CN108729122A - A kind of washing machine - Google Patents

Abstract

The invention belongs to the field of washing machines, and in particular relates to a washing machine, which includes an inner tub and a driving device for driving the inner tub to rotate, the inner tub has an inner tub opening, the inner tub is a bucket, and also includes an inner tub cover. The inner barrel cover is arranged at the mouth of the inner barrel, which is used to limit the washing clothes in the inner barrel from being thrown out and/or the foam overflowing during the washing process. The beneficial effect of the present invention is that by setting the inner barrel cover, the washing clothes in the inner barrel are limited during the washing process. And/or foam overflow; by setting the inner tub lid that can be opened/closed, the inner tub lid not only has the function of restricting the washing clothes in the inner tub and/or foam overflow during the laundry process, but also realizes convenient insertion/removal clothing.

Description

a washing machine

technical field

The invention belongs to the field of washing machines, and in particular relates to a washing machine.

Background technique

A washing machine is designed as a device for washing clothes by using electricity. In general, a washing machine includes: a tub for containing washing water; a rotary tub rotatably installed inside the tub; a pulsator rotatably installed in the rotary tub The bottom; motor and clutch, are configured to rotate the rotating barrel and pulsator. When the rotary tub and the pulsator rotate in a state that laundry and detergent are introduced into the rotary tub, the pulsator agitates wash water together with the laundry introduced into the rotary tub, thereby removing stains from the laundry.

In order to increase the washing capacity of the washing machine, a larger rotary tub is required, that is, the height or diameter of the rotary tub needs to be increased. If the rotary tub has a larger size, the tub accommodating the rotary tub and the cabinet accommodating the tub also need to be enlarged as the rotary tub increases. However, the location of the general user’s home for placing the washing machine is limited. It is not realistic to increase the capacity of the washing tub by adding the washing machine casing. How to increase the capacity of the washing tub without increasing the casing of the washing machine has become a problem for designers. A big problem.

When the washing machine is expanded, because the opening diameter of the inner tub increases, the clothes are easy to be thrown out from the inner tub and enter between the inner tub and the cabinet, causing abnormal noise and damage to the clothes; and after the washing machine is expanded, the amount of laundry and detergent used increases. The detergent produces too much foam, which can easily cause the foam to overflow.

In view of this, the present invention is proposed.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a washing machine. By setting the inner barrel cover, it is possible to limit the washing clothes in the inner barrel from being thrown out and/or the foam overflowing during the washing process; it can be opened/closed by setting The small inner bucket cover makes the inner bucket cover not only limit the washing clothes in the inner bucket during the laundry process and/or foam overflow, but also realize the convenience of putting in/taking out the washing clothes.

In order to solve the problems of the technologies described above, the present invention adopts the basic idea of technical solution to be:

A washing machine, comprising an inner tub and a driving device for driving the inner tub to rotate, the inner tub has an inner tub opening, the inner tub is a water tub, and also includes an inner tub cover, the inner tub cover is provided at the inner tub opening for limiting The laundry in the inner tub is thrown out and/or foam overflows during the washing process.

The inner barrel cover includes a cover plate and a mounting part for fixing with the inner barrel, the cover plate covers the mouth of the inner barrel, and the edge of the inner barrel mouth is detachably connected with the mounting part;

Preferably, the inner barrel includes a balance ring, the annular mouth of the balance ring is the mouth of the inner barrel, the cover plate covers the annular mouth of the balance ring, and the balance ring is detachably connected to the installation part.

The cover plate includes a cover plate body, an opening provided on the cover plate body, and an inner barrel cover for covering the input opening. Clothes can enter the inner barrel through the input opening, and the inner barrel cover is movably connected with the cover plate body. The delivery port is opened/closed.

The small lid of the inner tub is slidingly or rotationally connected to the cover body. When the small lid of the inner tub is in the first position relative to the body of the cover, the opening is opened to put clothes into the inner tub. When the small lid of the inner tub is in the second position relative to the body of the cover, position, the delivery port is closed;

Preferably, the small inner bucket cover is connected to the cover body through a pin shaft, and the small inner bucket cover can rotate around the pin shaft to realize opening/closing of the feeding port.

A blocking structure is provided on the side of the cover body opposite to the inner barrel, and the blocking structure is used to prevent foam from overflowing to the delivery port along the inner wall of the cover;

Preferably, in the blocking structure, the edge of the insertion port extends toward the inner barrel to form a blocking rib surrounding the insertion port.

The cover body also includes a water retaining structure arranged on the outer wall of the cover body, the water retaining structure completely or partially surrounds the inlet, and is used to prevent overflow of washing water when the small lid of the inner tub is opened;

Preferably, the water retaining structure surrounds the connecting portion of the small lid of the inner tub and the cover body.

The water retaining structure is a retaining rib arranged on the outer wall of the cover plate body, and the retaining rib is arranged around the connecting portion of the inner bucket lid and the cover plate body, and surrounds the connecting portion inside the retaining rib;

Preferably, the cover body partially protrudes outwards to form a retaining rib, the retaining rib is arc-shaped, and the two ends of the small inner bucket cover and the retaining rib are connected by a pin shaft, and the retaining rib connects the inner barrel small cover and the cover plate body. The connecting portion between the two pin shafts is surrounded by the inner side of the retaining rib.

It also includes a locking device, the locking device is arranged between the small lid of the inner bucket and the cover plate body, and when the small lid of the inner bucket closes the delivery port, the small lid of the inner bucket is fixed on the cover plate body;

Preferably, the locking device is an electronic door lock or a mechanical door lock.

The installation part is an installation hole provided on the cover plate, the inner barrel is connected to the cover plate through a connecting piece, and the connecting piece passes through the installation hole to assemble with the inner barrel;

Alternatively, the installation part is a protrusion/groove arranged on the lower side of the cover plate, and the inner bucket is provided with a matching groove/protrusion, and the installation part is connected with the cover plate through the protrusion and the groove ;

Alternatively, the installation part is a thread provided on the cover plate, and the cover plate is threadedly connected with the inner bucket.

The inner barrel cover also includes a limiting part, and the limiting part limits the movement of the inner barrel cover relative to the inner barrel;

Preferably, the limiting portion is a folded edge formed by extending the edge of the cover plate toward the inner tub, and the folded edge restricts the movement of the inner barrel cover relative to the inner tub.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: (1) by setting the inner bucket cover, it is possible to limit the washing clothes in the inner bucket from being thrown out and/or the foam overflowing during the laundry process; (2) through An openable/closeable inner tub lid is provided, so that the inner tub lid not only has the function of limiting the washing clothes in the inner tub and/or foam overflowing during the washing process, but also realizes the convenience of putting in/taking out the washing clothes.

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide a further understanding of the present invention, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute improper limitations to the present invention. Apparently, the drawings in the following description are only some embodiments, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts. In the attached picture:

Fig. 1 is a structural schematic diagram of a top view of a washing machine with an inner barrel cover in the open state of the present invention;

Fig. 2 is the A-A direction sectional structure schematic diagram of Fig. 1 of the present invention;

Fig. 3 is the enlarged schematic diagram of the partial structure of the B part of Fig. 2 of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the inner tub of the washing machine of the present invention;

Fig. 5 is a structural schematic diagram of a balance ring of the present invention;

Fig. 6 is a schematic cross-sectional structure diagram of another washing machine of the present invention along the A-A direction of Fig. 1;

Fig. 7 is a schematic cross-sectional structure diagram of another washing machine according to the present invention along the A-A direction of Fig. 1 .

In the figure: 100, box body 200, inner tub 201, first drain port 202, first drain pipeline 203, water outlet 204, second drain port 205, blocking device 205-1 valve plug 205-2, electromagnetic device 206 , washing bucket 300, driving device 301, motor 302, deceleration clutch device 303, output shaft 400, water collection chamber 401, drain pipe 500, mounting plate 501, water retaining rib 600, suspension shock absorber 601, shock absorber unit 602 , Suspender 700, installation part 700-1, installation large plate 700-2, installation small plate 701, installation part 703, first shock absorber 704, second shock absorber 800, inner barrel cover 801, inner barrel small cover 802, Putting port 803, blocking structure 804, water retaining structure 805, blocking rib 806, retaining rib 807, inner barrel mouth 808, cover plate body 809, balance ring 810, installation part 811, locking device 812, hemming.

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

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention , but not to limit the scope of the present invention.

Embodiment one

As shown in Figures 1-5, a washing machine includes an inner tub 200 and a driving device for driving the inner tub 200 to rotate, no outer tub is provided outside the inner tub 200, and the inner tub 200 is a water tub, and the inner tub 200 is driven The process of washing, dehydrating and drying clothes is carried out under the drive of the device. The inner tub 200 has an inner tub opening 807 through which the clothes enter the inner tub or are taken out from the inner tub. The washing machine also includes an inner tub cover 800. The inner tub cover 800 The cover is provided at the opening 807 of the inner tub to limit the laundry in the inner tub 200 from being thrown out and/or the foam generated by the laundry treatment agent from overflowing during the washing process.

The laundry treatment agent can be detergent, washing powder, softener and the like.

By setting the inner barrel cover 800 on the inner barrel 200 of the washing machine, the inner barrel cover 800 covers the inner barrel opening 807 and is detachably connected with the inner barrel 200. When the washing machine performs a spin-drying program, even if the laundry is subjected to centrifugal force and wants to be thrown out from the inner barrel opening 807, Due to the blocking of the inner tub cover 800, the laundry is returned to the inner tub 200 again. When there is too much foam due to the large amount of laundry treatment, and when it is about to overflow from the inner barrel mouth 807, the foam will be blocked in the inner barrel 200 by the blocking of the inner barrel cover 800, so that it will not overflow. The inner barrel cover 800 is detachably connected with the inner barrel 200, which is convenient for putting in/taking out clothes, and convenient for replacement and use.

Further, the inner barrel lid 800 includes a cover plate and a mounting portion 810 for fixing with the inner barrel 200 , the cover plate covers the inner barrel opening 807 , and the edge of the inner barrel opening 807 is detachably connected with the mounting portion 810 . The cover plate covers the inner barrel mouth 807, and when there are clothes to be thrown out from the inner barrel mouth 807 or foam to overflow from the inner barrel mouth 807, due to the blocking of the cover plate, it is kept in the inner barrel 200, which plays a very good blocking effect . By setting the installation part 810 on the inner barrel cover 800, the installation of the inner barrel cover 800 and the edge of the inner barrel mouth 807 is realized, and the inner barrel cover 800 is fixed on the inner barrel 200, which is convenient for disassembly, installation and fixing.

Further, the inner barrel 200 includes a balance ring 809 , the ring opening of the balance ring 809 is the inner barrel opening 807 , the cover plate covers the ring opening of the balance ring 809 , and the balance ring 809 is detachably connected with the installation part 810 . For the washing machine provided with the balance ring 809 , the cover plate covers the ring opening of the balance ring 809 and is connected with the balance ring 809 through the installation part 810 to realize fixing the inner barrel cover 800 on the balance ring 809 . The mounting portion 810 of the inner barrel cover 800 may be connected to the upper wall and/or the side wall of the balance ring 809 .

Further, the cover plate includes a cover plate body 808, an opening 802 opened on the cover plate body 808, and an inner tub small cover 801 for covering the insertion opening 802, and the laundry can enter the inner tub 200 through the insertion opening 802. The small lid 801 of the inner barrel is movably connected with the cover body 808 to open/close the feeding port 802 .

Due to the influence of the material and volume of the cover plate, the cover plate is heavy, and it is opened and closed too frequently, which reduces its service life, and because the cover plate covers the inner bucket mouth 807, its diameter needs to be large. To open the inner barrel cover 800 is labor-intensive and inconvenient to use. By arranging the small lid 801 of the inner tub, when the small lid 801 of the inner tub opens the inlet 802, the laundry can be put in or taken out; Foam overflows from the inner bucket mouth 807.

Further, the small inner tub cover 801 is slidably or rotationally connected to the cover body 808. When the inner tub small cover 801 is in the first position relative to the cover body 808, the opening 802 is opened to put clothes into the inner tub 200. When the inner tub is small The cover 801 is in the second position relative to the cover body 808, and the insertion port 802 is closed. The small lid 801 of the inner bucket is connected with the cover body 808 through a flexible connection or a rotation connection to realize the opening/closing of the feeding port 802, which is relatively simple and practical.

Option 1: The small lid 801 of the inner barrel is movably connected to the cover body 808 by sliding connection.

The cover plate body 808 is provided with two oppositely arranged chutes, and the small inner barrel cover 801 is provided with a protrusion matching the chute, and the protrusion is fixedly connected or integrally formed with the inner barrel small cover 801, and the protrusion can be placed on the chute. Sliding inside, when the small lid 801 of the inner barrel slides toward the direction of the insertion port 802 and closes the insertion port 802, it prevents the clothes from being thrown out and prevents the foam from overflowing. Open to put in/take out laundry.

Option 2: The small lid 801 of the inner tub is connected to the cover body 808 through a pin shaft.

The inner barrel small cover 801 is provided with a pin shaft/pin hole, and the cover plate body 808 is correspondingly provided with a pin hole/pin shaft. The pin shaft is inserted into the pin hole so that the inner barrel small cover 801 can rotate relative to the cover plate body 808. When the inner barrel small cover When the 801 rotates in the direction of the delivery port 802 to cover the delivery port 802, it can prevent the clothes from being thrown out and prevent the foam from overflowing; /Remove laundry.

Further, a blocking structure 803 is provided on the side of the cover body 808 opposite to the inner barrel 200, and the blocking structure 803 surrounds the insertion port 802 for a circle, and the blocking structure 803 is used to prevent foam from overflowing along the inner wall of the cover To the delivery port 802.

Because the cover between the delivery port 802 and the small lid 801 of the inner bucket is not sealed, therefore, when there is too much foam, the foam may overflow from the delivery port 802, by setting the blocking structure 803, and making the blocking structure 803 surround the delivery port 802 for a week , when the foam moves towards the delivery port 802, due to the blocking of the blocking structure 803, the foam gathers at the blocking structure 803, and when it gathers to a certain amount, the foam falls into the inner tub 200 under the action of gravity, better blocking the inner tub 200 The foam overflows from the delivery port 802.

Further, in the blocking structure 803 , the edge of the insertion port 802 extends toward the direction of the inner tub 200 to form a blocking rib 805 surrounding the insertion port 802 . By setting the blocking structure 803 into this structure, the blocking ribs 805 and the cover body 808 are integrally formed, the structure is stable, hard force concentration is not easy to occur, it is not easy to be damaged, and the service life is longer. On the other hand, this structure is also convenient for washing clothes. Scratching between the laundry and the insertion port 802 is reduced, and the laundry is protected.

Further, the cover body 808 also includes a water retaining structure 804 arranged on the outer wall of the cover body 808. The water retaining structure 804 completely or partially surrounds the insertion port 802. When the small lid 801 of the inner bucket is opened, the To stop the washing water from overflowing.

The laundry water in the inner tub 200 will remain part of the water on the small lid 801 of the inner tub due to splashing and other reasons. , prevent this part of water from overflowing, reduce damage to electrical components, and make the use of the washing machine safer.

Further, the water retaining structure 804 surrounds the connecting portion between the small lid 801 of the inner bucket and the cover body 808 .

When the small lid 801 of the inner barrel is connected with the cover body 808 through the pin shaft, the connecting part is the part where the small lid 801 of the inner barrel is connected with the cover body 808 through the pin shaft. Since the inner barrel lid 800 is opened, the position away from the connecting portion is high , the water will flow to the connection between the small inner bucket cover 801 and the cover body 808 and flow down. Since the water retaining structure 804 surrounds the connection between the inner bucket small cover 801 and the cover body 808, this part of the water will be blocked to prevent it from overflowing. flow.

Further, the water retaining structure 804 is a retaining rib 806 arranged on the outer wall of the cover body 808, and the retaining rib 806 is arranged around the connecting part of the inner tub small cover 801 and the cover body 808, and the connection partly surrounded by the inner side of the retaining rib 806.

By setting the retaining ribs 806 on the outer wall of the cover body 808 , since the retaining ribs 806 are higher than the cover body 808 to form a groove capable of holding water, the retaining ribs 806 surround the connection part to realize the function of blocking water.

Further, the cover plate body 808 partially protrudes outwards to form a retaining rib 806, the retaining rib 806 is arc-shaped, the inner barrel small cover 801 is connected with the two ends of the retaining rib 806 through pin shafts, and the retaining rib 806 connects the inner barrel small The connecting portion between the two pins on the cover 801 and the cover body 808 is surrounded by the inner side of the retaining rib 806 . The retaining rib 806 and the cover body 808 are integrally formed, which is more stable and not easy to be damaged; the small inner barrel cover 801 is movably connected with the retaining rib 806, and there is no need to open a hole for installing the inner barrel small cover 801 on the cover body 808, which can realize It can better prevent the foam from overflowing, and at the same time, it also has the function of blocking and preventing overflow of the outflowing water.

Further, it also includes a locking device 811, the locking device 811 is arranged between the small lid 801 of the inner tub and the cover body 808, when the small lid 801 of the inner tub closes the opening 802, the small lid 801 of the inner tub is fixed on the cover Ontology 808. By setting the locking device 811, the inner bucket cover 801 is fixed on the cover plate and locked to prevent the inner bucket cover 801 from opening during the rotation of the inner bucket 200, the fixing is more firm, and the effect of preventing clothes from being thrown out and preventing foam from overflowing is better.

Wherein, the locking device 811 is an electronic door lock or a mechanical door lock.

The installation part 810 can be any way of fixing the inner barrel cover 800 on the inner barrel 200, and several fixing ways are given below.

Solution 1: The installation part 810 is an installation hole provided on the cover plate, the inner tub 200 is connected to the cover plate through a connecting piece, and the connecting piece is assembled with the inner tub 200 through the installation hole. The inner barrel 200 with the balance ring 809 is provided, and the cover plate is connected with the balance ring 809 through a connecting piece, which may be a screw, a bolt, or the like.

Solution 2: The installation part 810 is a protrusion/groove provided on the lower side of the cover plate, and the inner barrel 200 is correspondingly provided with a groove/protrusion, and the installation part 810 and the cover plate pass through the protrusion and Groove fit connection. The protrusion can be a claw card, and the groove can be a card slot. Through the clamping of the claw and the card slot, the inner barrel cover 800 is assembled with the edge of the inner barrel mouth 807 or with the balance ring.

Solution 3: The installation part 810 is a thread provided on the cover plate, and the cover plate is threadedly connected with the inner tub 200 .

Further, the inner tub cover 800 also includes a stopper, which restricts the movement of the inner tub cover 800 relative to the inner tub 200, because the inner tub cover 800 moves with the inner tub 200 at a high speed during the washing process, especially when drying. Rotate, by setting the limit part, limit the shaking of the inner bucket cover 800, and reduce noise.

Further, the limiting portion is a folded edge 812 formed by extending the edge of the cover plate toward the inner barrel 200 , and the folded edge 812 limits the movement of the inner barrel cover 800 relative to the inner barrel 200 .

Wherein, the installation part can also be arranged on the folded edge 812 .

Embodiment two

As shown in Figures 1-7, this embodiment is a further limitation of Embodiment 1. A washing machine further includes a water collection structure for blocking the overflow of water discharged from the inner tub 200, and the water collection structure is integrally located at the Referring to the bottom of the inner barrel 200, the inner barrel 200 has the function of holding water.

By setting the water collecting structure, on the one hand, when the water is discharged from the inner bucket 200, the water will be blocked by the water collecting structure to prevent the water from overflowing; The partial structure between the side wall of the inner tub 200 and the box body 100 does not restrict the expansion of the inner tub 200 , and provides sufficient space for the expansion of the inner tub 200 .

The water collection structure includes a water collection chamber 400 with an upper opening, the upper end of the side wall of the water collection chamber 400 is lower than the bottom of the inner tub 200 , and the inner tub 200 communicates with the upper opening of the water collection chamber 400 .

By setting the water collection chamber 400, the water discharged from the inner tub 200 can be blocked. Since the upper end of the side wall of the water collection chamber 400 is lower than the bottom of the inner tub 200, the water collection chamber 400 is located at the bottom of the washing tub 206 as a whole. Next, the side wall of the water collection chamber 400 does not have a structure located between the inner tub 200 and the box body 100, and there is no need to set a certain safety distance between the inner tub 200 and the water collection structure to prevent the inner tub 200 from colliding with the water collection structure and causing damage. At the same time, there is no need to set a safety distance between the water collection structure and the box body 100, so it is only necessary to design the safety distance between the inner barrel 200 and the box body 100, which can greatly increase the diameter of the inner barrel 200, and better realize the inner barrel 200 expansion.

There is a certain distance between the side wall of the water collecting cavity 400 and the outer wall of the bottom of the inner bucket 200 .

By making the upper end of the side wall of the water collection chamber 400 lower than the bottom of the inner tub 200, and making a certain distance between the side wall of the water collection chamber 400 and the outer wall of the bottom of the inner tub 200, it is possible to prevent the washing tub 206 from colliding with the water collection when it vibrates. The side walls of the chamber 400 collide, thereby increasing the service life of the water collection chamber 400 .

The water collecting cavity 400 is provided with a drain pipe 401 for draining the water in the water collecting structure, and the drain pipe 401 extends to the outside of the washing machine.

The inner tub 200 includes a first water outlet 201 for draining when drying and a first drainage pipeline 202 communicating with the first water outlet 201, the water outlet 203 of the first drainage pipeline 202 is connected to the water collection structure connected. The first drain pipe 202 connected through the first drain port 201 drains the water in the washing tub 206 into the water collection structure, and then drains the water through the drain pipe 401 .

Embodiment three

As shown in Figures 1-7, this embodiment is a further limitation of Embodiment 2. In this embodiment, the water collection structure includes a mounting plate 500 and a water retaining rib 501 arranged on the mounting plate 500. The installation The water collecting cavity 400 is formed by the plate 500 and the water retaining rib 501 . By arranging the installation plate 500 and the water retaining rib 501, and enclosing them to form the water collection cavity 400, the structure is simple and easy to process and form.

The water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device can be more easily coincided with the center, and the offset can be reduced.

The water retaining rib 501 is ring-shaped, and the water retaining rib 501 and the installation plate 500 enclose to form a ring-shaped water collecting cavity 400 .

Further, the water retaining rib 501 is arranged obliquely, and by setting the water retaining rib 501 in an inclined shape, the amount of water retaining can be increased to the greatest extent, which is more convenient to use;

Further, the water retaining ribs 501 gradually shrink toward the central axis of the water collecting chamber 400 from top to bottom, so that the upper opening has a larger diameter and is more convenient for collection.

Further, the bottom outer wall of the inner tub 200 is an arc surface, and the water retaining rib 501 is spaced from the arc surface of the inner tub 200 by a certain distance.

Further, the projection of the inner barrel 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction. By covering the projection of the inner bucket 200 in the horizontal direction with the projection of the water collection chamber 400 in the horizontal direction, the distance between the water collection chamber 400 and the box body 100 is increased, the collision of the water collection chamber 400 with the box body 100 is prevented, and the water collection chamber 400 is reduced. The water chamber 400 is damaged; at the same time, the water collection chamber 400 is small, which is more convenient for the installation of other devices at the bottom of the box body 100 .

The projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.

Further, the mounting plate 500 is provided with a drain pipe 401, one end of the drain pipe 401 communicates with the water collecting chamber 400, and the other end leads to the outside of the washing machine or communicates with the general drain pipeline of the washing machine to discharge water. By setting the drainage pipe 401 for discharging the water in the water collection structure in the water collection chamber 400, when the water is discharged into the water collection chamber 400, the water in the water collection chamber 400 will be discharged through the drainage pipe 401 to prevent the water collection There is too much water in the cavity 400 and it overflows.

Further, the wall of the inner barrel 200 is provided with a first drain port 201 and a first drain line 202 communicating with the first drain port 201 , and the water outlet 203 of the first drain line 202 is set on the top of the water collection chamber 400 above the opening. Both the first drain outlet 201 and the first drain pipeline 202 are multiple, and each first drain outlet 201 is respectively associated with the corresponding first drain pipeline 202, and a plurality of first drain outlets 201 may also correspond to one first drain outlet. Pipeline 202, when the washing machine executes the spin-drying program, the water thrown out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202 203 is discharged into the water collecting cavity 400, and stops the overflow of water everywhere.

The water outlet 203 of the first drainage pipeline 202 is disposed above the upper opening of the water collecting chamber 400 . By connecting the water outlet 203 with the water collecting structure, when drying, the water enters the first drainage pipeline 202 through the first water outlet 201 and then is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; Above the upper opening of the water collection chamber 400 surrounded by water ribs 501, the water discharged from the water outlet 203 directly falls into the water collection chamber 400. This structure is simpler, without adding other additional parts, and the water collection effect is better.

Further, the inner tub 200 also includes a second drain port 204 for draining the water in the inner tub 200 into the sump chamber 400 during dehydration and/or spin-drying, between the second drain port 204 and the sump chamber 400 A blocking device 205 is provided, and the blocking device 205 opens the second drain port 204 during dehydration and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain port 204, and the second drain port 204 is discharged during washing. The second drain port 204 is blocked, and the water is kept in the inner tub 200 for washing.

Further, the second drain port 204 is disposed above the upper opening of the water collection chamber 400 , and the blocking device 205 is disposed at the lower part of the second drain port 204 .

By setting the second drain port 204, when dehydrating and/or drying, the blocking device 205 opens the second drain port 204, and the water in the inner tub 200 is directly discharged into the water collection structure, and the water retaining rib 501 blocks the water to prevent the water from overflowing , and drain the water out of the washing machine through the drain pipe 401; when doing laundry, the blocking device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.

The washing machine is a pulsator washing machine.

The blocked device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 arranged under the valve plug 205-1. The electromagnetic device 205-2 is electrically connected with the control device of the washing machine. When the washing machine is in the laundry state, the valve plug 205 -1 Block the second drain port 204 to prevent the water in the inner tub 200 from being discharged. When the washing machine is in the draining or dehydrating state, the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open to discharge water into the catchment structure.

The mounting plate 500 is provided with a positioning device, and the bottom wall of the inner barrel 200 is provided with a matching part that matches the positioning device. The matching part can be a positioning groove. When the positioning device is dehydrating and/or drying, the positioning device is separated from the matching part. , the inner tub 200 rotates with the output shaft 303. When the washing machine is in the washing state, the positioning device cooperates with the matching part, and the inner tub 200 is stuck on the mounting plate 500, and the valve plug 205-1 is just opposite to the second drain port 204, and the second The drain port 204 is blocked to prevent the water in the inner bucket 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.

Further, the installation plate 500 is arranged between the inner barrel 200 and the driving device 300 , and the lower part of the installation plate 500 is fixedly connected with the casing of the driving device 300 . By installing the installation plate 500 between the inner tub 200 and the driving device 300, on the one hand, the water in the inner tub 200 can drop by its own weight and automatically flow into the water collection structure; It is isolated from the driving device 300 to prevent damage to the driving device 300 caused by water.

The driving device 300 includes a motor 301 , a deceleration clutch device 302 is arranged above the motor 301 , and the lower part of the mounting plate 500 is fixedly connected with the deceleration clutch or the housing of the motor 301 .

The connection mode between the mounting plate 500 and the driving device 300 may also be: the mounting plate 500 is connected to the output shaft 303 of the driving device 300 through a bearing.

Further, the output shaft 303 of the reduction clutch passes through the mounting plate 500 and is connected to the inner tub 200 to drive the rotation of the inner tub 200, and the mounting plate 500 is connected to the output shaft 303 of the driving device 300 through a bearing.

Embodiment Four

As shown in Figures 1-7, this embodiment is based on Embodiment 1-Embodiment 3. The washing machine also includes a suspension shock absorber 600 and a mounting part 700 arranged at the lower part of the washing tub 206. The driving device 300 is installed On the mounting part 700 , one end of the suspension shock absorber 600 is connected to the box body 100 , and the other end is connected to the mounting part 700 .

Wherein, the washing tub 206 may be only an inner tub or include an outer tub and an inner tub, and the output shaft 303 of the driving device 300 is connected to the washing tub 206 for driving the inner tub 206 to rotate.

By setting the mounting part 700 under the washing tub 206, the suspension shock absorber 600 is installed on the mounting part 700. Since the mounting part 700 is lower than the washing tub 206, the longitudinal height of the mounting part 701 is reduced, making the installation The inclination angle θ between the rear suspension shock absorber 600 and the box side wall is reduced, thereby reducing the space occupied by the suspension shock absorber 600. When the structure is suspended between the washing tub 206 and the box body 100 In between, it is possible to increase the diameter of the washing tub 206 without increasing the volume of the box body 100, so as to achieve the purpose of capacity expansion.

The laundry bucket 206 may be a laundry bucket 206 with only an inner bucket 200 for storing water and performing laundry, or the laundry bucket 206 may be a laundry bucket 206 with an inner bucket 200 and an outer bucket.

Further, the installation part 700 includes an installation part 701 for assembling with the suspension shock absorber 600 , and the installation part 701 is not higher than the bottom of the washing tub 206 .

The installation part 701 is not higher than the bottom of the washing bucket 206, so that it does not occupy the space between the washing bucket 206 and the box body 100, and the diameter of the washing bucket 206 can be increased to realize capacity expansion.

Further, the installation part 701 is located below the bottom of the washing tub 206. When the suspension shock absorber 600 is assembled with the installation part 701, since the installation part 701 is set lower than the bottom of the washing tub 206, the suspension The angle of inclination formed between the suspension shock absorber 600 and the box body 100 is reduced, that is, the suspension shock absorber 600 and the inner wall of the box body 100 are more fitted, and more ample space is reserved for the washing tub 206 , so the purpose of capacity expansion can be achieved by increasing the diameter of the washing tub 206 .

Further, the projection of the installation part 701 in the horizontal direction is located at the periphery of the projection of the washing tub 206 in the horizontal direction.

Since the installation part 701 is arranged below the bottom of the washing tub 206 and does not occupy the space between the washing tub 206 and the casing 100, the installation part 701 will not collide with the washing tub 206. On this premise, the installation part 701 In the horizontal direction, it extends beyond the wall of the washing bucket 206, so that the projection of the installation part 701 in the horizontal direction is located at the periphery of the projection of the washing bucket 206 in the horizontal direction, which further reduces the installation space of the suspension shock absorber 600, and further The installation space of the washing bucket 206 is increased, and the expansion of the washing bucket 206 is realized.

Further, the output shaft 303 is connected to the washing bucket 206 through the mounting part 700 for driving the washing bucket 206 to rotate, and the mounting part 700 is connected to the output shaft 303 through a bearing.

Wherein, the mounting part 700 can also be fixedly connected with the shell of the driving device 300, and the mounting part 700, the driving device 300 and the washing tub 206 become a relatively independent whole; the mounting part 700 can also be fixedly connected with the shell of the driving device 300 It is connected with the output shaft 303 through a bearing, so that the installation part 700, the driving device 300 and the washing bucket 206 are formed into a relatively independent whole.

The mounting part 700 is connected to the output shaft 303 through a bearing and/or fixedly connected to the casing of the driving device 300, so that the mounting part 700, the driving device 300 and the washing tub 206 become a relatively independent whole, and the mounting parts are reduced by the shock absorber The vibration of 700 can further reduce the vibration of the washing tub 206 and the driving device 300, thereby achieving a good shock absorption effect.

The mounting part 700 has a centrally symmetrical structure, and there are multiple suspension shock absorbing parts 600 , and the multiple suspension shock absorbing parts 600 are evenly distributed around the mounting part 700 .

By setting the mounting plate 500 as a centrally symmetrical structure, the possibility of deviation of the overall center of gravity of the mounting plate 500, the washing tub 206 and the motor 301 is reduced, and a better shock absorption effect is achieved; the mounting plate 500 is set as a circle, which facilitates the installation of the drive on the one hand. device 300, on the other hand makes the structure more stable

Embodiment five

As shown in Figures 1-7, this implementation is a further limitation to Embodiment 4. In this embodiment, the mounting member 700 is a flat circular mounting plate 500, and the diameter of the mounting plate 500 is larger than the diameter of the washing bucket 206. The mounting plate 500 is arranged under the washing tub 206, and the lower end of the suspension shock absorber 600 is assembled with the edge of the mounting plate 500, so that the connection part of the suspension shock absorber 600 and the mounting plate 500 is located in the washing tub 206. The lower part of the washing tub 206 is located outside the circumferential direction of the washing tub 206, that is, the installation part 701 is located obliquely below the bottom of the washing tub 206, reducing the suspension space of the suspension shock absorber 600, and then without increasing the volume of the box body 100. , the space reserved for the laundry tub 206 increases.

The driving device 300 is assembled on the lower part of the mounting plate 500 , and the output shaft 303 of the driving device 300 passes through the mounting plate 500 and is connected with the mounting plate 500 through a bearing.

There are four suspension shock absorbers 600 , which are evenly distributed around the circular mounting plate 500 .

The shock absorber includes a suspension rod 602 and a shock absorption unit 601 for generating a damping force. One end of the suspension rod 602 is fixed to the upper part of the box body 100, and the other end passes through the installation part 701 to connect with the shock absorber. Unit 601 is connected.

The shock absorbing unit 601 is located at the bottom of the mounting plate 500, so that the shock absorbing unit 601 does not occupy the space between the box body 100 and the washing tub 206 in the horizontal direction, further reducing the resistance caused by the shock absorbing unit 601 to the expansion of the washing tub 206.

The installation method of the shock absorber and the box body 100 and the mounting plate 500 can also be: the upper part of the box body 100 is provided with a mounting seat, one end of the suspension rod 602 is connected with the mounting part 700, and the other end passes through the mounting seat and the shock absorber. The seismic unit 601 is connected.

The mounting part 700 can also be a cross-shaped mounting plate 500, the suspension shock absorbers 600 are respectively connected to the edges of each branch of the cross-shaped mounting plate 500, and the mounting parts 701 where the suspension shock absorbers 600 are connected to the cross-shaped mounting plate 500 It is lower than the bottom of the washing bucket 206, so that it will not occupy space between the washing bucket 206 and the box body 100. At the same time, it is lowered by the installation part 701, reducing the installation space of the suspension shock absorber 600, and realizing the expansion of the washing bucket 206. .

The mounting plate 500 can be a flat plate, or a structure with a high middle and a low edge, such as including a ring-shaped edge plate, a circular center plate, and a connecting riser for connecting the edge plate and the central plate, and the section forms an “Ω” shape.

Wherein, the mounting plate 500 can also be fixedly connected with the casing of the driving device 300 , of course, the mounting plate 500 can also be connected with the casing and the output shaft 303 through bearings at the same time.

Embodiment six

As shown in Figures 1-7, on the basis of Embodiment 4 and Embodiment 5, in this embodiment, the damping device includes a motor 301, and the motor is provided with a deceleration clutch, and the output shaft 303 of the deceleration clutch is connected to the washing tub 206 Drive the laundry tub 206 to rotate. The shock absorbing device further includes a first shock absorber 703 , one end of the first shock absorber 703 is movably connected with the mounting part 700 , and the other end is movably connected with the bottom of the box body 100 . The first shock absorber 703 exerts a downward pulling force on the mounting part 700, so that the mounting part 700 is simultaneously subjected to the downward pulling force of the first shock absorbing part 703 and the upward pulling force of the suspension shock absorbing part 600, through the combined force of the two For better shock absorption.

The mounting part 700 is a circular plate-shaped mounting plate 500, the suspension shock absorbing part 600 is connected with the mounting plate 500 from the top, and the first shock absorbing part 703 is connected with the mounting plate 500 from the bottom to realize the suspension shock absorbing part 600 and the second mounting plate 500. A shock absorber 703 acts on the mounting plate 500 at the same time, and plays a shock-absorbing effect on the mounting plate 500 to achieve a shock-absorbing effect on the washing tub 206 and the motor 301 .

Another solution of the mounting part 700, the mounting part 700 includes a large mounting plate 700-1 connected to the suspension shock absorber 600 and a small mounting plate 700-2 connected to the first shock absorbing part 703, the large mounting plate 700- 1 and the small mounting plate 700-2 are connected through reinforcing ribs to enhance the strength of the mounting part. The reinforcing ribs are set at intervals, and the reinforcing effect is better. Since the bottom wall of the washing machine cabinet 100 needs to be provided with a reinforcement structure and other components installed, generally the diameter of the large plate 700-1 is designed to be larger than the diameter of the small plate 700-2 to provide space for the installation of other components. The separate arrangement saves the space of the mounting parts 700 and is more convenient to use.

Further, one end of the first shock absorbing member 703 is hinged to the mounting member 700 , and the other end is hinged to the bottom of the box body 100 .

Furthermore, the first shock absorber 703 is a shock absorber.

Further, the washing machine further includes a second shock absorber 704 disposed on the drive device 300 , one end of the second shock absorber 704 is fixedly connected to the drive device 300 , and the other end is fixedly connected to the bottom wall of the cabinet 100 .

By setting the second shock absorber 704 to apply a downward pulling force or upward elastic force to the driving device 300, combined with the first shock absorber 703 and the suspension shock absorber 600, the mounting plate 500, the driving device 300 and the The whole body formed by the washing tub 206 achieves a better shock absorption effect under the joint action of individual components.

Further, one end of the second shock absorber 704 is fixedly connected to the stator of the motor 301 , and the other end is fixedly connected to the bottom wall of the box body 100 .

Furthermore, the second damping device is a damping spring.

Furthermore, the washing machine is also provided with a water collection structure for blocking the overflow of water discharged from the inner tub 200 , and the water collection structure is entirely located at the lower part of the bottom of the inner tub 200 . The water collection structure includes a water collection chamber 400 with an upper opening, the upper end of the side wall of the water collection chamber 400 is lower than the bottom of the inner tub 200 , and the inner tub 200 communicates with the upper opening of the water collection chamber 400 .

Specifically, water retaining ribs 501 are provided on the mounting plate 500 , and the mounting plate 500 and the water retaining ribs 501 enclose the water collecting chamber 400 . By arranging the installation plate 500 and the water retaining rib 501, and enclosing them to form the water collection cavity 400, the structure is simple and easy to process and form.

The water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device can be more easily coincided with the center, and the offset can be reduced.

The water retaining rib 501 is ring-shaped, and the water retaining rib 501 and the installation plate 500 enclose to form a ring-shaped water collecting cavity 400 .

Further, the water retaining rib 501 is arranged obliquely, and by setting the water retaining rib 501 in an inclined shape, the amount of water retaining can be increased to the greatest extent, which is more convenient to use;

Further, the water retaining ribs 501 gradually shrink toward the central axis of the water collecting chamber 400 from top to bottom, so that the upper opening has a larger diameter and is more convenient for collection.

Further, the bottom outer wall of the inner tub 200 is an arc surface, and the water retaining rib 501 is spaced from the arc surface of the inner tub 200 by a certain distance.

Further, the projection of the inner barrel 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction. By covering the projection of the inner bucket 200 in the horizontal direction with the projection of the water collection chamber 400 in the horizontal direction, the distance between the water collection chamber 400 and the box body 100 is increased, the collision of the water collection chamber 400 with the box body 100 is prevented, and the water collection chamber 400 is reduced. The water chamber 400 is damaged; at the same time, the water collection chamber 400 is small, which is more convenient for the installation of other devices at the bottom of the box body 100 .

The projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.

Further, the mounting plate 500 is provided with a drain pipe 401, one end of the drain pipe 401 communicates with the water collecting chamber 400, and the other end leads to the outside of the washing machine or communicates with the general drain pipeline of the washing machine to discharge water. By setting the drainage pipe 401 for discharging the water in the water collection structure in the water collection chamber 400, when the water is discharged into the water collection chamber 400, the water in the water collection chamber 400 will be discharged through the drainage pipe 401 to prevent the water collection There is too much water in the cavity 400 and it overflows.

Further, the wall of the inner barrel 200 is provided with a first drain port 201 and a first drain line 202 communicating with the first drain port 201 , and the water outlet 203 of the first drain line 202 is set on the top of the water collection chamber 400 above the opening. Both the first drain outlet 201 and the first drain pipeline 202 are multiple, and each first drain outlet 201 is respectively associated with the corresponding first drain pipeline 202, and a plurality of first drain outlets 201 may also correspond to one first drain outlet. Pipeline 202, when the washing machine executes the spin-drying program, the water thrown out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202 203 is discharged into the water collecting cavity 400, and stops the overflow of water everywhere.

The water outlet 203 of the first drainage pipeline 202 is disposed above the upper opening of the water collecting chamber 400 . By connecting the water outlet 203 with the water collecting structure, when drying, the water enters the first drainage pipeline 202 through the first water outlet 201 and then is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; Above the upper opening of the water collection chamber 400 surrounded by water ribs 501, the water discharged from the water outlet 203 directly falls into the water collection chamber 400. This structure is simpler, without adding other additional parts, and the water collection effect is better.

Further, the inner tub 200 also includes a second drain port 204 for draining the water in the inner tub 200 into the sump chamber 400 during dehydration and/or spin-drying, between the second drain port 204 and the sump chamber 400 A blocking device 205 is provided, and the blocking device 205 opens the second drain port 204 during dehydration and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain port 204, and the second drain port 204 is discharged during washing. The second drain port 204 is blocked, and the water is kept in the inner tub 200 for washing.

Further, the second drain port 204 is disposed above the upper opening of the water collection chamber 400 , and the blocking device 205 is disposed at the lower part of the second drain port 204 .

By setting the second drain port 204, when dehydrating and/or drying, the blocking device 205 opens the second drain port 204, and the water in the inner tub 200 is directly discharged into the water collection structure, and the water retaining rib 501 blocks the water to prevent the water from overflowing , and drain the water out of the washing machine through the drain pipe 401; when doing laundry, the blocking device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.

The washing machine is a pulsator washing machine.

The blocked device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 arranged under the valve plug 205-1. The electromagnetic device 205-2 is electrically connected with the control device of the washing machine. When the washing machine is in the laundry state, the valve plug 205 -1 Block the second drain port 204 to prevent the water in the inner tub 200 from being discharged. When the washing machine is in the draining or dehydrating state, the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open to discharge water into the catchment structure.

The mounting plate 500 is provided with a positioning device, and the bottom wall of the inner barrel 200 is provided with a matching part that matches the positioning device. The matching part can be a positioning groove. When the positioning device is dehydrating and/or drying, the positioning device is separated from the matching part. , the inner tub 200 rotates with the output shaft 303. When the washing machine is in the washing state, the positioning device cooperates with the matching part, and the inner tub 200 is stuck on the mounting plate 500, and the valve plug 205-1 is just opposite to the second drain port 204, and the second The drain port 204 is blocked to prevent the water in the inner bucket 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.

Further, the installation plate 500 is arranged between the inner barrel 200 and the driving device 300 , and the lower part of the installation plate 500 is fixedly connected with the casing of the driving device 300 . By installing the installation plate 500 between the inner tub 200 and the driving device 300, on the one hand, the water in the inner tub 200 can drop by its own weight and automatically flow into the water collection structure; It is isolated from the driving device 300 to prevent damage to the driving device 300 caused by water.

The driving device 300 includes a motor 301 , a deceleration clutch device 302 is arranged above the motor 301 , and the lower part of the mounting plate 500 is fixedly connected with the deceleration clutch or the housing of the motor 301 .

The connection mode between the mounting plate 500 and the driving device 300 may also be: the mounting plate 500 is connected to the output shaft 303 of the driving device 300 through a bearing.

Further, the output shaft 303 of the reduction clutch passes through the mounting plate 500 and is connected to the inner tub 200 to drive the rotation of the inner tub 200, and the mounting plate 500 is connected to the output shaft 303 of the driving device 300 through a bearing.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Without departing from the scope of the technical solution of the present invention, personnel can use the technical content of the above prompts to make some changes or modify them into equivalent embodiments with equivalent changes. In essence, 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. A washing machine, comprising an inner tub and a driving device for driving the inner tub to rotate, the inner tub has an inner tub mouth, the inner tub is a bucket, and it is characterized in that it also includes an inner tub cover, and the inner tub cover is arranged on The opening of the inner tub is used to limit the washing clothes in the inner tub from being thrown out and/or foam overflowing during the washing process. 2. A washing machine according to claim 1, wherein the inner barrel cover includes a cover plate and a mounting part for fixing with the inner barrel, the cover plate covers the mouth of the inner barrel, and the edge of the inner barrel mouth and the installation part part detachable connection; Preferably, the inner barrel includes a balance ring, the annular mouth of the balance ring is the mouth of the inner barrel, the cover plate covers the annular mouth of the balance ring, and the balance ring is detachably connected to the installation part. 3. A washing machine according to claim 2, characterized in that the cover plate includes a cover plate body, a delivery port provided on the cover plate body, and an inner bucket cover for covering the delivery port, and the clothes can pass through the delivery port Entering the inner barrel, the small lid of the inner barrel is movably connected with the cover body to open/close the feeding port. 4. A washing machine according to claim 3, characterized in that the small inner tub cover is slidably or rotationally connected to the cover body, when the inner tub small cover is in the first position relative to the cover body, the feeding port is opened, and the Clothes are put into the inner tub, when the small lid of the inner tub is in the second position relative to the cover body, the inlet is closed; Preferably, the small inner bucket cover is connected to the cover body through a pin shaft, and the small inner bucket cover can rotate around the pin shaft to realize opening/closing of the feeding port. 5. A washing machine according to any one of claims 3 or 4, characterized in that a blocking structure is provided on the side of the cover body opposite to the inner tub, and the blocking structure is used to prevent foam from overflowing along the inner wall of the cover to the delivery port; Preferably, in the blocking structure, the edge of the insertion port extends toward the inner barrel to form a blocking rib surrounding the insertion port. 6. A washing machine according to any one of claims 3-5, characterized in that, the cover body further includes a water retaining structure arranged on the outer wall of the cover body, and the water retaining structure completely or partially surrounds the The feeding port is used to prevent the washing water from overflowing when the small lid of the inner tub is opened; Preferably, the water retaining structure surrounds the connecting portion of the small lid of the inner tub and the cover body. 7. A washing machine according to any one of claims 3-6, wherein the water retaining structure is a retaining rib arranged on the outer wall of the cover body, and the retaining rib surrounds the small lid of the inner tub and the cover plate The connecting part of the body is arranged, and the connecting part is surrounded on the inner side of the retaining rib; Preferably, the cover body partially protrudes outwards to form a retaining rib, the retaining rib is arc-shaped, and the two ends of the small inner bucket cover and the retaining rib are connected by a pin shaft, and the retaining rib connects the inner barrel small cover and the cover plate body. The connecting portion between the two pin shafts is surrounded by the inner side of the retaining rib. 8. A washing machine according to any one of claims 3-7, further comprising a locking device, the locking device is arranged between the small lid of the inner tub and the cover body, when the small lid of the inner tub closes the opening Finally, fix the small lid of the inner barrel on the cover body; Preferably, the locking device is an electronic door lock or a mechanical door lock. 9. A washing machine according to any one of claims 1-8, wherein the installation part is an installation hole provided on the cover plate, the inner tub is connected to the cover plate through a connecting piece, and the connecting piece passes through Through the installation hole and the inner barrel assembly; Alternatively, the installation part is a protrusion/groove arranged on the lower side of the cover plate, and the inner bucket is provided with a matching groove/protrusion, and the installation part is connected with the cover plate through the protrusion and the groove ; Alternatively, the installation part is a thread provided on the cover plate, and the cover plate is threadedly connected with the inner tub. 10. A washing machine according to any one of claims 1-9, characterized in that, the inner tub cover further comprises a limiting part, and the limiting part restricts the movement of the inner tub cover relative to the inner tub; Preferably, the limiting portion is a folded edge formed by extending the edge of the cover plate toward the inner tub, and the folded edge restricts the movement of the inner barrel cover relative to the inner tub.