CN215887627U

CN215887627U - Washing machine and water inlet assembly and inner cover thereof

Info

Publication number: CN215887627U
Application number: CN202121452235.6U
Authority: CN
Inventors: 张刚金; 王得军; 魏清文; 傅晓东
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-22
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a washing machine and a water inlet assembly and an inner cover thereof, wherein the inner cover is provided with a hollow cavity, the bottom wall of the hollow cavity is of a structure with a high inside and a low outside, and a plurality of spraying ports are arranged on the bottom wall; the inner cup is provided with a water inlet pipe, and the axis of the water inlet pipe is matched with the circumferential direction of the hollow cavity, so that water flow entering the hollow cavity through the water inlet pipe firstly enters the outer side of the hollow cavity. According to the utility model, the bottom wall of the inner cover is set to be a structure with a high inside and a low outside, and meanwhile, the water inlet direction is approximately tangential, so that water flow is gradually pushed from outside to inside according to the water flow pressure when entering the washing barrel of the washing machine through the inner cover, and the spraying effect in the rinsing process is improved.

Description

Washing machine and water inlet assembly and inner cover thereof

Technical Field

The utility model belongs to the technical field of water inlet of washing machines, and particularly relates to a washing machine and a water inlet assembly and an inner cover thereof.

Background

At present, there are various types of washing machines developed worldwide, and designers develop washing machines with various functions from different angles according to market demands, such as: the washing machine with the spraying device has a single water inlet mode, namely water is directly introduced into a cavity with the spraying device through a water inlet pipeline specially arranged on an outer cylinder cover of the washing machine, so that water inlet is realized. In addition, in some pulsator washing machines with inner covers, the water inlet is usually installed on a tray, and the water is led to the outer barrel cover through a rubber pipe by the water inlet valve and then flows vertically between the inner barrel and the outer barrel. Above water inlet mode exists that it is inhomogeneous to intake, and it is poor to spray the effect, washes clothing inefficiency scheduling problem, simultaneously, sets up the inlet channel specially and still has occupied the space of great laundry inner cup or dish seat.

In addition, the general daily bath washing in the market realizes washing, and the process is as follows: the washing program of the washing machine comprises a program for controlling the inner barrel of the washing machine to rotate or controlling the inner barrel and the impeller of the washing machine to integrally rotate, and the control mode enables water flow in the outer barrel to rise to the outer barrel cover of the washing machine along a water flow channel between the inner barrel and the outer barrel under the action of centrifugal force and return to the inner barrel from the outer barrel cover, so that a top-down washing water flow daily washing process is formed. The washing process of the bath is capable of accelerating the dissolution of detergents such as laundry detergent and the like, and forming a three-dimensional water flow from top to bottom to wash clothes and the detergents, so that the washing efficiency is improved. However, this method has a problem of poor washing strength.

Chinese patent application No. CN201220344652.3 discloses a washing machine inner cover with a spraying structure, which comprises at least two layers of structural members, including an upper cover and a lower cover, wherein the spraying structure comprises a water inlet arranged on the inner cover, a spraying annular flow passage chamber arranged between the upper and lower covers and communicated with the water inlet, and a spraying hole arranged below the spraying annular flow passage chamber, and water flows vertically into a dewatering barrel and is uniformly sprayed on clothes.

Chinese patent application with application number CN201910732591.4 discloses a washing machine inner cup, which is provided with a spraying chamber, the spraying chamber is provided with a spraying hole, the washing machine inner cup is further provided with a hollow connecting shaft capable of feeding water, and the connecting shaft is communicated with the spraying chamber.

The water inflow in the scheme is concentrated, and the uniformity of water flow entering the inner cover is poor, so that the spraying water pressure is not uniform, and the spraying effect is poor.

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

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide an inner cover of a washing machine, wherein the bottom wall of the inner cover is designed to be a structure with a high inside and a low outside, and meanwhile, the water inlet direction is approximately tangential, so that water flow is gradually pushed from outside to inside according to the water flow pressure when entering a washing barrel of the washing machine through the inner cover, and the spraying effect in the rinsing process is improved.

Another object of the present invention is to provide a water inlet assembly of a washing machine, which comprises the above-mentioned inner cover.

Another object of the present invention is to provide a washing machine including the above water inlet assembly.

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

an inner cover of a washing machine, the inner cover is provided with a hollow cavity,

the bottom wall of the hollow cavity is of a structure with a high inside and a low outside, and a plurality of spraying ports are formed in the bottom wall;

the inner cup is provided with a water inlet pipe, and the axis of the water inlet pipe is matched with the circumferential direction of the hollow cavity, so that water flow entering the hollow cavity through the water inlet pipe firstly enters the outer side of the hollow cavity.

Further, in the above-mentioned case,

the bottom wall of the hollow cavity forms a plurality of areas from the center to the outer edge, and the areas are of a stepped structure with a high inner part and a low outer part.

Further, in the above-mentioned case,

a plurality of the spraying openings in each area are uniformly distributed in a radial shape from the center to the outer edge.

Further, in the above-mentioned case,

the height of the bottom wall of the hollow cavity is gradually reduced from the center to the outer edge in a smooth transition mode, and the plurality of spraying openings are radially and uniformly distributed from the center to the outer edge.

Further, in the above-mentioned case,

the inner cup includes upper cover and the lower cover that the lock is connected, the upper cover with the lower cover encloses to establish and forms well cavity, the diapire of lower cover constitutes the diapire of well cavity, the inlet tube sets up on the lateral wall of lower cover.

Further, in the above-mentioned case,

the inner side of the upper cover is provided with a plurality of crossed annular reinforcing ribs and radial reinforcing ribs.

A water inlet assembly of a washing machine includes

An outer tub cover having a laundry input port;

the inner cover can be opened and closed and is arranged on the clothes input opening,

the inner cover is in pivot connection with the outer barrel cover, and the water inlet pipe is arranged on one side of the inner cover in pivot connection with the outer barrel cover.

Further, in the above-mentioned case,

and a locking unit is arranged between the inner cover and the outer barrel cover and is arranged at one side opposite to the inner cover and the outer barrel cover in a pivoting connection.

Further, the locking unit includes:

the clamping groove is arranged on the edge of the clothes feeding opening on the outer barrel cover;

the clamping jaw is arranged on the outer edge of the inner cover and is clamped with the clamping groove.

A washing machine comprises an outer barrel, wherein the outer barrel is provided with an opening, and the water inlet assembly is arranged on the opening of the outer barrel.

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

1. The central area of the bottom wall of the inner cover is higher, the outermost area is lowest, the range of the spraying area can be automatically adjusted according to the water pressure, and the spraying is uniform.

2. When the water inflow flow is small, the flow characteristic of water is utilized, only the lower position at the outermost side is adopted for spraying, when the water inflow flow is increased, the water flow further overflows to the area of the upper step, and the higher position is started for spraying, so that the automatic coordination of the spraying water amount and the spraying area is realized.

3. The inner cover with the hollow cavity has the advantages of low manufacturing cost, simple structure, convenient processing and low cost, and is suitable for production.

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 utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model 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 view showing an opened state of an inner lid according to the present invention;

FIG. 2 is a schematic view of the present invention with the inner lid closed;

FIG. 3 is an angled configuration of the inner cap of the present invention;

FIG. 4 is a schematic view of another angular configuration of the inner cap of the present invention;

FIG. 5 is a schematic view of an angled internal configuration of the inner cap of the present invention;

FIG. 6 is a schematic view of another angular internal configuration of the inner cap of the present invention;

FIG. 7 is a cross-sectional view of the inner lid of the present invention;

FIG. 8 is a schematic structural view of a water intake assembly of the present invention;

FIG. 9 is a cross-sectional view of the water intake assembly of the present invention;

fig. 10 is an exploded view of the water intake assembly of the present invention.

In the figure: 1. an outer tub; 2. an inner barrel; 3. an outer barrel cover; 4. an inner cover; 41. an upper cover; 42. a lower cover; 43. a bottom wall; 44. a spray port; 45. a seal ring; 46. an annular reinforcing rib; 47. radial reinforcing ribs; 5. a water inlet pipe; 6. buckling; 7. a claw; 8. a clamping groove.

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.

As shown in fig. 1 to 10, the present invention provides a washing machine, a water inlet assembly and an inner lid thereof.

As shown in fig. 1 and 2, the washing machine includes an outer tub 1, an inner tub 2 rotatably provided in the outer tub 1, and a pulsator rotatably provided in the inner tub 2.

When the washing machine operates a washing program, the impeller and/or the inner barrel 2 rotate, so that water flow which rolls up and down is formed in the inner barrel 2, and clothes are driven to turn over. When the washing machine operates the rinsing program, most of the water in the outer tub 1 is discharged through the drain pipe, and then when the dewatering program is started, the residual water and the detergent on the clothes are thrown out under the action of centrifugal force by rotating the inner tub 2 at a high speed, and then the residual detergent in the clothes is rinsed by introducing the water into the inner tub 2.

As shown in fig. 3 to 6, the inner cover 4 of the present invention has a hollow chamber, a bottom wall 43 of the hollow chamber is a structure with a high inside and a low outside, and a plurality of spraying ports 44 are arranged on the bottom wall 43; the inner cup 4 is provided with a water inlet pipe 5, and the axis of the water inlet pipe 5 is matched with the circumferential direction of the hollow cavity, so that water flow entering the hollow cavity from the water inlet pipe 5 firstly enters the outer side of the hollow cavity. It can be understood that the water inlet pipe 5 is connected with a water inlet valve of the washing machine, and the water inlet valve controls the on-off of the water inlet pipe 5.

Specifically, the axial direction of the water inlet pipe 5 is approximately tangent to the edge of the hollow cavity, so that water flowing into the hollow cavity through the water inlet pipe 5 enters tangentially, and the water flows spirally from the outer edge to the center in the hollow cavity.

In detail, in the pulsator type washing machine, when the washing machine operates the rinsing process, the spin-drying process is necessarily operated first, and the water and the detergent on the laundry are thrown out by the centrifugal force, so that the laundry in the inner tub 2 is closely attached to the tub wall of the inner tub 2 by the centrifugal force after the spin-drying process is completed. At this moment, when the rinsing program is operated, the water inlet valve of the washing machine is opened, because the bottom wall 43 of the hollow cavity of the inner cover 4 is in a structure with a high inside and a low outside, and the water flow of the inner cover 4 enters tangentially through the water inlet pipe 5, the water flow firstly enters the inner barrel 2 through the spraying port 44 arranged on the outer side of the bottom wall 43 of the hollow cavity, the clothes tightly attached to the barrel wall in the inner barrel 2 are sprayed, the water is uniformly sprayed, the detergent in the clothes can be fully removed, and the rinsing effect is improved.

The scheme of the utility model abandons the problem that the water supply mode is single and can not adapt to the water supply requirements under various procedures because the plane water supply mode is always adopted in the prior art.

In addition, for the mode of plane water supply in the prior art, when the condition that the inflow water flow is smaller, the condition that the water distribution in the washing barrel is uneven is easily caused, the condition that partial area has no water is easily caused, and the spraying effect is reduced.

According to the scheme, the central area is higher, the outermost area is lowest, the range of the spraying area can be automatically adjusted according to the water pressure, and spraying is uniform.

The foregoing is the core idea of the present invention, and in order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 7, the bottom wall 43 of the hollow chamber forms several regions from the center to the outer edge, and the several regions are in a step-like structure with a high inside and a low outside.

In detail, when the inflow water flow is small, the flow characteristic of water is utilized, only the lower position at the outermost side is adopted for spraying, when the inflow water flow is increased, the water further overflows to the area of the upper step, and the higher position is started for spraying, so that the automatic coordination of the spraying water quantity and the spraying area is realized.

In a further embodiment, a plurality of the spray openings 44 in each region are uniformly distributed radially from the center to the outer edge.

The spray opening 44 may be shaped as: circular, triangle-shaped, regular polygon or its combination form etc. spray the mouth 44 and be radial evenly distributed for being by the center to the outer edge on lower cover 42, above-mentioned scheme makes the visual experience that can promote the customer when the spraying effect of rivers is more even.

In some embodiments of the present invention, the height of the bottom wall 43 of the hollow chamber is gradually decreased from the center to the outer edge in a smooth transition manner, and the plurality of spray openings 44 are uniformly distributed in a radial manner from the center to the outer edge.

Above-mentioned scheme makes the downside of inner cup 4 be circular-arc structure, and when the user opened inner cup 4 and put into the clothing to interior bucket 2 or take out the clothing from interior bucket 2, the outward appearance of the inner cup 4 that observes is more pleasing to the eye, promotes user's use experience.

The hollow chamber of the inner lid 4 is formed in various ways.

In some embodiments of the present invention, as shown in fig. 6, the inner cover 4 includes an upper cover 41 and a lower cover 42 that are snap-fit connected, the upper cover 41 and the lower cover 42 enclose the hollow chamber, a bottom wall 43 of the lower cover 42 forms a bottom wall 43 of the hollow chamber, and the water inlet pipe 5 is disposed on a side wall of the lower cover 42.

The above scheme enables the upper cover 41 and the lower cover 42 to be manufactured separately and then assembled, and the manufacturing process is simple and easy to implement.

In a further scheme, a plurality of buckles 6 are arranged on the edges of the upper cover 41 and the lower cover 42, and the upper cover 41 and the lower cover 42 of the inner cover 4 are fixed together through the matching relationship of the buckles 6. Furthermore, a sealing ring 45 is arranged at the buckling connection position of the upper cover 41 and the lower cover 42, so that the sealing performance is improved.

In a further scheme, a plurality of crossed annular reinforcing ribs 46 and radial reinforcing ribs 47 are arranged on the inner side of the upper cover 41.

Because the inner cover 4 is required to bear certain water pressure, the inner side of the upper cover 41 is provided with the annular reinforcing ribs 46 and the radial reinforcing ribs 47 which are mutually crossed, so that the strength of the upper cover 41 is improved, and the phenomenon that the upper cover 41 is deformed due to too much water pressure, the connection relation between the upper cover 41 and the lower cover 42 is influenced, and water leakage is caused is avoided.

In some embodiments of the present invention, the inner cover 4 of the washing machine is a separate cover body, a hollow chamber is formed in the cover body in an integrated molding process, and the water inlet pipe 5 is arranged on the side wall of the inner cover 4 of the washing machine, so that the structure is optional, and the production cost is low.

The inner cap 4 of the present invention is generally provided on the outer tub cover 3 and can be replaced as a separate component.

In detail, as shown in fig. 8 to 10, the water inlet assembly of the present invention includes an outer tub cover 3, the outer tub cover 3 having a laundry input port; the inner cover 4 is pivotally connected to the outer tub cover 3 for opening and closing the laundry inlet.

The water inlet pipe 5 is arranged on one side of the inner cover 4, which is pivotally connected with the outer barrel cover 3, and is closer to a water inlet structure of the washing machine, so that the water inlet pipe 5 is prevented from occupying more space due to too long.

In a further scheme, a locking unit is arranged between the inner cover 4 and the outer barrel cover 3, and the locking unit is arranged on the opposite side of the pivotal connection between the inner cover 4 and the outer barrel cover 3.

In detail, since the inner lid 4 is under a certain pressure during the spraying process, in order to prevent the inner lid 4 from vibrating at the laundry loading port under the action of water pressure to cause noise and prevent water from being sprayed to the outside of the outer tub 1 from the gap between the inner lid 4 and the laundry loading port, a locking unit is provided between the inner lid 4 and the outer tub 3, and a user can fix the inner lid 4 through the locking unit.

In detail, the locking unit comprises a clamping groove 8 arranged on the edge of the upper clothing throwing-in opening of the outer barrel cover 3 and a clamping jaw 7 arranged on the outer edge of the inner cover 4 and clamped with the clamping groove 8.

At the same time, the bayonet may also be a hand-held portion for a user to operate the inner cap 4.

The clamping jaw 7 is made of hard plastic, has certain strength and can bear certain deformation. When the user wants to open the inner cap 4, the claw 7 is pressed to deform and disengage from the catch 8. When the user closes the inner cap 4, the claw 7 is pressed to be embedded into the clamping groove 8 and clamped with the clamping groove 8.

Further, a reset unit for keeping the inner cover 4 in an opening state is arranged at the pivot joint of the inner cover 4 and the outer barrel cover 3, and after the user disengages the clamping jaws 7 from the clamping grooves 8, the inner cover 4 is kept in the opening state under the action of the reset unit.

The reset unit is a torsion spring and the like.

The above water inlet assembly of the present invention is installed on the opening of the outer tub 1, so that the outer tub cover 3 and the inner cover 4 are maintained in a relatively stationary state when the inner tub 2 is rotated.

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 utility model as defined by the appended claims.

Claims

1. An inner cover of a washing machine, the inner cover having a hollow chamber, characterized in that:

2. An inner lid of a washing machine as claimed in claim 1, wherein:

3. An inner lid of a washing machine as claimed in claim 2, wherein:

4. An inner lid of a washing machine as claimed in claim 1, wherein:

5. An inner lid of a washing machine as claimed in any one of claims 1 to 4, wherein:

6. An inner lid of a washing machine as claimed in claim 5, wherein:

7. A water inlet assembly of a washing machine, characterized in that: comprises that

An outer tub cover having a laundry input port;

an inner lid as set forth in any one of claims 1 to 6 openably and closably provided on the laundry input port,

8. The water inlet assembly of a washing machine as claimed in claim 7, wherein:

9. The water inlet assembly of a washing machine as claimed in claim 8, wherein: the locking unit includes:

10. A washing machine comprising an outer tub having an opening, wherein the opening of the outer tub is provided with a water inlet assembly as claimed in any one of claims 7 to 9.