CN205329385U - Electric washing machine - Google Patents

Electric washing machine Download PDF

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Publication number
CN205329385U
CN205329385U CN201620077516.0U CN201620077516U CN205329385U CN 205329385 U CN205329385 U CN 205329385U CN 201620077516 U CN201620077516 U CN 201620077516U CN 205329385 U CN205329385 U CN 205329385U
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China
Prior art keywords
lid
mentioned
buffer
overhead guard
spring
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CN201620077516.0U
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Chinese (zh)
Inventor
小谷直己
曾我丈
片根和俊
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Hitachi Global Life Solutions Inc
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Hitachi Appliances Inc
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  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

An object of the utility model is to provide a washing machine, thus make the unshowy improvement appearance of supporting part of buffer, and improved the intensity of the supporting part of buffer. Electric washing machine possesses: carry the overhead guard of arranging washing machine main body upper portion in, rotate axle suspension in the lid of the upper surface of above -mentioned overhead guard freely around the lid counter roll between fully open position and full cut -off position, have the buffer main part and rotate axle suspension in the buffer axle of above -mentioned buffer main part freely to to the decay buffer of giving viscosity resistance's rotation type between above -mentioned buffer main part and the above -mentioned buffer axle, and support above -mentioned buffer axle in the buffer supporting part of above -mentioned overhead guard, install in the inboard of above -mentioned buffer supporting part with the buffer support accessory that above -mentioned buffer coupling touched, above -mentioned buffer supporting part and above -mentioned overhead guard form as one.

Description

Electric washer
Technical field
This utility model relates to the electric washer of washing garment type。
Background technology
Making bucket rotate around vertical axis, upper opening pick and place in the so-called upright type washing machine of washings, possess rotating vane in bottom surface, wash by making rotating vane and bucket rotate。
Carrying out the lid that washings picks and places, relative to the overhead guard being located at body of the washing machine top, utilization is located at the rotating shaft of inboard, i.e. hinge in terms of user and can be opened and closed axle supporting, and user mentions the edge of side, front, it is possible to open。Lid have be divided in front of side and inboard two parts thus the folded opened of bending and the overall integral manner integrally opened。The prior art relevant to this integral manner has following patent documentation 1-3。
Prior art literature
Patent documentation
Patent documentation 1: No. 4462362 publications of Japanese Patent No.
Patent documentation 2: No. 4513877 publications of Japanese Patent No.
Patent documentation 3: No. 4605234 publications of Japanese Patent No.
But, in the structure described in patent documentation 1 to patent documentation 3, the support portion of the assembling buffer for relaxing impact is made up of the miscellaneous part with overhead guard different materials, and therefore the support portion of Y-shaped shape is obvious in appearance。
Utility model content
Then the purpose of this utility model is in that to provide a kind of washing machine, does not make the support portion of buffer make outward appearance good boldly, and improves the intensity of the support portion of buffer。
In order to reach above-mentioned purpose, the electric washer of scheme 1 of the present utility model possesses:
It is placed in the overhead guard on body of the washing machine top;
The spaced winding lid fulcrum earth's axis freely at fully open position Yu full close position is supported on the lid of the upper surface of above-mentioned overhead guard;
There is buffer main body and rotate freely the earth's axis and be supported on the buffer shaft of above-mentioned buffer main body, and to giving the revolving attenuation buffer of viscous drag between above-mentioned buffer main body and above-mentioned buffer shaft;And
Above-mentioned buffer shaft is supported in the buffer support portion of above-mentioned overhead guard,
Above-mentioned electric washer is characterised by,
The buffer contacted with above-mentioned buffer shaft is supported accessory and is installed on the inner side of above-mentioned buffer support portion, above-mentioned buffer support portion and above-mentioned overhead guard are formed as one。
The scheme 2 electric washer according to scheme 1, it is characterised in that
Fixing by making above-mentioned buffer main body rotate relative to above-mentioned lid, and it is fixing to make above-mentioned buffer shaft rotate relative to above-mentioned overhead guard, thus to giving viscous drag between above-mentioned overhead guard and above-mentioned lid。
The scheme 3 electric washer according to scheme 1 or 2, it is characterised in that
Possess above-mentioned lid to the afterburning lid spring of opening direction,
At the full close position of above-mentioned lid, above-mentioned lid spring the power closing direction that the force rate of the opening direction produced is produced by the deadweight of above-mentioned lid is little,
At the predetermined angular of the on-off action midway of above-mentioned lid, above-mentioned lid spring the power of the opening direction produced is balanced with the power closing direction produced by the deadweight of above-mentioned lid,
Above-mentioned lid is the structure of action as follows:
When the open angle of above-mentioned lid is less than above-mentioned predetermined angular, above-mentioned lid rotates to closing direction, and turns to full close position,
When the open angle of above-mentioned lid is bigger than above-mentioned predetermined angular, above-mentioned lid rotates to opening direction, and turns to fully open position。
The effect of utility model
Can providing a kind of washing machine according to this utility model, when opening lid, the support portion of buffer is unobtrusively, and appearance design promotes, and the intensity of the support portion of buffer is also high。
Accompanying drawing explanation
Fig. 1 represents the axonometric chart of the electric washer of the first embodiment of the present utility model。
Fig. 2 is the axonometric chart of the electric washer of the first embodiment of the present utility model, represents lid open mode。
Fig. 3 represents the top view of the electric washer of the first embodiment of the present utility model。
Fig. 4 represents the A-A sectional view of Fig. 3 of the electric washer of the first embodiment of the present utility model。
Fig. 5 is the axonometric chart of the lid of the electric washer of the first embodiment of the present utility model。
Fig. 6 be the lid of the electric washer of the first embodiment of the present utility model, along the B-B sectional view of Fig. 3 of rotating shaft。
Fig. 7 (a), Fig. 7 (b) indicate that the C-C phantom of the Fig. 6 near the fulcrum of the lid of the electric washer of the first embodiment of the present utility model, Fig. 7 (a) represents the open mode of lid, and Fig. 7 (b) represents the closed mode of lid。
Fig. 8 indicates that the D-D phantom of the Fig. 6 near the fulcrum of the lid of the electric washer of the first embodiment of the present utility model。
Fig. 9 is the exploded perspective view of the installation action of the lid of the electric washer of the first embodiment of the present utility model。
Figure 10 (a), Figure 10 (b) indicate that the E-E phantom of Fig. 9 of the installation action of the lid of the electric washer of the first embodiment of the present utility model。
Figure 11 indicates that the open angle of the lid of the electric washer of the first embodiment of the present utility model and the synoptic diagram of deadweight and the relation of tensile force。
Figure 12 is the block diagram in the control portion of the electric washer of the first embodiment of the present utility model。
Figure 13 indicates that the basic controlling of the electric washer of the first embodiment of the present utility model processes the flow chart of program。
In figure:
1 body of the washing machine, 2 casings, 3 washings input ports, 4 overhead guards, the 4a back side is covered, 5 lids, 6 lid fulcrums, 7 handle portions, recess is accepted in 8 lockings, 9 lock cells, 9a bar, 10 locking receiving holes, projection is accepted in 11 lockings, 12 detergent box covers, 13 detergent boxes, 14 detergents/softener input port, 15 outer barrels, 16 feed water inlets, 17 water supply electromagnetic valves, 18 buckets, 18a through hole, 18b through hole, 19 desiccant bodies, 20 guidance panels, 21 hanging bars, 22 rotating vanes, 23 fluid balancers, 24 drive motor, 25 Electromagnetically-operating clutches, 26 choke boxes, 27 level sensors, 28 vibrating sensors, 29 groove covers, 30 inner caps, 31 hinges, 32 warm braw blow-off outlets, 33 water feed inlet, 34 recirculated water entrances, 35 water-through and ventilating mouths, 36 dry channels, 37 Air Blast fans, 38 heaters, 39 lint filters, 40 temperature sensors, 41 corrugated tubes, 42 circulating pumps, 43 circulation pipes, 44 foreign body trap portions, 45 drain valves, 46 scupper hoses, 47 nozzles, 48 cover glasses, 49 lid following table face shields, 50 lid rear masks, 51 cover hinge covers, 52 reinforcing fittings, 53 is protruding, 54a, 54b fulcrum, 55a, 55b lid spring, 56a, 56b hinge member, 57a, 57b recess, 58a, 58b the first extension, 59a, 59b the second extension, 60a, 60b rotary buffer, 61a, 61b buffer main body, 62a, 62b buffer shaft, 63 buffer support portions, 64a, 64b protuberance, 65 is protruding, 66 screws, 67a, 67b spring support hole, 68a, 68b groove, 69a, 69b buffer retainer, 70a, 70b knuckle guard, 71 buffers support accessory, 80 control device, 81 microcomputers, 82 operation button input circuits, 83 drive circuits, 84 display, 85 buzzers, 86 on and off switch。
Detailed description of the invention
Hereinafter, an example (hereinafter referred to as " embodiment ") for implement of the present utility model mode is suitably described in detail with reference to the attached drawings。And, in the various figures common segment is marked same-sign, omit repeat specification。It addition, in the following description, up and down fore-and-aft direction with shown in Fig. 1 up and down fore-and-aft direction for benchmark。
So-called vertical electric washing machine in present embodiment carries out the washing of garment type and dry by having following structure。
In the outer barrel of savings washings, possess the bucket rotatably supported with outer barrel coaxially, set irregular rotating vane at upper surface and can be located at the bottom surface of bucket rotatably。This rotating vane and bucket are to utilize the driver element selectivitys such as motor to drive the structure rotated。
Further, vertical electric washing machine possesses with lower unit: detergent water supplying unit, and it supplies water to detergent input port, makes put into the detergent dissolution of detergent input port and be directed into the bottom of outer barrel;Water supplying unit, it supplies water in above-mentioned outer barrel;Drainage cell, the washings in above-mentioned outer barrel are discharged to outside washing machine by it;Washings cycling element, it draws the washings of above-mentioned outer barrel bottom surface and sprays washings from the top of bucket;Dehumidifying element, it is heated after absorbing the highly humid air of above-mentioned tub and carrying out water-cooled dehumidifying, is blown into low-humidity air so that washings dries in bucket;And control unit, above-mentioned driver element, above-mentioned water supplying unit, above-mentioned drainage cell, above-mentioned washings cycling element, above-mentioned Dehumidifying element are driven controlling by it。
Further, above-mentioned control unit controls washing and drying process as follows。
In washing procedure, by supplying water in outer barrel, dissolve and be supplied to the detergent of outer barrel bottom surface thus generating high concentration detergent liquid。Make high concentration detergent liquid spray washings by above-mentioned washings cycling element from the top of bucket to be circulated like that, by making rotating vane positive and negative rotation, utilize the frictional force produced between rotating vane and washings or the stirring due to the component of above-below direction of concavo-convex generation and washings, clean washings。
In rinsing process, it is supplied from water after being discharged by washings, make tap water spray washings by above-mentioned washings cycling element from the top of bucket to be circulated like that, by making rotating vane positive and negative rotation, utilize the frictional force produced between rotating vane and washings or the stirring by the component of the above-below direction of concavo-convex generation and washings, carry out will be attached to the rinsing that the detergent ingredients of washings squeezes out。
And in drying process, while making above-mentioned rotating vane positive and negative rotation, the highly humid air of the above-mentioned tub of sucking-off, is heated after carrying out water-cooled dehumidifying, is circulated so that washings dries while being again blown in above-mentioned outer barrel。
Fig. 1 indicates that the axonometric chart of the electric washer outward appearance of this utility model embodiment, represents lid closed mode, and Fig. 2 illustrates that lid is opened it is thus possible to pick and place the state of washings。Fig. 3 indicates that the top view of electric washer outward appearance, and Fig. 4 indicates that in-built longitudinal sectional view, represents A-A section in Fig. 3。
On the top of casing 2 of the square tube shape of the exterior contour forming body of the washing machine 1, possess upper opening of washings input port 3, be placed with the overhead guard 4 on the top forming body of the washing machine 1。Overhead guard is by molding such as such as ABS (acrylonitrile-butadiene-styrene (ABS)) resin, PP (polypropylene) resins。
At the upper surface of overhead guard 4, it is provided with in the way of covering washings input port 3 along lid fulcrum 6 opening and closing lid 5 freely。Lid 5 is to be the substantially lamellar of substantially tetragon, possesses front, back, the right and the left side。Lid fulcrum 6 is arranged along the back of lid 5, and the front along lid 5 is provided with the handle portion 7 manual for operator。
The ratio lid 5 of overhead guard 4 is covered 4a by the back side rearward and covers。Right side front openings in the washings input port 3 of overhead guard 4 has locking to accept recess 8。Accept recess 8 with locking to be adjacent to be provided with lock cell 9。Lock cell 9 carries out following action according to the instruction of control unit: makes the bar 9a movably supported in the lateral direction be projected into locking by drive sources such as not shown solenoid or motors and accepts inside or the retraction of recess 8。
Being provided with locking at lid 5 and accept projection 11, this locking is accepted projection 11 and is provided with the bar 9a locking receiving hole 10 that can insert in side。It is following structure that projection 11 is accepted in locking: is inserted into locking when closing lid 5 and accepts the inside of recess 8, if lock cell 9 plays a role, then bar 9a is chimeric with locking receiving hole 10, and lid 5 is locked into does not open。
In the left end side in front of overhead guard 4, it is provided with the recess that the detergent box cover 12 of the formula of being opened and closed covers, i.e. detergent box 13, is divided into detergent and puts into room, softener input room etc.。User puts into the powder detergent of scheduled volume, liquid detergent or softener after opening detergent box cover 12 in detergent box 13。Detergent box 13 is connected with detergent/softener input port 14, supplies detergent, softener in outer barrel 15。
At the back upper surface rearward of the ratio lid 5 of overhead guard 4, it is provided with the feed water inlet 16 being connected via flexible pipe with not shown running water pipe。Connecting water supply electromagnetic valve 17 in feed water inlet 16, the instruction according to controlling system is supplied water。For water supply electromagnetic valve 17, illustrating for the cross valve supplied water to four direction, first is washing water supply electromagnetic valve, is connected with water feed inlet, supplies water in bucket 18。Second is detergent water supply electromagnetic valve, puts into room with the detergent of detergent box 13 and is connected。3rd is softener water supply electromagnetic valve, puts into room with the softener of detergent box 13 and is connected。4th is connected with desiccant body 19。
Front along overhead guard 4 is provided with guidance panel 20, is provided with on and off switch, carries out the operation button of the operations such as operation selection or wash time setting such as washing, dry, and is provided with the such as display unit such as liquid crystal, light-emitting component。
The outer barrel 15 of savings washings is supported to vibrationproof in the way of being positioned at casing 2 center by hanging bar 21, this hanging bar 21 suspends in midair from the corner of casing 2 upper surface, possess spring and attenuation units, inside in outer barrel 15, the bucket 18 carrying out washing and dehydration is set in the way of rotatable, and in the way of rotatable, is provided with rotating vane 22 in the bottom surface of bucket 18。
In periphery wall and the bottom surface of bucket 18, it is provided with through hole 18a, the 18b for carrying out water flowing and ventilation, in the periphery of the peristome of the upper end of bucket 18, is provided with inside and there is the fluid balancer 23 as Anti-vibration unit of fluid。
Upper surface at rotating vane 22 is provided with concavo-convex, while agitator treating water, the washings of the upper surface putting into rotating vane 22 gives the component of above-below direction or direction of rotation, washs。Bucket 18 and rotating vane 22 are optionally driven rotation via reducing gear by Electromagnetically-operating clutch 25 by the driving motor 24 of the such as converter type as driving mechanism。Namely, by controlling driving motor 24 and Electromagnetically-operating clutch 25, can switch to washing drive pattern and dehydration drive pattern, washing drive pattern is: makes bucket 18 locking or is being released under rotatable state, repeatedly making rotating vane 22 positive and negative rotation, dehydration drive pattern is: make bucket 18 and rotating vane 22 rotate continuously in same direction integratedly。
Being provided with choke box 26 in the bottom surface of outer barrel 15, internal pressure is transferred to level sensor 27 via pipe, thus the washings water level detected in outer barrel 15。
Outer lateral side in outer barrel 15 is provided with vibrating sensor 28, during detection washing, dehydration time outer barrel 15 vibration。
The upper surface of outer barrel 15 is covered by groove cover 29。Washings input port 3, from the front side of groove cover 29 to the scope opening of about 2/3, is covered by inner cap 30。Inner cap 30, around the rotatable earth's axis supporting of the hinge 31 being located at inner cap 30 rear, releases the locking (not shown) of inner cap 30 by lifting handle portion 71 and opens。Become and close the structure that the backward lower squeeze grip portion 71 of inner cap 30 is then locked。
In the back-surface side of groove cover 29, the warm braw blow-off outlet 32 of the upper and lower surface of connectivity slot cover 29, water feed inlet 33, recirculated water entrance 34 are set。In the front face side of groove cover 29, it is provided with detergent/softener input port 14。
Water-through and ventilating mouth 35, at the bottom surface opening of outer barrel 15, is connected with the warm braw blow-off outlet 32 of the upper surface being located at outer barrel 15 via dry channel 36。In the midway of dry channel 36, it is provided with Air Blast fan 37, heater 38, lint filter 39, desiccant body 19, temperature sensor 40。If making it rotate Air Blast fan 37 energising, heater 38 energising is heated, then warm braw is blown in bucket 18, makes moisture evaporate washings heating。The air of high temperature and humidity is come in outer barrel 15 by through hole 18a, 18b of bucket 18, flows into dry channel 36 by water-through and ventilating mouth 35。Utilize the cooling water of flowing in desiccant body 19 to carry out water-cooled dehumidifying, heated once again by heater 38 and become dry warm braw, be blown into once again in bucket 18 from warm braw blow-off outlet 32 and be circulated。
Corrugated tube 41a, 41b, 41c, 41d, 41e of rubber is for the outer barrel 15 of vibration displacement, groove cover 29 and the connection being located at the water supply electromagnetic valve 17 of fixing casing 2, overhead guard 4 etc., dry channel 36, circulating pump 42 etc.。
It is located between the water-through and ventilating mouth 35 of outer barrel 15 bottom surface and the recirculated water entrance 34 being located at groove cover 29 upper surface rear portion and is connected by circulation pipe 43。In the midway of circulation pipe 43, it is provided with in the circulating pump 42 being arranged around in the bottom surface of body of the washing machine 1 and trapping recirculated water the foreign body trap portion 44 containing foreign body, is connected to scupper hose 46 via drain valve 45。
If making circulating pump 42 operate, then the washings in outer barrel 15 are from the water-through and ventilating mouth 35 of outer barrel 15 bottom surface by circulation pipe 43, after removing line bits by not shown lint filter, are sprayed onto in bucket 18 from nozzle 47。
Then, lid 5 and the structure of lid fulcrum 6 are described according to Fig. 5 to Fig. 8。
Fig. 5 is the axonometric chart of lid 5 open mode seen from inner side, in order to express the structure of lid fulcrum 6, is indicated through the cover near lid fulcrum 6。In figure up and down before and after mark represent body of the washing machine towards, therefore when Fig. 5 of lid 5 standard-sized sheet, front for diagram top, back for diagram lower section。Fig. 6 is B-B sectional view in Fig. 3, it is shown that the structure of lid fulcrum 6。Fig. 7 (a), Fig. 7 (b) are the C-C sectional views of Fig. 6, and Fig. 7 (a) represents the open mode of lid 5, and Fig. 7 (b) represents the closed mode of lid 5。Fig. 8 is the D-D sectional view of Fig. 6, represents the open mode of lid 5。
Lid 5 is substantially symmetrical shape, and the component parts such as spring, buffer is symmetrically provided with a pair, therefore the component parts note a on right side is indicated, and the component parts note b in left side is indicated。
Lid 5 is provided with resinous lid following table face shield 49 in the way of covering the end face on lower surface in the substantially cover glass 48 of tetragon and front, the left side, the right。Lid rear mask 50 is arranged along the back of cover glass 48, and is set to the back bread from the table below of cover glass 48 is layed onto upper surface。And in the way of covering the lower surface of the lid fulcrum 6 of cover glass 48, it is provided with the cover hinge cover 51 that left and right directions width ratio lid following table face shield 49 is narrow。
At the lower surface of lid following table face shield 49, it is provided with the sheet-metal component such as by iron plate bending, the reinforcing fitting 52 that namely rigidity is big, utilize screw 66 and lid following table face shield 49 to be fastened on the projection 53 of setting integratedly。A part for reinforcing fitting 52 from cover glass 48 direction left at a right angle and with the rotating shaft direct cross of lid fulcrum 6 be bent over, in the position of the center of rotation becoming lid fulcrum 6, be provided with the through hole of pair of right and left fulcrum 54a, 54b。Pair of right and left fulcrum 54a, 54b are installed to reinforcing fitting 52 with the state of lid spring 55a, 55b of through track round respectively, become the rotating shaft of lid fulcrum 6。
Compare the left and right sides of lid 5 in the inner part, and comparing the left and right end face of cover hinge cover 51 scope in the outer part, be provided with hinge member 56a, 56b of possessing medial surface and lateral surface and lower surface of a pair "U" word shape generally upwards。At medial surface and the lateral surface of hinge member 56a, 56b, the through through hole being provided with fulcrum 54a, 54b and spring support hole 67a, 67b respectively。
At medial surface and the lateral surface of pair of right and left hinge member 56a, 56b, supported fulcrum 54a, 54b respectively throughly, lower surface utilize screw relative to be located at overhead guard 4 left and right side near recess 57a, 57b link and fix。
A pair lid spring 55a, 55b are the torsion springs possessing coil portion, the spring one end of the side, inner side close to each other of a pair lid spring 55a, 55b is first extension 58a, 58b, first extension 58a, 58b extends to the direction in front of lid 5 respectively, abuts in the direction of the moment of torsion that lid 5 gives opening direction from the following side of lid 5 relative to reinforcing fitting 52。On the other hand, the other end of the side, outside towards each other of a pair lid spring 55a, 55b possesses second extension 59a, 59b, this second extension 59a, 59b, after the central shaft departure direction of the coil portion from lid spring 55a, 55b extends, are bent over to from coil portion departure direction abreast with the central shaft of coil portion。Second extension 59a, 59b along fulcrum 54a, 54b to each other laterally departure direction extend。Second extension 59a, 59b, in the medial surface of 67a, 67b place, spring support hole through hinge member 56a, 56b and these two sides of lateral surface, is supported at two places, and wherein, spring support hole 67a, 67b are being different from the position opening of fulcrum 54a, 54b。
Second extension 59a, 59b is the medial surface of through hinge member 56a, 56b and these two sides of lateral surface the structure supported at two places, even if therefore when being applied with lid spring 55a, 55b by twisting moment by the on-off action of lid 5, second extension 59a, 59b also keeps and stably being supported abreast of fulcrum 54a, 54b at two places respectively。Therefore, the spring constant of lid spring 55a, 55b is not affected by heavy burden, remains stable for, and second extension 59a, 59b will not excessive deformation and produce unnecessary stress, therefore there is reliability this effect high。
Second extension 59a, 59b of lid spring 55a, 55b is fixed on overhead guard 4 via hinge member 56a, 56b, first extension 58a, 58b of lid spring 55a, 55b is located at lid 5 via reinforcing fitting 52, therefore, lid 5 is the structure utilizing lid spring 55a, 55b to accept to open the rotating torques in lid 5 direction around fulcrum 54a, 54b。
Close to the center, left and right of lid 5, coaxial with fulcrum 54a, 54b and compared with fulcrum 54a, 54b be provided with a pair rotary buffer 60a, 60b in the inner part。Rotary buffer 60a, 60b are sealed with high silicone grease of such as viscosity etc. thus producing the structure of viscous drag torque between buffer main body 61a, 61b and buffer shaft 62a, 62b of rotating freely in predetermined angular range。Buffer main body 61a, 61b utilize screw 66 to link via buffer retainer 69a, 69b and are arranged in projection, thus rotating integrally with lid 5, this projection is located at lid following table face shield 49, and this buffer retainer 69a, 69b extend from buffer main body 61a, 61b to from rotating shaft departure direction。Buffer shaft 62a, 62b such as cutting the cross sectional shape for plane substantially elliptical by two sides relative in drum surface。
If a side of a pair rotary buffer 60a, 60b is the first buffer 60a producing viscous drag when the opening action of lid 5, the opposing party is the second buffer 60b producing viscous drag when the closing motion of lid 5, then all produce rotary buffer 60a or the rotary buffer 60b viscous drag caused when any action of the opening action of lid 5 and closing motion。When being possess individual structure of cover glass 48 and quality more than resinous lid 5 particularly in lid 5, also can give, at the four corner of on-off action, the decay that rotary buffer 60a, 60b cause, so that the on-off action of lid 5 is low speed, do not have lid 5 scram or open rapidly when close to standard-sized sheet, therefore the on-off action of smooth and easy stable lid 5 can be realized, it is advantageous to。Furthermore it is also possible to be that the rotary buffer 60a of a side is different from the viscous drag of the rotary buffer 60b of the opposing party。
At the left and right central part of overhead guard 4, being provided with the buffer support portion 63 extended to upward with lid fulcrum 6 is coaxial position, the buffer being provided with substantially U-shaped in the inner side of this buffer support portion 63 supports accessory 71。It is chimeric with buffer shaft 62a, the 62b in substantially elliptical that this buffer supports accessory 71, from without mutual rotation。The details of the structure that this buffer support portion 63, buffer support accessory 71 and buffer shaft 62a, 62b is described below。
The center, left and right being configured to buffer shaft 62a, 62b of a pair rotary buffer 60a, 60b towards lid 5 is close relative to one another, is therefore that a pair buffer shaft 62a, 62b can support, with the buffer installed on the unique buffer support portion 63 being located at left and right central part, the structure that accessory 71 is chimeric。Therefore, lid 5 by two ends, left and right hinge member 56a, 56b and be arranged on central part buffer support portion 63 buffer support accessory 71 three places support, therefore, it is possible to realize the precision of the rotating shaft of lid fulcrum 6。Additionally when opening and closing lid 5, owing to buffer shaft 62a, 62b are chimeric with buffer support accessory 71, therefore compare the situation that buffer support portion 63 is chimeric with buffer shaft 62a, 62b, it is possible to increase rigidity。Namely being difficult to produce repeatedly the abrasion of buffer support portion 63, deformation during opening and closing lid 5, and be difficult to produce the flexure of lid 5, deformation, the on-off action therefore with lid 5 stablizes this effect。Further, buffer support portion 63 and overhead guard 4 are integrally formed, and are cannot see buffer to support the structure of accessory 71, and therefore when opening lid, buffer supports accessory 71 unobtrusively, it is possible to increase aesthetic appearance。
Then, according to Fig. 9 to Figure 10 (a), Figure 10 (b), and suitably with reference to Fig. 2, Fig. 5, Fig. 8, illustrate to be installed to lid 5 order of overhead guard 4。Fig. 9 indicates that the exploded perspective view of the order when overhead guard 4 installs lid 5。Figure 10 (a), Figure 10 (b) indicate that the E-E sectional view of the structure near rotary buffer 60a, 60b when overhead guard 4 installs lid 5。Figure 10 (a) represents the state installing lid in the past, and Figure 10 (b) represents the state after installing。
About lid 5 being installed to overhead guard 4 assembled state in the past, as shown in Fig. 5 or Fig. 9, the handle portion 7 of Handheld Division when becoming opening operation and the lid following table face shield 49 being arranged on cover glass 48 are set to integrally along front, a pair fulcrum 54a, 54b and lid spring 55a, 55b and a pair rotary buffer 60a, 60b are installed to lid following table face shield 49 via reinforcing fitting 52 or protruding 53 along the back of lid 5, become rotating fulcrum during opening and closing and lid fulcrum 6 via hinge member 56a, the 56b at two ends, left and right and fulcrum 54a, 54b。Hinge member 56a, 56b of comparing two ends, left and right are the form that covered knuckle guard 51 covers in the inner part。The central part of cover hinge cover 51 is cut, and buffer shaft 62a, 62b of rotary buffer 60a, 60b is respectively facing inner side and exposes。
A pair hinge member 56a, 56b are following structures: compare cover hinge cover 51 and keep left right outside, bear the rotating torques produced by lid spring 55a, 55b and the supporting of the rotatable earth's axis around fulcrum 54a, 54b。Lid 5 is the structure being born the rotating torques opening lid 5 direction by lid spring 55a, 55b around fulcrum 54a, 54b, therefore as shown in Fig. 5 or Fig. 9, when lid 5 is installed to before overhead guard 4, lid 5 abuts with not shown retainer relative to hinge member 56a, 56b, is positioned at fully open position。
Therefore, as shown in Fig. 9 or Figure 10 (a), if making lid 5 be in fully open position, then become the optimum position relation that hinge member 56a, 56b are installed to overhead guard 4。Recess 57a, 57b of bearing hinge member 56a, 56b are set at overhead guard 4, after protuberance 64a, 64b of the front end of hinge member 56a, 56b insert groove 68a, 68b of front end of recess 57a, 57b of being located at overhead guard 4, hinge member 56a, 56b utilize screw 66 be fixed on the projection 65 of lower surface of recess 57a, 57b of being located at overhead guard 4。
The surrounding of recess 57a, 57b of overhead guard 4 is owing to being surrounded by the downward wall of the vertical wall being connected with the upper surface of overhead guard 4 and the sidewall constituting washings input port 3, therefore flat board rigidity is compared higher, therefore the reinforcement feature etc. that need not such as be formed by iron plate at overhead guard 4, not only hinge member 56a, 56b are utilized the projection 65 that tapping screw is fixed on that forms overhead guard 4, and the intensity of abundance can be obtained with succinct structure。
Describing the buffer support portion 63 being located at overhead guard 4 in detail, as previously described above, buffer support portion 63 is chimeric within it has buffer to support accessory 71。Further, this buffer supports accessory 71 and is provided with the groove of the substantially U-shaped that upper surface opens wide in the way of contacting with buffer shaft 62a, 62b of ovalize shape。If buffer shaft 62a, 62b of rotary buffer 60a, 60b decline from surface when installing lid 5, then as shown in Figure 10 (b), buffer shaft 62a, 62b be configured to be inserted into the buffer that is arranged in buffer support portion 63 support accessory 71 and be fitted together to towards。Herein, if lid 5 opening and closing, then rotary buffer main body 61a, 61b and lid 5 rotate together with, and on the other hand, buffer shaft 62a, 62b do not rotate, and therefore give viscous drag to lid 5, it is possible to making on-off action is low speed。
Hinge member 56a, 56b are arranged on the recess of overhead guard 4 and after profit is screwed, cover and knuckle guard 70a, 70b of the recess covering overhead guard 4 are installed。Knuckle guard 70a, 70b can be fixed by the so-called buckle for example with the fixed claw of the elastic deformation of resin material。If making the upper surface of the upper surface after installation knuckle guard 70a, 70b and overhead guard 4 at the same face, then owing to not producing difference of height, thus it is difficult to produce dirt, and is prevented from detergent, water loading to hinge member 56a, 56b。It addition, the screw 66 installing hinge member 56a, 56b can be hidden。
Fig. 2, Fig. 8 and Figure 10 (b) are provided with the state of knuckle guard 70a, 70b after representing that the recess that hinge member 56a, 56b are installed to overhead guard 4 profit are screwed。
As shown in Figure 2, the boundary face of fixed part and rotating part in the on-off action of body 5 is become after lid 5 is installed to overhead guard 4, the buffer being only and buffer shaft 62a, 62b of rotary buffer 60a, 60b are installed in buffer support portion 63 supports the central part that accessory 71 is chimeric, and between the left and right outer lateral side of cover hinge cover 51 and the inner side surface of knuckle guard 70a, 70b。Become fixed part few with the quantity of the sliding surface on the border of rotating part, it is thus susceptible to guarantee the precision of gap size, will not occur against each other thus producing the situation of friction load, even if therefore reducing gap size, the on-off action of lid 5 is also smooth and easy, detergent, water will not invade lid 5 inside and be attached to fulcrum 54a, 54b, lid spring 55a, 55b from gap, and the on-off action with lid 5 stablizes this effect。
Herein, the left and right directions width of the lid 5 left and right directions width more than recess 57a, 57b of being located at overhead guard 4 is made。Then, when closing lid 5, knuckle guard 70a, 70b left and right side of lid 5 compared with the border of overhead guard 4 covering recess 57a, 57b is positioned at inner side, therefore has the effect that detergent etc. is difficult to invade from the border of knuckle guard 70a, 70b and overhead guard 4。
Herein, second extension 59a, 59b is configured to be located at the inner circumferential side of cover hinge cover 51 in the full angle scope of the on-off action of lid 5, even if therefore rotating cover 5, the first extension 58a of lid spring 55a, 55b, 58b and the second extension 59a, 59b are all without being projected into cover hinge cover 51 or the periphery of knuckle guard 70a, 70b。Therefore, lid 5 need not be used for prevent the groove etc. of the interference with lid spring 55a, 55b end, therefore have and can pass through to prevent detergent, water from entering from drill traverse thus the effect that prevents spring from getting rusty。
Then, use Figure 11 that the deadweight of lid 5 and the relation by twisting moment of lid spring 55a, 55b are described。Figure 11 indicates that the side view of the open angle of lid 5 and the center of gravity of lid 5 with the relation of the opening and closing power of lid 5 front end。
In fig. 11, if quality is m, anterior-posterior length be the lid 5 of L is g at the acceleration of gravity of center of gravity G, then power mg is produced。When lid 5 is closed, the angle of lid 5 is θ 1, and front end is lower than level, and therefore θ 1 is negative value, for instance for-10 °。
Herein, if the distance from fulcrum 54a, 54b of the center of rotation as opening and closing to center of gravity G is set to R1, lid spring 55a, 55b the torque of the opening direction produced is set to T1, the power closing direction produced in the front end of lid 5 is set to F1, then the equilibrium according to moment, following formula is set up。
F1× L=mg × R1-T1(formula 1)
That is, the front end power F1 needed for opening lid 5 is obtained by following formula。
F1=(mg × R1-T1)/L (formula 2)
Or, the torque T that lid spring 55a, 55b produce at that time1It is expressed as following formula。
T1=mg × R1-F1× L (formula 3)
Herein, as F1Suitable value, even if also can lid 5 be stably positioned on overhead guard 4 relative to the vibration of dehydration procedure, it is necessary to the power of such as about 5N to 7N。Quality according to lid 5 and position of centre of gravity, it is possible to obtain when the open angle of lid 5 is θ1Time F1Become the torque T of lid spring 55a, 55b of predetermined value1
Angle at lid 5 becomes θ2, for instance when 60 °, it is set to the moment (mg × R produced by deadweight2) with the moment (T produced by torsion spring2) balanced state。That is, at the open angle of lid 5 less than θ2When, the moment that the closedown moment that the deadweight of lid 5 produces produces more than lid spring 55a, 55b, lid 5 is closed。
On the other hand, at the open angle of lid 5 more than θ2When, the closedown moment that the moment that lid spring 55a, 55b produce produces more than the deadweight of lid 5, lid 5 is opened。
That is, as long as shown in (formula 4), the open angle of lid 5 is set as θ2Time lid spring 55a, 55b produce moment T2?。
T2=mg × R2(formula 4)
Angle, θ is become at lid 5 standard-sized sheet3Time, lid 5 becomes compares the state vertically rearward toppling over such as about 10 °。In this situation, center of gravity G compares fulcrum 54a, 54b and is located behind, and lid 5 produces front end power F in opening direction3, maintain full-gear。
Now, moment (mg × R that deadweight produces3) and torsion spring produce moment (T3) all produce in opening direction, it is expressed from the next。
F3× L=mg × R3+T3(formula 5)
That is,
F3=(mg × R3+T3)/L (formula 6)
This moment (T3) moment that produced by lid spring 55a, 55b when being that to make lid 5 be full-gear, namely, as shown in Fig. 9 or Figure 10 (a), Figure 10 (b), when can only be that lid 5 keeps full-gear be installed to overhead guard 4, it be subject to twisting moment by what lid spring 55a, 55b produced。
Herein, with the open angle at lid 5 for θ2Time lid 5 the deadweight mode balanced with the torque that lid spring 55a, 55b produce select spring constant, but work as θ2For about such as 60 °, when opening lid 5 with the angle more than it, expect that the torque of this situation lower spring is more than deadweight, automatically opens up。By making, spring constant is less can be obtained such characteristic, as a result of which it is, lid 5 standard-sized sheet angle becomes θ3Time, the torque T that lid spring 55a, 55b produce3Also play a role in the direction opening lid 5。
If spring constant is more than the characteristic expected, for instance the open angle being set as lid 5 is θ2Time lid 5 the torque T that produces of deadweight and lid spring 55a, 55b2Equilibrium, and standard-sized sheet angle becomes θ3Time the torque that produces of lid spring 55a, 55b be 0, then by lid 5 from open angle θ2When somewhat opening, the torque that lid spring 55a, 55b produce reduces rapidly, and the moment that therefore can not produce more than the deadweight of lid 5, lid 5 can not utilize spring force to move in opening direction, but again returns to angle, θ2
That is, the open angle of lid 5 is θ1Time, produce the torque T obtained by (formula 3)1, the open angle of lid 5 is θ2Time, produce the torque T obtained by (formula 4)2, there is lid spring 55a, 55b of this characteristic, even if not using so-called elbow formula spring, also can with the predetermined angle theta in the opening and closing rotational action of lid2, switch to opening direction or the active force closing direction, therefore have the effect that can obtain possessing that number of components is few, the washing machine of simple structure and wieldy lid 5。
Figure 12 is the block diagram controlling device 80 of scrubbing-and-drying unit。81 is microcomputer, is connected with being connected to not shown respectively the operation button input circuit 82 of switch, level sensor 27, temperature sensor 40, accepts the various information signals in the push-botton operation of user, washing procedure, drying process。Output from microcomputer 81 is connected with drive circuit 83, is connected with water supply electromagnetic valve 17, drain valve 45, driving motor 24, Air Blast fan 37, heater 38, Electromagnetically-operating clutch 25, lock cell 9 etc., controls their opening and closing, rotation, energising。It addition, with the such as 7 sections of light emitting diodes being used for notifying the operating state of user washing machine as display 84, buzzer 85, light emitting diode 87 be connected。Above-mentioned microcomputer 81 starts after being pressed on and off switch 86 and switching on power, and performs washing as shown in Figure 13 and dry basic control processes program。
Step S101: carry out state confirmation and the initial setting of electric washer。
Step S102: the display 84 of lighting operation panel 20, inputs according to the instruction from not shown pushbutton switch and sets washing/drying process。When not indicating input, automatically set the washing/drying process of standard or the washing/drying process of previous enforcement。Such as, when pushbutton switch being carried out instruction input, dry high-level process is set。
Step S103: monitor the not shown instruction input starting switch from guidance panel 20, carry out branch process。
Step S104: detection detergent amount。Before supply washings, control Electromagnetically-operating clutch 25 and drive motor 24, in order to only making when making bucket 18 stop rotating vane 22 rotate in a direction, detecting cloth amount based on rotary load amount produced by rotating vane 22。The detergent amount of needs is obtained based on the cloth amount detected。
Step S105: the display 84 at guidance panel 20 shows calculated detergent amount。
Step S106: after the desired amount of detergent is put into detergent box 13 by user, opens detergent water supply electromagnetic valve 17, puts into room to the detergent of detergent box 13 and supplies water。Put into the powder detergent in detergent input room and drop to the bottom of outer barrel 15 with the water that detergent supplies water together from detergent/softener input port 14。
Step S107: supply water to detergent dissolution water level, stops detergent and supplies water。Output now is such as about 10L。
Step S108: by make bucket 18 and rotating vane 22 integratedly to a direction with low speed rotation, putting into the detergent of the bottom of outer barrel 15 and detergent dissolution water in the stirring of the bottom surface of bucket 18 thus generating high concentration washings, carrying out detergent dissolution。
Step S109: perform to pre-wash。In this pre-washes, when making bucket 18 stop, interval carries out making the stirring of rotating vane 22 positive and negative rotation, betwixt by operation cycle pump 42, makes the washings of the bottom of outer barrel 15 spray from nozzle 47 to washings。During the stopping of rotating vane 22 and circulating pump 42, with reference to the detection signal of level sensor 27, open detergent water supply electromagnetic valve 17 and washing water supply electromagnetic valve 17, make-up water in the way of water level is less than designated water level。It is repeatedly performed this operating for several times, makes washings dissolve in washings, be distributed on rotating vane 22。
Step S110: perform formal washing。In this formally washing, when making bucket 18 stop while making rotating vane 22 positive and negative rotation operation cycle pump 42, it is repeatedly performed following two stirring, a kind of stirring is by washings circulation, the washings put aside bottom outer barrel 15 are sprayed washings from nozzle 47, a kind of stirring is that cloth releases winding stirring, stops when making circulating pump 42 thus making rotating vane 22 positive and negative rotation when stopping washings circulation。By the positive and negative rotation of rotating vane 22, washings is exchanged in bucket on circumferencial direction and radial direction, from without being cleaned with omitting。
Afterwards, stop when making circulating pump 42 thus when stopping washings circulation, continuing to make rotating vane 22 positive and negative rotation, carrying out homogenization stirring。
Step S111: perform first time water-retention rinsing。In this water-retention rinsing, it is first turned on drain valve 45, after making the savings washings in the bottom of outer barrel 15 discharge, makes bucket 18 and rotating vane 22 rotate in a direction integratedly, washings contained by washings are centrifuged dehydration。Afterwards, close drain valve 45, make bucket 18 and rotating vane 22 integratedly while a direction low speed rotation, open washing water supply electromagnetic valve and tap water is supplied water from nozzle 47 in the way of spraying the washings to rotating vane。
Then, when making bucket 18 and when rotating stopping of rotating vane 22, in the way of the water level of the bottom of outer barrel 15 is less than the water level set, washings are supplied。
Then, the same with formal washing, when making bucket 18 stop while making rotating vane 22 positive and negative rotation, perform washings stirring rinsing, that is, operation cycle pump 42, makes the washings that the savings washings in the bottom of outer barrel 15 spray rotating vane 22 from nozzle 47 circulate like that。
Then, when the operating making rotating vane 22 and circulating pump 42 stops, at detection savings while the water level of the washings of the bottom of outer barrel 15, make-up water in the way of water level is less than designated water level。
Then, make rotating vane 22 positive and negative rotation when making bucket stop while, operation cycle pump 42, make the washings that savings washings bottom outer barrel 15 spray rotating vane 22 from nozzle 47 circulate like that。In the same manner as when washing, the washings in bucket 18 is exchanged at circumferencial direction and radial direction, and washings exhaustive ground contact washings, detergent ingredients is diluted。
Afterwards, circulating pump 42 is made to stop thus stopping, under the state that washings circulate, continuing the positive and negative rotation of rotating vane 22, carrying out homogenization stirring。
Step S112: perform second time water-retention rinsing。In this second time water-retention rinsing, opening softener water supply electromagnetic valve 17 and put into room water supply thus softener imports the bottom of outer barrel 15 to the softener in detergent box 13, the action except this control additional is same with first time water-retention rinsing to be carried out。
Step S113: perform final dewatering and process。Final dewatering is to make bucket 18 and rotating vane 22 integratedly at a direction high speed rotating when keeping drain valve 45 open, and the washings in bucket 18 is centrifuged dehydration。
Step S114: be confirmed whether to have selected the dry process of washing, carry out branch process。
Step S115: when have selected washing and drying process, implement drying process。In drying process, keep drain valve 45 open, make rotating vane 22 positive and negative rotation when making bucket 18 stop in the same manner as washing procedure, by the operating of Air Blast fan 37, the highly humid air in outer barrel 15 is sucked in dry channel 36 from water-through and ventilating mouth 35 simultaneously, when passing through in dry channel 36, carried out water-cooled dehumidifying by the cooling water flow down from the water-cooled desiccant body 19 being arranged in dry channel 36。Afterwards, by thus line bits are removed, utilizing heater 38 to heat afterwards, be blown in bucket 18 from warm braw blow-off outlet 32 in lint filter 39。Dry is carry out while utilizing temperature sensor 40 to monitor warm braw temperature, and the ratio in variations in temperature becomes the moment of predetermined value and terminates。
In the present embodiment, the scrubbing-and-drying unit to possess functions/drying is illustrated, but can also be the electric washer without functions/drying。
According to present embodiment, even if not using elbow formula spring, also can switch to opening direction or to the active force closing direction with the predetermined angular in the opening and closing rotational action of lid, therefore have the effect that can obtain possessing that component count is few, the washing machine of simple structure and easy-to-use lid 5。
And, according to present embodiment, even if rotating cover 5, the first extension 58a of lid spring 55a, 55b, 58b and the second extension 59a, 59b all do not protrude past cover hinge cover 51 or the periphery of knuckle guard 70a, 70b, therefore have the effect that the groove etc. that need not be used for preventing the interference with lid spring 55a, 55b at lid 5, will not enter from drill traverse due to detergent, water and cause that spring gets rusty。
And, according to present embodiment, axially extending at lid spring 55a, 55b of second extension 59a, 59b of lid spring 55a, 55b, it is the medial surface of through hinge member 56a, 56b and these two sides of lateral surface the structure supported at two places, even if therefore put on lid spring 55a, 55b by twisting moment, second extension 59a, 59b also is able to stably be supported at two places。Therefore have the effect that the spring constant of lid spring 55a, 55b is not affected by heavy burden, remain stable for, and prevent second extension 59a, 59b at lid spring 55a, 55b from producing excessive stresses。
And, according to present embodiment, lid 5 can support this three place of accessory 71 at the buffer of hinge member 56a, the 56b at two ends, left and right and central part and support, therefore the precision of the rotating shaft easily realizing lid 5 is had the effect that, and be difficult to produce the bending of lid 5, deformation, so the on-off action of lid 5 is stable。
Further, according to present embodiment, owing to buffer support portion 63 and overhead guard 4 are integrally formed, therefore, it is possible to improve aesthetic appearance。
And, according to present embodiment, accessory 71 is supported chimeric with buffer shaft 62a, 62b by buffer, buffer can be made to support accessory 71 for inconspicuous configuration in appearance, compare and make buffer support portion 63 chimeric with buffer shaft 62a, 62b, the abrasion of buffer support portion 63, deformation can be suppressed, it is possible to increase reliability。
According to present embodiment, it is chimeric with the two of buffer shaft 62a, 62b positions that buffer supports accessory 71, therefore the buffer shaft of an one-piece type shape being provided with two place's fitting portions can be used, it is possible to use the buffer shaft of two same shapes being provided with place's fitting portion。
According to present embodiment, recess 57a, 57b of being located at the left and right sides of overhead guard 4 are not tabulars, and rigidity is high, and the reinforcement feature etc. that therefore need not such as be formed by iron plate at overhead guard 4 has and can obtain this effect of sufficient intensity with succinct structure。
And, according to present embodiment, one side of a pair rotary buffer 60a, 60b is the structure being subject to viscous drag torque when the opening action of lid 5, the opposing party is the structure being subject to viscous drag torque when the closing motion of lid 5, it is thus possible to make the on-off action low speed of lid 5, lid 5 will not scram, or open rapidly when close to standard-sized sheet, have and can carry out stable lid 5 this effect of on-off action。
And, according to present embodiment, make following structure, namely, hinge member 56a, the 56b becoming the pivot point of lid 5 is contained in recess 57a, the 57b of the left and right sides being located at overhead guard 4, and is covered upper surface by knuckle guard 70a, 70b, and therefore detergent, water will not contact hinge member 56a, 56b, hinge member 56a, 56b will not get rusty, and therefore have and can improve reliability this effect of high washing machine。

Claims (3)

1. an electric washer, possesses:
It is placed in the overhead guard on body of the washing machine top;
The spaced winding lid fulcrum earth's axis freely at fully open position Yu full close position is supported on the lid of the upper surface of above-mentioned overhead guard;
There is buffer main body and rotate freely the earth's axis and be supported on the buffer shaft of above-mentioned buffer main body, and to giving the revolving attenuation buffer of viscous drag between above-mentioned buffer main body and above-mentioned buffer shaft;And
Above-mentioned buffer shaft is supported in the buffer support portion of above-mentioned overhead guard,
Above-mentioned electric washer is characterised by,
The buffer contacted with above-mentioned buffer shaft is supported accessory and is installed on the inner side of above-mentioned buffer support portion, above-mentioned buffer support portion and above-mentioned overhead guard are formed as one。
2. electric washer according to claim 1, it is characterised in that
Fixing by making above-mentioned buffer main body rotate relative to above-mentioned lid, and it is fixing to make above-mentioned buffer shaft rotate relative to above-mentioned overhead guard, thus to giving viscous drag between above-mentioned overhead guard and above-mentioned lid。
3. electric washer according to claim 1 and 2, it is characterised in that
Possess above-mentioned lid to the afterburning lid spring of opening direction,
At the full close position of above-mentioned lid, above-mentioned lid spring the power closing direction that the force rate of the opening direction produced is produced by the deadweight of above-mentioned lid is little,
At the predetermined angular of the on-off action midway of above-mentioned lid, above-mentioned lid spring the power of the opening direction produced is balanced with the power closing direction produced by the deadweight of above-mentioned lid,
Above-mentioned lid is the structure of action as follows:
When the open angle of above-mentioned lid is less than above-mentioned predetermined angular, above-mentioned lid rotates to closing direction, and turns to full close position,
When the open angle of above-mentioned lid is bigger than above-mentioned predetermined angular, above-mentioned lid rotates to opening direction, and turns to fully open position。
CN201620077516.0U 2015-03-05 2016-01-26 Electric washing machine Active CN205329385U (en)

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CN111691156B (en) * 2019-03-13 2024-04-23 夏普株式会社 Washing machine

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Address after: Tokyo, Japan, Japan

Patentee after: Hitachi Global Living Program Co., Ltd.

Address before: Tokyo, Japan, Japan

Patentee before: Hitachi Household Electric Appliance Co.