CN1052048C

CN1052048C - Washing machine pulsator

Info

Publication number: CN1052048C
Application number: CN93121132A
Authority: CN
Inventors: 金湧植; 李知玹
Original assignee: Gold Star Co Ltd
Current assignee: LG Electronics Inc
Priority date: 1993-02-26
Filing date: 1993-12-09
Publication date: 2000-05-03
Anticipated expiration: 2013-12-09
Also published as: CN1094102A; AU4435693A; AU666744B2

Abstract

A pulsator of a washing machine for improving the washing ability comprises an active ceramic which improves the water activity, a container holding the active ceramic; the container can be arranged disassembly on the pulsator and is provided with a plurality of holes so as to make the water in a wash bucket contact with the active ceramic. The invention prevents the clothes from twining in the middle of the washing machine; and the active pottery improves the washing ability of the washing water.

Description

Agitation wheel for washing machine

The present invention relates to the impeller of washing machine, related more specifically to contain the agitation wheel for washing machine of active ceramic, to improve washability.

Existing washing machine comprises that as shown in Figure 1 the belt 2, one of the revolving force of a drive motors 1, a transmission motor 1 are used to send the impeller that revolving force drove that clutch 3 from the revolving force of belt 2, one transmit by clutch 34, a spin dryer tube 5 and a wash bucket 6 that fills laundry water that holds washing clothes.

Comprise and impeller 4 is and for example shown in Figure 2: one is located at middle cylindrical element 8, and some leaking holes 9 and several connection holes 10 are arranged on this cylinder 8.After stationary cam 11 embedded in the cylindrical elements 8, stationary cam was that several inserting hooks by its urceolus bottom embed in the connection holes 10 of impellers 4 and fix.A motion cam 17 has a urceolus 16 that is embedded between cylindrical element 8 and the stationary cam 11, and one at the urceolus 12 of stationary cam 11 and the inner core 18 between the inner core 14.And be contained on the urceolus 16 of motion cam 17 and the cam canister 19 between the inner core 18 formed cam curve near the upper limb of the urceolus 12 of stationary cam 11.For preventing that motion cam 17 from coming off, the cam curve 20 of its inner core 18 is hooked by hook 15, and hook 15 is arranged on the inner core 14 of stationary cam 11.On the upper limb of motion cam 17, be provided with wheel shelves 21.

The lower edge of cap 22 is provided with several hooks, and its embeds in the hole of motion cam 17, thus from this cap 22 of internal fixation of motion cam 17.

In above-mentioned existing washing machine structure, washing is performed such, after putting into laundry water and spin dryer tube in the washtub and putting into clothing, drive motors 1 drives impeller 4 and rotate counterclockwise-stop-clockwise rotates continuously by belt 2 and clutch 3.

The rotating speed of impeller 4 depends on clothing, but generally all is lower than 300rpm.

Above-mentioned impeller 4 will concentrate on the water and the clothing of impeller 4 central authorities and push its edge to.

Because the wheel shelves on motion cam 17 upper limbs have tangled the clothing of releasing, so motion cam 17 is rotated around the direction opposite with impeller 4.The water of gushing out from the leaking hole 9 of cylindrical element 8 is of value to motion cam 17 and rotates smoothly between cylindrical element 8 and stationary cam 11.

Because the cam curve of the cam canister 19 of motion cam 17 leans against on the upper limb of urceolus 12 of stationary cam 11, this motion cam also moves up and down, as shown in Figure 3 when rotating.

In above-mentioned existing washing machine, if the laundry glassware for drinking water has low activity, or even fresh water and filtered water, do not consider the washability of washing machine and used washing agent simultaneously, washing machine is having certain limitation aspect the good clean clothing so.

Impeller is strong inadequately to the dispersion effect that concentrates on central clothing, and this is because the diameter d 2 of motion cam 17 and the diameter ratio of impeller 4 are about 20%, the cause that the angle between blade 4a is also big.

In agitation, because the upper limb 4b of blade twines clothing and roll, people are difficult to look to obtaining uniform clean result.

In addition, also exist water to leak into the possibility of clutch 3 from the leaking hole 9 of cylindrical element 8.

The impeller that the purpose of this invention is to provide a kind of washing machine can improve clean result, reduces the consumption of washings and washing agent simultaneously.

Another object of the present invention provides a kind of agitation wheel for washing machine, can prevent that clothing from becoming entangled in the central authorities of washing machine.

Above-mentioned and other purpose is to realize by the washability that active ceramic is provided on agitation wheel for washing machine, improves washings with this active ceramic.

Agitation wheel for washing machine of the present invention preferably possesses a cam, and this cam can drive an active ceramic chamber of containing active ceramic and move up and down, and this moving up and down helps active ceramic to contact with washings, thereby has improved the washability of washings.

In addition, the upper side of agitation wheel for washing machine of the present invention is mounted with possesses long, heavy in section first blade, and has second blade in whole curved surface and short and small cross section.

Brief Description Of Drawings:

Fig. 1 is the profile of existing washing machine;

Fig. 2 is the profile of existing agitation wheel for washing machine;

Fig. 3 represents the motion path situation of change of the motion cam of existing washing machine;

Fig. 4 is the plane of agitation wheel for washing machine of the present invention;

Fig. 5 is the cutaway view of agitation wheel for washing machine of the present invention;

Fig. 6 is the enlarged drawing of A portion among Fig. 4;

Fig. 7 represents the motion path situation of change of the motion cam of washing machine of the present invention;

Fig. 8 represents another embodiment of agitation wheel for washing machine of the present invention.

Fig. 4 to Fig. 6 represents agitation wheel for washing machine of the present invention.

Impeller 100 comprises: the cylindrical element 110 that stretches out of central authorities on surface from it, and the bottom of the outer rim of this cylindrical element 110 is porose 111, and the inboard in above-mentioned hole 111 is provided with downward cylinder rib 113.

There is a urceolus 210 in the outside of a stationary cam 200, and an inner core 220 is arranged on its inboard, and this stationary cam is embedded in the cylindrical element 110.

The bottom of above-mentioned urceolus 210 has some hooks 211, and these hooks insert in the hole 111 of cylindrical element 110, and stationary cam 200 is fixed on the impeller 100.This urceolus also comprises three or more cam lobe 213, and these projectioies 213 are arranged on the circumference of above-mentioned hook 211.

Some shelves 221 of taking turns are arranged at the top of above-mentioned inner core 220.

The urceolus 210 of stationary cam 200 and inner core 220 constitute an independent integral body.

A motion cam 300 comprises: the outer cylinder body 310 of an intercalation between the outside of cylindrical element 110 inboards and urceolus 210, cam canister 330 on the upper limb of a urceolus 210 that abuts against stationary cam 200, and the inner barrel 320 of an intercalation between the inside and outside tube (220,210) of stationary cam 200.

Above-mentioned cam canister 330 has a cam curve 331, and it contacts with the upper limb of the urceolus 210 of stationary cam 200.This cam curve is the sort ofly to have more than two top dead-centres with more than the curve of two bottom dead centres.

Above-mentioned inner barrel 320 has a cam curve 321, and this curve is stuck by the wheel shelves 221 on the inner core 220 of stationary cam 200.

This cam curve 321 be with cam canister 330 on cam curve 331 corresponding curves.

Be higher than cam curve 321 places on the inner barrel 320 and be provided with some holes 323.

Above-mentioned motion cam 300 also has some shelves 340 of taking turns, these are taken turns shelves and stretch from the upper limb of the cylindrical element 110 that is higher than impeller 100, and are arranged on the upper limb of set part on top of outer cylinder body 310, cam canister 330 and inner barrel 320 of motion cam 300.

A lid 410 embeds in the inner barrel 320 of motion cam 300, and this lid 410 has the hook 411 in the embedded hole 323.

The anti-part 430 of raising one's hat is positioned at the bottom of above-mentioned lid 410, constitutes container chamber 420 with this lid 410.

Porose 413,431 lead to container chamber 420 on above-mentioned lid 410 and the anti-part 430 of raising one's hat.

A kind of active ceramic 500 is put in the said vesse chamber 420.

Several convex lens 415 are housed, so that the activity of check active ceramic on the above-mentioned lid 410.

As shown in Figure 5, impeller 100 has a chassis 140.This chassis comprises an inclined-plane that outwards extends from the cylindrical element 110 that protrudes in central authorities downwards, and a planar section flat basically and that raise a little.

As shown in Figure 4 and Figure 5, this impeller 100 comprises: have the first upside blade 120 of long and big longitudinal cross-section I, and the second upside blade, 130, the first upside blades 120 with shorter and smaller longitudinal cross-section II are disposed radially on chassis 140.

As shown in Figure 4, the first upside blade 120 and the second upside blade 130 are alternately arranged along the rotation direction of impeller 100.

The effect of the above embodiment of the present invention is described now.

Put into water and in cylindric washer after drying tube is put into clothing, drive motors work is rotated impeller 100 by clutch.

Then, impeller 100 stirs continuously and carries out washing operation.

The rotating speed of impeller 100 depends on clothing, but generally is lower than 200rpm.

The above-mentioned second upside blade 130 that has the first upside blade 120 of long and big longitudinal cross-section I and have a short and small longitudinal cross-section II is alternately arranged on impeller 100, makes current slow and big, thereby clothing is slowly moved.

Under the stirring of impeller 100, clothing accumulates in central authorities' (be tending towards tangle), and clothing tangles wheel shelves 340 and makes motion cam 300 brakings, and the cam curve 331 of cam canister 330 moves along the upper limb of the urceolus 210 of stationary cam 200, relatively rotates and moves up and down.

In the of short duration stirring circulation of impeller 100, motion cam 300 with impeller 100 counter-rotation in also move up and down.This motion is to have three top dead-centres on the motion path owing to the guide wheel tube 330 of motion cam 300 and three bottom dead centres cause.Above-mentioned motion has disperseed to concentrate on the clothing of impeller 100 central authorities and the strength of current.

Above-mentioned motion cam 300 this moves up and down and rotates and help washings to see through to cover 410 and anti-hole 413,431 of raising one's hat on 430, contacts with active ceramic in the container chamber 420.Because washings contact with active ceramic, have produced the OH ion, so the total surface of washings increases, become a kind of water that is easy to further infiltrate in the clothing, and this water can soften the surface of washing.

Therefore, clean result can improve, and the consumption of washings and washing agent has reduced.

Alternately arranging of the above-mentioned upper blade with two different cross sections relaxed the care for effect of blade to clothing, thereby reduced the possibility of damaging clothing.

During impeller 100 stirred, the air layer in the cylinder rib 113 prevented that washings from leaking in the rib 113.

Owing on the outer peripheral edges of cylinder rib 113, also be provided with hole 111, thereby prevented the inside of laundry seepage to clutch 3.Pressure differential between the inside and outside of above-mentioned cylinder rib 113 forms one thrust, and this thrust produces one current that make progress.The current that this strand makes progress help the mild operation of motion cam 300, and and then help to improve the activity of active ceramic.

According to the above embodiment of the present invention, can improve washability (clean rate), clothing flow velocity, and compare the winding that has reduced clothing with conventional washing machine, as shown in the table.

Table

The conventional embodiment of the invention

Clean rate 0.753 0.896

Clothing flow velocity 7 times/minute 8.34 times/minute

Twine to reduce 32% 22.7%

Figure 8 shows that another embodiment of agitation wheel for washing machine of the present invention, wherein, active ceramic 500 is placed among the outer rim of impeller 100.

A lid 410 is fixed on the turnbuckle 140 of impeller 100 cylindricals by screw 600, and one anti-430 belows that are arranged on this lid 410 of raising one's hat constitute a container chamber 420 that holds active ceramic 500 thus.

Above-mentioned lid 410 and anti-raising one's hat have the

hole

413 and 431 that communicates with container chamber 420 on 430.

In said structure, it is stronger to wash current in its excircle when rotating owing to impeller 100, thereby washings are more active with contacting of active ceramic 500.

Though the present invention is described in conjunction with the embodiments, but obvious many replacements and variation scheme are understandable for the skilled person under the inspiration of above-mentioned explanation, therefore, the present invention includes all and can fall into claim scope interior variation and alternative.

Claims

1. an agitation wheel for washing machine is characterized in that, it includes a kind of active ceramic that can improve the activity of water.

2. agitation wheel for washing machine is characterized in that it comprises:

A kind of active ceramic that can improve the activity of water; With

Hold the container of above-mentioned active ceramic, said vesse is releasably attached on the impeller and has is convenient to the several holes that the water in above-mentioned active ceramic and the washtub contacts.

Such as claim 2 the impeller of list, it is characterized in that said vesse comprises a lid that has some holes, construct the space jointly with above-mentioned lid for one and raise one's hat, and said vesse is fixed to device on the impeller to hold the anti-of above-mentioned active ceramic.

4. impeller as claimed in claim 3 is characterized in that, said vesse is positioned the top central authorities of agitation wheel for washing machine.

5. impeller as claimed in claim 3 is characterized in that said vesse is positioned in the cylindrical of agitation wheel for washing machine.

6. agitation wheel for washing machine is characterized in that it comprises:

A kind of active ceramic that can improve the activity of water;

Hold the container of above-mentioned active ceramic, this container is removably mounted on the impeller and has is convenient to the several holes that the water in active ceramic and the washtub contacts; And

The driving said vesse rotates and moves up and down so that make active ceramic improve the device of the activity of water.

7. impeller as claimed in claim 6 is characterized in that, said vesse is positioned the top central authorities of agitation wheel for washing machine.

8. impeller as claimed in claim 6 is characterized in that, said vesse comprises a lid that has some holes, constructs the space jointly with above-mentioned lid for one and raises one's hat to hold the anti-of above-mentioned active ceramic, and said vesse is fixed to device on the impeller.

9. impeller as claimed in claim 6 is characterized in that, above-mentioned driving container rotation and the device that moves up and down are positioned in the cylindrical element, and this cylindrical element stretches out above impeller central authorities.

10. impeller as claimed in claim 9 is characterized in that, above-mentioned driving container rotation and the device that moves up and down comprise: a stationary cam that is fixed on the cylindrical element inside of impeller; Motion cam with the cam curve that contacts with stationary cam and rotate and move up and down along this stationary cam; Stretch from the top that is higher than cylindrical element and described container is fixed in some shelves of taking turns in it.