WO2017157210A1

WO2017157210A1 - Laundry machine drum, and laundry machine

Info

Publication number: WO2017157210A1
Application number: PCT/CN2017/075965
Authority: WO
Inventors: 许升; 吕艳芬; 王玲臣
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2016-03-16
Filing date: 2017-03-08
Publication date: 2017-09-21
Also published as: CN107201627B; CN107201627A

Abstract

A laundry machine drum, and laundry machine. The laundry machine drum comprises a drum body (200), and the drum body (200) is provided with a bottom cover (320) at a bottom portion thereof on an outer side. A closed ring-shaped channel (330) is formed between the bottom cover (320) and the bottom portion of the drum body (200), or is provided within the bottom cover (320). A balancing medium is injected into the ring-shaped channel (330) to form a balancing ring at the bottom of the drum. By mounting a bottom cover (320) to a bottom portion of a drum body (200) of a laundry machine drum, the present invention employs an enclosed space between the bottom cover (320) and the drum body (200) to form a permanent balancing ring. In addition, the bottom cover (320) has the effect of preventing dirt from accumulating in the narrow space between strengthening ribs of the bottom portion of the drum body (200).

Description

Washing machine inner tub and washing machine

Technical field

The present invention relates to the technical field of washing machines, and in particular to a washing machine inner tub and a washing machine.

Background technique

The balance ring of the pulsator washing machine is generally arranged in the upper part of the inner tub, which can well balance the unbalanced load generated by the washing machine during dehydration, and has a better balance effect on the unbalanced load on the upper part, in order to effectively resist the unbalanced load of the lower part, the more and more The more technology attempts to add an extra balance ring to the lower part of the barrel.

For example, the application number is 201520260736.2, which is a Chinese utility model patent for a washing machine. The utility model discloses a washing machine, belonging to the technical field of household appliances, and solving the prior art wave wheel washing machine in which the balance ring device is only installed in the washing and dehydrating The upper part of the barrel is far away from the clothes at the bottom of the washing and dewatering bucket, and the difficulty of adjusting the eccentricity is increased in the dehydrating operation, the adjustment time is extended, and the technical effect of the balance effect is limited. The washing machine of the present invention comprises a body and a washing and dewatering bucket. The washing and dewatering bucket is rotatably disposed in the machine body. The upper end of the washing and dewatering bucket is provided with an upper balance ring, and the lower end of the washing and dewatering bucket is further provided with a lower balance ring. The lower balance ring has at least one closed annular cavity, and the annular cavity is provided with a balance liquid.

Although the above patent solves the imbalance problem of the lower part of the washing machine well, the additional lower balance ring not only increases the cost, but also needs to make structural improvement on the inner bottom of the washing machine, and the installation requirement is high.

In addition, the application number is 201510474271.5, a Chinese invention patent entitled Washing Machine, the invention discloses a washing machine comprising: an outer tub for holding washing water; an inner tub, the inner tub being rotatably provided in the Inside the outer tub, an upper balance member, the upper balance member is disposed at an upper portion of the inner tub to compensate an unbalanced load of an upper portion of the inner tub; and a lower balance member disposed at a lower portion of the inner tub to compensate An unbalanced load of a lower portion of the inner tub, the lower balance member having a drain chamber and an annular balance chamber, the balance chamber being in communication with the inner tub, the drain chamber being disposed inside the balance chamber The drain chamber is provided with a drain port and communicates with the balance chamber through the water outlet to discharge the wash water in the balance chamber. According to the washing machine of the present invention, the production cost is low, the balance effect of the washing machine is stable, and the vibration noise is low.

The above invention patent is an automatic water injection type balance ring, and the water inlet and the water inlet on the balance ring are small, which is inconvenient for water to enter and discharge. If a large inlet and outlet port is provided, the structure of the inner bottom of the barrel and the inner and outer barrels are formed. The connecting device fills the gap of the inner bottom of the barrel with water, and does not reach the function of the balance ring, and the inside of the structure of the bottom of the barrel is relatively easy to breed bacteria after entering the sealed washing water. The thread and dirt in the water are also easy to block the inlet and outlet. dead.

In view of this, the present invention has been specifically proposed.

Summary of the invention

In order to solve the above problems, the first object of the present invention is to provide an inner tub of a washing machine, and in particular, the following technical solutions are adopted:

An inner tub of a washing machine, comprising a barrel body, a bottom cover of the bottom of the barrel body is installed, a closed annular groove is formed between the bottom cover of the barrel and the bottom of the barrel body, or the bottom cover of the barrel has a closed ring shape The through groove is filled into the annular through groove to form an inner bottom balance ring.

Further, the outer edge and the inner edge of the bottom cover are respectively sealingly connected with the bottom of the barrel, and the bottom cover between the outer edge and the inner edge has at least one annular sealing connection with the bottom of the barrel, and the barrel is connected The area between the bottom cover and the bottom of the barrel is divided into a plurality of closed chambers, wherein at least one of the closed chambers penetrates circumferentially to form an annular through groove.

Further, the bottom of the barrel corresponding to the annular through groove is a smooth plane, and the smooth plane is spaced apart from the inner side of the bottom wall of the bottom cover of the barrel;

Alternatively, the bottom of the barrel body is provided with a reinforcing rib structure, and a rib structure on the bottom of the barrel corresponding to the annular through groove is provided with a slit to penetrate the closed area between the reinforcing rib structures.

Further, the bottom of the barrel body is provided with a reinforcing rib structure, and the outer surface of the bottom cover of the barrel is a smooth surface; the bottom cover of the barrel is sealed and connected with the bottom of the barrel body to form an integral structure, and the bottom cover of the barrel completely covers the structure of the reinforcing rib The rib structure is provided with a slit to penetrate the closed region between the rib structures to form an annular through groove.

Further, the rib structure comprises an annular reinforcing rib and a radial reinforcing rib, the annular reinforcing rib is arranged concentrically with the bottom of the barrel body, the radial reinforcing rib is arranged radially along the bottom of the barrel body, the annular reinforcing rib and the radial reinforcement The ribs are arranged to cross each other; the outermost annular reinforcing rib is sealingly connected with the bottom cover of the bucket, and the radial reinforcing rib between the outermost annular reinforcing rib and the outer outer edge of the bottom of the barrel defines a slit to form an annular through groove.

Further, the bottom of the barrel is provided with a waterway mounting portion corresponding to the waterway installation, the waterway mounting portion is located in the annular through groove, and the outer surface of the waterway mounting portion is a smooth surface.

Further, the bottom cover of the bucket is provided with a liquid injection port for injecting a balance medium, and the liquid injection port is closed by a valve plug after the balance medium is injected.

Further, the bottom of the barrel body is provided with a flange structure, the flange structure is disposed outside the bottom wall of the bottom cover of the barrel; the bottom of the barrel body is provided with a screw column, and the bottom wall of the bottom cover of the barrel corresponding to the screw column Providing a screw hole, the flange structure is fixed on the bottom of the barrel by a screw and a screw column;

The inner side of the bottom wall of the bottom cover of the tub is disposed on the periphery of the screw hole, and the end of the convex structure is a sixth connecting surface, and a ring-shaped reinforcing rib is arranged on the bottom of the barrel body at the periphery of the screw column. The end of the annular reinforcing rib is a fifth connecting surface, and the sixth connecting surface is sealingly connected with the fifth connecting surface;

The annular reinforcing rib forms an annular through groove with the outer edge of the bottom of the barrel.

Further, a first connecting surface is disposed on the bottom bottom wall of the barrel, and a second connecting surface is disposed on the inner side of the bottom wall of the bottom cover, the first connecting surface is sealingly connected with the second connecting surface; the bottom of the barrel a third connecting surface is disposed on the sidewall, the sidewall end of the bottom cover of the bucket is a fourth connecting surface, and the third connecting surface is sealingly connected with the fourth connecting surface;

The bottom cover of the bucket is integrally connected with the bottom of the barrel by means of fusion, the first connecting surface, the second connecting surface, the third connecting surface, the fourth connecting surface, the fifth connecting surface and the sixth connection The faces are the melted faces.

A second object of the present invention is to provide a washing machine having the inner tub.

The invention installs a bottom cover of the bottom of the barrel of the inner barrel of the washing machine, and adopts a balance ring formed by the bottom of the bottom cover of the barrel and the bottom of the barrel. The balance ring is a permanent balance ring. In addition, the bottom cover of the tub also has a function of preventing dirt in the narrow space between the bottom reinforcing ribs of the tub body.

Therefore, the bottom cover of the present invention can close the bottom of the barrel to avoid dirt, ensure the environment of the inner barrel is clean, and improve the cleanliness of the clothes; in addition, the balance between the bottom cover of the barrel and the space enclosed by the bottom of the barrel body is formed. The ring is used to buffer the unbalanced load in the lower part of the inner tub of the washing machine to ensure the stability during the working process of the washing machine.

DRAWINGS

1 is a schematic structural view of an inner tub of a washing machine according to an embodiment of the present invention;

Figure 2 is a bottom plan view of the inner tub of the washing machine in the embodiment of the present invention;

Figure 3 is a cross-sectional view taken along line A-A of Figure 2 of the embodiment of the present invention;

Figure 4 is an exploded view of the inner barrel of the washing machine in the embodiment of the present invention;

Figure 5 is a schematic structural view of the bottom of the inner tub of the prior art washing machine;

6 is a schematic structural view of a bottom of an inner tub of a washing machine according to an embodiment of the present invention;

Figure 7 is a schematic view showing the structure of the inner lid of the embodiment of the present invention.

DESCRIPTION OF REFERENCE NUMERALS: 100-upper balance ring 200-barrel 300-barrel bottom 310-barrel bottom body 311-bunk bottom body side wall 312-radial reinforcing rib 313-annular reinforcing rib 314-first joint surface 315 - Third connection surface 316 - Fifth connection surface 317 - Screw column 318 - Waterway installation 319 - Gap 320 - Bottom cover 321 - Fourth connection surface 322 - Bottom cover side wall 323 - Bottom cover bottom wall 324- Positioning Mounting Section 325 - Screw Hole 326 - Filling Port 327 - Sixth Connecting Face 328 - Second Connecting Face 330 - Annular through groove.

detailed description

A washing machine inner tub and a washing machine of the present invention will be described in detail below with reference to the accompanying drawings:

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 6 and FIG. 7 , the inner tub of the washing machine includes a tub body 200 , and a bottom cover 320 is mounted on the outer side of the bottom of the tub 200 . A closed annular through groove 330 is formed between the bottom cover 320 and the bottom of the barrel 200, or the bottom cover 320 has a closed annular through groove 330. The annular through groove 330 is filled with a balance medium to form an inner bottom. Balance ring.

In this embodiment, a bottom cover 320 is installed at the bottom of the barrel 200 of the inner tub of the washing machine, and a balance ring formed by the bottom of the bottom cover 320 and the bottom of the barrel 200 is used. The balance ring is a permanent balance ring. In addition, the bottom cover 320 also has a function of preventing the narrow space between the bottom reinforcing ribs of the tub from being soiled.

The bottom of the barrel 200 of the present embodiment is a bottom 300 of the barrel. The barrel 200 and the bottom 300 of the barrel are surrounded by a barrel structure for holding laundry. The inner bottom 300 of the embodiment includes a bottom body 310 and a bottom cover. 320.

The outer edge and the inner edge of the bottom cover 320 of the embodiment are respectively sealedly connected to the bottom of the barrel 200, and the bottom cover 320 between the outer edge and the inner edge has at least one annular sealing connection with the bottom of the barrel 200. The area between the bottom cover 320 and the bottom of the barrel 200 is divided into a plurality of closed chambers, and at least one of the closed chambers penetrates in the circumferential direction to form an annular through groove 330.

Since the barrel 200 of the washing machine is generally made of a metal material, the bottom 300 of the barrel is generally of a plastic structure. Therefore, in order to secure the strength of the bottom 300, a series of reinforcing rib structures are provided at the bottom of the bottom body 310. In this embodiment, the area between the bottom cover 320 and the bottom of the barrel 200 is divided into a plurality of closed chambers, and at least one of the closed chambers is formed in the circumferential direction to form an annular through groove 330, mainly for ensuring the bottom body 310 of the barrel. The bottom rib structure is arranged to ensure the strength of the bottom 300 of the washing machine.

In order to achieve the circumferential penetration of the annular through groove 330, the bottom of the barrel 200 corresponding to the annular through groove 330 of the present embodiment is a smooth plane, and the smooth plane is spaced apart from the inner side of the bottom wall of the bottom cover 320. In this manner, the rib structure at the bottom of the inner tub 200 corresponding to the annular through groove is eliminated to ensure the circulation of the balance medium in the annular through groove 330, thereby achieving a good balance effect.

Alternatively, the bottom of the barrel body of the embodiment is provided with a reinforcing rib structure, and the rib structure on the bottom of the barrel corresponding to the annular through groove 330 is provided with a slit to penetrate the closed areas between the rib structures. In this way, the arrangement of the existing rib structure can be changed, and the strength of the bottom of the barrel 200 can be ensured, and the circumferential passage of the annular through groove 330 can be realized to achieve a balance effect.

The bottom of the barrel 200 of the embodiment is provided with a reinforcing rib structure, and the outer surface of the bottom cover 320 is a smooth surface; The bottom cover 320 is sealingly connected with the bottom of the barrel 200 to form a unitary structure, and the bottom cover 320 completely covers the rib structure; the rib structure defines a gap 319 to form a closed area between the rib structures. Annular channel. The balance ring of the embodiment is formed by the bottom cover 320 and the bottom 300 of the bucket, and no additional balance ring is needed, and the structure of the bottom 300 is basically the same as that of the existing washing machine, and only the existing rib structure needs to be opened. The annular through groove can be penetrated. As shown in FIG. 5, the bottom reinforcement rib of the inner drum of the washing machine is identical to the bottom reinforcement rib of the inner drum of the washing machine of the embodiment of FIG. 6, and the difference is only in the bottom portion of the washing machine of the embodiment. Open a gap on the ribs.

The rib structure of the embodiment includes an annular reinforcing rib 313 and a radial reinforcing rib 312. The annular reinforcing rib 313 is disposed concentrically with the bottom of the barrel 200. The radial reinforcing rib 312 is radially disposed along the bottom of the barrel 200, and the annular reinforcing rib 313 and the radial reinforcing rib 312 are arranged to cross each other; the outermost annular reinforcing rib is sealingly connected with the bottom cover 320, and the radial reinforcing rib 312 between the outermost annular reinforcing rib and the bottom outer edge of the barrel 200 defines a slit 319. An annular through groove 330 is formed. Since the radial reinforcing rib 312 at the bottom of the barrel 200 blocks the circumferential penetration, the gap 319 formed in the radial reinforcing rib 312 opens the circumferential barrier to penetrate the annular through groove 330.

The bottom of the tub 200 of the present embodiment is provided with a waterway mounting portion 318 corresponding to the waterway installation. The waterway mounting portion 318 is located in the annular through groove, and the outer surface of the waterway mounting portion 318 is a smooth surface. Since the water channel mounting portion 318 protrudes outward, the interval between the water channel mounting portion 318 and the inner tub cover 320 is too small. In this embodiment, the reinforcing rib on the water channel mounting portion 318 is cancelled, and the water channel mounting portion is directly removed. The outer surface of the 318 is a smooth surface, which is more advantageous for the through hole 330 to pass through. The rib on the water channel mounting portion 318 is eliminated as compared with the bottom of the inner tub of the washing machine of the present embodiment in FIG.

In addition, the annular through groove 330 of the embodiment may be a one-way through groove, or may be composed of two half-circle through grooves, or even four quarter-circle through grooves, specifically, according to the barrel body. The bottom structure of the 200 is designed.

For example, when the water rail mounting portion 318 of the embodiment is provided with a reinforcing rib, the reinforcing rib is fitted to the inner tub cover 320 to divide the entire circumference into two balancing chambers. If the water rail mounting portion 318 is not provided with a reinforcing rib, the entire circumferential cavity is provided. The chamber is connected to a balancing chamber.

The bottom cover 320 of the embodiment is provided with a liquid filling port 326 for injecting a balancing medium, and the liquid filling port 326 is closed by a valve plug after the balancing medium is injected. The equilibrium medium of this embodiment is an equilibrium liquid, and specifically, a calcium chloride solution can be selected. The injection volume of the equilibrium liquid of this embodiment is preferably from 20% to 70%, preferably from 40% to 60%, of the entire annular channel 330 volume.

Specifically, the bottom of the barrel 200 of the embodiment is mounted with a flange structure. The flange structure is disposed outside the bottom wall of the bottom cover 320. The bottom of the barrel 200 is provided with a screw column 317 and a bottom cover 320. A screw hole 325 is disposed on the bottom wall corresponding to the screw post, and the flange structure is fixed to the bottom of the inner tub 200 by a screw and a screw post 317.

The inner side of the bottom wall of the bottom cover 320 of the present embodiment is provided with a convex structure at the outer periphery of the screw hole 325. The end of the convex structure is a sixth connecting surface 327, and the bottom of the barrel 200 is located at the periphery of the screw post 317. A ring-shaped reinforcing rib is disposed, the end of the annular reinforcing rib is a fifth connecting surface 316, and the sixth connecting surface 327 is sealingly connected with the fifth connecting surface 316; the annular reinforcing rib and the bottom outer side of the barrel 200 An annular through groove 330 is formed between the edges.

The inner tub of the washing machine of the embodiment is particularly suitable for a washing machine with cleaning particles between the inner tub and the outer tub. The bottom 300 of the tub includes two parts of the bottom body 310 and the bottom cover 320 of the tub. The bottom cover 320 of the tub is covered by the bottom of the tub body 310. In the rib structure, the outer surface of the bottom cover 320 is a smooth and flat surface, so that the cleaning effect of the cleaning particles on the bottom 300 of the inner tub is more favorable; the bottom cover 320 is sealingly connected with the bottom of the bottom body 310 to make the ribs The structure is in a closed space to prevent the washing water from entering the rib structure, which fundamentally eliminates the problem of breeding bacteria or accumulating dirt at the bottom rib structure.

The bottom body 310 of the present embodiment is a hollow hollow annular body structure, and includes a bottom body 311 of the bottom body of the closed circular ring and a bottom wall of the body of the barrel connected thereto. The outer contour of the bottom cover 320 and the bottom of the barrel The outer contours of the body 310 are matched for the bottom cover 320 to be attached to the bottom body 310 to cover the rib structure.

The rib structure is provided on the bottom wall 311 of the bottom body of the bottom body of the existing bottom body 310 and the bottom wall of the body of the barrel body, so that the bottom of the bottom cover 320 is connected to the bottom of the bottom body 310, and the rib structure is In an enclosed space.

The first connecting surface 314 is disposed on the outer side of the bottom wall of the bottom body 310 of the present embodiment. The second connecting surface 328 is disposed on the inner side of the bottom wall of the bottom cover 320. The first connecting surface 314 is sealingly connected to the second connecting surface 328. A third connecting surface 315 is disposed on the sidewall of the bottom body 310. The sidewall end of the bottom cover 320 is a fourth connecting surface 321 . The third connecting surface 315 is sealingly connected to the fourth connecting surface 321 . In this way, the two bottom edge joints of the bottom body 310 of the present invention and the bottom cover 320 are sealed in a sealed manner such that the rib structure between the two edge joints is in a closed space.

The first connecting surface 314 of the embodiment is sealingly connected with the second connecting surface 328 to form a sealing surface, and the third connecting surface 315 is sealingly connected with the fourth connecting surface 321 to form a sealing surface, and the reinforcing rib structures on the bottom body 310 are all located. In the confined space between the two sealing surfaces, it is completely isolated from the outside world, avoiding the contact of the washing water, and fundamentally eliminates the problem of breeding bacteria or accumulating dirt at the structure of the rib reinforcement at the bottom of the barrel.

Specifically, the first opening is formed on the bottom wall of the bottom body 310 of the present embodiment, and the first opening extends to the outside of the inner tub to form a first connecting surface 314. The bottom wall of the bottom cover 320 defines a second opening corresponding to the first opening. The second opening extends toward the inner side of the inner tub to form a second connecting surface 328.

The first opening on the bottom body 310 is for mounting the washing machine pulsator, and therefore, the first opening is the innermost edge of the bottom body 310. The second opening is formed in the bottom cover 320 of the bucket to match the bottom body 310 of the bucket, and does not affect the installation of the pulsator. The second opening is the innermost edge of the bottom cover 320. Therefore, the present invention sets the first connection face 314 at the first opening Upper, the second connecting surface 328 is disposed on the second opening such that the innermost edge of the bottom body 310 is sealingly coupled to the innermost edge of the bottom cover 320.

A rib structure is disposed on a lower portion of the side wall and a bottom wall of the bottom body 310 of the present invention. A third connecting surface 315 is disposed at a joint of the side wall of the bottom body 310 and the rib structure, and the side of the bottom cover 320 is provided. The wall end is a fourth connecting surface 321 . The third connecting surface 315 and the fourth connecting surface 321 of the present invention are disposed at the outermost edge of the joint between the bottom body 310 and the bottom cover 320 such that the outermost edge of the bottom body 310 and the outermost edge of the bottom cover 320 Sealed connection.

The inner tub bottom 300 of the washing machine is also connected to the drive shaft, and the drive shaft realizes the rotation of the inner tub under the driving of the motor. Since the inner tub bottom 300 is generally formed by injection molding, in order to ensure the connection strength between the inner tub bottom 300 and the transmission shaft, the inner tub bottom is generally The flange structure is installed on the 300, and the flange structure is generally made of a metal material. Specifically, the barrel bottom 300 of the present invention is provided with a flange structure, and the flange structure is disposed outside the bottom wall of the bottom cover 320. The flange structure is installed on the outer side of the bottom wall of the bottom cover 320, so that the installation of the flange structure does not affect the sealing surface between the bottom body 310 and the bottom cover 320, and the sealing connection is ensured.

In order to achieve a sealed connection between the bottom body 310 and the bottom cover 320, the bottom cover 320 of the present invention is integrally coupled to the bottom body 310 by means of fusion, the first connecting surface 314 and the second connecting surface. 328. The third connecting surface 315, the fourth connecting surface 321, the fifth connecting surface 316, and the sixth connecting surface 327 are respectively melted surfaces. By means of the fusion method, the connection faces can be melted and integrated into one body, ensuring the connection tightness and having a good sealing effect.

Another object of the present invention is to provide a washing machine having the inner tub of the above-mentioned washing machine, wherein the inner tub is rotatably disposed in the outer tub, and the inner tub and the outer tub are disposed between the inner tub and the outer tub for cleaning the inner wall of the inner tub and the inner wall of the outer tub. Clean particles. Therefore, after the washing machine of the present invention adopts the above-mentioned inner tub of the washing machine, the entire outer surface of the inner tub bottom has a smooth flat structure, and the cleaning particles can better clean the inner tub bottom. At the same time, the washing machine of the embodiment forms a bottom balance ring at the bottom of the inner tub 200, which can better balance the unbalanced load at the bottom of the inner tub, so that the washing machine can work more stably and efficiently.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any technology that is familiar with the present patent. Those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content of the above-mentioned hints without departing from the technical scope of the present invention, but the technology according to the present invention does not deviate from the technical solution of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments are still within the scope of the present invention.

Claims

An inner tub of a washing machine, comprising: a barrel body, a bottom cover of the bottom of the barrel body is installed, a closed annular through groove is formed between the bottom cover of the bottom of the barrel and the bottom of the barrel body, or the bottom cover of the barrel bottom cover The utility model has a closed annular channel; the annular channel is filled with an equilibrium medium to form an inner barrel bottom balance ring.
The inner tub of the washing machine according to claim 1, wherein the outer edge and the inner edge of the bottom cover are respectively sealingly connected with the bottom of the barrel, and the bottom cover between the outer edge and the inner edge is The bottom of the barrel has at least one annular sealing connection that divides the area between the bottom cover of the tub and the bottom of the barrel into a plurality of closed chambers, wherein at least one of the closed chambers extends circumferentially to form an annular through groove.
The inner tub of the washing machine according to claim 2, wherein the bottom of the barrel corresponding to the annular through groove is a smooth plane, and the smooth plane is spaced apart from the inner side of the bottom wall of the bottom cover;

Alternatively, the bottom of the barrel body is provided with a reinforcing rib structure, and a rib structure on the bottom of the barrel corresponding to the annular through groove is provided with a slit to penetrate the closed area between the reinforcing rib structures.
The inner tub of the washing machine according to claim 1, wherein the bottom of the barrel body is provided with a reinforcing rib structure, and the outer surface of the bottom cover of the barrel is a smooth surface; the bottom cover of the barrel is sealed with the bottom of the barrel body. Forming a unitary structure, the bottom cover of the bucket completely covers the structure of the reinforcing rib; the rib structure is provided with a slit to penetrate the closed area between the rib structures to form an annular through groove.
The inner tub of the washing machine according to claim 4, wherein the reinforcing rib structure comprises an annular reinforcing rib and a radial reinforcing rib, the annular reinforcing rib is disposed concentrically with the bottom of the barrel body, and the radial reinforcing rib is along the barrel body The bottom portion is radially disposed, and the annular reinforcing rib and the radial reinforcing rib are arranged to cross each other; the outermost annular reinforcing rib is sealingly connected with the bottom cover of the barrel, and the radial reinforcing rib between the outermost annular reinforcing rib and the outer outer edge of the bottom of the barrel body Open the gap to form an annular groove.
The inner tub of the washing machine according to claim 4, wherein the bottom of the barrel is provided with a waterway mounting portion corresponding to the waterway installation, the waterway mounting portion is located in the annular through groove, and the outer surface of the waterway mounting portion is smooth. surface.
The inner tub of the washing machine according to any one of claims 1 to 3, wherein the bottom cover of the tub is provided with a liquid injection port for injecting a balance medium, and the liquid injection port is injected after the balance medium is injected. , closed with a valve plug.
The inner tub of the washing machine according to any one of claims 1 to 3, wherein a flange structure is installed at a bottom of the tub body, and the flange structure is disposed outside a bottom wall of the bottom cover of the tub; a screw column is arranged at a bottom of the barrel body, and a screw hole is arranged on the bottom wall of the bottom cover of the barrel bottom, and the flange structure is fixed on the bottom of the barrel body by a screw and a screw column;

The inner side of the bottom wall of the bottom cover of the tub is disposed on the periphery of the screw hole, and the end of the convex structure is a sixth connecting surface, and a ring-shaped reinforcing rib is arranged on the bottom of the barrel body at the periphery of the screw column. The end of the annular reinforcing rib is a fifth connecting surface, and the sixth connecting surface is sealingly connected with the fifth connecting surface;

The annular reinforcing rib forms an annular through groove with the outer edge of the bottom of the barrel.
The inner tub of the washing machine according to any one of claims 1 to 3, wherein a bottom surface of the bottom of the tub body is provided with a first connecting surface, and a second connecting surface is disposed on the inner side of the bottom wall of the bottom cover of the tub. The first connecting surface is sealingly connected to the second connecting surface; the bottom connecting side wall of the barrel body is provided with a third connecting surface, and the side wall end of the bottom cover of the barrel is a fourth connecting surface, the third connecting surface and the fourth connecting surface Sealed connection

The bottom cover of the bucket is integrally connected with the bottom of the barrel by means of fusion, the first connecting surface, the second connecting surface, the third connecting surface, the fourth connecting surface, the fifth connecting surface and the sixth connection The faces are the melted faces.
A washing machine having an inner tub according to any one of claims 1-9.