CN102587072B

CN102587072B - Wave wheel of washing machine

Info

Publication number: CN102587072B
Application number: CN201210046667.6A
Authority: CN
Inventors: 勇忠新; 文廷辉; 余德涛; 殷其洋
Original assignee: Wuxi Little Swan Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2012-02-28
Filing date: 2012-02-28
Publication date: 2014-05-07
Anticipated expiration: 2032-02-28
Also published as: CN102587072A

Abstract

The invention discloses a wave wheel of a washing machine, comprising a base and a plurality of blades arranged on the base, wherein the blades are provided with veins and water propelling surfaces with slopes at two sides. The wave wheel is characterized in that a cone-shaped platform is arranged at the middle part of the base; raised propelling ribs of which the quantity is same as the quantity of the blades are arranged on the vertical face of the cone-shaped platform and smoothly connected to the corresponding veins; water propelling surfaces of each blade have different slopes; concave surfaces and convex surfaces are arranged on the water propelling surfaces; the veins are S-shaped for corresponding to the curve surface changes of the concave surfaces and convex surfaces of the water propelling surfaces; moreover, side-looking lines of the veins are continuous curves firstly concave and then convex outwards from the center of the base. According to the invention, the blades show a streamline shape like a propeller and the water propelling surfaces are smooth and temperate, but the motive power is strong and the washing ability is outstanding; meanwhile, water flow raised in the middle can be generated to ensure that clothes rotated to the central position of a wash bucket are scattered and effectively prevented from being intertwisted; in addition, the destroy of backward rotation to water flow trend is decreased to ensure that the anti-intertwist ability is further increased.

Description

A kind of agitation wheel for washing machine

Technical field

The present invention relates to washing machine, particularly a kind of better impeller of antiwind ability that produces current.

Background technology

Washing machine is a kind of home appliance that utilizes mechanical energy to drive current to wash clothes, the common automatic washing machine with impeller, the impeller that contains washtub and washtub inside, impeller rotation produces current, clothing along with current rolling is stirred, reaches clean object in washtub.Hence one can see that, and the current of washing machine are most important to washability, according to the variation of current, has the multiple concepts such as " surfing current ", " hand-rubbing type current ", and its essence is exactly different directions and the intensity of current.

Existing automatic washing machine, the general function all with impeller rotating, is used for producing the current of whirlpool and rolling, be intended to produce stronger current and improve clean result, but the negative effect bringing is the winding that easily causes clothing.Once clothing is wound around, not only clothing is difficult to wash clean, and the heavy burden of whole washing machine is seriously eccentric, and mechanical loss increases greatly, and vibration and noise also can increase thereupon; This adverse effect is especially obvious in the water smoking of automatic washing machine.

Wuxi Little Swan Co. Ltd takes the lead in proposing " water magic square " technology in industry, utilizes various technological means to prevent that clothing is wound around, and has suitable effect, and wherein, the impact of impeller technology content is very large.

But current, along with clothing material and washing machine power and intelligentized development, old " water magic square " impeller of technology is faced with the needs of upgrading equally.

Summary of the invention

The object of the invention is, in order to solve the problem that in the washing course of washing machine described in background technology, clothing is wound around, to invent a kind of agitation wheel for washing machine of the antiwind better effects if that produces current.

For reducing the generation being wound around, the current that need to produce when impeller rotates not only rotate but also want and can upwards roll, and can break up clothing, reach antiwind object.

For this reason, antiwind agitation wheel for washing machine of the present invention, comprises base and the multiple blades on base is set, and blade is that the divergence line outside along base center arranged, the interval angle between each blade is identical; Described blade protrudes from susceptor surface, and blade bottom greatly, one of upwards convergence formation is positioned at the vein of vane tip and the acclive drying face of the tool of both sides gradually; It is characterized in that: in the centre position of base, be provided with a taper platform, the outer facade of taper platform is provided with protruding stirring bar, and stirring bar quantity is identical with blade quantity, and position is corresponding one by one with blade, each stirring bar is in smoothing junction to corresponding vein; Two drying masks of described blade have different gradient slopes, and the drying face of front side is steep, by taper platform place, are provided with protruding drum surface, to base outer direction, a recessed collection face are set after protruding drum surface finishes; The drying face of rear side is mild than front side, by taper platform place, recessed collection face is set, and outward direction arranges protruding drum surface after recessed collection face; Meanwhile, also the recessed collection face of corresponding drying face and the curved surface of protruding drum surface change S-shaped vein; And the side-looking lines of vein are outwards first recessed rear protruding full curves with base center.

Preferred: blade is provided with 5, being arranged on base of decile angle.

In order further to improve current control effect, the top line of described stirring bar is shaped as indent camber line, and vein is connected smoothly.

Another is preferred: the middle part, bottom surface of described base is recessed, and the taper platform on base and the connection of bottom surface are in smoothing junction.

Preferably the back side of base is vertical is provided with reinforcement.

On the bottom surface of base, be also provided with auxiliary current muscle.

Impeller of the present invention, the blade of whole impeller presents the streamlined of screw, and drying face is all smoothed curve, drying action is gentle, but the water yield can be concentrated along with the set of curves of drying face arrives centre, and three-dimensional recessed collection face can produce powerful whirlpool and rolling, so washability is outstanding; Meanwhile, along with rotation, at taper platform with base is recessed and the guiding of blade, the current that rise in the middle of producing again, break up the clothing that rotates to washtub center, effectively avoid being wound around.Blade has been used asymmetrical drying face design, and rotating current difference is guaranteeing under the prerequisite of current rolling, reduces the destruction of reversion to current trend, further improves antiwind ability.

Accompanying drawing explanation

Fig. 1, structure chart of the present invention;

Fig. 2, top view of the present invention;

Fig. 3, lateral plan of the present invention.

The specific embodiment

The present embodiment is optimal case of the present invention.

As Fig. 1, base 1 is discoid, and center is fixed on rotating shaft, and work is carried out in rotation.The bottom surface of whole base 1 be surrounding toward center indent, in center, be provided with one and the concentric taper platform 2 of base 1, the diameter of described taper platform 2 be about base 1 diameter 1/3, level height exceeds the outer of base.

Except being provided with the middle part of taper platform 2, on the bottom surface of base 1, the outside divergence line along centre, arranges 3, five blades of five blades, 3 grades and divides angle to arrange, interval 72 is spent.On base end face between blade and blade, be provided with permeable hole 11 and auxiliary current muscle 12.

As depicted in figs. 1 and 2, the shape of blade 3 is key design contents of the present invention, blade 3 is that a cross section is the stereochemical structure of piling shape, bottom is large, upwards convergence is dwindled gradually, pool vein 32, take the divergence line of mind-set surrounding in base 1 as with reference to center, the both sides of blade 3 refer to the face facing to impeller direction of rotation, the both sides of blade 3 are drying faces 31, the two drying faces 31 of the present embodiment are inclined-planes, intersect at top and form vein 32, the slope difference of the drying face 31 of both sides, form one milder domatic and that another is steeper is domatic, with the situation of the corresponding rotating of difference, form different current.

On the milder drying face of blade 3, for convenience of explanation, take this milder drying facing to direction as reverse directions, institute is hereinafter referred to as reversion drying face.On this reversion drying face, in the place near taper platform 2, be provided with a recessed collection face, recessed collection face refers to that has a pit shape structure that seamlessly transits lines, is used for concentrating and stopping water (flow) direction being exerted an influence current.On aforesaid reversion drying face, outwards disperse direction as outside take the center of base 1, in the outside of recessed collection face, be provided with a protruding drum surface, gathering place is extended to the outermost edge of base 1 outside protruding drum surface; Meanwhile, on steeper drying face (in like manner, referred to as forward drying face), from-inner-to-outer, the curved surface of corresponding aforementioned reversion drying face, sets gradually protruding drum surface, recessed collection face, and extension place of recessed collection face is extended to the outermost edge of base 1; Like this, the upright projection lines that the curve form of two drying faces 31 has just formed vein 32 are a S type, have two camber lines dorsad, and this can obviously embody on Fig. 2.

Meanwhile, as shown in figures 1 and 3, vein 32 is not contour, its side-looking lines are not straight lines, but be that concave arc line, outside are the shape of convex arc line by base 1 center position, forming the full curve at " the outer peak of interior paddy ", the outside downlink of convex arc line is extended to the outermost edges of base 1.

On the taper platform 2 arranging in the middle of base 1, be provided with five stirring bars 21 that protrude from taper platform periphery, stirring bar 21 is that imploded arcs is linear, the vein 32 to five corresponding blades 3 in smoothing junction.Taper platform 2 is also in smoothing junction with the junction of base 1.Like this, stirring bar 21 on taper platform 2 and the vein 3 of blade 3 are connected, the facade except stirring bar 21 of taper platform 2 is connected with base 1, blade drying face 31, become the main function components that current produce, blade 3 present in a vertical direction and rotation direction, all have s shape smooth surface, cross section is the complex geometry body that draws shape from bottom to top in.And, at the back side of base 1, be provided with vertically disposed reinforcement 13, play the effect that increases whole impeller intensity.

About water (flow) direction, as Fig. 2, take the rotation direction of steeper drying face as forward, the current that rotate, and converge to center; As Fig. 1, Fig. 3, under the shape guiding of middle taper platform 2 and base 1, the water (flow) direction of center is bottom-up, can effectively break up and come together middle clothing, reduces the generation being wound around.The drying face of reversion is milder, less on the impact of current, can not destroy current trend, is also to reduce the effective means being wound around.Because the blade 3 of whole impeller and the connection of taper platform 2 are all in smoothing junction, there is no absolute rib and chamfered groove, better to the control ability of current, more can produce a desired effect.

Claims

1. an agitation wheel for washing machine, comprises base (1) and is arranged on the multiple blades (3) on base (1), and blade (3) is that the divergence line outside along base (1) center arranged, the interval angle between each blade (3) is identical; Described blade (3) protrudes from base (1) surface, and blade bottom greatly, one of upwards convergence formation is positioned at the vein (32) of vane tip and the acclive drying face of tool (31) of both sides gradually; It is characterized in that: the middle part, bottom surface of described base (1) is recessed, and centre position is provided with a taper platform (2), taper platform (2) and base end face smooth connection; On the outer facade of taper platform (2), be also provided with protruding stirring bar (21), stirring bar (21) quantity is identical with blade quantity, and position is corresponding one by one with blade (3), and each stirring bar (21) is in smoothing junction to corresponding vein (32); Two drying faces (31) of described blade have different gradient slopes, and the drying face of front side is steep, by taper platform (2), locate to be provided with protruding drum surface, to base outer direction, a recessed collection face are set after protruding drum surface finishes; The drying face of rear side is mild than front side, by taper platform (2), locates to arrange recessed collection face, and outward direction arranges protruding drum surface after recessed collection face; Meanwhile, also the recessed collection face of corresponding drying face and the curved surface of protruding drum surface change S-shaped vein (32); And the side-looking lines of vein (32) are outwards first recessed rear protruding full curves with base center.

2. a kind of agitation wheel for washing machine according to claim 1, is characterized in that: described blade (3) is provided with 5.

3. a kind of agitation wheel for washing machine according to claim 1, is characterized in that: the top line of described stirring bar (21) is shaped as indent camber line, and corresponding vein (32) is connected smoothly.

4. a kind of agitation wheel for washing machine according to claim 1, is characterized in that: the back side of base (1) is provided with vertically disposed reinforcement (13).

5. a kind of agitation wheel for washing machine according to claim 1, is characterized in that: on base (1), be also provided with auxiliary current muscle (12).