CN109518399B

CN109518399B - Pulsator washing machine

Info

Publication number: CN109518399B
Application number: CN201811534487.6A
Authority: CN
Inventors: 王莹莹; 刘振华; 林修鹏
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-07-07
Anticipated expiration: 2038-12-14
Also published as: WO2020119524A1; CN109518399A

Abstract

The invention discloses an impeller type washing machine, relates to the technical field of washing machines, and can solve the problems that a door cover device of the conventional impeller type washing machine can cause clothes to generate peculiar smell and influence user experience. The rotary drum washing machine comprises a box body and a base fixedly arranged on the box body, wherein a clothes taking and placing opening used for being communicated with an inner barrel of the rotary drum washing machine is formed in the base, a door cover is hinged to the base and rotates relative to the base to open or close the clothes taking and placing opening, the rotary drum washing machine further comprises a first elastic piece and a locking unit, the door cover rotates towards a closing position to enable the first elastic piece to accumulate force to generate resetting force, the locking unit is used for locking the door cover when the door cover closes the clothes taking and placing opening, and when the door cover is unlocked by the locking unit, the resetting force is released to drive the door cover to open the clothes taking and placing opening. The invention is used for washing clothes.

Description

Pulsator washing machine

Technical Field

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

Background

Most of the existing pulsator washing machines are opened by lifting a door cover by hands. Such a door cover device has the following disadvantages and shortcomings:

1. after washing the clothes, if the clothes are not taken out in time, peculiar smell can be generated in the barrel;

2. if the door closure is a glass door closure, the force required for opening the door is large, and the user experience is influenced.

Disclosure of Invention

The embodiment of the invention provides a pulsator washing machine, which can solve the defects of the door cover device of the conventional pulsator washing machine.

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

the embodiment of the invention provides a pulsator washing machine, which comprises a box body and a base fixedly arranged on the box body, wherein a clothes taking and placing opening communicated with an inner barrel of the pulsator washing machine is formed in the base, a door cover is hinged to the base and rotates relative to the base to open or close the clothes taking and placing opening, the pulsator washing machine further comprises a first elastic piece and a locking unit, the door cover rotates towards a closing position to enable the first elastic piece to accumulate force to generate resetting force, the locking unit is used for locking the door cover when the door cover closes the clothes taking and placing opening, and when the door cover is unlocked by the locking unit, the resetting force is released to drive the door cover to open the clothes taking and placing opening.

The impeller washing machine provided by the embodiment of the invention comprises a box body and a base fixedly arranged on the box body, wherein a clothes taking and placing opening communicated with an inner barrel of the impeller washing machine is formed in the base, a door cover is hinged on the base and rotates relative to the base to open or close the clothes taking and placing opening, the impeller washing machine also comprises a first elastic piece and a locking unit, the door cover rotates to a closing position to enable the first elastic piece to accumulate force to generate resetting force, the locking unit is used for locking the door cover when the door cover closes the clothes taking and placing opening, when the door cover is unlocked by the locking unit, the resetting force is released to drive the door cover to open the clothes taking and placing opening, therefore, the door cover is in a closing state in the clothes washing process (at the moment, the first elastic piece accumulates force to generate the resetting force), and the door cover is locked on the base by the locking unit when in the closing state, after washing the clothes, be the open mode through the unblock of program control locking unit with the door closure, the door closure can be opened under the power of resetting of first elastic component, and the clothing can fully contact with the outside air in the bucket like this to prevent that the clothing from taking out the problem that the peculiar smell appears because of untimely, suggestion user's clothes has been washed simultaneously, moreover, the unblock of door closure and the automatic completion of motion that resets after the clothing washing is accomplished, need not user manual operation, improved user experience.

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 pulsator washing machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a door cover device of a pulsator washing machine according to an embodiment of the present invention;

FIG. 3 is another schematic angle view of FIG. 2;

FIG. 4 is a schematic view illustrating a locking unit locking a door cover in a pulsator washing machine according to an embodiment of the present invention;

FIG. 5 is a schematic view of a locking unit in a pulsator washing machine according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a manual unlocking unit in the pulsator washing machine before unlocking a door cover according to the embodiment of the present invention;

FIG. 7 is a schematic diagram of the pulsator washing machine after the door is unlocked by the manual unlocking unit according to the embodiment of the present invention;

FIG. 8 is a schematic view of a guide rail in a pulsator washing machine according to an embodiment of the present invention;

FIG. 9 is a schematic view of a torsion spring and a damper in the pulsator washing machine according to the 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 partial embodiments of the present invention, and not full 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 is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

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

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; 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.

Fig. 1 to 9 show a specific embodiment of a pulsator washing machine according to an embodiment of the present invention, the pulsator washing machine in this embodiment includes a casing 200 and a base 1 fixedly disposed on the casing 200, the base 1 is provided with a laundry access opening 11 for communicating with an inner tub of the pulsator washing machine, the base 1 is hinged to a door 2, the door 2 rotates relative to the base 1 to open or close the laundry access opening 11, the pulsator washing machine further includes a first elastic member 3 and a locking unit 4, the door 2 rotates to a closed position to store a force on the first elastic member 3 to generate a resetting force, the locking unit 4 is configured to lock the door 2 when the door 2 closes the laundry access opening 11, and when the door 2 is unlocked by the locking unit 4, the resetting force is released to overcome a gravity of the door 2 to open the laundry access opening 11.

The embodiment of the invention provides a pulsator washing machine, which comprises a box body 200 and a base 1 fixedly arranged on the box body 200, wherein a clothes taking and placing opening 11 communicated with an inner barrel of the pulsator washing machine is formed in the base 1, a door cover 2 is hinged on the base 1, the door cover 2 rotates relative to the base 1 to open or close the clothes taking and placing opening 11, the pulsator washing machine also comprises a first elastic piece 3 and a locking unit 4, the door cover 2 rotates to a closing position to enable the first elastic piece 3 to accumulate force to generate resetting force, the locking unit 4 is used for locking the door cover 2 when the door cover 2 closes the clothes taking and placing opening 11, when the door cover 2 is unlocked by the locking unit 4, the resetting force is released to drive the door cover 2 to open the clothes taking and placing opening 11, therefore, the door cover 2 is in a closing state in a clothes washing process (at the moment, the first elastic piece 3 accumulates force to generate the resetting force), the door cover 2 is locked on the base 1 by the locking unit 4 in the closing state, after washing the clothes, be the open mode through the unblock of program control locking unit 4 with door closure 2, door closure 2 can be opened under the effect of the power that resets of first elastic component 3, the bucket interior clothing can fully contact with the outside air like this to prevent that the clothing from appearing the problem of peculiar smell because of untimely taking out, suggestion user's clothes has been washed simultaneously, moreover, the unblock of door closure 2 and the motion of resetting are automatic to be accomplished after the clothing washing is accomplished, need not user manual operation, user experience has been improved.

Specifically, referring to fig. 4 and 5, the door cover 2 is provided with an opening 21, the locking unit 4 includes a latch 41 and an electromagnet 42, the latch 41 and the electromagnet 42 are connected by a second elastic member 43 (in fig. 5, the second elastic member 43 is a compression spring, and the compression spring may be fixed as shown in fig. 5 or may be sleeved on the latch 41), when the door cover 2 closes the laundry loading/unloading opening 11, the latch 41 extends into the opening 21 to lock the door cover 2, and when the electromagnet 42 is powered on, the latch 41 may be moved out of the opening 21 by the adsorption force of the electromagnet 42 against the elastic force of the second elastic member 43, so as to unlock 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 wrapping the coil, the latch 41 is arranged coaxially with the coil, the latch 41 is preferably made of metal iron, when the coil is energized, the iron core 421 is magnetized, the latch 41 can be driven by suction to move out of the opening 21 against the elastic force of the second elastic member 43, wherein the direction of moving out of the opening 21 is specifically shown in the direction U in fig. 4 and 5.

On the basis of the above embodiments, in this embodiment, the first inclined surface a is disposed at one end of the latch tongue 41 close to the opening 21, when the door cover 2 rotates to the closed position, the door cover 2 may press the first inclined surface a, so that the latch tongue 41 moves in the direction away from the door cover 2 against the elastic force of the second elastic member 43, and thus the door cover 2 may continue to rotate to the closed position to be smoothly closed, when the opening 21 on the door cover 2 is opposite to the latch tongue 41, the latch tongue 41 extends into the opening 21 under the elastic force of the second elastic member 43, so as to lock the door cover 2, wherein the direction of extending into the opening 21 specifically refers to the V direction in fig. 4 and 5.

In order to enable the door 2 to be opened when the electromagnet 42 is not energized, the pulsator washing machine in the present embodiment further includes a manual unlocking unit 5, and the manual unlocking unit 5 enables the latch tongue 41 to move out of the opening 21 against the elastic force of the second elastic member 43 through manual operation, so that the door 2 can be manually unlocked, and the door 2 can be opened when the electromagnet 42 is not energized.

In one embodiment of the present invention, the manual unlocking unit 5 is a lever structure, and one end of the lever is manually pressed, so that the other end of the lever acts on the end of the latch tongue 41 far away from the door cover 2, thereby pulling the latch tongue 41, and moving the latch tongue 41 out of the opening 21 against the elastic force of the second elastic member 43.

In another embodiment of the present invention, referring to fig. 6 and 7, the locking tongue 41 is provided with a second inclined surface B, the manual unlocking unit 5 is a pressing member, the pressing member is movable relative to the base 1, the second inclined surface B is located on a movement track of the pressing member, and when the pressing member is pressed manually, the pressing member can press the second inclined surface B, so that the locking tongue 41 is moved 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 reset member 54, the fixing plate 51 is fixed relative to the base 1, the pressing shaft 53 passes through the fixing plate 51, and the reset member 54 is sleeved on the pressing shaft 53 and is located between the pressing cover 52 and the fixing plate 51, so that when the pressing cover 52 is manually pressed, the pressing cover 52 and the pressing shaft 53 can move together in a direction close to the second inclined plane B, the pressing shaft 53 can press the second inclined plane B, so that the latch tongue 41 can move 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 can reset under the action of the reset member 54.

Referring to fig. 8, the base 1 includes a control panel 12, a guide rail 6 is disposed below the control panel 12, the locking unit 4 and the pressing member are disposed in a space below the control panel 12, the fixing plate 51 is fixed at a front position of the base 1 below the control panel 12, and the pressing shaft 53 moves along the guide rail 6, so that the movement stability of the pressing shaft 53 is improved, and the pressing shaft 53 is ensured to better extrude the second inclined surface B.

The first elastic element 3 is implemented in many ways, for example, the first elastic element 3 may be a tension spring, one end of the tension spring is fixed with the door cover 2, the other end of the tension spring is fixed with the base 1, the rotation of the door cover 2 to the closed position can enable the tension spring to be stretched, so as to store force, and when the locking unit 4 unlocks the door cover 2, the reset 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, the torsion spring is sleeved on the hinge shaft 7 of the door cover 2 and the base 1 (the torsion spring may be provided on the hinge shaft 7 on one side, or on the hinge shafts 7 on both sides, as shown in fig. 9), one end C of the torsion spring close to the base 1 is fixed to the base 1, the other end D is separable from the door cover 2, the torsion spring can be compressed by rotating the door cover 2 to the closing position, so as to store power, when the door cover 2 is unlocked by the locking unit 4, the restoring force of the torsion spring can drive the door cover 2 to open a certain angle a, the door cover 2 is separated from the torsion spring when being opened above the angle a, and the torsion spring does not exert any more function.

Further, the buffer 8 is arranged on the hinge shaft 7, and the buffer 8 is used for stopping the door cover 2 when the door cover 2 is separated from the torsion spring, so that if a user wants to open the door cover 2 at a large angle, the user only needs to manually push the door cover 2 on the basis of the current stopping angle a of the door cover 2, and the door cover 2 can be stopped at a larger angle.

The closing/opening process of the door cover device 100 of the pulsator washing machine according to the embodiment of the present invention is as follows:

1. manually closing the door cover 2, pressing a first inclined plane A on the bolt 41 along the lower edge of the door cover 2 to enable the bolt 41 to retract towards the direction close to the electromagnet 42, when the opening 21 on which the door cover 2 falls is opposite to the bolt 41, the bolt 41 stretches into the opening 21 under the action of the elastic force of the second elastic piece 43 to clamp the opening 21, the door cover 2 is in a closed state, and the washing machine starts to run; when the program is finished or suspended, the control panel 12 sends a pulse signal to the coil of the electromagnet 42 to generate an electromagnetic field, the latch 41 can move out of the opening 21 under the action of the attraction force of the electromagnet 42, the door 2 can be opened to the angle a under the action of the torsion spring and is stopped without falling, and if a user wants to make the opening angle of the door 2 larger, the user needs to manually push the door 2.

2. When the door cover 2 is not energized, if a certain force is applied to the pressing cover 52 on the pressing piece to open the door cover 2, the pressing shaft 53 acts on the second inclined surface B on the latch tongue 41, so that the latch tongue 41 can be separated from the opening 21 on the door cover 2, and the door cover 2 can be opened under the action of the torsion spring.

Other structures of the pulsator washing machine according to the embodiment of the present invention are well known to those skilled in the art, and will not be described in detail herein.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within 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 rotary drum washing machine comprises a box body and a base fixedly arranged on the box body, wherein a clothes taking and placing opening used for being communicated with an inner barrel of the rotary drum washing machine is formed in the base, a door cover is hinged to the base and rotates relative to the base to open or close the clothes taking and placing opening, the rotary drum washing machine is characterized by further comprising a first elastic piece and a locking unit, the door cover rotates towards a closing position to enable the first elastic piece to accumulate force to generate resetting force, the locking unit is used for locking the door cover when the door cover closes the clothes taking and placing opening, and when the door cover is unlocked by the locking unit, the resetting force is released to drive the door cover to open the clothes taking and placing opening;

the door cover is provided with an opening, the locking unit comprises a lock tongue and an electromagnet, the lock tongue and the electromagnet are connected through a second elastic piece, when the door cover closes the clothes taking and placing opening, the lock tongue extends into the opening to lock the door cover, and when the electromagnet is electrified, the adsorption force of the electromagnet can enable the lock tongue to overcome the elastic force of the second elastic piece to move out of the opening;

the spring bolt is provided with a first inclined surface, the spring bolt is provided with a second inclined surface, the manual unlocking unit is a pressing piece, the pressing piece can move relative to the base, the second inclined surface is located on the motion track of the pressing piece, and when the pressing piece is pressed, the pressing piece can extrude the second inclined surface, so that the spring bolt overcomes the elasticity of the second elastic piece and moves out of the opening.

2. The pulsator washing machine as claimed in claim 1, wherein a first inclined surface is provided at an end of the latch bolt adjacent to the opening, and when the door cover rotates to the closed position, the door cover can press the first inclined surface to move the latch bolt in a direction away from the door cover against the elastic force of the second elastic member, and when the latch bolt is opposite to the opening, the latch bolt extends into the opening under the elastic force of the second elastic member.

3. The pulsator washing machine according to claim 1, wherein the pressing member includes a fixing plate fixed with respect to the base, a pressing cap, a pressing shaft disposed through the fixing plate, and a resetting member sleeved on the pressing shaft and located between the pressing cap and the fixing plate.

4. The pulsator washing machine according to claim 3, wherein the base includes a control panel, a guide rail is provided below the control panel, and the pressing shaft moves along the guide rail.

5. The pulsator washing machine according to claim 1, wherein the first elastic member is a torsion spring, the torsion spring is sleeved on the hinge shaft of the door cover and the base, one end of the torsion spring close to the base is fixed to the base, and the other end of the torsion spring is separable from the door cover.

6. The pulsator washing machine according to claim 5, wherein a buffer is provided on the hinge shaft, the buffer being used to stop the door cover when the door cover is separated from the torsion spring.