阅读说明：本技术 洗衣机 (Washing machine ) 是由 张玉琳 严书林 李广庆 喻光安 于 2019-02-15 设计创作，主要内容包括：本发明提供了一种洗衣机,包括：外桶、内桶、波轮、离合器和水泵；外桶上开设有出水口；内桶底部开设有桶底孔；波轮安装于内桶的内侧底部；离合器安装于内桶的外侧底部,具有离合器内部水流通道；水泵的进水口与外桶的出水口连通,水泵的出水口通过离合器内部水流通道与桶底孔连通；洗衣机具有洗涤腔,洗涤腔的内侧底部、内侧侧部和内侧上部中的至少一处形成有喷水口,洗衣机上形成有连通桶底孔和喷水口的喷水通道,水泵驱动内桶和外桶之间的水流经离合器内部水流通道、桶底孔和喷水通道由喷水口喷向洗涤腔。本发明提供的洗衣机,利用水泵加压让水流以一定速度喷入洗涤腔,实现对桶内衣物进行冲水洗涤,减少衣物的机械式摩擦缠绕。(The present invention provides a washing machine, including: an outer barrel, an inner barrel, a wave wheel, a clutch and a water pump; a water outlet is formed in the outer barrel; the bottom of the inner barrel is provided with a barrel bottom hole; the impeller is arranged at the bottom of the inner side of the inner barrel; the clutch is arranged at the bottom of the outer side of the inner barrel and is provided with a water flow channel inside the clutch; the water inlet of the water pump is communicated with the water outlet of the outer barrel, and the water outlet of the water pump is communicated with the bottom hole of the barrel through a water flow channel inside the clutch; the washing machine is provided with a washing cavity, at least one of the inner bottom, the inner side part and the inner upper part of the washing cavity is provided with a water spraying opening, a water spraying channel for communicating a barrel bottom hole and the water spraying opening is formed on the washing machine, and water between the inner barrel and the outer barrel is driven by the water pump to be sprayed to the washing cavity through the water spraying opening through the water flow channel, the barrel bottom hole and the water spraying channel inside the clutch. The washing machine provided by the invention utilizes the water pump to pressurize so that water flow is sprayed into the washing cavity at a certain speed, thereby realizing the purpose of flushing and washing clothes in the barrel and reducing the mechanical friction and winding of the clothes.)

1. A washing machine, characterized by comprising:

the outer barrel (1), the outer barrel (1) is provided with an outer barrel water outlet (11);

the inner barrel (2) is arranged in the outer barrel (1), and a barrel bottom hole (22) is formed in the bottom of the inner barrel (2);

a pulsator (3) rotatably installed at the bottom of the inside of the inner tub (2);

a clutch (4) which is arranged at the bottom of the outer side of the inner barrel (2) and is provided with a clutch inner water flow channel (41);

the water pump (5) is provided with a water pump water inlet and a water pump water outlet, the water pump water inlet is communicated with the outer barrel water outlet, and the water pump water outlet is communicated with the barrel bottom hole (22) through the clutch internal water flow channel (41);

the washing machine is provided with a washing cavity, water spray ports (32, 62, 71) are formed at least one position of the inner bottom, the inner side part and the inner upper part of the washing cavity, water spray channels (31, 61, 7) which are communicated with the barrel bottom hole (22) and the water spray ports (32, 62, 71) are formed on the washing machine, and the water pump (5) drives water between the inner barrel (2) and the outer barrel (1) to pass through the clutch inner water flow channel (41), the barrel bottom hole (22) and the water spray channels (31, 61, 7) and be sprayed to the washing cavity through the water spray ports (32, 62, 71).

2. The washing machine as claimed in claim 1,

the impeller (3) is provided with an impeller internal water flow channel (31) communicated with the barrel bottom hole (22), the surface of the impeller (3) is provided with a plurality of water spraying holes (32) communicated with the impeller internal water flow channel (31), the water spraying holes (32) are positioned at the inner side bottom of the washing cavity, the water pump (5) drives water between the inner barrel (2) and the outer barrel (1) to pass through the clutch internal water flow channel (41), the barrel bottom hole (22) and the impeller internal water flow channel (31) and be sprayed to the washing cavity through the plurality of water spraying holes (32), the water spraying channel comprises the impeller internal water flow channel (31), and the water spraying holes comprise the plurality of water spraying holes (32).

3. A washing machine according to claim 2,

the impeller (3) comprises an impeller cover and an impeller rib arranged on the impeller cover, and the water spray holes (32) are distributed on the impeller cover and/or the impeller rib.

4. A washing machine according to any one of claims 1 to 3,

the washing machine is characterized in that a water return plate (6) is mounted on the inner side of the inner barrel (2), a sealed channel (61) is formed between the water return plate (6) and the inner barrel (2), the lower portion of the sealed channel (61) is communicated with the barrel bottom hole (22), a water return port (62) communicated with the sealed channel (61) is formed in the water return plate (6), the water return port (62) is located on the inner side of the washing cavity, the water pump (5) drives water between the inner barrel (2) and the outer barrel (1) to flow through the clutch inner water flow channel (41), the barrel bottom hole (22) and the sealed channel (61) and then to be sprayed to the washing cavity through the water return port (62), the water spray channel comprises the sealed channel (61), and the water spray port comprises the water return port (62).

5. A washing machine according to claim 4,

the number of the water return plates (6) is multiple, and the water return plates (6) are arranged at intervals along the circumferential direction of the inner barrel (2).

6. A washing machine according to any one of claims 1 to 3,

a water return plate (6) is mounted on the inner side of the inner barrel (2), a sealed channel (61) is formed between the water return plate (6) and the inner barrel (2), the lower part of the sealed channel (61) is communicated with the barrel bottom hole (22), an annular structure (7) communicated with the upper part of the sealed channel (61) is arranged on the upper part of the water return plate (6), a plurality of spray ports (71) arranged at intervals along the circumferential direction are formed in the annular structure (7), the spray ports (71) are positioned on the inner upper part of the washing cavity, the water pump (5) drives water between the inner barrel (2) and the outer barrel (1) to spray to the washing cavity from the spray ports (71) through the clutch inner water flow channel (41), the barrel bottom hole (22), the sealed channel (61) and the annular structure (7), and the water spray channel comprises the sealed channel (61) and the annular structure (7), the water jet comprises a plurality of the jetting ports (71).

7. A washing machine according to claim 6,

a balance ring (8) is mounted at the upper part of the inner barrel (2), the annular structure (7) is an annular piece arranged between the balance ring (8) and the water return plate (6), a water return plate outlet (63) is arranged at the upper part of the water return plate (6), the annular piece is provided with an inner cavity communicated with the water return plate outlet (63), and the annular piece is provided with a plurality of spray outlets (71) arranged at intervals along the circumferential direction; or

The upper part of the water return plate (6) is provided with an annular wall section extending along the circumferential direction of the inner barrel (2), the annular wall section and the side wall of the inner barrel (2) jointly form the annular structure (7), and the annular wall section is provided with a plurality of the spray outlets (71) arranged at intervals along the circumferential direction.

8. A washing machine according to claim 6,

the shape of the ejection port (71) is annular, circular or oval.

9. A washing machine according to any one of claims 1 to 3,

a water return plate (6) is mounted on the inner side of the inner barrel (2), a sealed channel (61) is formed between the water return plate (6) and the inner barrel (2), the lower part of the sealed channel (61) is communicated with the barrel bottom hole (22), a water return port (62) communicated with the sealed channel (61) is formed in the water return plate (6), the water return port (62) is located on the inner side of the washing cavity, an annular structure (7) communicated with the upper part of the sealed channel (61) is arranged on the upper part of the water return plate (6), a plurality of spray ports (71) arranged at intervals along the circumferential direction are formed in the annular structure (7), and the spray ports (71) are located on the inner upper part of the washing cavity;

the water pump (5) drives a part of water flow between the inner barrel (2) and the outer barrel (1) to be sprayed to the washing cavity from the water return port (62) through the clutch internal water flow channel (41), the barrel bottom hole (22) and the sealing channel (61), a part of water flow is sprayed to the washing cavity from the spray port (71) through the clutch internal water flow channel (41), the barrel bottom hole (22), the sealing channel (61) and the annular structure (7), the water spray channel comprises the sealing channel (61) and the annular structure (7), and the water spray port comprises the water return port (62) and a plurality of spray ports (71).

10. A washing machine according to any one of claims 1 to 3,

the bottom wall and/or the side wall of the inner barrel (2) are/is provided with a plurality of communicating holes (23), and the communicating holes (23) are used for enabling water flow in the inner barrel (2) and water flow between the inner barrel (2) and the outer barrel (1) to mutually circulate.

Technical Field

The invention relates to the technical field of household appliances, in particular to a washing machine.

Background

Entanglement is the biggest problem facing the washing machine industry at present, but has not been solved well all the time. Most washing machines mainly rely on the impeller to rotate and drive clothes to be overturned and rubbed to wash the clothes, so that the problems of clothes winding, strain, deformation and the like are easily caused.

Disclosure of Invention

The present invention is directed to solving at least one of the above problems.

Accordingly, an object of the present invention is to provide a washing machine.

In order to achieve the above object, an aspect of the present invention provides a washing machine including: the outer barrel is provided with an outer barrel water outlet; the inner barrel is arranged in the outer barrel, and the bottom of the inner barrel is provided with a barrel bottom hole; a pulsator rotatably installed at the bottom of the inside of the inner tub; the clutch is arranged at the bottom of the outer side of the inner barrel and is provided with a clutch inner water flow channel; the water pump is provided with a water pump water inlet and a water pump water outlet, the water pump water inlet is communicated with the outer barrel water outlet, and the water pump water outlet is communicated with the barrel bottom hole through the water flow channel inside the clutch; the washing machine is provided with a washing cavity, a water spraying opening is formed in at least one of the inner bottom, the inner side and the inner upper part of the washing cavity, a water spraying channel communicated with the bottom hole of the inner barrel and the water spraying opening is formed in the washing machine, and the water pump drives water between the inner barrel and the outer barrel to flow through the water flow channel in the clutch, the bottom hole of the inner barrel and the water spraying channel and spray to the washing cavity through the water spraying opening.

According to the washing machine provided by the technical scheme, the water spray opening and the water spray channel are arranged, the water pump is used for pressurizing, so that water flow between the outer barrel and the inner barrel is sprayed into the washing cavity from at least one of the bottom, the side part and the upper part of the washing cavity at a certain speed, the washing of clothes in the barrel is realized, the winding phenomenon of the clothes caused by repeated reversion is reduced, the serious winding and abrasion caused by the traditional mechanical washing are reduced, the rolling effect of water and the clothes in the barrel is intensified, and the washing effect is improved; the impeller can rotate in a small amplitude while water flow washes and washes, and the clothes are stirred to be sufficiently washed, so that serious winding and abrasion caused by traditional mechanical washing are reduced, and the washing uniformity is improved; for the scheme that water flow is sprayed into the washing cavity from two or three positions of the bottom, the side part and the upper part of the washing cavity, water flow scouring can be formed in all directions to wash clothes in the barrel, so that the winding of the clothes is further reduced, and even the zero-winding washing effect is realized; through setting up the inside rivers passageway of clutch, the water pump of being convenient for is with rivers between outer bucket and the interior bucket through the inside rivers passageway pump sending of clutch to the barrel bottom hole department of interior bucket, and guarantees the synchronous revolution of interior bucket and impeller or function realization of relative rotation, and this kind of structure of seting up the inside rivers passageway of clutch on the clutch for whole rivers route arrange more simplely, thereby make whole washing machine's structure more simplify.

In addition, the washing machine provided in the above technical solution of the present invention may further have the following additional technical features:

in the above technical solution, preferably, the pulsator has an inner pulsator water flow passage communicated with the tub bottom hole, the surface of the pulsator has a plurality of water spray holes communicated with the inner pulsator water flow passage, the water spray holes are located at the inner bottom of the washing chamber, the water pump drives water between the inner tub and the outer tub to pass through the inner clutch water flow passage, the tub bottom hole and the inner pulsator water flow passage and spray the water to the washing chamber through the plurality of water spray holes, the water spray passage includes the inner pulsator water flow passage, and the water spray holes include the plurality of water spray holes.

The delivery port of the outer bucket of above-mentioned scheme provides the water source for the water pump, rivers between outer bucket and the interior bucket are behind the water pump pressurization, high-pressure rivers are through the inside rivers passageway of clutch, the inner chamber of bucket bottom hole and the inside rivers passageway arrival impeller of impeller, then spout through a plurality of hole for water spraying on impeller surface and form bottom boiling rivers, form the impact to bucket water and clothing from the bottom, alleviate the winding phenomenon that the clothing caused because of reversing repeatedly, and make the roll effect aggravation of bucket water and clothing, be favorable to promoting the washing effect.

In the above technical solution, preferably, the pulsator includes a pulsator cover and a pulsator rib provided on the pulsator cover, and the water spraying holes are distributed on the pulsator cover and/or the pulsator rib. Specifically, the number of the water spraying holes and the distribution of the water spraying holes on the surface of the impeller can be reasonably designed according to actual conditions.

In any of the above technical solutions, preferably, a water return plate is installed on an inner side portion of the inner tub, a sealed channel is formed between the water return plate and the inner tub, a lower portion of the sealed channel is communicated with the tub bottom hole, a water return port communicated with the sealed channel is formed in the water return plate, the water return port is located on an inner side portion of the washing chamber, the water pump drives water between the inner tub and the outer tub to pass through the clutch inner water flow channel, the tub bottom hole and the sealed channel and be sprayed from the water return port to the washing chamber, the water spray channel includes the sealed channel, and the water spray port includes the water return port.

The delivery port of the outer bucket of above-mentioned scheme provides the water source for the water pump, rivers between outer bucket and the interior bucket are behind the water pump pressurization, and high-pressure rivers are through inside rivers passageway of clutch, barrel bottom hole and sealed passageway, then form side impact rivers through the return water mouth blowout on the return water board, form the impact effect to clothing edgewise in the bucket, alleviate the winding phenomenon that the clothing caused because of reversing repeatedly to make the tumbling action aggravation of clothing in the bucket, be favorable to promoting the washing effect.

In the above technical solution, preferably, the number of the water return plates is plural, and the plural water return plates are arranged at intervals along the circumferential direction of the inner barrel. Specifically, the number of the water return plates may be 1, 2, 3, 4 or more, and the number of the water return plates may be reasonably designed according to actual situations.

In any of the above technical solutions, preferably, a water return plate is installed on an inner side portion of the inner tub, a sealed channel is formed between the water return plate and the inner tub, a lower portion of the sealed channel is communicated with the tub bottom hole, an annular structure communicated with an upper portion of the sealed channel is disposed on an upper portion of the water return plate, a plurality of spray ports are circumferentially disposed on the annular structure at intervals, the spray ports are located on an inner upper portion of the washing chamber, the water pump drives water between the inner tub and the outer tub to pass through the clutch internal water flow channel, the tub bottom hole, the sealed channel and the annular structure, and the spray ports include the plurality of spray ports.

The delivery port of the outer bucket of above-mentioned scheme provides the water source for the water pump, rivers between outer bucket and the interior bucket are behind the water pump pressurization, and high-pressure rivers pass through inside rivers passageway of clutch, barrel bottom hole and sealed passageway, then spout through the spout of the loop configuration on return water board upper portion and form annular cover rivers, wash the clothing in the bucket from the top down, alleviate the clothing because of reversing the winding phenomenon that causes repeatedly to make the roll effect aggravation of clothing in the bucket, be favorable to promoting the washing effect.

In the above technical solution, preferably, a balance ring is installed on an upper portion of the inner barrel, the annular structure is an annular member disposed between the balance ring and the water return plate, a water return plate outlet is disposed on an upper portion of the water return plate, the annular member has an inner cavity communicated with the water return plate outlet, and the annular member is provided with a plurality of the ejection ports arranged at intervals along a circumferential direction; or the upper part of the water return plate is provided with an annular wall section extending along the circumferential direction of the inner barrel, the annular wall section and the side wall of the inner barrel jointly form the annular structure, and the annular wall section is provided with a plurality of the spray outlets arranged at intervals along the circumferential direction.

The annular structure can be an independent part, and the annular structure and the extension structure which can be the water return plate can form the aim of annular covering water flow at the upper part of the washing cavity through the design of the annular structure.

In the above technical solution, preferably, the shape of the ejection port is a ring shape, a circle shape, or an oval shape.

The scheme enables the water flow sprayed out of the spray opening to be annular water flow, circular columnar water flow or elliptic columnar water flow; of course, the shape of the ejection port is not limited to the above specific definition, and may be designed according to actual circumstances.

In any of the above technical solutions, preferably, a water return plate is installed on an inner side portion of the inner tub, a sealed channel is formed between the water return plate and the inner tub, a lower portion of the sealed channel is communicated with the tub bottom hole, a water return port communicated with the sealed channel is formed in the water return plate, the water return port is located on the inner side portion of the washing chamber, an annular structure communicated with an upper portion of the sealed channel is formed in an upper portion of the water return plate, a plurality of spray ports are formed in the annular structure at intervals in the circumferential direction, and the spray ports are located on an inner upper portion of the washing chamber; the water pump drives a part of water flow between the inner barrel and the outer barrel to be sprayed to the washing cavity from the water return port through the clutch internal water flow channel, the barrel bottom hole and the sealing channel, a part of water flow passes through the clutch internal water flow channel, the barrel bottom hole, the sealing channel and the annular structure to be sprayed to the washing cavity from the spray ports, the water spraying channel comprises the sealing channel and the annular structure, and the water spraying port comprises the water return port and a plurality of spray ports.

According to the scheme, a water outlet of the outer barrel provides a water source for the water pump, after water flow between the outer barrel and the inner barrel is pressurized by the water pump, high-pressure water flow passes through the water flow channel, the barrel bottom hole and the sealing channel in the clutch, and a part of the high-pressure water flow is sprayed out through the water return port in the water return plate to form side impact water flow to wash clothes in the barrel from the side; one part of the water is sprayed out through a spray port of an annular structure at the upper part of the water return plate to form annular covering water flow, and the clothes in the bucket are washed by water from top to bottom; and then realize that form rivers from side and two directions above that and erode and wash the clothing in the bucket to alleviate the clothing better and because of the winding phenomenon that reverses repeatedly and cause, and make the tumbling action of clothing more violent in the bucket, thereby promote the washing effect better.

In any of the above technical solutions, preferably, the bottom wall and/or the side wall of the inner tub is provided with a plurality of communication holes, and the communication holes are used for allowing water flow in the inner tub and water flow between the inner tub and the outer tub to circulate, so that water flow is continuously circulated from inside to outside for washing.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a partial structural view of a washing machine according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a partial schematic structural view of the structure shown in FIG. 2;

fig. 4 is a partial schematic diagram of the structure shown in fig. 2.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1 outer barrel, 11 outer barrel water outlets, 2 inner barrel, 21 barrel bottom, 22 barrel bottom holes, 23 communicating holes, 3 impeller, 31 impeller internal water flow channel, 32 water spray holes, 4 clutch, 41 clutch internal water flow channel, 5 water pump, 6 water return plate, 61 sealing channel, 62 water return port, 63 water return plate outlet, 7 annular structure, 71 spray port, 8 balance ring and 9 pipeline.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A washing machine according to some embodiments of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, a washing machine according to some embodiments of the present invention includes: an outer barrel 1, an inner barrel 2, a wave wheel 3, a clutch 4 and a water pump 5.

Specifically, as shown in fig. 1 and 2, the outer tub 1 is provided with an outer tub water outlet 11; the inner barrel 2 is arranged in the outer barrel 1, and the bottom of the inner barrel 2 is provided with a barrel bottom hole 22; the impeller 3 is rotatably installed at the bottom of the inner side of the inner tub 2; as shown in fig. 2 and 3, the clutch 4 is installed at the outer bottom of the inner tub 2, and has a clutch inner water flow passage 41; the water pump 5 is provided with a water pump water inlet and a water pump water outlet, the water pump water inlet is communicated with the outer barrel water outlet 11, and the water pump water outlet is communicated with the barrel bottom hole 22 through a clutch inner water flow channel 41; as shown in fig. 2 and 4, the washing machine has a washing chamber, a water spray port is formed at least one of the inner bottom, the inner side and the inner upper portion of the washing chamber (the water spray hole 32, the water return port 62 and the spray port 71 are collectively referred to as a water spray port), a water spray passage (the pulsator inner water passage 31, the seal passage 61 and the ring structure 7 are collectively referred to as a water spray passage) communicating the tub bottom hole 22 and the water spray port is formed in the washing machine, and the water pump 5 drives the water between the inner tub 2 and the outer tub 1 to be sprayed to the washing chamber through the water spray port via the clutch inner water passage 41, the tub bottom hole 22 and the water.

According to the washing machine provided by the embodiment of the invention, the water spray opening and the water spray channel are arranged, the water pump 5 is used for pressurizing to ensure that water flow between the outer barrel 1 and the inner barrel 2 is sprayed into the washing cavity from at least one of the bottom, the side part and the upper part of the washing cavity at a certain speed, so that clothes in the washing cavity are washed by water, the winding phenomenon of the clothes caused by repeated reversion is reduced, the serious winding and abrasion caused by the traditional mechanical washing are reduced, the rolling action of water and the clothes in the washing cavity is intensified, and the washing effect is improved; the impeller 3 can rotate in a small amplitude while washing by water flow, and clothes are stirred to be fully washed, so that serious winding and abrasion caused by traditional mechanical washing are reduced, and the washing uniformity is improved; for the scheme that water flow is sprayed into the washing cavity from two or three positions of the bottom, the side part and the upper part of the washing cavity, water flow scouring can be formed in all directions to wash clothes in the barrel, so that the winding of the clothes is further reduced, and even the zero-winding washing effect is realized; through setting up clutch inner water flow channel 41, the water pump 5 of being convenient for is with the rivers between outer bucket 1 and the interior bucket 2 through the inside water flow channel 41 pump of clutch to the barrel bottom hole 22 department of bucket 2, and guarantees the synchronous revolution of interior bucket 2 and impeller 3 or function realization of relative rotation, this kind of structure of seting up clutch inner water flow channel 41 on clutch 4 for whole water flow path's arrangement is more simplified, thereby makes whole washing machine's structure more simplified.

Furthermore, the bottom wall and/or the side wall of the inner barrel 2 is provided with a plurality of communication holes 23, and the communication holes 23 are used for enabling the water flow in the inner barrel 2 and the water flow between the inner barrel 2 and the outer barrel 1 to mutually circulate, so that the water flow is continuously and circularly washed from inside to outside. In one embodiment, as shown in fig. 2 and 3, the bottom wall of the inner tub 2 is provided with a communication hole 23.

In some embodiments of the present invention, as shown in fig. 2 and 4, the pulsator 3 has a pulsator internal water flow passage 31 communicating with the tub bottom hole 22, the surface of the pulsator 3 has a plurality of water spray holes 32 communicating with the pulsator internal water flow passage 31, the water spray holes 32 are located at the inner bottom of the washing chamber, the water pump 5 drives water between the inner tub 2 and the outer tub 1 to be sprayed from the plurality of water spray holes 32 to the washing chamber through the clutch internal water flow passage 41, the tub bottom hole 22 and the pulsator internal water flow passage 31, the water spray passages include the pulsator internal water flow passage 31, and the water spray holes include the plurality of water spray holes 32.

In the above embodiment, the water outlet of the outer tub 1 provides water source for the water pump 5, after the water flow between the outer tub 1 and the inner tub 2 is pressurized by the water pump 5, the high-pressure water flow reaches the inner cavity of the pulsator 3 through the water flow channel 41 inside the clutch, the tub bottom hole 22 and the water flow channel 31 inside the pulsator, then the water is sprayed out through the plurality of water spray holes 32 on the surface of the pulsator 3 to form bottom boiling water flow, so as to impact the water and clothes in the tub from the bottom, reduce the winding phenomenon of the clothes caused by repeated reversion, and aggravate the rolling effect of the water and clothes in the tub, thereby being beneficial to improving the washing effect.

In one embodiment, as shown in fig. 2 and 4, the pulsator 3 includes a pulsator cover and a pulsator rib protruding upward from the pulsator cover, but the pulsator rib may be disposed on the pulsator cover and vertically higher than the pulsator cover, and the water spraying holes 32 are distributed on the pulsator cover and/or the pulsator rib. Specifically, the number of the water spraying holes 32 and the distribution of the water spraying holes 32 on the surface of the pulsator 3 may be reasonably designed according to actual conditions.

In some embodiments of the present invention, as shown in fig. 2 and 4, a water return plate 6 is installed at an inner side portion of the inner tub 2, a sealing channel 61 is formed between the water return plate 6 and the inner tub 2, a lower portion of the sealing channel 61 is communicated with the tub bottom hole 22, a water return port 62 communicated with the sealing channel 61 is opened on the water return plate 6, the water return port 62 is located at the inner side portion of the washing chamber, the water pump 5 drives water between the inner tub 2 and the outer tub 1 to be sprayed to the washing chamber from the water return port 62 through the clutch inner water flow channel 41, the tub bottom hole 22 and the sealing channel 61, the water spray channel includes the sealing channel 61, and the water spray port includes the water return port.

In the above embodiment, the water outlet of the outer tub 1 provides a water source for the water pump 5, after the water flow between the outer tub 1 and the inner tub 2 is pressurized by the water pump 5, the high-pressure water flow passes through the water flow channel 41 inside the clutch, the tub bottom hole 22 and the sealing channel 61, and then is sprayed out through the water return port 62 on the water return plate 6 to form the side impact water flow, so as to form the impact action on the clothes in the tub from the side, thereby reducing the winding phenomenon of the clothes caused by repeated reversion, and intensifying the rolling action of the clothes in the tub, which is beneficial to improving the washing effect.

In one embodiment, the number of the water return plates 6 is plural, and the plural water return plates 6 are arranged at intervals along the circumferential direction of the inner tub 2. Specifically, the number of the water return plates 6 may be 1, 2, 3, 4 or more, and the number of the water return plates 6 may be reasonably designed according to actual conditions.

In some embodiments of the present invention, as shown in fig. 2 and 4, a water return plate 6 is installed on an inner side portion of the inner tub 2, a sealing channel 61 is formed between the water return plate 6 and the inner tub 2, a lower portion of the sealing channel 61 is communicated with the tub bottom hole 22, an annular structure 7 communicated with an upper portion of the sealing channel 61 is disposed on an upper portion of the water return plate 6, a plurality of nozzles 71 are disposed on the annular structure 7 at intervals along a circumferential direction, the nozzles 71 are disposed on an inner upper portion of the washing chamber, the water pump 5 drives water between the inner tub 2 and the outer tub 1 to flow through the clutch inner water flow channel 41, the tub bottom hole 22, the sealing channel 61 and the annular structure 7 and to be sprayed to the washing chamber from the nozzles 71, the water spray channel includes the sealing channel 61 and the annular structure 7.

In the above embodiment, the water outlet of the outer tub 1 provides water source for the water pump 5, after the water flow between the outer tub 1 and the inner tub 2 is pressurized by the water pump 5, the high pressure water flow passes through the water flow channel 41 inside the clutch, the tub bottom hole 22 and the sealing channel 61, and then is sprayed out through the spraying port 71 of the annular structure 7 on the upper part of the water return plate 6 to form the annular covering water flow, so that the clothes in the tub are washed from top to bottom, the winding phenomenon of the clothes caused by repeated reversion is reduced, the tumbling effect of the clothes in the tub is intensified, and the washing effect is favorably improved.

In one embodiment, as shown in fig. 2 and 4, the balance ring 8 is mounted on the upper portion of the inner tub 2, the annular structure 7 is a ring-shaped member disposed between the balance ring 8 and the water return plate 6, that is, the annular structure 7 is an independent component, the water return plate 6 is provided at the upper portion thereof with a water return plate outlet 63, the ring-shaped member has an inner cavity communicated with the water return plate outlet 63, and the ring-shaped member is provided with a plurality of nozzles 71 circumferentially spaced apart from each other. Further, the shape of the spout 71 may be annular, circular, or elliptical, so that the water flow jetted from the spout 71 may be annular water flow, circular columnar water flow, or elliptical columnar water flow; of course, the shape of the ejection port 71 is not limited to the above specific definition, and may be designed according to actual circumstances.

In another embodiment, the upper portion of the water return plate 6 is formed with an annular wall section extending along the circumferential direction of the inner barrel 2, the annular wall section and the side wall of the inner barrel 2 together form an annular structure 7, that is, the annular structure 7 is an extending structure of the water return plate 6, and the annular wall section is provided with a plurality of nozzles 71 arranged at intervals along the circumferential direction. Further, the shape of the spout 71 may be annular, circular, or elliptical, so that the water flow jetted from the spout 71 may be annular water flow, circular columnar water flow, or elliptical columnar water flow; of course, the shape of the ejection port 71 is not limited to the above specific definition, and may be designed according to actual circumstances.

In some embodiments of the present invention, as shown in fig. 2 and 4, a water return plate 6 is installed on an inner side portion of the inner tub 2, a sealed channel 61 is formed between the water return plate 6 and the inner tub 2, a lower portion of the sealed channel 61 is communicated with the tub bottom hole 22, a water return port 62 communicated with the sealed channel 61 is opened on the water return plate 6, the water return port 62 is located on the inner side portion of the washing chamber, an annular structure 7 communicated with an upper portion of the sealed channel 61 is provided on an upper portion of the water return plate 6, a plurality of ejection ports 71 arranged at intervals in a circumferential direction are opened on the annular structure 7, and the ejection ports 71 are located on the inner upper portion of; the water pump 5 drives a part of water flow between the inner barrel 2 and the outer barrel 1 to be sprayed to the washing cavity from the water return port 62 through the clutch internal water flow channel 41, the barrel bottom hole 22 and the sealing channel 61, and a part of water flow is sprayed to the washing cavity from the spray port 71 through the clutch internal water flow channel 41, the barrel bottom hole 22, the sealing channel 61 and the annular structure 7, the water spray channel comprises the sealing channel 61 and the annular structure 7, and the water spray port comprises the water return port 62 and a plurality of spray ports 71.

In the above embodiment, the water outlet of the outer tub 1 provides water for the water pump 5, after the water flow between the outer tub 1 and the inner tub 2 is pressurized by the water pump 5, the high-pressure water flow passes through the clutch internal water flow channel 41, the tub bottom hole 22 and the sealing channel 61, and a part of the high-pressure water flow is ejected through the water return port 62 on the water return plate 6 to form side impact water flow, so as to wash the clothes in the tub from the side; part of the water is sprayed out through a spraying port 71 of the annular structure 7 at the upper part of the water return plate 6 to form annular covering water flow, and the clothes in the bucket are washed by water from top to bottom; and then realize that form rivers from side and two directions above that and erode and wash the clothing in the bucket to alleviate the clothing better and because of the winding phenomenon that reverses repeatedly and cause, and make the tumbling action of clothing more violent in the bucket, thereby promote the washing effect better.

In one embodiment, as shown in fig. 1 and 2, the washing machine includes: the water pump 5 has a water drainage function and can provide power for water circulation; as shown in fig. 2 and 3, the clutch 4, which has a clutch inner water flow passage 41, can make the circulating water flow to the pulsator inner water flow passage 31 and the sealing passage 61 through the clutch inner water flow passage 41 and the tub bottom hole 22; as shown in fig. 1 and 2, an outer tub (i.e., a water tub) 1 for accommodating an inner tub (i.e., a washing tub) 2 and a water flow between the inner tub 2 and the outer tub 1 to provide a water source for a circulating water flow; as shown in fig. 2, 3 and 4, the inner tub 2, used for washing laundry, includes a tub bottom 21 having a tub bottom hole 22 and a communication hole 23, wherein one end of the tub bottom hole 22 is communicated with the clutch inner water flow channel 41, and the other end is communicated with the pulsator inner water flow channel 31 and the sealing channel 61, and the communication hole 23 allows water flow between the inner tub 2 and the outer tub 1 to communicate with each other; as shown in fig. 2 and 4, the pulsator 3, which is mounted on the upper portion of the tub bottom 21, has an pulsator internal water flow passage 31 and a number of water spray holes 32, the water spray holes 32 may be distributed on the pulsator cover or the pulsator ribs, the pulsator internal water flow passage 31 communicates with the tub bottom holes 22, and the pulsator may rotate in forward and reverse directions and spray water through the water spray holes 32; as shown in fig. 2 and 4, the backwater plate 6 forms a sealed channel 61 together with the inner tub 2, the sealed channel 61 is communicated with the tub bottom hole 22, the backwater plate 6 is provided with a plurality of backwater ports 62, and the upper end of the backwater plate 6 is provided with a backwater plate outlet 63; as shown in fig. 2 and 4, the annular structure 7 is provided with an inner cavity and is arranged between the balance ring 8 and the water return plate 6, the inner cavity of the annular structure 7 is communicated with the water return plate outlet 63, the annular structure 7 can also be an extension structure of the water return plate 6, and the annular structure 7 is provided with a spray outlet 71; as shown in fig. 2, the water pump inlet of the water pump 5 may be communicated with the outer tub outlet 11 of the outer tub 1 through the pipeline 9, or may be communicated with an external water source, as shown in fig. 2 and 3, the water pump outlet of the water pump 5 is communicated with one end of the clutch internal water flow channel 41, the other end of the clutch internal water flow channel 41 is correspondingly communicated and sealed with the tub bottom hole 22, so as to prevent water flow from directly entering the outer tub 1, and the tub bottom hole 22 is correspondingly communicated with the pulsator internal water flow channel 31 and the sealing channel 61.

During specific washing, the water outlet 11 of the outer barrel provides water for the water pump 5, or external fresh water provides water for the water pump 5, after being pressurized by the water pump 5, high-pressure water flows reach the inner cavity of the impeller through the channel clutch internal water flow channel 41, the barrel bottom hole 22 and the impeller internal water flow channel 31, and then is sprayed out through the water spraying port 32 to form bottom boiling water flow, so that impact effect is formed on the water in the barrel and clothes from the bottom; meanwhile, the water which is shunted to the sealing channel 61 from the bucket bottom hole 22 is sprayed out from the water return port 62 to form side impact water flow, so that the side impact is formed on the underwear in the bucket; the water flowing through the sealing channel 61 is sprayed out from the spray opening 71 of the annular structure 7 under the balance ring 8 to form annular covering water flow, and the clothes in the bucket are washed from top to bottom; meanwhile, the water in the inner barrel 2 is communicated with the outer barrel 1 through the communication hole 23, so that the water flow is continuously circulated and washed from inside to outside. The water flow scouring is formed in all directions from the bottom, the side and the upper surface of the washing cavity to wash clothes in the barrel, the impeller 3 can rotate in a small range while the water flow scouring washing is carried out, and the clothes are stirred to be fully washed, so that the serious winding and abrasion caused by the traditional mechanical washing are reduced; specifically, the rotation amplitude of the pulsator 3 may be designed to be smaller than or equal to the rotation amplitude of the pulsator of the conventional washing machine, that is, the rotation amplitude of the pulsator of the present embodiment may be reasonably adjusted according to the rotation amplitude of the pulsator of the conventional washing machine. In conclusion, this embodiment realizes the clothing zero winding through brand-new rivers washing mode, and greatly reduced wearing and tearing promote the washing degree of consistency.

It should be noted that the number of the water return plates 6 can be 1-4, the specific number, shape and distribution of the holes distributed on the water return plates 6 and the impeller 3 can be designed according to the situation, and the spray ports 71 below the balance ring 8 can be annular, circular column or elliptical column water flow; the three-dimensional water flows of the bottom boiling water flow, the side scouring water flow and the upper covering water flow can exist independently or can be combined in pairs, or the three flows can appear simultaneously, and the corresponding structures are correspondingly designed according to the distribution, so long as the design concept of the invention is not departed, the invention is within the protection scope of the invention.

Specifically, the washing machine may be a pulsator washing machine or a drum washing machine.

In summary, the washing machine provided by the invention has the advantages that the corresponding channels are arranged on the inner barrel, the impeller, the water return plate and the barrel bottom, water in the barrel is sprayed into the barrel at a certain speed from the holes arranged on the parts through the pressurization of the water pump or the power of the washing machine motor, multi-circulation water flow is formed to flush and wash clothes in the barrel, and the mechanical friction winding of the clothes is reduced.