CN107245842B

CN107245842B - Drum washing machine and washing tub assembly for drum washing machine

Info

Publication number: CN107245842B
Application number: CN201710589736.0A
Authority: CN
Inventors: 唐启庆; 金炅学
Original assignee: Wuxi Little Swan General Appliance Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2017-07-19
Filing date: 2017-07-19
Publication date: 2020-05-19
Anticipated expiration: 2037-07-19
Also published as: CN107245842A

Abstract

The present invention discloses a drum washing machine and a washing tub assembly for the same, the drum washing machine includes: a water containing barrel; a drum rotatably provided within the tub: the lateral clothes lifting rib is arranged on the inner side surface of the washing barrel; the central clothes lifting rib is arranged near the center of the bottom of the washing barrel, the central clothes lifting rib is provided with an accommodating cavity suitable for accommodating an adding piece, and the accommodating cavity is provided with an opening for water flow to pass through. The drum washing machine provided by the embodiment of the invention can better lift and beat clothes, and is beneficial to improving the washing effect.

Description

Drum washing machine and washing tub assembly for drum washing machine

Technical Field

The invention relates to the technical field of electric appliance manufacturing, in particular to a drum washing machine and a washing tub assembly for the same.

Background

In the existing drum washing machine, many additives such as a sterilizing element are placed in a fluid channel, such as a pipeline between a drawer box and a washing tub, so that effective components of the additives can be brought into the washing tub while water flows through the additives, and effects of sterilization, fragrance and the like can be achieved.

However, since the added parts have service lives, the added parts need to be replaced after the service lives are finished to continue to play a role; meanwhile, because the adding piece is placed in the pipeline, a user cannot notice whether the adding piece is used up or not, and the clothes are possibly in a washing state without the adding piece.

In addition, in the existing drum washing machine, the rotating axis of the washing tub is parallel to the horizontal plane or has an included angle smaller than 90 degrees with the horizontal plane, and the clothes are lifted and beaten to be washed through the rotation of the washing tub.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a drum washing machine which can better lift and beat clothes and is beneficial to improving the washing effect.

The invention also provides a washing tub assembly for the drum washing machine.

An embodiment according to a first aspect of the present invention proposes a drum washing machine comprising: a water containing barrel; a drum rotatably provided within the tub: the lateral clothes lifting rib is arranged on the inner side surface of the washing barrel; the central clothes lifting rib is arranged near the center of the bottom of the washing barrel, the central clothes lifting rib is provided with an accommodating cavity suitable for accommodating an adding piece, and the accommodating cavity is provided with an opening for water flow to pass through.

The drum washing machine provided by the embodiment of the invention can better lift and beat clothes, and is beneficial to improving the washing effect.

According to some embodiments of the invention, the central garment lifting rib comprises: the lifting wheel is arranged on the inner side surface of the bottom of the washing barrel and is positioned near the center of the bottom of the washing barrel, a lifting bulge is arranged on the surface of the lifting wheel facing the inside of the washing barrel, the accommodating cavity is arranged in the lifting wheel, and one end of the accommodating cavity facing the inside of the washing barrel is opened to form the opening; the shower nozzle, the lid is located hold the chamber the opening, seted up on the shower nozzle and sprayed the hole.

Furthermore, the surface of the spray head facing the outside of the washing tub is provided with a box body, the accommodating cavity is formed in the box body, and the box body is provided with a box cover which is detachable and used for covering one end of the accommodating cavity facing the outside of the washing tub.

Furthermore, the lifting protrusions are multiple, each lifting protrusion extends along the radial direction of the lifting wheel, and the lifting protrusions are arranged at equal intervals along the circumferential direction of the lifting wheel; the spray head is configured into a spherical crown shape protruding toward the inside of the tub; the spraying holes are multiple and are uniformly distributed on the spray head; the cross-sectional area of the lifting wheel is gradually increased along a direction from a bottom part far away from the washing barrel to a bottom part adjacent to the washing barrel; each lifting protrusion extends along the radial direction of the lifting wheel, and the plurality of lifting protrusions are arranged at equal intervals along the circumferential direction of the lifting wheel; the width of the lifting lug is gradually increased from inside to outside along the radial direction of the lifting wheel; portions of the outer peripheral edge of the lifting wheel located between adjacent lifting projections form a recess that is recessed toward the center of the lifting wheel.

According to some specific examples of the present invention, the drum washing machine further comprises: the water taking device rotates along with the washing bucket and is provided with a water taking opening, a flow passage and a spraying opening, the spraying opening is communicated with the spray head, the periphery of the flow passage is closed, and the flow passage is communicated with the water taking opening and the spraying opening; wherein the water intake device is configured such that, when the tub rotates, the water intake scoop the liquid in the tub and the liquid is made to flow into the tub from the spray head along the flow passage by gravity.

Further, the washing barrel is provided with a water return port communicated with the accommodating cavity and the spraying port; the accommodating chamber extends along the axial direction of the washing tub, and one end of the accommodating chamber facing the outside of the washing tub is communicated with the water return port.

According to some specific embodiments of the present invention, the water intake port is located at an outer periphery of the tub bottom, the spray port is located at a center of the tub bottom, and the flow passage extends in a radial direction of the tub bottom; the central axis of the spraying port is coincident with the central axis of the washing barrel, the spraying port is arranged in the barrel bottom in the axial direction, the central axis of the water intake is perpendicular to the central axis of the spraying port, and the water intake is arranged in the barrel bottom in the radial direction; the runner is a plurality of, a plurality of the one end of runner with spray mouthful intercommunication and the other end respectively with a plurality of the delivery port intercommunication.

According to some embodiments of the present invention, the drum washing machine further comprises: the water taking device is arranged between the bucket bottom and the supporting frame, and is suitable for being fixed on the bucket ring and/or the supporting frame through a fastening piece.

Furthermore, a circumferential limiting groove is formed in the water taking device, and at least one part of the supporting frame is matched in the circumferential limiting groove.

Further, the water intake device includes: the water outlet disc is provided with a spray pipe penetrating through the washing barrel, and the spray port is formed in the spray pipe; the flow channel is arranged in each water guide arm, and one end of each water guide arm is connected with the water outlet disc and is arranged at equal intervals along the circumferential direction of the water outlet disc; a plurality of bailing spoons, every be equipped with on the bailing spoon the mouth of intaking, it is a plurality of the bailing spoon is connected respectively in a plurality of the other end of water guide arm.

Further, the shower by the return water mouth stretches into the lifting wheel, be equipped with the tray on the inside wall of shower, it is in to hold the chamber formation in the tray.

Further, the scooping scoop and the water outlet tray are disposed offset in an axial direction of the tub, the scooping scoop being closer to the tub in the axial direction of the tub with respect to the water outlet tray; an inside face of the scooping spoon in a radial direction of the wash tub is configured to be inclined toward a radially outside, the water intake port being provided on the inside face of the scooping spoon; an outer side surface of the water scooping spoon in a radial direction of the tub is configured in an arc shape fitting an inner peripheral surface shape of the tub; and two water taking ports are arranged on each water scooping spoon, and the two water taking ports are respectively positioned at two sides of the water guide arm where the water scooping spoon is positioned in the circumferential direction of the washing bucket.

An embodiment according to a second aspect of the present invention proposes a tub assembly for a drum washing machine, the tub assembly for a drum washing machine including: a rotatable washing tub; the lateral clothes lifting rib is arranged on the inner side surface of the washing barrel; the central clothes lifting rib is arranged near the center of the bottom of the washing barrel, the central clothes lifting rib is provided with an accommodating cavity suitable for accommodating an adding piece, and the accommodating cavity is provided with an opening for water flow to pass through.

According to the washing barrel assembly for the drum washing machine, clothes can be lifted and beaten better, and the washing effect is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a tub assembly of a drum washing machine according to an embodiment of the present invention.

Fig. 2 is an exploded view of a part of a tub assembly of a drum washing machine according to an embodiment of the present invention.

Fig. 3 is a structural view of a central laundry lifting rib of the drum washing machine according to an embodiment of the present invention.

Fig. 4 is a partial structural schematic view of a drum washing machine according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a tub assembly of a drum washing machine according to an embodiment of the present invention.

Fig. 6 is an exploded view of a tub assembly of a drum washing machine according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a water intake device of a drum washing machine according to an embodiment of the present invention.

Fig. 8 is a partial sectional view of a water taking apparatus of a drum washing machine according to an embodiment of the present invention.

Fig. 9 is a partial sectional view of a central laundry lifting rib of the drum washing machine according to an embodiment of the present invention.

Fig. 10 is a partial structural view of a central laundry lifting rib of the drum washing machine according to the embodiment of the present invention.

Fig. 11 is a schematic structural view of a shower outlet of a water intake device of a drum washing machine according to an embodiment of the present invention.

Reference numerals:

drum washing machine 1, tub assembly 10 for drum washing machine,

A tub 100,

A washing tub 200, a tub ring 210, a tub bottom 220, a water return port 221, a laundry input port 230, a laundry output port,

A water intake device 300, a water intake port 310, a flow passage 320, a shower port 330,

A water outlet tray 410, a spray pipe 411, a water guide arm 420, a water scooping spoon 430, a circumferential limiting groove 431, a tray 440, a partition plate 450,

A supporting frame 500,

A lateral clothes lifting rib 600,

A central clothes lifting rib 700, a containing cavity 710, a spraying hole 720, a lifting wheel 730, a lifting bulge 731, a concave part 732, a spraying head 740, a box body 750, a box cover 760,

An addition piece 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the positional or orientational relationships indicated in the drawings for the purposes of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The drum washing machine 1 according to the embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 11, the drum washing machine 1 according to the embodiment of the present invention includes a tub 100, a tub 200, side laundry lifting ribs 600, and center laundry lifting ribs 700.

The tub 200 is rotatably provided within the tub 100. The side laundry lifting rib 600 is provided to an inner side surface of the tub 200. The side laundry lifting rib 600 is provided near the center of the bottom of the tub 200, and the center laundry lifting rib 700 is provided with a receiving cavity 710 adapted to receive the filling member 800, the receiving cavity 710 having an opening through which water flows.

According to the drum washing machine 1 of the embodiment of the invention, the lateral clothes lifting rib 600 is arranged on the inner side surface of the washing tub 200, and the central clothes lifting rib 700 is arranged near the center of the bottom of the washing tub 200, so that when the drum washing machine 1 runs and washes, the lateral clothes lifting rib 600 and the central clothes lifting rib 700 rotate along with the washing tub 200, clothes close to the lateral part of the washing tub 200 in the washing tub 200 are lifted to a high place and then fall down to be beaten under the action of the lateral clothes lifting rib 600, and clothes at the center in the washing tub 200 are lifted to the high place and then fall down to be beaten under the action of the central clothes lifting rib 700, so that the clothes at the inner edge and the center of the washing tub 200 can be fully beaten, and the washing effect is improved.

And, the central laundry lifting rib 700 is provided with an accommodating chamber 710 having an opening, the accommodating chamber 710 can be placed with an additive 800, such as a bactericide, an aromatic, etc., and during the laundry contacting with the central laundry lifting rib 700, a part of the water flow can enter the accommodating chamber 710 through the opening and bring the additive 800 in the accommodating chamber 710 out to the washing tub 200, thereby further improving the washing effect. In addition, with adding piece 800 and placing in center clothing lifting rib 700, not only can be convenient for the user to observe from the pail 200 to confirm the use degree of adding piece 800, when adding piece 800 uses up or will use up promptly, can be convenient for the user to change from the pail 200 in addition, need not to dismantle washing machine top cap and expose the pipeline, it is more simple and convenient.

Therefore, the drum washing machine 1 according to the embodiment of the present invention can better lift and beat the laundry, which is beneficial to improving the washing effect.

A drum washing machine 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 11, the drum washing machine 1 according to the embodiment of the present invention includes a tub 100, a tub 200 side laundry lifting rib 600, a center laundry lifting rib 700, and a water intake device 300.

The tub 200 is rotatably provided within the tub 100. The water taking device 300 rotates with the tub 200.

The water taking apparatus 300 has a water taking port 310, a flow passage 320, and a spray port 330, the water taking port 310 communicates with a space between the tub 100 and the tub 200 or with an inner space of the tub 200, the spray port 330 communicates with the inner space of the tub 200, an outer periphery of the flow passage 320 is closed, that is, the flow passage 320 has a closed cross section, and the flow passage 320 communicates the water taking port 310 and the spray port 330. It should be understood by those skilled in the art that the flow channel 320 has a closed cross section, which means that the flow channel 320 is only indirectly communicated with the outside through the water intake port 310 and the spraying port 330, and the flow channel 320 itself is not directly communicated with the outside, i.e. the liquid entering the flow channel 320 from the water intake port 310 only flows out through the spraying port 330, and does not spill out during the flow in the flow channel 320.

The water intake device 300 is configured to rotate with the tub 200, and the water intake port 310 scoops the liquid in the tub 100 (which may be the liquid between the tub 100 and the tub 200, or the liquid in the tub 200) and makes the liquid flow into the tub 200 from the spraying port 330 along the flow passage 320 under the action of gravity.

The tub 200 includes a tub loop 210 and a tub bottom 220. The tub bottom 220 is mounted on the tub loop 210, one end of the tub loop 210 is opened to form a laundry input port 230, and the other end of the tub loop 210 is covered by the tub bottom 220, i.e., the tub loop 210 forms a side portion of the tub 200, the tub bottom 220 forms a bottom portion of the tub 200, and the water intake device 300 can abut against the tub bottom 220. The side laundry lifting rib 600 is provided at an inner side surface of the tub 210. For example, the plurality of side laundry lifting ribs 600 are provided, each of the side laundry lifting ribs 600 extends substantially in the axial direction of the tub 210, and may be formed in a corrugated shape undulating in the circumferential direction of the tub 210, and the plurality of side laundry lifting ribs 600 are provided at intervals in the circumferential direction of the tub 210. The central laundry lifting rib 700 is disposed on the inner side surface of the tub bottom 220 and located at the center of the tub bottom 220, and the lateral laundry lifting rib 600 and the central laundry lifting rib 700 rotate with the wash tub 200.

The operation of the drum washing machine 1 according to the embodiment of the present invention is described as follows.

The laundry is loaded in the tub 200, and when the drum washing machine 1 is operated to wash, the washing water in the tub 200 flows out between the tub 100 and the tub 200, wherein the washing water in the tub 200 can flow out between the tub 100 and the tub 200 through a tub opening of the tub 200, and can also flow out between the tub 100 and the tub 200 through a water outlet hole on a side wall of the tub 200.

In the process of rotating the tub 200, the water intake device 300 rotates with the tub 200, the water intake device 300 is driven by the power of the tub 200, when the water intake device 300 rotates, after the water intake port 310 sinks into the washing water in the tub 200 or the washing water between the tub 100 and the tub 200, the water intake port 310 scoops the washing water in the tub 100, as the water intake device 300 continues to rotate, the water intake port 310 is raised, and the scooped washing water is guided to the spray port 330 along the flow passage 320 under the action of gravity and returns to the tub 200 through the spray port 330, so that the wetting time of the laundry is shortened, and the utilization rate of the detergent, the washing uniformity, the washing degree and the rinsing efficiency are improved.

According to the drum washing machine 1 of the embodiment of the present invention, the water intake device 300 is provided on the tub 200, and the water intake device 300 rotates with the tub 200, so that the water intake device 300 can be driven by the power of the tub 200, the washing water can be circularly sprayed by gravity, and an additional power device such as a circulating pump is not required to drive the water intake device 300, thereby reducing the power consumption cost.

Furthermore, as shown in fig. 6, the flow passage 320 of the water intake device 300 has a closed cross section, and in the process that the washing water flows to the spray opening 330 along the water intake opening 310, the washing water does not spill out of the flow passage 320, so that the amount of water sprayed from the spray opening 330 can be ensured, the spray pressure can be ensured, and the spray effect can be further improved.

In some embodiments of the present invention, as shown in fig. 2, a water return port 221 communicating with the accommodating chamber 710 and the spray port 330 is provided at the center of the tub bottom 220.

In the related art, the addition part of the drum washing machine with sterilization and disinfection functions is usually installed on the water inlet pipeline, and has complex structure, high cost and difficult replacement.

According to the drum washing machine 1 of the embodiment of the present invention, the adding member 800 is integrated in the central laundry lifting rib 700, and during the washing process, the washing water in the washing tub 200 or between the washing tub 200 and the washing tub 100 passes through the water intake device 300 and enters the accommodating chamber 710 of the central laundry lifting rib 700 through the water return port 221 of the tub bottom 220, and enters the washing tub 200 from the spraying hole 720 after contacting with the adding member 800, so as to perform the sterilization and disinfection effects on the laundry. And, simple structure, with low costs, be convenient for change.

In some specific examples of the present invention, as shown in fig. 2 and 3, the central laundry lifting rib 700 includes a lifting wheel 730 and a spray head 740.

The lifting wheel 730 is installed on the inner side surface of the tub bottom 220 and located at the center of the tub bottom 220, a lifting protrusion 731 is arranged on the surface of the lifting wheel 730 facing the inside of the washing tub 200, and when the central laundry lifting rib 700 rotates along with the washing tub 200, the lifting protrusion 731 on the lifting wheel 730 plays a role in lifting the central laundry. The receiving chamber 710 is provided in the lifting wheel 730, and one end of the receiving chamber 710 facing the inside of the tub 200 is opened to form the opening. The nozzle 740 is mounted on the lifting wheel 730 and covers the opening of the accommodating cavity 710, and the nozzle 740 is provided with a spraying hole 720. When the adding member 800 needs to be replaced, the spraying head 740 only needs to be detached from the lifting wheel 730, and the user can directly replace the adding member 800 without detaching other parts in the using process because the central clothes lifting rib 700 is positioned on the inner side surface of the barrel bottom 220.

Further, as shown in fig. 3, in order to increase a spraying range to improve a spraying effect and prevent the central laundry lifting rib 700 from scratching the laundry, the spray head 740 is configured as a spherical crown shape protruding toward the inside of the tub 200, and the spray holes 720 are plural and uniformly distributed on the spray head 740.

Alternatively, as shown in fig. 2, the receiving chamber 710 extends in an axial direction of the tub 200, and an end of the receiving chamber 710 facing an outside of the tub 200 communicates with the return water port 221. The cross-sectional area of the adding member 800 is smaller than that of the accommodating chamber 710 toward the inside of the tub 200, and the cross-sectional area of the adding member 800 is larger than that of the accommodating chamber 710 toward the outside of the tub 200. On one hand, the additive member 800 is prevented from leaking out of the receiving chamber 710 from the water returning opening 221, and on the other hand, the additive member 800 can be easily taken out from the tub 200 after the shower head 740 is removed.

In some embodiments of the present invention, as shown in fig. 9 and 10, a surface of the spray head 740 facing the outside of the tub 200 is provided with a box body 750, the receiving chamber 710 is formed in the box body 750, and the box body 750 is provided with a box cover 760, the box cover 760 being detachable with respect to the box body 750 and serving to cover an end of the receiving chamber 710 facing the outside of the tub 200. When the adding element 800 needs to be replaced, the spraying head 740 is firstly detached from the lifting wheel 730, then the box cover 760 is detached from the box body 750, the adding element 800 in the accommodating cavity 710 is exposed, and after the adding element 800 is replaced, the spraying head 740 provided with the new adding element 800 is installed on the lifting wheel 730 according to the reverse steps of the steps.

The cover 760 may be detachably mounted on the body 750, such as by screwing, and the cover 760 may be stopped by the partition plate 450 at the shower opening 330 against the cover 760.

Further, at least one of the box cover 760 and the box body 750 may be perforated in order to further increase the flow rate of water through the receiving chamber 710.

In some embodiments of the invention, as shown in fig. 3, the cross-sectional area of the lifting wheel 730 gradually increases in a direction from away from the tub bottom 220 to adjacent to the tub bottom 220. Thus, under the condition of ensuring the washing space of the washing tub 200, the range of the central clothes lifting rib 700 for lifting the clothes can be increased in the axial direction of the washing tub 200, and the washing effect on the central clothes can be further improved.

Further, as shown in fig. 3, the lifting protrusions 731 are plural, each lifting protrusion 731 extends along a radial direction of the lifting wheel 730, the plural lifting protrusions 731 are arranged along a circumferential direction of the lifting wheel 730 at equal intervals, and when the central laundry lifting rib 700 rotates with the washing tub 200, the plural lifting protrusions 731 jointly and continuously lift the laundry in the center of the washing tub 200, so that the laundry in the center is continuously beaten.

Further, as shown in fig. 3, in order to further improve the lifting and beating effect of the lifting protrusions 731 on the central laundry, the width of the lifting protrusions 731 is gradually increased from inside to outside along the radial direction of the lifting wheel 730, and the portion of the outer circumferential edge of the lifting wheel 730 located between the adjacent lifting protrusions 731 forms a concave portion 732 which is concave toward the center of the lifting wheel 730, so that the material consumption of the central laundry lifting rib 700 can be reduced to reduce the cost.

In some embodiments of the present invention, as shown in fig. 5 and 6, and as shown in fig. 4 to 6, in order to further facilitate scooping of water from the water intake port 310, guiding of water by the flow passage 320 by gravity, and spraying of the water into the tub 200 from the spraying port 330, the water intake port 310 is located at an outer periphery of the tub bottom 220, the spraying port 330 is located at a center of the tub bottom 220, and the flow passage 320 extends in a radial direction of the tub bottom 220. The center axis of the shower port 330 coincides with the center axis of the tub bottom 220, and the shower port 330 is provided inward in the axial direction of the tub bottom 220. The central axis of the water intake 310 is perpendicular to the central axis of the shower port 330, and the water intake 310 is disposed inward in the radial direction of the tub bottom 220.

Further, as shown in fig. 4 to 6, the water intake ports 310 are plural and are equally spaced along the circumferential direction of the tub bottom 220. The flow channels 320 are multiple, one end of each flow channel 320 is communicated with the spraying port 330, and the other end of each flow channel 320 is communicated with the water intake ports 310. That is, one spray port 330 is provided, one end of each flow passage 320 communicates with the spray port 330, and the other end of each flow passage 320 communicates with one water intake port 310. Therefore, continuous water scooping and continuous water guiding can be realized by using the plurality of water intake ports 310 and the plurality of flow passages 320, water is continuously supplied to the spraying ports 330, the spraying continuity and the spraying water quantity are improved, and the spraying effect is further improved.

In some specific examples of the present invention, as shown in fig. 4 and 5, the drum washing machine 1 further includes a support frame 500.

The support frame 500 is rotatably connected to the tub 100, and the support frame 500 is mounted on the tub rim 210 and located outside the tub bottom 220 for driving the tub 200 to rotate. The water intake device 300 is installed between the tub bottom 220 and the support frame 500, and the water intake device 300 is adapted to be fixed to the tub 210 and/or the support frame 500 by fasteners (e.g., bolts, screws). Thereby, the tub 100 and the tub 200 are connected by the support frame 500, which plays a role of supporting the tub 200 and realizes the tub 200 to be rotatable with respect to the tub 100, and the installation positioning of the water intake apparatus 300, i.e., the support frame 500, the water intake apparatus 300, and the tub 200 to be rotated in synchronization is realized.

Further, the water intake device 300 is provided with a circumferential limiting groove 431, and at least a part of the support frame 500 is fitted in the circumferential limiting groove 431, so that the support frame 500 is limited by the inner wall of the circumferential limiting groove 431, the support frame 500 and the water intake device 300 are prevented from rotating relatively, and the rotation of the washing tub 200 and the stability of the circulating spraying of the water intake device 300 are improved.

In some embodiments of the present invention, as shown in FIG. 7, the water intake apparatus 300 includes a water outlet tray 410, a plurality of water directing arms 420, and a plurality of scoops 430.

The outlet tray 410 has a shower pipe 411 passing through the tub bottom 220 of the tub 200, and the shower port 330 is provided on the shower pipe 411. A flow channel 320 is arranged in each water guide arm 420, and one end of each water guide arm 420 is connected with the water outlet disc 410 and is arranged at equal intervals along the circumference of the water outlet disc 410. A water intake port 310 is provided on each scoop 430, and the scoops 430 are connected to the other ends of the water guide arms 420, respectively. For example, the water guide arm 420 and the scooping spoon 430 are three in number, respectively. The structure of the support bracket 500 is adapted to the structure of the water intake device 300, so that the water intake device 300 is pressed and positioned on the bottom 220 of the tub 200. Each scoop 430 is provided with a circumferential limiting groove 431, and the ends of the support frame 500 are respectively fitted in the circumferential limiting grooves 431 of the scoops 430, so that the water taking device 300 and the support frame 500 are positioned in the circumferential direction of the washing tub 200.

Specifically, when the water intake device 300 rotates with the washing tub 200, when one of the water guide arms 420 rotates downward and the water intake port 310 of the scoop 430 is submerged, water enters the flow channel 320 through the water intake port 310, as the water intake device 300 continues to rotate, the water guide arm 420 is lifted, water reaches the shower pipe 411 of the water outlet tray 410 along the flow channel 320 and then is sprayed into the washing tub 200 through the shower port 330, and the water guide arms 420 circulate and reciprocate, so that circulation of water inside and outside the washing tub 200 is realized, and the soaking time of laundry is shortened.

Therefore, the water outside the washing tub 200 can be taken into the washing tub 200 without additional power by using the rotating power of the washing tub 200 and the gravity of the water, so that the utilization rate of the detergent, the washing uniformity, the washing degree and the rinsing efficiency are improved, and the energy consumption is reduced. In addition, since the spray opening 330 is formed in the inside of the tub 200, the spraying effect and the visual effect of the spray are further improved.

Alternatively, as shown in fig. 5 to 7, the scooping spoon 430 and the water outlet tray 410 are disposed to be staggered in the axial direction of the tub 200, the scooping spoon 430 is located closer to the tub 100 in the axial direction of the tub 200 with respect to the water outlet tray 410, and the water guide arms 420 are formed with corresponding bends to connect the water outlet tray 410 and the scooping spoon 430. This allows the scoop 430 to extend outward, offset in a vertical plane from the basin 410 and portions of the water directing arms 420, to facilitate scooping of water by the scoop 430.

In some specific examples of the present invention, as shown in fig. 11, the shower pipe 411 is extended into the lifting wheel 730 from the water returning port 221, the tray 440 is provided on the inner sidewall of the shower pipe 411, and the receiving chamber 710 is formed in the tray 440. When the adding member 800 needs to be replaced, the spraying head 740 is detached from the lifting wheel 730, the adding member 800 on the tray 440 can be exposed, and after the adding member 800 is replaced, the spraying head 740 is installed back to the lifting wheel 730.

Specifically, as shown in fig. 11, a partition plate 450 is provided in the shower pipe 411, and the partition plate 450 partitions the shower port 330 in the shower pipe 411 into a plurality of regions, each of which corresponds to one of the plurality of flow passages 320, and each of which is provided with a tray 440. For example, the partition plate 450 divides the shower opening 330 into three regions in the shower pipe 411, the number of the trays 440 is three, and the three trays 440 are arranged on the inner side wall of the shower pipe 411 at intervals along the circumferential direction of the shower pipe 411 and are respectively located in the three regions.

Alternatively, the shower pipes 411 may extend to stop against the shower head 740, the tray 440 may stop against the shower head 740, or may leave a gap with the shower head 740, as long as the gap ensures that the filling member 800 is not exposed.

Further, to further increase the flow of water through the receiving chamber 710, the tray 440 may be perforated.

In some specific examples of the present invention, as shown in fig. 7, an inside surface of the scooping spoon 430 in a radial direction of the tub 200 is configured to be inclined toward a radially outer side, and the water intake port 310 is provided on the inside surface of the scooping spoon 430, whereby the water intake port 310 can be inclined in a direction away from the water guide arm 420 along a circumferential direction of the tub 200. Specifically, when the scoop 430 is turned to the lowermost position, the intake port 310 thereon is disposed obliquely with respect to the vertical and horizontal directions, i.e., toward the upper direction and away from the water guide arm 420. Thus, when the scoop 430 is rotated in the lowermost direction, wash water in the tub 100 can immediately enter the water taking apparatus 300 through the water intake port 310, thereby further facilitating water taking.

Further, as shown in fig. 7 and 8, each scoop 430 is provided with two water intake ports 310, and the two water intake ports 310 are respectively located at both sides of the water guide arm 420 where the scoop 430 is located in the circumferential direction of the tub 200. Therefore, the water taking device 300 has good water taking performance no matter clockwise or anticlockwise rotating, and improves the applicability and the assembly convenience.

Alternatively, as shown in fig. 4 to 7, an outer side surface of the scooping spoon 430 in a radial direction of the tub 200 is configured in an arc shape adapted to the shape of the inner circumferential surface of the tub 200, and the arc-shaped surface of the scooping spoon 430 is closely attached to the inner circumferential surface of the tub rim 210, so that the water getting apparatus 300 and the tub 200 are integrated, and the axial length of the integrated body is reduced.

Other constructions and operations of the drum washing machine 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

A tub assembly 10 for a drum washing machine according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 to 8, a tub assembly 10 for a drum washing machine according to an embodiment of the present invention includes a tub 200, side laundry lifting ribs 600, and center laundry lifting ribs 700, which are rotatable in synchronization.

The side laundry lifting rib 600 is provided to an inner side surface of the tub 200. The side laundry lifting rib 600 is provided near the center of the bottom of the tub 200, and the center laundry lifting rib 700 is provided with a receiving cavity 710 adapted to receive the filling member 800, the receiving cavity 710 having an opening through which water flows.

According to the tub assembly 10 for the drum washing machine of the embodiment of the invention, the lateral clothes lifting rib 600 is arranged on the inner side surface of the tub 200, and the central clothes lifting rib 700 is arranged near the center of the bottom of the tub 200, so that when the drum washing machine 1 is operated for washing, the lateral clothes lifting rib 600 and the central clothes lifting rib 700 rotate along with the tub 200, the clothes near the lateral part of the tub 200 in the tub 200 are lifted to a high place by the lateral clothes lifting rib 600 and then fall down for beating, and the clothes at the center of the tub 200 are lifted to a high place by the central clothes lifting rib 700 and then fall down for beating, so that the clothes at the inner edge and the center of the tub 200 can be fully beaten, and the washing effect is improved.

And, the central laundry lifting rib 700 is provided with an accommodating chamber 710 having an opening, the accommodating chamber 710 can be placed with an additive 800, such as a bactericide, an aromatic, etc., and during the laundry contacting with the central laundry lifting rib 700, a part of the water flow can enter the accommodating chamber 710 through the opening and bring the additive 800 in the accommodating chamber 710 out to the washing tub 200, thereby further improving the washing effect.

Therefore, the tub assembly 10 for the drum washing machine according to the embodiment of the present invention can lift and beat the laundry better, which is advantageous to improve the washing effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A drum washing machine characterized by comprising:

a water containing barrel;

a drum rotatably provided within the tub:

the lateral clothes lifting rib is arranged on the inner side surface of the washing barrel;

center clothing promotes the muscle, center clothing promotes the muscle and locates near the bottom center of pail, center clothing promotes the muscle and is equipped with the chamber that holds that is suitable for placing the interpolation piece, it has the opening that supplies rivers to pass through to hold the chamber, center clothing promotes the muscle and includes the shower nozzle, and the lid is located hold the chamber the opening, seted up on the shower nozzle and sprayed the hole, the orientation of shower nozzle the outside surface of pail is equipped with the box body, it forms to hold the chamber in the box body, be equipped with on the box body and dismantle and be used for the closing cap hold the chamber orientation the lid of the outside one end of pail, the pail includes barrel head and bundler hoop.

2. A drum washing machine according to claim 1, characterized in that the central laundry lifting rib comprises:

the lifting wheel is arranged on the inner side surface of the bottom of the washing barrel and is positioned near the center of the bottom of the washing barrel, a lifting protrusion is arranged on the surface of the inner part of the washing barrel and faces the lifting wheel, the accommodating cavity is arranged in the lifting wheel, and one end of the accommodating cavity, which faces the inner part of the washing barrel, is opened to form the opening.

3. A drum washing machine according to claim 2, characterized in that the lifting protrusions are plural, each lifting protrusion extends along a radial direction of the lifting wheel and the plurality of lifting protrusions are arranged at equal intervals along a circumferential direction of the lifting wheel; the spray head is in a spherical crown shape protruding towards the inside of the washing bucket, and the spray holes are distributed on the spray head uniformly; the cross-sectional area of the lifting wheel is gradually increased along a direction from a bottom part far away from the washing barrel to a bottom part adjacent to the washing barrel; the width of the lifting lug is gradually increased from inside to outside along the radial direction of the lifting wheel; portions of the outer peripheral edge of the lifting wheel located between adjacent lifting projections form a recess that is recessed toward the center of the lifting wheel.

4. A drum washing machine according to claim 2 or 3, characterized by further comprising:

the water taking device rotates along with the washing bucket and is provided with a water taking opening, a flow passage and a spraying opening, the spraying opening is communicated with the spray head, the periphery of the flow passage is closed, and the flow passage is communicated with the water taking opening and the spraying opening;

wherein the water intake device is configured such that, when the tub rotates, the water intake scoop the liquid in the tub and the liquid is made to flow into the tub from the spray head along the flow passage by gravity.

5. A drum washing machine according to claim 4, wherein the tub is provided with a water return port communicating with the accommodating chamber and the spray port; the accommodating chamber extends along the axial direction of the washing tub, and one end of the accommodating chamber facing the outside of the washing tub is communicated with the water return port.

6. A drum washing machine according to claim 4, characterized in that the water intake is located at the outer periphery of the tub bottom, the spray port is located at the center of the tub bottom, and the flow passage extends in the radial direction of the tub bottom; the central axis of the spraying port is coincident with the central axis of the washing barrel, the spraying port is arranged in the barrel bottom in the axial direction, the central axis of the water intake is perpendicular to the central axis of the spraying port, and the water intake is arranged in the barrel bottom in the radial direction; the water intake is a plurality of and along the equidistant setting of circumference of pail, the runner is a plurality of, a plurality of the one end of runner with spray the mouth intercommunication and the other end respectively with a plurality of the water intake intercommunication.

7. A drum washing machine according to claim 5 or 6, characterized by further comprising:

the water taking device is arranged between the bucket bottom and the supporting frame, and is suitable for being fixed on the bucket ring and/or the supporting frame through a fastening piece.

8. A drum washing machine according to claim 7, characterized in that the water intake device is provided with a circumferential limiting groove, and at least a part of the support frame is fitted in the circumferential limiting groove.

9. A drum washing machine according to claim 8, characterized in that the water intake device comprises:

the water outlet disc is provided with a spray pipe penetrating through the washing barrel, and the spray port is formed in the spray pipe;

the flow channel is arranged in each water guide arm, and one end of each water guide arm is connected with the water outlet disc and is arranged at equal intervals along the circumferential direction of the water outlet disc;

a plurality of bailing spoons, every be equipped with on the bailing spoon the mouth of intaking, it is a plurality of the bailing spoon is connected respectively in a plurality of the other end of water guide arm.

10. A drum washing machine according to claim 9, wherein the tub is provided with a return port communicating with the receiving chamber and the spray port, the spray pipe is extended into the lifting wheel from the return port, a tray is provided on an inner side wall of the spray pipe, and the receiving chamber is formed in the tray.

11. A drum washing machine according to claim 9, wherein the scooping scoop and the water outlet tray are disposed offset in an axial direction of the tub, the scooping scoop being closer to the tub in the axial direction of the tub with respect to the water outlet tray; an inside face of the scooping spoon in a radial direction of the wash tub is configured to be inclined toward a radially outside, the water intake port being provided on the inside face of the scooping spoon; an outer side surface of the water scooping spoon in a radial direction of the tub is configured in an arc shape fitting an inner peripheral surface shape of the tub; and two water taking ports are arranged on each water scooping spoon, and the two water taking ports are respectively positioned at two sides of the water guide arm where the water scooping spoon is positioned in the circumferential direction of the washing bucket.

12. A wash tub assembly for a drum washing machine, comprising:

a rotatable washing tub;

center clothing promotes the muscle, center clothing promotes the muscle and locates near the bottom center of pail, center clothing promotes the muscle and is equipped with the chamber that holds that is suitable for placing the interpolation piece, it has the opening that supplies rivers to pass through to hold the chamber, center clothing promotes the muscle and includes the shower nozzle, and the lid is located hold the chamber the opening, seted up on the shower nozzle and sprayed the hole, the orientation of shower nozzle the outside surface of pail is equipped with the box body, it forms to hold the chamber in the box body, be equipped with on the box body and dismantle and be used for the closing cap hold the chamber orientation the lid of the outside one end of pail.