapered surface extending outward of the tank installed in the drainage port 39 of 17.

In the present embodiment, the second sealing portion extends continuously or intermittently at least once along the outer circumference of the drainage port, and the second sealing portion gradually narrows the radial width toward the extending end. Then, the second sealing portion is surrounded so as to form a tapered narrowing hole.

In this embodiment, on the premise of guaranteeing the sealing of the inner tank, one may be selected and installed between the first sealing portion and the second sealing portion.

Example 8
This embodiment is based on the above embodiment, and further has the following technical features. As shown in FIGS. 1 to 23, the drum type washing machine is a sealed drainage device for a drum type washing machine. ,
An inner tub 17 provided with a drainage port 39 and independently accommodating washing water when washing clothes,
A sealing member 40 is provided on the sealing component, including a sealing component configured to seal the drain port 39 of the inner tank 17, and the sealing member 40 is in close contact with the wall of the inner tank 17 to be in close contact with the drain port. Seal 39 or open the drain 39 away.

By installing a sealing member on the sealing component, the sealing member that moves together with the sealing component and is independently installed comes into contact with the inner tank wall, and also utilizes the compression force in the contact process. By not only sealing the contact points to improve the sealing performance, but also optimizing the mounting of the device to increase the assembly and maintenance speed, and at the same time, by installing the sealing member on the sealing part that can be relatively expanded and contracted. The sealing force of the holding member received by the sealing member is increased, and the sealing effect is remarkably enhanced.

In this embodiment, the sealing member 40 presses against the wall of the inner tank 17 to cause elastic deformation, and the joint portion between the two is sealed by the elastic deformation. In order to realize the effect of sealing between the sealing member and the inner tank by elastic deformation, the sealing member may be made of an elastic material, and of course, the wall portion of the inner tank 17 corresponding to the sealing member 40 may be formed. It may be installed so as to be made of an elastic material, and a sealing contact is realized by utilizing at least one elastic deformation of the wall of the sealing member 40 and the inner tank 17.

A second sealing part extending outward is installed at the drainage port of the inner tank wall, and the sealing part or the sealing member attached to the sealing part is crimped corresponding to the second sealing part to form a sealing part. Uses the second sealing part to reseal, further enhancing the reliability of the sealing, and at least one of the sealing member and the sealing component is installed as an elastic structure to exert a compression action between the inner tank wall. The elastic deformation is formed by utilizing the elastic deformation, and the contact portion between the deformed portion and the second sealing portion using the elastic deformation is hermetically sealed and joined, and the sealing effect is remarkably enhanced.

Example 9
This embodiment is based on the above embodiment, and further has the following technical features. As shown in FIGS. 24 to 25, this embodiment is a sealed drainage device for a drum type washing machine, and the drum type washing machine is A drain port 39 is provided in the inner tank 17, and the sealing surface of the sealing component is in direct contact with the wall of the inner tank 17 to provide the drain port 39. Seal or separate to open the drain 39.

By directly contacting the sealed parts with the inner tank wall, the contact point is sealed by utilizing the compression force that the two contact, and not only the sealing performance is improved, but also the mounting of the device is optimized for assembly and maintenance. By increasing the speed and at the same time constructing and using a sealing component that can be relatively expanded and contracted as a direct sealing member, not only the number of components is reduced, but also the compactness of the device is optimized.

In this embodiment, at least one of the sealing component and the wall of the inner tank 17 at the position where the sealing component is in contact is made of a material capable of elastic deformation, and is relative to the sealing component and the wall of the inner tank 17. When it comes into contact with, it causes elastic deformation and seals the corresponding contact point.

In this embodiment, both the sealing component and the wall of the inner tank 17 may be made of an inelastic material, for example, another material such as metal is adopted, and the force of the pressing action between the two is directly utilized.
At least one sealing contact between the sealing component and the wall of the inner tank 17 on the outer periphery of the drainage port 39 and the sealing contact between the sealing component and the inner wall of the drainage port is realized and the drainage port is correspondingly achieved. Seal 39.

In this embodiment, in order to improve the sealing performance, the sealed drainage device is
A structure in which the sealing component is provided with at least one sealing convex portion, and the sealing convex portion on the sealing component seals and contacts the inner wall surface of the outer periphery of the drain port to seal the drain port correspondingly.
The wall of the inner tank 17 on the outer periphery of the drainage port 39 has at least one sealing convex portion 41, and the sealing convex portion on the outer peripheral portion of the drainage port makes a sealing contact with the sealing component and seals the drainage port correspondingly. Structure and
At least one of the structures in which the inner wall of the drainage port 39 has at least one sealing convex portion, and the sealing convex portion of the inner wall of the drainage port makes a sealing contact with the sealing component and correspondingly seals the drainage port. Including one.

In this embodiment, either the sealing component or the wall surface of the inner tank 17 on the outer periphery of the drainage port 39 is provided with a sealing convex portion installed so as to project so as to face the sealing component, and the other components correspond to the sealing component. When the surface is flat or has a smooth curved surface and the sealing part comes into contact with the inner tank wall, the sealing protrusion on the outer periphery of the sealing part or drainage port limits the position with the corresponding surface and presses. Achieves line contact between the two to improve sealing performance.

In this embodiment, the sealing component has a sealing surface that seals with the drain port 39, and the sealing surface is such that projection on the wall of the inner tank 17 covers at least the drain port 39 along the radial direction of the tank. Is installed in the same shape as the wall of the inner tank 17 on the outer periphery of the drainage port 39, and correspondingly joined to make a sealed contact. In the sealing method in this embodiment, a flat portion 57 parallel to the sealing surface is provided on the wall of the inner tank 17 on the outer periphery of the drainage port 39, and the flat portion 57 has at least a sealing surface covering the projection area on the wall of the inner tank 17. The covering and the sealing surface of the sealing component include at least one of being an arcuate surface having the same shape as the wall of the facing inner tank 17.

In this embodiment, the sealing component is movably mounted on the wall of the inner tank 17 by the mounting structure, and the sealing component is pushed by the elasticity of the spring member to correspondingly seal the drain port 39, and the sealing component is sealed. Is connected to the centrifugal component, and the centrifugal motion of the centrifugal component drives the sealing component to open the drain port 39.

In this embodiment, the sealing surface of the sealing component is provided with a protruding portion 47 projecting toward the drain port 39, and the drain port 39 is provided with a tapered surface or a bent edge 48 of a conical base surface projecting toward the side away from the sealing component. The protruding portion 47 is installed so as to correspond to the bent edge 48, and the protruding portion 47 is sealed and joined corresponding to the bent edge at the drainage port 39. In this embodiment, the outer wall of the protruding portion 47 is installed facing the inner wall of the bent edge 48 in the same shape, and the protruding portion 47 faces the bent edge 48 and is hermetically joined to seal the drainage port 39.

Claims (12)

The inner tub of a drum-type washing machine
A storage space that is formed so as to be surrounded by a physical wall and is configured to independently store washing water.
Includes at least one drainage port installed on the body wall of the inner tank and configured to drain water from the inner tank.
The drainage port includes at least one sealing portion of a first sealing portion installed on a physical wall in an outer peripheral region of the drainage port and a second sealing portion installed on the drainage port.
The inner tub of a drum-type washing machine. When the drain port includes the first sealing portion, the first sealing portion is configured as a sealing device that fits with a sealing component that seals the drain port.
When the drainage port includes the second sealing portion, the second sealing portion is configured as a sealing device that fits with a sealing component that seals the drainage port.
The inner tub of the drum-type washing machine according to claim 1. The first sealing portion is a sealing convex portion protruding from a flat portion around the drainage port on the body wall of the inner tank to the center of the inner tank.
The sealing surface of the sealing component facing the sealing protrusion is a flat surface or a smooth curved surface.
The inner tub of the drum-type washing machine according to claim 1 or 2. The inner tub of the drum-type washing machine according to claim 3, wherein the sealing protrusion extends at least once intermittently or continuously along the outer circumference of the drain port. The second sealed portion is
The second sealing portion has a cylindrical or tapered surface in which the actual wall at the drainage port bends to the outside of the inner tank.
The second sealing portion has a cylindrical or tapered surface whose inner wall at the drainage port extends to the outside of the inner tank.
The inner tub of the drum-type washing machine according to any one of claims 1 to 4, which comprises at least one structure of the above. The second sealing portion extends continuously or intermittently at least once along the outer circumference of the drainage port.
The width of the second sealing portion in the radial direction is gradually narrowed toward the extending end, and the second sealing portion is surrounded so as to form a tapered narrowing hole.
The inner tub of the drum-type washing machine according to claim 5. The drum-type washing machine according to claim 5 or 6, wherein one arc connecting curved surface is provided at a position where the end surface of the first sealed portion and the inner peripheral side and the outer peripheral side of the first sealed portion are in contact with each other. Inner tank. The body wall in the outer peripheral region of the drainage port is a plane for sealing and joining with the sealing surface of the sealing component, and the first sealing portion is provided in the region of the plane.
Alternatively, the sealing surface of the sealing component is provided as an arc surface that fits with the corresponding wall surface of the inner tank.
The inner tub of the drum-type washing machine according to any one of claims 2 to 4. The inner tub according to any one of claims 1 to 8, which is configured as a container for containing water when the washing machine executes a washing program.
A sealing component provided at the drainage port of the inner tank and configured to fit with a sealing portion in the inner tank so as to seal or open the drainage port.
Drum type washing machine including. The drum-type washing machine according to claim 9, wherein the sealing component includes a sealing member that seals and contacts the body wall of the inner tank to seal the drain port. The tenth aspect of the present invention, wherein the sealing member presses against the sealing portion provided on the body wall of the inner tank to cause elastic deformation, and the joint portion between the sealing member and the sealing portion is sealed by the elastic deformation. Drum type washing machine. A baffle corresponding to the drainage port is provided on the body wall of the inner tank, the inside of the baffle is hollow and connected to the inside of the inner tank by a hole, and the drainage port installed on the body wall of the inner tank is the baffle. There is a sealing component inside the baffle that is connected to the hollow portion of the water and is installed in the drainage port.
The drum-type washing machine according to any one of claims 9 to 11.

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