Summary of the invention
Instant invention overcomes the deficiency that prior art exists, provide and wave shock wash mill, shock mode of washing is waved in employing, clothing is realized at washtub two side impaction by waving washtub, reach cleaning object, waving shock mode of washing and reduce the most original mode of washing, realizing the displacement of spot and cleaning solution by patting clothing by force, fundamentally clean clothing, makes clothing cleaner; Adopt yaw drive, realize washtub oscillating motion; Slurry only needs the basis of soaking at clothing is left and on the basis of clean clothing, saves a large amount of water resources with water on a small quantity, also efficiency utilization cleaning agent, as washing powder etc.; Meanwhile, wave and clash into washing and prevent clothing to be wound around, stopped clean dead angle, each orientation of clothing has all been cleaned, does not damage clothing, structure is simply, cheap, once washes to wash less more, wash what clothing and can add at any time and select.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: wave shock wash mill, comprise washtub, rocking arm, counterweight, yaw drive, balancing sp ping mechanism and pedestal, described washtub is Cylindrical housing structure, be horizontally placed on the upper end of rocking arm, described washtub inner wall lower be provided with clothing is overturn stir body, the inner surface at described washtub two ends is provided with impact body, described rocking arm is two, two described rocking arms are symmetricly set on the sidewall of washtub, the lower end of described rocking arm is fixed with counterweight, described rocking arm is fixedly connected with by securing member with yaw drive, described yaw drive is fixed on pedestal, the lower end of two described rocking arms is provided with a pair balancing sp ping mechanism, two described balancing sp ping mechanism are symmetricly set on rocking arm both sides, described balancing sp ping mechanism is connected with rocking arm, the other end of described balancing sp ping mechanism is arranged on pedestal.
Described body of stirring is strip structure, and quantity is multiple, is distributed in the Lower Half of washtub inner surface, stir body described in multiple and become parallel construction, distribute at angle with the central axis of washtub, stir body described in multiple and become double or arrange distribution more, leave gap between row and row.
Described impact body is rod-like structure, and quantity is multiple, and multiple described impact body straight down and the parallel inner surface being distributed in washtub two ends.
Described stir body and impact body all with washtub by injection moulding or punching press one-body molded, or to be fixed on washtub inwall with part form.
Described impact body and washtub one-body molded time, surface is provided with padded coaming, and when described impact body is fixed on washtub inwall with part form, impact body is made up of non-rigid padded coaming.
Described yaw drive is mechanical yaw drive or is electromagnetism yaw drive;
The structure of described mechanical yaw drive is: comprise speed reduction driving mechanism for power, torsion central shaft, bracing frame, crank and yaw link, described speed reduction driving mechanism for power comprises motor and mechanical reduction system, the output shaft of described motor is connected with mechanical reduction system, described speed reduction driving mechanism for power is fixed on pedestal, the output of described speed reduction driving mechanism for power is connected with crank, described crank is connected with yaw link, described yaw link comprises swing arm and connecting rod, one end of described connecting rod is connected with crank, the other end of described connecting rod is connected with one end of swing arm, the other end of described swing arm is connected with torsion central shaft, described torsion central shaft is connected on bracing frame,
The structure of described electromagnetism yaw drive is: comprise stator, rotor, rotor center axle, magnetic pole piece, coil and end cap, described stator is fixed on pedestal, the two ends of described stator are fixed with end cap, described magnetic pole piece is many groups and is symmetricly set on stator inner surface, described magnetic pole piece is wound with coil, described coil is connected with peripheral control unit, described rotor is fixed on also rotor driven central shaft revolution on rotor center axle, and described rotor center axle is passed the center of end cap and connected by bearing.
Described walking bar rod is provided with the buffer spring mutually impacted for reducing speed reduction driving mechanism for power and torsion central shaft, described buffer spring is drawing-pressing spring or is torque spring, when described buffer spring is drawing-pressing spring, described buffer spring is arranged on walking bar rod, when described buffer spring is torque spring, described buffer spring is arranged between walking bar rod and torsion central shaft.
Described balancing sp ping mechanism comprises spring, spring adjusting sleeve, spring adjusting screw and adjusting sleeve and supports, described adjusting sleeve supports and is fixed on pedestal, described spring adjusting sleeve is fixed on adjusting sleeve and supports, described spring adjusting sleeve is provided with spring adjusting screw, one end of described spring is connected with rocking arm, and the other end of described spring passes spring adjusting sleeve and adjusts its elasticity by spring adjusting screw.
Described counterweight can be blocks or is the next washtub.
The bottom of described washtub sidewall is provided with water inlet and delivery port.
The beneficial effect that the present invention compared with prior art has is:
1, the present invention adopts swing mode of washing; utilize the driving force of balancing spring and yaw drive; washtub is oscillated with certain frequency, certain amplitude; washtub is forced oscillate and make the washing clothes in washtub clash into the impact body of washtub both sides back and forth; solve roller washing machine due to clothing deadweight fall beat hypodynamic problem; meanwhile, the both sides of washtub and impact body all adopt padded coaming, clothing is protected fully.
2, clash into washing owing to adopting, so clothing only needs drenched, the only a small amount of water of reservation in washtub, has saved great lot of water resources, efficiency utilization cleaning agent; Meanwhile, the amount of putting into of clothing can choose at random, and can be that a clothing also can for more than one piece, carry out unifying cleaning without the need to saving bit by bit a large amount of clothing, solves conventional washer not only water wasting but also cannot carry out thoroughly clean deficiency to single-piece small-sized clothing.
3, owing to being wave to clash into washing and do not have the eddy flow of water, therefore in cleaning process, clothing can not be intertwined, and realizes the most original mode of washing, the spot in clothing and cleaning solution are replaced fully by clashing into, clothes washing cleaner.
4, be provided with in washtub used in the present invention and stir body, stir the list structure that body adopts the vertical lopsidedness in side, realize the radial rotary of clothing in washtub, and the angled distribution of the central shaft stirring body and washtub, realize the axial-rotation of clothing in washtub; Stirring body adopts the distribution of multiple alternating inclinations formula to make clothing be stirred fully and overturn, and achieves clothing shock without dead angle in washtub, makes clothing reach sufficient washing.
5, the both ends of the surface of washtub inwall are provided with impact body, and when dewatering, moisture unnecessary in clothing is expressed in the gap between impact body by shock, and along with bottom gap inflow washtub, then discharge from draining valve, realize dehydrating function.
6, the lower end of rocking arm is provided with counterweight, makes whole device reach balance and stability when washtub waves.
7, the present invention can make large-scale also can be miniaturized, the device of small size can be placed in kitchen etc. needs the place of frequent washing object to wash at any time small article, convenient and strength-saving and do not take up room; Large-scale device can arrange multiple washtub and wash simultaneously, realizes industrialization washing, improves detersive efficiency, accelerate washing speed.
8, the present invention can adopt machinery or electromagnetism two kinds of yaw drive, and its structure is simple, and volume is little, economical and practical, and the device for different volumes selects suitable drive unit, makes device strong adaptability.
9, wobble frequency of the present invention is adjustable, and different wobble frequency selected by the clothing for unlike material, and the basis of minimum energy dissipation realizes the cleanest cleaning.
Detailed description of the invention
Embodiment one:
As Fig. 1, Fig. 3, Fig. 6 ~ Fig. 7, Fig. 9 ~ Figure 14, wave clash into wash mill primarily of washtub 1, rocking arm 2, counterweight 3, mechanical yaw drive 41, balancing sp ping mechanism 5, pedestal 6, stir body 11, impact body 12, water inlet 13, delivery port 14, speed reduction driving mechanism for power 411, torsion central shaft 412, bracing frame 413, crank 414, yaw link 415, swing arm 416, connecting rod 417, drawing-pressing spring 418, spring 51, spring adjusting sleeve 52, spring adjusting screw 53 and adjusting sleeve support 54 form.
Wherein, washtub 1 is horizontally placed on the upper end of rocking arm 2, described washtub 1 is Cylindrical housing structure, described rocking arm 2 is two, two described rocking arms 2 are symmetricly set on the sidewall of washtub 1, the lower end of described rocking arm 2 is fixed with the counterweight 3 for balancing, described rocking arm 2 is fixed on the torsion central shaft 412 of mechanical yaw drive 41, the swing of described torsion central shaft 412 drives rocking arm 2 to wave, described mechanical yaw drive 41 is fixed on pedestal by speed reduction driving mechanism for power 411 and bracing frame 413, the lower end of two described rocking arms 2 is provided with a pair balancing sp ping mechanism 5, two described balancing sp ping mechanism 5 are symmetricly set on the both sides of rocking arm 2, described balancing sp ping mechanism 5 one end is connected with rocking arm 2, described balancing sp ping mechanism 5 other end is arranged on pedestal 6.
Washtub 1 is as the carrier of washing clothes, its top is left bung and is added a cover, described washtub 1 inner bottom part is provided with stirs body 11, the clothing in washtub 1 can be overturn when washtub 1 waves, described structure of stirring body 11 is strip structure, cross section is class triangular structure, its seamed edge does circular arc process, reduce the damage to clothing, a side of stirring body 11 is vertical with washtub 1 inwall, another side becomes angle with inwall, described distribution of stirring body 11 adopts double alternating inclinations formula to distribute, namely in washtub 1, preferably arrange six and stir body, three is a row, totally two rows.Stirring between body 11 becomes run-in index to distribute, and stir body 11 one-tenth and be interspersed, leave gap between row and row, the preferred 20MM in gap, passes through for current, described in stir body 11 cross section be zigzag, bucket undergarment moves back and forth across when stirring body 11, different with against the rolling moment suffered by tooth motion bucket undergarment along tooth motion, so clothing in bucket rotates along with the direction of waving, thus realize the radial rotary of clothing in washtub 1; In order to make barrel undergarment not only along with radial rotary, also axial-rotation is wanted, describedly stir when body 11 is arranged and the angled distribution of central axis of washtub 1, reach the object of clothing axial-rotation in washtub 1 like this, meanwhile, described body 11 of stirring can not across lower surface in washtub, and object prevents from washings from residuing in stir between body 11; Stirring body 11 adopts this multiple alternating inclinations formula distribution to make clothing be stirred fully and overturn, and achieves clothing shock without dead angle in washtub 1, makes clothing reach sufficient washing.
Be provided with water inlet 13 and water discharge outlet 14 bottom described washtub 1, water inlet 13 and water discharge outlet 14 are separately installed with water intaking valve and draining valve, play upper water and sewer.The inwall at described washtub 1 two ends is all provided with impact body 12, quantity is preferably 3, every side, described impact body 12 is rod-like structure, multiple described impact body 12 straight down and the parallel inner surface being distributed in washtub 1 two ends, when the clothing in washtub 1 clashes into washtub 1 both sides, according to the active force between interactional two particles of Newton's third law and reaction force always equal and opposite in direction, the reason that direction is contrary, also the clothing in washtub 1 liang of side impaction bucket is equivalent to, in washtub 1 both sides, impact body 12 is installed, also be equivalent to impact body 12 and beat clothing, such washing methods is similar to the gimmick that laundry beaten by original craft wooden club, wash liquid is ceaselessly replaced inside and outside washing clothes, power of beating larger wash liquid displacement level is darker, the disengaging of spot is with more by leaching content.
Described washtub 1 is fixed on the top of rocking arm 2, therefore washtub 1 swings is the drive being subject to rocking arm 2, and rocking arm 2 to wave be driving by yaw drive 4, the rocking arm drive unit 4 of the present embodiment adopts mechanical yaw drive 41, and its structure comprises speed reduction driving mechanism for power 411, torsion central shaft 412, bracing frame 413, crank 414, yaw link 415, swing arm 416, connecting rod 417, drawing-pressing spring 418.Described yaw link 415 is made up of swing arm 416, connecting rod 417, and described speed reduction driving mechanism for power 411 is made up of drive motor and deceleration system, described deceleration system alternative gear deceleration system or belt deceleration system.The preferred gear reduction system of deceleration system in the present embodiment, gear reduction system and drive motor are combined into speed reduction driving mechanism for power 411, described speed reduction driving mechanism for power 411 is all fixed on pedestal 6 with bracing frame 413, crank 414 is arranged on the output shaft of speed reduction driving mechanism for power 411, described crank 414 connects yaw link 415, described connection yaw link 415 is by swing arm 416, connecting rod 417 formed, described connecting rod 417 one end connecting crank 414, one end connects swing arm 416, the other end of described swing arm 416 connects torsion central shaft 412, described torsion central shaft 412 is connected on bracing frame 413.
Described yaw link 415 is provided with buffer spring, described buffer spring is for elimination or reduce speed reduction driving mechanism for power 411 mutually to impact with torsion central shaft 412 and design, described buffer spring can be drawing-pressing spring 418 or is torque spring 419, the preferred drawing-pressing spring 418 of the present embodiment, described drawing-pressing spring 418 is arranged on connecting rod 415.Drawing-pressing spring 418 can be one group of multiple or independence one, and the present embodiment preferably a group three, is connected in connecting rod 417 by a pair triangular steel plate.Crank 414 rotates by the driving force of speed reduction driving mechanism for power 411, crank 414 drivening rod 417 back and forth movement, the track of movement velocity is specific sinusoidal trajectory, and rocking arm 2 swings around a central point, the track of their movement velocity is obviously absonant, what utilize drawing-pressing spring 418 stores exoergic characteristic, overcomes impact to mechanical system when crank dead point crossed by connecting rod 415.
Described balancing sp ping mechanism 5 comprises: spring 51, spring adjusting sleeve 52, spring adjusting screw 53 and adjusting sleeve support 54, one end of described spring 51 is connected with rocking arm 2, and the other end of described spring 51 passes spring adjusting sleeve 52 and adjusts its elasticity by spring adjusting screw 53.Described adjusting sleeve supports 54 and is fixed on pedestal 6, and described spring adjusting sleeve 52 is fixed on adjusting sleeve and supports on 54, and cushioning effect between described spring 51 rocking arms 2 and yaw drive 4, makes equipment reach and operate steadily.
The wobble frequency of washtub 1 is adjustable, change the wobble frequency of yaw drive 4, and then change the wobble frequency of washtub 1, the present embodiment is realized by the speed changing drive motor in speed reduction driving mechanism for power 411, once the speed of drive motor changes, the wobble frequency of the rocking arm 2 linked will change.
For choosing of spring 51, first to consider the gross weight of washtub 1 and counterweight 3, according to the formula for natural frequency of spring 51
calculate the k value of spring 51, if washtub 1 designs the intrinsic frequency that wobble frequency equals spring, so just, the k value of spring 51 can be calculated to obtain, simultaneously, the intrinsic frequency of spring 51 also will equal or close to the driving frequency of speed reduction driving mechanism for power 411, with the object reaching soft driving, operate steadily.
Due to the existence of balancing sp ping mechanism 5, after shutting down, washtub 1 stops at the centre position of waving automatically, so need not increase the system controlling washtub 1 and reset again, washtub 1 is parked in centre and is convenient to put into and take out substrate.
The lower end of described rocking arm 2 is provided with counterweight 3, described rocking arm 2 is fixed on torsion central shaft 412, described pedestal 6 is mesa structure, the lower end of described rocking arm 2 is through pedestal 6, the lower end of two rocking arms 2 is fixed at the two ends of described counterweight 3, and be in the below of pedestal 6, the object of installation counterweight is the balance in order to complete machine, if there is no counterweight 3, swing along with rocking arm 2 swings by complete machine, first choosing of counterweight 3 will consider washtub 1 quality, according to the position proportional calculated weight of torsion central shaft 412 in rocking arm 2.
In addition, washtub 1 material can be plastics, stainless steel etc., time shaping can injection moulding also moldable, body 11 of stirring in washtub 1 all can be injection moulding or compression molding with impact body 12, also can install in addition, when described impact body 12 is one-body molded with washtub 1, described impact body 12 and washtub 1 both sides inner wall surface are provided with padded coaming, when described impact body 12 is for installing in addition, impact body 12 is made up of non-rigid padded coaming, to prevent the hard member of impacting on bad washing clothes, as clasp etc.
Described delivery port 14 opens the bottommost in washtub 1 one end, such draining is thorough, and described water inlet 13 is opened in the bottom of washtub 1 other end, and water inlet 13 and delivery port 14 are all installed into water valve and draining valve, current collector control panel controls, and reaches washing, rinsing, drying control automatically.
Specific works process:
As Figure 14 comprises into water interface 33, upper cover 34, switch instrument control panel 35, casing 36, drainpipe outlet 37, lower cover 38.
The present invention can be designed to full automatic washing, also can be designed to simple semi-automatic operation.Semi-automatic operation: the first step, opens upper cover 34, then beats the lid of washtub 1 bung, puts into washing clothes, and washing clothes must not be overweight, and the volume after washing clothes soaks is that 1/2nd of washtub 1 volume is advisable.After putting into washing clothes, connect upper hose, open outside hose, to water on wash bucket 1, semi-automatic operation is not provided with water intaking valve, the number of Artificial Control water, and standard is that washing clothes soaks into rear washtub 1 end and approximately stays the water that about 30mm is dark, outside hose is closed after water adds, add certain cleaning agent, shut the lid of washtub 1 bung, then shut upper cover 34, upper cover 34 is with safety switch, and after shutting upper cover 34, machine just can carry out next step operation.Second step, presses start button, and machine is started working, and washtub 1 starts to wave, and the clothing in washtub 1 is washed.3rd step, press drainage switch key again after washing a period of time, draining valve is opened, and the sewage in washtub 1 is discharged, and at this moment because washtub 1 is also waving, washing clothes is subject to impact body 12 and ceaselessly hits, extrudes, and in body, moisture is squeezed out gradually.Squeezed out the intermediate sulcus concentrated flow of sewage along impact body 12 gradually enter draining valve and flow into drainpipe, sewage is discharged outside machine by drainpipe outlet 37 by drainpipe.4th step, after blowdown a period of time, appropriateness opens outside hose, enters rinse stage, and clear water constantly enters in washtub 1, and sewage is constantly discharged.See that the water be discharged becomes clear, reach yourself satisfied, outside hose can be closed.5th step, washing clothes dewaters: after closing outside hose, washtub 1 continues to wave, and washing clothes is subject to impact body 12 and ceaselessly hits, extrudes, and in body, residual moisture is squeezed out gradually, and is drained by draining valve, reaches the object of clothes dewatering.
See drainpipe no longer water outlet or a small amount of water outlet, press machine stop button, washtub 1 stop motion, clothes washing completes, and opens upper cover 34, then opens the bucket cover of washtub 1, takes out the clothing cleaned.
Full automatic washing: the first step, opens upper cover 34, then opens bucket cover, put into washing clothes, and same washing clothes must not be overweight, and it is that 1/2nd of washtub 1 volume is advisable that washing clothes soaks volume.After putting into washing clothes, connect upper hose, open outside hose, press startup and soak into function, start working according to electrical equipment control program machine.At this moment water intaking valve is first opened, enter and soak into program, to water on washtub 1, the upper water time has been designed in advance by electrical equipment control program, the washtub 1 that starts the machine starts to wave, after washtub 1 waves certain hour, in clothing, moisture absorption reaches capacity state, and draining valve is opened by control program automatically, discharge washing clothes and soak into rear unnecessary water, soak into program to complete, wherein, flooding time is no more than 1 minute; Automatically open water intaking valve again, control the water consumption injecting washing, the standard of slurry amount is that washing clothes soaks into rear washtub 1 end and approximately stays the dark water of about 30mm to be advisable.Because at this moment washing clothes soaks into, so this slurry amount is no longer by washed how much impact, can quantize, and output can use time quantization, so it is feasible for utilizing the time to control to inject slurry amount, sensor and other elements of control water need not be increased again.Automatically close water intaking valve after injecting slurry, machine stops.The artificial putting detergent of second step, as washing powder etc.Open upper cover 34, then open the lid of bung, after adding certain cleaning agent, shut bucket cover and upper cover 34, start start button and enter washing procedure, washtub 1 continues to wave.3rd step washing procedure: control program of the present invention is similar to most of automatic washing machine, is also designed with the gear of substrate, and as ramie cotton fabric shelves, artificial fibre shelves, high-count fabric shelves, manually determine shelves etc.These shelves will set according to substrate product before starting the machine.In a word corresponding to each gear is the amplitude that washtub 1 waves and the frequency of waving, the namely impulsive force of impact body 12 pairs of washing clothes.From shut upper cover 34 to sewer for washing the period.4th step sewer rinse stage: after having washed, control program starts the blowdown stage, at this moment washtub 1 still waves, blowdown water valve is opened, and after the blowdown period completes, starts to enter rinse stage, water intaking valve is first opened, start upper water to washtub 1, upper water still utilizes timing to determine the method for the water yield, once goes up water unsuitable many, take few principle entering to go out less, waving exactly along with washtub 1, upper water, put some water, upper water, put some water again, water intaking valve and draining valve replace opening and closing, reach the object of washing clothes rinsed clean.5th step washing clothes dehydration: rinsing setting-up time arrives, program closes water intaking valve automatically, open draining valve simultaneously, washtub 1 continues to wave, washing clothes is subject to hitting body 12 and ceaselessly hits, extrudes, in body, residual moisture is squeezed out gradually, and is drained by draining valve, reaches the object of clothes dewatering.6th step is shut down: after dehydration procedure completes, machine auto-breaking, quits work, washtub 1 stop motion, and clothes washing completes, and opens upper cover 34, then opens the bucket cover of washtub 1, takes out the clothing cleaned.
Control system of the present invention, due to need not any sensor, just make use of the flow process of time, so control system is also fairly simple, cheap.
Embodiment two:
As Fig. 2 ~ Fig. 3, Fig. 8 ~ Figure 14, wave clash into wash mill primarily of washtub 1, rocking arm 2, counterweight 3, electromagnetism yaw drive 41, balancing sp ping mechanism 5, pedestal 6, stir body 11, impact body 12, water inlet 13 and delivery port 14 and form.
The yaw drive 4 that the present embodiment adopts is electromagnetism yaw drive 42, the structure of described electromagnetism yaw drive 42 is: comprise stator 421, rotor 422, rotor center axle 423, magnetic pole piece 424 and coil 425, described stator 421 is fixed on pedestal 6, described magnetic pole piece 424 is multiple and is symmetricly set on stator 421 inner surface, described magnetic pole piece 424 is wound with coil 425, described rotor 422 is arranged on stator 421 inside center place by rotor center axle 423 and rotor driven central shaft 423 moves, the joint of described coil 425 is connected with peripheral control unit, described electromagnetic actuator device 42 is arranged on pedestal 6, described peripheral control unit is for controlling the swing direction of rotor 422, when wherein a pair coil 425 obtains electric, rotor 422 just deflects into magnetic pole piece 424 position at coil 425 place, whether electric coil 425 obtain is the control being subject to peripheral control unit, described peripheral control unit is controlled by the intermittent device in circuit board or adopts the modes such as Hall switch to control, in the present embodiment, two pairs of continuous intermittent alternative of coil 425 obtain dead electricity, rotor center axle 423 is made constantly to carry out back rotation by a certain angle, angle between magnetic pole piece 424, determines the swing angle of rotor center axle 423, and the swing angle of rotor center axle 423 determines again the rocking tendency of washtub 1.Described rotor 422 folds with silicon steel sheet to form, on it can coiling to increase power, or not coiling.
Other structures, the component function of the present embodiment are all identical with embodiment one with working method.
Embodiment three:
As Fig. 3 ~ Fig. 4, Fig. 8 ~ Figure 14, wave clash into wash mill primarily of washtub 1, rocking arm 2, counterweight 3, electromagnetism yaw drive 41, balancing sp ping mechanism 5, pedestal 6, stir body 11, impact body 12, water inlet 13 and delivery port 14 and form.
Counterweight 3 in the present embodiment is arranged on the top of pedestal 6 plane, and the lower end of described rocking arm 2 is positioned at the top of pedestal 6, and described rocking arm 2 lower end is provided with counterweight 3, and described counterweight 3 is two, is separately fixed at the lower end of two rocking arms 2.
Other structures, the component function of the present embodiment are all identical with embodiment two with working method.
Embodiment four:
As Fig. 3, Fig. 5, Fig. 8 ~ Figure 14, wave clash into wash mill primarily of washtub 1, rocking arm 2, counterweight 3, electromagnetism yaw drive 41, balancing sp ping mechanism 5, pedestal 6, stir body 11, impact body 12, water inlet 13 and delivery port 14 and form.
The counterweight 3 that the present embodiment adopts is the next washtub 31, the quality of described the next washtub 31 calculates according to the position proportional of torsion central shaft 412 in rocking arm 2, washtub 1 and the next washtub 31 balance relative to torsion central shaft 412, described the next washtub 31 is arranged between two rocking arm 2 lower ends, and the structure of described the next washtub 31 is consistent with washtub 1.
In use, owing to being provided with the next washtub 31, draining valve can not natural drainage, need to add draining pump and carry out forced drainage, reason is the bottom that draining valve is arranged on washtub, due to washtub, draining valve together oscillating motion, drainpipe will to be disposed by torsion central shaft 412 along rocking arm 2 just can send drainpipe outlet 37, washtub 1 designs on torsion central shaft 412 can natural drainage, the next washtub 31 designs below torsion central shaft 412, water can not to upper reaches, so need to add draining pump to carry out forced drainage.The putting into taking out by lower cover 38 and realize of the next washtub 31 clothing.
Other structures, the component function of the present embodiment are all identical with embodiment two with working method.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.