CN206034108U - Rotary drum washing machine - Google Patents

Abstract

The utility model discloses a rotary drum washing machine, rotary drum washing machine includes: outer bucket, inner tube and connection pad, wherein, the inner tube is rotatably established in outer bucket, and the inner tube bottom surface is formed with downwardly extending's the drainage muscle wing, and the bobbin base face was circumferential a plurality of including the drainage muscle wing included the edge circumference interval arrangement of inner tube, the bottom at the inner tube is connected to the connection pad. According to the utility model discloses a rotary drum washing machine, a clean section of thick bamboo is effectual.

Description

Rotary drum washing machine

Technical field

This utility model is related to household electrical appliance technical field, more particularly, to a kind of rotary drum washing machine.

Background technology

After rotary drum washing machine clothes washing, washing machine inner/outer tube barrel can remain a large amount of medicated clothing lines bits, soft flocks and sticky Wash water, and the wet environment of the rear enclosed because of washing, grow the condition of creating to microorganisms such as antibacterial, mycetes, long and Long it, the barrel between inner/outer tube can form the dirty layer of one layer of yellow, bring greater risk to the physical and mental health of user.

However, the rotary drum washing machine for being provided with self-cleaning program in correlation technique, only relies on small mechanical force collision difficult To take out stains, cause the clean cylinder scarce capacity of washing machine；Or newly added excessive attachment device for cleaning washing machine, improve Whole machine cost and market price；Meanwhile, introduce clean cylinder function and also greatly improve washing machine energy consumption.

Utility model content

This utility model is intended at least solve one of technical problem present in prior art.For this purpose, this utility model exists In a kind of rotary drum washing machine is proposed, the rotary drum washing machine has the advantages that clean cylinder effect is good.

According to this utility model rotary drum washing machine, including：Outer barrel；Inner core, the inner core are rotatably provided in said tub Interior, the inner core bottom surface is formed with the draining muscle wing for extending downwardly, and the draining muscle wing is included along the circumferentially-spaced of the inner core It is arranged in the multiple of inner core bottom surface periphery；Terminal pad, the terminal pad are connected to the bottom of the inner core.

According to rotary drum washing machine of the present utility model, by arranging the draining muscle wing, there is provided the effect of one centrifugal force of current, Facilitate current upstream to clean inner core and the outer barrel of washing machine, make barrel be subject to the high intensity of current to wash away plow effect, so as to Stripping dirt can be washed away with high intensity, improve the clean cylinder effect of rotary drum washing machine.

In some embodiments of the present utility model, it is formed with the inner peripheral surface of said tub towards said tub internal projection Convex tendon, the convex tendon is along the circumferentially extending of said tub, and the convex tendon includes one or spaced apart along the vertical direction many It is individual.

In some embodiments of the present utility model, the downside of the convex tendon is in side from the bottom up up towards described outer Bucket is tilted, and the upper side of the convex tendon is in side's, upper side of the convex tendon tilted up towards said tub from top to bottom With the downside arcwall face in evagination, the upper side of the convex tendon and the inner peripheral surface arc transition of said tub, the convex tendon Downside and said tub inner peripheral surface arc transition, in upper side and the downside phase of the inner described convex tendon of the convex tendon Connect and be in arc transition.

Further, said tub depth a quarter in the range of 3/4ths arranged for interval along the vertical direction There are multiple convex tendons.

In some embodiments of the present utility model, the convex tendon is from the raised height of the inner peripheral surface of said tub in 4 millis , in the range of 6 millimeters, the quantity of the convex tendon is in the scope of 4 to 7 for rice.

In some embodiments of the present utility model, the draining muscle wing the radially extending along the inner core.

In some embodiments of the present utility model, the quantity of the draining muscle wing in the range of 24 to 36, and each The drainage area of the draining muscle wing is in the range of 2000 square millimeters to 3000 square millimeters.

In some embodiments of the present utility model, the bottom of the inner core is provided with terminal pad, and the terminal pad includes： Central plate, the dead in line of the axis of the central plate and the inner core；Limb portion, the limb portion along the central plate radial direction to Outer extension, and the limb portion includes that around the central plate arranged for interval be in the multiple of divergent shape.

Further, it is gradually reduced in the width dimensions for going up the limb portion radially outward direction.

Alternatively, two sides relative in the two neighboring limb portion are connected and junction rounding off is to form arc Guiding gutter.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Fig. 1 is the schematic diagram of the rotary drum washing machine according to this utility model embodiment；

Fig. 2 is the schematic diagram of the inner core shown in Fig. 1；

Fig. 3 is the enlarged drawing at the A that Fig. 2 centre circles show；

Fig. 4 is the schematic diagram of the outer barrel shown in Fig. 1；

Fig. 5 is the sectional view of the outer barrel shown in Fig. 4；

Fig. 6 is the enlarged drawing at the B that Fig. 5 centre circles show.

Reference：

Rotary drum washing machine 100,

Outer barrel 1, convex tendon 11,

Inner core 2, the draining muscle wing 21,

Terminal pad 3, central plate 31, limb portion 32, guiding gutter 33,

Impeller 4, motor 5, balance ring 6.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model Restriction.

Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model.For Simplification disclosure of the present utility model, is hereinafter described to the part and setting of specific examples.Certainly, they are only and show Example, and purpose does not lie in restriction this utility model.Additionally, this utility model can in different examples repeat reference numerals And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set Relation between putting.Additionally, the example of the various specific technique that provides of this utility model and material, but this area is common Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.

The rotary drum washing machine 100 according to this utility model embodiment is described below with reference to Fig. 1-Fig. 6.

As shown in figure 1, according to the rotary drum washing machine 100 of this utility model embodiment, including：Outer barrel 1 and inner core 2, inner core 2 It is rotatably provided in outer barrel 1.

Wherein, in certain embodiments, as Figure 4-Figure 6, outer barrel 1 in top (such as the outer barrel 1 shown in Fig. 4 Top) unlimited staving shape, be formed with the inner peripheral surface of outer barrel 1 towards in outer barrel 1 (such as shown in Fig. 4 towards in outer barrel 1 The direction of heart axis) raised convex tendon 11, convex tendon 11 is circumferentially extending along outer barrel 1, and convex tendon 11 includes one or vertically side To spaced apart multiple, that is to say, that can only arrange one on the inner peripheral surface of outer barrel 1 along the circumferentially extending convex tendon of outer barrel 1 11, multiple convex tendons 11 circumferentially extending along outer barrel 1 can also be set on the inner peripheral surface of outer barrel 1, and multiple convex tendons 11 are along outer barrel 1 Axis direction (such as the above-below direction shown in Fig. 4) interval setting.

By arranging convex tendon 11 circumferentially on the internal face of outer barrel 1, when current edge under the influence of centrifugal force When the water stream channel limited between inner core 2 and outer barrel 1 rises, rolling current can be produced near 11 position of convex tendon, is backwashed Brush wall, makes barrel be subject to the high intensity of current to wash away plow effect, washes away stripping dirt such that it is able to high intensity, improve impeller The clean cylinder effect of washing machine 100.

In one embodiment of the present utility model, as shown in Figure 5 and Figure 6, the downside of convex tendon 11 is from the bottom up Incline (in other words towards the centrage of outer barrel 1) towards in outer barrel 1 on direction, the upper side of convex tendon 11 side from top to bottom up towards Outer barrel 1 is tilted.In other words, the outer of the downside of convex tendon 11 is connected with the inner surface of outer barrel 1, and the downside of convex tendon 11 Outer is inclined upwardly；The extension of the upper side of convex tendon 11 is connected with the inner surface of outer barrel 1, and the interior edge of the upper side of convex tendon 11 to Lower inclination.Thus, during current rising, in current effectively can be guided to by the upper side of convex tendon 11 and downside 2 directions of cylinder, allow current effectively to wash away barrel, so as to realize the purpose of clean cylinder.Further, it is also possible to be easy to convex tendon 11 to process Molding, makes the structure of convex tendon 11 simpler rationally.

When washing machine runs, current can impact the downside of convex tendon 11 from lower to upper, as downside is from outside to inside Direction on be inclined upwardly, therefore, current will be continued to move up along the downside of convex tendon 11, not only can play disturbance The effect of current, increases washing away to outer barrel 1 and inner core 2, and as the downside of convex tendon 11 inclines, can facilitate current It is dynamic, reduce the obstruction to current.

Further, with reference to Fig. 6, on the section of 1 axis of outer barrel, the upper side of convex tendon 11 and downside are in outer The arc of convex (namely projecting inward towards outer barrel 1), in other words, the upper side of the convex tendon 11 and downside arcwall face in evagination Shape.Thus, it is possible to further enhance the turbulence intensity of the current for flowing through convex tendon 11, strengthen the plow of washing away to barrel and act on, carry Noble and unsullied cylinder effect, further, it is also possible to make the structure of convex tendon 11 more reasonable.

Preferably, with reference to Fig. 6, the upper side of convex tendon 11 and the inner peripheral surface arc transition of outer barrel 1, the downside of convex tendon 11 with The inner peripheral surface arc transition of outer barrel 1, is connected with downside in the upper side of the inner convex tendon 11 of convex tendon 11 and is in arc transition.By This, can further enhance the turbulence intensity of the current for flowing through convex tendon 11, strengthen the plow of washing away to barrel and act on, improve clean cylinder Effect, further, it is also possible to make the structure of convex tendon 11 more reasonable.

In one embodiment of the present utility model, convex tendon 11 is horizontal-extending, and further, convex tendon 11 is in the horizontal direction Along outer barrel 1 it is circumferentially extending in a ring.Thus, it is possible to improve the motility of the setting of convex tendon 11.For example in showing shown in Fig. 4-Fig. 6 In example, convex tendon 11 is horizontal-extending along the circumference of the inwall of outer barrel 1, thus, it is possible to simplify the structure of outer barrel 1, is easy to outer barrel 1 to process Molding.

In addition, convex tendon 11 can also be upwardly extended along the circumferential spiral of outer barrel 1.

With reference to Fig. 1, in a quarter of 1 depth of outer barrel, in the range of 3/4ths, arranged for interval has many along the vertical direction Individual convex tendon 11.Thus, it is possible to further improve clean cylinder effect.Here, it should be noted that rotary drum washing machine 100 is being used During, it is the most easily dirty ground of rotary drum washing machine 100 in the range of 3/4ths positioned at a quarter of 1 depth of outer barrel Side, therefore, the turbulence intensity of the current in the range of this by convex tendon 11 is arranged within this range, can be strengthened, strengthened to cylinder The plow of washing away of wall is acted on, and improves clean cylinder effect.

Preferably, with reference to Fig. 6, convex tendon 11 is from the raised height of the inner peripheral surface of outer barrel 1 in the range of 4 millimeters to 6 millimeters. Thus, not only can ensure that current form rolling current in 11 position of convex tendon, strengthen the scouring effect to barrel, while can also Avoid the resistance that current rise excessive, so that the setting of convex tendon 11 is more reasonable.

Further, the quantity of convex tendon 11 can be in the scope of 4 to 7.Thus, it is possible to improve rotary drum washing machine 100 clean cylinder effect, while so that the structure of outer barrel 1 is simpler, be easy to processing.

In addition, the description of the above-mentioned quantity to convex tendon 11 of this utility model, height of projection is only of the present utility model one Individual specific embodiment, is not the restriction to this utility model protection domain, and the height of convex tendon of the present utility model 11 can also It is that, less than 4 millimeters or more than 6 millimeters, and the quantity of convex tendon 11 might be less that 4 or more than 7.For example, it is of the present utility model The height of convex tendon 11 can be 3 millimeters, 4.5 millimeters, 5 millimeters, 7 millimeters etc., and the quantity of convex tendon of the present utility model 11 can Think 3,5,8,10 etc..

To upstream, this utility model can be at the bottom of inner core 2 in gap of the current between inner core 2 and outer barrel 1 for convenience Portion arranges drying structure, and this drying structure can conveniently drive water to flow up, and certainly, this drying structure can also be applied In being not provided with the washing machine of the aforesaid convex tendon of this utility model 11, this is will be appreciated that for those skilled in the art.

In certain embodiments, the bottom of inner core 2 is provided with drying structure.

Preferably, drying structure includes the draining muscle wing 21, and the draining muscle wing 21 is located on 2 bottom surface of inner core and extends downwardly, row The water muscle wing 21 includes being arranged in the multiple of 2 bottom surface periphery of inner core along the circumferentially-spaced of inner core 2.

In one embodiment of the present utility model, with reference to Fig. 2 and Fig. 3, the draining muscle wing 21 can prolong along the radial direction of inner core 2 Stretch.Thus, the draining muscle wing 21 can play a part of guiding to current so that the water between 2 diapire of terminal pad 3 and inner core Stream being squeezed in the water stream channel that outer barrel 1 is limited jointly with inner core 2 by the draining muscle wing 21, in addition it is also possible to Simplify the structure of the draining muscle wing 21, be easy to 2 machine-shaping of inner core.

In one embodiment of the present utility model, with reference to Fig. 2, the quantity of the draining muscle wing 21 in the range of 24 to 36, And the drainage area of each draining muscle wing 21 is in the range of 2000 square millimeters to 3000 square millimeters.Thus, it is possible to protect The power consumption of rotary drum washing machine 100 on the premise of demonstrate,proving clean cylinder effect, is reduced, the efficiency of rotary drum washing machine 100 is improved.

During rotary drum washing machine 100 operates, current are subject to the exclusion of the draining muscle wing 21 to act on, and constantly move to surrounding Dynamic, while under the influence of centrifugal force, current are pushed out into the water stream channel limited between inner core 2 and outer barrel 1 and continuous Rise.The direction of arrow shown in Fig. 1 is water (flow) direction.

Preferably, convex tendon 11 circumferentially is provided with 1 inwall of outer barrel, and current are subject to convex tendon during rising 11 stop can occur suddenly commutation, and form the rotating vortex of local in the trailing edge portion region of convex tendon 11, convex so as to cause The current turbulence intensity increase of 11 position of muscle, so, acts on current institute equivalent to there is provided a very strong tangential plow power On the barrel of touching, thus, it is possible to be efficiently peeled off the residue being attached on barrel, the effect of clean cylinder is realized.

In some embodiments of the present utility model, the bottom of inner core is also connected with disk 3, and wherein, terminal pad 3 is connected to inner core 2 bottom.

In one embodiment of the present utility model, as shown in Fig. 2 terminal pad 3 can include：Central plate 31 and limb portion 32, wherein, the axis of central plate 31 and the dead in line of inner core 2, to ensure the stationarity in 2 rotation process of inner core；Limb portion 32 Along extending radially outwardly for central plate 31, and limb portion 32 includes that around 31 arranged for interval of central plate be in the multiple of divergent shape, thus, During installation, be connected with the diapire of inner core 2 by multiple limb portions 32, can improve between inner core 2 and terminal pad 3 can By property, while it is also possible that the structure of terminal pad 3 is more reasonable.

Further, with reference to Fig. 2, the width dimensions in upper limb portion 32 radially outward direction are gradually reduced.Thus, may be used It is in the case where 3 bulk strength of terminal pad is ensured, to reduce material usage, cost-effective.Further, it is also possible to increase terminal pad 3 The area of the flow-guiding channel limited between 2 diapire of inner core, it is ensured that have enough current in the draining muscle wing 21 and centrifugal force The water stream channel limited between collective effect lower edge inner core 2 and outer barrel 1 rises, so as to ensure clean cylinder effect.

Alternatively, two sides relative in two neighboring limb portion 32 are connected and junction rounding off is to form arc Guiding gutter 33, thus, it is possible to reduce the flow resistance of current, it is ensured that clean cylinder effect, meanwhile, the joint face in two adjacent limb portions 32 Rounding off, can also avoid stress concentration, such that it is able to improve the service life of terminal pad 3.

In 2 rotary course of inner core, terminal pad 3 also will drying, there is provided feedwater centrifugal force.

As shown in figure 1, during rotary drum washing machine 100 operates, current by terminal pad 3 and 2 bottoms of inner core it Between limit runner when, by the draining muscle wing 21 exclusion act on, constantly to moving around, while in the effect of centrifugal force Under, current are pushed out into the water stream channel limited between inner core 2 and outer barrel 1 and constantly rise.It is illustrated in figure 6 current side To schematic diagram, due to being provided with convex tendon 11 circumferentially on 1 inwall of outer barrel, current are subject to convex tendon 11 during rising Stop can suddenly occur commutation, and convex tendon 11 trailing edge portion region formed local rotating vortex, so as to cause convex tendon The current turbulence intensity increase of 11 positions, it is so, touched equivalent to current are acted on there is provided a very strong tangential plow power On the barrel for touching, thus, it is possible to be efficiently peeled off the residue being attached on barrel, the effect of clean cylinder is realized.

The rotary drum washing machine 100 according to one specific embodiment of this utility model is described below with reference to Fig. 1-Fig. 6.

With reference to Fig. 1, rotary drum washing machine 100 includes outer barrel 1, inner core 2, terminal pad 3, impeller 4, motor 5 and balance ring 6, and Rotary drum washing machine 100 is built-in with clean cylinder program.

Specifically, as shown in figure 1, inner core 2 is rotatably provided in the inner side of outer barrel 1, the bottom of the inner core 22 of the connection of terminal pad 3 Portion, impeller 4 are located in inner core 22 and positioned at the top of terminal pad 3, motor 5 be located at the bottom of outer barrel 1 and pass through 5 axle of motor and Speed-reducing clutch is connected with wash shaft and dehydrating shaft, and balance ring 6 is located at the top of inner core 2.

Inwardly protruded convex tendon 11 is formed with the inner peripheral surface of outer barrel 1, and convex tendon 11 is along the circumferentially extending of outer barrel 1 and including edge Above-below direction is spaced apart multiple.The upper side of convex tendon 11 be in inside and downward-sloping arcwall face, the downside of convex tendon 11 In inwardly and the extension that is inclined upwardly arcwall face, the upper side of convex tendon 11 is connected with downside and is in arc transition, and convex tendon 11 Inner peripheral surface arc transition with outer barrel 1 of upper side and downside.

Preferably, convex tendon 11 from the raised height of the inner peripheral surface of outer barrel 1 in the range of 4 millimeters to 6 millimeters.

Preferably, in a quarter of 1 depth of outer barrel, in the range of 3/4ths, arranged for interval has 4 along the vertical direction To 7 convex tendons 11.

The draining muscle wing 21 for extending downwardly is provided with the outside of the diapire of inner core 2, and the draining muscle wing 21 prolongs along the radial direction of inner core 22 Stretch and the multiple of 22 bottom surface periphery of inner core are arranged in including along the circumferentially-spaced of inner core 2.

Preferably, the quantity of the draining muscle wing 21 is in the range of 24 to 36, and the drainage area of each draining muscle wing 21 exists In the range of 2000 square millimeters to 3000 square millimeters.

Terminal pad 3 includes central plate 31 and limb portion 32, the dead in line of central plate 31 and inner core 2, and limb portion 32 includes surrounding Central plate 31 is uniformly arranged and in the multiple of divergent shape, and in two adjacent limb portions 32, two relative sides are connected and circular arc mistake Cross to form the guiding gutter 33 of arc.Preferably, radially outward direction, the width dimensions in limb portion 32 are gradually reduced.

When rotary drum washing machine 100 runs clean cylinder program segment, clutch brake is opened, and embraces spring locking, wash shaft and dehydration Axle locking is integral and is in common operating condition under the driving of motor 5, and 2 exclusion current of the bottom draining muscle wing 21 of inner core make which Constantly rise in water stream channel between inner core 2 and outer barrel 1, while impeller hole of the washings stream in inner core 2 by impeller 4 The water conservancy diversion runner limited and the guiding gutter 33 of terminal pad 3 between is continuously replenished current so that the current of rising be provided with it is convex Region in the range of muscle 11 is affected to roll back and forth by convex tendon 11 and is washed away wall, reaches clean cylinder purpose.

Further, since 5 rotating speed of motor is programmed, the different rotating speeds of motor 5 is adjusted by program, allows current to exist Circulation vibration up and down in the region of 11 scope of convex tendon is set so that each position of barrel is not quite similar in the stress of different periods, from And it is further ensured that easy stained area is washed away plow effect by current comprehensively, improve clean cylinder effect.

According to the rotary drum washing machine 100 of this utility model embodiment, rotary drum washing machine 100 does not have drawing for other devices in itself Enter, convex tendon 11 is set only on the inner peripheral surface of outer barrel 1 so that current can reach most easily dirty position, and realize high intensity Stripping dirt is washed away, clean cylinder effect is good.

Additionally, according to the rotary drum washing machine 100 of this utility model embodiment, can be each after the completion of washing, secondary rinsing One section of clean cylinder program is added, Normal Wash program is not affected；And clean cylinder current used are slurry and rinsing water, from And farthest water saving can be realized.

In description of the present utility model, it is to be understood that term " " center ", " length ", " width ", " on ", D score, The orientation of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial direction ", " radial direction ", " circumference " or position relationship It is, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplify description, rather than refer to Show or imply that the device or element of indication with specific orientation, with specific azimuth configuration and operation, therefore must can not be managed Solution is to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be It is mechanically connected, or electrically connects, can also be communication；Can be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be connection or the interaction relationship of two elements of two element internals.For one of ordinary skill in the art For, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State.And, the specific features of description, structure, material or feature can be with Combined in any one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and is combined.

While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that： Various changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective And modification, scope of the present utility model limited by claim and its equivalent.

Claims (9)

1. a kind of rotary drum washing machine, it is characterised in that include：

Outer barrel；

Inner core, the inner core are rotatably provided in said tub, and the inner core bottom surface is formed with the draining muscle wing for extending downwardly, The draining muscle wing includes being arranged in the multiple of inner core bottom surface periphery along the circumferentially-spaced of the inner core；

Terminal pad, the terminal pad are connected to the bottom of the inner core,

The convex tendon towards said tub internal projection is formed with the inner peripheral surface of said tub, and the convex tendon prolongs along the circumference of said tub Stretch, and the convex tendon includes one or spaced apart along the vertical direction multiple.

2. rotary drum washing machine according to claim 1, it is characterised in that the downside of the convex tendon is in side from the bottom up Tilted up towards said tub, the upper side of the convex tendon is tilted up towards said tub in side from top to bottom, described The upper side of the convex tendon and downside arcwall face in evagination, the upper side of the convex tendon and the inner peripheral surface circular arc mistake of said tub Cross, the downside of the convex tendon and the inner peripheral surface arc transition of said tub, in the upside of the inner described convex tendon of the convex tendon Face is connected with downside and is in arc transition.

3. rotary drum washing machine according to claim 2, it is characterised in that in a quarter to four points of said tub depth Three in the range of along the vertical direction arranged for interval have multiple convex tendons.

4. the rotary drum washing machine according to any one of claim 1-3, it is characterised in that the convex tendon is from said tub In the range of 4 millimeters to 6 millimeters, the quantity of the convex tendon is in the scope of 4 to 7 for the raised height of inner peripheral surface.

5. rotary drum washing machine according to claim 1, it is characterised in that the draining muscle wing prolongs along the radial direction of the inner core Stretch.

6. rotary drum washing machine according to claim 1, it is characterised in that the quantity of the draining muscle wing 24 to 36 model In enclosing, and the drainage area of each draining muscle wing is in the range of 2000 square millimeters to 3000 square millimeters.

7. rotary drum washing machine according to claim 1, it is characterised in that the bottom of the inner core is provided with terminal pad, institute Stating terminal pad includes：

Central plate, the dead in line of the axis of the central plate and the inner core；

Limb portion, limb portion the extending radially outwardly along the central plate, and the limb portion include being spaced around the central plate Arrangement is multiple in divergent shape.

8. rotary drum washing machine according to claim 7, it is characterised in that going up the limb portion radially outward direction Width dimensions are gradually reduced.

9. the rotary drum washing machine according to claim 7 or 8, it is characterised in that relative two in the two neighboring limb portion Individual side is connected and junction rounding off is to form the guiding gutter of arc.