CN218621463U - Drum washing machine - Google Patents

Abstract

The utility model relates to a drum washing machine, which comprises a drum component and a water path component, wherein the drum component comprises a drum; the lifting rib is arranged on the inner peripheral wall of the roller and provided with a second flow through hole; the box body is arranged on the peripheral wall of the roller and corresponds to the lifting ribs, and is provided with a third flow through hole which is communicated with the second flow through hole; the water route subassembly includes: the fixing frame is fixedly connected to the roller; the hollow rotating shaft is connected with the fixing frame and used for driving the roller to rotate around the axis of the hollow rotating shaft; one end of the communicating pipe is inserted into the hollow rotating shaft and is rotationally connected with the hollow rotating shaft, and the other end of the communicating pipe is used for communicating with a water supply and drainage system; and the first connecting end is communicated with the hollow rotating shaft, and the second connecting end is communicated with the third flow through hole. The utility model discloses no urceolus washing machine realizes rivers business turn over cylinder through quill shaft, mount and hollow tube cooperation for the washing water that has mixed the detergent mixes more evenly.

Description

Drum washing machine

Technical Field

The utility model relates to a washing machine technical field especially relates to a drum type washing machine.

Background

With the development of science and technology, washing machines have been developed in the direction of small volume, large capacity and high rotation speed, so as to obtain larger washing capacity and better washing effect.

In the drum washing machine, the drum assembly is often composed of an inner drum and an outer drum, the inner drum is communicated with the outer drum through a hole of the inner drum, and the inner and outer drum structures limit the increase of the washing capacity under the fixed external dimension of the washing machine. And often can breed a lot of bacteriums in the clearance of interior urceolus, cause certain influence to the user health, need regularly carry out a section of thick bamboo cleanness, clear away the dirt in interior urceolus clearance, it is very inconvenient. The detergent is put in the form and the water injection mode are usually through the glass bowl front end rubber tube direct flow drum inside, and in the quick laundry process, high-content washing liquid all is between by washings and before the drum, causes the laundry detergent can not make full use of, and the washing effect is not good problem.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a drum washing machine.

The utility model provides a drum washing machine, which comprises a drum component and a water path component,

the roller assembly includes:

a drum;

the lifting rib is arranged on the inner peripheral wall of the roller and provided with a second flow through hole;

the box body is arranged on the peripheral wall of the roller and corresponds to the lifting ribs, and is provided with a third flow through hole which is communicated with the second flow through hole;

the waterway assembly includes:

the fixing frame is fixedly connected to the roller;

the hollow rotating shaft is connected with the fixing frame and used for driving the roller to rotate around the axis of the hollow rotating shaft;

one end of the communicating pipe is inserted into the hollow rotating shaft and is in rotating connection with the hollow rotating shaft, and the other end of the communicating pipe is used for being communicated with a water supply and drainage system;

and the first connecting end of the pipeline is communicated with the hollow rotating shaft, and the second connecting end of the pipeline is communicated with the third flow through hole.

In some embodiments, the fixing frame comprises a central groove and a plurality of support arms extending from the central groove to the radial direction of the roller, and each support arm is provided with a containing groove;

one end of the hollow rotating shaft is in threaded connection with the central groove;

the pipeline is provided with a plurality of, and a plurality of pipelines are respectively partial to be accommodated in corresponding accommodating grooves.

In some embodiments, the first connection end of the pipe passes through the groove wall of the central groove and the shaft wall of the hollow rotating shaft, so that the first connection end of the pipe is communicated with the hollow rotating shaft.

In some embodiments, a communicating device is disposed in the central slot, the communicating device has a plurality of joints, the plurality of joints includes a first joint and a plurality of second joints, the first joint is communicated with the hollow rotating shaft, and a first connecting end of the plurality of pipes passes through a slot wall of the central slot and is connected with the corresponding first joint.

In some embodiments, the communicating pipe is rotatably connected with the hollow rotating shaft through a first bearing.

In some embodiments, the water supply and drainage system comprises a water supply and drainage pipe communicated with the hollow pipe, the water supply and drainage pipe is provided with a reversing valve, the reversing valve is arranged on the water supply and drainage pipe, the water supply and drainage pipe forms a water inlet pipeline and a water drainage pipe, and a water suction pump is arranged on the water drainage pipe.

In some embodiments, further comprising: the supporting frame is used for supporting the roller, and the hollow rotating shaft is connected with the supporting frame through a second bearing;

and the driving motor is in driving connection with the hollow rotating shaft and is used for driving the hollow rotating shaft to rotate.

In some embodiments, the drum is opened with a first flow through hole penetrating through a peripheral wall thereof;

the lifting rib covers the first flow through hole, and the second flow through hole is communicated with the first flow through hole;

the box body is formed with a groove, the groove covers the first circulation hole and forms an accommodating cavity with the peripheral wall of the roller, and the third circulation hole passes through the accommodating cavity and is communicated with the first circulation hole.

In some embodiments, a first face of the groove is disposed obliquely with respect to a horizontal plane, wherein the first face faces the peripheral wall of the drum,

in the length direction of the box body, one side of the first face, which is close to the third through flow hole, is lower than one side of the first face, which is far away from the third through flow hole.

In some embodiments, the box extends in a front-rear direction of the drum, a front side of the first surface is higher than a rear side of the first surface, and the third circulation hole is disposed at the rear side of the box.

In some embodiments, a water baffle is disposed in the groove, the water baffle divides the accommodating cavity into a first cavity and a second cavity which are communicated with each other, the first circulation hole is located in the first cavity, the third circulation hole is located in the second cavity, and the water baffle is used for blocking residual water in the second cavity from flowing to the first cavity.

In some embodiments, the water guard plate is in contact with the first surface of the groove, the inner side surface connected to the first surface, and the outer circumferential wall of the drum, respectively, and a communication hole is provided in the water guard plate to communicate the first chamber and the second chamber.

In some embodiments, the vent separates the baffle into a first baffle and a second baffle, each of the first and second baffles extending toward the third vent at an opposite end.

In some embodiments, a sealing groove is formed in the inner periphery of the box body, the sealing groove surrounds the groove, a sealing ring is arranged in the sealing groove, the box body is fixed to the lifting rib through a fastening piece, and the sealing ring is located between the peripheral wall of the drum and the box body.

In some embodiments, the lifting ribs and the box bodies are provided in plurality, the lifting ribs have the same structure, the box bodies have the same structure, and the box bodies correspond to the lifting ribs one by one;

the pipeline is provided with a plurality of, a plurality of pipelines respectively with correspond the third flow through hole intercommunication of box body.

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

an external water source is conducted through a box body arranged on the outer peripheral wall of the roller, then the external water source is poured in through a lifting rib on the inner peripheral wall of the roller, washing water is stored through the roller, and water is discharged through the lifting rib and a circulation hole in the box body, an outer barrel structure is not needed to be arranged, under the condition that the fixed overall dimension of the washing machine is fixed, the capacity of the roller is increased equivalently, and the problem that dirt is generated in the gap between an inner barrel and an outer barrel to breed bacteria in the prior art is solved due to the absence of the outer barrel structure; the hollow shaft, the fixing frame and the hollow pipe are matched to realize the water flow of the washing machine without the outer cylinder to flow in and out of the roller, so that the washing water mixed with the detergent is mixed more uniformly.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a sectional view illustrating an internal structure of a drum washing machine according to an exemplary embodiment of the present invention;

fig. 2 is a rear view illustrating an internal structure of a drum washing machine according to an exemplary embodiment of the present invention;

fig. 3 is an exploded view of a lifting rib and a cassette according to an exemplary embodiment of the present invention;

fig. 4 is a schematic diagram of a cartridge structure according to an exemplary embodiment of the present invention;

fig. 5 is a cross-sectional view of a cartridge structure according to an exemplary embodiment of the present invention;

it should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "contacting" and "communicating" are to be interpreted broadly, e.g. as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the present invention also provides a drum washing machine, which comprises a drum assembly and a waterway assembly.

The roller assembly includes: a drum 10, a lifting rib 20 and a box 30.

The drum 10 may include a rear wall and a circumferential wall formed to extend forward and surround the rear wall. The rear wall and the peripheral wall jointly form a clothes accommodating space with a front clothes input opening. The laundry receiving space is used not only to receive laundry but also to store washing water during a washing process. In other words, the drum 10 of the present invention is a single drum without an outer drum.

The lifters 20 are provided at an inner circumferential wall of the drum 10, and the lifters 20 are provided with second flow holes 21. The lifter bars 20 serve to lift the laundry tumbling during the rotation of the drum 10. A plurality of lifters 20, for example, three, four, five, may be provided at the inner circumferential wall of the drum 10. The embodiment of the present invention is described by taking three lifting ribs 20 as an example, but the present invention is not limited thereto. Three lifting ribs 20 may be evenly distributed in the circumferential direction of the drum 10. Further, a plurality of second flow holes 21 may be respectively formed in the upper wall, the lower wall, and the end wall of the lifting rib 20, and the second flow holes 21 are used for circulating the washing water or the drying air.

The case 30 is provided on the outer circumferential wall of the drum 10 corresponding to the lifting rib 20, the case 30 is provided with a third flow through hole 31, and the third flow through hole 31 is communicated with the second flow through hole 21 on the lifting rib 20 for fluid inflow or discharge, so that the fluid flows into the drum 10 from the second flow through hole 21 via the case 30 and the lifting rib 20 or is discharged from the drum 10.

The third flow through hole 31 of the box 30 may be communicated with a water supply and drainage system, when water needs to be supplied to the laundry, an external water source enters the box 30 from the third flow through hole 31 through the water supply and drainage system, and flows out from the second flow through hole 31 of the lifting rib 20 into the drum 10, and the drum 10 stores washing water so as to wash the laundry. When the washing is completed and the water needs to be drained, the drum 10 stops rotating, the lifting rib 20 and the box body 30 are located just below the drum 10, so that the washing water in the drum 10 is drained from the third flow through hole 31 through the second flow through hole 31 of the box body 30.

The waterway assembly comprises a fixed frame 40, a hollow rotating shaft 43, a communicating pipe 44 and a pipeline 45.

The fixing bracket 40 is used for fixedly connecting to the drum 10. The hollow shaft 43 is connected to the fixing frame 40 for driving the drum 10 to rotate around the axis of the hollow shaft 43. One end of the communication pipe 44 is inserted into the hollow rotating shaft 43 and is rotatably connected to the hollow rotating shaft 43, and the other end of the communication pipe 44 is used for communicating with a water supply and drainage system. For example, a first bearing is fixed inside the hollow rotating shaft 43, and the communication pipe 44 is rotatably connected to the hollow rotating shaft via the first bearing.

A first connection end of the pipeline 45 is communicated with the hollow rotating shaft 43, and a second connection end of the pipeline 45 is used for being communicated with the roller 10. Specifically, the second connection end of the pipe 45 is communicated with the third flow through hole 31 of the box body 30.

The utility model discloses drum type washing machine switches on outside water source through the box body 30 that sets up at the cylinder periphery wall, the promotion muscle 20 of rethread cylinder internal perisporium pours outside water source into, and store washing water through cylinder 10, and through promoting the circulation hole drainage on muscle 20 and the box body 30, need not to set up the urceolus structure, under the fixed overall dimension certain circumstances of washing machine, the cylinder capacity has been increased in other words, and no urceolus structure has also avoided in the prior art the problem that the inside and outside barrel clearance produced the dirt and breed the bacterium. The hollow shaft, the fixing frame and the hollow pipe are matched to realize the water flow of the washing machine without the outer cylinder to flow in and out of the roller, so that the washing water mixed with the detergent is mixed more uniformly.

In some examples, the fixing frame 40 includes a central groove 41 and a plurality of arms 42 extending from the central groove 41 toward the radial direction of the drum 10, and each arm 42 is provided with a receiving groove. The number and position of the arms 42 correspond to the number and position of the lifting ribs 20 and the case 30. One end of the hollow rotating shaft 43 is in threaded connection with the central groove 41; the plurality of pipes 45 are partially accommodated in the corresponding accommodating grooves.

In one example, the first connection end of the pipe 45 passes through the wall of the central slot 41 and the wall of the hollow rotating shaft, so that the first connection end of the pipe 45 is communicated with the hollow rotating shaft.

In another example, a communicating device is disposed in the central slot 41, the communicating device has a plurality of joints, including a first joint and a plurality of second joints, the first joint is communicated with the hollow rotating shaft 43, and a first connecting end of the plurality of pipes 45 passes through a groove wall of the central slot 41 and is connected with the corresponding first joint. For example, the lifting ribs 20 and the box body 30 are three, and the communicating vessel may be a tee.

In some embodiments, the drum washing machine further comprises a water supply and drain system including a water supply and drain line in communication with the hollow tube 44, the water supply and drain line being provided with a diverter valve 73, the water supply and drain line being arranged such that the water supply and drain line forms a water inlet pipe 71 and a water drain pipe 72, wherein a suction pump 72 is provided on the water drain line 73.

The water inlet process comprises the following steps: when the washing is started, the water inlet pipe 71 is communicated with the hollow pipe 44 by the reversing valve 73, the washing water reaches the inside of the hollow shaft 43 through the hollow pipe 44, the water is divided into three bundles through the communicating vessel, the three bundles of water flow to the three lifting ribs 20 in the roller 10 through the pipeline 45 respectively, the hollow shaft 43 is fixed with the fixed frame 40 to drive the roller 10 to rotate, the support frame 50 realizes the relative movement with the roller 10 through the bearing and plays a role of supporting the roller 10, and the pipeline 45, such as a rubber pipe, clings to the outer side wall or the groove of the triangular support arm 45 of the fixed frame 40, passes through the top hole of the support arm 45 and is connected with the third through hole 31 of the box body 30.

And (3) a drainage process: firstly, a plurality of lifting ribs, for example, one lifting rib 20 among three lifting ribs, are rotated to the bottom of the drum 10 as shown in the state of fig. 1, the reversing valve 73 is communicated with the drain pipe 72, the water suction pump 74 is opened, at this time, the wastewater of the drum 10 firstly flows to the box body 30 through the second flow through hole 21 of the lifting rib 20 and the first flow through hole of the drum 10, the wastewater flows into the pipeline 45, and the water is sucked into the hollow shaft 43 by the action of the water suction pump 74, reaches the drain port of the drain pipe 72 through the hollow pipe 44, and is discharged.

The dehydration process is similar to the drainage process, and the lifting rib can flow water into the water collecting box at any state by utilizing the high speed of the inner barrel, and the water is smoothly discharged through the work of the 16 water pump.

In some embodiments, the drum washing machine further includes: a support frame 50 and a driving motor 60.

The supporting frame 50 is used for supporting the drum, wherein the hollow rotating shaft 43 is connected with the supporting frame 50 through a second bearing. The driving motor 60 is drivingly connected to the hollow rotating shaft 443 for driving the hollow rotating shaft 43 to rotate.

In some embodiments, the drum washing machine further comprises a position detection device for detecting the position information of the box body; and the controller is connected with the position detection device and used for controlling the driving mechanism to drive the roller to stop rotating based on the position information of the box body detected by the position detection device so that the box body is positioned below the roller.

In some embodiments, the drum 10 is opened with a first flow-through hole penetrating its peripheral wall. The lifting rib 20 covers the first flow through hole, and the second flow through hole 21 of the lifting rib 20 communicates with the first flow through hole. The box 30 is formed with a groove which covers the first circulation hole and forms an accommodation chamber 32 with the outer peripheral wall of the drum 10, and the third circulation hole 31 on the box 30 communicates with the first circulation hole through the accommodation chamber 32. The lifting rib 20 covers the inner side of the first circulation hole of the drum 10, and the box 30 covers the outer side of the first circulation hole of the drum 10, so that the washing water in the drum 10 flows in and is discharged through a circulation passage formed by the third circulation hole 31, the accommodating chamber 32, the first circulation hole and the second circulation hole 21.

Further, in order to improve the sealing performance, a sealing groove 34 is formed in the inner periphery of the box body 30, the sealing groove 34 surrounds the groove, a sealing ring 40 is arranged in the sealing groove 34, the box body 30 is fixed to the lifting rib 20 through a fastening member, and the sealing ring 40 is located between the periphery of the drum 10 and the box body 30.

In some embodiments, the first face 323 of the groove is disposed obliquely with respect to the horizontal plane, wherein the first face 323 faces the outer circumferential wall of the drum 10, and a side of the first face 323 close to the third through-flow hole 31 is lower than a side far from the third through-flow hole 31 in the length direction of the cassette 30. The first side 323 of the recess may be the bottom side of the case 30 when the case 30 is below (lowest point) the drum. The first side 323 of the recess may be the top surface of the enclosure 30 when the enclosure 30 is above (highest) the rollers.

When dehydration is required, the inclined first surface 323 facilitates the drainage of the washing water, prevents the washing water remaining in the cabinet 30 from flowing backward to the drum, thereby ensuring the dehydration efficiency of the laundry.

In some embodiments, the case 30 extends toward the front and rear direction of the drum 10, the front side of the first face 323 of the case 30 is higher than the rear side of the first face 323, and the third flow holes 31 are provided at the rear side of the case 30. Is convenient to be connected with a pipeline of a water supply and drainage system.

In some embodiments, a water baffle 33 is disposed in the recess, the water baffle 33 divides the accommodating chamber 32 into a first chamber 321 and a second chamber 322 which are communicated with each other, the first circulation hole of the drum 10 is located in the first chamber 321, the third circulation hole 31 of the box body 30 is located in the second chamber 322, and the water baffle 33 is used for blocking the residual water in the second chamber 322 from flowing to the first chamber 321. After the dehydration is completed, there may be residual water remaining in the grooves of the box body 30, particularly, lower at a position adjacent to the third flow through hole 31, where the residual water may remain, and the residual water in the second chamber 322 is prevented from entering the first cavity 321 by the arrangement of the water baffle 33, thereby preventing the risk of the residual water from entering the drum 10 from the first flow through hole on the drum 10 via the second flow through hole 21 on the lifting rib 20 to wet the laundry.

Further, the water guard plate 33 is in contact with the first surface 323 of the recess, the inner side surface 3 connected to the first surface 323, and the outer circumferential wall of the drum 10, respectively, and a flow port 333 for passing inflow water is provided in the water guard plate 30 to communicate the first chamber 321 with the second chamber 322.

Further, the flow port 333 divides the water guard 33 into a first water guard 331 and a second water guard 332, and opposite ends of the first water guard 331 and the second water guard 332 extend obliquely toward the third flow through hole 31. For example, the first and second water deflectors 331 and 332 form an "eight" shaped structure.

Specifically, the groove may have a U shape, and has a first surface 323, and a first side surface 324 and a second side surface 325 located at both sides of the first surface, and the first barrier 331 is in contact with the first surface 323, the first side surface 324, the second side surface 323, and the outer circumferential wall of the drum 10. Similarly, the second baffle 332 contacts the first face 323, the first side face 324, the second side face 323, and the outer peripheral wall of the drum 10. The first and second barriers 331 and 332 are spaced apart to form the flow port 333. Preferably, the surfaces of the first and second barriers 331 and 332 contacting the outer circumferential wall of the drum 10 are curved.

When the laundry is in a dehydrated state, the laundry in the drum 10 is in a high-speed rotation state, the water in the drum 10 flows to the first chamber 321 through the second through holes 21 on the lifting ribs 20 and the first through holes on the drum 10, the water flow can be close to the first surface 323 (back surface) of the box body 30 due to the centrifugal force, the water flow can flow to the second chamber 322 along the first surface 323 due to the inclination of the first surface 323, at this time, the baffle 33 (the first baffle 331 and the second baffle 332) has a flow guiding function, the water is introduced to the second chamber 322 together, and the water flows out from the third through holes 31 of the box body 30 by utilizing the centrifugal force and the structure of the inclination of the first surface 323 on the back.

After the dehydration is completed, a small portion of residual washing water may still exist in the second chamber 322, and the washing water may be temporarily retained in the second chamber 322 by the arc-shaped surface of the outer circumferential wall of the drum 10 and the baffle 33, so as to prevent the washing water from flowing back to the first chamber 321.

Specifically, when the spin-drying is completed, the drum 10 is decelerated, and a small amount of residual washing water still exists in the second chamber 322, if the box 30 is in a top (upper) state of the drum 10, the washing water in the second chamber 322 falls onto the arc-shaped surface of the outer circumferential wall of the drum 10 by using gravity, and the washing water slides onto both sides of the second chamber 322 by using the arc-shaped structure of the arc-shaped surface of the outer circumferential wall of the drum 10, and the residual washing water is trapped on both sides of the second chamber 322 because the 5-1 first baffle 331 and the second baffle 332 are both in close contact with the drum 10 and the box 30. If the box body 30 is at the left side of the drum, the water at the two sides of the second chamber 322 flows to the second chamber 322 along the inclined extension direction of the first baffle 331 and the second baffle 332 by using the inclined angles of the first baffle 331 and the second baffle 332 of 1 according to the gravity, and similarly, when the box body 30 rotates to the left side, the water flows to the left side of the second chamber 322 in the same manner. Therefore, the utility model discloses drum assembly can effectively avoid the washing water to flow back inside the drum, accomplishes the clothing dehydration smoothly to and effectively avoid producing the spot between a section of thick bamboo.

In some embodiments, the lifting rib 20 is provided in plurality, at least one lifting rib of the plurality of lifting ribs 20 is provided with the second circulation hole 21, and the first circulation hole is provided on the drum 10 at a position corresponding to the lifting rib provided with the second circulation hole.

Illustratively, a plurality of lifting ribs 20 and a plurality of box bodies 30 are arranged, the structures of the lifting ribs 20 are the same, the structures of the box bodies 30 are the same, and the box bodies 30 correspond to the lifting ribs 20 one by one; the plurality of pipes 45 are provided, and the plurality of pipes are respectively communicated with the third through holes 31 of the corresponding box 30.

It is further understood that the use of "a plurality" in this disclosure means two or more, and other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the scope of the appended claims.

Claims (16)

1. A drum washing machine is characterized in that the machine comprises a drum component and a waterway component,

the drum assembly includes:

a drum;

the lifting rib is arranged on the inner peripheral wall of the roller and provided with a second flow through hole;

the box body is arranged on the peripheral wall of the roller and corresponds to the lifting ribs, and is provided with a third flow through hole which is communicated with the second flow through hole;

the waterway assembly includes:

the fixing frame is fixedly connected to the roller;

the hollow rotating shaft is connected with the fixing frame and used for driving the roller to rotate around the axis of the hollow rotating shaft;

one end of the communicating pipe is inserted into the hollow rotating shaft and is rotatably connected with the hollow rotating shaft, and the other end of the communicating pipe is used for communicating with a water supply and drainage system;

and the first connecting end of the pipeline is communicated with the hollow rotating shaft, and the second connecting end of the pipeline is communicated with the third flow through hole.

2. A drum washing machine according to claim 1,

the fixing frame comprises a central groove and a plurality of support arms extending from the central groove to the radial direction of the roller, and each support arm is provided with an accommodating groove;

one end of the hollow rotating shaft is in threaded connection with the central groove;

the pipeline is provided with a plurality of, and a plurality of pipeline parts are respectively acceptd in corresponding accepting groove.

3. A drum washing machine according to claim 2,

the first connecting end of the pipeline penetrates through the groove wall of the central groove and the shaft wall of the hollow rotating shaft, so that the first connecting end of the pipeline is communicated with the hollow rotating shaft.

4. A drum washing machine according to claim 2,

the central groove is internally provided with a communicating vessel which is provided with a plurality of joints, the plurality of joints comprise a first joint and a plurality of second joints, the first joint is communicated with the hollow rotating shaft, and first connecting ends of the plurality of pipelines penetrate through the groove wall of the central groove and are connected with the corresponding first joints.

5. A drum washing machine according to claim 1,

the communicating pipe is rotatably connected with the hollow rotating shaft through a first bearing.

6. A drum washing machine according to claim 1,

the water supply and drainage system comprises a water supply and drainage pipe communicated with the hollow pipe, the water supply and drainage pipe is provided with a reversing valve, the reversing valve is arranged on the water supply and drainage pipe, the water supply and drainage pipe forms a water inlet pipeline and a water drainage pipe, and the water drainage pipe is provided with a water suction pump.

7. The drum washing machine according to claim 1, further comprising:

the supporting frame is used for supporting the roller, and the hollow rotating shaft is connected with the supporting frame through a second bearing;

and the driving motor is in driving connection with the hollow rotating shaft and is used for driving the hollow rotating shaft to rotate.

8. A drum washing machine according to any one of claims 1-7,

the roller is provided with a first flow through hole penetrating through the peripheral wall of the roller;

the lifting rib covers the first flow through hole, and the second flow through hole is communicated with the first flow through hole;

the box body is formed with the recess, the recess cover first circulation through-hole and with the periphery wall of cylinder forms and holds the chamber, third circulation through-hole pass through hold the chamber with first circulation through-hole intercommunication.

9. A drum washing machine according to claim 8,

a first face of the groove is disposed obliquely with respect to a horizontal plane, wherein the first face faces the outer circumferential wall of the drum,

in the length direction of the box body, one side of the first face, which is close to the third through flow hole, is lower than one side of the first face, which is far away from the third through flow hole.

10. A drum washing machine according to claim 9,

the box body extends towards the front and back direction of the roller, the front side of the first surface is higher than the back side of the first surface, and the third flow through hole is formed in the back side of the box body.

11. A drum washing machine according to claim 10,

the water baffle is arranged in the groove, the accommodating cavity is divided into a first cavity and a second cavity which are communicated with each other by the water baffle, the first flow through hole is located in the first cavity, the third flow through hole is located in the second cavity, and the water baffle is used for blocking residual water in the second cavity from flowing to the first cavity.

12. A drum washing machine according to claim 11,

the water baffle is respectively contacted with the first surface of the groove, the inner side surface connected with the first surface and the peripheral wall of the roller, and a circulation port is formed in the water baffle so that the first cavity is communicated with the second cavity.

13. A drum washing machine according to claim 12,

the circulation port divides the water baffle into a first water baffle and a second water baffle, and one end of the first water baffle opposite to one end of the second water baffle extends towards the third circulation hole.

14. A drum washing machine according to claim 8,

the inner periphery of the box body is provided with a sealing groove which surrounds the groove, a sealing ring is arranged in the sealing groove, the box body is fixed on the lifting rib through a fastening piece, and the sealing ring is located between the peripheral wall of the roller and the box body.

15. A drum washing machine according to claim 8,

the lifting ribs and the box bodies are arranged in plurality, the lifting ribs are of the same structure, the box bodies are of the same structure, and the box bodies correspond to the lifting ribs one by one;

the pipeline is provided with a plurality of, a plurality of pipelines respectively with correspond the third flow through hole intercommunication of box body.

16. A drum washing machine according to claim 1,

the drum washing machine is a washing machine without an outer drum.

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