CN111218797B

CN111218797B - Drum type washing machine's waterproof box excessive water structure and drum type washing machine

Info

Publication number: CN111218797B
Application number: CN202010059965.3A
Authority: CN
Inventors: 吴英明; 杨梅华; 孙志辰; 郭一遥; 杨金; 黄翠玉; 李海斌
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2021-06-18
Anticipated expiration: 2040-01-19
Also published as: CN111218797A

Abstract

The invention discloses a water overflow structure of a waterproof box of a drum washing machine and the drum washing machine using the same, wherein the water overflow structure of the waterproof box comprises a first hose (3), a three-way pipe (4), a second hose (5) and a third hose (6), the three-way pipe (4) is a structure with three circulation ports, the upper part of a water inlet bent pipe (2) is connected with the three-way pipe (4) through the first hose (3), the lower part of a washing box (1) is connected with the three-way pipe (4) through the second hose (5), and the three-way pipe (4) is connected with a drain pipe (10) through the third hose (6). The water overflow structure of the waterproof box and the drum washing machine using the same can balance the air pressure of the drain pipe and solve the problem of water storage and drainage in the washing box, thereby improving the defoaming effect of the drum washing machine.

Description

Drum type washing machine's waterproof box excessive water structure and drum type washing machine

Technical Field

The invention relates to a drum washing machine structure and a drum washing machine, in particular to a water overflow structure of a waterproof box of the drum washing machine and the drum washing machine using the structure.

Background

At present drum type washing machine's defoaming mode is mostly when level sensor detects the unusual pressure in the bucket, and washing machine will get into the defoaming mode, and under this mode, washing machine is through getting into a large amount of water, carries out the foam that the inner tube was clear away in the rinsing again. However, the method not only consumes a lot of time and water, but also has an unsatisfactory defoaming effect, and is difficult to meet the laundry experience requirements of users. With the continuous development of washing technology and control technology and the updating and iteration of products, the defoaming mode of the drum washing machine is developed towards the direction of saving time and energy. Researches show that the method of balancing air pressure and guiding flow has very intuitive influence on defoaming of the drum washing machine.

The current industry of doing all can balance inner tube atmospheric pressure through adding a hose between washing box and urceolus, lets in water simultaneously and carries out the defoaming in to the urceolus, because a hose is connected between washing box and the urceolus for atmospheric pressure in the urceolus links to each other with atmospheric pressure, and aim at avoids in the urceolus because the accumulation of foam and the intake return bend that atmospheric pressure too big leads to blocks up. However, when the foam amount is too large, the air pressure still can be caused to be too large, the water inlet bent pipe is blocked, and then the foam can be accumulated in a large amount and cannot be discharged, so that defoaming work cannot be continued, meanwhile, the water inlet valve is continuously in an open state, so that the water amount of the water inlet bent pipe is accumulated, and finally, the accumulated water amount of the washing box can be caused to be too large, so that the water overflows to the outside, and therefore the existing technology cannot meet the defoaming requirement of the roller washing machine and can cause the overflow phenomenon.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a water overflow structure of a waterproof box of a drum washing machine, which not only can improve the defoaming effect, but also can prevent the water from overflowing.

Another object of the present invention is to provide a drum washing machine including the above waterproof box overflow structure.

The purpose of the invention is realized by the following technical scheme:

the water overflow structure of the waterproof box of the drum washing machine is characterized by comprising a first hose, a second hose, a third hose and a three-way pipe, wherein the three-way pipe is provided with three circulation ports, one end of the first hose is communicated with the first circulation port of the three-way pipe, and the other end of the first hose is communicated with the upper part of a water inlet bent pipe; one end of the second hose is communicated with the second circulation port of the three-way pipe, and the other end of the second hose is communicated with the lower part of the washing box; one end of the third hose is communicated with the third circulation port of the three-way pipe, and the other end of the third hose is communicated with the drain pipe.

The working principle of the water overflow structure of the waterproof box of the drum washing machine is as follows:

when entering a defoaming mode, the water inlet valve is in an open state, water flows into the outer barrel through the water inlet bent pipe, the washing box is communicated with the outside and is communicated with the water discharge pipe through the second hose, the three-way pipe and the third hose, so that the water discharge pipe and the outer barrel are communicated with the atmospheric pressure, the phenomenon that the air pressure in the outer barrel is too high is avoided at a first level, the water inlet bent pipe and the water discharge pipe are prevented from being blocked by foam, and meanwhile, the first hose is also communicated with the washing box through the water inlet bent pipe and plays a role in balancing the air pressure; when the air pressure of the outer barrel is abnormal due to factors such as excessive foam amount and the like, the water inlet bent pipe and the water outlet pipe are blocked by the foam, so that water in the water inlet bent pipe cannot enter the outer barrel, the water outlet pipe cannot normally discharge the water, the water in the water inlet bent pipe can be accumulated at the moment, the water level rises, when the water level reaches the position where the water inlet bent pipe is connected with the first hose, the first hose can drain the water into the water outlet pipe, on one hand, the water can be prevented from being accumulated in the washing box to cause overflow, on the other hand, the water drained into the water outlet pipe can be discharged by the water discharge pump on the water outlet pipe, the water discharge pump can take away the accumulated foam of the water outlet pipe (but the water discharge pump can not independently discharge the foam) during drainage, so as to dredge the water outlet pipe, the water outlet pipe and the outer barrel are communicated with the, thereby forming a virtuous cycle; when water accumulated in the water inlet bent pipe is too much and reaches the washing box, the second hose and the first hose conduct water together, so that the water conduction speed is increased, the problems of abnormal air pressure and overflow occurring successively are treated layer by layer in a progressive mode, the air pressure in the drainage pipe is effectively balanced, and the problem of overflow is solved.

Furthermore, the back of the washing box is provided with a water inlet hole which is connected with a water inlet electromagnetic valve through a hose; one side of washing box lower part is straight portion, the lateral part of washing box and the junction of straight portion are equipped with the washing box inlet opening with the return bend intercommunication of intaking.

Furthermore, the water inlet of the washing box is arc-shaped at the lower part of the washing box, and is square at the side part of the washing box.

Furthermore, the lower part of the washing box is also provided with an inclined part which is inclined upwards from the straight part, and the second hose is connected with the inclined part at the bottom of the washing box.

Further, the washing box is provided with a step structure protruding outward at the front of the inclined portion.

Furthermore, the upper portion of the water inlet elbow is of a vertical structure and is provided with a hole connected with the first hose, and the lower portion of the water inlet elbow is communicated with the outer barrel.

Furthermore, a plurality of clamping grooves for fixing the third hose are formed in the outer wall of the outer barrel, and one section of the third hose is directly fixed to the outer barrel.

Further, the draw-in groove is formed by two chucking arms setting relatively, and the one end of every chucking arm is straight section to fix on the urceolus, the other end is the segmental arc, is formed with the opening between the end of the segmental arc of two chucking arms.

Furthermore, the first hose and the water inlet bent pipe, the second hose and the lower part of the washing box, and the third hose and the drain pipe are connected by clamping.

Further, the outer barrel is communicated with the drain pipe through a drain bent pipe.

A drum washing machine comprises the above-mentioned water-overflow structure of the water-proof box.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the washing box is connected with the drain pipe through the second hose, the three-way pipe and the third hose, so that the drain pipe and the outer cylinder can balance air pressure through the second hose, the decrease of a defoaming effect caused by abnormal air pressure of the drain pipe and the outer cylinder is prevented, the washing box is prevented from overflowing, and the defoaming effect is improved.

2. According to the invention, the water inlet bent pipe is directly connected with the drain pipe through the first hose, the three-way pipe and the third hose, so that even if the inner part of the outer barrel is blocked, water can be smoothly drained into the drain pipe, thereby avoiding overflow of the washing box, solving the problem of water storage in the washing box, and meanwhile dredging the drain pipe to restore the washing machine to a normal defoaming state.

3. According to the invention, the first hose is arranged at the upper part of the water inlet bent pipe, the second hose is arranged at the washing box, so that when the water level on the water inlet bent pipe does not reach the part where the first hose is connected with the upper part of the water inlet bent pipe, a small amount of gas can be introduced into the first hose, the air pressure of the drain pipe is balanced by matching with the second hose, when the water level of the water inlet bent pipe reaches the part where the first hose is connected with the upper part of the water inlet bent pipe and does not permeate the part where the second hose is connected with the washing box, the first hose plays a role in draining water, and the second hose is still in a ventilation state and can play a role in balancing air pressure; when the water in the water inlet bent pipe overflows the washing box and overflows the part where the second hose is connected with the washing box, the second hose and the first hose are both in a drainage state, so that drainage of the washing box can be accelerated, and the washing box is ensured not to overflow.

Drawings

Fig. 1 is a front view of a first embodiment of a waterproof case overflow structure of a drum washing machine according to the present invention;

FIG. 2 is an enlarged view of the washing box, the water inlet elbow, the first hose, the second hose, the third hose, the three-way pipe and the like in FIG. 1;

fig. 3 is a side view of a first embodiment of a waterproof case flooding structure of a drum washing machine of the present invention;

fig. 4 is a plan view of a first embodiment of a waterproof case overflow structure of a drum washing machine according to the present invention;

fig. 5 is a perspective view of a first embodiment of a waterproof case overflow structure of a drum washing machine according to the present invention;

fig. 6 is a perspective sectional view of a first embodiment of a waterproof case overflow structure of a drum washing machine according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

in the figure: 1. a washing box; 2. a water inlet bent pipe; 3. a first hose; 4. a three-way pipe; 5. a second hose; 6. a third hose; 7. an outer cylinder; 8. a card slot; 9. a drain bend; 10. a drain pipe; 11. clamping a hoop; 12. a water inlet of the washing box; 13. and (3) a step structure.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1 to 5, the present invention is a water overflow structure of a waterproof box of a drum washing machine, comprising a first hose 3, a second hose 5, a third hose 6 and a three-way pipe 4, wherein the three-way pipe 4 has three flow ports, one end of the first hose 3 is communicated with the first flow port of the three-way pipe 4, and the other end is communicated with the upper part of a water inlet elbow pipe 2; one end of the second hose 5 is communicated with the second circulation port of the three-way pipe 4, and the other end is communicated with the lower part of the washing box 1; one end of the third hose 6 is communicated with a third circulation port of the three-way pipe 4, and the other end of the third hose is communicated with the drain pipe 10.

Referring to fig. 1-5, the back of the washing box 1 is provided with a water inlet hole, and the water inlet hole is connected with a water inlet electromagnetic valve through a hose; one side of washing box 1 lower part is straight portion, the lateral part of washing box 1 is equipped with the washing box inlet opening 12 with the intercommunication of inlet elbow 2 with the junction of straight portion. Water enters the washing box 1 through the hose and the water inlet, and then enters the outer barrel of the washing machine through the water inlet bent pipe 2.

Referring to fig. 5, the water inlet 12 of the washing box is arc-shaped at the lower part of the washing box 1, and is square at the side part of the washing box 1, and can be matched with the shape of the water inlet bent pipe 2 to realize the communication between the water inlet bent pipe 2 and the washing box 1, so that the structure of the connection part is more compact.

Referring to fig. 1-5, the lower portion of the washing box 1 is further provided with an inclined portion inclined upward from a straight portion, the second hose 5 is connected to the inclined portion at the bottom of the washing box 1, inlet portions of the first hose 3 and the second hose 5 are located on different horizontal lines, the second hose 5 is in an air inlet state at the beginning, when an overflow phenomenon occurs, the second hose 5 is matched with the first hose 3 to drain water, and the problems of air pressure abnormality and overflow which occur in succession can be processed in a layer-by-layer manner. And, the second hose 5 is connected to the inclined portion of the bottom of the washing case 1, so that water does not flow in from the second hose 5 at the time of normal water inflow, and the air pressure of the drain pipe 10 can be balanced.

Referring to fig. 1, 2 and 5, the washing box 1 is provided with an outwardly protruding step structure 13 at the front of the inclined portion, and a space is formed at the step structure 13 to correspond to the overall structure of the washing machine itself.

Referring to fig. 1-3 and 5, the upper portion of the water inlet elbow 2 is of a vertical structure and is provided with a hole connected with the first hose 3, and the lower portion of the water inlet elbow 2 is communicated with the outer cylinder 7, so that when the water inlet elbow 2 enters the outer cylinder 7, the first hose 3 does not enter water but enters air, thereby avoiding waste of water and balancing the air pressure of the water outlet pipe 10 by introducing more air.

Referring to fig. 1, 3 and 5-7, a plurality of clamping grooves 8 for fixing the third hose 6 are arranged on the outer wall of the outer cylinder 7, and a section of the third hose 6 is directly fixed on the outer cylinder 7, so that the outer cylinder 7 is prevented from colliding with the third hose 6 during vibration, and abnormal sound is reduced.

Referring to fig. 3 and 5-7, the clamping groove 8 is formed by two opposite clamping arms, one end of each clamping arm is a straight section and is fixed on the outer cylinder 7, the other end of each clamping arm is an arc-shaped section, an opening is formed between the tail ends of the arc-shaped sections of the two clamping arms, and the clamping groove is an elastic clamping structure which is convenient for installing the third hose 6 in the clamping groove 8.

Referring to fig. 1-3 and 5, the first hose 3 and the water inlet elbow 2, the second hose 5 and the lower part of the washing box 1, and the third hose 6 and the water discharge pipe 10 are connected by the clips 11, so that the connection is simple, the cost is saved, and the consistency of the used parts is ensured.

Referring to fig. 1 and 5, the outer cylinder 7 is communicated with a drain pipe 10 through a drain elbow 9, and water and foam in the outer cylinder 7 are discharged into the drain pipe 10.

Referring to fig. 1 to 7, the operation principle of the water-overflowing structure of the waterproof box of the drum washing machine of the present embodiment is as follows: when entering a defoaming mode, the water inlet valve is in an open state, water flows into the outer barrel 7 through the water inlet bent pipe 2, the washing box 1 is communicated with the outside, the washing box 1 is communicated with the water discharge pipe 10 through the second hose 5, the three-way pipe 4 and the third hose 6, so that the water discharge pipe 10 and the outer barrel 7 are communicated with the atmospheric pressure, the phenomenon that the air pressure in the outer barrel 7 is too high is avoided on a first level, the water inlet bent pipe 2 and the water discharge pipe 10 are prevented from being blocked by foam, and meanwhile, the first hose 3 is also communicated with the washing box 1 through the water inlet bent pipe 2 to play a role in balancing the air pressure; when the air pressure of the outer cylinder 7 is abnormal due to factors such as excessive foam amount, the water inlet bent pipe 2 and the water outlet pipe 10 are blocked by the foam, so that the water in the water inlet bent pipe 2 cannot enter the outer cylinder 7, the water outlet pipe 10 cannot normally discharge the water, at the moment, the water in the water inlet bent pipe 2 is accumulated, the water level rises, when the water level reaches the position where the water inlet bent pipe 2 is connected with the first hose 3, the first hose 3 can drain the water into the water outlet pipe 10, on one hand, the water can be prevented from being accumulated in the washing box 1 to cause overflow, on the other hand, the water drained into the water outlet pipe 10 can be discharged by a drainage pump on the water outlet pipe 10, the foam accumulated in the water outlet pipe 10 can be taken away together by the drainage pump during drainage (but the drainage pump cannot independently discharge the foam), so as to dredge the water outlet pipe 10 and the outer cylinder 7 to be, the blockage problem is solved, so that the defoaming work is recovered to be normal, and a virtuous circle is formed; when too much water is accumulated in the water inlet bent pipe 2 and reaches the washing box 1, the second hose 5 and the first hose 3 conduct drainage together, so that the drainage speed is increased, the problems of abnormal air pressure and overflow occurring successively are treated layer by layer in a progressive mode, the air pressure in the drain pipe 10 is effectively balanced, and the problem of overflow is solved.

Example 2

The present embodiment provides a drum washing machine to which the water overflowing structure of the waterproof box of the drum washing machine of the present invention is applied.

The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims

1. The overflow structure of the waterproof box of the drum washing machine is characterized by comprising a first hose (3), a three-way pipe (4), a second hose (5) and a third hose (6), wherein the three-way pipe (4) is of a structure with three circulation ports, the upper part of a water inlet bent pipe is connected with the three-way pipe (4) by the first hose (3), the lower part of a washing box (1) is connected with the three-way pipe (4) by the second hose (5), and the three-way pipe (4) is connected with a drain pipe (10) by the third hose (6);

the lower part of the washing box (1) is also provided with an inclined part which is inclined upwards from a straight part, and a second hose (5) is connected to the inclined part at the bottom of the washing box (1); the washing box (1) is provided with a step structure (13) protruding outwards at the front part of the inclined part;

the back of the washing box (1) is provided with a water inlet hole which is connected with a water inlet electromagnetic valve through a hose; one side of washing box (1) lower part is straight portion, the lateral part of washing box (1) is equipped with washing box inlet opening (12) with the return bend intercommunication of intaking with the junction of straight portion.

2. The waterproof box overflow structure of a drum washing machine according to claim 1, wherein the washing box inlet hole (12) is arc-shaped at the lower part of the washing box (1) and square at the side part of the washing box (1).

3. The flashing structure of the waterproof box of the drum washing machine according to claim 1, wherein the upper portion of the water inlet elbow is a vertical structure and is provided with a hole connected with the first hose (3), and the lower portion of the water inlet elbow is communicated with the outer tub (7).

4. The overflow structure of the waterproof box of the drum washing machine according to any one of claim 3, characterized in that a plurality of slots (8) for fixing the third hose (6) are arranged on the outer wall of the outer drum (7), and a section of the third hose (6) is directly fixed on the outer drum (7).

5. The overflow structure of the waterproof box of the drum washing machine according to claim 4, wherein the locking groove (8) is formed by two opposite clamping arms, one end of each clamping arm is a straight section and fixed on the outer drum (7), the other end is an arc section, and an opening is formed between the ends of the arc sections of the two clamping arms.

6. The overflow structure of the waterproof box of the drum washing machine according to any one of claims 1 to 3 and 5, wherein the first hose (3) and the water inlet elbow, the second hose (5) and the lower part of the washing box (1), and the third hose (6) and the water outlet pipe (10) are connected by a clamp (11).

7. The waterproof box overflow structure of a drum washing machine according to claim 3, characterized in that the outer tub (7) and the drain pipe (10) are communicated through a drain elbow (9).

8. A drum washing machine characterized by comprising the waterproof box overflow structure of the drum washing machine according to any one of claims 1 to 7.