CN102720042A - Mechanism for automatically opening upper cover of washing machine - Google Patents

Mechanism for automatically opening upper cover of washing machine Download PDF

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Publication number
CN102720042A
CN102720042A CN2012102276290A CN201210227629A CN102720042A CN 102720042 A CN102720042 A CN 102720042A CN 2012102276290 A CN2012102276290 A CN 2012102276290A CN 201210227629 A CN201210227629 A CN 201210227629A CN 102720042 A CN102720042 A CN 102720042A
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CN
China
Prior art keywords
washing machine
automatic opening
opening mechanism
top case
machine top
Prior art date
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Pending
Application number
CN2012102276290A
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Chinese (zh)
Inventor
支如亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN FUTAIKE COMPUTER CO Ltd
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KUNSHAN FUTAIKE COMPUTER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KUNSHAN FUTAIKE COMPUTER CO Ltd filed Critical KUNSHAN FUTAIKE COMPUTER CO Ltd
Priority to CN2012102276290A priority Critical patent/CN102720042A/en
Publication of CN102720042A publication Critical patent/CN102720042A/en
Pending legal-status Critical Current

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Abstract

The invention provides a mechanism for automatically opening an upper cover of a washing machine. The mechanism is characterized by at least comprising a group of rotation shafts, a group of spring shafts, a locking contact body, a stretching motor and a check block. By using the stretching motor and a spring-type return mechanism, the mechanism for automatically opening the upper cover of the washing machine can automatically open the upper cover of the washing machine without manual operation of a user after clothes are washed. The scheme can reduce operation of the user, and the upper cover is opened automatically after the clothes are washed, so that the user can know that the clothes have been washed completely in the fastest way. The mechanism automatically opening the upper cover of the washing machine provided by the invention is applicable to most of impeller type washing machines, the scheme is practical, the implementation costs are low, and great application prospects are provided.

Description

The automatic opening mechanism of washing machine top case
Technical field
The present invention relates to the automatic opening mechanism of a kind of washing machine top case, particularly a kind of automatic opening mechanism of motor-driven washing machine top case that has.
Background technology
Since washing machine was born, the washing machine function was just evolved day by day, and as the electronic product of a maturation, washing machine has become one of articles for use of the common indispensability of family.And as pulsator washing machine the most practical, that technology is the most ripe, over nearly 30 years, it is that external form changes along with the aesthetic of epoch to some extent, and electric control function then changes little basically.And the Along with people's growth in the living standard, people use washing machine not only to be satisfied with and just clean clothing, and people have also proposed increasingly high requirement for comfortableness, the convenience that washing machine uses.
But the opening and closing of the loam cake of present most pulsator washing machines still need user manual operations, in the time of also promptly need doing washing, need open loam cake and put into clothing and washing powder or liquid detergent, close loam cake startup program for washing then.After laundry finishes, need the user to open loam cake in person, take out clothing.
This just needs us to use from people on the comfortableness, convenience of washing machine further, and humanized invention scheme is provided.
Summary of the invention
The opening and closing that the present invention is directed to the loam cake of present most pulsator washing machines still need the manual present situation of user, and the solution of new thought is provided, also promptly: the invention provides the automatic opening mechanism of a kind of washing machine top case.The automatic opening mechanism of said washing machine top case can be after laundry washer be accomplished, and drive motors is opened washing machine top case automatically, has removed manually-operated step from.
The present invention relates to the automatic opening mechanism of a kind of washing machine top case, it is characterized in that: include one group of rotating shaft, a spring stack, a locking contact, a stretching motor, a non-return block at least.
Said rotating shaft is positioned at the both sides of said automatic opening mechanism, is installed on washing machine fixedly in the ccontaining cavity on the disk body, and said automatic opening mechanism is the axle center of rotation with the center line of said rotating shaft, carries out folding.Fixed cylinder in said spring stack upside and the said automatic opening mechanism is connected, the other end then with washing machine fixedly disk body containing cavity body inner spring post holder closely be connected.Said spring stack normal operating conditions is the compression shape.
Said locking contact is used for the ccontaining dead bolt that is positioned at washing machine top case; The following contact-making surface of said locking contact is certain negative angle, and said dead bolt is the triangle cone, when washing machine top case covers following time; Said dead bolt stretches in the said locking contact; Because the following contact-making surface of said locking contact is certain negative angle, and the pressure that produced of said spring stack compression, said dead bolt just can be locked in the said locking contact.
Said stretching motor is arranged at washing machine fixedly in the disk body, and an end adopts cable wire to be connected with said automatic opening mechanism.When laundry finishes; Washing machine computer plate instructs to said stretching motor; Said stretching electric motor starting, through the pulling cable wire, making said automatic opening mechanism is that the center clockwise rotates certain angle with said rotating shaft; Said locking contact is upwards opened, and emits the dead bolt that is positioned on the washing machine top case.Said washing machine top case is upwards opened being arranged at said washing machine top case and washing machine fixedly under the tension force effect of the tension spring at the connecting axle place of disk body, opens washing machine top case to the respective settings position.
Said non-return block is arranged at the two ends of said automatic opening mechanism, and fixedly the two ends positive stop of the holding part on the disk body is corresponding with washing machine, and it is to prevent that said automatic opening mechanism from counterclockwise rotating that said non-return block mainly acts on.When washing machine top case covers; Said dead bolt is oppressed the outer contacting face of said automatic opening mechanism and since said non-return block be positioned at washing machine fixedly the two ends block of the holding part on the disk body block, make the outer contacting face of said automatic opening mechanism be compelled the contact-making surface on three angular length limits of the said dead bolt in edge and move upward; Make promptly that also said automatic opening mechanism is the center with the rotating shaft; Carry out clockwise direction and rotate, the following contact-making surface of said locking contact is upwards opened, with ccontaining said dead bolt.After said dead bolt entered into said locking contact, pressure discharged, and said automatic opening mechanism is got back to initial position under the effect of spring tension.
The automatic opening mechanism of washing machine top case of the present invention is applicable to most pulsator washing machines; The automatic opening mechanism of said washing machine top case is through a stretching motor and one group of bullet formula return mechanism; Need not user's manual operation after being implemented in laundry and finishing, washing machine top case can be opened automatically, and this invention scheme both can reduce user's operation; Simultaneously owing to be that laundry is accomplished the back loam cake and opened automatically, also make things convenient for the user to recognize that with mode the most efficiently clothes washes.Scheme is practical and implementation cost is cheap, and bigger application prospect is arranged.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the automatic opening mechanism of washing machine top case of certain embodiment.
Fig. 2 a is a certain duty Fig. 1 of the automatic opening mechanism of the washing machine top case of certain embodiment.
Fig. 2 b is a certain duty Fig. 2 of the automatic opening mechanism of the washing machine top case of certain embodiment.
Fig. 2 c is the fixing stereogram of the containing cavity on the disk body of washing machine of the automatic opening mechanism of ccontaining washing machine top case of certain embodiment.
Fig. 3 a is the profile 1 of the automatic opening mechanism of the washing machine top case of certain embodiment along the A-A direction
Fig. 3 b is the profile 2 of the automatic opening mechanism of the washing machine top case of certain embodiment along the A-A direction
Fig. 3 c is the profile 3 of the automatic opening mechanism of the washing machine top case of certain embodiment along the A-A direction
The specific embodiment
Clearer for what the object of the invention, technical scheme and advantage were expressed, below in conjunction with accompanying drawing, the technical scheme of the one or more embodiment of the present invention is known intactly description.Obviously, described embodiment only is part embodiment of the present invention, rather than all.The present invention can also show as different forms, therefore is not limited in this illustrated example.Based on embodiments of the invention, all other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belong to the scope that the present invention protects.
Clearer for what the object of the invention, technical scheme and advantage were expressed, below in conjunction with accompanying drawing, the technical scheme of the one or more embodiment of the present invention is known intactly description.Obviously, described embodiment only is part embodiment of the present invention, rather than all.The present invention can also show as different forms, therefore is not limited in this illustrated example.Based on embodiments of the invention, all other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belong to the scope that the present invention protects.
Just combine accompanying drawing that concrete embodiment is described below.
Fig. 1 shows said washing machine top case 12 automatic opening mechanism 101 three-dimensional exploded views, and in the cited a certain preferred embodiment of the present invention, the automatic opening mechanism 101 of said loam cake is positioned at the fixedly position, middle of disk body 11 of said washing machine, is convex.Corresponding to this position, washing machine top case 12 is provided with a matching used fixedly dead bolt 122, and said dead bolt 122 positions are arranged at the dead ahead of washing machine top case 12 near user's side.
Said washing machine top case 12 and said washing machine fixedly disk body 11 pass through at least one connecting axle 121a, and 121b connects, and are fixed in said washing machine fixedly on the disk body 11.Said washing machine top case 12 can rotate through said connecting axle 121a, 121b.As shown in Figure 1, in a certain preferred embodiment, said washing machine top case 12 and said washing machine fixedly disk body 11 are connected through two connecting axle 121a, 121b.Be installed on the fixedly loam cake of disk body 11 fixedly in containing cavity 103a, the 103b of said washing machine.
Said washing machine top case 12 and said washing machine fixedly disk body 11 junctions also are provided with at least one and are used to provide said washing machine top case 12 upwards to open tension spring 123a, the 123b of required tension force.As shown in Figure 1; In a certain preferred embodiment; Said washing machine top case 12 and said washing machine fixedly disk body 11 joins are provided with two tension spring 123a, 123b with the corresponding quantity of turning cylinder quantity, and said tension spring 123a, 123b are installed on said connecting axle 121a, 121b is last.
Fig. 2 a and Fig. 2 b show washing machine top case 12 automatic opening mechanism 101 working state figures according to certain preferred embodiment.Fig. 2 a is the state before said washing machine top case 12 is about to cover, and can be known by figure, is arranged at the preceding contact-making surface that fixedly dead bolt 122 on the said washing machine top case 12 protrudes in said washing machine top case 12 automatic opening mechanisms 101 slightly.Fig. 2 b then shows the state after said washing machine top case 12 covers; Can know by figure; After covering, the fixedly dead bolt 122 that is arranged on the said washing machine top case 12 has stretched in dead bolt 122 containing cavities of the automatic opening mechanism 101 of said loam cake, and dead bolt 122 is by locking.Said washing machine top case 12 has been built fully.
Fig. 2 c then shows and is positioned at the fixedly stereogram of the ccontaining cavity 201 that is used for ccontaining said washing machine top case 12 automatic opening mechanisms 101 on the disk body 11 of said washing machine.Preferably; There is a pair of storage tank 203a, the 203b that is used for ccontaining said automatic opening mechanism 101 rotating shafts 322 both sides in said ccontaining cavity 201; Said storage tank 203a, 203b and said automatic opening mechanism 101 rotating shafts 322 dimensions are complementary; Said automatic opening mechanism 101 rotating shafts 322 are installed in said storage tank 203a, the 203b, can rotate flexibly after the installation.Preferably, said storage tank 203a, 203b are generally circular hole, and the degree of depth in hole decide according to the length of said rotating shaft 322, are convenient to installation, can in said storage tank 203a, 203b, rotate flexibly and difficult drop-off is the best with said rotating shaft 322.Further, said storage tank 203a, 203b need reinforce circular hole wall when producing usually accordingly, are difficult for being damaged when using for a long time to guarantee product.
Please continue to consult Fig. 2 c, the position being positioned at said ccontaining cavity 201 central authorities is provided with a spring stack 304 holders 303, and said spring stack 304 holders 303 are used to connect and the spring stack 304 of fixing said automatic opening mechanism 101.Said spring stack 304 upsides one end is connected with fixed cylinders 305 in the said automatic opening mechanism 101, the other end then with washing machine fixedly disk body 11 interior ccontaining cavity 201 inner spring posts 304 holders 303 closely be connected.In a certain preferred embodiment, said spring stack 304 holders 303 profiles are the square bodily form.There is a containing cavity 205 said square bodily form spring stack 304 holders 303 inside, are used for installing and fixing said spring stack 304.
The side near the user at said spring stack 304 holders 303 is provided with position, a hole 204, asks Fig. 3 a simultaneously, and position, said hole 204 is used to provide the passage that connects said stretching motor 302 and said automatic opening mechanism 101 cable wires 307 fixed bits.
See also Fig. 3 a-3c below, Fig. 3 a-3c is the profiles of the washing machine top case 12 automatic opening mechanisms 101 of certain embodiment along the A-A direction.Fig. 3 a be washing machine top case 12 lid down, be arranged at the profile that fixedly dead bolt 122 on the washing machine top case 12 has touched the contact-making surface of said automatic opening mechanism 101.Can consult Fig. 2 a when consulting this figure, this figure is corresponding to the state of the washing machine top case 12 of Fig. 2 a, and this profile cuts open along the A-A direction of Fig. 2 a and gets.By Fig. 3 a can the said washing machine top case 12 automatic opening mechanisms 101 of clear understanding mentality of designing and working method.
Under normal conditions; The rotating shaft 322 of said automatic opening mechanism 101 is fixed in said washing machine fixedly in the storage tank 203a, 203b of the ccontaining cavity 201 of disk body 11 with said automatic opening mechanism 101; Said rotating shaft 322 is positioned at the both sides of said automatic opening mechanism 101; Preferably, for guaranteeing the rotary balance property of said automatic opening mechanism 101, said rotating shaft 322 is the symmetric form design usually.
Said rotating shaft 322 is installed on washing machine fixedly in the ccontaining cavity 201 on the disk body 11, and said automatic opening mechanism 101 is the axle center of rotation with the center line of said rotating shaft 322, rotates, folding.Said spring stack 304 upsides are connected with fixed cylinders 305 in the said automatic opening mechanism 101, the other end then with washing machine fixedly disk body 11 interior ccontaining cavity 201 inner spring posts 304 holders 303 closely be connected.Said spring stack 304 normal operating conditions match with the rotating shaft 322 of said automatic opening mechanism 101 for the compression shape, the steadily fixing of said automatic opening mechanism 101 is provided and lets said automatic opening mechanism 101 return the power of initial bit automatically from working position.
Fig. 3 a shows, when washing machine top case 12 covers, and the state diagram of the outer contacting face of the said automatic opening mechanism 101 of said dead bolt 122 compressings.
Since said non-return block 309 be positioned at washing machine fixedly 201 interior two ends positive stop 202a, the 202b of the ccontaining cavity on the disk body 11 block; Make the contact-making surface on the compelled three angular length limits along said dead bolt 122 of the outer contacting face of said automatic opening mechanism 101 move upward; Make promptly that also said automatic opening mechanism 101 is the center with rotating shaft 322; Carry out clockwise direction and rotate, the following contact-making surface of said locking contact 308 is upwards opened, with ccontaining said dead bolt 122.
Fig. 3 b then shows, the state after washing machine top case 12 has covered.
Said locking contact 308 is used for the ccontaining dead bolt 122 that is positioned at washing machine top case 12; The following contact-making surface of said locking contact 308 and horizontal direction are certain negative angle (described negative angle is defined as: be lower than the abswolute level height of last contact-making surface with the abswolute level height of the contact-making surface at first of said dead bolt 122); In a certain preferred embodiment; Said dead bolt 122 is the triangle cone; When washing machine top case 12 lid following time, said dead bolt 122 stretches in the said locking contact 308, because the following contact-making surface of said locking contact 308 is certain negative angle; And add the pressure that the above spring stack 304 compression is produced, said dead bolt 122 just can be locked in the said locking contact 308.So, washing machine top case 12 is just covered reliably.
Fig. 3 c then shows, the process signal that washing machine top case 12 is opened automatically.
The present invention has used a critical component that stretching motor 302 is opened as washing machine top case 12 automatically.
Said stretching motor 302 is arranged at washing machine fixedly in the disk body 11, an end and the fixed structure 306 of said automatic opening mechanism 101 see through washing machine fixedly position, the hole 204 employing cable wires 307 on the disk body 11 be connected.When laundry finishes; Washing machine computer plate (not shown) instructs 301 to give said stretching motor 302; Said stretching motor 302 starts, and through pulling cable wire 307, making said automatic opening mechanism 101 is that the center clockwise rotates certain angle with said rotating shaft 322; Said locking contact 308 is upwards opened, and emits the dead bolt 122 that is positioned on the washing machine top case 12.Said washing machine top case 12, is upwards opened under the tension spring 123a at 121b place, the tension force effect of 123b being arranged at the fixedly connecting axle 121a of disk body 11 of said washing machine top case 12 and washing machine, opens washing machine top case 12 to the respective settings position.After washing machine top case 12 is opened; Said stretching motor 302 is return under washing machine computer plate (not shown) instruction; Loosen cable wire 307; Said automatic opening mechanism 101 is that the center rotates counterclockwise with said rotating shaft 322 under the tension force effect of said spring stack 304, runs into washing machine fixedly two ends positive stop 202a, the 202b of the ccontaining cavity 201 on the disk body 11 up to being positioned at non-return block 309 on the said automatic opening mechanism 101.Rotate counterclockwise stroke and finish, said automatic opening mechanism 101 is got back to initial position.
Said non-return block 309 is arranged at the two ends of said automatic opening mechanism 101; Fixedly two ends positive stop 202a, the 202b of the ccontaining cavity 201 on the disk body 11 is corresponding with washing machine; Said non-return block 309 all is 90 jiaos of settings with level with positive stop 202a, 202b; To guarantee that said automatic opening mechanism 101 under the acting in conjunction of said rotating shaft 322, spring stack 304 and said non-return block 309 and positive stop 202a, 202b, is in the stress of a level.
The 309 main effects of said non-return block be prevent said when opening machine work automatically structure counterclockwise rotate.When washing machine top case 12 covers; The outer contacting face of the said automatic opening mechanism 101 of said dead bolt 122 compressings; Since said non-return block 309 be positioned at washing machine fixedly the two ends block of the holding part on the disk body 11 block; Make the contact-making surface on the compelled three angular length limits along said dead bolt 122 of the outer contacting face of said automatic opening mechanism 101 move upward, make promptly that also said automatic opening mechanism 101 is the center with rotating shaft 322, carry out clockwise direction and rotate; The following contact-making surface of said locking contact 308 is upwards opened, with ccontaining said dead bolt 122.After said dead bolt 122 entered into said locking contact 308, pressure discharged, and said automatic opening mechanism 101 is got back to initial position under the tension force effect of said spring stack 304.
Washing machine top case 12 automatic opening mechanisms 101 of the present invention are applicable to most pulsator washing machines; Said washing machine top case 12 automatic opening mechanisms 101 are through a stretching motor 302 and one group of bullet formula return mechanism; Need not user's manual operation after being implemented in laundry and finishing; Washing machine top case 12 can be opened automatically; This invention scheme both can reduce user's operation, simultaneously owing to be that laundry is accomplished the back loam cake and opened automatically, also made things convenient for the user to recognize that with mode the most efficiently clothes washes.Scheme is practical and implementation cost is cheap, and bigger application prospect is arranged.
Though combined the accompanying drawing specific embodiments of the invention to be illustrated, should be appreciated that these explanations only are exemplary.According to connotation of the present invention, it may occur to persons skilled in the art that the change and the replacement form of various equivalences.Scope of the present invention is claim but not the above-mentioned explanation of the specific embodiment is limited.

Claims (5)

1. the automatic opening mechanism of washing machine top case is characterized in that: include one group of rotating shaft, a spring stack, a locking contact, a stretching motor, a non-return block;
Said rotating shaft is positioned at the both sides of said automatic opening mechanism, is installed on washing machine fixedly in the ccontaining cavity on the disk body, and said automatic opening mechanism is the axle center of rotation with the center line of said rotating shaft, carries out folding;
Fixed cylinder in said spring stack upside and the said automatic opening mechanism is connected, and another distolateral and washing machine fixedly interior spring stack holder of disk body containing cavity body closely are connected;
Said locking contact is used for the ccontaining dead bolt that is positioned at washing machine top case, and the following contact-making surface of said locking contact is certain negative angle;
Said stretching motor is arranged at washing machine fixedly in the disk body, and an end adopts cable wire to be connected with said automatic opening mechanism;
Said non-return block is arranged at the two ends of said automatic opening mechanism, and fixedly the two ends positive stop of the holding part on the disk body is corresponding with washing machine, and it is counterclockwise to rotate when preventing said automatic opening mechanism work that said non-return block mainly acts on.
2. the automatic opening mechanism of washing machine top case as claimed in claim 1 is characterized in that: said spring stack normal operating conditions is the compression shape.
3. the automatic opening mechanism of washing machine top case as claimed in claim 2 is characterized in that: said dead bolt is that triangle is cone-shaped.
4. the automatic opening mechanism of washing machine top case as claimed in claim 3 is characterized in that: at the ccontaining cavity that is positioned on the said fixedly disk body, be provided with at least one spring stack holder.
5. the automatic opening mechanism of washing machine top case as claimed in claim 4 is characterized in that: said non-return block quantity is more than at least 1.
CN2012102276290A 2012-06-29 2012-06-29 Mechanism for automatically opening upper cover of washing machine Pending CN102720042A (en)

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CN2012102276290A CN102720042A (en) 2012-06-29 2012-06-29 Mechanism for automatically opening upper cover of washing machine

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Application Number Priority Date Filing Date Title
CN2012102276290A CN102720042A (en) 2012-06-29 2012-06-29 Mechanism for automatically opening upper cover of washing machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106521860A (en) * 2016-11-30 2017-03-22 无锡小天鹅股份有限公司 Wave-wheel type washing machine
CN109267302A (en) * 2017-07-17 2019-01-25 青岛海尔洗衣机有限公司 Washing machine and its automatic lid closing/opening apparatus and automatic lid closing/opening method
EP3434821A1 (en) * 2017-07-25 2019-01-30 Whirlpool Corporation Laundry treating appliance and method of control
CN111334994A (en) * 2019-06-24 2020-06-26 无锡小天鹅电器有限公司 Cover body assembly and household equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0686896A (en) * 1992-09-09 1994-03-29 Toshiba Corp Washing machine
CN1106482A (en) * 1993-09-21 1995-08-09 三星电子株式会社 Device for opening and closing a door of wasching machine
CN1140213A (en) * 1995-04-28 1997-01-15 三星电子株式会社 Apparatus for door-opening of washing machine
CN1150196A (en) * 1995-11-09 1997-05-21 三星电子株式会社 Washer having automatic lid closing/opening apparatus
JP2002349113A (en) * 2001-05-28 2002-12-04 Sharp Corp Lid opening/closing device
CN2771257Y (en) * 2004-04-30 2006-04-12 海尔集团公司 Washing machine lid switching device
CN2823492Y (en) * 2005-06-16 2006-10-04 吴江金太阳安防产品有限公司 Electronic safe deposit box
CN202000158U (en) * 2010-12-30 2011-10-05 无锡小天鹅股份有限公司 Automatic door cover bouncing device for washing machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0686896A (en) * 1992-09-09 1994-03-29 Toshiba Corp Washing machine
CN1106482A (en) * 1993-09-21 1995-08-09 三星电子株式会社 Device for opening and closing a door of wasching machine
CN1140213A (en) * 1995-04-28 1997-01-15 三星电子株式会社 Apparatus for door-opening of washing machine
CN1150196A (en) * 1995-11-09 1997-05-21 三星电子株式会社 Washer having automatic lid closing/opening apparatus
JP2002349113A (en) * 2001-05-28 2002-12-04 Sharp Corp Lid opening/closing device
CN2771257Y (en) * 2004-04-30 2006-04-12 海尔集团公司 Washing machine lid switching device
CN2823492Y (en) * 2005-06-16 2006-10-04 吴江金太阳安防产品有限公司 Electronic safe deposit box
CN202000158U (en) * 2010-12-30 2011-10-05 无锡小天鹅股份有限公司 Automatic door cover bouncing device for washing machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106521860A (en) * 2016-11-30 2017-03-22 无锡小天鹅股份有限公司 Wave-wheel type washing machine
CN109267302A (en) * 2017-07-17 2019-01-25 青岛海尔洗衣机有限公司 Washing machine and its automatic lid closing/opening apparatus and automatic lid closing/opening method
EP3434821A1 (en) * 2017-07-25 2019-01-30 Whirlpool Corporation Laundry treating appliance and method of control
CN111334994A (en) * 2019-06-24 2020-06-26 无锡小天鹅电器有限公司 Cover body assembly and household equipment
CN111334994B (en) * 2019-06-24 2022-12-09 无锡小天鹅电器有限公司 Cover body assembly and household equipment

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Application publication date: 20121010