WO2018040908A1

WO2018040908A1 - Anti-overflow structure of laundry machine and drum-type laundry machine

Info

Publication number: WO2018040908A1
Application number: PCT/CN2017/097465
Authority: WO
Inventors: 赵志强; 许升; 宋华诚; 赵新宇; 杨旭光
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2016-08-29
Filing date: 2017-08-15
Publication date: 2018-03-08
Also published as: CN107780147A

Abstract

An anti-overflow structure of a laundry machine and a drum-type laundry machine. The anti-overflow structure comprises an installation portion (1) and an elastic piece portion (2), wherein the installation portion (1) is an annular structure, the elastic piece portion (2) is fixed at one end of the installation portion (1), the elastic piece portion (2) comprises at least two elastic pieces (21) sequentially joined together, first ends of the elastic pieces (21) are fixed on the installation portion (1), second ends of the elastic pieces (21) away from the installation portion (1) sequentially join together to form a closed structure, and when at least one elastic piece (21) is under an external pressure, the second end of the at least one elastic piece (21) springs open, forming an elastic opening (22).

Description

Anti-overflow structure of washing machine and drum washing machine

Technical field

The present disclosure relates to the technical field of washing machines, for example, to a spill prevention structure of a washing machine and a drum washing machine having the overflow prevention structure of the washing machine.

Background technique

The drum washing machine of the related art uses the beaten clothes to achieve the effect of decontamination, the washing process saves water, and the amount of water injected during washing is small (the amount of water corresponding to 8 kg of clothes is about 20 L). If the consumer puts more detergent or laundry detergent, or does not use the washing powder and washing liquid for the drum washing machine, after the washing starts, the inner cylinder runs in the closed outer cylinder, and a large amount of foam will be operated. The barrel is squeezed out, causing the foam to surge and overflow through the location of the detergent box. The spilled foam flows to the outer surface of the washing machine and the ground, and the spilled foam may also flow into the interior of the washing machine through the gap of the washing machine, causing the washing machine to be short-circuited. Some of the drum washing machines of the related art have a drying function, and the foam in the drum may enter the heating unit and the fan unit along with the duct, thereby causing damage to the components of the washing machine and the risk of electric shock.

Based on the above, there is a need for a washing machine overflow-proof structure that is reliable in connection, convenient to use, and good in sealing, and a drum washing machine having the overflow-proof structure to solve the above problems.

Summary of the invention

An anti-overflow structure of a washing machine, comprising: a mounting portion and a spring piece portion, wherein the mounting portion is an annular structure, the elastic piece portion is fixed at one end of the mounting portion; and the elastic piece portion comprises at least two elastic pieces that are sequentially spliced The first end of each elastic segment is fixed on the mounting portion, and each elastic segment is sequentially spliced and closed away from the second end of the mounting portion; when at least one elastic segment is subjected to external pressure, at least one elastic segment is The second end of the spring bounces to form a resilient mouth.

Optionally, the elastic piece portion is a unitary structure, and an intermediate portion of the elastic piece portion is divided by a cutting slit to form the elastic piece.

Optionally, the cutting slit is a cross shape, and the elastic piece forms four elastic pieces of uniform size through the cutting slit.

Optionally, the bottom of the elastic segment is provided with a reinforcing rib.

Optionally, the mounting portion and the elastic portion are integrally formed from an elastic rubber material.

A drum washing machine comprising the overflow prevention structure of the washing machine as described above.

Optionally, a detergent box and a washing outer cylinder are provided, wherein a bottom of the detergent box is provided with a chamber tube, and an upper portion of the washing outer cylinder is provided with a port of the first outer tube, the chamber tube A detergent box connecting tube is connected between the port of the first outer tube; and the overflow preventing structure is installed in the chamber tube or both ends of the detergent box connecting tube or the port of the first outer tube.

Optionally, the anti-overflow structure and the detergent box connecting tube are integrally formed by an injection molding process.

Optionally, the drum washing machine comprises a window pad and a washing outer cylinder, wherein the window pad is provided with an air duct tube; and the overflow prevention structure is installed in the air duct.

Optionally, the anti-overflow structure and the air duct are integrally formed by an injection molding process.

DRAWINGS

1 is a perspective view of a spill prevention structure of a washing machine provided by at least one embodiment;

Figure 2 is a perspective view of a washing machine provided by at least one embodiment;

Figure 3 is a front elevational view of a washing machine provided by at least one embodiment;

Figure 4 is a perspective view showing a state in which the detergent cartridge connecting tube of the at least one embodiment is not flowing;

Figure 5 is a perspective view showing a state in which a detergent cartridge connecting pipe provided by at least one embodiment has a water flow state;

Figure 6 is a front elevational view of a detergent box connecting tube provided by at least one embodiment;

7 is a perspective view of a window mat provided by at least one embodiment.

In the picture:

1. Mounting part; 2, shrapnel part; 21, elastic piece; 22, elastic mouth; 23, cutting gap; 24, reinforcing rib; 3, detergent box; 31, chamber tube; 4, washing outer tube; Port of the first outer tube; 5, detergent box connecting tube; 51, barrel connecting end; 52, cavity connecting end; 53, bellows; 54, U-shaped tube; 6, window mat; 62, the outer tube connecting portion; 63, the door body connecting portion; 7, the washing inner tube.

detailed description

Embodiment 1

As shown in FIG. 1 , the embodiment provides an overflow prevention structure of a washing machine, and the overflow prevention structure can be used for washing. The connection between the outer tube of the clothes machine and the detergent box or the outer tube of the washing machine and the air duct tube can prevent the washing foam from overflowing from the detergent box or overflowing the washing foam to the drying unit.

The overflow prevention structure of the washing machine includes a mounting portion 1 and a spring piece portion 2, wherein the mounting portion 1 has an annular structure and is installed in a duct of the washing machine. The elastic piece 2 is fixed to one end of the mounting portion 1. The elastic piece 2 includes at least two elastic pieces 21 which are sequentially spliced. The first end of each elastic piece 21 is fixed on the mounting portion 1, and each elastic piece 21 is away from each other. The second ends of the mounting portion 1 are sequentially spliced and closed. The shrapnel portion 2 can block the overflow of the foam in the barrel. When the at least one elastic segment 21 is subjected to external pressure, the second end of the at least one elastic segment 21 bounces off and forms a resilient opening 22 such that fluid flows out of the resilient port 22. The overflow prevention structure is tightly connected to the washing machine component through the mounting portion 1, and the foam is prevented from overflowing from the barrel through the elastic piece portion 2. The structure of the overflow prevention structure is simple, the parts are few, the cost is low, the assembly efficiency is high, and the connection with the washing machine component is achieved. Reliable and good sealing.

Optionally, as shown in FIG. 4, FIG. 5 and FIG. 7, the elastic piece 2 of the embodiment includes four elastic segments 21 of uniform size (elastic segment A, elastic segment B, elastic segment C, and elastic). Fragment D). A cutting slit 23 is respectively disposed between the adjacent two elastic segments 21 . When the fluid passes through the elastic piece portion 2, the fluid applies pressure to the four elastic segments 21, and the base portion (first end) of the elastic segment 21 may not be deformed, but the second end away from the base is under the action of pressure. Elastic deformation may occur such that the elastic segment 21 is bent to form the elastic port 22 shown in Fig. 5 such that fluid passes through the elastic port. Even if a small amount of residual water remaining in the detergent box 3 cannot deform the elastic segment 21, a small amount of residual water remaining can flow into the washing outer cylinder through the cutting slit 23. After the influent is completed, the elastic segment 21 returns to the closed state in Fig. 4, and the foam generated by the washing outer cylinder 4 cannot overflow the elastic segment 21.

Alternatively, the shrapnel portion 2 is of a unitary structure. Four elastic segments 21 (elastic segment A, elastic segment B, elastic segment C, and elastic segment D) are formed by an integral injection molding process, and four elastic segments 21 (elastic segment A, elastic segmentation) are ensured. B. Elastic segment C and elastic segment D) The gap at the splicing is small, which is difficult. Optionally, a wafer is produced, and the middle portion of the wafer is cross-cut by the tooling to form four elastic segments 21 separated from each other (elastic segment A, elastic segment B, elastic segment C, and elastic segment). The sheet D), the cutting slit 23 between the elastic sheets 21 is small, and the foam cannot pass through the cutting slit 23. The number of the elastic segments 21 can also be set to three or five, as long as the elastic segments 21 can be spliced together to form a whole body, preventing the foam from overflowing.

Optionally, the mounting portion 1 and the elastic piece portion 2 are integrally formed from an elastic rubber material, and the bottom of each elastic segment 21 is provided with a reinforcing rib 24, so that the overflow prevention structure is safe and reliable, and the overflow prevention is simplified. The manufacturing process of the structure prolongs the service life of the parts. The cross-sectional shape of the overflow prevention structure may be a circular shape, an elliptical shape, a rectangular shape or an irregular shape, so that the overflow prevention structure and the shape of a corresponding part on the washing machine (such as a chamber tube of a detergent box, a duct tube of a window pad, etc.) Fitted.

Embodiment 2

As shown in FIGS. 2 and 3, the present embodiment proposes a drum washing machine having the above-described washing machine overflow prevention structure, which includes a detergent box 3, a washing outer cylinder 4, and a washing inner cylinder 7. The bottom of the detergent box 3 is provided with a chamber tube 31. The end of the chamber tube 31 away from the detergent box 3 is connected to the first end of the detergent box connecting tube 5, the second end of the detergent box connecting tube 5 and the washing outer tube The port 41 of the upper first outer bobbin of the upper portion is in communication. The overflow prevention structure of the washing machine of this embodiment may be installed in the chamber tube 31, or may be installed at one end or both ends of the detergent box connecting tube 5, or may be installed in the port 41 of the first outer tube, the above several places. The position prevents the foam from entering the detergent box 3 and overflowing the washing machine through the detergent box 3.

Optionally, the detergent box connecting tube 5 is a rubber tube, and the detergent box connecting tube 5 includes a barrel connecting end 51 and a cavity connecting end 52 (as shown in FIG. 4-6), and the barrel connecting end 51 is sealingly connected to the washing outer tube. On the port 41 of the first outer bobbin 4, the chamber connecting end 52 is sealingly connected to the chamber tube 31 of the detergent box 3. The middle portion of the detergent box connecting pipe 5 is further provided with a bellows 53 which prevents the outer cylinder from being excessively shaken to cause vibration to the detergent box 3. The detergent box connecting tube 5 may further include a U-shaped tube 54, which can store a certain amount of liquid in the U-shaped tube 54, and can also prevent foam from overflowing.

Optionally, as shown in FIG. 4 and FIG. 5, in this embodiment, the overflow prevention structure is disposed at one end of the detergent box connecting tube 5, and is integrally formed with the detergent box connecting tube 5 by an injection molding process. When the washing machine enters the water, each elastic segment 21 of the shrapnel portion 2 is opened by the gravity of the water flow and the impact force, and the water flows into the washing machine drum. After the water inlet is completed, the elastic segment 21 is restored to the closed state under the action of its own elastic force. When the inside of the washing machine has a large amount of foam and overflows to the shrapnel portion 2, the closed shrapnel portion 2 blocks the foam, so that the foam cannot pass through the shrapnel portion, and the foam is prevented from entering the detergent box or overflowing the ground.

Embodiment 3

As shown in FIG. 2, FIG. 3 and FIG. 7, the present embodiment proposes a drum washing machine having an overflow prevention structure of a washing machine, which includes a window mat 6 and a washing outer cylinder 4. The first side of the window pad 6 is sealingly connected to the washing outer cylinder 4 via the outer cylinder connecting portion 62, and the second side of the window mat 6 is sealingly connected to the washing machine door through the door connecting portion 63. Optionally, the upper part of the window pad 6 is provided with a duct pipe 61, and the upper part of the washing outer cylinder 4 is provided with a second outer bobbin, and a drying air duct is connected between the air duct tube 61 and the second outer bobbin, and is dried. A heating unit and a fan unit are disposed in the air duct, and the air duct tube 61 is connected to the heating unit and the fan unit. The prevention of the washing machine of this embodiment The overflow structure may be installed in the air duct tube 61, or may be installed at one or both ends of the drying air duct, or may be installed in the second outer tube to prevent the foam from entering the heating unit and the fan unit.

Optionally, in this example, the overflow prevention structure is disposed at an end of the air duct tube 61, and the overflow prevention structure and the air duct tube 61 are integrally formed by an injection molding process. When the fan of the washing machine is stopped, since the gap between the plurality of elastic segments 21 in the overflow prevention structure is small, the foam cannot overflow into the duct pipe 61, and the heating unit and the fan unit are not affected. When heating and drying, the fan operates, and the airflow having a certain speed can cause the elastic portion 22 to form the elastic port 22 without affecting the heating and drying. The drum washing machine in this embodiment reduces the problem that the foam overflowing into the air duct tube in the washing outer cylinder 4 causes damage and electric shock of the washing machine component, improves the user experience and the reliability of the drying module, and improves the safety performance of the washing machine. .

Industrial applicability

The anti-overflow structure of the washing machine and the drum washing machine can reduce the phenomenon that the foam in the drum washing machine overflows to the detergent box and the foam overflows to the drying unit.

Claims

An anti-overflow structure of a washing machine, comprising a mounting portion (1) and a spring piece portion (2), wherein the mounting portion (1) is an annular structure, and the elastic piece portion (2) is fixed at one end of the mounting portion (1) The elastic piece portion (2) comprises at least two elastic pieces (21) which are sequentially spliced, and the first end of each elastic piece (21) is fixed on the mounting portion (1), and each elastic piece (21) The second end away from the mounting portion (1) is sequentially spliced and closed; when the at least one elastic segment (21) is subjected to external pressure, the second end of the at least one elastic segment (21) bounces to form a resilient opening (22) ).
The spill prevention structure according to claim 1, wherein the elastic piece portion (2) is a unitary structure, and an intermediate portion of the elastic piece portion (2) is divided by a cutting slit (23) to form the elastic piece (21). ).
The spill prevention structure according to claim 2, wherein the cutting slit (23) is of a cross type, and the elastic piece portion (2) forms four elastic pieces of uniform size through the cutting slit (23) (21) ).
The spill prevention structure according to any one of claims 1 to 3, wherein the bottom of the elastic segment (21) is provided with a reinforcing rib (24).
The spill prevention structure according to any one of claims 1 to 3, wherein the mounting portion (1) and the elastic piece portion (2) are integrally formed of an elastic rubber material.
A drum washing machine comprising the overflow prevention structure of the washing machine according to any one of claims 1-5.
A drum washing machine according to claim 6, comprising a detergent box (3) and a washing outer cylinder (4), wherein a bottom portion of the detergent box (3) is provided with a chamber tube (31), the washing unit The upper portion of the cylinder (4) is provided with a port (41) of the first outer bobbin, and a detergent box connecting tube (5) is connected between the chamber tube (31) and the port (41) of the first outer bobbin And the overflow prevention structure is installed in the chamber tube (31) or at both ends of the detergent box connecting tube (5) or in the port (41) of the first outer tube.
The drum washing machine according to claim 7, wherein the overflow prevention structure and the detergent box connecting tube (5) are integrally formed by an injection molding process.
A drum washing machine according to claim 6, comprising a window mat (6) and a washing outer cylinder (4), Wherein, the upper part of the window pad (6) is provided with an air duct tube (61); and the anti-overflow structure is installed in the air duct tube (61).
The drum washing machine according to claim 9, wherein the overflow prevention structure and the duct (61) are integrally formed by an injection molding process.