CN2512799Y

CN2512799Y - Wave wheel of washing machine

Info

Publication number: CN2512799Y
Application number: CN 01243130
Authority: CN
Inventors: 林小林; 周劲松; 潘咏东; ***
Original assignee: TCL Corp
Current assignee: TCL Corp
Priority date: 2001-08-09
Filing date: 2001-08-09
Publication date: 2002-09-25
Anticipated expiration: 2011-08-09

Abstract

The utility model relates to a wave wheel of washing machine, comprising a washing roller which is arranged at the convex pulse, a team of blade arranged at the washing roller is used with the blades which are arranged at the bottom of the wave wheel, changing the current flow, and the current flow is sprayed from around the washing roller, making the washing roller rotating, thereby changing the current flow, making the current flow more disorganized, preventing the clothes to twist and curl, hereby, increasing the cleaning ratio.

Description

Agitation wheel for washing machine

Technical field:

The utility model relates to a kind of impeller that is used among the washing machine.

Background technology:

Agitation wheel for washing machine is installed among the washtub, comes washing clothes by producing rotary water current.Figure 12～13rd has the vertical cross-section diagram of washing machine of traditional impeller and the perspective view of agitation wheel for washing machine.The impeller 4 of this washing machine 12 has the main body 5 of plate-like, and a plurality of washing convex veins 7 extend radially out to the edge from the surperficial upper edge central boss 29 of main body 5.During laundry operation, impeller 4 is driven by drive unit and reciprocally rotates to produce reciprocal rotary water current and wash the clothing that is contained in the washtub, washing current radially scattering along impeller, rise along the washtub internal face then, fall in the centre on washtub 15 tops again, form closed circuit, shown in the arrow among Figure 11.Clothing in the washtub 15 under the dynamic action of current and with the collision of impeller 4 and washtub 15 inwalls under realize washing.This circulating water flow makes clothing coil buckling and winding, has reduced washability.The coil buckling of clothing and twine can the infringement clothing in the dehydration simultaneously, and bring difficulty to the clothing that the user puts washing in order.

Summary of the invention:

At the problems referred to above, the purpose of this utility model provides a kind of impeller of washing machine, it can generate the multi-C stereo current, prevented that twining of washing clothes from turning round and damaging, and can make clothing when rinsing, remove washing agent more thorough, what prevented washing agent remains in various chemical compositions on the clothing to the injury of human body, and has improved detersive efficiency.

In order to achieve the above object, a kind of impeller that is used for washing machine described in the utility model, rotatably be contained in the bottom of washtub, its main body is plate-like, the upside of impeller radially is distributed with the convex vein of symmetry, the bottom is provided with the blade that radially is symmetrically distributed, offer some little open-works on the impeller, the washing roller that can freely rotate relative to this convex vein is equipped with at the top of some convex veins therein, its axis is fixed on this convex vein, and roller bearing is provided with the lug boss and the depressed portions of bar shaped along the circumferential compartment of terrain of its outer.

Since on the washing roller by lug boss with respect to the formed one group of blade of depressed portions, be subjected to impeller bottom to impact the influence of current and rotate, the current of impeller bottom can be driven effectively and spray, form the spurting circulating water flow, the influence of formed eddy current in the time of can stoping former conventional washer to be washed, prevent the winding and the distortion of clothing, improve detersive efficiency.

Increasing on the basis of washing roller, is to form complicated more washing current, on the washing wave wheel not with the convex vein of washing roller can also be arranged to shape phase XOR have disconnected have connect or form that height is different.

Each embodiment of the utility model can form spurting circulating water flow, interrupted current, solid stream of water, connect ladder current, hazy and illusionary current with eddy current together when action, thereby, so just in washtub, produce a kind of current complicated and changeable, thereby washing clothes can not be twisted the distortion and damage, also help its rinsing, improved clean efficient.

Description of drawings:

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the front view of the utility model first embodiment impeller;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the rearview of the utility model first embodiment impeller;

Fig. 4 is a kind of washing roller perspective view that the utility model is used;

Fig. 5 is the front view of the utility model second embodiment impeller;

Fig. 6 is the perspective view of the utility model second embodiment impeller;

Fig. 7 is the front view of the utility model the 3rd embodiment impeller;

Fig. 8 is the perspective view of the utility model the 3rd embodiment impeller;

Fig. 9 is the front view of the utility model the 4th embodiment impeller;

Figure 10 is the perspective view of the utility model the 4th embodiment impeller;

Figure 11 is to use the vertical cross-section diagram of the washing machine of the utility model impeller;

Figure 12 is to use the vertical cross-section diagram of the washing machine of traditional impeller;

Figure 13 is the perspective view of traditional impeller.

The specific embodiment:

Figure 11 is to use the vertical cross-section diagram of the washing machine of the utility model impeller.Impeller 4 is rotatably installed in the washtub 15 with respect to vertical center axis in this washing machine.During laundry operation, impeller 4 is under the driving of drive unit, and the impeller rotating produces current.Blade 101 on the washing roller 1 produces the spraying cycle current down with the acting in conjunction of the blade 11 of impeller 4 bottoms, and the impeller 4 feasible one-tenth network of the track circulating water flow of jeting circulating water stream process when rotated, stop the formed circulating water flow of former traditional impeller vertically to descend, shown in Figure 10 arrow line and ellipse.Different embodiment is installed will produce different additional streams.

To act on identical during each embodiment narrates below or similarly adopt same numbering, and act on identical the narration once, the back will no longer be narrated.

Embodiment 1: as shown in Figures 1 to 4, impeller 4 has a disc-shaped main body 5, the a plurality of little open-works 3 of distribution on the main body 5, its periphery have three snakehead shape afterbodys to be connected near the convex vein 7 in impeller 4 centers along being furnished with " people " font wash-board 10 on the inclined-plane on its disc-shaped main body 5 surfaces; Its bottom has many blades 11 radially to arrange; Its two end axles of washing roller 1 usefulness is snapped onto in the installing hole of convex vein 2 by impeller 4 bottoms, and washing roller 1 can freely rotate on convex vein 2, and many blades 101 are arranged above it.There is a circular hole 6 at these impeller 4 centers.There is the output shaft of the speed-reducing clutch 20 in a square hole 601 (or splined hole) and washing machine 12 drive units 21 to match below and is installed in the bottom of washtub 15 with stainless steel screw.

During the laundry operation, impeller 4 periodically positive and negative rotations, when impeller 4 rotations, blade 101 and 11 actings in conjunction of impeller 4 lower blade on the washing roller 1, driving the washing current gushes out along washing roller 1 and the gap that puts between the slotted eye of washing roller 1, the current of gushing out promote the blade 101 on the washing roller 1, washing roller 1 is rotated, effectively take current out of formation spraying cycle current, the spraying cycle current form the network current along its movement locus in impeller 4 rotary courses, the variation circulating water flow that forms with snakehead shape convex vein 7 is combined into complicated washing current." people " font wash-board 10 on the inclined-plane, impeller 4 outer forms tiny current the tiny position of clothing (as the neck and the cuff of shirt) is rubbed when it rotates, cleaning action has well been played at the position that is difficult to wash, and has reached meticulous purpose of washing.Water flows into the impeller bottom by the lip-deep aperture of impeller.

With regard to the same section among each embodiment, act on identical no longer detailed description below, only remark additionally with regard to difference.

The blade shape of next three kinds of embodiment impellers bottom is identical with embodiment 1, just is arranged in corresponding room, though the blade shape on the washing roller is different, installation method is identical with embodiment 1, also is that the installing hole bottom impeller snaps in.Not shown again among the figure.

Fig. 5 to Fig. 6 is impeller orthographic projection and the perspective view of the 2nd embodiment, and convex vein 7 is to stretch out along the involute direction of the ideal cylinder at impeller 4 centers, and therefore just having and with the impeller center side-play amount being arranged is the radius of ideal cylinder.Four fins of convex vein 7 are not on same straight line.A pair of convex vein 8 is arranged, and its upper inclined surface is reverse, and one group of hole is respectively arranged is 9, is " X " font wash-board 10 on the inclined-plane, impeller 4 outer.Impeller 4 is installed in (with reference to Figure 11) on the washing machine 12.During laundry operation, impeller 4 will produce disorderly current and uncertain center when rotated.And the hole on convex vein 8 inclined-planes is 9, when impeller 4 rotations, adjacent two nearest fins have been dialled water to make and have been formed negative pressure therebetween on the convex vein 7, current are under the stirring of impeller 4, water can be 9 ejections along the hole on the convex vein 8, and in conjunction with the current of washing roller 1 and 10 formation of " X " font wash-board, it is disorderly more therefore to wash current again, can reduce the winding and the distortion of clothing, improve the rate of cleaning.

Embodiment 3 described impeller such as Fig. 7 to Fig. 8, convex vein on the impeller 4 is arranged for the radial labyrinth formula, wherein on the convex vein 2 washing roller 1 is housed, convex vein 2 is the spaced apart of circumferential symmetry with short convex vein 7 on impeller 4, convex vein 2 nearly impellers 4 centers one end is tangential on the imaginary cylinder of impeller 4 central shafts, convex vein 8 roughly forms the circular arc of three sections symmetries, this circular arc is cut in above-mentioned ideal cylinder, and be line of symmetry with the convex vein in the circular arc 2 separately, convex vein 7 is positioned at three sections centres that circular arc is adjacent, separatedly in three sections circular arcs stretch into by convex vein 2, convex vein 8 forms U-lag with the joint of convex vein 2, its trench bottom is a little more than the upper side plane of impeller 4, and simultaneously, the small column at 4 centers of impeller is provided with radially-protruding ultrashort cylinder convex vein 9 to the ideal cylinder limit.During laundry operation, during impeller 4 forward or reverse, washing roller 1 and each convex vein thereof can produce a kind of complicated current by various current combinations on it, prevent that effectively the distortion of washing clothes from twining, and improve and clean ratio.

Embodiment 4 impeller such as Fig. 9 to Figure 10, the simple transformation of the way of traditional impeller forms, and only former conventional wave wheel injection mold is repaired a die, and increases washing roller and get final product, like this at the bottom of the cost and the detersive efficiency raising is obvious.

As mentioned above, the utility model can be used on the automatic washing machine, also can use on the bigger two-tub washing machine of capacity.The agitation wheel for washing machine that it provides can produce the complicated current of multidimensional and twine and damage to prevent washing clothes in washtub, be beneficial to rinsing, and the energy using water wisely improves detersive efficiency, cuts down the consumption of energy.

Claims

1, agitation wheel for washing machine, rotatably be contained in the bottom of washtub, the symmetrical centre of this impeller is a pivot, upside is radially distributed with the convex vein of symmetry, the bottom be provided with stretch out from the center, the blade of five equilibrium disk radially, offer some little open-works on the impeller, it is characterized in that: the washing roller that can freely rotate relative to this convex vein is equipped with at the top of a described impeller convex vein at least therein, its axis is fixed on the convex vein, and roller bearing is provided with the lug boss and the depressed portions of bar shaped along the circumferential compartment of terrain of its outer.

2, according to the described agitation wheel for washing machine of claim 1, it is characterized in that: the number of described convex vein is an even number, the convex vein of described washing roller is housed and do not adorn washing roller, the convex vein that seamlessly transits distributes alternately.

3, according to the described agitation wheel for washing machine of claim 2, it is characterized in that: the described convex vein that seamlessly transits, its circumferential size of afterbody that is positioned at the impeller edge be greater than the circumferential size of head, and the height of head, afterbody is identical.

4, according to the described agitation wheel for washing machine of claim 1, it is characterized in that: it radially is provided with two at least with respect to the centrosymmetric convex vein of disc-shaped main body, the top of described two convex veins is the plane, tilt with respect to horizontal line, and its incline direction is offered open-work circumferentially opposite mutually on the inclined-plane.

5, according to the described agitation wheel for washing machine of claim 1, it is characterized in that: it radially all has the distance of 1/3rd to 1/4th impeller radius in the nearest impeller center of convex vein apart from the impeller center, formation center dolly dimple, in this dolly dimple, the impeller central protuberance also forms the cylinder of projecting convex vein not, from oblique some the little convex veins that form down of this cylindrical sidewall, the afterbody of this little convex vein terminates in this dolly dimple edge, above-mentioned radially convex vein is distributed in and is symmetrical distribution on the plate-like impeller, mutually mutually disjoint, on the tangent or crossing circular arc in above-mentioned dolly dimple edge, wherein separated, the convex vein of having washing roller is positioned on the centre symmetry line of each circular arc.