CN107938252B - Replaceable inner barrel for drum washing machine, washing barrel assembly and drum washing machine - Google Patents

Replaceable inner barrel for drum washing machine, washing barrel assembly and drum washing machine Download PDF

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Publication number
CN107938252B
CN107938252B CN201711292860.7A CN201711292860A CN107938252B CN 107938252 B CN107938252 B CN 107938252B CN 201711292860 A CN201711292860 A CN 201711292860A CN 107938252 B CN107938252 B CN 107938252B
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China
Prior art keywords
barrel
tub
washing
wall
positioning
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CN107938252A (en
Inventor
戴振宇
张道鹏
李磊磊
董其夫
谢晓记
李强
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Beijing Huanxiong Xiansheng Technology Co ltd
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Beijing Huanxiong Xiansheng Technology Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/04Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06Ribs, lifters, or rubbing means forming part of the receptacle

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention discloses a replaceable inner barrel for a drum washing machine, which comprises a barrel wall, a barrel bottom and a barrel cover, wherein the barrel bottom is provided with bulges, and a plurality of bulges are uniformly distributed on the barrel bottom; the barrel wall is provided with grooves which are parallel to the axis of the barrel body, and a plurality of drain holes are circumferentially distributed at the end part of the barrel wall; the middle part of the barrel cover is provided with a water inlet hole, and the joint of the peripheral part of the barrel cover and the barrel wall is kept sealed. This can replace interior bucket in the in-process of washing clothes, the staving of interior bucket contacts with water and clothing, and in the laundry process, water gets into in the bucket from the inlet opening of bung, and clothing only contacts water and the staving of injection, and laundry process can not by the pollution, can effectually avoid cross infection, and after the washing is accomplished, through the wash port drainage, whole laundry in-process, water can not flow in and out in interior bucket, has guaranteed the clean health of abluent clothing. The invention also discloses a washing barrel assembly and a drum washing machine.

Description

Replaceable inner barrel for drum washing machine, washing barrel assembly and drum washing machine
Technical Field
The invention relates to the technical field of washing machines, in particular to a replaceable inner barrel for a drum washing machine. The invention further relates to a washing tub assembly. The invention also relates to a drum washing machine.
Background
The washing machine is a common household appliance for washing clothes, a washing barrel assembly of the washing machine is arranged in the machine body, and the washing of the clothes is realized through the rotation of the washing barrel assembly.
The washing barrel component of the washing machine generally comprises an inner barrel and an outer barrel, wherein the bottom of the inner barrel of the pulsator type washing machine is provided with a pulsator, and clothes and water in the inner barrel are stirred through rotation of the pulsator during washing, so that the aim of washing is fulfilled; the drum type washing machine has the washing tub capable of rotating reciprocally to drive the clothing inside the tub to tumble for washing. At present, when the washing machine washes clothes, water in the washing barrel assembly is positioned in the inner barrel and also positioned between the inner barrel and the outer barrel, and after long-term washing, a large amount of dirt is deposited between the inner barrel and the outer barrel, so that bacteria are easy to breed.
In order to avoid cross contamination between clothes, people often wash the clothes separately for a plurality of times, and although cross interference between the clothes can be avoided to a certain extent, clean water injected during washing directly contacts dirt between the inner barrel and the outer barrel, so that pollution can be caused to the washed clothes, and great health hazards exist.
In recent years, with the development of public utilities and the satisfaction of the washing needs of public groups, particularly, public washhouses and public washing machines are started to appear in the units of single people concentration such as schools, factories and the like, but are influenced by public factors and frequent use, and the sanitation condition and the safety of the public washhouses and the public washing machines are influenced by the peacets of many users.
Disclosure of Invention
The invention aims to provide a replaceable inner barrel for a drum washing machine, which forms an independent space in the washing process, so that clothes are in an isolated state in the washing process, the clothes can be ensured to be clean, and the sanitation and safety in the washing process are ensured. It is another object of the present invention to provide a washing tub assembly. A third object of the present invention is to provide a drum washing machine.
In order to achieve the technical aim, the invention provides a replaceable inner barrel for a drum washing machine, which comprises a barrel wall, a barrel bottom and a barrel cover, wherein the barrel bottom is provided with a bulge, and a plurality of bulges are uniformly distributed on the barrel bottom; the barrel wall is provided with grooves which are parallel to the axis of the barrel body, and a plurality of drain holes are circumferentially distributed at the end part of the barrel wall; the middle part of the barrel cover is provided with a water inlet hole, and the joint of the peripheral part of the barrel cover and the barrel wall is kept sealed.
Optionally, the protrusions extend from the middle part to the periphery of the barrel bottom, and the protrusions are uniformly distributed on the barrel bottom, so that the barrel bottom is wave-shaped; the groove is a positioning groove, the positioning groove extends upwards along the axial direction from the bottom of the barrel wall, a plurality of positioning grooves are uniformly distributed in the circumferential direction of the barrel wall, and a plurality of salient points are distributed on the barrel wall between every two adjacent positioning grooves.
The invention also provides a washing barrel assembly, which comprises an inner barrel and a middle barrel, wherein the inner barrel is the replaceable inner barrel;
The middle barrel comprises a barrel body and a positioning ring, the positioning ring is arranged at the opening end of the barrel body, the positioning ring is provided with a sealing ring and a plurality of positioning terminals, the sealing ring can seal the drain hole of the inner barrel, and the positioning terminals can limit the position of the inner barrel; the middle barrel is contacted and matched with the barrel bodies of the inner barrel so that the two barrels can synchronously rotate.
Optionally, a plurality of positioning terminals are uniformly distributed on the top of the positioning ring, and the positioning terminals can extend or retract so as to limit the position of the inner barrel, and the positioning terminals can extend in a telescopic mode or extend in a swinging mode.
Optionally, a driving button is arranged at the top of the positioning ring, a driving mechanism is arranged in the positioning ring, and the driving button controls the driving mechanism, so that the sealing ring can seal or unblock the drain hole of the inner barrel.
Optionally, the barrel body of the inner barrel comprises a first barrel wall and a first barrel bottom, and the first barrel wall and/or the first barrel bottom is provided with a first convex-concave structure; the barrel body of the middle barrel comprises a second barrel wall and a second barrel bottom, and the second barrel wall and/or the second barrel bottom is/are provided with a second convex-concave structure matched with the first convex-concave structure.
Optionally, the first barrel bottom of the inner barrel is provided with first bulges, and a plurality of the first bulges are uniformly distributed on the first barrel bottom; the second barrel bottom of the middle barrel is provided with a second bulge matched with the first bulge.
Optionally, the first barrel wall of the inner barrel is provided with a first convex rib and/or a first groove, and the first convex rib and the first groove extend along the axial direction of the inner barrel; the second barrel wall of the middle barrel is provided with a second convex rib and/or a second groove matched with the first convex rib and/or the first groove.
The invention also provides a drum washing machine, which comprises a machine body and a washing barrel assembly, wherein the washing barrel assembly is any one of the washing barrel assemblies; the machine body comprises a box body, an outer barrel and a driving mechanism, wherein the washing barrel assembly is arranged in the outer barrel, and the driving mechanism drives the washing barrel assembly to rotate.
Optionally, the door body of box is located the front side of the open end of washing barrel assembly, the inboard of door body is equipped with the sealing member, the sealing member with the port cooperation of outer bucket, the door inboard still is equipped with the inlet tube, the inlet tube cooperates with the inlet opening of interior bucket.
The invention provides a replaceable inner barrel for a drum washing machine, which comprises a barrel wall, a barrel bottom and a barrel cover, wherein the barrel bottom is provided with bulges, and a plurality of bulges are uniformly distributed on the barrel bottom; the barrel wall is provided with grooves which are parallel to the axis of the barrel body, and a plurality of drain holes are circumferentially distributed at the end part of the barrel wall; the middle part of the barrel cover is provided with a water inlet hole, and the joint of the peripheral part of the barrel cover and the barrel wall is kept sealed.
This can replace interior bucket in the in-process of washing clothes, the staving of interior bucket contacts with water and clothing, and in the laundry process, water gets into in the bucket from the inlet opening of bung, and clothing only contacts water and the staving of injection, and laundry process can not by the pollution, can effectually avoid cross infection, and after the washing is accomplished, through the wash port drainage, whole laundry in-process, water can not flow in and out in interior bucket, has guaranteed the clean health of abluent clothing.
Each user can use the inner barrel of oneself, and the staving of inner barrel has formed independent space in the laundry process, and the clothing is in the isolation state in the laundry process, can guarantee the clean cleanness of clothing, has also guaranteed the sanitary safety in the laundry process.
The invention also provides a washing barrel assembly which comprises the replaceable inner barrel and has corresponding beneficial effects.
The invention also provides a drum washing machine which is provided with the washing barrel assembly and has corresponding beneficial effects.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention.
Fig. 1 is a schematic structural view of an embodiment of an exchangeable inner tub for a drum washing machine according to the present invention;
FIG. 2 is a schematic view of a structure of a washing tub assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating a structure of a drum washing machine according to an embodiment of the present invention;
The correspondence between the descriptions of the drawings and the names of the components in fig. 1 to 3 is as follows:
an inner tub 1; a first protrusion 11; a first groove 12; drain hole 13
A middle barrel 2; a second protrusion 21; a second groove 22; a positioning ring 23; positioning the terminal 24; a seal ring 25;
An outer tub 3; a case 4; a door body 41; a seal 42; a water inlet pipe 43; a drive mechanism 44; and a drain 45.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of an embodiment of an exchangeable inner tub for a drum washing machine according to the present invention; FIG. 2 is a schematic view of a structure of a washing tub assembly according to an embodiment of the present invention; fig. 3 is a schematic structural view of an embodiment of a drum washing machine according to the present invention.
In a specific embodiment, the invention discloses a replaceable inner barrel for a drum washing machine, which comprises a barrel wall, a barrel bottom and a barrel cover, wherein the barrel bottom is provided with a bulge, and a plurality of bulges are uniformly distributed on the barrel bottom; the barrel wall is provided with grooves which are parallel to the axis of the barrel body, and a plurality of drain holes 13 are circumferentially distributed at the end part of the barrel wall; the middle part of the barrel cover is provided with a water inlet hole, and the joint of the peripheral part of the barrel cover and the barrel wall is kept sealed.
The replaceable inner barrel is used for a drum washing machine, the axis is horizontal when the replaceable inner barrel is used, water is fed Kong Jinshui from the middle part of the barrel cover, and water is discharged from the water discharge hole 13 after washing is finished. In the process of washing clothes, the barrel body of the inner barrel 1 is contacted with water and clothes, in the process of washing clothes, the water enters the barrel from the water inlet hole of the barrel cover, the clothes only contact the injected water and the barrel body, the washing process can not be polluted, cross infection can be effectively avoided, after washing is finished, water is discharged through the water discharge hole 13, and water can not flow in and out of the inner barrel 1 in the whole washing process, so that the cleanness and sanitation of the washed clothes are ensured.
Each user can use own inner tub 1, and in the process of washing, the staving of inner tub 1 has formed independent space, and the clothing is in the isolation state in the process of washing, can guarantee the clean cleanness of clothing, has also guaranteed the sanitary safety in the process of washing.
The inner barrel 1 is matched with the middle barrel 2 in the washing machine body in the washing process, the middle barrel 2 drives the inner barrel 2 to rotate, water and clothes in the inner barrel 1 also rotate along with the inner barrel 1 when the inner barrel 1 rotates, and if the inner barrel 1 intermittently rotates or reciprocally rotates, the water and the clothes can also generate stirring and friction along with the mode of changing rotation of the inner barrel 1, so that the aim of washing the clothes is fulfilled.
When the inner barrel 1 is matched with the middle barrel 2, the middle barrel 2 is provided with a sealing ring 25, the sealing ring 25 can seal the drain hole 13 of the inner barrel 1 in the washing process, the sealing ring is removed after washing is finished, and then water is drained through the drain hole 13. When draining, the middle barrel 2 drives the inner barrel 1 to rotate rapidly, and water in the inner barrel 1 can move along and be thrown out from the drain hole 13. Throughout the washing process, water flows unidirectionally, enters the inner tub 1 from the tub cover, is washed in the inner tub 1, and is thrown out through the drain hole 13 at the port of the inner tub 1.
During washing, the middle barrel 2 drives the inner barrel 1 to rotate, the middle barrel 2 provides support and power for the inner barrel 1, the inner barrel 1 mainly plays roles in replacement and isolation, in the washing process, the stress of the inner barrel 1 can be transferred to the middle barrel 2, the middle barrel 2 provides support for the inner barrel 1, and the middle barrel 2 is a main bearing part. Therefore, the middle barrel 2 can be lighter, so that the replaceable operation is more convenient, and the carrying is also convenient.
The bulge at the bottom of the inner barrel 1 can be matched with the middle barrel 2 on one hand to play a role in positioning; on the other hand, the clothes can be impacted, and the washing effect is improved. The grooves on the barrel wall can also play a role in positioning and improving the washing effect. In addition, the groove can also serve as a guide rail to play a role in guiding, so that the inner barrel 1 can be conveniently put in or taken out, and the replaceable operation is very convenient.
In a further specific embodiment, the bulge extends from the middle part to the periphery of the barrel bottom, and a plurality of bulges are uniformly distributed on the barrel bottom, so that the barrel bottom takes the shape of a wave wheel; the recess is the constant head tank, and the constant head tank upwards extends along the axial from the bottom of staving, and a plurality of constant head tanks distribute on the staving between every two adjacent constant head tanks at the circumference evenly distributed of staving.
The bulge is in a wave wheel shape at the bottom of the barrel, and when the inner barrel 1 rotates, the bulge and the inner barrel 1 synchronously rotate; the constant head tank can be to the inside indent's of staving recess, and the constant head tank not only can play the effect of interior bucket 1 and well bucket 2 location, can also drive the clothing promotion in the bucket when interior bucket 1 rotates, then produces and rolls.
The invention also provides a washing barrel assembly, which comprises an inner barrel 1 and a middle barrel 2, wherein the inner barrel 1 is the replaceable inner barrel in each embodiment;
the middle barrel 2 comprises a barrel body and a positioning ring 23, the positioning ring 23 is arranged at the opening end of the barrel body, the positioning ring 23 is provided with a sealing ring 25 and a plurality of positioning terminals 24, the sealing ring 25 can seal the drain hole 13 of the inner barrel 1, and the positioning terminals 24 can limit the position of the inner barrel 1; the middle barrel 2 is matched with the barrel bodies of the inner barrel 1 in a contact way so that the two barrels can synchronously rotate.
After the inner barrel 1 is put into the middle barrel 2, the positioning terminal 24 on the positioning ring 23 extends out, the inner barrel 1 is limited inside the middle barrel 2, in the washing process, the water draining hole 13 of the inner barrel 1 is blocked by the sealing ring 25 on the positioning ring 23, water in the washing process is prevented from flowing out, the blocking is removed after the washing is completed, and water is drained through the water draining hole 13. After the washing is completed, the positioning terminal 24 is retracted, and the inner tub 1 can be taken out.
The inner barrel 1 and the middle barrel 2 of the washing barrel component are detachably connected, and the barrel bodies of the inner barrel and the middle barrel are in contact fit and synchronously rotate. During washing, clothes and water are located in the inner barrel 1, the inner barrel 1 is driven to rotate by the middle barrel 2, the water and the clothes in the inner barrel 1 rotate along with the inner barrel 1 when the inner barrel 1 rotates, the inner barrel 1 intermittently rotates or reciprocally rotates, and the water and the clothes can generate stirring and friction along with the change rotation mode of the inner barrel 1, so that the aim of washing the clothes is fulfilled.
In the process of washing clothes, the barrel body contacted with water and clothes is of a sealing structure, in the washing process, the clothes only contact the injected water and the sealed barrel body, the water is positioned in the inner barrel 1 and cannot flow in and out of the inner barrel 1, the washing process cannot be polluted, cross infection can be avoided, and the cleanness and sanitation of the washed clothes are ensured.
Each user may own his/her own inner tub 1 and may carry his/her own inner tub 1 to wash laundry. When washing clothes, the inner barrel 1 is put into the middle barrel 2, the middle barrel 2 drives the inner barrel 1 to rotate for washing, in the washing process, the barrel body of the inner barrel 1 forms an independent space, and clothes are in an isolated state in the washing process, so that the clothes can be ensured to be clean, and the sanitation and safety in the washing process are also ensured.
In a first preferred embodiment, a plurality of positioning terminals 24 are uniformly distributed on the top of the positioning ring 23, the positioning terminals 24 can be extended or retracted so as to define the position of the inner tub 1, and the positioning terminals 24 are extended telescopically or extended swingably.
After the inner barrel 1 is put into the middle barrel 2, the positioning terminal 24 on the positioning ring 23 extends out, and the inner barrel 1 is limited inside the middle barrel 2; after the washing is completed, the positioning terminal 24 is retracted, and the inner tub 1 can be taken out. The positioning terminal 24 can be extended in a telescopic manner or in a swinging manner.
In a second preferred embodiment, the top of the positioning ring 23 is provided with a driving button, and a driving mechanism is arranged inside the positioning ring 23 and is controlled by the driving button, so that the sealing ring 23 can seal or unblock the drain hole 13 of the inner barrel 1.
The driving button at the top of the positioning ring 23 controls the sealing ring 23 through the driving mechanism, so that the sealing ring 23 clamps or unclamps the wall of the inner barrel 1, and the water drain hole 13 is just positioned at the wall of the inner barrel 1 corresponding to the sealing ring 23. When the sealing ring 23 clamps the wall of the inner barrel 1, the drain hole 13 is blocked, and when the sealing ring 23 releases the wall of the inner barrel 1, the blocking is released.
In each of the above specific embodiments, the tub body of the inner tub 1 includes a first tub wall and a first tub bottom, and the first tub wall and/or the first tub bottom has a first convex-concave structure; the barrel body of the middle barrel 2 comprises a second barrel wall and a second barrel bottom, and the second barrel wall and/or the second barrel bottom are/is provided with a second convex-concave structure matched with the first convex-concave structure.
The inner barrel 1 and the middle barrel 2 are detachably connected, the barrel bodies of the inner barrel 1 and the middle barrel 2 are in contact fit, and in the washing process, the inner barrel and the middle barrel can be regarded as a whole and synchronously rotate. In order to realize the structure, the barrel bodies of the inner barrel 1 and the middle barrel 2 are provided with convex-concave structures, so that on one hand, the positioning between the inner barrel 1 and the middle barrel 2 can be realized, the relative positions of the inner barrel and the middle barrel can be determined, and the inner barrel and the middle barrel can synchronously rotate; on the other hand, the clothes can be collided and rubbed in the washing process, and the washing effect is improved.
Specifically, the convex-concave structure can be arranged on the barrel wall and the barrel bottom at the same time, and the convex-concave structure can also be independently arranged on the barrel wall or the barrel bottom which is independently arranged. A first convex-concave structure is arranged on a first barrel wall of the inner barrel 1, and a second convex-concave structure matched with the first convex-concave structure is arranged on a second barrel wall of the corresponding middle barrel 2; a first convex-concave structure is arranged at the first barrel bottom of the inner barrel 1, and a second convex-concave structure matched with the first convex-concave structure is arranged at the second barrel bottom of the corresponding middle barrel 2.
In a first specific embodiment, a first barrel bottom of the inner barrel 1 is provided with first bulges 11, and a plurality of first bulges 11 are uniformly distributed on the first barrel bottom; the second tub bottom of the middle tub 2 has a second protrusion 21 that is engaged with the first protrusion 11.
The first barrel bottom of the inner barrel 1 is provided with a plurality of first bulges 11 which can be matched with the second bulges 21 of the second barrel bottom of the middle barrel 2 on one hand to play a role in positioning; on the other hand, the first barrel bottom can be in a poking wheel shape, and the washing effect is improved.
In a second specific embodiment, the first barrel wall of the inner barrel 1 is provided with a first convex rib and/or a first groove 12, and the first convex rib and the first groove 12 extend along the axial direction of the inner barrel 1; the second tub wall of the middle tub 2 has second ribs and/or second grooves 22 cooperating with the first ribs and/or first grooves 12.
The protruding muscle and the recess of the first bucket wall of interior bucket 1 also are similar with the protruding effect of first barrel head, can play the effect of location and improvement washing effect, in addition, when installing interior bucket 1 in to well bucket 2, the recess can also play the effect of direction and guide rail, simultaneously, protruding muscle structure can also increase the intensity of bucket wall.
One of the grooves and the ribs is a structure protruding into the barrel, the other is a structure protruding out of the barrel, the grooves and the ribs extend along the axial direction, and the grooves and the ribs can be arranged at the same time or independently.
In addition to the replaceable inner barrel and the washing barrel assembly, the invention also provides a drum washing machine, which comprises a machine body and a washing barrel assembly, wherein the washing barrel assembly is the washing barrel assembly in each specific embodiment; the machine body 4 comprises a box body, an outer barrel 3 and a driving mechanism 44, the washing barrel assembly is arranged in the outer barrel 3, and the driving mechanism 44 drives the washing barrel assembly to rotate.
When the drum washing machine is operated, the driving mechanism 44 directly drives the washing tub assembly, which operates in the manner described in the above embodiments, and thus, the corresponding advantageous effects can be produced.
The outer tub 3 in the machine body corresponds to the water tub, and the structure and parts in the machine body 4 refer to the prior art, and are not described herein.
In a preferred embodiment, the door 41 of the box is located at the front side of the opening end of the washing tub assembly, the inner side of the door 41 is provided with a sealing member 42, the sealing member 42 is matched with the port of the outer tub 3, the inner side of the door 41 is also provided with a water inlet pipe 43, and the water inlet pipe 43 is matched with the water inlet hole of the inner tub 1.
The hinge shaft of the door 41 may be located at the lower bottom edge, and opened by the top edge, the inner barrel 1 may be placed into the middle barrel 2, the position of the inner barrel 1 is limited by the positioning terminal 24 on the middle barrel 2, the door 41 is closed, and the sealing member 42 at the inner side of the door 41 is matched with the opening end of the outer barrel 3 to form a closed space.
The inlet tube 43 sets up on the door body 41, through inlet tube 43 direct to the water Kong Jinshui that intakes of inner tub 1 bung, and inner tub 1 washs the back of accomplishing, goes out water from the wash port 13 of inner tub 1, through well bucket 2, gets into outer bucket 3 and discharges through drain pipe 45, and outer bucket 3 is equivalent to the flourishing cask, and outer bucket 3 is equipped with drain pipe 45.
The replaceable inner tub, the washing tub assembly, and the drum washing machine for the drum washing machine provided by the present invention are described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

Claims (7)

1. A washing tub assembly for a drum washing machine, comprising an inner tub and a middle tub; the inner barrel comprises a barrel wall, a barrel bottom and a barrel cover, wherein the barrel bottom is provided with bulges, and a plurality of bulges are uniformly distributed on the barrel bottom; the barrel wall is provided with grooves which are parallel to the axis of the barrel body, and a plurality of drain holes are circumferentially distributed at the end part of the barrel wall; the middle part of the barrel cover is provided with a water inlet hole, and the joint of the peripheral part of the barrel cover and the barrel wall is kept sealed;
The middle barrel comprises a barrel body and a positioning ring, the positioning ring is arranged at the opening end of the barrel body, the positioning ring is provided with a sealing ring and a plurality of positioning terminals, the sealing ring can seal the drain hole of the inner barrel, and the positioning terminals can limit the position of the inner barrel; the middle barrel is in contact fit with the barrel bodies of the inner barrel so that the two barrels can synchronously rotate;
The positioning terminals are uniformly distributed at the top of the positioning ring and can extend or retract so as to limit the position of the inner barrel, and the positioning terminals extend in a telescopic or swinging mode;
The top of the positioning ring is provided with a driving button, the inside of the positioning ring is provided with a driving mechanism, and the driving button controls the driving mechanism, so that the sealing ring can seal or unblock the drain hole of the inner barrel.
2. The washing tub assembly for a drum washing machine as claimed in claim 1, wherein the protrusions extend from a middle portion to a peripheral portion of the tub bottom, and a plurality of the protrusions are uniformly distributed at the tub bottom such that the tub bottom has a wave shape; the groove is a positioning groove, the positioning groove extends upwards along the axial direction from the bottom of the barrel wall, a plurality of positioning grooves are uniformly distributed in the circumferential direction of the barrel wall, and a plurality of salient points are distributed on the barrel wall between every two adjacent positioning grooves.
3. The washing tub assembly of claim 1, wherein the tub body of the inner tub comprises a first tub wall and a first tub bottom, the first tub wall and/or the first tub bottom having a first male-female structure; the barrel body of the middle barrel comprises a second barrel wall and a second barrel bottom, and the second barrel wall and/or the second barrel bottom is/are provided with a second convex-concave structure matched with the first convex-concave structure.
4. The washing tub assembly of claim 3, wherein said first tub bottom of said inner tub has first protrusions, a plurality of said first protrusions being uniformly distributed on said first tub bottom; the second barrel bottom of the middle barrel is provided with a second bulge matched with the first bulge.
5. A washing tub assembly as claimed in claim 3, characterized in that the first tub wall of the inner tub has a first bead and/or a first groove, both extending axially of the inner tub; the second barrel wall of the middle barrel is provided with a second convex rib and/or a second groove matched with the first convex rib and/or the first groove.
6. A drum washing machine comprising a machine body and a washing tub assembly, characterized in that the washing tub assembly is the washing tub assembly of any one of claims 1-5; the machine body comprises a box body, an outer barrel and a driving mechanism, wherein the washing barrel assembly is arranged in the outer barrel, and the driving mechanism drives the washing barrel assembly to rotate.
7. The drum type washing machine as claimed in claim 6, wherein the door of the cabinet is positioned at a front side of the open end of the tub assembly, a sealing member is provided at an inner side of the door, the sealing member is engaged with the port of the outer tub, and a water inlet pipe is further provided at an inner side of the door, the water inlet pipe being engaged with the water inlet hole of the inner tub.
CN201711292860.7A 2017-12-08 2017-12-08 Replaceable inner barrel for drum washing machine, washing barrel assembly and drum washing machine Active CN107938252B (en)

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CN107938252B true CN107938252B (en) 2024-05-14

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CN109252327A (en) * 2018-11-21 2019-01-22 北京普尼新科技有限公司 A kind of roller washing machine of separable interior bucket
CN109680457A (en) * 2019-01-17 2019-04-26 张欢 A kind of washing machine and its washing tube
WO2020259332A1 (en) * 2019-06-24 2020-12-30 青岛海尔洗衣机有限公司 Washing machine
CN114150484B (en) * 2021-12-07 2022-10-14 珠海格力电器股份有限公司 Drum washing machine and water injection control method thereof

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