WO2020119524A1

WO2020119524A1 - Washing machine

Info

Publication number: WO2020119524A1
Application number: PCT/CN2019/122708
Authority: WO
Inventors: 王莹莹; 刘振华; 林修鹏
Original assignee: 海信（山东）冰箱有限公司
Priority date: 2018-12-14
Filing date: 2019-12-03
Publication date: 2020-06-18
Also published as: CN109518399B; CN109518399A

Abstract

Disclosed is a washing machine, relating to the technical field of washing machines, and capable of solving the problem that a door cover of existing washing machines is prone to enabling clothes to generate a peculiar smell, affecting the user experience. The washing machine comprises a box body and a base fixedly arranged on the box body, wherein the base is provided with a clothes removal-placement port used for communicating with a washing drum of the washing machine, a door cover is hinged to the base, the door cover can be rotated relative to the base so as to open or close the clothes removal-placement port, the washing machine further comprises a first elastic piece and a locking unit, the door cover rotates towards the locking position to enable the first elastic piece to accumulate force to form a resetting force, the locking unit is used for tightly locking the door cover when the door cover closes the clothes removal-placement port, and when the door cover is unlocked from the locking unit, the resetting force is released to drive the door cover to open so as to open the clothes removal-placement port. The present application is used for washing clothes.

Description

A washing machine

This application requires the priority of the Chinese application with the application number of 201811534487.6 and the title of "A Pulsator Washing Machine" filed on December 14, 2018, the entire contents of which are incorporated by reference in this application.

Technical field

This application relates to the technical field of washing machines, in particular to a washing machine.

Background technique

The door cover of the washing machine has the function of defining the space of the clothes processing area during the washing process to prevent the clothes from being removed. It has good sealing and protects the safety of the user in the washing operation.

However, most current washing machines are opened by lifting the door cover by hand. This door cover device has the following shortcomings and deficiencies: 1. After washing the clothes, if the clothes are not taken out in time, there will be odor in the bucket; 2. Usually the door cover is to achieve a better appearance and achieve a better seal , Is designed to have a large counterweight, the user needs a greater intensity when using it, which affects the user experience.

Summary of the invention

The embodiments of the present application provide a washing machine, which can solve the above-mentioned shortcomings and deficiencies of the existing door cover device of the washing machine.

To achieve the above purpose, the embodiments of the present application adopt the following technical solutions:

An embodiment of the present application provides a washing machine, including: a cabinet;

A base, which is fixedly arranged on the box body and forms a space for containing a washing tub with the box body;

A door cover, hinged to the base, the door cover can rotate relative to the base to open or close the clothing access opening;

Wherein, a first elastic member is provided on a side of the door cover hinged to the base; a locking unit is provided on a side of the base that locks the door cover; the door cover is locked The position rotation causes the first elastic member to accumulate to generate a restoring force, and the locking unit is used to lock the door cover when the door cover closes the laundry access port, when the door cover is closed by When the locking unit is unlocked, the reset force is released to drive the door cover to open to open the laundry access opening.

The washing machine provided by the embodiment of the present application includes a box and a base fixedly arranged on the box, the base is provided with a clothing access port for communicating with the inner tub of the washing machine, and the base is hinged There is a door cover, the door cover can be rotated relative to the base to open or close the clothing access port, and also includes a first elastic member and a locking unit, the door cover rotating to the locked position can make all The first elastic member accumulates force to generate a restoring force, and the locking unit is used to lock the door cover when the door cover closes the laundry access port, when the door cover is locked by the lock When the unit is unlocked, the restoring force is released to drive the door cover to open to open the laundry access port, therefore, the door cover is in a closed state during the laundry washing process (at this time, the first elastic member stores force to generate a reset force ), when the door cover is closed, the lock unit locks the door cover to the base. After washing the clothes, the lock unit is controlled by the program to unlock the door cover to the open state, and the door cover can be reset by the first elastic member. Open under the action, so that the barrel underwear can fully contact with the outside air, thereby preventing the problem of odor caused by the clothes not being taken out in time, and at the same time prompting the user that the clothes have been washed. Furthermore, the door cover is unlocked and The reset movement is completed automatically without manual operation by the user, which improves the user experience.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, without paying any creative work, other drawings can be obtained based on these drawings.

1 is a schematic diagram of a washing machine according to an embodiment of this application;

2 is a schematic diagram of a door cover device of a washing machine according to an embodiment of the present application;

3 is a schematic diagram of another angle of FIG. 2;

FIG. 4 is a schematic diagram of a locking unit locking a door cover in a washing machine according to an embodiment of the present application;

5 is a schematic diagram of a locking unit in a washing machine according to an embodiment of the present application;

6 is a schematic diagram of a manual unlocking unit in a washing machine before unlocking a door cover according to an embodiment of the present application;

7 is a schematic diagram of a manual unlocking unit unlocking a door cover in a washing machine according to an embodiment of the present application;

8 is a schematic diagram of a guide rail in a washing machine according to an embodiment of the present application;

9 is a schematic diagram of a torsion spring and a buffer in a washing machine in an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are merely a partial embodiment of the present application rather than an embodiment of the entire segment . Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, rather than indicating or implying The device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present application.

The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the connection between two components. For those of ordinary skill in the art, the specific meaning of the above terms in this application can be understood in specific situations.

1 to 9 are a specific embodiment of the washing machine of the embodiment of the present application.

The washing machine in this embodiment includes a box 200 which contains a washing tub; a base 1 is fixedly arranged on the box 200 and forms a space for storing the washing tub with the box 200. The washing tub is used for storing clothes and The clothes are washed, and the base 1 is provided with a clothes access port 11 which communicates with the washing tub; the door cover 2 is hinged to the base 1 and the door cover 2 can rotate relative to the base 1 to open or close Clothing access port 11;

Wherein, the door cover 2 is hinged to the side where the base 1 rotates is provided with a first elastic member 3,

Wherein, after the door cover 2 is closed to the clothing delivery port 11, a locking unit 4 is provided on the side of the base 1 where the door cover 2 is locked.

The door cover 2 rotates to the locking position to cause the first elastic member 3 to accumulate force to generate a reset force. The locking unit 4 is used to lock the door cover 2 when the door cover 2 closes the laundry access opening 11 when the door cover 2 is closed by When the locking unit 4 is unlocked, the reset force is released to overcome the gravity of the door cover 2 to drive the door cover 2 to open to open the laundry access opening 11.

The washing machine provided by the embodiment of the present application includes a cabinet 200 and a base 1 fixedly disposed on the cabinet 200. A laundry access port 11 for communicating with the inner tub of the washing machine is opened on the base 1, and the base 1 is hinged There is a door cover 2, the door cover 2 rotates relative to the base 1 to open or close the clothing access port 11, and also includes a first elastic member 3 and a locking unit 4, the door cover 2 rotates to the closed position can make the first elastic member 3 Accumulate force to generate a reset force, the locking unit 4 is used to lock the door cover 2 when the door cover 2 closes the laundry access port 11, and when the door cover 2 is unlocked by the lock unit 4, the reset force is released to drive the door cover 2 Open to open the laundry access opening 11.

Therefore, the door cover 2 is in a closed state during the laundry washing (at this time, the first elastic member 3 stores force to generate a reset force), and the door cover 2 is locked by the locking unit 4 to the base 1 when the door cover 2 is closed After washing the clothes, the lock unit 4 is controlled by the program to unlock the door cover 2 in an open state, and the door cover 2 can be opened under the action of the reset force of the first elastic member 3, so that the underwear in the bucket can fully contact with the outside air , So as to prevent the problem of odor caused by the clothes not being taken out in time, and at the same time prompt the user that the clothes have been washed. Furthermore, after the clothes are washed, the unlocking and resetting movement of the door cover 2 is automatically completed without manual operation by the user, which improves the user experience .

Specifically, referring to FIGS. 4 and 5, the door cover 2 is provided with an opening 21, and the locking unit 4 includes a locking tongue 41 and an electromagnet 42. The locking tongue 41 and the electromagnet 42 are connected by a second elastic member 43 (FIG. 5 For example, the second elastic member 43 is a compression spring, and the fixing method of the compression spring may be as shown in FIG. 5 or may be sleeved on the lock tongue 41). When the door cover 2 closes the laundry access port 11, the lock tongue 41 extends Enter the opening 21 to lock the door cover 2. When the electromagnet 42 is energized, the attracting force of the electromagnet 42 can cause the locking tongue 41 to move out of the opening 21 against the elastic force of the second elastic member 43, thereby unlocking the door cover 2. The electromagnet 42 is composed of an iron core 421, a coil (not shown in the figure), and a casing 422 that wraps the coil. The locking tongue 41 is coaxially arranged with the coil. The material of the locking tongue 41 is preferably metallic iron. When the coil is energized, the iron The core 421 is magnetized, and the locking tongue 41 can be driven to move out of the opening 21 against the elastic force of the second elastic member 43 by suction, wherein the direction of moving out of the opening 21 is specifically referred to the U direction in FIGS. 4 and 5.

Based on the above embodiment, the end of the lock tongue 41 near the opening 21 in this embodiment is provided with a first inclined surface A. When the door cover 2 rotates to the closed position, the door cover 2 can press the first inclined surface A to make the lock The tongue 41 overcomes the elastic force of the second elastic member 43 and moves away from the door cover 2 so that the door cover 2 can continue to rotate toward the closed position and close smoothly. When the opening 21 on the door cover 2 is opposed to the lock tongue 41, the lock The tongue 41 protrudes into the opening 21 under the elastic force of the second elastic member 43, thereby locking the door cover 2, wherein the direction of protruding into the opening 21 is specifically referred to the V direction in FIGS. 4 and 5.

In order to enable the door cover 2 to be opened when the electromagnet 42 is not energized, the washing machine in this embodiment further includes a manual unlocking unit 5 that can manually cause the locking tongue 41 to overcome the elastic force of the second elastic member 43 By removing from the opening 21, the door cover 2 can be manually unlocked, so that the door cover 2 can be opened when the electromagnet 42 is not energized.

In an embodiment of the present application, the manual unlocking unit 5 is a lever structure, and manually presses one end of the lever so that the other end of the lever acts on the end of the locking tongue 41 away from the door cover 2, thereby pulling the locking tongue 41 to make the lock The tongue 41 moves out of the opening 21 against the elastic force of the second elastic member 43.

In another embodiment of the present application, referring to FIGS. 6 and 7, the lock tongue 41 is provided with a second inclined surface B, the manual unlocking unit 5 is a pressing member, and the pressing member can move relative to the base 1, the second inclined surface B is located on the movement path of the pressing member. When the pressing member is manually pressed, the pressing member can press the second inclined surface B, so that the locking tongue 41 moves out of the opening 21 against the elastic force of the second elastic member 43.

The pressing member includes a fixing plate 51, a pressing cover 52, a pressing shaft 53 and a resetting member 54. The fixing plate 51 is fixed relative to the base 1, the pressing shaft 53 is disposed through the fixing plate 51, and the resetting member 54 is sleeved on the pressing shaft 53 And between the pressing cover 52 and the fixing plate 51, when the pressing cover 52 is manually pressed, the pressing cover 52 and the pressing shaft 53 can move together toward the second slope B, and the pressing shaft 53 can press the second The inclined surface B, so that the locking tongue 41 moves out of the opening 21 against the elastic force of the second elastic member 43, and the reset member 54 is compressed. When the pressing force acting on the pressing cover 52 is removed, the pressing cover 52 and the pressing shaft 53 are It can be reset by the reset member 54.

Referring to FIG. 8, the base 1 includes a control panel 12, and a guide rail 6 is provided below the control panel 12, the locking unit 4 and the pressing member are both placed in the space below the control panel 12, and the fixing plate 51 is fixed below the control panel 12 At a position in front of the base 1, the pressing shaft 53 moves along the guide rail 6, thereby improving the stability of the movement of the pressing shaft 53, thereby ensuring that the pressing shaft 53 can better squeeze the second inclined surface B.

There are many embodiments of the first elastic member 3, for example, the first elastic member 3 may be a tension spring. One end of the tension spring is fixed to the door cover 2 and the other end is fixed to the base 1. The door cover 2 is turned to the closed position to pull The spring is stretched to store force. When the lock unit 4 unlocks the door cover 2, the return force of the tension spring can drive the door cover 2 to open; in this embodiment, the first elastic member 3 is a torsion spring and a torsion spring sleeve It is provided on the hinge shaft 7 of the door cover 2 and the base 1 (the torsion spring may be provided on only one hinge shaft 7 or on both sides of the hinge shaft 7, as shown in FIG. 9), and the torsion spring is close to the base One end C of the 1 is fixed to the base 1, and the other end D can be separated from the door cover 2. The door cover 2 is turned to the closed position to compress the torsion spring, thereby accumulating force. When the lock unit 4 unlocks the door cover 2, The restoring force of the spring can drive the door cover 2 to open at a certain angle a. When the door cover 2 is opened above this angle a, it separates from the torsion spring. The torsion spring no longer works. This design can reduce the torsion force required by the torsion spring The cost is reduced, on the other hand, the door closing force and the force on the tongue 41 can be reduced.

Further, the hinge shaft 7 is provided with a buffer 8, which is used to stop the door cover 2 when the door cover 2 is separated from the torsion spring. Therefore, if the user wants to open the door cover 2 at a larger angle, only The door cover 2 needs to be manually pushed on the basis of the current parking angle a of the door cover 2, and the door cover 2 can be parked at a larger angle.

The specific process of closing/opening the door cover device 100 of the washing machine in the embodiment of the present application is as follows:

1. Manually close the door cover 2. The lower edge of the door cover 2 presses the first inclined surface A on the lock tongue 41 to retract the lock tongue 41 toward the electromagnet 42. When the door cover 2 falls onto the opening 21 and When the locking tongue 41 is opposed, the locking tongue 41 extends into the opening 21 under the elastic force of the second elastic member 43 to block the opening 21, the door cover 2 is closed, and the washing machine starts to run a program; when the program is completed or paused, The control panel 12 gives the coil of the electromagnet 42 a pulse signal to generate an electromagnetic field, and the lock tongue 41 can be removed from the opening 21 under the suction of the electromagnet 42, and the door cover 2 can be opened to the angle a by the torsion spring. The parking does not fall. If the user wants to make the door cover 2 open at a larger angle, the door cover 2 needs to be pushed manually.

2. In the non-energized state, if you want to open the door cover 2, by applying a certain force to the pressing cover 52 above the pressing member, the pressing shaft 53 acts on the second inclined surface B on the locking tongue 41, the locking tongue 41 can be The door 21 can be opened under the force of the torsion spring after disengaging from the opening 21 in the door 2.

Other configurations of the washing machine in the embodiments of the present application are well known to those skilled in the art, and will not be described in detail here.

The above is only the specific implementation of this application, but the scope of protection of this application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A washing machine includes:

Cabinet

A base, which is fixedly arranged on the box body and forms a space for containing a washing tub with the box body;

A door cover, hinged to the base, the door cover can rotate relative to the base to open or close the clothing access opening;

It is characterized by,

A first elastic member is provided on one side of the door cover hinged to the base;

A locking unit is provided on one side of the base to lock the door cover;

The door cover rotates toward the lock position to accumulate the first elastic member to generate a reset force, and the lock unit is used to lock the door cover when the door cover closes the laundry access port When the door cover is unlocked by the locking unit, the reset force is released to drive the door cover to open to open the laundry access opening.
The washing machine according to claim 1, wherein the door cover is provided with an opening, and the locking unit includes a locking tongue and an electromagnet, the locking tongue and the electromagnet are connected by a second elastic member, When the door cover closes the clothing access opening, the lock tongue extends into the opening to lock the door cover, and when the electromagnet is energized, the electromagnet's attraction force can make The locking tongue moves out of the opening against the elastic force of the second elastic member.
The washing machine according to claim 2, wherein the end of the lock tongue close to the opening is provided with a first inclined surface, and when the door cover is turned to the closed position, the door cover can squeeze the first A beveled surface, to move the lock tongue away from the door cover against the elastic force of the second elastic member, when the lock tongue is opposite to the opening, the lock tongue is located on the second elastic member The elastic force extends into the opening.
The washing machine according to claim 2, further comprising a manual unlocking unit, the manual unlocking unit can manually move the lock tongue out of the opening against the elastic force of the second elastic member.
The washing machine according to claim 4, wherein the lock tongue is provided with a second inclined surface, the manual unlocking unit is a pressing member, and the pressing member can move relative to the base, the second The inclined surface is located on the movement track of the pressing member. When the pressing member is pressed, the pressing member can press the second inclined surface, so that the lock tongue overcomes the elastic force of the second elastic member from the opening Move out.
The washing machine according to claim 5, wherein the pressing member includes a fixing plate, a pressing cover, a pressing shaft, and a resetting member, the fixing plate is fixed relative to the base, and the pressing shaft passes through the A fixing plate is provided, and the resetting member is sleeved on the pressing shaft and is located between the pressing cover and the fixing plate.
The washing machine according to claim 6, wherein the base includes a control panel, and a guide rail is provided below the control panel, and the pressing shaft moves along the guide rail.
The washing machine according to claim 1, wherein the first elastic member is a torsion spring, the torsion spring is sleeved on a hinge shaft of the door cover and the base, and the torsion spring is close to the One end of the base is fixed to the base, and the other end can be separated from the door cover.
The washing machine according to claim 8, wherein a buffer is provided on the hinge shaft, and the buffer is used for stopping the door cover when the door cover is separated from the torsion spring.