CN2030612U - Washing machine capable of changing water-flow direction - Google Patents

Abstract

The utility model discloses a washing machine capable of changing water-flow direction, and the program controller of the washing machine. The utility model relates to the improvement of the washing mode of the existing full automatic washing machine. The washing machine capable of changing the water-flow direction has the functions of the remission of the washing mode, the showering and dewatering stream, the showering and discharging stream, the alternately washing mode of the showering and dewatering, etc. The functions are realized by the control of the program controller. On the base of the control cam of the program controller for washer with ordinary common water stream, a control cam piece which is used to relieve the washing and a control cam piece of the showering dewatering and the showering discharging are added. Which are respectively connected between the select switch of the water stream and the standard washing cam wheel piece and the complaisant washing cam piece of the main cam wheel, and between the washing dewatering switching cam piece and main motor and the water feeding electromagnetic valve.

Description

Washing machine capable of changing water-flow direction

The utility model will be provided at the fully-automatic household electric washer that changes the washing current in the washing process, and it relates to the improvement to existing automatic washing machine mode of washing.

The automatic washing machine that uses divides by water flow mode at present, divides common current and new current traditionally.The characteristics of common water-flow washing machine are: washing motion diameter is little (to be so-called small wave wheel, diameter is generally below 240mm), rotating speed height (generally at 700～900 rev/mins), forward and reverse conversion time long (generally at tens seconds to one minute), the clean rate of this class washing machine is higher but the washings winding is serious, and wear rate is also higher.Twine serious for overcoming this class washing machine, the shortcoming that wear rate is higher, people are by increasing washing motion (promptly adopting big wave wheel), reduce rotating speed (generally at 100～200 rev/mins), accelerating forward and reverse inversion frequency (a forward and reverse week generally is no more than 8～10 seconds), promptly so-called new water-flow washing machine.Though this class washing machine has overcome winding, serious wear phenomenon, it is lower, still not ideal enough to clean rate.

The purpose of this utility model is to be to provide a kind of shortcoming that can overcome common current fully-automatic household electric washer to washings winding, serious wear, and continuation keeps the change water-flow washing machine of the high advantage of its clean rate, here the so-called current that become, mainly be that this class washing machine has following peculiar function: (1) alleviates mode of washing.The present common current automatic washing machine standard of mainly containing is washed with submissive and is washed two kinds of mode of washing.It mainly is to form in the standard wash mode process that washings is twined phenomenon serious, serious wear.Because in case selected the standard wash mode, in the whole washing process, the rotating speed height of washing motion, so just makes that washings twines seriously, wear rate is higher at forward and reverse conversion time long (promptly always being long period commutation current).If in standard wash mode process, can add short period commutation current automatically, promptly lack forward and reverse conversion time, so just can alleviate the winding of washings, and don't influence its clean rate.In standard wash process, washing motion long period commutation current and short period commutation current automatically alternately the formed mode of washing of one or many be the alleviation mode of washing.This mode is unwanted in submissive washing process, itself is exactly a kind of washing of short period commutation current because of submissive washing.Therefore alleviate mode of washing, just in the standard wash process, automatically add a kind of mode of washing of submissive washing.(2) stream drenches, dewaters: become water-flow washing machine when carrying out dehydrating function, entering water electromagnetic valve is opened, automatically drench clear water, under centrifugal action, drench the clear water of going into and see through the fibrous micropore of washings, part dirt (as washing powder etc.) is taken away, made washings be easy to the rinsing cleaning.This current form is called pouring, dehydration stream, is that a kind of washings does not have the wearing and tearing current.Though at present some two-tub washing machine is also claimed and can be drenched, dewater, in fact trickle is inoperative or act on very little.Because the dehydration tube diameter of two-tub washing machine is little and dark, filled up washings during dehydration in the bucket, under rotation at a high speed, pouring into the clear water washings that can not be seeped into the dehydration barrel middle and lower part just be thrown out of, do not have the effect of the clear washings of pouring.(3) drench, draining stream: when becoming water-flow washing machine and carry out drain function, entering water electromagnetic valve is opened, and automatically drenches clear water, pourings into clear water infiltration washings, this current form is called pouring, draining is flowed, and also is that a kind of washings does not have the wearing and tearing current.(4) gap is drenched and taken off mode of washing: stream and pouring draining stream automatically hocket once to the mode of washing of repeatedly forming by drenching, dewatering.This is the mode of washing that washings does not have wearing and tearing.Drench, draining stream must and drench dehydration stream and forms the gap pouring and take off mode of washing.Independent pouring draining stream will not have practical significance in laundry processes, pouring is taken off in the mode of washing and in the gap, drench, the employing of draining stream will make washings obtain the infiltration of more clear water, thereby pouring take off or dehydration in can take away more dirt (as washing powder etc.).Above-mentioned four functions add that general automatic washing machine all has functions such as automatic water inlet, draining, washing, dehydration, forms complete laundry processes.Because basic current and mode of washing in this laundry processes change, be referred to as to become current.

The purpose of this utility model is achieved in that uses a kind of change current cyclelog in common water-flow washing machine, in the control cam bit of sort controller, be provided with alleviation washing control cam bit and pouring specially and take off, drench row's control cam bit, and will alleviate washing control cam bit and be connected between the standard wash cam bit and submissive washing cam bit of flow selecting switch and main cam, drench and take off, drench row's control cam and be connected on washing, dewater between cam bit and main motor and the entering water electromagnetic valve and in parallel with the main cam gap cam bit that dewaters.

The utility model is because the alleviation washing control cam bit that will become in the current cyclelog is connected between the standard wash cam bit and submissive washing cam bit of flow selecting switch and main cam, in the standard wash process, realize that by it automatic conversion of standard wash and submissive washroom forms the alleviation mode of washing, descends washings winding rate greatly; Pouring is taken off, is drenched row's control cam bit and is connected between washing, dehydration conversion and control cam bit and main frame and the entering water electromagnetic valve, and it is in parallel with main cam gap dehydration cam bit, formation is drenched, dehydration is flowed, drench draining stream and mode of washing is taken off in the gap pouring, this can reduce the rinsing number of times, shorten the rinsing time, and do not substituted the wearing and tearing rinse method there to be the wearing and tearing rinse method, thereby reduced the wear rate of washing machine.

Further illustrate the enforcement of the present utility model and the course of work below in conjunction with accompanying drawing.

Fig. 1 is the washing machine structure schematic diagram;

Fig. 2 is for becoming current cyclelog cutaway view;

Fig. 3 is for alleviating washing control cam bit schematic diagram;

Fig. 4 takes off, drenches row's control cam bit schematic diagram for drenching;

Fig. 5 is for becoming the water-flow washing machine electrical schematic diagram.

Fig. 1 is for becoming the water-flow washing machine structural representation.Wherein casing (12) is by sheet metal or aluminium sheet compression moulding, or uses injection molding; Outer bucket (8) is hung on the casing by four vibration damping suspension rods (6), is the best to be hung in four jiaos; Platen (1), cover plate (2), control panel (3) are contained in casing top; Entering water electromagnetic valve (5) is fixed on platen rear portion or the control panel; Becoming current cyclelogs (4), water level controller (27) (not drawing among Fig. 1) is contained on the control panel on (3); Transmission device (15) is installed in outer bucket (8) bottom centre position; Interior bucket (7), washing motion (9)---be that impeller is installed on the transmission device (15); Draining electromagnet (13) is installed in outer bucket (8) bottom, when its outage discharges, draining valve (10) is closed, not draining of washing machine, dewater this moment executing agency (14) action makes the torsion spring clutch in the transmission device not transmit moment of torsion, when motor this moment (17) is done forward and reverse rotation, make transmission device drive impeller by driving belt (16) and also do forward and reverse rotation, washing machine is promptly carried out washing or rinsing function.During draining electromagnet (13) energising adhesive, draining valve is opened, and cleaning solution is discharged from by draining valve (10), drainpipe (11), and washing machine is carried out drain function.Meanwhile, draining electromagnet (13) drives dehydration executing agency and throws off transmission device, at this moment the torsion spring clutch in the transmission device can transmit moment of torsion, if motor this moment (17) is by a certain assigned direction rotation, bucket (7), impeller (9) rotated together in then transmission device drove, and washing machine is promptly carried out dehydrating function.Drench into clear water when washing machine is carried out draining or dehydrating function, then washing machine is carried out to drench row or drench and is taken off function.The execution of automatic washing machine exercises, function is all controlled by cyclelog.

Fig. 2 is for becoming the cutaway view of current cyclelog.Small synchronous motor (18) is the power source that becomes the current cyclelog, and it makes main cam (24) and control cam (19) reach predetermined rotating speed respectively by gear train assembly (23).Main cam is formed (this example is got three) by several pieces cam bits, and the control cam is alleviated washing control cam bit and a slice and drenched and take off, drench row and control cam bit and form by increase a slice on general non-change current control cam basis.Fig. 3 is for alleviating the schematic diagram of washing control cam bit.This routine cyclelog is an example so that three program for washing to be arranged.(1-1 ') is the standard program for washing among the figure, wherein (1A-1A ') is the washing process in the standard program for washing (1-1 '), in (1A-1A ') scope, this cam bit does one to the repeatedly concavo-convex variation of (this place is three times), the current when making washing by standard to submissive work one to multiple cycles (this example be three times circulate).The time ratio of standard current and submissive current in the length formation alleviation washing of the concavo-convex variation of cam bit, this ratio can be set arbitrarily in (1A-1A ') scope by the designer, (2-2 ') is economic program for washing among Fig. 3, its total time is shorter than the time of standard program for washing, correspondingly its washing process (2A-2A ') is also short than (1A-1A '), thus in this example (2A-2A ') concavo-convex variation also than lacking once in (1A-1A ').(3-3 ') is single washing procedure among Fig. 3, and the i.e. just shutdown of washing back of meaning so that keep cleaning solution, is waited for artificial treatment.The washing of this program (3A-3A ') is that the time of whole procedure is also shorter, and therefore concavo-convex variation is only once in (3A-3A ').

Fig. 4 is for drenching the schematic diagram that takes off, drenches row's control cam bit.When cyclelog execution dehydration or drain function, this cam bit is in raised position, and promptly position such as (1B), (2B) among the figure can make entering water electromagnetic valve (5) connect, and takes off or drench row function thereby realize drenching, and also promptly realizes gap pouring dehydration mode of washing.The inferior number average that adopts in the length of this mode of washing time and each program for washing can be determined flexibly by the designer.In this example, adopted dehydration mode of washing in gap in the standardization program (1-1 ') three times; Adopt twice gap to drench in the economic process (2-2 ') and taken off mode of washing.The employing that the off-square formula is drenched in the gap can reduce the wearing and tearing of washings in whole washing process.

Whole parts of cyclelog all are installed on base (26) and the gland (20); alleviation washing control cam bit and pouring are taken off, are drenched draining control cam bit and can form with plastic injection-moulded or metal machining; it can be injection molded into one or be assembled into one with other cams of control cam, and all parts are protected with case (22).When knob (25) along the C shown in Fig. 2 to main shaft (21) when pushing, can manually be selected the program or a certain function of required execution, knob (21) is when pulling out, cyclelog enters the selected program that automatically performs.

Fig. 5 is for becoming the electrical schematic diagram of water-flow washing machine.(30) control cam bit for alleviating washing in the control cam among the figure, and it is connected between the standard wash cam bit (32) and submissive washing cam bit (31) of flow selecting switch (29) and main cam.In washing process, by alleviating the automatic conversion of washing cam bit control criterion washing with submissive washroom.Draining control cam bit is taken off, drenched in (34) for drenching in the control cam among the figure, it is connected between washing, dehydration conversion and control cam bit (35) and main motor (17) or the entering water electromagnetic valve (5), and in parallel with the gap dehydration cam bit (33) in the main cam, realize drenching the function of taking off, drenching draining or continuous dehydration.

The control object of cyclelog is: entering water electromagnetic valve (5), draining electromagnet (13), laundry motor (17).The signal that it is accepted has: water level controller (27), dehydration protection switch (28) mode of washing selector switch (29).Main cam (24) has three cam bits as can be seen from Figure 2, and control cam (19) has seven cam bits, and they have constituted ten single-pole double-throw switch (SPDT)s, and each switch all can be got three states: the ac conducting; The bc conducting; Ac, bc are all obstructed.Because each switch is symmetrical, so cam concavo-convex be when making inverse variation, and the method for available change wiring reaches same effect, so this is same implementation method.

When mode of washing selector switch (29) is selected standard, alleviate washing control cam bit (30) and just work, when this cam bit bc connected, the standard wash cam bit (32) in the main cam worked, and promptly operative norm washs; When this cam bit ac connected, the submissive washing cam bit (31) in the main cam worked, and so just changes into submissive washing, has finished the automatic conversion of standard wash and submissive washing.That is to say by alleviating washing control cam bit and realized becoming the alleviation washing function of water-flow washing machine.When draining control cam ac connection is taken off, is drenched in pouring, entering water electromagnetic valve (5) water inlet, meanwhile, gap dehydration cam bit (33) works, and washing machine is promptly carried out to drench and is taken off, drenches drain function.So far realized repertoire of the present utility model.

Alleviate the employing of mode of washing, washings winding rate is descended greatly; The employing of off-square formula is drenched in the gap, can reduce the rinsing number of times, shorten the rinsing time, and substitute the wearing and tearing rinse method there not to be the wearing and tearing rinse method, thereby reduce the wear rate of washing machine.

Claims (3)

1, the change water-flow washing machine is a kind of fully-automatic household electric washer, mainly comprise casing, platen, cover plate, control panel, cyclelog, level control switch for water, entering water electromagnetic valve, vibration damping suspension rod assembly, washing motion (impeller), interior bucket, outer bucket, draining valve, drainpipe, the draining electromagnet, dehydration executing agency, transmission device, motor etc., outer bucket is hung on the casing by vibration damping suspension rod assembly, platen, cover plate, control panel is contained in casing top, entering water electromagnetic valve is fixed on the platen rear portion or is fixed on the control panel, cyclelog, level control switch for water is contained on the control panel, transmission device is installed in the outer barrel bottom center, interior bucket, the washing motion all is contained on the transmission device, the draining electromagnet, draining valve and drainpipe are contained in outer barrel bottom, the cyclelog that it is characterized in that it is for becoming the current cyclelogs, and the control cam bit of sort controller is to increase a slice to alleviate washing control cam bit and a slice and drench and take off on the basis of general common water-flow washing machine control cam, drenching row's control cam bit forms; Alleviate washing control cam bit (30) and be connected between the standard wash cam bit (32) and submissive washing cam bit (31) of flow selecting switch (29) and main cam, drench to take off, drench to arrange and control cam bit (34) and be connected on washing dehydration and change between cam bit (33) and main motor (7) and the entering water electromagnetic valve (5).

2, washing machine as claimed in claim 1 is characterized in that alleviating washing control cam bit (30), drenches the moldable one that is injection molded into of other cam bits of taking off, drenching row's control cam bit (34) and control cam.

3, washing machine as claimed in claim 1 is characterized in that alleviating washing control cam bit (30), drenches other cam bits that take off, drench row's control cam bit (34) and control cam and be assembled into one with metal machining.

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