CN214300860U - Washing machine - Google Patents

Abstract

The utility model provides a washing machine, which relates to the technical field of washing machines and comprises a washing barrel, wherein a multifunctional joint with water inlet and exhaust functions is arranged at the water inlet side of the washing barrel; the multifunctional joint is provided with a liquid inlet, a liquid outlet, an air inlet, an air outlet, a water cavity and an air cavity, wherein the water cavity is formed on the multifunctional joint and is internally communicated with the liquid inlet and the liquid outlet, and the air cavity is communicated with the air inlet and the air outlet; the water cavity and the air cavity are mutually independent; the water inlet of the washing barrel is communicated with the liquid outlet and the air inlet of the multifunctional joint; the liquid inlet of the multifunctional joint is communicated with a water supply pipeline of the washing machine; the exhaust port of the multifunctional joint is communicated with the atmosphere or an exhaust manifold. The multifunctional joint of the washing machine can realize three functions of water inlet, defoaming and air exhaust, and simultaneously simplifies the pipeline arrangement by combining the design of the exhaust main pipe, thereby reducing the occupied space of a pipeline system and lowering the production and assembly cost; the problem that a water inlet structure of the washing machine only has a water inlet function and has no defoaming and exhausting functions is solved.

Description

Washing machine

Technical Field

The invention relates to the technical field of washing machines, in particular to a washing machine.

Background

With the improvement of the living standard of people, the multi-tub washing machine becomes an indispensable household appliance for people, but the multi-tub washing machine can cause problems when being used, and influences the user experience and even the safety. At present, multi-tub washing machine is in the washing process, owing to use high bubble detergent or put into excessive detergent, leads to producing a large amount of foams in the washing process easily, if the foam can't effectively be eliminated, not only can influence clothing washing effect, can cause the influence to the work of dehydration moreover, if the dehydration is unsuccessful or the vibration is big etc. and then influences user experience and multi-tub washing machine's structural life. Therefore, the defoaming design of the multi-tub washing machine is required, but the rapid defoaming in the prior art is a big problem, and the foam generated by the multi-tub washing machine overflows from the tub, so that the short circuit of the multi-tub washing machine is easily caused to cause electric shock accidents. Meanwhile, in the prior art, a plurality of water inlet pipelines and exhaust pipelines of the multi-drum washing machine are complex in design and inconvenient to install.

Therefore, a new technical scheme is provided, and the problem that the water inlet and exhaust pipeline system of the washing machine is complex in the prior art is solved.

Disclosure of Invention

In view of the above, the present invention provides a washing machine, which uses a multifunctional joint with water inlet and air exhaust functions to make the water inlet structure of the washing machine have both water inlet function and air exhaust function, thereby solving the problem of complex water inlet and air exhaust pipeline system of the multi-tub washing machine in the prior art.

In order to achieve the above object, the invention adopts the following technical scheme: a washing machine comprises a washing barrel, wherein a multifunctional joint with water inlet and air exhaust functions is arranged at the water inlet side of the washing barrel; the multifunctional joint is provided with a liquid inlet, a liquid outlet, an air inlet, an air outlet, a water cavity and an air cavity, wherein the water cavity is formed on the multifunctional joint and is internally communicated with the liquid inlet and the liquid outlet, and the air cavity is communicated with the air inlet and the air outlet; the water cavity and the air cavity are mutually independent; the water inlet of the washing barrel is communicated with the liquid outlet and the air inlet of the multifunctional joint; the liquid inlet of the multifunctional joint is communicated with a water supply pipeline of the washing machine; and the exhaust port of the multifunctional joint is communicated with the atmosphere or an exhaust main pipe.

Further optionally, the washing machine includes a plurality of washing tubs, at least one of the washing tubs has the multifunctional joint at the water inlet side, and the air outlet of the multifunctional joint is communicated with the air outlet main pipe through an air outlet branch pipe.

Further optionally, a bubble breaking structure for breaking bubbles is formed on an inner wall of the air chamber connecting between the air inlet and the air outlet.

Further optionally, the exhaust main pipe is provided with an atmosphere communication hole at a position higher than a water inlet of the highest-position washing tub of the washing machine, and is provided with a liquid discharge port at a position equal to or lower than a water discharge port of the lowest-position washing tub of the washing machine, and the liquid discharge port is communicated with a water discharge assembly of the washing machine.

Further optionally, the liquid outlet and the air inlet of the multifunctional joint are arranged on the same side of the multifunctional joint; the water inlet of wash tub with connect a inlet tube between the liquid outlet of multi-functional joint, the air inlet, inlet tube one end with the water inlet of wash tub is connected, the other end with the multi-functional joint is provided with the distolateral connection of liquid outlet, air inlet simultaneously.

Further optionally, the water inlet pipe is a bellows.

Further optionally, the washing tub of the washing machine comprises an inner tub and an outer tub, and the washing tub water inlet is disposed on the outer tub.

Further optionally, the washing machine is provided with a shunt valve, the shunt valve is provided with water outlet holes corresponding to the number of the multifunctional joint liquid inlet holes of the at least one washing barrel, each multifunctional joint liquid inlet hole is connected to the water outlet hole corresponding to the shunt valve, and the water inlet hole of the shunt valve is connected with a water supply pipe.

Further optionally, the washing machine further comprises an overflow assembly for discharging bubbles and/or water overflowing from the inside of the outer tub out of the washing machine, the overflow assembly comprising:

an overflow port provided on an outer tub of the washing machine;

and an overflow pipe having one end communicated with the overflow port and the other end communicated with a drain assembly of the washing machine.

Further optionally, an overflow connector is arranged on the drainage assembly, and the other end of the overflow pipe is communicated with the drainage assembly through the overflow connector.

Further optionally, the multifunctional joint comprises:

the joint body is divided into a water cavity and an air cavity which are mutually independent by a partition plate; a bubble breaking structure capable of breaking bubbles is formed on the inner wall of the air cavity connected between the air inlet and the air outlet; the position of the air outlet on the joint body is higher than or equal to the position of the air inlet, the bubble breaking structure is higher than or equal to the position of the air inlet, and liquid formed after bubbles are broken by the protrusions can be discharged from the air inlet along the inner wall of the air cavity.

Further optionally, the bubble breaking structure comprises a protrusion formed on an inner wall of the air cavity, the protrusion having a free end extending into the hollow interior of the air cavity.

Further optionally, the plurality of protrusions are arranged and staggered along the direction of the gas flowing to the gas outlet.

Further optionally, the air cavity comprises an exhaust chamber and a defoaming chamber, the air inlet is communicated with the exhaust chamber, the air outlet is communicated with the defoaming chamber, a communication hole is formed between the exhaust chamber and the defoaming chamber, the diameter of the communication hole is smaller than the maximum diameter of the exhaust chamber, the position of the air outlet is higher than or equal to the position of the communication hole, and the position of the communication hole is higher than or equal to the position of the air inlet.

Further optionally, one end of the air outlet of the defoaming chamber, which is communicated with the atmosphere, is connected with one end of an air exhaust branch pipe, which is communicated with the atmosphere, and the other end of the air exhaust branch pipe is communicated with the air exhaust main pipe.

Further optionally, a porous structure facing the liquid flow direction is formed on the inner wall of the exhaust branch pipe.

Further optionally, the protrusion is formed on an inner wall of the defoaming chamber of the air chamber.

Further alternatively, the protrusion is provided at the communication hole, blocking a part of the communication hole.

Further optionally, the water cavity and the air cavity are formed up and down; the exhaust chamber and the defoaming chamber of the air cavity are formed up and down; the defoaming chamber is positioned above the exhaust chamber, and the exhaust chamber is positioned above the water cavity; the protrusions include a first protrusion and a second protrusion, wherein:

the first protrusion is formed at the communication hole to shield a portion of the communication hole; the second protrusion is formed on an inner wall of the defoaming chamber of the air chamber; and the first protrusions and the second protrusions are arranged in a staggered manner.

Further optionally, the multifunctional joint is a reducing structure, wherein the diameter of the liquid inlet is smaller than that of the liquid outlet.

Further optionally, the water cavity includes intake antrum and goes out the water cavity, the diameter in intake antrum is less than the diameter of going out the water cavity, and both transversely set up together and all have circular cross section, the inlet sets up the intake antrum is kept away from the one end side of going out the water cavity, the liquid outlet sets up in the one side of going out the water cavity and keeping away from the intake antrum, the intake antrum with it forms an arc water conservancy diversion structure to go out between the water cavity, arc water conservancy diversion structure makes and follows the intake antrum flows in the water cavity's water flows in along the inner wall tangential of going out the water cavity.

Further optionally, a highest point of the circular cross-section of the liquid inlet is tangent to a lowest point of the circular cross-section of the liquid outlet.

The invention provides a multi-barrel washing machine, which realizes the following beneficial effects through the design of a multifunctional joint and a pipeline for water inlet of the multi-barrel washing machine:

1. the multifunctional joint of the washing machine can realize three functions of water inlet, defoaming and air exhaust, simplify the pipeline arrangement, reduce the occupied space of a pipeline system and reduce the production and assembly cost; the problem that a water inlet structure of the washing machine only has a water inlet function and has no defoaming and exhausting functions is solved.

2. The multifunctional joint can effectively eliminate foam, and the foam is retained in the cylinder by using a pipeline design, so that the foam is prevented from overflowing, and the potential safety hazard of electricity is avoided;

3. the multifunctional joint adopts the reducing design, so that the impact of water flow on the inner barrel when the washing machine enters water can be reduced, the washing noise of the washing machine is reduced, and the user experience is improved; the multifunctional joint has compact structure, high stability, comprehensive functions and convenient installation;

4. the design of the exhaust main pipe is utilized to realize the integration of the exhaust system of the multi-barrel washing machine, and the problems of complex pipeline system, large space occupation of the washing machine and production cost increase of the multi-barrel washing machine are solved.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.

FIG. 1 is a sectional view of a multi-function joint of a washing machine according to an embodiment of the present invention;

FIG. 2 is a perspective view of a multi-function joint of a washing machine according to an embodiment of the present invention;

FIG. 3 is a front view of the multi-function joint of the washing machine in an embodiment of the present invention;

FIG. 4 is a right side view of the multi-function joint of the washing machine in accordance with one embodiment of the present invention;

FIG. 5 is a schematic view of a water inlet assembly of the washing machine according to an embodiment of the present invention;

FIG. 6 is a schematic view of a first washing tub of a washing machine according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structural assembly of the washing machine in one embodiment of the present invention;

fig. 8 is an exploded view of an assembly structure of a washing machine according to an embodiment of the present invention.

In the figure:

1-a first washing tub; 101-a water inlet; 102-overflow; 2-a second washing tub; 3-a third washing tub; 4-a multifunctional joint; 41-a separator; 42-a water chamber; 421-liquid inlet; 422-a liquid outlet; 43-air cavity; 431-air inlet; 432-vent; 433-an exhaust chamber; 434-a de-bubbling chamber; 435-communicating hole; 436 — a first protrusion; 437-second projection; 5-a first water inlet hose; 6-a second water inlet hose; 7-a third water inlet hose; 8-an exhaust manifold; 81-branch communicating hole; 9-an overflow pipe; 10-an overflow interface; 11-an exhaust branch pipe; 12-a porous structure; 13-a drainage assembly; 14-a frame body; 15-a shunt valve; 16-water inlet pipe

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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

Among the prior art washing machine, especially multi-tub washing machine, because its washing bucket is not one, lead to the framework inside pipe more, the structure is complicated, and the installation is troublesome, occupies too much inner space moreover, under the originally limited prerequisite in space, is unfavorable for the control of complete machine volume. The multi-barrel washing machine with the exhaust and bubble breaking structure adopts an integrated exhaust structure, and the plurality of barrels unify one exhaust main pipe, so that the pipeline arrangement is simplified, the occupied space of a pipeline system is reduced, and the production and assembly cost is reduced.

Example 1

As shown in fig. 1-8, the present embodiment provides a washing machine, which comprises a plurality of washing tubs, wherein a multifunctional joint 4 with water inlet and air exhaust functions is arranged at the water inlet 101 side of at least one washing tub; the multifunctional joint 4 is provided with a liquid inlet 421, a liquid outlet 422, a gas inlet 431, a gas outlet 432, a water cavity 42 which is formed on the multifunctional joint 4 and is internally communicated with the liquid inlet 421 and the liquid outlet 422, and a gas cavity 43 which is communicated with the gas inlet 431 and the gas outlet 432; the water chamber 42 and the air chamber 43 are independent from each other; the water inlet 101 of the washing barrel is communicated with the liquid outlet 422 and the air inlet 431 of the multifunctional joint 4; the liquid inlet 421 of the multifunctional joint 4 is communicated with a water supply pipeline of the washing machine; and the liquid inlet 421 of the multifunctional joint 4 is communicated with a water supply pipeline of the washing machine; the exhaust ports 432 of the multifunction connectors 4 are all communicated with the exhaust manifold 8 through the exhaust branch pipes 11.

The multifunctional joint that many barrel washing machine in this embodiment used at the procedure of intaking has multi-functionally, make this washing machine realize intaking, exhaust function is in an organic whole, simultaneously when the excessive foam spills over in the bucket, can also play the effect of defoaming and row bubble, can solve among the prior art washing machine potential safety hazard because of defoaming and exhaust bring, this structure collection is multi-functional integrative simultaneously, be convenient for install and use, improve user experience and feel, design the calandria way simultaneously, it is complicated to utilize exhaust manifold to solve washing machine piping system, occupy the great space of washing machine and increase manufacturing cost problem. The multi-drum washing machine can avoid the problem of cross contamination in the cleaning process, and simultaneously, the design of the exhaust main pipe and the multifunctional joint is utilized to optimize the internal pipeline design of the multi-drum washing machine.

As shown in fig. 5, it is preferable for the pipe design in the frame 14 of the multi-tub washing machine that the liquid outlet 422 and the air inlet 431 of the multi-functional joint 4 are disposed on the same side of the multi-functional joint 4; a water inlet pipe 16 is connected between the water inlet 101 of the washing barrel and the liquid outlet 422 and the air inlet 431 of the multifunctional joint 4, one end of the water inlet pipe 16 is connected with the water inlet 101 of the washing barrel, and the other end of the water inlet pipe is connected with the end side of the multifunctional joint 4 which is provided with the liquid outlet 422 and the air inlet 431. Further preferably, the inlet pipe 16 is a bellows. The water inlet device has good shock absorption and noise reduction effects in the water inlet process, reduces the bending of other pipelines, and prolongs the service life of the pipelines. Preferably, the washing tub of the washing machine includes an inner tub and an outer tub, and the washing tub water inlet 101 is provided on the outer tub. Preferably, the washing machine is provided with a shunt valve 15, the shunt valve 15 is provided with water outlet holes corresponding to the number of the liquid inlet holes 421 of the multifunctional joints 4 of at least one washing barrel, each liquid inlet hole 421 of the multifunctional joint 4 is connected to the water outlet hole corresponding to the shunt valve 15, and the water inlet hole of the shunt valve 15 is connected with a water supply pipe. Further preferably, the liquid inlet 421 of the multi-functional joint 4 is connected to the corresponding water outlet of the shunt valve 15 through a water inlet hose.

As described above with respect to the design of the water inlet line and the exhaust line, as shown in fig. 8, it is preferable that the exhaust manifold 8 is provided with an atmosphere communication hole 435 at a position higher than the water inlet 101 of the washing tub at the highest position of the washing machine and a drain hole at a position equal to or lower than the drain hole of the washing tub at the lowest position of the washing machine, the drain hole being communicated with the drain assembly 13 of the washing machine. In order to connect the exhaust ports of the multifunctional joints with the exhaust manifold, it is further preferable in this embodiment that the exhaust manifold 8 is provided with branch communication holes 81, wherein a plurality of exhaust branches 11 are correspondingly connected to the exhaust ports of the multifunctional joints, and the exhaust branches are all communicated with the exhaust manifold 8 through the branch communication holes 81.

In consideration of the user requirements and the production cost, in this embodiment, it is preferable that the multi-tub washing machine has three washing tubs, a first washing tub 1, a second washing tub 2 and a third washing tub 3, wherein a water inlet 101 is provided on a corresponding outer tub on each washing tub, and a liquid outlet 422 of the multifunctional joint 4 is communicated with the water inlet 101 through a water inlet pipe 16, so as to realize water inlet to different washing tubs; the liquid inlets 421 of the multifunctional joints are respectively corresponding to the water inlet hoses of the different washing tubs, namely, the first water inlet hose 5, the second water inlet hose 6 and the third water inlet hose 7, wherein each water inlet pipe is communicated with an external water source through the corresponding shunt valve 15, and finally, the water inlet of the three different washing tubs is realized.

Considering that when the water inlet system of the washing machine is obstructed, for example, when water is fed, the liquid level sensor of the washing machine fails, which results in that the washing machine cannot judge the water inlet amount of the washing machine, the water inlet valve cannot be automatically closed during washing, and the water discharge valve is opened, so as to avoid the occurrence of safety accidents caused by overhigh water level in the tub of the washing machine, therefore, the multi-tub washing machine provided by the embodiment can not only integrate the functions of air discharge, water inlet and defoaming, but also increase the design of overflow protection, as shown in fig. 6, preferably, the washing machine further comprises an overflow component for discharging the foam and/or water overflowing from the inner part of the outer tub out of the multi-tub washing machine, and the overflow component comprises: an overflow port 102 provided on an outer tub of the washing machine; the overflow pipe 9 has one end communicating with the overflow 102 and the other end communicating with the drain assembly 13 of the multi-tub washing machine. Preferably, the drainage assembly 13 is provided with an overflow port 10, and the other end of the overflow pipe 9 is communicated with the drainage assembly 13 through the overflow port 10. The overflow structure is arranged behind the drainage component, and can effectively play a role in overflowing. Preferably, the overflow arrangement is located at two thirds of the height of the drum. Preferably, the drain assembly includes a drain valve having one end connected to the outer tub of the washing machine by a hose and the other end connected to a sewer of a user's home by a drain pipe. And a tee joint is arranged behind the drainage component and used for drainage of the overflow structure.

In order to further improve the defoaming and foam discharging capability of the multi-tub washing machine, in the present embodiment, it is preferable that a bubble breaking structure capable of breaking bubbles is formed on the inner wall of the air chamber 43 connecting between the air inlet 431 and the air outlet 432. Regarding the design of the multifunction connector provided with the bubble breaking structure, as shown in fig. 1 to 5 in this embodiment, it is preferable that the multifunction connector 4 includes: the joint body is divided into a water cavity 42 and an air cavity 43 which are mutually independent by a partition plate 41; a bubble breaking structure for breaking bubbles is formed on the inner wall of the air chamber 43 connecting the air inlet 431 and the air outlet 432; the position of the air outlet 432 on the joint body is higher than or equal to the position of the air inlet 431, the bubble breaking structure is higher than or equal to the position of the air inlet 431, and liquid formed after bubbles are broken by the protrusions can be discharged from the air inlet 431 along the inner wall of the air cavity 43. The foam breaking structure in the multifunctional joint can break foam overflowing from the outer barrel of the washing machine to become liquid, and the liquid flows back to the inner barrel of the washing machine through the water inlet pipeline.

As for the bubble breaking structure that plays a role of defoaming, it is preferable in the present embodiment that the bubble breaking structure includes a protrusion formed on the inner wall of the air chamber 43, the protrusion having a free end protruding toward the hollow inside of the air chamber 43. In order to improve defoaming efficiency, it is further preferable that a plurality of protrusions are provided and formed to be staggered in the direction in which the gas flows toward the exhaust port 432.

In the present embodiment, in order to improve defoaming efficiency, not only the bubble breaking structure is optimized, but also the structure of the second chamber is designed, and preferably, the air chamber 43 includes an air discharge chamber 433 and a defoaming chamber 434, the air inlet 431 is communicated with the air discharge chamber 433, the air outlet 432 is communicated with the defoaming chamber 434, a communication hole 435 is formed between the air discharge chamber 433 and the defoaming chamber 434, the diameter of the communication hole 435 is smaller than the maximum diameter of the air discharge chamber 433, the position of the air outlet 432 is higher than or equal to the position where the communication hole 435 is disposed, and the position of the communication hole 435 is higher than or equal to the position where the air inlet 431 is disposed. Preferably, the protrusion is formed on the inner wall of the defoaming chamber 434 of the air chamber 43. The defoaming efficiency is improved, defoaming is performed at the first time, and it is further preferable that protrusions are provided at the communication holes 435 to shield part of the communication holes 435. Preferably, the protrusions cause the exhaust gas to flow first toward the protrusions near the communication holes 435 when entering the bubble removal chamber 434.

As shown in fig. 3, in order to fully exert the air discharging, defoaming and water feeding functions of the multifunctional joint, it is preferable that the water chamber 42 and the air chamber 43 are formed in the upper and lower directions with respect to the structure of the multifunctional joint in the present embodiment; the air discharge chamber 433 and the defoaming chamber 434 of the air chamber 43 are formed up and down; the defoaming chamber 434 is positioned above the exhaust chamber 433, and the exhaust chamber 433 is positioned above the water cavity 42; the protrusions include a first protrusion 436 and a second protrusion 437, wherein: a first protrusion 436 is formed at the communication hole 435, blocking part of the communication hole 435; the second protrusion 437 is formed on the inner wall of the defoaming chamber 434 of the air chamber 43; and the first and second protrusions 436 and 437 are alternately disposed. Keep off the foam and enter into the second cavity indoor time, preferentially through the exhaust chamber, the foam can overflow on the intercommunicating pore, first protruding on the intercommunicating pore preferentially makes a large amount of foams break, simultaneously the foam is under first protruding effect of blockking, continue to rise in the defoaming space, protruding broken through the second, the foam after breaking becomes liquid, can discharge from the air inlet along the second cavity inner wall, this structure can prevent that the foam from overflowing, avoid electrical safety hidden danger, exhaust function has simultaneously, the security of product is improved. In order to save the manufacturing process, it is preferable that the second protrusion 437 be detachably mounted on the multifunction connector 4.

In order to improve the defoaming effect of the multi-functional joint, it is preferable that the first protrusion 436 and the second protrusion 437 are in the form of a rib. Of course, without being limited to the above-mentioned solutions, the protrusions may also be designed as a grid-like sheet structure with different densities. In addition to the optimized design of the shape of the protrusion structure, the present embodiment also designs the distance between the protrusions, preferably, the distance between the first protrusion 436 and the second protrusion 437 is 10mm-40mm, which ensures that small foam can be effectively broken. Preferably, the inner diameter of the bubble removing chamber is equal to the inner diameter of the communication hole 435, and the protruding lengths of the first protrusion 436 and the second protrusion 437 are equal to the radius of the communication hole 435.

In order to improve the defoaming effect of the multifunctional joint exhaust, the exhaust pipeline arrangement of the washing machine is optimized, as shown in fig. 1, preferably, one end of the exhaust port 432 of the defoaming chamber 434, which is communicated with the atmosphere, is connected with one end of an exhaust branch pipe 11, which is communicated with the atmosphere, and the other end of the exhaust branch pipe 11 is communicated with the corresponding exhaust branch pipe 11. Further preferably, the inner wall of the exhaust branch pipe 11 is formed with a porous structure 12 facing the liquid flow direction, so that the risk of foam overflow can be further reduced. The porous structure is arranged on the inner cross-section of the exhaust branch pipe 11 at an angle, preferably equal to 90 °, to the liquid and/or gas bubbles flowing towards the porous structure.

In order to improve this multifunctional joint's user experience and feel, the noise problem that produces about the water inlet process has been handled in this implementation, and is preferred, multifunctional joint be reducing structure, and wherein the diameter of inlet 421 is less than the diameter of outlet 422. Further preferably, the water cavity 42 includes a water inlet cavity and a water outlet cavity, the diameter of the water inlet cavity is smaller than that of the water outlet cavity, the water inlet cavity and the water outlet cavity are transversely arranged together and have a circular cross section, the liquid inlet 421 is arranged on one end side of the water inlet cavity far away from the water outlet cavity, the liquid outlet 422 is arranged on one side of the water outlet cavity far away from the water inlet cavity, an arc-shaped flow guide structure is formed between the water inlet cavity and the water outlet cavity, and the arc-shaped flow guide structure enables water flowing into the water outlet cavity from the water inlet cavity to flow in along the tangential direction of the inner wall of the water outlet cavity. It is further preferred that the highest point of the circular cross-section of the liquid inlet 421 is tangent to the lowest point of the circular cross-section of the liquid outlet 422. Can be effectual carry out the partial pressure to this multi-functional joint's rivers to can make rivers scatter along the pipe wall effectively, reduce the production of noise greatly.

This implement provides a multi-tub washing machine, the multifunctional joint that its adopted can realize into water, the defoaming, three big effects of exhaust, when multi-tub washing machine's section of thick bamboo internal gas pressure was too high, gaseous can be followed the exhaust hole and discharged, maintain a section of thick bamboo internal gas pressure balance, it is unusual to avoid the section of thick bamboo internal gas pressure high to cause into the drainage, simultaneously, when producing the high bubble phenomenon in the washing machine barrel, the foam can overflow on the intercommunicating pore, first protruding and the protruding foam that can effectively make of second break, after the foam becomes liquid, can also flow back to the washing machine inner tube through this commentaries on classics multifunctional joint, this structure can prevent that the foam from overflowing, avoid electrical safety hidden danger. The multifunctional joint adopts the reducing design, so that the impact of water flow on the inner barrel in the water inlet process can be reduced, the washing noise of the washing machine is reduced, and the user experience is improved; the multifunctional joint water inlet pipeline design and the exhaust pipeline with the exhaust main pipe are adopted, so that the pipeline arrangement is simplified, the occupied space of a pipeline system is reduced, and the production and assembly cost is reduced.

Example 2

The embodiment provides a washing machine, which comprises a washing barrel, wherein a multifunctional joint 4 with water inlet and air exhaust functions is arranged at the water inlet 101 side of the washing barrel; the multifunctional joint 4 is provided with a liquid inlet 421, a liquid outlet 422, a gas inlet 431, a gas outlet 432, a water cavity 42 which is formed on the multifunctional joint 4 and is internally communicated with the liquid inlet 421 and the liquid outlet 422, and a gas cavity 43 which is communicated with the gas inlet 431 and the gas outlet 432; the water chamber 42 and the air chamber 43 are independent from each other; the water inlet 101 of the washing barrel is communicated with the liquid outlet 422 and the air inlet 431 of the multifunctional joint 4; the liquid inlet 421 of the multifunctional joint 4 is communicated with a water supply pipeline of the washing machine; the exhaust port 432 of the multifunction connector 4 communicates with the atmosphere or the exhaust manifold 8.

The washing machine provided by the embodiment is based on the pipeline design and the design of the multifunctional joint of the multi-barrel washing machine provided by the embodiment 1, wherein the scheme that the exhaust port of the multifunctional joint is communicated with the exhaust main pipe is the same as that of the embodiment 1 and is realized through the exhaust branch pipe; in the scheme that the exhaust port of the multifunctional joint is connected with the atmosphere, an exhaust branch pipe is arranged on the exhaust port, and the other end of the exhaust branch pipe is communicated with the atmosphere.

In summary, the present invention provides a washing machine, which comprises a washing barrel, wherein a multifunctional joint with water inlet and air exhaust functions is arranged at the water inlet side of the washing barrel; the multifunctional joint is provided with a liquid inlet, a liquid outlet, an air inlet, an air outlet, a water cavity and an air cavity, wherein the water cavity is formed on the multifunctional joint and is internally communicated with the liquid inlet and the liquid outlet, and the air cavity is communicated with the air inlet and the air outlet; the water cavity and the air cavity are mutually independent; the water inlet of the washing barrel is communicated with the liquid outlet and the air inlet of the multifunctional joint; the liquid inlet of the multifunctional joint is communicated with a water supply pipeline of the washing machine; the exhaust port of the multifunctional joint is communicated with the atmosphere or an exhaust manifold. The multifunctional joint of the washing machine can realize three functions of water inlet, defoaming and air exhaust, and simultaneously simplifies the pipeline arrangement by combining the design of the exhaust main pipe, thereby reducing the occupied space of a pipeline system and lowering the production and assembly cost; the problem that a water inlet structure of the washing machine only has a water inlet function and has no defoaming and exhausting functions is solved.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (22)

1. A washing machine comprising a washing tub, characterized in that:

a multifunctional joint (4) with water inlet and air exhaust functions is arranged at the water inlet (101) side of the washing barrel;

the multifunctional joint (4) is provided with a liquid inlet (421), a liquid outlet (422), an air inlet (431), an air outlet (432), a water cavity (42) which is formed on the multifunctional joint (4) and is internally communicated with the liquid inlet (421) and the liquid outlet (422), and an air cavity (43) which is communicated with the air inlet (431) and the air outlet (432); the water cavity (42) and the air cavity (43) are mutually independent;

the water inlet (101) of the washing barrel is communicated with the liquid outlet (422) and the air inlet (431) of the multifunctional joint (4);

a liquid inlet (421) of the multifunctional joint (4) is communicated with a water supply pipeline of the washing machine; and an exhaust port (432) of the multifunctional joint (4) is communicated with the atmosphere or an exhaust manifold (8).

2. A washing machine as claimed in claim 1, wherein: the washing machine comprises a plurality of washing barrels, the multifunctional joint (4) is arranged on the side of a water inlet (101) of at least one washing barrel, and an exhaust port (432) of the multifunctional joint (4) is communicated with an exhaust main pipe (8) through an exhaust branch pipe (11).

3. A washing machine as claimed in claim 1 or 2, characterized in that: a bubble breaking structure capable of breaking bubbles is formed on the inner wall of the air chamber (43) connecting the air inlet (431) and the air outlet (432).

4. A washing machine as claimed in claim 1 or 2, characterized in that: the exhaust manifold (8) is provided with an atmosphere communication hole (435) at a position higher than a water inlet (101) of the washing barrel at the highest position of the washing machine, and is provided with a liquid discharge port at a position equal to or lower than a water discharge port of the washing barrel at the lowest position of the washing machine, and the liquid discharge port is communicated with a water discharge assembly (13) of the washing machine.

5. A washing machine as claimed in claim 1 or 2, characterized in that: the liquid outlet (422) and the air inlet (431) of the multifunctional joint (4) are arranged on the same side of the multifunctional joint (4); the water inlet (101) of wash tub with connect a inlet tube (16) between liquid outlet (422), air inlet (431) of multi-functional joint (4), inlet tube (16) one end with water inlet (101) of wash tub are connected, the other end with multi-functional joint (4) are provided with the distolateral side connection of liquid outlet (422), air inlet (431) simultaneously.

6. The washing machine as claimed in claim 5, wherein: the water inlet pipe (16) is a corrugated pipe.

7. A washing machine as claimed in claim 1 or 2, characterized in that: the washing barrel of the washing machine comprises an inner barrel and an outer barrel, and a water inlet (101) of the washing barrel is formed in the outer barrel.

8. A washing machine as claimed in claim 7, wherein: the washing machine is provided with a shunt valve (15), the shunt valve (15) is provided with water outlets corresponding to the number of the liquid inlets (421) of the multifunctional joints (4) of at least one washing barrel, each liquid inlet (421) of the multifunctional joint (4) is connected to the water outlet corresponding to the shunt valve (15), and the water inlet of the shunt valve (15) is connected with a water supply pipe.

9. A washing machine as claimed in claim 8, wherein: the washing machine further comprises an overflow assembly for discharging foam and/or water overflowing from the inner part of the outer cylinder out of the washing machine, the overflow assembly comprises:

a water overflow port (102) provided on an outer tub of the washing machine;

and an overflow pipe (9) having one end communicating with the overflow port (102) and the other end communicating with a drain assembly (13) of the washing machine.

10. A washing machine as claimed in claim 9, wherein: an overflow connector (10) is arranged on the drainage component (13), and the other end of the overflow pipe (9) is communicated with the drainage component (13) through the overflow connector (10).

11. A washing machine as claimed in claim 1 or 2, characterized in that: the multifunctional joint (4) comprises:

the joint comprises a joint body, wherein the joint body is divided into a water cavity (42) and an air cavity (43) which are mutually independent by a partition plate (41);

a bubble breaking structure capable of breaking bubbles is formed on the inner wall of the air cavity (43) connecting the air inlet (431) and the air outlet (432);

the position of the air outlet (432) on the joint body is higher than or equal to the position of the air inlet (431), the bubble breaking structure is higher than or equal to the position of the air inlet (431), and liquid formed after the bubbles are broken by the protrusions can be discharged from the air inlet (431) along the inner wall of the air cavity (43).

12. A washing machine as claimed in claim 11, wherein: the bubble breaking structure comprises a protrusion formed on an inner wall of the air chamber (43), the protrusion having a free end protruding into the hollow interior of the air chamber (43).

13. A washing machine as claimed in claim 12, wherein: the protrusions are provided in plurality and are formed in a staggered manner along the direction of gas flow to the exhaust port (432).

14. A washing machine as claimed in claim 11, wherein:

the air chamber (43) comprises an exhaust chamber (433) and a defoaming chamber (434), the air inlet (431) is communicated with the exhaust chamber (433), the air outlet (432) is communicated with the defoaming chamber (434), a communication hole (435) is formed between the exhaust chamber (433) and the defoaming chamber (434), the diameter of the communication hole (435) is smaller than the maximum diameter of the exhaust chamber (433), the position of the air outlet (432) is higher than or equal to the setting position of the communication hole (435), and the position of the communication hole (435) is higher than or equal to the setting position of the air inlet (431).

15. A washing machine as claimed in claim 14, wherein: one end of an exhaust port (432) of the defoaming chamber (434), which is communicated with the atmosphere, is connected with one end of an exhaust branch pipe (11), which is communicated with the atmosphere, and the other end of the exhaust branch pipe (11) is communicated with an exhaust main pipe (8).

16. A washing machine as claimed in claim 15, wherein: and a porous structure (12) facing the liquid flow direction is formed on the inner wall of the exhaust branch pipe (11).

17. A washing machine as claimed in claim 14, wherein: the protrusion is formed on an inner wall of the defoaming chamber (434) of the air chamber (43).

18. A washing machine as claimed in claim 14, wherein: the protrusion is provided at the communication hole (435) to shield a portion of the communication hole (435).

19. A washing machine as claimed in claim 14, wherein:

the water cavity (42) and the air cavity (43) are formed up and down;

an exhaust chamber (433) and a defoaming chamber (434) of the air cavity (43) are formed up and down;

the defoaming chamber (434) is positioned above an exhaust chamber (433), and the exhaust chamber (433) is positioned above the water cavity (42);

the protrusions include a first protrusion (436) and a second protrusion (437), wherein:

the first protrusion (436) is formed at the communication hole (435) to shield a part of the communication hole (435); the second protrusion (437) is formed on an inner wall of the defoaming chamber (434) of the air chamber (43); and the first protrusions (436) and the second protrusions (437) are staggered.

20. A washing machine as claimed in claim 1 or 2, characterized in that: the multifunctional joint (4) is of a reducing structure, wherein the diameter of the liquid inlet (421) is smaller than that of the liquid outlet (422).

21. A washing machine as claimed in claim 20, wherein: the water cavity (42) comprises a water inlet cavity and a water outlet cavity, the diameter of the water inlet cavity is smaller than that of the water outlet cavity, the water inlet cavity and the water outlet cavity are transversely arranged together and are provided with circular cross sections, the liquid inlet (421) is arranged on the side of one end of the water outlet cavity, the liquid outlet (422) is arranged on the side, far away from the water inlet cavity, of the water outlet cavity, the water inlet cavity and the water outlet cavity form an arc flow guide structure, and the arc flow guide structure enables water flowing from the water inlet cavity to flow into the water outlet cavity along the tangential direction of the inner wall of the water outlet cavity.

22. A washing machine as claimed in claim 21, wherein: the highest point of the circular cross section of the liquid inlet (421) is tangent to the lowest point of the circular cross section of the liquid outlet (422).

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