CN111485378B

CN111485378B - Drum washing machine

Info

Publication number: CN111485378B
Application number: CN201910071554.3A
Authority: CN
Inventors: 李以民; 刘海涛; 赵志强; 劳春峰; 许升
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2022-08-30
Anticipated expiration: 2039-01-25
Also published as: CN111485378A; WO2020151555A1

Abstract

The invention discloses a drum washing machine, which comprises an outer drum and an inner drum sleeved in the outer drum, wherein a feeding opening for feeding clothes is formed in the inner drum, an opening corresponding to the feeding opening is formed in the outer drum, a first door body for sealing the opening is correspondingly installed at the opening of the outer drum, a second door body corresponding to the sealed feeding opening is installed on the inner drum, a linkage mechanism is arranged between the first door body and the second door body, and when the first door body is closed or the opening of the outer drum is opened, the second door body turns over along with the first door body to correspondingly seal or open the feeding opening of the inner drum. The invention ensures that the inner part of the inner barrel is in a closed state in the washing process, prevents water in the inner barrel from being splashed onto the inner wall of the outer barrel through the feeding port, and realizes the purpose of no cleaning of the washing machine.

Description

Drum washing machine

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a drum washing machine.

Background

The drum washing machine comprises an inner drum and an outer drum, a gap is formed between the inner drum and the outer drum, washing dirt can be generated in the gap after the washing machine is used for a long time, the washing dirt is accumulated on the outer wall of the inner drum and the inner wall of the outer drum, bacteria can be generated to harm the health of a user, and the washing efficiency of the washing machine and the cleanliness of clothes after washing are reduced. Because the inner and outer barrels are mutually sleeved, a user cannot clean the outer wall of the inner barrel and the inner wall of the outer barrel, and only the inner barrel is disassembled to be cleaned, so that the operation is difficult. In order to solve the problems, many washing machine manufacturers provide a drum self-cleaning function on the drum, generally, more water is injected into the drum and heated, and meanwhile, the inner drum rotates at a speed higher than 50rpm, so that although a certain cleaning effect is achieved, dirt accumulated on the outer wall of the inner drum and the inner wall of the outer drum cannot be completely removed.

People propose a nonporous washing machine, wherein an inner cylinder can contain water and clothes and can rotate to turn over and wash the clothes, but the water in the inner cylinder can be splashed to an opening of an outer cylinder from a throwing opening, and how to realize water inlet and water drainage after the nonporous inner cylinder is adopted is also a problem to be solved.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a roller washing machine.A linked door body is arranged at the opening parts of an outer cylinder and an inner cylinder, and the roller washing machine aims to seal a feeding hole of the inner cylinder and prevent water in the inner cylinder from being sputtered between the inner cylinder and the outer cylinder from the feeding hole.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a be applied to drum type washing machine's door body, drum type washing machine includes urceolus and the inside inner tube of suit in the urceolus, is equipped with the mouth of putting in that is used for putting in the clothing on the inner tube, be equipped with on the urceolus with put in mouthful corresponding uncovered of mouthful, the uncovered department of urceolus corresponds installs the open first door body of closed, install on the inner tube and seal the second door body of putting in mouthful, set up link gear between the first door body and the second door body, when the first door body is closed, or open the uncovered of urceolus, the second door body follows the upset of the first door body and corresponds the mouth of putting in of closed, or open the inner tube.

Further, the second door body is sealed with the inner cylinder and fixedly connected after the feeding opening is closed, and the second door body can rotate relative to the first door body.

Furthermore, the second door body is in sealing connection with the inner cylinder in a relatively rotatable manner after the feeding port is closed.

Furthermore, a first sealing ring for sealing and playing a role of buffering is arranged between the periphery of the first door body and the opening of the outer barrel, and a second sealing ring is arranged between the periphery of the second door body and the inner barrel feeding opening.

Further, the linkage mechanism comprises a first connecting end and a second connecting end which are matched with each other and are spliced, the first connecting end protrudes and extends from the center of the first door body to one side of the second door body, the second connecting end protrudes and extends from the center of the second door body to one side of the first door body, and the first connecting end and the second connecting end are spliced and fixed; preferably, the first connecting end and the second connecting end are rotatably connected in an inserted manner, and a rotating shaft at the inserted connection position is coaxial with the throwing port.

Further, the first connecting end is a cylinder, the second connecting end is a groove with an opening, the opening faces the first door body, and the cylinder is correspondingly inserted into the groove from the opening.

Furthermore, the first connecting end is a groove with an opening, the opening faces the second door body, the second connecting end is a cylinder, and the cylinder is correspondingly inserted into the groove from the opening.

Further, a rolling device is arranged between the first connecting end and the second connecting end.

Further, the first door body comprises a front plate and a rear plate which are connected in parallel, the front plate corresponds to the opening of the closed outer barrel, the rear plate is arranged between the front plate and the second door body, the rear plate can generate front and rear displacement relative to the front plate, and a first connecting end is arranged on one side of the rear plate, which faces the second door body.

Furthermore, a certain gap is formed between the front plate and the rear plate, a spring extending along the axial direction of the putting-in opening is arranged between the front plate and the rear plate, and two ends of the spring are respectively connected with the front plate and the rear plate; preferably, a telescopic pipe capable of generating telescopic deformation is arranged between the peripheries of the front plate and the rear plate, and two ends of the telescopic pipe are respectively and fixedly connected with the peripheries of the front plate and the rear plate in a sealing manner.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. The linkage door bodies are arranged at the opening part of the outer barrel and the feeding hole part of the inner barrel, so that the sealing performance of the inner barrel is guaranteed, when the first door body is closed or opened, the second door body is driven to be closed or opened at the same time, the outer part of the inner barrel is closed or opened at the same time, the water in the inner barrel is prevented from being splashed out from the feeding hole in the washing process, and the purpose that the washing machine is free of cleaning is achieved.

2. The second door body can rotate relative to the first door body, and after the second door body is closed, the second door body rotates along with the inner barrel, the first door body and the second door body do not influence the rotation of the inner barrel to realize the washing and dehydration functions, and the structure is simple.

3. The sealing ring is arranged between the periphery of the first door body and the opening of the outer barrel, the sealing ring can seal the opening of the outer barrel, the impact force of the door body on the washing machine can be buffered when the door body is closed, the sealing ring replaces a window pad in the original drum washing machine, and the washing machine is simple in structure and convenient to clean.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a drum washing machine according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an enlarged schematic view at B in fig. 1.

Description of the main elements in the figures: 1. a housing; 10. decorating the door; 2. an outer cylinder; 20. a first door body; 21. a spring; 22. a first connection end; 23. a rolling device; 24. a telescopic pipe; 3. an inner barrel; 30. a second door body; 31. a second connection end; 4. a drive device; 40. a water inlet flow passage; 41. a motor shaft; 42. a communicating member; 5. a water inlet valve; 6. a detergent dispensing device; 7. a heating device; 8. draining pump; 9. a lifting device; 90. a housing; 91. a valve plug; 92. a weight; 93. an opening; 94. a water collection device; 95. a return spring.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the drum washing machine according to the embodiment of the present invention includes a housing 1, an outer tub 2, and an inner tub 3 sleeved inside the outer tub 2, wherein the inner tub 3 can be horizontally installed inside the housing 1 by the outer tub 2, the inner tub 3 can rotate around its own axis, the inner tub 3 is provided with a feeding opening for feeding clothes, the outer tub 2 is provided with an opening corresponding to the feeding opening, the outer tub 2 is provided with a first door 20 for closing the opening, the first door 20 is hermetically connected to the opening of the outer tub 2, the inner tub 3 is provided with a second door 30 corresponding to the closing feeding opening, the second door 30 is hermetically connected to the feeding opening of the inner tub 3, a linkage mechanism is provided between the first door 20 and the second door 30, when the first door 20 is pulled to turn outwards to open the opening of the outer tub 2, the second door 30 turns outwards along with the first door 20, when the first door body 20 is pushed to close the opening of the outer cylinder 2, the second door body 30 turns over the corresponding closed inner cylinder 3 throwing opening along with the first door body 20.

In the embodiment of the invention, after the first door body 20 and the second door body 30 are closed, the second door body 30 is hermetically connected with the inner cylinder 3 in a fixed and sealed manner, the second door body 30 rotates along with the inner cylinder 3, the first door body 20 is fixed on the outer cylinder 2, and the second door body 30 can rotate relative to the first door body 20.

In the embodiment of the invention, after the first door body 20 and the second door body 30 are closed, the first door body 20 and the second door body 30 are fixedly connected, and the second door body 30 is in sealing connection with the periphery of the input opening of the inner barrel 3 in a relatively rotatable manner.

In the embodiment of the invention, a first sealing ring for buffering and sealing is arranged between the periphery of the first door body 20 and the opening of the outer cylinder 2, and a second sealing ring is arranged between the periphery of the second door body 30 and the feeding opening of the inner cylinder 3.

Example one

As shown in fig. 1, the drum washing machine according to the embodiment includes a casing 1, an outer cylinder 2 and an inner cylinder 3 are installed in the casing 1 in a sleeved manner, a decorative door 10 is installed at a position corresponding to a throwing-in opening of the inner cylinder 3 on the casing 1, a first door body 20 is installed at a position corresponding to the decorative door 10 and at an opening of the outer cylinder 2, a second door body 30 is installed at a position corresponding to the decorative door 10 and at a throwing-in opening of the inner cylinder 3, a linkage mechanism is arranged between the first door body 20 and the second door body 30, the first door body 20 and the second door body 30 can be opened or closed at the same time, the first door body 20 is adapted to the opening shape of the outer cylinder 2, the second door body 30 is adapted to the shape of the throwing-in opening of the inner cylinder 3, and the first door body 20 is coaxially and fixedly connected to the second door body 30.

In this embodiment, the periphery of the first door 20 extends outward along the radial direction, one side of the first door 20 is attached to the opening of the outer tub 2, a first sealing ring is arranged between the periphery of the first door 20 and the opening of the outer tub 2, the first sealing ring plays a role in sealing the opening of the outer tub 2, and further prevents the door from causing large impact on the inner tub 3 when the door is closed, and the first sealing ring replaces a window gasket structure in the original drum washing machine, so that the structure is simplified, and the washing is facilitated. The periphery of the second door body 30 extends towards the inclined flaring of the first door body 20, the periphery of the second door body 30 is abutted against the putting-in opening of the inner cylinder 3, at least one part of the second door body 30 is positioned in the putting-in opening, and a second sealing ring is arranged between the periphery of the second door body 30 and the putting-in opening of the inner cylinder 3, so that the second door body is in sealing connection with the inner cylinder, and water in the inner cylinder 3 is prevented from flowing out.

In this embodiment, the linkage mechanism includes a first connection end 22 fixed on the first door 20 and a second connection end 31 fixed on the second door 30, which are mutually engaged and inserted, the first connection end 22 protrudes and extends from the center of the first door 20 to one side of the second door 30, the second connection end 31 protrudes and extends from the center of the second door 30 to one side of the first door 20, and the first connection end 22 and the second connection end 31 can be relatively rotatably connected. A rolling device 23 is arranged between the first connecting end 22 and the second connecting end 31, the rolling device 23 and the putting-in port are coaxially arranged, preferably, the rolling device 23 is a bearing, an inner ring of the bearing is sleeved on the first connecting end 22, and the second connecting end 31 is sleeved on an outer ring of the bearing; or, the bearing inner ring is sleeved on the second connecting end 31, and the first connecting end 22 is sleeved on the bearing outer ring. The first connecting end 22 is a cylinder, the second connecting end 31 is a groove with an opening, the opening faces the first door body 20, the cylinder is correspondingly inserted into the groove from the opening, a shaft shoulder is arranged at one end of the cylinder close to the door body, a rolling device 23 is sleeved on the cylinder, the shaft shoulder limits the rolling device 23, and the extension length of the groove is smaller than that of the cylinder; or, the first connection end 22 is a groove with an opening facing the second door 30, and the second connection end 31 is a cylinder which is inserted into the groove from the opening.

In this embodiment, the first door 20 includes a front plate and a rear plate connected in parallel, the rear plate can move back and forth relative to the front plate, the diameter of the front plate is larger than that of the rear plate, the front plate corresponds to the opening of the closed outer cylinder 2, the rear plate is disposed between the front plate and the second door 30, a first connection end 22 is disposed on one side of the rear plate facing the second door 30, a second connection end 31 connected to the first connection end 22 in a matching manner is disposed on the second door 30, and a rolling device 23 is disposed between the first connection end 22 and the second connection end 31, so that the second door 30 rotates relative to the first door 20.

In this embodiment, a certain gap is formed between the front plate and the rear plate, a spring 21 extending along the axial direction of the input port is installed between the front plate and the rear plate, and two ends of the spring 21 are respectively connected with the front plate and the rear plate. The peripheries of the front plate and the rear plate are provided with a telescopic pipe 24 which can generate telescopic deformation, and two ends of the telescopic pipe 24 are respectively connected with the peripheries of the front plate and the rear plate in a sealing way.

Example two

The drum washing machine in this embodiment may be a nonporous washing machine or a common drum washing machine, and in this embodiment, the nonporous washing machine is taken as an example, and after the end of the feeding opening of the inner drum 3 is sealed, the problem of water inflow and drainage of the nonporous inner drum 3 needs to be solved, as shown in fig. 1 and fig. 2, the drum washing machine includes a driving device 4, the bottom of the inner drum 3 is in transmission connection with the driving device 4 through a motor shaft 41, and the motor shaft 41 is hollow to form a water inflow channel 40.

In this embodiment, the water inlet channel 40 is connected to a water inlet device, which includes a water inlet valve 5 for automatically controlling water inlet of the inner barrel 3, a detergent feeding device 6, and a heating device 7, and feeds water into the inner barrel 3.

In this embodiment, one end of the motor shaft 41 extends out of the driving device 4, the motor shaft 41 and the extending end are rotatably mounted on the communicating member 42 through a bearing, the communicating member 42 has a communicating channel therein, the communicating channel is communicated with the water inlet flow passage 40 and the water inlet device, and the detergent feeding device 6 and the heating device 7 are sequentially connected between the communicating channel and the water inlet valve 5.

In this embodiment, the outer cylinder 2 is installed in the housing 1 through the damping device, one end of the outer cylinder 2 is open, one end is closed, the inner cylinder 3 is sleeved inside the outer cylinder 2, the putting-in opening of the inner cylinder 3 is consistent with the opening direction of the outer cylinder 2, one end of the motor shaft 41 penetrates through the inner cylinder 3, the other end is rotatably supported on the bottom wall of the outer cylinder 2, the outer cylinder 2 plays a role in supporting and damping the inner cylinder 3, the working stability of the washing machine is ensured, the first door body 20 is installed at the opening of the outer cylinder 2, the second door body 30 is installed at the putting-in opening of the inner cylinder 3, the first door body 20 is connected with the opening of the outer cylinder 2 in a sealing manner, and the second door body 30 is connected with the putting-in opening of the inner cylinder 3 in a sealing manner.

In this embodiment, the damping device includes a damping spring and a damper, the damping spring is installed on the side wall of the top of the outer cylinder 2, one end of the damping spring is fixed on the outer shell 1, the other end of the damping spring is hooked on the side wall of the outer top, and the damper is installed in the middle of the side wall of the bottom of the supporting seat.

EXAMPLE III

As shown in fig. 1 and 3, in the embodiment, the inner tub 3 is a holeless inner tub 3, the input opening of the inner tub 3 is closed by a door, and a plurality of lifting ribs are uniformly distributed on the side wall of the inner tub 3, during the operation of the drum washing machine, the inner tub 3 drives the lifting device 9 to rotate, and the lifting device 9 rotates along with the inner wall of the inner tub 3, so that the clothes in the inner tub 3 are lifted upwards, and the clothes are turned over and washed. Hoisting device 9 includes casing 90, and casing 90 is equipped with the hole of permeating water along the relative both sides in the direction that rivers pass through, and the inside cavity of casing 90 forms and holds the chamber, holds to be equipped with opening 93 on the chamber diapire, opening 93 is connected with drainage device, holds the control valve of the controllable switching of intracavity installation, when the washing machine dehydration, inner tube 3 high-speed rotation opens opening 93 during the dehydration to discharge the water in the inner tube 3.

In this embodiment, the control valve includes a valve plug 91 and a weight 92 for closing the opening 93, the valve plug 91 can move up and down relative to the opening 93, one end of the weight 92 extends outward to form a lever, the lever is hinged to the valve plug 91, the up and down movement of the weight 92 causes the lever to drive the valve plug 91 to move up and down around a fulcrum to automatically control the opening and closing of the opening 93, a return spring 95 is disposed on the valve plug 91, when the inner cylinder does not work or rotates at a low speed, the valve plug 91 closes the opening 93 under the action of the return spring 95, when the inner cylinder 3 rotates at a high speed during dehydration, the weight 92 moves radially outward along the inner cylinder 3 under the action of centrifugal force, one end of the lever connected to the weight 92 moves downward along with the weight 92, the other end of the lever moves upward to drive the valve plug 91 to move upward, the opening 93 is opened, water in the inner cylinder 3 passes through the water permeable hole and the opening 93 to be discharged, the outer cylinder 2 is fixed, a water collecting device 94 is disposed on the outer cylinder 2 opposite to the opening 93, the water collecting device 94 is communicated with a drain pipe, the drain pipe is provided with a drain pump 8, and the water collecting device 94 collects the water in the inner drum 3 and discharges the water under the action of the drain pump 8.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims

1. The utility model provides a drum type washing machine, includes the shell, installs urceolus and inner tube together of suit in the shell, correspond the inner tube on the shell and put in mouthful department installation and decorate the door, be equipped with the mouth of putting in that is used for putting in the clothing on the inner tube, be equipped with on the urceolus with put in mouthful corresponding uncovered, its characterized in that: a first door body for sealing the opening is correspondingly installed at the opening of the outer barrel, a second door body for sealing the putting-in opening is installed on the inner barrel, a linkage mechanism is arranged between the first door body and the second door body, and when the first door body closes or opens the opening of the outer barrel, the second door body turns over along with the first door body to correspondingly seal or open the putting-in opening of the inner barrel;

the linkage mechanism comprises a first connecting end and a second connecting end which are matched and spliced with each other, the first connecting end is a cylinder, the second connecting end is a groove with an opening, the opening faces the first door body, the cylinder is correspondingly inserted into the groove from the opening, a shaft shoulder is arranged at one end of the cylinder close to the first door body or the second door body, a rolling device is sleeved on the cylinder, and the shaft shoulder limits the rolling device;

the first door body comprises a front plate and a rear plate which are connected in parallel, the front plate correspondingly seals an opening of the outer barrel, the rear plate is arranged between the front plate and the second door body, the rear plate can generate front and rear displacement relative to the front plate, and a first connecting end is arranged on one side of the rear plate facing the second door body;

a telescopic pipe capable of generating telescopic deformation is arranged between the peripheries of the front plate and the rear plate, and two ends of the telescopic pipe are respectively and fixedly connected with the peripheries of the front plate and the rear plate in a sealing way.

2. A drum washing machine according to claim 1, characterized in that: the second door body is sealed and fixedly connected with the inner cylinder after closing the feeding opening, and can rotate relative to the first door body.

3. A drum washing machine according to claim 1, characterized in that: the second door body is in sealing connection with the inner cylinder in a relatively rotatable manner after the feeding port is closed.

4. A drum washing machine according to any one of claims 1 to 3, characterized in that: a first sealing ring used for sealing and playing a role in buffering is arranged between the periphery of the first door body and the opening of the outer barrel, and a second sealing ring is arranged between the periphery of the second door body and the inner barrel feeding opening.

5. A drum washing machine according to any one of claims 1 to 3, characterized in that: the first connecting end protrudes and extends from the center of the first door body to one side of the second door body, the second connecting end protrudes and extends from the center of the second door body to one side of the first door body, and the first connecting end and the second connecting end are fixedly connected in an inserting mode.

6. A drum washing machine according to claim 5, characterized in that: the first connecting end and the second connecting end are rotatably connected in an inserted manner, and a rotating shaft at the inserted connection position is coaxial with the throwing port.

7. A drum washing machine according to claim 5, characterized in that: the first connecting end is a groove with an opening, the opening faces the second door body, the second connecting end is a cylinder, and the cylinder is correspondingly inserted into the groove from the opening.

8. A drum washing machine according to claim 5, characterized in that: and a rolling device is arranged between the first connecting end and the second connecting end.

9. A drum washing machine according to claim 1, characterized in that: a certain gap is arranged between the front plate and the rear plate, a spring extending along the axial direction of the putting-in opening is arranged between the front plate and the rear plate, and two ends of the spring are respectively connected with the front plate and the rear plate.