CN114164622A - Water inlet device and washing machine - Google Patents

Abstract

The invention discloses a water inlet device, which comprises two water supply water paths, wherein the water outlet ends of the two water supply water paths are arranged in a staggered mode at a certain inclination angle, the length of the second water supply water path is greater than that of the first water supply water path, water flows of the two water supply water paths simultaneously flow out through the water outlet ends to form opposite flushing water flows, and a water retaining structure for narrowing the cross section area of any position of the water paths to reduce water outlet flow is arranged in the first water supply water path. According to the invention, the water retaining structure is arranged in the relatively short first water supply waterway to control the flow velocity of the water flow of the first water supply waterway, so that the water flows of the first water supply waterway and the second water supply waterway simultaneously flow out through the corresponding water outlet ends and the flow velocities are equivalent to form the opposite flushing water flow, and the opposite flushing water flow flows into the softener cavity, so that the number of parts of the water inlet device is greatly reduced, and the refinement degree of the water inlet device is improved. Meanwhile, the invention also discloses a washing machine provided with the water inlet device.

Description

Water inlet device and washing machine

Technical Field

The invention relates to a washing machine in the field of household appliances, in particular to a water inlet device which is applied to the washing machine and integrated with an additive feeding function.

Background

The existing integrated water path of the washing machine generally adopts two mutually independent water supply water paths, water is supplied to different throwing chambers through the two mutually independent water supply water paths so as to wash the walls of the throwing chambers, and any one or combination of the existing additives for treating clothes, such as detergent, softener, fragrance adding agent, bleaching agent, disinfectant and the like attached to the walls of the throwing chambers is flushed into a water containing barrel, so that the automatic throwing of the additives is realized, and the washing effect is ensured.

The water outlet ends of a first water supply waterway and a second water supply waterway of the low-cost additive automatic feeding device can be communicated with the three water outlet branches through reversing structures, wherein when the first water supply waterway supplies water independently, water flow of the first water supply waterway is sprayed out from the water outlet end to flow into the first water outlet branch and then is communicated with the spraying device through the water outlet end of the first water outlet branch; when the second water supply waterway supplies water independently, the water flow of the second water supply waterway is sprayed out from the water outlet end to flow into the second water outlet branch and then is communicated with the main detergent putting chamber through the water outlet end of the second water outlet branch; and when first water supply water route and second water supply water route supplied water simultaneously, the rivers in first water supply water route and second water supply water route flowed out through the play water end simultaneously and form the offset water flow and get into the softener cavity, but the length in first water supply water route is less than the length in second water supply water route, the time of water outlet and the velocity of water flow rate that two water supply water routes go out the water end are inconsistent probably appear, lead to the end of intaking of offset water flow deviation to first water branch road or second water branch road, thereby the softener cavity is intake not enough in the stipulated time, can't realize siphon action in the rinsing stage of clothing, reduction user experience that can be great.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a water inlet device to achieve the purposes that the water flow of a first water supply waterway and the water flow of a second water supply waterway flow out through corresponding water outlet ends simultaneously and the flow rates are equivalent to form opposite flushing water flow; another object of the present invention is to provide a washing machine to achieve the purpose of providing various forms of inflow water to a water containing tub.

In order to solve the technical problems, the invention adopts the technical scheme that:

the water inlet device comprises two water supply water paths, wherein the water outlet ends of the two water supply water paths are staggered at a certain inclination angle, the length of the second water supply water path is greater than that of the first water supply water path, water flows of the two water supply water paths simultaneously flow out through the water outlet ends to form opposite flushing water flows, and a water retaining structure for narrowing the cross section area of any position of the water paths to reduce water outlet flow is arranged in the first water supply water path.

Furthermore, a water retaining rib extending from the inner wall of one side of the water channel to the opposite side is arranged in the first water supply water channel, and a gap for water flow to pass through is formed between the extending end of the water retaining rib and the inner wall of the water channel; preferably, the extending end of the water blocking rib is inclined or bent toward the upstream direction of the first water supply waterway.

Furthermore, a plurality of water retaining ribs which are arranged at intervals are arranged on the inner wall of at least one side of the first water supply waterway; preferably, the gap between the extending end of the water blocking rib and the inner wall of the waterway is gradually reduced along the water flow direction.

Furthermore, a plurality of water retaining ribs are arranged on the inner walls of the two sides of the first water supply waterway respectively, and the water retaining ribs on the inner walls of the two sides are arranged in a relatively staggered mode.

Furthermore, the extension length of the water retaining rib is larger than the gap between the extension end of the water retaining rib and the inner wall of the water channel.

Further, first water supply water route includes first vertical section, crooked changeover portion and the vertical section of second in proper order along the rivers direction, and the crooked changeover portion extends to the rivers direction along the circular arc, and the water route width of crooked changeover portion is greater than the water route width of first vertical section and the vertical section of second, and the manger plate structure sets up in crooked changeover portion department.

Furthermore, the two opposite sides of the bending transition section are respectively a first bending part at one side of the inner periphery and a second bending part at one side of the outer periphery, and the first bending part and the second bending part are respectively provided with a plurality of water retaining ribs which are arranged at intervals; preferably, the water retaining ribs on the first bending part and the second bending part are arranged in a relatively staggered mode.

Further, the extension length of the water blocking rib on the first bending part is larger than that of the water blocking rib on the second bending part.

Further, the distance between the adjacent water retaining ribs on the first bending part is smaller than the distance between the adjacent water retaining ribs on the second bending part.

The invention discloses a washing machine, which is provided with any one of the water inlet devices.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

According to the invention, the water retaining structure arranged in the first water supply waterway enables the water flows of the first water supply waterway and the second water supply waterway of the water inlet device to simultaneously flow out from the corresponding water outlet ends and the flow rates are equivalent to form the opposite flushing water flow, and the opposite flushing water flow further flows into the softener cavity, so that sufficient water inlet of the softener cavity is ensured, and the rinsing stage of siphoning acting on clothes is realized.

According to the invention, the length of the first water supply waterway is smaller than that of the second waterway, the water retaining ribs extending towards the inner wall of the opposite side are arranged on the inner wall of one side of the first water supply waterway, so that the flow of water flow in the first water supply waterway can be reduced, the water flow rates of the water outlet ends of the first water supply waterway and the second water supply waterway are equivalent by controlling the positions and the number of the water retaining ribs, and the fine control of the washing process is promoted.

According to the automatic feeding device, the first water supply waterway and the second water supply waterway supply water independently respectively, and the first water supply waterway and the second water supply waterway supply water simultaneously can be communicated with at least three water outlet branches respectively, so that the water flow form of the water feeding device is enriched, and the effect that the automatic feeding device provides corresponding water feeding at different stages of washing is realized.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural diagram of a water inlet device in an embodiment of the invention;

FIG. 2 is a schematic diagram of a horizontal cross-sectional structure of a water inlet device in an embodiment of the present invention;

FIG. 3 is a schematic view of another angle of the horizontal cross section of the water inlet device in the embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: 100. a box body; 200. an upper cover; 300. a liquid storage box; 400. a water inlet pipe; 1. a first water supply waterway; 2. a second water supply waterway; 3. water retaining ribs; 4. a first water outlet branch; 5. a second water outlet branch; 6. a third water outlet branch; 11. a first vertical section; 12. bending the transition section; 13. a second vertical section; 121. a first curved portion; 122. a second curved portion.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment of the invention introduces a water inlet device, which is applied to the existing washing machine, the water inlet device is communicated with a water inlet pipe 400 of the washing machine and is positioned right above a throwing chamber, and after an additive is added into the throwing chamber, the additive thrown into the chamber is flushed into a water containing barrel of the washing machine through the water of the water inlet device; in this embodiment, the additive may be any one or a combination of existing laundry treatment additives such as detergent, softener, perfume, bleaching agent, and disinfectant.

As shown in fig. 1, in this embodiment, the water inlet device includes a box body 100, an upper cover 200 is disposed on the top of the box body 100, at least one water supply channel is formed in the hollow portion of the upper cover 200, a cavity is formed in the hollow portion of the box body 100, a liquid storage box 300 capable of being pulled and moved outwards is installed in the cavity, at least one throwing cavity is disposed in the liquid storage box 300 and used for containing corresponding additives, a water outlet of the water supply channel is correspondingly communicated with a water outlet of the water inlet device through any one throwing cavity or directly, so that water flowing into a water inlet of the water inlet device flows out of the water inlet device after flowing into the throwing cavity or directly flows out of the water inlet device after flowing into the water inlet device through the water channel.

As shown in fig. 2 to 4, in this embodiment, the water supply channel includes two water supply paths with water outlet ends arranged in a staggered manner at a certain inclination angle, the first water supply path 1 and the second water supply path 2 are arranged in parallel, the length of the second water supply path 2 is greater than that of the first water supply path 1, water flows of the two water supply paths simultaneously flow out through the water outlet ends to form a counter flow, and a water blocking structure for narrowing a cross-sectional area of any position of the water path to reduce water flow is disposed in the first water supply path 1. Through set up water retaining structure in first water supply water route 1 to when making first water supply water route 1 and second water supply water route 2 supply water simultaneously, the rivers of first water supply water route 1 and the rivers of second water supply water route 2 flow out and the velocity of flow is equivalent to form the offset rivers through the play water end that corresponds simultaneously, further offset rivers flow in and put in the cavity, wash the additive of putting in the cavity, thereby realize that the additive is automatic to be put in.

As shown in fig. 2 and fig. 3, in this embodiment, the water supply channel further includes a first water outlet branch 4, a second water outlet branch 5, and a third water outlet branch 6, which are arranged in parallel, water inlet ends of the first water outlet branch 4, the second water outlet branch 5, and the third water outlet branch 6 are arranged opposite to water outlet ends of the first water supply waterway 1 and the second water supply waterway 2, and the first water supply waterway 1 and the second water supply waterway 2 can be respectively communicated with any one of the plurality of water outlet branches.

As shown in fig. 2 and 3, the water outlet end of the first water supply waterway 1 is coaxially opposite to the water inlet end of the first water outlet branch 4, and is arranged at an interval, when the first water supply waterway 1 supplies water alone, the water supply current is ejected from the water outlet end of the first water supply waterway 1 and flows into the water inlet end of the first water outlet branch 4; the water outlet end of the second water supply waterway 2 is coaxially opposite to the water inlet end of the second water outlet branch 5 and is arranged at intervals, and when the second water supply waterway 2 supplies water alone, the water supply current is sprayed out from the water outlet end of the second water supply waterway 2 and flows into the water inlet end of the second water outlet branch 5; the end of intaking of third play water branch road 6 is in that first play water branch road 4 intakes between the end and the 5 ends of intaking of second play water branch road, is provided with the manger plate structure of the first water supply water route 1 rivers of guide on the first water supply water route 1, and the rivers in first water supply water route 1 and the second water supply water route 2 flow out simultaneously and merge into same share of water supply rivers and flow into the end of intaking of third play water branch road 6 through offset structure 3. The water supply waterway is communicated with any one of the water outlet branches, so that the water flow form of the water inlet device is enriched, and the use effect that the water inlet device respectively provides corresponding water inlet flows when the washing machine has different washing procedures is achieved.

In this embodiment, the length in second water supply water route 2 is obviously greater than first water supply water route 1, if first water supply water route 1 and second water supply water route 2 intake simultaneously, the rivers velocity of flow in first water supply water route 1 is greater than the rivers velocity of flow in second water supply water route 2, and the rivers in first water supply water route 1 are earlier than the rivers of second water supply water route 2 from corresponding out the water end outflow, lead to the rivers that form to take place the end of intaking that the skew can't flow into third play water branch road 6, in order to avoid the rivers of first water supply water route 1 and second water supply water route 2 to be partial to one side because of the skew of the inconsistent formation of rivers velocity of flow, carry out following setting: as shown in fig. 2 and 3, first water supply water route 1 portion is provided with the manger plate muscle 3 that extends to the opposite side from water route one side inner wall, the extension end of manger plate muscle 3 and the water route inner wall between have the clearance that supplies rivers to pass through, so that the partial rivers on first water supply water route 1 upper reaches are sheltered from by manger plate muscle 3, partial rivers are walked around the play water end in the first water supply water route 1 of manger plate muscle 3 flow direction, in order to realize position and the quantity through manger plate muscle 3, adjust the rivers velocity of flow in first water supply water route 1, rectify the flow direction in opposite water route, so that the opposite water rivers flow in the end of intaking of third play water branch road 6.

Preferably, the extension end of the water blocking rib 3 inclines or bends towards the upstream direction of the first water supply waterway 1, so that the flowing water is blocked by the water blocking rib 3 extending obliquely or in a bending way, and the water flow rate of the upstream direction of the first water supply waterway 1 can be reduced towards the water blocking rib 3 inclining or bending towards the upstream direction of the first water supply waterway 1, thereby achieving the effect of limiting the flow of the partial water flow of the first water supply waterway 1.

In this embodiment, be provided with the manger plate muscle 3 that a plurality of intervals were arranged on the at least one side inner wall in first water supply water route 1, as shown in fig. 2 and fig. 3, be provided with the manger plate muscle 3 that a plurality of intervals were arranged on the inner wall of the 1 relative both sides in first water supply water route respectively to make rivers in the water route set up manger plate muscle 3 reposition of redundant personnel many times on being set up the inner wall of the 1 relative both sides in first water supply water route, the rivers velocity of flow in first water supply water route 1 reduces along the direction of play water end gradually.

Preferably, the clearance between the extension end of manger plate muscle 3 and the water route inner wall reduces along the rivers direction gradually, and the extending length that is in the manger plate muscle 3 of 1 upstream direction in first water supply water route is greater than the extending length that is in the manger plate muscle 3 of 1 downstream direction in first water supply water route promptly to make the rivers in the upper reaches at the in-process that flows downstream, the rivers velocity of flow in the water route slows down gradually, avoids appearing the rivers velocity of flow in the local water route and slows down or overspeed, leads to the rivers that are sheltered from to form the vortex.

As shown in fig. 2 and 3, in this embodiment, the inner walls of the two sides of the first water supply channel 1 are respectively provided with a plurality of water retaining ribs 3, and the water retaining ribs 3 on the inner walls of the two sides are arranged in a relatively staggered manner. Set up water retaining muscle 3 through crisscross on the inner wall of both sides to make the rivers of first water supply water route 1 walk around water retaining muscle 3 and meander the flow direction and go out the water end, strengthened water retaining muscle 3 and reduced discharge, reduced the effect of rivers velocity of flow.

As shown in fig. 2 and fig. 3, in this embodiment, the water blocking ribs 3 on the inner walls of the two sides are arranged in a relatively staggered manner, and the extending length of the water blocking ribs 3 is greater than the gap between the extending end of the water blocking ribs 3 and the inner wall of the water path, so that the water flow direction of the first water supply water path 1 is in a serpentine shape, and then the water flow direction is bent to the water outlet end of the first water supply water path 1, thereby further enhancing the effects of reducing the water flow and reducing the water flow velocity of the water blocking ribs 3.

As shown in fig. 2 and 3, in the embodiment, the water blocking rib 3 is integrally arranged with the inner peripheral wall of the first water supply waterway 1, so that the water blocking rib 3 and the water inlet device are integrally formed, the structural strength is ensured, the number of parts is reduced, and the overall strength and reliability are improved.

As shown in fig. 2, in this embodiment, the first water supply waterway 1 sequentially includes a first vertical section 11, a curved transition section 12 and a second vertical section 13 along the water flow direction, the curved transition section 12 extends along an arc line to the water flow direction, the waterway width of the curved transition section 12 is greater than the waterway width of the first vertical section 11 or the second vertical section 13, and the water blocking structure is disposed at the curved transition section 12; preferably, the water route width of crooked changeover portion 12 reduces along rivers direction gradually, because the width of crooked changeover portion 12 is greater than first vertical section 11, the velocity of flow slows down when rivers flow to crooked changeover portion 12, and sets up water retaining structure at crooked changeover portion 12 and reduces water flow for the velocity of flow of water along the 1 play water end extending direction in first water supply water route further descends.

As shown in fig. 4, in the present embodiment, the curved transition section 12 is an arc curved transition section, two opposite sides of the arc curved transition section are respectively located on one side of an inner periphery and one side of an outer periphery of the arc curved transition section, that is, two opposite sides of the curved transition section 12 are respectively a first curved portion 121 located on one side of the inner periphery and a second curved portion 122 located on one side of the outer periphery, a plurality of water blocking ribs 3 arranged at intervals are respectively disposed on the first curved portion 121 and the second curved portion 122, the water blocking ribs 3 extend toward the second curved portion 122 along the first curved portion 121, a gap is disposed between the extending end and the second curved portion 122, and the water blocking ribs 3 extend toward the first curved portion 121 along the second curved portion 122, so as to achieve the position and the number of the water blocking ribs 3, reduce the flow rate of water, and further adjust the flow rate of the first water supply waterway 1.

Preferably, the water blocking ribs 3 on the first bending portion 121 and the water blocking ribs 3 on the second bending portion 122 are arranged in a relatively staggered manner, so that the water flow of the first water supply waterway 1 bypasses the water blocking ribs 3 which are arranged in a staggered manner, and is bent to flow to the water outlet end in a roundabout manner, and the effect of adjusting the flow rate of the water flow of the first water supply waterway 1 is further enhanced.

As shown in fig. 4, in the present embodiment, the extending length of the water-blocking rib 3 on the first bending portion 121 is greater than the extending length of the water-blocking rib 3 on the second bending portion 122. The first bending part 121 is located at the bending transition section 12, namely, the inner circumference side of the circular arc bending transition section, the second bending part 122 is located at the bending transition section 12, namely, the outer circumference side of the circular arc bending transition section, the circular arc length of the first bending part 121 is smaller than the circular arc length of the second bending part 122, when the water flow of the first water supply waterway 1 flows through the bending transition section 12, the water flow velocity close to the first bending part 121 side is larger than the water flow velocity close to the second bending part 122, and the water flow velocity flowing through the two opposite sides of the bending transition section 12 is kept consistent by controlling the extension length of the water blocking rib 3.

As shown in fig. 4, in the present embodiment, the distance between the adjacent water-blocking ribs 3 on the first bending portion 121 is smaller than the distance between the adjacent water-blocking ribs 3 on the second bending portion 122. The distance between the water retaining ribs 3 on the same side is controlled to keep the water flow velocity on the two opposite sides of the bent transition section 12 consistent.

Through above-mentioned water installations, the water retaining structure has reduced the play water flow in first water supply water route 1, and control the position and the quantity of manger plate muscle 3, has realized that the rivers in first water supply water route 1 and the rivers in second water supply water route 2 flow out and the velocity of flow is equivalent to form the offset rivers through the play water end that corresponds simultaneously, further offset rivers flow to softener cavity, have promoted the degree of becoming more meticulous.

Example two

The embodiment provides a washing machine, which is provided with any one of the water inlet devices, wherein the washing machine is provided with a detergent putting chamber for feeding an additive which is a detergent or washing powder into a water containing cylinder, a spraying device for feeding spraying water into the water containing cylinder and a softener putting chamber for feeding the additive which is a softener into the water containing cylinder, the water flow in a first water supply waterway flows into the detergent putting chamber, the water flow in a second water supply waterway flows into the spraying device, and the water flows in the first water supply waterway and the second water supply waterway flow into the softener putting chamber in an opposite flushing manner.

In this embodiment, the first water supply waterway and the first water supply waterway are communicated with any one of the three water outlet branches; when the first water supply waterway supplies water independently, the water supply flow is sprayed out from the water outlet end of the first water supply waterway and flows into the water inlet end of the first water outlet branch, and the water outlet end of the first water outlet branch is communicated with the spraying device; when the second water supply waterway supplies water independently, the water supply current is sprayed out from the water outlet end of the second water supply waterway and flows into the water inlet end of the second water outlet branch, and the water outlet end of the second water outlet branch is communicated with the detergent putting chamber; be provided with water retaining structure in the first water supply water route, two water flows when first water supply water route and the second water supply water route supply water simultaneously interfere each other and merge into same water supply water flow, water supply water flow inflow third play water branch road inlet end, the play water end and the softener of third play water branch road put in the cavity and are linked together.

Through the washing machine with the water inlet device, the first water path and the second water supply path realize that three water paths supply water into the water containing barrel through the hedging structure, and respectively supply detergent and/or washing powder into the water containing barrel from the main washing water path, spray water flows into the water containing barrel from the spray water path, softener and other auxiliary additives into the water containing barrel from the auxiliary washing water path, wherein the length of the first water supply path for supplying water to the spray water path is obviously shorter than that of the second water supply path for supplying water to the main washing water path, and the first water supply pipe is provided with the water retaining structure so that the first water path and the second water supply path simultaneously discharge water to form hedging water flow into the auxiliary washing water path through the hedging structure, thereby ensuring that a feeding cavity for adding the softener in a washing process has sufficient water inlet in a specified time, realizing siphonage, acting on a rinsing stage of clothes, and improving user experience.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a water installations, includes two water supply water routes that a certain inclination of end looks mistake set up of water outlet, and the length in second water supply water route is greater than the length in first water supply water route, and the rivers in two water supply water routes flow out through water outlet simultaneously and form offset rivers, its characterized in that: the first water supply waterway is internally provided with a water retaining structure for narrowing the section area of any position of the waterway so as to reduce the water outlet flow.

2. A water intake apparatus as claimed in claim 1, wherein: a water retaining rib extending from the inner wall of one side of the water channel to the opposite side is arranged in the first water supply water channel, and a gap for water flow to pass through is formed between the extending end of the water retaining rib and the inner wall of the water channel;

preferably, the extending end of the water blocking rib is inclined or bent toward the upstream direction of the first water supply waterway.

3. A water intake apparatus as claimed in claim 2, wherein: a plurality of water retaining ribs which are arranged at intervals are arranged on the inner wall of at least one side of the first water supply waterway;

preferably, the gap between the extending end of the water blocking rib and the inner wall of the waterway is gradually reduced along the water flow direction.

4. A water intake apparatus as claimed in claim 3, wherein: a plurality of water retaining ribs are respectively arranged on the inner walls of two sides of the first water supply waterway, and the water retaining ribs on the inner walls of two sides are arranged in a relatively staggered mode.

5. A water intake apparatus as claimed in claim 4, wherein: the extension length of the water retaining rib is larger than the gap between the extension end of the water retaining rib and the inner wall of the water channel.

6. A water intake apparatus as claimed in any one of claims 1 to 5, wherein: the first water supply waterway sequentially comprises a first vertical section, a bending transition section and a second vertical section along the water flow direction, the bending transition section extends along the arc line to the water flow direction, the waterway width of the bending transition section is greater than that of the first vertical section and the second vertical section, and the water retaining structure is arranged at the bending transition section.

7. A water intake apparatus as claimed in claim 6, wherein: the opposite two sides of the bending transition section are respectively a first bending part at one side of the inner periphery and a second bending part at one side of the outer periphery, and a plurality of water retaining ribs which are arranged at intervals are respectively arranged on the first bending part and the second bending part;

preferably, the water retaining ribs on the first bending part and the second bending part are arranged in a relatively staggered mode.

8. A water intake apparatus as claimed in claim 7, wherein: the extension length of the water retaining rib on the first bending part is larger than that of the water retaining rib on the second bending part.

9. A water intake apparatus as claimed in claim 7, wherein: the distance between the adjacent water retaining ribs on the first bending part is smaller than the distance between the adjacent water retaining ribs on the second bending part.

10. A washing machine equipped with the water inlet device as claimed in any one of claims 1 to 9.

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