CN211772132U

CN211772132U - Washing inner barrel and washing machine

Info

Publication number: CN211772132U
Application number: CN201921901537.XU
Authority: CN
Inventors: 李建全; 赵宇昀; 王铮; 尹文岭
Original assignee: Shenzhen Jinliang Life Technology Co ltd
Current assignee: Shenzhen Jinliang Life Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-27
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a washing inner cylinder, which comprises a fixing mechanism, a first inner cylinder and a second inner cylinder sleeved on the first inner cylinder, wherein the first inner cylinder can stretch relative to the second inner cylinder; the first inner cylinder comprises a first opening and a second opening, and the second opening is provided with a first connecting part; the second inner cylinder comprises a third opening, and the third opening is provided with a second connecting part in limit fit with the first connecting part; when the first inner cylinder extends out of the second inner cylinder and is in a stretching state, the first connecting part and the second connecting part are mutually abutted; the fixing mechanism is positioned on the second connecting part, and when the first inner cylinder extends out of the second inner cylinder and is abutted against each other, the fixing mechanism can relatively fix the first inner cylinder and the second inner cylinder. The washing inner cylinder adopts the telescopic structure of the first inner cylinder and the second inner cylinder, so that the size of the washing machine is reduced by reducing the size of the washing inner cylinder, the portability is improved, and the washing machine is convenient for people to carry.

Description

Washing inner barrel and washing machine

Technical Field

The utility model relates to a washing machine technical field especially relates to a washing inner tube and washing machine.

Background

With the development of science and technology and the improvement of the living standard of people, the requirement of users on the washing machine is continuously improved, and the increase of the washing capacity of the simple washing machine means the increase of the volumes of the inner drum, the outer drum and the shell of the washing machine.

The inner wall of the inner barrel of the existing washing machine is of an integrated structure, the size is fixed, and the requirement that business trip people and family apartment type residents do not occupy space of the washing machine cannot be met.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is necessary to provide a washing tub and a washing machine, which are large in size and not easy to carry.

A washing tub, comprising: the device comprises a fixing mechanism, a first inner cylinder and a second inner cylinder sleeved on the first inner cylinder, wherein the first inner cylinder can stretch relative to the second inner cylinder;

the first inner cylinder comprises a first opening and a second opening, and the second opening is provided with a first connecting part;

the second inner cylinder comprises a third opening, and the third opening is provided with a second connecting part in limit fit with the first connecting part;

when the first inner cylinder extends out of the second inner cylinder and is in a stretching state, the first connecting part and the second connecting part are abutted against each other;

the fixing mechanism is positioned on the second connecting part, and when the first inner cylinder extends out of the second inner cylinder and is abutted against the second inner cylinder, the fixing mechanism can relatively fix the first inner cylinder and the second inner cylinder.

In one embodiment, the fixing mechanism comprises a fixing part and a limiting part;

the limiting part is positioned on the first connecting part, and the fixing part is positioned on the second connecting part;

when the first connecting part and the second connecting part are abutted against each other, the fixing part is in limit fit with the limiting part, so that the first inner cylinder and the second inner cylinder are relatively fixed.

In one embodiment, the limiting portion is a limiting groove formed on the first inner cylinder, and the fixing portion is a fixing member mounted on the second inner cylinder.

In one embodiment, the first connecting part is convexly or concavely arranged on the outer wall of the first inner cylinder, and the limiting groove is arranged on the first connecting part;

the second connecting portion extends out along the side wall of the third opening of the second inner cylinder, and the fixing piece is installed on the second connecting portion.

In one embodiment, a through hole for draining water is formed in the side wall of the first inner cylinder and/or the second inner cylinder.

In one embodiment, the second opening is smaller than the third opening.

A washing machine comprises a washing inner barrel, a washing outer barrel, a base and an upper cover;

the washing inner barrel is arranged on the base and can be arranged in a telescopic manner along the height direction of the washing machine;

the washing outer cylinder can stretch along with the washing inner cylinder, one end of the washing outer cylinder is in sealing fit with the base, and the other end of the washing outer cylinder is in sealing fit with the upper cover to form an accommodating cavity for accommodating the washing inner cylinder;

the upper cover is arranged on the washing outer cylinder.

In one embodiment, the washing machine further comprises a feeding device, wherein the feeding device is arranged on the upper cover, contains a detergent and can feed the detergent into the washing inner barrel.

In one embodiment, the washing machine further comprises a control device, wherein the control device is electrically connected with the feeding device, controls the feeding device to feed detergent into the washing inner drum, and controls the washing inner drum to wash clothes.

In one embodiment, the washing machine further comprises a weight sensor for detecting the weight of the clothes to be washed contained in the washing inner drum;

the control device is electrically connected with the weight sensor and the feeding device and controls the feeding device to feed detergent with the amount corresponding to the weight of the clothes to be washed into the washing inner barrel.

The washing inner cylinder adopts the telescopic structure of the first inner cylinder and the second inner cylinder, so that the size of the washing machine is reduced by reducing the size of the washing inner cylinder, the portability is improved, and the washing machine is convenient for people to carry.

Drawings

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

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

fig. 3 is a schematic structural view of a washing machine according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the feeding device of the washing machine of FIG. 3;

fig. 5 is a top view of the feeding device of the washing machine of fig. 4.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

As shown in fig. 1-2, the present invention relates to a washing inner tube, which adopts the structure of the first inner tube and the second inner tube, so that the washing inner tube can be extended.

The washing tub 410 includes: the inner cylinder device comprises a fixing mechanism 413, a first inner cylinder 411 and a second inner cylinder 412 sleeved on the first inner cylinder 411, wherein the first inner cylinder 411 can extend and contract relative to the second inner cylinder 412. Specifically, the first inner cylinder 411 includes a first opening 4112 and a second opening 4113, and the second opening 4113 is provided with a first connection portion 4111; the second inner cylinder 412 comprises a third opening 4122, and the third opening 4122 is provided with a second connecting part 4121 in limit fit with the first connecting part 4111; when the first inner cylinder 411 extends out of the second inner cylinder 412 and is in a stretching state, the first connecting portion 4111 and the second connecting portion 4121 are abutted against each other; the fixing mechanism 413 is located at the second connection portion 4121, and when the first inner cylinder 411 extends out of the second inner cylinder 412 and is in mutual abutting contact, the fixing mechanism 413 can enable the first inner cylinder 411 and the second inner cylinder 412 to be relatively fixed.

Optionally, the fixing mechanism 413 includes a fixing portion 4131 and a limiting portion 4132. The position-limiting portion 4132 is located on the first connecting portion 4111, and the fixing portion 4131 is located on the second connecting portion 4121; when the first connecting portion 4111 and the second connecting portion 4121 abut against each other, the fixing portion 4131 is in limit fit with the limiting portion 4132, so that the first inner cylinder 411 and the second inner cylinder 412 are relatively fixed. Specifically, the limiting portion 4132 is a limiting groove formed on the first inner cylinder 411, and the fixing portion 4131 is a fixing member mounted on the second inner cylinder 412. More specifically, the first connection portion 4111 is convexly or concavely arranged on the outer wall of the first inner cylinder 411, and the limiting groove is formed in the first connection portion 4111; the second connecting portion 4121 extends along a sidewall of the third opening 4122 of the second inner cylinder 412, and the fixing member is installed on the second connecting portion 4121. When the washing inner cylinder 410 is in a contracted state, the second inner cylinder 412 accommodates the first inner cylinder 411, and the fixing piece is separated from the limiting groove; when the washing inner cylinder 410 is in a stretched state, the first inner cylinder 411 extends out along the opening of the second inner cylinder 412, and after a certain length of extension, the first connecting portion 4111 and the second connecting portion 4121 abut against each other, so as to prevent the first inner cylinder 411 and the second inner cylinder 412 from being pulled out. At this time, the fixing member is in limit fit with the limiting groove, and the first inner cylinder 411 is prevented from retracting into the second inner cylinder 412. In this embodiment, the fixing member is a wedge-shaped elastic sheet, and the first inner tube 411 and the second inner tube 412 are stretched to lock the first connecting portion 4111 and the second connecting portion 4121, so as to prevent pulling off, and the wedge-shaped elastic sheet is spread and ejected to prevent the first inner tube 411 from sliding down. If the first inner cylinder 411 needs to be retracted into the second inner cylinder 412, the wedge-shaped elastic sheet springs open by pushing the first inner cylinder 411 downwards, and the first inner cylinder 411 falls into the second inner cylinder 412.

Optionally, a through hole for draining water is opened on a side wall of the first inner cylinder 411 and/or the second inner cylinder 412.

Optionally, the washing inner barrel 410 includes a first inner barrel 411 and a second inner barrel 412 sleeved on the first inner barrel 411, the first inner barrel 411 can extend and retract relative to the second inner barrel 412, and the second inner barrel 412 is movably connected to the first inner barrel 411. Specifically, the first inner barrel 411 has a first opening 4112 and a second opening 4113 located at the first connection portion 4111, one end of the second inner barrel 412 has a third opening 4122 for the first inner barrel 411 to extend and retract, the other end is provided with the pulsator 413, and the second opening 4113 is smaller than the third opening 4122. In this embodiment, the washing drum 410 has two first drums 411 and one second drum 412, and the openings of the two first drums 411 are different in size. The two first inner cylinders 411 are numbered as a1 and a 2. The opening of the first inner barrel 411 of A1 is smaller than the opening of the first inner barrel 411 of A2, and the outer wall of the second opening 4113 of the first inner barrel 411 of A1 is movably connected with the inner wall of the first opening 4112 of the first inner barrel 411 of A2. The outer wall of the second opening 4113 of the first inner cylinder 411 of A2 is movably connected with the inner wall of the second inner cylinder 412. When the washing inner cylinder 410 is in a contracted state, the plurality of first inner cylinders 411 are contracted in sequence, the A2 first inner cylinder 411 contains the A1 first inner cylinder 411, and the A2 first inner cylinder 411 is contained in the second inner cylinder 412; when the washing drum 410 is in a stretched state, the plurality of first inner drums are sequentially extended, the a1 first inner drum 411 extends along the a2 first opening 4112 of the first inner drum 411, and the a2 first inner drum 411 extends along the opening of the second inner drum 412. A fixing mechanism 413 is provided in the first inner tube 411 and the second inner tube 412 of a2 to fix the first inner tube 411 and the second inner tube 412 in a stretched state.

The washing inner tub 410 adopts a telescopic structure of the first inner tub 411 and the second inner tub 412, and the volume of the washing inner tub 410 is reduced, so that the volume of the washing machine is reduced, the portability is improved, and the washing machine is convenient to carry.

As shown in fig. 3 to 5, the present invention relates to a washing machine, which can make the appearance of the washing machine telescopic by using a telescopic washing cylinder 40, occupies less space, and is light and small. Can meet the requirement of people on business trips on portability of the washing machine.

The washing machine includes: a base 10, a washing drum 40 and an upper cover 20. Specifically, the washing cylinder 40 is installed on the base 10, the washing cylinder 40 is telescopically arranged along the height direction of the washing machine, and the upper cover 20 is covered on the washing cylinder 40.

Optionally, the washing machine further comprises a dosing device 50 and a control device 30. Specifically, the feeding device 50 is installed on the upper cover 20, contains detergent and can feed the detergent into the washing drum 40. The control device 30 is electrically connected to the feeding device 50, controls the feeding device 50 to feed detergent into the washing drum 40, and controls the washing drum 40 to wash the laundry.

Optionally, the washing machine further comprises a weight sensor for detecting the weight of the laundry held in the washing drum 40. Specifically, the control device 30 is electrically connected to the weight sensor and the feeding device 50, and controls the feeding device 50 to feed the detergent with an amount corresponding to the weight of the laundry into the washing drum 40, so as to control the amount of the detergent, and the detergent is not required to be added manually and automatically, thereby simplifying the user operation and improving the user experience. In this embodiment, the weight sensor may be installed at the bottom of the washing drum 40 or in the base 10.

Optionally, the feeding device 50 comprises a detergent container 520 and a first driving mechanism 540, the detergent container 520 is provided with a feeding opening 531 communicating with the inside of the washing drum 40, and the first driving mechanism 540 can drive the detergent container 520 to feed the detergent into the inside of the washing drum 40 under the control of the control device 30. Specifically, the detergent container 520 includes a feeding housing 530 and a feeding mechanism 510 disposed inside the feeding housing 530; the feeding housing 530 can contain detergent, the feeding opening 531 is disposed in the feeding housing 530, the feeding mechanism 510 is driven by the first driving mechanism 540, and can feed the detergent in the feeding housing 530 into the washing drum according to a predetermined amount from the feeding opening 531 under the first driving mechanism 540, and the control device 30 controls the feeding mechanism 510 to feed the detergent into the washing drum according to an amount corresponding to the weight of the laundry.

Optionally, the releasing mechanism 510 is a rotating disc, a switch device 511 is disposed at the bottom of the rotating disc, and the switch device 511 is turned on or turned off according to the rotation angle of the rotating disc. Specifically, the switch device 511 is a switch elastic sheet, and is located at the bottom of the rotating disk, the switch elastic sheet abuts against the feeding shell 530, and the bottom of the rotating disk is closed; the switch elastic sheet is not abutted against the feeding shell 530, and the bottom of the rotating disk is opened. In one embodiment, the switch device 511 is integrally formed with the rotating disc, and is located at the bottom of the rotating disc, the switch elastic sheet abuts against the feeding housing 530, and the bottom of the rotating disc is closed; the switch elastic sheet is not abutted against the feeding shell 530, and the bottom of the rotating disk is opened. In another embodiment, the switch device 511 is located at the feeding opening 531, and is turned on or off according to the rotation angle of the rotating disc. The rotating disc is in a fan blade shape, when the rotating disc pushes the detergent to the feeding opening 531, the switch device 511 is turned on, and the detergent enters the washing drum from the feeding opening 531.

Optionally, a plurality of partition plates 550 are disposed inside the rotating disk, and the plurality of partition plates 550 are arranged at preset regular intervals. A plurality of partitions 550 form a plurality of compartments for holding detergent, and the volume of the compartments can be controlled by setting the space between the partitions 550, and accordingly, the amount of detergent contained can be controlled. Specifically, a plurality of the partitions 550 are uniformly spaced radially with respect to the center of the rotating disk, and the compartments are used for holding detergent. In one embodiment, the rotating disc is in a shape of a fan blade, and the partition 550 is a blade, when the rotating disc rotates, the detergent is thrown into the washing drum through the feeding opening 531 by the blade, and the amount of the detergent to be thrown is controlled according to the rotating angle.

Optionally, the bottom of the rotating disk compartment is provided with a switch device 511, and the switch device 511 is turned on or off according to the rotation angle of the rotating disk. Specifically, when the first driving mechanism 540 drives the compartment of the rotating disc to rotate to the feeding opening 531, the switch device 511 is turned on, so that the detergent can be smoothly fed; when the first driving mechanism 540 is stopped, the compartment of the rotating disk is separated to the feeding opening 531, and the switch device 511 is closed, preventing the detergent from leaking out. In one embodiment, the rotating disc is a box-shaped rotating disc and has a plurality of compartments, the switch device 511 is integrally formed with the bottom plate of the compartment on the rotating disc, the switch device 511 is a switch elastic sheet, the bottom of each compartment is provided with a switch elastic sheet, and when the switch elastic sheet abuts against the feeding shell 530, the bottom plate of the rotating disc compartment is in a closed state to prevent detergent from leaking; when the switch elastic sheet is not abutted against the feeding shell 530, the bottom plate of the rotating disc compartment is in an open state, so that the detergent slides out. When the rotation is performed, the bottom plate of the compartment is closed, which is convenient for a user to fill detergent.

Optionally, the feeding housing 530 is provided with a stabilizing shaft 532, and the rotating disk is rotatably sleeved on the stabilizing shaft 532 to prevent the rotating disk from shaking during rotation. Specifically, the stabilizing shaft 532 is located at the bottom center of the charging housing 530.

Optionally, the feeding housing 530 includes a feeding upper shell and a feeding lower shell detachably connected to the feeding upper shell. Specifically, the feeding upper shell and the feeding lower shell can be in an open state, so that a user can add detergent, and when the addition is completed, the feeding upper shell and the feeding lower shell are closed to prevent foreign matters from entering. In this embodiment, the feeding housing 530 is located on a side of the washing drum 40 away from the base 10, and the feeding upper housing and the feeding lower housing are connected by a snap structure.

Optionally, the washing drum 40 includes a washing inner drum 410 and a washing outer drum 420. The side wall of the washing inner cylinder 410 can be extended and contracted along the axial direction of the washing inner cylinder 410 and is installed on the base 10. The washing outer cylinder 420 can extend and retract along with the washing inner cylinder 410, one end of the washing outer cylinder is in sealing fit with the base 10, and the other end of the washing outer cylinder is in sealing fit with the upper cover, so that a containing cavity is formed to contain the washing inner cylinder 410. Specifically, the washing drum 410 further includes a pulsator 413 and a second driving motor 120, the second driving motor 120 is connected to the pulsator 413, the second driving motor 120 is electrically connected to the control device 30, the control device 30 controls the second driving motor 120 to drive the pulsator 413, and the weight sensor is located between the washing drum 410 and the second driving motor 120. In one embodiment, the washing machine is a vertical washing machine, the washing drum 40 is vertically arranged in the base 10, the weight sensor is located on one side of the washing inner drum 410 away from the feeding device 50, and the washing outer drum 420 is an elastic tubular object and is convenient to stretch and retract along with the washing inner drum 410.

Optionally, the washing inner cylinder 410 includes a first inner cylinder 411 and a second inner cylinder 412 sleeved on the first inner cylinder 411, a plurality of through holes are opened on side walls of the first inner cylinder 411 and the second inner cylinder 412, the first inner cylinder 411 can extend and retract relative to the second inner cylinder 412, one end of the second inner cylinder 412 is movably connected with the first inner cylinder 411, and the other end is fixedly connected with the base 10. Specifically, the first inner barrel 411 has a first opening 4112 and a second opening 4113, the outside of the second opening 4113 is connected to the inner wall of the second inner barrel 412, one end of the second inner barrel 412 has a third opening 4122 for the first inner barrel 411 to extend and retract, and the other end is provided with a pulsator 413. In this embodiment, the washing drum 410 has five first inner drums 411 and one second inner drum 412, and the openings of the five first inner drums 411 are different in size. The five first inner cylinders 411 are numbered as a1, a2, A3, a4 and a 5. The opening of the first inner barrel 411 of a1 is smaller than the opening of the first inner barrel 411 of a2, the opening of the first inner barrel 411 of a1 is smaller than the opening of the first inner barrel 411 of A3, and the outer wall of the second opening 4113 of the first inner barrel 411 of a1 is movably connected with the inner wall of the first opening 4112 of the first inner barrel 411 of a 2. The connection modes of the first inner barrel 411 of A2, the first inner barrel 411 of A3, the first inner barrel 411 of A4 and the first inner barrel 411 of A5 are the same as those of the first inner barrel 411 of A1 and the first inner barrel 411 of A2, and are not described herein again. A5 the outer wall of the second opening 4113 of the first inner barrel 411 is movably connected to the inner wall of the second inner barrel 412, and the second inner barrel 412 is fixedly connected to the base 10. When the washing inner cylinder 410 is in a contracted state, the plurality of first inner cylinders 411 are contracted in sequence, the A2 first inner cylinder 411 contains the A1 first inner cylinder 411, the A3 first inner cylinder 411 contains the A2 first inner cylinder 411, the A4 first inner cylinder 411 contains the A3 first inner cylinder 411, the A5 first inner cylinder 411 contains the A4 first inner cylinder 411, and the second inner cylinder 412 contains the A5 first inner cylinder 411; when the washing inner cylinder 410 is in a stretched state, the plurality of first inner cylinders extend in sequence, the a1 first inner cylinder 411 extends out along the first opening 4112 of the a2 first inner cylinder 411, the a2 first inner cylinder 411 extends out along the first opening 4112 of the A3 first inner cylinder 411, the A3 first inner cylinder 411 extends out along the first opening 4112 of the a4 first inner cylinder 411, the a4 first inner cylinder 411 extends out along the first opening 4112 of the a5 first inner cylinder 411, and the a5 first inner cylinder 411 extends out along the opening of the second inner cylinder 412. The first inner cylinder 411 and the second inner cylinder 412 in a buckling and fixing stretching states are arranged on the first inner cylinder 411A 2, the first inner cylinder 411A 3, the first inner cylinder 411A 4, the first inner cylinder 411A 5 and the second inner cylinder 412. The washing outer cylinder 420 is made of rubber, can stretch along with the washing inner cylinder 410, and is in sealing fit with the base 10 and the upper cover 20.

Optionally, the washing machine further comprises a drying device 110, wherein the drying device 110 is in communication with the washing drum 40 and delivers hot air into the washing drum 40. Specifically, the drying device 110 is a drying fan, the drying fan is communicated with the washing drum 40, and when drying is performed, the drying fan heats air, and delivers the hot air into the washing inner drum 410 of the washing drum 40, so as to dry the clothes in the washing inner drum 410.

Optionally, the control device 30 is electrically connected to the feeding device 50 and the washing drum 40. Specifically, the user controls the first driving motor to start through the control device 30, adjusts the rotation angle of the rotating disc, and controls the adding amount of the detergent; the user controls the second driving motor 120 to start through the control device 30, and starts the pulsator 413 to wash the laundry. In this embodiment, the control device 30 is a control board, and the control board is electrically connected to the feeding device 50 and the washing drum 40 through wires, and is suspended outside the washing outer drum 420.

Optionally, a water inlet is opened at the top of the feeding device 50, a water outlet is opened at the bottom of the base 10, and a drain valve is arranged at the water outlet. Specifically, the washing machine delivers water to the washing tub 40 through a water inlet at the top, and when washing is completed, a drain valve is opened to discharge waste water.

The washing machine adopts the telescopic washing drum 40 to reduce the volume of the washing machine, improve the portability and facilitate the carrying of people.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A washing tub, comprising: the device comprises a fixing mechanism, a first inner cylinder and a second inner cylinder sleeved on the first inner cylinder, wherein the first inner cylinder can stretch relative to the second inner cylinder;

2. A washing drum according to claim 1, wherein the securing mechanism comprises a securing portion and a limiting portion;

3. The washing inner cylinder of claim 2, wherein the limiting portion is a limiting groove formed on the first inner cylinder, and the fixing portion is a fixing member mounted on the second inner cylinder.

4. The washing inner cylinder of claim 3, wherein the first connecting part is arranged on the outer wall of the first inner cylinder in a protruding or concave manner, and the limiting groove is arranged on the first connecting part;

5. The washing drum as claimed in claim 1, wherein the sidewall of the first drum and/or the second drum is provided with a through hole for draining water.

6. A washing drum according to claim 1, wherein the second opening is smaller than the third opening.

7. A washing machine, characterized in that, comprising the washing inner cylinder, washing outer cylinder, base and upper cover of any claim 1-6;

the upper cover is arranged on the washing outer cylinder.

8. The washing machine as claimed in claim 7, further comprising a feeding device installed on the upper cover, containing detergent and capable of feeding the detergent into the washing drum.

9. The washing machine as claimed in claim 8, further comprising a control device electrically connected to the feeding device, controlling the feeding device to feed the detergent into the washing drum, and controlling the washing drum to wash the laundry.

10. The washing machine as claimed in claim 9, further comprising a weight sensor for detecting a weight of the laundry held in the washing drum;