CN112064292A - Washing machine inner barrel assembly and installation method thereof - Google Patents

Abstract

The invention discloses an inner tub assembly of a washing machine and an installation method of the inner tub assembly of the washing machine. The inner tub assembly of the washing machine of the present invention includes an inner tub, the front end of the inner tub has a clothes feeding port, the rear end of the inner tub has an inner tub bottom that closes the tub bottom opening, and a rotatable A pulsator; the radial dimension of the pulsator is greater than the radial dimension of the clothes delivery opening, and is less than or equal to the radial dimension of the tub bottom opening. The radial dimension of the pulsator of the inner tub assembly of the washing machine provided by the present invention is larger than the radial dimension of the clothes feeding port, and smaller than the radial dimension of the bottom opening of the tub, so that the radial dimension of the pulsator is relatively large, so that the pulsator and the clothes are relatively large. The larger contact area improves the washing efficiency of the washing machine. The invention also provides an installation method of the inner tub assembly of the washing machine, which includes the following steps: rotatably installing the pulsator inside the inner tub;

Description

A washing machine inner drum assembly and installation method of the washing machine inner drum assembly

technical field

The invention belongs to the field of washing machines, and in particular relates to an inner tub assembly of a washing machine and an installation method of the inner tub assembly of a washing machine.

Background technique

A washing machine is a cleaning appliance that can use electrical energy to produce mechanical action to wash clothes. At present, the washing machines on the market mainly include a pulsator washing machine and a drum washing machine; among them, the drum washing machine mainly uses the motor behind it to drive the drum to rotate. The clothes are lifted and dropped, lifted and dropped again, repeated movements, and the interaction between the washing water and the clothes makes the clothes clean, but the washing method of the washing machine is gentle, the washing time is longer, and the resources are wasted; The washing machine mainly uses the forward and reverse rotation of the pulsator to drive the forward and reverse rotation of the water flow. During the rotation of the water flow, the contact between the clothes and the detergent is increased, and the stains are removed, but the pulsator washing machine is more water-intensive, the washing effect is uneven, and the local stains are difficult to remove; Therefore, in order to overcome the respective shortcomings of the drum washing machine and the pulsator washing machine, there is a washing machine in the prior art, which is provided with a pulsator. The washing machine has the dual functions of a drum washing machine and a pulsator washing machine at the same time;

For the washing machine in the prior art, the structure of the washing machine includes a casing, an inner cylinder assembly disposed inside the casing, an outer cylinder and a rotating mechanism, and a driving device for driving the inner cylinder and the pulsator to rotate is installed in the outer cylinder, Specifically, the inner cylinder structure includes a cylinder body, an inner cylinder bottom, a pulsator, a front flange, a rear flange, and an assembly frame, wherein the front end of the cylinder body has a front flange, and the inner circumference of the front flange is a clothes feeding port, and the inner circumference of the front flange is a clothes feeding port. The rear end of the cylinder has an inner cylinder bottom that closes the bottom opening of the cylinder, and a rotatable pulsator is installed inside the inner cylinder; the inner cylinder bottom, the rear flange and the assembling frame are fixed together by fasteners, so that the inner cylinder bottom can be The bottom of the cylinder is closed, and the pulsator is rotatably installed inside the cylinder; when the inner cylinder assembly is assembled, the rear flange, the assembling frame and the bottom of the inner cylinder are fixed together by fasteners. The front flange enters the inside of the cylinder and is connected to the drive device; since the radial dimension of the front flange is smaller than the radial dimension of the rear assembly frame and the radial dimension of the cylinder, and the pulsator is put into the cylinder through the front flange, the pulsator is The radial dimension of the pulsator is smaller than the radial dimension of the clothes delivery opening of the front flange, so that the radial dimension of the pulsator is relatively small, so that the contact area between the pulsator and the clothes is small, resulting in low washing efficiency of the washing machine.

SUMMARY OF THE INVENTION

The first technical problem to be solved by the present invention is to overcome the disadvantage of low washing efficiency of washing machines in the prior art, and to provide an inner tub assembly of a washing machine.

In order to solve the above-mentioned technical problems, the basic conception of the technical scheme adopted in the present invention is:

In one aspect of the present invention, there is provided an inner tub assembly of a washing machine, including an inner tub, a front end of the inner tub has a clothes feeding port, a rear end of the inner tub has an inner tub bottom that closes the tub bottom opening, and the inner tub has an inner tub. A rotatable pulsator is installed; the radial dimension of the pulsator is larger than the radial dimension of the clothes delivery opening, and is smaller than or equal to the radial dimension of the bottom opening of the drum.

Further, the inner cylinder comprises a cylinder body, the front end opening of the cylinder body is provided with an annular front flange, the outer periphery of the annular front flange is connected with the cylinder body, and the inner periphery is a clothes drop port;

Preferably, the radial dimension of the opening at the front end of the cylinder is larger than the radial dimension of the pulsator.

Further, the rear end of the cylinder body is provided with a ring of assembling frames, and the inner circumference of the assembling frame forms a bottom opening of the cylinder;

The inner cylinder bottom is fixed on the assembling frame and covers at least the opening of the cylinder bottom; the radial dimension of the pulsator is smaller than the inner circumference size of the assembling frame;

Preferably, a rear flange is installed on the bottom of the inner cylinder, and the outer periphery of the rear flange is provided with a flange, and the flange is connected with the outer peripheral wall of the assembly frame; The inner peripheral wall of the assembling frame is in contact with the cylinder body.

Further, the pulsator is rotatably mounted on the bottom of the inner cylinder; the radial dimension of the pulsator is smaller than the radial dimension of the bottom of the inner cylinder.

Another object of the present invention is to provide an installation method for the inner tub assembly of a washing machine, so as to achieve the purpose of improving the washing efficiency of the washing machine. In order to achieve the above purpose, a method for installing the inner tub assembly of a washing machine is provided, comprising the following steps:

The pulsator is rotatably installed inside the inner cylinder;

Fix the bottom of the inner cylinder to the rear end of the cylinder and block the bottom of the cylinder.

Further, when applied to the inner tub assembly of the washing machine provided by the above technical solution, a pulsator with a radial dimension larger than the radial dimension of the clothes throwing port and smaller than or equal to the radial dimension of the tub bottom opening is installed in the inner tub.

Further, the rotatable installation of the pulsator inside the inner cylinder specifically includes:

An annular front flange is installed at the front end of the cylinder body, and the inner circumference of the annular front flange is a clothes feeding port;

The pulsator is put into the cylinder body through the cylinder bottom opening provided at the rear end of the cylinder body.

Further, the rotatable installation of the pulsator in the interior of the inner cylinder specifically includes: putting the pulsator into the interior of the cylinder through an opening provided at the front end or the rear end of the cylinder;

An annular front flange is installed at the front end of the cylinder body, and the inner periphery of the annular front flange forms a clothes feeding port.

Further, the pulsator is rotatably installed on the bottom of the inner cylinder, and then the inner cylinder bottom equipped with the pulsator is installed at the bottom opening of the cylinder at the rear end of the cylinder body, and the side with the pulsator will be installed when the inner cylinder bottom is assembled. Set it toward the inner side of the cylinder, and place the pulsator inside the cylinder.

Further, placing the bottom of the inner cylinder in a ring of assembling frames provided at the rear end of the inner cylinder, and fixing the bottom of the inner cylinder on the assembling frame;

Preferably, a rear flange is installed on the bottom of the inner cylinder, and the outer peripheral flange of the rear flange is fixed to the assembling frame;

Further preferably, the outer circumference of the bottom of the inner cylinder is in contact with the inner circumference of the assembly frame, and the flange of the rear flange is fixedly connected to the outer peripheral wall of the assembly frame.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

1. The radial dimension of the pulsator of the inner drum assembly of the washing machine provided by the present invention is larger than the radial dimension of the clothes drop opening, and smaller than the radial dimension of the bottom opening of the drum, so that the radial dimension of the pulsator is relatively large, so that the pulsator is relatively large. The contact area with the clothes is larger, and the washing efficiency of the washing machine is improved.

2. The front end of the barrel of the inner barrel assembly of the washing machine provided by the present invention is equipped with a front flange, and the inner periphery of the front flange is formed with a clothes drop port, so that the pulsator can be installed in the barrel through the opening provided at the front end of the barrel, and can also be installed in the barrel through the opening provided at the front of the barrel. The cylinder bottom opening provided at the rear end of the cylinder body is installed in the cylinder body, so that the radial dimension of the pulsator is relatively large, so that the contact area between the pulsator and the clothes is large, and the washing efficiency of the washing machine is improved.

3. The installation method of the inner tub assembly of the washing machine provided by the present invention includes installing a pulsator with a radial dimension larger than the radial dimension of the clothes drop opening and smaller than or equal to the radial dimension of the tub bottom opening in the inner tub, and installing the inner tub bottom. It is fixed at the rear end of the cylinder body and blocks the bottom opening of the cylinder, so that the radial dimension of the pulsator is relatively large, so that the contact area between the pulsator and the clothes is large, and the washing efficiency of the washing machine is improved.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

1 is a schematic structural diagram of an inner tub assembly of a washing machine provided by an embodiment of the present invention;

2 is a schematic structural diagram of a pulsator in an inner tub assembly of a washing machine provided by an embodiment of the present invention;

3 is a schematic structural diagram of a rear flange in an inner tub assembly of a washing machine provided by an embodiment of the present invention;

4 is a flowchart of a method for installing an inner tub assembly of a washing machine provided by an embodiment of the present invention;

5 is a flowchart of a method for installing an inner tub assembly of a washing machine according to an embodiment of the present invention;

6 is a flowchart of a method for installing an inner tub assembly of a washing machine according to an embodiment of the present invention;

FIG. 7 is a flowchart of a method for installing an inner tub assembly of a washing machine according to an embodiment of the present invention.

In the figure: 1- cylinder body; 2- pulsator; 21- pulsator base plate; 22- first sub-flanging; 23- second sub-flanging; 3- front flange; 4- assembly frame; 5- inner cylinder Bottom; 6-rear flange; 61-flange.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purposes, 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 to illustrate the present invention , but 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 , an embodiment of the present invention provides an inner tub of a washing machine, which includes an inner tub, the front end of the inner tub has a clothes feeding opening, and the rear end of the inner tub has an inner tub bottom 5 that closes the tub bottom opening. A rotatable pulsator 2 is installed inside the drum; it is characterized in that the radial dimension of the pulsator 2 is larger than the radial dimension of the clothes drop opening, and smaller than or equal to the radial dimension of the bottom opening of the drum.

In the prior art washing machine, when assembling the inner tub assembly, the rear flange, the assembling frame and the inner tub bottom are fixed together by fasteners, and then the pulsator enters the interior of the tub body 1 through the front flange and is connected to the inner tub. The drive device is connected; since the radial dimension of the front flange is smaller than the radial dimension of the rear assembly frame and the radial dimension of the cylinder 1, and the pulsator is put into the cylinder through the front flange, the radial dimension of the pulsator is smaller than that of the former method. The radial size of the clothes feeding port of the lantern makes the radial size of the pulsator relatively small, so that the contact area between the pulsator and the clothes is small, resulting in low washing efficiency of the washing machine.

In the embodiment of the present invention, since the radial dimension of the pulsator 2 is larger than the radial dimension of the clothes feeding opening, and is smaller than or equal to the radial dimension of the bottom opening of the cylinder, the radial dimension of the pulsator 2 in this embodiment is relatively The radial size of the pulsator 2 in the prior art becomes larger, so that the contact area between the pulsator 2 and the clothes is larger, so that the washing efficiency of the washing machine is higher;

The process of installing the inner drum assembly of the washing machine is as follows: install the pulsator 2 whose radial dimension is larger than the radial dimension of the clothes feeding opening and is smaller than or equal to the radial dimension of the drum bottom opening in the inner drum; At the rear end, block the bottom opening of the cylinder.

It should be noted that the section of the inner cylinder of the washing machine is generally circular, and the section is perpendicular to the axis of the cylinder 1; and the section of the pulsator is generally circular, and the section is the axis of the pulsator. Line vertical section.

As shown in FIG. 2 , for the pulsator, when the pulsator 2 includes a circular pulsator base plate 21, the radial dimension of the pulsator base plate 21 is larger than the radial dimension of the clothes feeding opening, and smaller than the diameter of the bottom opening of the cylinder. There is an accommodating cavity inside the cylinder body 1, the pulsator base plate 21 is installed on the port in the accommodating cavity, the pulsator base plate 21 is connected with the rotating shaft of the rotating mechanism and rotates following the rotation of the shaft, and rotates along the pulsator base plate 21 The circumferential direction of the pulsator base plate 21 is provided with a plurality of stirring blades inclined downward from the center of the pulsator base plate 21 to its outer circumference. The inclined stirring blades make the stirring blade itself have a certain height difference, which can enhance the washing of the pulsator. A concave collection groove is defined on the pulsator base plate 21 between adjacent stirring blades, and preferably, a plurality of stirring blades are evenly arranged along the circumferential direction of the pulsator base plate 21;

When the pulsator 2 includes the pulsator base plate 21 and the first sub-flange 22 disposed on the outer periphery of the pulsator base plate 21, and the radial dimension of the first sub-flange 22 is greater than or equal to the radial dimension of the pulsator base plate 21, the first sub-flange 22 The radial size of the flange 22 is larger than the radial size of the clothes throwing port, and is smaller than the radial size of the bottom opening of the cylinder; The gap between them can reduce the probability of coins falling into the accommodating cavity and the probability of coins blocking the drain;

When the pulsator includes the pulsator base plate 21 , the first sub-flange 22 and the second sub-flange 23 arranged on the outer periphery of the first sub-flange 22 , the radial dimension of the plane where the second sub-flange 23 is located is larger than the size of the clothes feeding port. The radial dimension is smaller than the radial dimension of the bottom opening of the cylinder; the second sub-flange 23 is installed at the port in the accommodating cavity, and the second sub-flange 23 can close the gap between the first sub-flange 22 and the port of the accommodating cavity It is closed, which can prevent coins and the like from falling into the accommodating cavity and prevent coins and the like from blocking the drain port.

As shown in FIG. 1 , in the embodiment of the present invention, the inner cylinder includes a cylinder body 1 , an annular front flange 3 is installed at the front opening of the cylinder body 1 , and the outer circumference of the annular front flange 3 is connected to the cylinder body 1 , and the inner Around the clothes drop port;

Preferably, the radial dimension of the opening at the front end of the cylinder is larger than the radial dimension of the pulsator.

In the embodiment of the present invention, an annular front flange 3 is installed at the front end of the cylinder body 1 , and the inner circumference of the annular front flange 3 is a clothes feeding port, and the radial size of the clothes feeding port is smaller than the radial size of the pulsator. , so that the radial dimension of the pulsator 2 in this embodiment is larger than the radial dimension of the pulsator in the prior art, so that the contact area between the pulsator 2 and the clothes is larger, so that the washing efficiency of the washing machine is higher. high;

A process of installing the inner drum assembly of the washing machine is as follows: installing the annular front flange 3 on the front end of the drum body 1; putting the pulsator into the drum body 1 through the drum bottom opening provided at the rear end of the drum body 1; placing the inner drum bottom 5 It is fixed to the rear end of the cylinder body 1 and blocks the bottom opening of the cylinder.

Another process of installing the inner drum assembly of the washing machine is: put the pulsator into the drum body 1 through the opening provided at the front end of the drum body 1; The clothes feeding port is formed; the inner cylinder bottom 5 is fixed to the rear end of the cylinder body 1, and the bottom opening of the cylinder is blocked.

Another process of installing the inner drum assembly of the washing machine is: putting the pulsator into the drum body 1 through the opening provided at the rear end of the drum body 1; installing an annular front flange 3 at the front end of the drum body 1, The clothes throwing port is formed around; the inner cylinder bottom 5 is fixed to the rear end of the cylinder body 1 to block the bottom opening of the cylinder.

Further, an annular assembly frame is installed on the front end of the cylinder body 1, the front flange 3 includes an annular flange base body, and the outer periphery of the annular flange base body is provided with a third sub-flange; the outer edge of the annular assembly frame and the front end of the cylinder body 1 The edges are sealed and connected, the third sub-flanging is installed on the front assembly frame, and the inner circumference of the front end of the annular flange base body forms the clothes feeding port; Installed on the annular assembly frame; put the pulsator into the cylinder body 1 through the cylinder bottom opening provided at the rear end of the cylinder body 1 .

As shown in FIG. 1 , in the embodiment of the present invention, the rear end of the cylinder body 1 is provided with an assembly frame 4, and the inner periphery of the assembly frame 4 forms a cylinder bottom opening;

The inner cylinder bottom 5 is fixed on the assembling frame 4 and covers at least the opening of the cylinder bottom; the radial dimension of the pulsator 2 is smaller than the radial dimension of the inner circumference of the assembling frame 4;

As shown in FIG. 3 , preferably, a rear flange 6 is installed on the inner cylinder bottom 5, and the outer periphery of the rear flange 6 is provided with a flange 61, and the flange 61 is connected with the outer peripheral wall of the assembly frame 4; The outer periphery is in contact with the inner peripheral wall of the mounting frame 4 in contact with the cylindrical body 1 .

In the embodiment of the present invention, the rear end of the cylinder body 1 is provided with a ring of assembling frame 4, the inner circumference of the assembling frame 4 is a cylinder bottom opening, and the radial dimension of the cylinder bottom opening is larger than that of the impeller 2, so that the The radial dimension of the pulsator 2 in the example becomes larger relative to the radial dimension of the pulsator 2 in the prior art, so that the contact area of the pulsator 2 with the clothes is larger, so that the washing efficiency of the washing machine is higher; wherein , the assembly frame 4 is integrally formed with the cylinder body 1;

When the annular front flange 3 is installed at the front end of the cylinder body 1, one process of installing the inner cylinder assembly is: install the annular front flange 3 on the front end of the cylinder body 1; put the pulsator 2 into the cylinder body 1 through the bottom opening of the cylinder inside; fix the inner cylinder bottom 5 on the assembly frame 4.

When the annular front flange 3 is installed at the front end of the cylinder body 1, another process of installing the inner cylinder assembly is: put the pulsator 2 into the cylinder body 1 through the opening provided at the front end of the cylinder body 1; The front flange 3 of the ring-shaped front flange 3 is formed into a clothes feeding port; the inner cylinder bottom 5 is fixed on the assembling frame 4.

When the annular front flange 3 is installed at the front end of the cylinder body 1, another process of installing the inner cylinder assembly is: put the pulsator 2 into the cylinder body 1 through the opening provided at the rear end of the cylinder body 1; install it at the front end of the cylinder body 1 The annular front flange 3 has an inner circumference of the annular front flange 3 to form a clothes throwing port;

Further, when the rear flange 6 is installed on the inner cylinder bottom 5, and the outer periphery of the rear flange 6 is provided with a flange 61, for a process of installing the inner cylinder assembly, the process is as follows:

The annular front flange 3 is installed on the front end of the cylinder body 1; the pulsator 2 is put into the interior of the cylinder body 1 through the bottom opening of the cylinder; the inner cylinder bottom 5 is put into the assembly frame 4, and the flange 61 is wrapped in the assembly frame 4. On the outer peripheral wall, wherein the inner cylinder bottom 5 is provided with mounting holes, and the assembly frame 4 is provided with mounting holes adapted to the mounting holes on the inner cylinder bottom 5, and the inner cylinder bottom is fixed by fasteners such as bolts and nuts. The mounting holes of 5 and the mounting holes of mounting frame 4 are fixed together.

In the embodiment of the present invention, the pulsator 2 is rotatably mounted on the inner cylinder bottom 5 ; the radial dimension of the pulsator 2 is smaller than the radial dimension of the inner cylinder bottom 5 .

In the embodiment of the present invention, when the annular front flange 3 is installed at the front end of the cylinder body 1, one process of installing the inner cylinder assembly is: installing the annular front flange 3 on the front end of the cylinder body 1; It is rotatably installed on the inner cylinder bottom 5, and then the inner cylinder bottom 5 equipped with the pulsator 2 is installed on the cylinder bottom opening at the rear end of the cylinder body 1. When assembling the inner cylinder bottom 5, the side with the pulsator 2 will face The inner direction of the cylinder body 1 is arranged, and the pulsator 2 is located inside the cylinder body 1; wherein, the inner cylinder bottom 5 equipped with the pulsator 2 is installed on the cylinder bottom at the rear end of the cylinder body 1. The way is: the pulsator 2 and the inner cylinder bottom 5 is put into the assembly frame 4, and the flange 61 is wrapped on the outer peripheral wall of the assembly frame 4, wherein the inner cylinder bottom 5 is provided with a mounting hole, and the assembly frame 4 is provided with a mounting hole on the inner cylinder bottom 5 to match The mounting holes on the bottom of the inner cylinder 5, the mounting holes on the assembly frame 4 and the mounting holes on the bottom of the inner cylinder are provided with mounting holes on the flange 61, which are adapted to the mounting holes on the bottom of the inner cylinder. The mounting holes of the sides 61 are fixed together; the cross-section of the mounting frame 4 is circular, and the cross-section is a cross-section perpendicular to the axis line of the mounting frame 4 .

The embodiment of the present invention also provides an installation method of the inner tub assembly of the washing machine, including the following steps:

S1: the pulsator 2 is rotatably installed inside the inner cylinder;

S2: Fix the inner cylinder bottom 5 on the rear end of the cylinder body 1 and block the bottom opening of the cylinder.

In the embodiment of the present invention, a process of installing the inner cylinder assembly is as follows: the pulsator 2 is installed inside the inner cylinder through the front end of the inner cylinder; the inner cylinder bottom 5 is fixed to the rear end of the cylinder body 1 and blocked The bottom of the cylinder; another process of installing the inner cylinder assembly is: install the pulsator 2 from the rear end of the inner cylinder to the interior of the inner cylinder; fix the inner cylinder bottom 5 on the rear end of the cylinder body 1, and seal the cylinder bottom mouth.

As shown in FIG. 4 , in the embodiment of the present invention, when applied to the inner tub assembly of the washing machine provided by the above technical solution, the radial dimension of the inner tub of the washing machine is larger than the radial dimension of the clothes feeding port and smaller than or equal to the radial dimension of the tub bottom port. The impeller 2 is installed in the inner cylinder.

In the embodiment of the present invention, the radial size of the pulsator 2 installed in the inner cylinder is larger than the radial size of the clothes throwing port and smaller than the radial size of the bottom opening of the cylinder, so that the radial size of the pulsator 2 in this embodiment is relative to The radial size of the pulsator 2 in the prior art becomes larger, so that the contact area between the pulsator 2 and the clothes is larger, so that the washing efficiency of the washing machine is higher.

As shown in Figure 5, in the embodiment of the present invention, the rotatable installation of the pulsator inside the inner cylinder specifically includes:

S11: install an annular front flange 3 at the front end of the cylinder body 1, and the inner circumference of the annular front flange 3 forms a clothing injection port; S12: place the

The pulsator 2 is put into the cylinder body 1 through the cylinder bottom opening provided at the rear end of the cylinder body 1 .

In the embodiment of the present invention, the pulsator 2 is installed inside the cylinder body 1 through the rear end of the cylinder body 1, because the radial dimension of the pulsator 2 is larger than the radial dimension of the clothes feeding opening, and smaller than the diameter of the bottom opening of the cylinder Compared with the radial dimension of the pulsator 2 in the prior art, the radial dimension of the pulsator 2 in this embodiment becomes larger, so that the contact area between the pulsator 2 and the clothes is larger, so that the washing machine can wash Higher efficiency.

As shown in Figure 6, in the embodiment of the present invention, the rotatable installation of the pulsator inside the inner cylinder specifically includes:

S11: put the pulsator 2 into the interior of the cylinder 1 through the opening provided at the front end of the cylinder 1 or the rear end;

S12: An annular front flange 3 is installed at the front end of the cylinder body 1, and the inner circumference of the annular front flange 3 forms a clothes feeding port.

In the embodiment of the present invention, rotatably installing the pulsator inside the inner cylinder specifically includes: putting the pulsator 2 into the cylinder body 1 through the opening provided at the front end of the cylinder body 1; The front flange 3, the inner circumference of the annular front flange 3 is a clothes feeding port, the pulsator 2 is put into the cylinder body 1 through the opening provided at the front end of the cylinder body 1, and the radial dimension of the pulsator 2 is larger than the radial direction of the clothes feeding port. size, the opening at the front end of the cylinder 1 is larger than the clothes feeding port, so that the radial dimension of the pulsator 2 in this embodiment is larger than the radial dimension of the pulsator 2 in the prior art, so that the pulsator 2 and the clothes are larger. The contact area is larger, so that the washing efficiency of the washing machine is higher.

And, as shown in FIG. 7 , the rotatable installation of the pulsator in the interior of the inner cylinder specifically includes: putting the pulsator 2 into the interior of the cylinder 1 through the opening provided at the rear end of the cylinder 1; The front flange 3, the inner circumference of the annular front flange 3 is a clothes throwing port, the pulsator 2 is put into the cylinder body 1 through the opening provided at the rear end of the cylinder body 1, and the radial dimension of the pulsator 2 is larger than the size of the clothes throwing port. The radial dimension is smaller than or equal to the radial dimension of the bottom opening of the cylinder, so that the radial dimension of the pulsator 2 in this embodiment becomes larger than the radial dimension of the pulsator 2 in the prior art, so that the pulsator 2 The contact area with the clothes is larger, so that the washing efficiency of the washing machine is higher.

In the embodiment of the present invention, the pulsator 2 is rotatably installed on the inner cylinder bottom 5, and then the inner cylinder bottom 5 equipped with the pulsator 2 is installed on the cylinder bottom opening at the rear end of the cylinder body 1, and the inner cylinder is assembled after assembling the inner cylinder bottom 5. In the case of the bottom 5, the side with the pulsator 2 is set toward the inner side of the cylindrical body 1, and the pulsator 2 is placed inside the cylindrical body 1.

In the embodiment of the present invention, the pulsator 2 is put into the cylinder body 1 through the inner cylinder bottom 5 at the rear end of the cylinder bottom, and the radial dimension of the pulsator 2 is larger than the radial dimension of the clothes drop opening, and is less than or equal to the diameter of the cylinder bottom opening. The radial dimension makes the radial dimension of the pulsator 2 in this embodiment larger than the radial dimension of the pulsator 2 in the prior art, so that the contact area of the pulsator 2 with the clothes is larger, so that the Higher washing efficiency.

In the embodiment of the present invention, the inner cylinder bottom 5 is placed in a ring of assembling frame 4 provided at the rear end of the inner cylinder, and the inner cylinder bottom 5 is fixed on the assembling frame 4 .

Preferably, the rear flange 6 is installed on the inner cylinder bottom 5, and the flange 61 of the rear flange 6 is fixed to the assembly frame 4;

Further preferably, the outer circumference of the inner cylinder bottom 5 is in contact with the inner circumference of the assembly frame 4 , and the flange 61 of the rear flange 6 is fixedly connected to the outer peripheral wall of the assembly frame 4 .

In the embodiment of the present invention, the specific method of the inner cylinder bottom 5 blocking the cylinder bottom opening: the inner cylinder bottom 5 is placed in the assembly frame 4, the flange 61 of the rear flange 6 is wrapped on the outer peripheral wall of the assembly frame 4, The inner cylinder bottom 5 is provided with mounting holes, the assembly frame 4 is provided with mounting holes adapted to the mounting holes on the inner cylinder bottom 5, and the flange 61 is provided with mounting holes adapted to the mounting holes of the inner cylinder bottom , the mounting holes of the inner cylinder bottom 5 , the mounting holes on the assembling frame 4 and the mounting holes of the flange 61 are fixed together by fasteners such as bolts and nuts.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (10)

1. An inner barrel assembly of a washing machine comprises an inner barrel, wherein the front end of the inner barrel is provided with a clothes feeding opening, the rear end of the inner barrel is provided with an inner barrel bottom for sealing a barrel bottom opening, and a rotatable impeller is arranged in the inner barrel; the radial size of the impeller is larger than that of the clothes throwing opening and is smaller than or equal to that of the bottom opening of the drum.

2. The washing machine inner barrel assembly according to claim 1, wherein the inner barrel comprises a barrel body, an annular front flange is installed at the front end opening of the barrel body, the outer periphery of the annular front flange is connected with the barrel body, and the inner periphery of the annular front flange surrounds a clothes throwing opening;

preferably, the radial dimension of the front end opening of the cylinder body is larger than the radial dimension of the impeller.

3. A washing machine drum assembly according to claim 2, characterized in that the rear end of the drum body is provided with a circle of assembly frame, and the inner periphery of the assembly frame is formed into a drum bottom opening;

the inner cylinder bottom is fixed on the assembly frame and at least covers the cylinder bottom opening; the radial size of the impeller is smaller than the inner circumference radial size of the assembling frame;

preferably, a rear flange is mounted on the inner cylinder bottom, a flange is arranged on the periphery of the rear flange, and the flange is connected with the outer peripheral wall of the assembly frame; the periphery at the bottom of the inner cylinder and the inner peripheral wall of the assembly frame are attached to and contact with the cylinder body.

4. A washing machine inner barrel assembly according to any of claims 1 to 3, wherein the impeller is rotatably mounted on the inner barrel base; the radial dimension of the impeller is smaller than that of the inner cylinder bottom.

5. A method for mounting an inner cylinder assembly of a washing machine is characterized by comprising the following steps:

rotatably mounting the impeller inside the inner cylinder;

the bottom of the inner cylinder is fixed at the rear end of the cylinder body and the bottom opening of the cylinder is plugged.

6. The mounting method of an inner tub assembly of a washing machine as claimed in claim 5, wherein a pulsator having a radial dimension greater than a radial dimension of a laundry input port and equal to or less than a radial dimension of a tub bottom port is mounted in the inner tub by applying to the inner tub assembly of a washing machine as claimed in any one of claims 1 to 4.

7. The method of claim 5 or 6, wherein rotatably mounting the pulsator to the inside of the inner tub comprises:

the front end of the cylinder body is provided with an annular front flange, and the inner periphery of the annular front flange forms a clothes throwing opening;

and placing the impeller into the barrel through a barrel bottom opening formed in the rear end of the barrel.

8. The method of claim 5 or 6, wherein rotatably mounting the pulsator inside the inner tub comprises:

the impeller is placed in the barrel through an opening arranged at the front end or the rear end of the barrel;

the front end of the cylinder body is provided with an annular front flange, and the inner periphery of the annular front flange forms a clothes throwing opening.

9. The mounting method of an inner tub assembly of a washing machine as claimed in claim 5 or 6, wherein the pulsator is rotatably mounted on the inner tub bottom, and the inner tub bottom to which the pulsator is mounted at a tub bottom opening at a rear end of the tub body, and the side provided with the pulsator is disposed toward an inside of the tub body when the inner tub bottom is mounted, and the pulsator is disposed inside the tub body.

10. The mounting method of an inner tub assembly of a washing machine as claimed in claim 5 or 6, wherein the inner tub bottom is placed in a ring assembly frame provided at a rear end of the inner tub, and the inner tub bottom is fixed to the assembly frame;

preferably, a rear flange is arranged on the bottom of the inner cylinder, and a peripheral flange of the rear flange is fixed with the assembly frame;

further preferably, the outer periphery of the inner cylinder bottom is in fit contact with the inner periphery of the assembly frame, and the flanging of the rear flange is fixedly connected with the outer peripheral wall of the assembly frame.

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