CN115434122A - Washing machine - Google Patents

Abstract

The invention provides a washing machine, belongs to the technical field of washing machines, and aims to solve the problems that the existing nozzle cannot realize all-dimensional spraying and cannot effectively flush an outer barrel cover. Therefore, the pulsator washing machine comprises an inner barrel, an outer barrel cover and a plurality of self-rotating nozzles; wherein, the outer barrel cover is provided with a spraying cavity which comprises a water inlet hole and a water outlet hole, and the water outlet hole is communicated with the nozzle; the plurality of nozzles are arranged at intervals along the circumferential direction of the outer barrel cover, the nozzles are rotationally connected on the bottom surface of the outer barrel cover, and the nozzles are communicated with the spraying cavity; the nozzle is provided with a spray hole, and spray water is sprayed out of the spray hole and drives the nozzle to rotate. In the pulsator washing machine, the outer barrel cover is provided with a plurality of self-rotating nozzles along the circumferential direction of the outer barrel cover, and clothes in the inner barrel can be sprayed in all directions, so that the spraying effect is improved; and the nozzle is at the rotation of spraying in-process, can spray to the peripheral structure around the nozzle to wash its surperficial dirt, in order to promote user experience.

Description

Washing machine

Technical Field

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

Background

The pulsator washing machine comprises a box body, an outer barrel and an inner barrel, wherein the outer barrel and the inner barrel are arranged in the box body, and when the pulsator washing machine works, the impeller arranged in the inner barrel can drive washing water and clothes in the inner barrel to rotate at a high speed under the action of a driving device, so that the aim of washing the clothes is fulfilled.

The pulsator washing machine has the following problems in the use process: when the amount of the laundry is large, the phenomenon that part of the laundry is not soaked by the washing water is easy to occur, thereby affecting the washing effect. In order to solve the above problems, some pulsator washing machines in the prior art are provided with a spraying structure above the outer tub cover and the outer tub, wherein the spraying structure includes a nozzle to spray spraying water toward the inner tub through the nozzle, so as to achieve the purpose of soaking clothes.

However, the nozzles in the existing spraying structure can only spray directionally, and the following problems exist:

1) Omnibearing spraying cannot be realized, so that uneven spraying is caused, and the spraying effect is poor;

2) The outer barrel cover and the balance ring cannot be effectively washed, so that dirt on the surfaces of the outer barrel cover and the balance ring cannot be cleaned, and user experience is influenced.

Disclosure of Invention

In order to solve the above-mentioned problem among the prior art, this application provides a washing machine, and it can solve current nozzle and can't realize all-round spraying and can't carry out abluent problem to outer bung and compensating ring.

The application provides a washing machine, which comprises an outer barrel, an inner barrel rotatably arranged in the outer barrel, an outer barrel cover arranged above the outer barrel and a plurality of self-rotating nozzles;

the outer barrel cover is provided with a spraying cavity, the spraying cavity comprises a water inlet hole and a water outlet hole, and the water outlet hole is communicated with the nozzle;

the plurality of nozzles are arranged at intervals along the circumferential direction of the outer barrel cover, are rotatably connected to the bottom surface of the outer barrel cover and are communicated with the spraying cavity; the nozzle is provided with at least one jet hole, and the spray water is jetted from the jet hole and drives the nozzle to rotate.

In the above preferred technical solution, the nozzle includes a nozzle body and an insertion part;

the nozzle body is provided with an inner cavity and a spray hole communicated with the inner cavity, and the spray hole is positioned on the side wall of the nozzle body;

the insertion part is arranged on the nozzle body and protrudes out of the nozzle body, the insertion part is inserted into the water outlet hole, and the nozzle body rotates relative to the outer cylinder cover;

the inserting part is arranged on the nozzle body and protrudes out of the nozzle body, the inserting part is provided with a through hole, one end of the through hole is communicated with the inner cavity, and the other end of the through hole is communicated with the spraying cavity.

In the above preferred technical solution, the insertion part is a connecting pipe disposed on the nozzle body;

the connecting pipe is kept away from the one end of nozzle body has the joint cap, the joint cap joint in the edge of apopore, just the connecting pipe with outer bucket lid rotates to be connected.

In the above preferred technical solution, a rotary sealing member is disposed between the connecting pipe and the water outlet hole.

In the above preferred technical solution, the insertion part is a connecting pipe disposed on the nozzle body;

one end of the connecting pipe, which is far away from the nozzle body, is inserted into the water outlet hole and fixed;

one end of the connecting pipe close to the nozzle body is rotatably connected with the nozzle body.

In the above preferred technical solution, the nozzle body is a rectangular housing;

the nozzle body protrudes towards the outer side to form a plurality of spraying parts, and the plurality of spraying parts are arranged on the side wall of the nozzle body in a surrounding manner;

the injection part is provided with a slope, and the injection holes are arranged in the slope.

In the above-described preferred embodiment, the plurality of ejection portions are provided on the nozzle body in a centrosymmetric manner.

In the above preferred technical solution, the outer tub cover includes a spray ring disposed on a bottom surface thereof, and the spray cavity is disposed in the spray ring.

In the above preferred technical solution, the washing machine further includes a balance ring disposed on the inner tub;

the spray ring is positioned above the balance ring, a safety gap is kept, and the spray holes of the nozzles are opposite to the balance ring.

In the above preferred technical solution, the washing machine further includes a circulation pipeline and a circulation pump disposed on the circulation pipeline;

the circulating pipeline is arranged on the outer side of the outer barrel, one end of the circulating pipeline is communicated with the outer barrel, and the other end of the circulating pipeline is communicated with the water inlet hole.

Compared with the prior art, the washing machine provided by the application has the following advantages;

the application provides a washing machine, an outer barrel cover is provided with a plurality of self-rotating nozzles, and the plurality of nozzles are arranged along the circumferential direction of the outer barrel cover; one end of the nozzle is communicated with the spraying cavity of the outer barrel cover, the nozzle is provided with at least one spraying hole, spraying water is sprayed out of the spraying holes, an annular water curtain is formed in the inner barrel, and the spraying effect of clothes is improved. In the spraying process, the nozzle can rotate relative to the outer barrel cover under the reverse action of the water jet flow so as to carry out all-dimensional spraying on the inner barrel, and the spraying effect can be further improved.

Meanwhile, the nozzles rotate in the spraying process, and can spray the peripheral structures around the nozzles, for example, the nozzles can spray and flush an outer barrel cover, a balance ring and the like to wash dirt on the surfaces of the outer barrel cover and the balance ring, and user experience can be improved.

Drawings

Fig. 1 is a schematic view of an internal structure of a washing machine according to an embodiment of the present disclosure;

fig. 2 is a top view of the installation of the outer tub cover, the inner tub and the outer tub provided in the embodiment of the present application;

fig. 3 is a bottom view of an outer tub cover according to an embodiment of the present application;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic view of the arrangement of the nozzle on the outer barrel cover according to the embodiment of the present application;

FIG. 6 is an isometric illustration of a nozzle provided by an embodiment of the present application;

FIG. 7 is a bottom view of a nozzle provided in accordance with an embodiment of the present application;

fig. 8 is a side view of a nozzle provided in an embodiment of the present application.

Description of reference numerals:

10-a box body; 20-an outer barrel;

30-inner barrel; 31-a wave wheel;

40-outer tub cover; 41-spraying cavity; 42-water inlet pipe;

50-a balancing ring;

60-a nozzle; 61-connecting tube; 62-a nozzle body;

63-a spraying section; 631-a nozzle;

71-a circulating pump; 72-circulation line;

80-a drain line; 81-draining pump;

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 and 2, the washing machine provided in the embodiment of the present application may be a pulsator washing machine, which includes a cabinet 10, and an inner tub 30, an outer tub 20, a balance ring 50, an outer tub cover 40, a spray assembly, and a driving device disposed in the cabinet 10. Wherein the inner tub 30 serves as a washing tub for containing laundry to be cleaned. The inner tub 30 is provided therein with a pulsator 31, and the pulsator 31 is connected to a driving device located outside the inner tub 30 through a driving shaft, and the driving device provides a rotational force to the pulsator 31 and rotates it. In an operation state, the driving device may drive the pulsator 31 to rotate in the inner tub 30 to drive the washing water to rotate relative to the inner tub 30, thereby washing the laundry.

The balance ring 50 is arranged on the inner barrel 30, and the rotation axis of the balance ring 50 can be coincided with the rotation axis of the inner barrel 30; when the inner tub 30 rotates, the inertia of the balance ring 50 offsets or buffers the inertia of the inner tub 30 to reduce the vibration of the inner tub 30 when rotating, and reduce the operation noise of the pulsator washing machine.

The outer barrel 20 is used as a water containing barrel, the outer barrel 20 is fixedly arranged in the box body 10, the outer barrel 20 is sleeved outside the inner barrel 30, and the inner barrel 30 is communicated with the outer barrel 20 through the through holes; the washing water in the inner tub 30 may flow into the outer tub 20 through the through holes, and the washing water in the outer tub 20 may be sprayed into the inner tub 30 through the spray assembly, thereby circulating the washing water between the inner tub 30 and the outer tub 20.

Further, a drain line 80 is provided at the bottom of the outer tub 20, and the drain line 80 is used to drain the washing water to the outside of the cabinet 10. The drain line 80 is provided with a drain pump 81 and a drain valve, the drain pump is used for sucking the washing water in the outer tub 20 and sucking the washing water into the drain line 80; the drain valve is used to control the on/off of the drain line, and may be an electromagnetic valve, and when it receives a drain command, that is, when it is necessary to drain the washing water in the inner tub 30, the washing water is drained out of the cabinet 10 by opening the drain valve and the drain pump 81.

The outer tub cover 40 is disposed above the inner tub 30, and the outer tub cover 40 maintains a certain safety gap with the balance ring 50 disposed on the inner tub 30, preventing the outer tub cover 40 from interfering with the balance ring 50, and improving the operation safety of the pulsator 31 washing machine. Further, the outer tub cover 40 provided in this embodiment may be an annular cover body, which can shield a gap between the inner tub 30 and the outer tub 20, prevent foreign matter from entering between the inner tub 30 and the outer tub 20, and further improve the operation safety of the pulsator 31 washing machine.

The outer tub cover 40 may be fixed to a sidewall of the outer tub 20 by means of snap-fitting, etc. For example, the outer side wall of the outer tub cover 40 is provided with a buckle, the side wall of the outer tub 20 is provided with a latch tongue matched with the buckle, and the outer tub cover 40 is connected to the latch tongue of the outer tub 20 through the buckle thereof, so that the outer tub cover 40 can be detachably mounted on the outer tub 20. It will be appreciated that the outer tub cover 40 may be detachably connected to the sidewall of the outer tub 20, for example, by fastening, etc.

As shown in fig. 3 to 5, the outer tub cover 40 is provided with a spray chamber 41 toward the bottom surface of the inner tub 30 or the outer tub 20. Specifically, the bottom surface of the outer tub cover 40 is partially raised to form an extension, the extension has a spraying cavity 41, the spraying cavity 41 may be an annular cavity, and the side of the extension away from the inner tub 30 is provided with a water inlet for introducing spraying water into the spraying cavity 41.

The bottom surface of extension is provided with a plurality of apopores, and along outer bung 40 circumference, a plurality of apopores can set up on the bottom surface of extension at intervals. The water outlet is used for installing the self-rotating nozzle 60, that is, one end of the water outlet is communicated with the nozzle 60, and the other end of the water outlet is communicated with the spraying cavity 41, so that the spraying water in the spraying cavity can be guided into the nozzle 60, sprayed into the inner barrel 30 through the nozzle 60, and sprayed onto the peripheral structure of the nozzle 60.

The spraying assembly is used for providing spraying water and comprises a circulating pipeline 72, a circulating pump 71 and a plurality of self-rotating nozzles 60; wherein, the circulation pipeline 72 is disposed at the outer side of the outer tub 20 and between the cabinet 10 and the outer tub 20. For example, the circulation line 72 may be fixed on the outer wall of the outer tub 20 or the inner wall of the cabinet 10 by a clamp; one end of the circulation pipeline 72 is communicated with the inside of the outer tub 20, and the circulation pipeline 72 may be connected to the bottom of the outer tub 20; the other end of the circulation line 72 may communicate with the water inlet hole of the shower chamber 41.

The circulation pump 71 may be fixed on the cabinet 10 or an inner wall of the outer tub 20, and the circulation pump 71 is disposed in the circulation line 72, the circulation pump 71 being in communication with the circulation line 72 for pumping the washing water in the outer tub 20 into the spray chamber 41 to provide the spray water having a certain pressure.

A plurality of nozzles 60 may be provided at intervals along the circumferential direction of the shower chamber 41; for example, the spray chamber 41 may be provided with 4 or 6 nozzles 60 along its circumference, and the intervals between adjacent two nozzles 60 may be equal. One end of the nozzle 60 is inserted into the water outlet hole of the spray chamber 41 and rotatably connected to the outer tub cover 40. For example, the nozzle 60 can rotate horizontally relative to the outer tub cover, so that the gap between the nozzle 60 and the balance ring 50 can be effectively controlled, and the operation safety of the pulsator washing machine can be improved.

Each nozzle 60 is provided with at least one injection hole 631, and the injection hole 631 has a certain inclination angle and is located on a sidewall of the nozzle 60. When the shower water with a certain pressure (impulse) flows through the injection holes 631, a reverse impulse is provided to the nozzle 60, so that the nozzle 60 is driven to rotate relative to the outer tub cover 40, and thus the nozzle is referred to as a "self-rotating" nozzle.

It is understood that the present embodiment can adjust the rotation speed of the self-rotating nozzle 60 by controlling the operation state of the circulation pump 71. For example, the higher the impeller rotation speed of the circulation pump 71, the higher the rotation speed of the nozzle 60, and the greater the impact of the shower water; therefore, the impeller rotating speed of the circulating pump 71 is increased, and the spraying effect and efficiency can be improved.

The utility model provides a rotary drum washing machine, outer bung 40 is provided with a plurality of nozzles 60 along its circumference interval, and the shower water that a plurality of nozzles 60 jetted out can form annular water curtain, can promote the effect of spraying to the clothing. Further, in the spraying process, the nozzle 60 can rotate relative to the outer barrel cover 40 under the reverse action of the water jet flow so as to spray the inner barrel 30 in all directions, and the spraying effect can be further improved.

Meanwhile, the spray nozzle 60 may rotate relative to the outer tub cover 40 during the spraying process, and may spray the peripheral structure around the spray nozzle 60. For example, the nozzles 60 may spray rinse the outer tub lid, the balance ring 50, etc. to rinse dirt, etc. from the surface thereof, which may enhance the user experience.

As shown in fig. 6 to 8, on the basis of the above embodiments, the nozzle 60 provided in the embodiment of the present application includes a nozzle body 62 and an insertion part; wherein, the inserting part is arranged on the top surface of the nozzle body 62, and the inserting part is convexly arranged on the top surface of the nozzle body 62 and extends upwards. The insertion part is used for connecting the nozzle 60 to the outer barrel cover 40, the insertion part is matched with a water outlet hole of the spraying cavity 41, the insertion part is inserted to the water outlet hole, and the nozzle body 62 can rotate relative to the outer barrel cover 40, so that the nozzle 60 can rotate relative to the outer barrel cover 40 when spraying water.

The nozzle body 62 has an inner cavity and at least one injection hole 631 disposed on a sidewall of the nozzle body 62, the injection hole 631 communicating with the inner cavity of the nozzle body 62. The insertion part is provided with a through hole, when the insertion part is communicated with the outer barrel cover 40, one end of the through hole is communicated with the spraying cavity 41, and the other end of the through hole is communicated with the inner cavity; the spray water of the spray chamber 41 may flow into the inner chamber of the nozzle body 62 through the through holes and be sprayed into the inner tub 30 through the spray holes 631; or sprayed to the surface of the outer tub cover 40 and the balance ring 50.

In one embodiment, the nozzle body and the insertion portion provided in this embodiment do not rotate relatively, and the insertion portion is rotatably connected to the outer barrel cover 40.

Specifically, the insertion part of the nozzle 60 according to the embodiment of the present application may be the connection pipe 61. It can be understood that the connecting pipe 61 is a circular pipe, and the water outlet hole of the outer tub cover 40 is in clearance fit with the connecting pipe 61. The connecting pipe 61 can be vertically connected to the nozzle body 62, one end of the connecting pipe 61 is communicated with the inner cavity of the nozzle body 62, and the other end of the connecting pipe 61 is rotatably connected to the water outlet hole of the outer barrel cover 40.

For example, the end of the connection tube 61 away from the nozzle body 62 is provided with a snap cap, which may be an annular rim surrounding the end of the connection tube 61 and protruding outwards, and the annular rim and the connection tube 61 may be integrally formed and have a T-shaped structure as a whole. One end of the connecting pipe 61 close to the nozzle body 62 is provided with a threaded connection section, the nozzle body 62 is provided with a threaded hole matched with the threaded connection section, and the nozzle body 62 is connected with the connecting pipe 61 in a threaded connection mode.

One end of the connecting pipe 61 can be clamped in the water outlet hole, and the annular rim is pressed around the water outlet hole of the outer barrel cover 40, so that the connecting pipe 61 can be prevented from falling off from the outer barrel cover 40. The connecting pipe 61 is in clearance fit with the water outlet hole of the outer barrel cover 40, when spraying water is sprayed out from the spray holes 631 of the spray nozzle 60, the spraying water flow exerts reverse acting force on the spray nozzle 60, the reverse acting force is transmitted to the connecting pipe 61 through the nozzle body 62, so that the connecting pipe 61 can rotate relative to the outer barrel cover 40, and the rotation of the nozzle body 62 relative to the outer barrel cover 40 is realized.

Further, be provided with between connecting pipe 61 and the apopore and rotate the sealing member to seal the clearance between connecting pipe 61 and the apopore, prevent that the shower water from flowing from above-mentioned gap, in order to promote the spray effect of nozzle 60.

For example, be provided with the bearing sliding sleeve between connecting pipe 61 and the apopore, the bearing sliding sleeve can cup joint on connecting pipe 61, forms rotation seal between bearing sliding sleeve and the apopore, not only can realize sealing the clearance between connecting pipe 61 and the apopore, but also can reduce the rotational resistance between connecting pipe 61 and outer barrel head 40.

In another embodiment, the nozzle body 62 provided in this embodiment is rotatably connected to the insertion part, and the connection pipe 61 is fixedly installed in the water outlet hole of the outer tub cover 40.

Specifically, the insertion part of the nozzle 60 provided in the embodiment of the present application may be a connection pipe 61; the connection pipe 61 may be a circular pipe, and the connection pipe 61 is in clearance fit with the water outlet hole of the outer tub cover 40. The connecting pipe 61 may be vertically disposed between the outer tub cover 40 and the nozzle body 62, wherein one end of the connecting pipe 61 is inserted into the water outlet hole and fixed, and one end of the connecting pipe 61 close to the nozzle body 62 may be rotatably connected to the nozzle body 62.

For example, one end of the connecting pipe 61 may be provided with a threaded connection section, the hole wall of the water outlet hole is provided with an internal thread matching with the threaded connection section, and one end of the connecting pipe 61 away from the nozzle body 62 may be installed in the outer tub cover 40 in a threaded connection manner; the connection pipe 61 is provided with a rotational connection structure and is rotatably connected with the nozzle body 62 through the rotational connection structure.

On the basis of the above embodiments, the nozzle body 62 provided in the embodiments of the present application may be a rectangular housing, which includes a top surface, a bottom surface, and a plurality of side surfaces located between the top surface and the bottom surface; the top surface, the bottom surface and the plurality of side surfaces enclose an inner cavity. One end of the connection pipe 61 is vertically connected to the top surface of the nozzle body 62 and communicates with the inner chamber.

The nozzle body 62 is provided with a plurality of jetting parts 63 protruding outward, and the plurality of jetting parts 63 are surrounded on the side wall of the nozzle body 62. For example, a plurality of injection portions 63 are formed extending outward at the edge between the adjacent two side surfaces. Each of the spraying parts 63 has an inclined surface, each of which is provided with spraying holes 631, the spraying holes 631 extending obliquely downward and facing the inner tub 30, so that the spraying water sprayed from the spraying holes 631 can flow into the inner tub 30 and wash the balancing ring 50.

Further, the nozzle body 62 is provided with one spraying part 63 at each edge, that is, the nozzle body 62 is provided with four spraying parts 63 at equal intervals along the sidewall thereof, each spraying part 63 is provided with one spraying hole 631, the inclination range of the spraying hole 631 may be 15 ° to 45 °, so that the spraying hole 631 may be opposite to the inner tub 30, the balance ring 50, and the like, and the spraying water sprayed from the spraying hole 631 may be directed to the inner tub 30 and wash the balance ring 50.

Further, the plurality of jetting parts 63 may be provided on the sidewall of the nozzle body 62 symmetrically with respect to the center of the nozzle body 62, that is, the plurality of jetting parts 63 may be provided on the sidewall of the nozzle body 62 in a centrosymmetric manner. By such arrangement, when the spraying water is ejected from the spraying holes 631, the reverse impact force applied to the nozzle body 62 is uniform, so as to ensure the stability of the nozzle 60 in rotating relative to the outer barrel cover 40.

It is understood that the nozzle body 62 is not limited to a rectangular housing, and the nozzle body 62 may also be a cylindrical structure, and a plurality of injection parts 63 are disposed at equal intervals along the outer sidewall of the nozzle body 62, and the injection parts 63 are provided with injection holes 631, so that when the shower water flows through the injection holes, the injection parts can be provided with a reverse force to rotate the nozzle.

In the above embodiment, the shower chamber 41 is provided in the extension portion formed by the bottom surface of the outer tub cover 41 bulging downward. The embodiment of the present application provides another implementation manner, the outer barrel cover 41 further includes a spray ring 41, and the spray ring 41 can be regarded as an "extension" of the outer barrel cover 41, that is, the bottom surface of the spray ring 41 also belongs to a part of the bottom surface of the outer barrel cover 41. For example, the spray chamber 41 may be formed on a spray ring, which is then mounted on the bottom surface of the outer tub cover 40. With such an arrangement, the manufacturing process of the spray chamber 41 can be simplified and the nozzle 60 can be easily mounted on the outer tub cover 40.

Specifically, the spray ring is in an annular flat shell structure, and is provided with a spray cavity 41; the spray ring is mounted on the bottom surface of the outer tub cover 40 by a fastener. The water inlet of the spray ring communicates with the circulation line 72 of the spray assembly for introducing spray water into the spray chamber 41. Further, in order to connect the circulation pipeline 72 with the spray ring, a water inlet pipe 42 is provided at the water inlet of the spray ring, one end of the water inlet pipe 42 is connected to the water inlet of the spray chamber 41, and the other end of the water inlet pipe 42 protrudes out of the outer side of the outer tub cover 40 and is communicated with the circulation pipeline 72 of the spray assembly.

A plurality of water outlet holes are formed in the spray ring, are positioned on the bottom surface of the spray ring, and correspond to the nozzles 60 one by one in number. For example, four nozzles 60 or six nozzles 60 are disposed on the spray ring, the plurality of nozzles 60 are mounted on the spray ring at equal intervals, and the nozzles 60 rotate relative to the spray ring; illustratively, the spray nozzles 60 may be horizontally rotatably attached to the spray ring.

Each nozzle 60 has a spraying hole 631, and the spraying water sprayed from the spraying holes 631 can form an annular water curtain in the inner tub 30 to improve the spraying effect on the clothes; moreover, in the spraying process, the nozzle 60 can rotate relative to the spraying ring under the reverse action of the water jet flow so as to spray the inner barrel 30 in all directions, and the spraying effect can be further improved.

After the spray ring is installed to the outer tub cover 40, the spray ring is located above the balance ring 50, and a safety gap is maintained between the spray ring and the balance ring 50 to ensure that no interference occurs between the spray ring and the balance ring 50. The spray holes of the nozzles 60 are inclined obliquely downwards and can be opposite to the balance ring 50, and spray water sprayed by the nozzles 60 can wash the balance ring 50 so as to clean dirt on the surface of the balance ring 50 and improve user experience.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. A washing machine comprises an outer barrel, an inner barrel rotatably arranged in the outer barrel and an outer barrel cover arranged above the outer barrel, and is characterized by further comprising a plurality of self-rotating nozzles;

the outer barrel cover is provided with a spraying cavity, the spraying cavity comprises a water inlet hole and a water outlet hole, and the water outlet hole is communicated with the nozzle;

the plurality of nozzles are arranged at intervals along the circumferential direction of the outer barrel cover, are rotatably connected to the bottom surface of the outer barrel cover and are communicated with the spraying cavity; the nozzle is provided with at least one jet hole, and the spray water is jetted from the jet hole and drives the nozzle to rotate.

2. The washing machine as claimed in claim 1, wherein the nozzle includes a nozzle body and an insertion part;

the nozzle body is provided with an inner cavity and a spray hole communicated with the inner cavity, and the spray hole is positioned on the side wall of the nozzle body;

the insertion part is arranged on the nozzle body and protrudes out of the nozzle body, the insertion part is inserted into the water outlet hole, and the nozzle body rotates relative to the outer cylinder cover;

the inserting part is provided with a through hole, one end of the through hole is communicated with the inner cavity, and the other end of the through hole is communicated with the spraying cavity.

3. The washing machine as claimed in claim 2, wherein the insertion part is a connection pipe provided on the nozzle body;

the connecting pipe is kept away from the one end of nozzle body has the joint cap, the joint cap joint in the edge of apopore, just the connecting pipe with outer bucket lid rotates to be connected.

4. A washing machine as claimed in claim 3 wherein a rotary seal is provided between the connecting tube and the outlet aperture.

5. The washing machine as claimed in claim 2, wherein the insertion part is a connection pipe provided on the nozzle body;

one end of the connecting pipe, which is far away from the nozzle body, is inserted into the water outlet hole and fixed;

one end of the connecting pipe close to the nozzle body is rotatably connected with the nozzle body.

6. The washing machine as claimed in claim 2, wherein the nozzle body is a rectangular housing;

the nozzle body protrudes towards the outer side to form a plurality of spraying parts, and the plurality of spraying parts are arranged on the side wall of the nozzle body in a surrounding manner;

the injection part is provided with a slope, and the injection holes are arranged in the slope.

7. The washing machine as claimed in claim 6, wherein a plurality of the spraying parts are provided on the nozzle body in a center symmetrical manner.

8. A washing machine as claimed in any one of claims 1 to 7 wherein the outer tub cover includes an annular spray ring provided at a bottom surface thereof;

the spray cavity is arranged in the spray ring.

9. The washing machine as claimed in claim 8, further comprising a balancing ring provided on the inner tub;

the spray ring is positioned above the balance ring, a safety gap is kept, and the spray holes of the nozzles are opposite to the balance ring.

10. The washing machine as claimed in any one of claims 1 to 7, further comprising a circulation pipe and a circulation pump provided on the circulation pipe;

the circulating pipeline is arranged on the outer side of the outer barrel, one end of the circulating pipeline is communicated with the outer barrel, and the other end of the circulating pipeline is communicated with the water inlet hole.

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