WO2018059246A1

WO2018059246A1 - Water path structure of upper cover of water injection groove of washing machine and washing machine

Info

Publication number: WO2018059246A1
Application number: PCT/CN2017/101820
Authority: WO
Inventors: 李敬德; 刘淼; 梁启队; 徐安沅
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2016-09-30
Filing date: 2017-09-15
Publication date: 2018-04-05
Also published as: CN107881711B; CN107881711A

Abstract

Disclosed are a water path structure of an upper cover of a water injection groove of a washing machine, and a washing machine. The water path structure of an upper cover of a water injection groove of a washing machine comprises a waterflow passage (1), a water inlet (2) and a water outlet (3) being in communication with the waterflow passage (1), a stop rib (4), and an overflow port (5), wherein the stop rib (4) is provided in the waterflow passage (1) and is located between the water inlet (2) and the water outlet (3), and the overflow port (5) is in communication with the waterflow passage (1) and is provided below the stop rib (4). Water enters the waterflow passage (1) from the water inlet (2) and then encounters the stop rib (4). Because of the resistance of the stop rib (4), some of the water flows out from the overflow port (5), and the remaining water enters a compartment (91) via the water outlet (3).

Description

Washing machine water tank cover waterway structure and washing machine

Technical field

The present disclosure relates to a water tank structure for a washing machine water tank and a washing machine.

Background technique

The washing machine generally comprises a detergent adding device, the washing machine adding device comprises a water tank connected with a water injection pipe, the dispensing water tank is provided with a dispensing box which can be pulled, and the distribution box is provided with a plurality of compartments for putting different detergents, For example, it includes a main washroom for storing granular detergent, a softener compartment for storing a liquid softener, and a disinfectant compartment for storing laundry disinfectant.

Taking the softener compartment as an example, the water tank top cover water passage is connected to the softener compartment. Generally, the water inlet solenoid valve of the water tank softener compartment has a specification of 7 L/min, and the water passes through the water flow passage and the water outlet of the water inlet of the water tank to enter the softener compartment, and the water level in the softener compartment. After reaching the siphon position, it is discharged through the siphon port. Due to the small amount of siphon water, the water in the softener compartment cannot be discharged in time, resulting in overflow of the softener compartment.

Of course, it is not limited to the softener compartment, and for other compartments in the distribution box, there may be a problem that the compartment overflows due to the small amount of siphon water.

Summary of the invention

In a first aspect, a waterway structure for a water tank of a washing machine is provided, comprising: a water flow passage, a water inlet and a water outlet communicating with the water flow passage, a retaining rib located in the water flow passage, the retaining rib being located at the water inlet and the outlet Between the nozzles, the retaining rib is spaced apart from the water inlet by a predetermined distance, the rib extending downward from a top of the water flow passage; and a water overflow opening communicating with the water flow passage It is disposed below the retaining rib.

Optionally, the distance between the retaining rib and the water inlet is greater than or equal to 8 mm and less than or equal to 18 mm.

Optionally, the rib is inverted L-shaped.

Optionally, the area of the rib is 3/4-4/5 of the cross-sectional area of the water flow channel at the rib.

Optionally, the overflow port is a square hole or a circular hole.

Optionally, the first upper cover and the second upper cover in the water tank upper cover enclose the water flow passage, the retaining rib is connected to the first upper cover, and the water inlet is disposed at the a first upper cover, and a center line of the water inlet is perpendicular to the retaining rib, and the overflow opening is formed on the second upper cover.

Optionally, a region of the first upper cover adjacent to the water inlet is provided with a groove, and the rib is disposed in the groove.

Optionally, the retaining rib is a plastic piece and is integrally formed with the first upper cover.

Optionally, the overflow opening is opened at a corner of the second upper cover.

In a second aspect, a washing machine is provided, comprising a water injection tank, a dispensing box located in the water injection tank. The water tank is provided with the above-mentioned washing machine water tank upper cover waterway structure, and the washing machine water tank upper cover waterway structure corresponds to the compartment in the distribution box, and the water outlet is connected to the compartment, The overflow port communicates with the space of the water tank below the distribution box.

The water tank structure of the washing machine water tank of the present disclosure includes a water flow passage, a water inlet and a water outlet communicating with the water flow passage, a retaining rib and an overflow. The retaining rib is disposed in the water flow passage between the water inlet and the water outlet, and extends downward from the top of the water flow passage, and the overflow port communicates with the water flow passage and is opened under the retaining rib. After the water enters the water flow passage from the water inlet, it encounters the retaining ribs, and most of the water flows downward from the overflow port (this part of the water does not enter the compartment of the distribution box, and can flow directly into the washing tub through the water tank through the water tank), and the remaining A small part of the water enters the compartment through the water outlet. Thus, by setting the ribs and the overflow opening, the amount of water entering the compartment is reduced. The siphoning effect is sufficient to discharge the water in the compartment, thereby preventing the compartment water from overflowing. In addition, the retaining ribs and the overflow opening are simple and easy to implement, and do not require major modifications to the existing structure, and the effect is obvious.

The washing machine of the present disclosure comprises a water injection tank and a distribution box located in the water injection tank, wherein the upper cover water passage in the water injection tank corresponds to the compartment in the distribution box, and the upper cover water passage adopts the above-mentioned washing machine water tank cover water passage structure, wherein the water outlet It communicates with the compartment, and the overflow port communicates with the space of the water tank below the distribution box. Thereby, the compartment in the distribution box in the washing machine does not overflow.

DRAWINGS

The above-described and other features of the present disclosure will become more apparent to those of ordinary skill in the art the

1 is a perspective view of the water tank and the distribution chamber in an assembled state, wherein the water injection tank includes a water passage structure of the washing machine water tank top cover;

Figure 2 is a schematic view of the water injection tank and the distribution chamber of Figure 1 in a discrete state;

Figure 3 is a top plan view of the water injection tank and the distribution chamber of Figure 1;

Figure 4 is a schematic cross-sectional view of the water injection tank and the distribution chamber of Figure 3 taken along line B-B;

Figure 5 is a partially enlarged cross-sectional view showing the water injection tank of Figure 3;

Figure 6 is a perspective view of the retaining rib of Figure 5;

FIG. 7 is a schematic structural diagram of a washing machine provided by an embodiment of the present disclosure.

In the picture:

1: water flow channel; 11: first water flow branch; 12: second water flow branch; 2: water inlet; 3: water outlet; 4: retaining rib; 41: top edge; 42: first side; Bottom edge; 44: second side; 45: third side; 46: fourth side; 5: overflow; 6: first upper cover; 61: groove; 62: horizontal portion; 63: inclined portion ; 64: inlet pipe; 7: second upper cover; 71: corner of the second upper cover; 8: water injection Slot; 9: distribution box; 91: compartment; 10: lower cover; a: distance between the retaining rib and the water inlet.

detailed description

The technical solutions of the present disclosure will be further described below in conjunction with the accompanying drawings and specific embodiments.

Embodiment 1

Referring to FIG. 1 to FIG. 6 , in the embodiment, a water passage structure for a water tank of a washing machine is provided. The water tank structure of the water tank cover includes a water flow channel 1, a water inlet 2 and a water outlet 3. Both the water inlet 2 and the water outlet 3 are in communication with the water flow channel 1. The water inlet 2 is provided to feed water into the water flow passage 1, and the water outlet 3 communicates with one of the compartments 91 of the distribution box 9 for supplying water to the compartment 91. Optionally, the water tank structure of the water tank upper cover further includes a retaining rib 4 and an overflow opening 5. The water flow channel 1 is provided with a retaining rib 4. The retaining rib 4 is disposed upstream of the water outlet 3, spaced apart from the water inlet 2 by a predetermined distance, and extends downward from the top of the water flow passage 1, and the overflow opening 5 communicates with the water flow passage 1 and is opened below the retaining rib 4 ( Includes directly below and diagonally below).

When the waterway structure of the water tank is applied, the water enters the water flow passage 1 from the water inlet 2 and encounters the retaining rib 4, and most of the water flows downward from the overflow port 5 due to the resistance of the retaining rib 4 (this portion of the water does not enter the distribution) The compartment 91 of the cartridge 9 can be directly flowed into the washing tub through the water inlet 8 through the hose, and the remaining small portion of the water enters the compartment 91 through the water outlet 3. It can be understood that, by the arrangement of the retaining ribs 4, the water flow channel 1 is divided into a first water flow branch 11 communicating with the water outlet 3 and a second water flow branch 12 communicating with the overflow port 5 downstream of the retaining rib 4, and being blocked by the retaining rib 4 The blocked water flow forms two streams of water (first water and second water), the first stream flows along the first stream branch 11 and flows out of the water tank upper cover waterway structure, and the second stream flows along the second water stream The branch 12 flows and enters the compartment 91 via the water outlet 3. Thus, by providing the retaining ribs 4 and the overflow opening 5, the amount of water entering the compartment 91 is reduced, so that the siphoning action is sufficient to discharge the water in the compartment 91, thereby preventing the compartment 91 from overflowing. Further, the retaining ribs 4 and the overflow opening 5 are simple in structure and easy to implement.

In the present embodiment, the water injection tank 8 includes an upper cover and a lower cover 10. The upper cover and the lower cover 10 are enclosed to form a housing In the space, the distribution box 9 is detachably mounted in the accommodating space. Further, a gap is formed between the distribution box 9 and the lower cover 10 to form a water storage space. The upper cover includes a first upper cover 6 and a second upper cover 7. The first upper cover 6 is located above the second upper cover 7. The first upper cover 6 and the second upper cover 7 enclose a water flow passage 1, and the bottom surface of the first upper cover 6 is the top of the water flow passage 1. The retaining rib 4 is connected to the first upper cover 6 and extends vertically. The water inlet 2 is disposed on the first upper cover 6, and the center line of the water inlet 2 is perpendicular to the retaining rib 4. A water inlet pipe 64 is also provided in the first upper cover 6, and the water inlet 2 is an outlet of the water inlet pipe 64.

The region of the first upper cover 6 adjacent to the water inlet 2 is provided with a recess 61 in which the retaining rib 4 is disposed. Alternatively, the groove bottom of the groove 61 is provided with a horizontal portion 62 and an inclined portion 63. The inclined portion 63 is farther from the water inlet 2 than the horizontal portion 62, that is, the distance between the inclined portion 63 and the water inlet 2 is greater than the distance between the horizontal portion 62 and the water inlet 2. After entering the water inlet 2, the fluid first flows through the horizontal portion 62 and then flows through the inclined portion 63. The retaining rib 4 is connected to the horizontal portion 62. Alternatively, the retaining ribs 4 are all located in the recess 61 without protruding beyond the recess 61. The retaining rib 4 is a plastic member and is integrally formed with the first upper cover 6.

In one embodiment, as shown in Figures 5 and 6, the distance between the rib 4 and the water inlet 2 is in the range of 8-18 mm. Alternatively, the distance between the retaining rib 4 and the water inlet 2 is 8 mm, and the retaining rib 4 has an inverted L shape.

In the present embodiment, the area of the retaining rib 4 (i.e., the area of the inverted L shape) accounts for 3/4 - 4/5 of the cross-sectional area of the water flow passage 1 at the retaining rib 4. That is to say, at the position where the retaining rib 4 is located, the 3/4-4/5 region of the water flow passage 1 is an inverted L-shaped retaining rib 4, and the remaining region is available for the water to flow therethrough. Alternatively, the area of the retaining rib 4 accounts for 3/4 of the cross-sectional area of the water flow passage 1 at the retaining rib 4, at which time the water supply flow of the 1/4 of the water flow passage 1 passes. Optionally, the retaining rib 4 includes six sides of a top edge 41, a first side edge 42, a bottom edge 43, a second side edge 44, a third side edge 45, and a fourth side edge 46. The top edge 41 and the water flow channel The top of 1 (i.e., the bottom surface of the first upper cover 6) is connected. The top edge 41, the first side edge 42, the bottom side 43, the second side edge 44, the third side edge 45, and the fourth side edge 46 are sequentially connected, and each side is perpendicular to the two sides adjacent thereto, Surrounded by inverted L-shaped. In the present embodiment, the length of the top edge 41 is the same as the width of the water flow channel 1 where it is located. The degree is equal to 12 mm; the length of the first side 42 is equal to the depth of the groove 61, which is 10 mm; the length of the bottom side 43 is 6 mm; the length of the second side 44 is 6 mm; the length of the third side 45 is 6mm; the fourth side 46 has a length of 4 mm.

In the present embodiment, the overflow opening 5 is opened on the second upper cover 7. Optionally, the overflow opening 5 is opened at the corner 71 of the second upper cover 7 while passing through two adjacent side walls of the corner 71 of the second upper cover 7. The overflow port 5 is a square hole or a circular hole. In order to facilitate plastic molding of the second upper cover 7, the overflow opening 5 is a square hole.

It can be understood that the shape of the overflow opening 5 and the shape, size and position of the retaining rib 4 are not limited to the above embodiment, and can be adjusted to enter the second water flow branch 12 by changing the shape of the overflow opening 5 and the shape, size and position of the retaining rib 4 The amount of water in turn regulates the amount of water entering the compartment 91.

The water tank structure of the water tank upper cover of the present embodiment corresponds to the compartment 91 (for example, the softener compartment) in the distribution box 9 which is drained by the siphon principle, and the position and the number of the compartments 91 according to the principle of siphon drainage in the distribution box 9 are arranged. Depending on the location and quantity.

Embodiment 2

Referring to Figure 7 in conjunction with Figures 1 through 6, a washing machine is provided in this embodiment. The washing machine includes a water injection tank 8 and a distribution box 9 located in the water injection tank 8. The upper cover water passage in the water injection tank 8 corresponds to the compartment 91 in the distribution box 9, and the upper cover water passage is constructed as the washing machine water injection tank of the first embodiment The upper cover water passage structure, wherein the water outlet 3 communicates with the compartment 91, and the overflow opening 5 communicates with the space of the water injection tank 8 located below the distribution box 9.

Thereby, the compartment 91 in the distribution box 9 in the washing machine does not overflow.

The technical principles of the present disclosure have been described above in connection with specific embodiments. The descriptions are only intended to explain the principles of the present disclosure, and are not to be construed as limiting the scope of the disclosure. Based on the explanation herein, those skilled in the art can devise various other embodiments of the present disclosure without departing from the scope of the present invention.

Claims

A waterway structure for a washing machine water tank, comprising:

Water flow channel (1);

a water inlet (2) and a water outlet (3) communicating with the water flow passage (1);

a rib (4) located in the water flow passage (1), wherein the rib (4) is located between the water inlet (2) and the water outlet (3), the rib (4) and the water inlet (2) spaced apart by a predetermined distance, the ribs (4) extending downward from the top of the water flow channel (1);

An overflow port (5) communicating with the water flow passage (1) and disposed below the retaining rib (4).
The water tank structure of the water tank top cover of the washing machine according to claim 1, wherein a distance between the retaining rib (4) and the water inlet (2) is greater than or equal to 8 mm and less than or equal to 18 mm.
The water tank structure for a water tank of a washing machine according to claim 1, wherein the retaining rib (4) has an inverted L shape.
A water tank structure for a water tank of a washing machine according to any one of claims 1 to 3, wherein an area of the rib (4) is a water flow passage (1) at the rib (4) 3/4-4/5 of the cross-sectional area.
The water tank structure for a water tank top cover of a washing machine according to claim 1, wherein the water overflow opening (5) is a square hole or a circular hole.
A water tank structure for a water tank of a washing machine according to claim 1, wherein

The first upper cover (6) and the second upper cover (7) in the upper cover of the water tank are enclosed to form the water flow channel (1), and the retaining rib (4) is connected to the first upper cover ( 6), the water inlet (2) is disposed on the first upper cover (6), and a center line of the water inlet (2) is perpendicular to the retaining rib (4), the overflow port (5) ) is opened on the second upper cover (7).
A water tank structure for a water tank of a washing machine according to claim 6, wherein

A region of the first upper cover (6) adjacent to the water inlet (2) is provided with a recess (61), and the retaining rib (4) is disposed in the recess (61).
A water tank structure for a water tank of a washing machine according to claim 6, wherein

The retaining rib (4) is a plastic piece and is integrally formed with the first upper cover (6).
A water tank structure for a water tank of a washing machine according to claim 6, wherein

The overflow opening (5) is opened at a corner (71) of the second upper cover (7).
A washing machine comprising a water injection tank (8), a distribution box (9) located in the water injection tank (8), wherein the water injection tank (8) is provided with the washing machine according to any one of claims 1-9 The water tank structure of the water tank is covered, and the water tank structure of the water tank of the washing machine corresponds to the compartment in the distribution box (9), and the water outlet (3) communicates with the compartment, the overflow port (5) ) communicating with the space of the water injection tank (8) located below the distribution box (9).