CN109972343B

CN109972343B - Washing machine

Info

Publication number: CN109972343B
Application number: CN201910328943.XA
Authority: CN
Inventors: 李松辉; 王其建; 邓开平; 薛威海
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2021-07-06
Anticipated expiration: 2039-04-23
Also published as: CN109972343A

Abstract

The invention discloses a washing machine, relates to the technical field of washing machines, and aims to solve the problems that in the prior art, the operation of opening and closing a door cover of an upper impeller washing drum of a multi-drum washing machine is inconvenient and labor-consuming. The invention relates to a washing machine which comprises a door cover, a box body and a connecting structure, wherein the door cover is rotatably connected with the box body, the connecting structure comprises a push switch, a driving assembly and a controller, the push switch comprises a spring bolt and a lock body assembly, the spring bolt is fixed on the door cover, the lock body assembly comprises a base fixed on the box body and a lock body positioned in the base, the lock body and the base are connected in a sliding mode along the overturning direction of the door cover, the lock body and the spring bolt are arranged oppositely, the driving assembly comprises a first driving piece and a second driving piece, the first driving piece and the second driving piece are connected with the controller, the first driving piece can drive the door cover to overturn, and the second driving piece can drive the. The washing machine of the present invention is used for washing laundry.

Description

Washing machine

Technical Field

The invention relates to the technical field of washing equipment, in particular to a washing machine.

Background

With the continuous development of the technology, the functions of the existing household appliances are more and more, and the classification is more and more detailed, so that different living requirements of people can be met. The three-cylinder washing machine comprises two impeller washing cylinders arranged at the upper part of a box body and a roller washing cylinder arranged at the lower part of the box body, and the height of the box body of the three-cylinder washing machine is higher than that of the box body of the washing machine with only one washing cylinder, so that the operation is inconvenient and labor is wasted when a door cover of the impeller washing cylinder at the upper part is opened and closed.

Disclosure of Invention

The invention provides a washing machine, which is used for solving the problems of inconvenient and labor-consuming operation of opening and closing a door cover of an upper impeller washing drum of a multi-drum washing machine in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a washing machine which comprises a door cover, a box body and a connecting structure, wherein the door cover is rotatably connected with the box body, the connecting structure comprises a push switch, a driving assembly and a controller, the push switch comprises a lock tongue and a lock body assembly, the lock tongue is fixed on the door cover, the lock body assembly comprises a base fixed on the box body and a lock body positioned in the base, the lock body and the base are connected in a sliding mode along the overturning direction of the door cover, the lock body and the lock tongue are arranged oppositely, the driving assembly comprises a first driving piece and a second driving piece, the first driving piece and the second driving piece are connected with the controller, the first driving piece can drive the door cover to overturn, and the second driving piece can drive the lock body to slide in the base.

The washing machine provided by the invention has the advantages that the box body is rotatably connected with the door cover, the connecting structure comprises a push switch, a driving assembly and a controller, a lock tongue of the push switch is fixed on the door cover, a base of the lock body assembly is fixed on the box body, the lock body is connected with the base in a sliding manner along the overturning direction of the door cover, and the lock body is arranged opposite to the lock tongue; when the door cover needs to be closed, the controller controls the first driving piece to drive the door cover to rotate, so that the door cover rotates downwards until a lock tongue on the door cover is locked with the lock body, and then controls the second driving piece to drive the lock body to move from an opening position (when the lock body is positioned at the opening position, a certain gap is formed between the locked door cover and the box body) to a closing position (when the lock body is positioned at the closing position, the locked door cover is flush with the box body), and therefore automatic closing of the door cover and locking of the door cover and the box body are achieved; when the door cover needs to be opened, the controller controls the second driving piece to drive the bolt to move from the closing position to the opening position, and then controls the first driving piece to drive the door cover to rotate and open through the connecting assembly, so that the door cover is separated from the box body until the door cover is opened to a set angle, and the door cover is automatically unlocked and opened. Therefore, the washing machine provided by the embodiment of the invention can be a multi-drum washing machine, the connecting structure is arranged between the door cover and the box body of the impeller washing drum on the upper part of the multi-drum washing machine, and the door cover can be automatically closed, locked and unlocked, so that the operation of a user is convenient, and the door cover has good sealing performance and high safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a three-tub washing machine;

FIG. 2 is a schematic view of a three-tub washing machine with the upper door of the washing tub opened;

fig. 3 is an exploded view of a part of components in a coupling structure of a washing machine according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a push switch in the connection structure of the washing machine according to the embodiment of the present invention;

FIG. 5 is one of the schematic structural views of a part of the coupling structure of the washing machine according to the embodiment of the present invention;

FIG. 6 is a schematic structural view of a lock body in the coupling structure of the washing machine according to the embodiment of the present invention;

FIG. 7 is a schematic structural view of a base in the coupling structure of the washing machine according to the embodiment of the present invention;

FIG. 8 is a second cross-sectional view of a part of the connection structure of the washing machine according to the embodiment of the present invention;

FIG. 9 is a schematic view illustrating a structure in which a first driving member is installed in a cabinet in a coupling structure of a washing machine according to an embodiment of the present invention;

fig. 10 is a partial schematic view of a washing machine according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

In the description of the present invention, "and/or" is only one kind of association relationship describing an association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The washing machine comprises a door cover and a box body, wherein a washing cylinder is arranged in the box body, the door cover is rotatably connected with the box body, the door cover is covered on the washing cylinder before the washing machine runs, and an opening of the washing cylinder is sealed.

Fig. 1 is a schematic structural view of a three-tub washing machine, and fig. 2 is a schematic structural view of a washing tub upper door cover opened at the top of the three-tub washing machine. In the figure, two pulsator washing drums are installed on the upper portion of a cabinet of a three-drum washing machine, and the connection structure is explained in detail by taking the case that the connection structure of the embodiment of the present invention is applied between a door cover above the pulsator washing drum and the cabinet.

Referring to fig. 3 to 7 and 10, the washing machine according to the embodiment of the invention includes a door cover 100, a box 200 and a connection structure, the door cover 100 is rotatably connected to the box 200, the connection structure includes a push-spring switch 1, a driving assembly and a controller, the push-spring switch 1 includes a spring bolt 11 and a lock body assembly 12, the spring bolt 11 is fixed on the door cover 100, the lock body assembly 12 includes a base 121 fixed on the box 200 and a lock body 122 located in the base 121, the lock body 122 is slidably connected to the base 121 along a turning direction of the door cover 100, the lock body 122 is disposed opposite to the spring bolt 11 (i.e., the spring bolt 11 is inserted into the lock body 122 when the door cover 100 is covered), the driving assembly includes a first driving element 2 and a second driving element 3 both connected to the controller, the first driving element 2 can drive the door cover 100 to turn, and the second driving element 3 can drive the lock.

The washing machine provided by the invention has the advantages that the box body 200 is rotatably connected with the door cover 100, the connecting structure comprises a push-spring switch 1, a driving assembly and a controller, a bolt 11 of the push-spring switch 1 is fixed on the door cover 100, a base 121 of a lock body assembly 12 is fixed on the box body 200, a lock body 122 is connected with the base 121 in a sliding manner along the overturning direction of the door cover 100, and the lock body 122 is arranged opposite to the bolt 11; when the door cover 100 needs to be closed, the controller controls the first driving element 2 to drive the door cover 100 to rotate, so that the door cover 100 rotates downwards until the latch bolt 11 on the door cover 100 is locked with the lock body 122, and then controls the second driving element 3 to drive the lock body 122 to move from the open position (when the lock body 122 is located at the open position, namely the position of the solid line lock body in fig. 4, a certain gap still exists between the locked door cover 100 and the box body 200) to the closed position (when the lock body 122 is located at the closed position, namely the position of the broken line lock body in fig. 4, the locked door cover 100 is flush with the box body 200, and the door cover 100 closes the opening of the laundry tub), so that the automatic closing of the door cover 100 and the locking of the door cover 100 and the box body 200 are realized; when the door cover 100 needs to be opened, the controller controls the second driving element 3 to drive the lock body 122 to move from the closed position to the open position, and then controls the first driving element 2 to drive the door cover 100 to rotate and open through the connecting assembly, so that the door cover 100 is separated from the box body 200 until the door cover 100 is opened to a set angle, and therefore automatic unlocking and opening of the door cover 100 are achieved. Therefore, the washing machine of the embodiment of the invention can be a multi-drum washing machine, the connecting structure is arranged between the door cover 100 and the box body 200 of the pulsator washing drum on the upper part of the multi-drum washing machine, and the door cover 100 can be automatically closed, locked and unlocked, so that the operation of a user is convenient, and the door cover 100 has good sealing performance and high safety.

In some embodiments, the lock body 122 is a permanent magnet, and the second driving member 3 is an electromagnet, for example, the second driving member 3 can generate an attractive force to the lock body 122 to slide the lock body 122 in the base 121 toward the closed position (the friction between the lock body 122 and the base 121 is greater than the gravity of the lock body 122, so the lock body 122 cannot move from the open position to the closed position by the gravity), and the second driving member 3 can generate a repulsive force to the lock body 122 to slide the lock body 122 in the base 121 toward the open position. In other embodiments, the second driving member 3 is a motor, and if the door 100 is connected to the box 200 through the hinge 4 and the second driving member 3 is connected to the hinge 4, the second driving member 3 can further drive the door 100 to rotate, so that the latch bolt 11 presses the lock body 122 and slides towards the closed position, or the latch bolt 11 and the lock body 122 slide along the base 121 towards the open position. When the second driving member 3 drives the door cover 100 to rotate, the torque is relatively large, the torque required by the motor is relatively large, and the energy consumption is relatively high, while the second driving member 3 drives the lock body 122 to slide through the magnetic field force, the second driving member 3 can be arranged near the lock body 122, the magnetic field is relatively strong, and the lock body is driven conveniently.

Alternatively, the second driver 3 is mounted outside the base 121, or the second driver 3 is mounted inside the base 121. Since the second driving member 3 is installed outside the base 121, when the second driving member 3 drives the lock body 122 to move, the second driving member is influenced by the base 121, and the magnetic field strength is low. Therefore, the connection structure of the embodiment of the present invention adopts the latter solution, and further, the second driving member 3 is installed between the base 121 and the lock body 122, as shown in fig. 4, a space for placing the second driving member 3 between the lock body 122 and the bolt 11 is not required, and the structure is compact.

Optionally, the lock body 122 is made of an alnico permanent magnetic alloy material, an iron-chromium-cobalt permanent magnetic alloy material, a permanent magnetic ferrite material, a rare earth permanent magnetic material, or a composite permanent magnetic material. The lock body 122 in the embodiment of the invention is made of ferrite magnet material, so that the price is low and the temperature resistance is good.

Further, in order to prevent the door 100 from being accidentally opened (e.g., by a child during the operation of the washing machine) and reduce safety, the push switch 1 in the embodiment of the present invention further includes a positioning member 13, and the positioning member 13 can fix the lock body 122 to the base 121 or separate the lock body 122 from the base 121. For example, after the latch 11 is locked with the lock body 122 and the second driving member 3 drives the lock body 122 to move to the closed position, the lock body 122 is fixed with the base 121 by the positioning member 13, so that the washing machine can start to operate, and in the operation process, the door cover 100 cannot be opened by pressing the push-spring switch, so that the washing machine has high safety; when the washing machine stops operating, after the positioning member 13 disengages the lock body 122 from the base 121, the second driving member 3 can move the lock body 122 of the push-spring switch 1 along the base 121 to the open position, and then the first driving member 2 rotates the door 100 to open.

Optionally, the positioning element 13 is a locking hook, the positioning element 13 is rotatably connected to the box 200, the lock body 122 is provided with a locking slot 1221 matched with the locking hook, the driving assembly further includes a third driving element connected to the controller, the third driving element is in transmission connection with the positioning element 13, and when the lock body 122 is located at the closing position, the third driving element can drive the positioning element 13 to rotate, so that the positioning element 13 is clamped or disengaged from the locking slot 1221. Optionally, the positioning element 13 is a latch, the positioning element 13 is movably connected to the box 200, the lock body 122 is provided with a locking slot 1221 matched with the locking hook, the driving assembly further includes a third driving element connected to the controller, the third driving element is in transmission connection with the positioning element 13, and when the lock body 122 is located at the closing position, the third driving element can drive the positioning element 13 to move, so that the positioning element 13 is clamped or disengaged from the locking slot 1221. It should be noted that: when the controller is powered off, the third driving member drives the positioning member 13 to disengage from the locking slot 1221.

Further, a reset member 123 is further disposed in the base 121, the reset member 123 is respectively connected to the lock body 122 and the base 121, and the reset member 123 can apply a force to the lock body 122 in a direction toward the opening of the door 100. When the controller of the washing machine is powered off, a user can manually press the door cover 100, the bolt 11 is locked with the lock body 122 and moves to the closing position, and after the user releases the door cover 100, the lock body 122 stops at the closing position; when the user presses the door 100 again, the reset member 123 is compressed or stretched, and after the user releases the door 100, the lock body 122 returns to the open position under the action of the reset member 123, and the user opens the door 100 again manually.

It should be noted that: the push-spring switch 1 further includes a moving needle 124, the lock body 122 is provided with a guide slot 1222, a first end 124a of the moving needle 124 is fixedly connected with the base 121, a second end 124b is slidably connected with the guide slot 1222, the guide slot 1222 includes a sliding-in section 1222a, a hooking section 1222b and a sliding-out section 1222c, which are sequentially connected end to end, as shown in fig. 5 to 6. When the second end 124b of the moving needle 124 moves from the slide-in section 1222a to the hooking section 1222b, the lock body 122 moves from the open position to the closed position; when the second end 124b of the moving needle 124 moves from the hooking section 1222b to the sliding-out section 1222c, the lock body 122 moves from the closed position to the open position. Furthermore, the lock body 122 is further provided with a claw 1223, the base 121 is provided with a sliding slot 1211 extending along the opening direction of the door cover 100, and the claw 1223 is slidably connected with the sliding slot 1211, so as to achieve the sliding connection between the lock body 122 and the base 121.

Further, the connection structure in the embodiment of the present invention further includes a hinge 4 and a damper 5, the hinge 4 rotatably connects the box 200 and the door 100, one end of a hinge shaft 41 in the hinge 4 is connected to the damper 5, and the other end is connected to the first driving member 2, as shown in fig. 8 to 9, the damper 5 can make the door 100 slow in opening and closing, so as to avoid the door 100 from being hit by too fast opening or closing, which causes loud noise or damages to the door 100, and affects user experience.

When the power is off, a user needs to manually open the door 100, and if the box body 200 is too high, the manual opening and closing of the door 100 is inconvenient, so the connecting assembly in the embodiment of the invention further comprises the auxiliary opening structure 6, the auxiliary opening structure 6 can apply an acting force towards the opening direction to the door 100, and when the user opens the door 100, the auxiliary opening structure 6 can push the door 100 to open to a certain angle, so that the user can operate more conveniently.

Optionally, the auxiliary lid opening structure 6 may be a torsion spring, and the torsion spring is sleeved on the hinge shaft 41 of the hinge 4, or the auxiliary lid opening structure 6 is a compression spring, one end of the compression spring is connected to the door lid 100, and the other end of the compression spring is connected to the box 200. The embodiment of the invention adopts the scheme of the former, is convenient to connect and has reliable acting force.

It should be noted that: the connecting structure further comprises a hinge pressing plate 7, and the hinge pressing plate 7 can connect the first driving piece 2, the hinge 4, the damper 5 and the surrounding frame 201 of the box body 200 together through screws, and simultaneously strengthen the strength of the surrounding frame 201 in the box body 200.

Further, in order to prevent the problem that the user forgets to take the hand away after pressing the operation key of the washing machine, so that the door 100 is damaged by the hand, the first driving member 2 according to the embodiment of the present invention is a motor, a speed sensor is disposed in the controller, the speed sensor is configured to detect the rotation speed of the first driving member 2, and when the door 100 is rotated to close and the rotation speed detected by the speed sensor decreases by a set value (for example, when the door 100 is clamped by the hand, so that the rotation speed of the motor decreases by the set value), the controller controls the first driving member 2 to rotate reversely, so as to avoid the problem that the door 100 is closed and the hand is damaged by the hand. After controlling the first driving member 2 to rotate reversely to make the door 100 reach a set angle, the controller controls the first driving member 2 to rotate reversely until the door 100 is closed. In addition, when the power is off, the connecting structure is provided with the torsion spring and the damper 5, so that the problem of hand clamping cannot occur.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A washing machine comprises a door cover, a box body and a connecting structure, wherein the door cover is rotatably connected with the box body, and the washing machine is characterized in that the connecting structure comprises a push switch, a driving assembly and a controller, the push switch comprises a lock tongue and a lock body assembly, the lock tongue is fixed on the door cover, the lock body assembly comprises a base fixed on the box body and a lock body positioned in the base, the lock body and the base are in sliding connection along the overturning direction of the door cover, the lock body and the lock tongue are oppositely arranged, the driving assembly comprises a first driving piece and a second driving piece which are connected with the controller, the first driving piece can drive the door cover to overturn, and the second driving piece can drive the lock body to slide in the base;

when the door cover is closed, after the lock tongue is locked with the lock body, the second driving piece is controlled to drive the lock body to move from the opening position to the closing position.

2. A washing machine as claimed in claim 1 wherein the lock body is a permanent magnet and the second driving member is an electromagnet, the second driving member being adapted to generate an attractive or repulsive force on the lock body to cause the lock body to slide within the base.

3. A washing machine as claimed in claim 2 wherein the second drive member is located within the base.

4. The washing machine as claimed in claim 2, wherein the lock body is made of an alnico system permanent magnet alloy material, an iron-chromium-cobalt system permanent magnet alloy material, a permanent magnetic ferrite material, a rare earth permanent magnet material, or a composite permanent magnet material.

5. The washing machine as claimed in claim 1, wherein the push switch further comprises a positioning member for fixing or releasing the lock body to or from the base.

6. The washing machine as claimed in claim 1, wherein a reset member is further disposed in the base, the reset member is respectively connected to the lock body and the base, and the reset member is capable of applying an acting force to the lock body in a direction toward the door opening direction.

7. The washing machine as claimed in claim 1, further comprising a hinge rotatably connecting the cabinet with the door, and a damper, wherein one end of a hinge shaft of the hinge is connected to the damper and the other end is connected to the first driving member.

8. The washing machine as claimed in claim 1 or 7, further comprising an auxiliary door-opening structure capable of applying a force toward an opening direction to the door.

9. The washing machine as claimed in claim 1, wherein the first driving member is a motor, a speed sensor is provided in the controller, the speed sensor is configured to detect a rotational speed of the first driving member, and the controller controls the first driving member to rotate in reverse when the door is rotated to close and the rotational speed detected by the speed sensor is reduced by a set value.