CN104862928A - Opening and closing mechanism of upper cover of washing machine and washing machine - Google Patents
Opening and closing mechanism of upper cover of washing machine and washing machine Download PDFInfo
- Publication number
- CN104862928A CN104862928A CN201410062210.3A CN201410062210A CN104862928A CN 104862928 A CN104862928 A CN 104862928A CN 201410062210 A CN201410062210 A CN 201410062210A CN 104862928 A CN104862928 A CN 104862928A
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- CN
- China
- Prior art keywords
- washing machine
- drive unit
- upper cover
- open
- deceleration device
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses an opening and closing mechanism of an upper cover of a washing machine and the washing machine. The opening and closing mechanism comprises a control device, a driving device, a clutch device and a speed reducing device, wherein the upper cover is driven by an output end of the speed reducing device to be opened or closed, an input end of the speed reducing device is connected with the driving device, the clutch device and the driving device are connected with the control device, the clutch device cooperates with the speed reducing device and the driving device, a transmission path between the driving device and the upper cover is connected during energization under the control of the control device, and the transmission path between the driving device and the upper cover is disconnected after deenergization. The opening and closing mechanism is provided with the clutch device, when a motor is deenergized, the motor and the speed reducing device are separated by the clutch device, so that the condition that the motor is driven to rotate when the upper cover is opened manually is avoided, easy and convenient effects are realized, and abnormal rotation or damage to the motor cannot be caused; the opening and closing mechanism has the characteristics of small occupied space, compact structure, high upper cover opening and closing stability and the like.
Description
Technical field
The present invention relates to washing machine field, particularly relate to a kind of open-and-close mechanism and washing machine of washing machine top case.
Background technology
Most washing machines in the market, especially rotary drum washing machine, it is need user manual that its upper cover opens and closes.Normally first open with the upper cover of hand by washing machine in common laundry processes, then add clothing and cleaning solution, the upper cover that then closes starts washing machine procedure, washes rear unlatching upper cover and takes out clothing again.In addition, during dehydration, the eccentric severe upper cover opening and closing washing machine that also needs of clothing adjusts.
Chinese patent literature publication number CN1158923A discloses a kind of novel device being supplied to washing machine, it comprises: the door opening and closing tub of washing machine, determine the sensor of an opening-wide state, determine the sensor of door closure state, supply opens and closes the motor of door required drive, being operated by external bond of generator gate ON/OFF instruction and the device that triggers.
Washing machine disclosed in above-mentioned patent drives the action of laundry door by motor, realize the opening and closing of door of washing machine, but the scheme due to this application employing is the spinning movement of motor Direct driver door, therefore under the powering-off state of washing machine, during manual unlocking upper cover, motor will certainly be driven to rotate, so not only require great effort, open upper cover difficulty, and easily cause motor to damage.
Summary of the invention
In order to overcome the defect of prior art, technical problem to be solved by this invention is the open-and-close mechanism proposing a kind of washing machine top case, not only simple and compact for structure, open and close the stability of action high, and when effectively can avoid washing machine power-off, upper cover is difficult to the defect opened.
For reaching this object, the present invention by the following technical solutions:
A kind of open-and-close mechanism of washing machine top case, comprise control device, drive unit, deceleration device, described upper cover can open or close under the drive of the output of deceleration device, the input of described deceleration device is connected with described drive unit, also comprise arrangement of clutch, described arrangement of clutch is all connected with described control device with described drive unit, described arrangement of clutch matches with described deceleration device and described drive unit, engages under control of the control means or disconnects the drive path between described drive unit and described upper cover.
Further, described deceleration device is train of reduction gears or planetary gears.
Further, described deceleration device is train of reduction gears, and it at least comprises an input gear and an output gear.
Further, described deceleration device also comprises the idler gear be located between described input gear and output gear.
Further, described arrangement of clutch can disconnect the connection between the output shaft of described drive unit and described deceleration device, or disconnects the connection of described input gear and idler gear or output gear.
Further, described arrangement of clutch comprises electromagnetism seat and spring; Described input gear is slidably located on the output shaft of described drive unit; Described spring housing is located on the output shaft of described drive unit, matches with described input gear; Described electromagnetism seat can attract described input gear to slide along the output shaft of described drive unit under control of the control means; Described electromagnetism seat matches acting in conjunction in described input gear with described spring, to realize the engagement of described input gear and idler gear or output gear or to be separated.
Further, described arrangement of clutch comprises spline housing, electromagnetism seat and spring; The output shaft of described drive unit or the output shaft of described deceleration device are made up of the two parts disconnected, and described two parts are equipped with external splines, and are connected by spline housing; Described electromagnetism seat attracts described spline housing sliding motion under control of the control means; Described electromagnetism seat matches acting in conjunction in described spline housing with described spring, to engage or to disconnect the power transmission between described two parts.
A kind of washing machine, comprise upper cover, control panel seat, described control panel seat is provided with the open-and-close mechanism of above-mentioned washing machine top case.
Further, described drive unit and described deceleration device are arranged at middle part or the side of described control panel base rear end.
Further, described control panel seat is provided with the travel switch be connected with control device, described travel switch is for detecting the open and-shut mode of described upper cover.
Further, be positioned at inside control panel seat in the middle part of the rear end that described drive unit is arranged at described control panel seat, described drive unit is connected with described upper cover by the first hinge, is connected with described control panel seat by the second hinge.
Beneficial effect of the present invention is:
Open-and-close mechanism provided by the invention is provided with arrangement of clutch between motor and deceleration device, when motor power-off, motor is separated with deceleration device by arrangement of clutch, and when avoiding manual unlocking upper cover, drive motor rotates, easy and convenient, and the abnormal rotation of motor or breaking-up can not be caused.In addition, open-and-close mechanism provided by the invention also has and takes up room little, and compact conformation, opens and closes the stability high of upper cover.
Accompanying drawing explanation
Fig. 1 is the front view of the open-and-close mechanism of the washing machine top case that the embodiment of the present invention two proposes;
Fig. 2 is the side view of the open-and-close mechanism of the washing machine top case that the embodiment of the present invention two proposes;
Fig. 3 is the front view of the open-and-close mechanism of the washing machine top case that the embodiment of the present invention two proposes;
Fig. 4 is the front view of the open-and-close mechanism of the washing machine top case that the embodiment of the present invention three proposes;
Fig. 5 is the upward view of the washing machine local that the embodiment of the present invention four proposes;
Fig. 6 is the A-A sectional view of washing machine partial bottom view in Fig. 5;
Fig. 7 is the perspective view of the washing machine local that the embodiment of the present invention four proposes;
Fig. 8 is the washing machine local mounting structure schematic diagram that the embodiment of the present invention four proposes;
Fig. 9 is the washing machine local mounting structure schematic diagram that the embodiment of the present invention four proposes.
In figure:
1, upper cover; 2, deceleration device; 21, output; 22, output shaft; 23, input gear; 24, output gear; 25, spline housing; 3, drive unit; 41, electromagnetism seat; 42, spring; 6, control panel seat; 7, fixed support; 8, the first hinge; 9, the second hinge.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment one
The present embodiment proposes a kind of open-and-close mechanism of washing machine top case, comprises control device, drive unit, deceleration device, and described upper cover can open or close under the drive of the output shaft of deceleration device, and the input of described deceleration device is connected with described drive unit.The open-and-close mechanism of the washing machine top case in the present embodiment also comprises arrangement of clutch, described arrangement of clutch is all connected with described control device with described drive unit, described arrangement of clutch matches with described deceleration device and described drive unit, engages under control of the control means or disconnects the drive path between described drive unit and described upper cover.
Described control device is preferably computer board, described drive unit is preferably motor, under the control of computer board, described motor drives upper cover to realize open and close by positive and negative rotation, described arrangement of clutch can engage or disconnect the drive path between described drive unit and described upper cover under the control of computer board, thus make upper cover both can carry out opening and closing by motor driving, the joint with motor can be departed from the power-off state again, thus realize manual unlocking and closedown.
As a kind of preferred embodiment, the output shaft that the arrangement of clutch in the present embodiment can control described deceleration device under control of the control means connects and disconnects.Because described deceleration device is connected with upper cover and drive unit respectively, between upper cover and drive unit, transmit power, therefore arrangement of clutch is connected by the output shaft controlling described deceleration device and disconnects and then control the break-make of the drive path between described drive unit and described upper cover.
As another kind of preferred embodiment, arrangement of clutch in the present embodiment can control connection between each parts in described deceleration device and disconnection under control of the control means, because described deceleration device is connected with upper cover and drive unit respectively, power is transmitted between upper cover and drive unit, therefore, when each parts controlled in described deceleration device when described arrangement of clutch connect, drive path is communicated with; When the described arrangement of clutch each parts controlled in described deceleration device disconnect, drive path disconnects.
Embodiment two
Embodiment two be the one of embodiment one preferred embodiment.
As Fig. 1, shown in Fig. 2, it is the open-and-close mechanism of a kind of washing machine top case that the present embodiment proposes, comprise control device, drive unit 3, deceleration device, described upper cover can open or close under the drive of the output shaft 21 of deceleration device, the input of described deceleration device is connected with described drive unit 3, also comprise arrangement of clutch, described arrangement of clutch is all connected with described control device with described drive unit 3, described arrangement of clutch matches with described deceleration device and described drive unit 3, the drive path between described drive unit 3 and described upper cover is engaged under control of the control means when being energized, disconnect the drive path between described drive unit 3 and described upper cover 1 after a loss of power.
Described deceleration device in the present embodiment is preferably train of reduction gears, it at least comprises an input gear 23 and an output gear 24, can further include at least one idler gear for transmitting power between described input gear 23 and output gear 24; Train of reduction gears in the present embodiment only comprises an input gear and an output gear.
Described arrangement of clutch can be electromagnetic clutch device, mechanical clutch means or other forms of arrangement of clutch, and the described arrangement of clutch in the present embodiment comprises electromagnetism seat 41 and spring 42; Described input gear 23 is slidably located on the output shaft 22 of described drive unit 3; Described spring 42 is set on the output shaft 22 of described drive unit 3, matches with described input gear 23; Described electromagnetism seat 41 can attract described input gear 23 to slide along the output shaft 22 of described drive unit 3; Described electromagnetism seat 41 matches acting in conjunction in described input gear 23 with described spring 42, to realize the engagement of described input gear 23 and idler gear or output gear 24 or to be separated.In the energized state, described electromagnetism seat 41 attracts described input gear 23 to make it overcome spring force to be meshed with idler gear or output gear 24; In the power-off state, described spring makes described input gear 23 be separated with idler gear or output gear 24, thus disconnects upper cover and engages with between drive unit 3, makes the opening and closing that upper cover can be manual, and is not subject to the impact of motor.
As one preferred embodiment, the deceleration device in the present embodiment can also be preferably planetary gears, as shown in Figure 3, and the washing machine open-and-close mechanism of to be deceleration device be planetary gears.The output shaft 22 of described drive unit 3 matches with the gear of in described planetary gears, and described electromagnetism seat 41 can attract the gear in planetary gears to slide along the output shaft 22 of described drive unit 3; Described electromagnetism seat 41 matches with described spring 42 gear of acting in conjunction in described planetary gears, be meshed with the gear realized in described planetary gears or be separated, thus disconnection upper cover engages with between drive unit, make the opening and closing that upper cover can be manual, and not by the impact of drive unit.
Embodiment three
As shown in Figure 4, be the open-and-close mechanism of a kind of washing machine proposed in the present embodiment.Difference in open-and-close mechanism in the present embodiment and embodiment two is, arrangement of clutch in the present embodiment is made up of spline housing 25, electromagnetism seat 41 and spring 42, the output shaft 22 of described drive unit 3 or the output shaft 22 of described deceleration device are made up of the two parts disconnected, described two parts are equipped with external splines, and are connected by spline housing.Described electromagnetism seat 41 can attract described spline housing 25 sliding motion; Described electromagnetism seat 41 matches acting in conjunction in described spline housing 25 with described spring 42, to engage or to disconnect the power transmission between described two parts.
Spline housing 25 in the present embodiment is arranged on the output shaft 22 of described drive unit 3, described output shaft 22 is made up of the two parts disconnected, in the energized state, described electromagnetism seat 41 attract described spline housing 25 to make it overcome the output shaft 22 of described drive unit 3 disconnects by spring force two sections link together; In the power-off state, described spring 42 makes described spline housing 25 slide into described input gear 23 side, makes the two-phase seperation of the output shaft 22 of described drive unit 3, disconnects drive path.
Deceleration device described in embodiment two be planetary gears washing machine open-and-close mechanism also can with the spline housing arrangement of clutch in the present embodiment with the use of, concrete scheme at this not at repeated description.
Open-and-close mechanism provided by the invention is provided with arrangement of clutch between motor and deceleration device, when motor power-off, motor is separated with deceleration device by arrangement of clutch, when avoiding manual unlocking upper cover, upper cover rotates the defect that meeting drive motor rotates, thus easy and convenient when making manual unlocking upper cover, and the abnormal rotation of motor or breaking-up can not be caused.In addition, open-and-close mechanism provided by the invention also has and takes up room little, and compact conformation, opens and closes the stability high of upper cover.
Embodiment four
The present embodiment proposes a kind of washing machine being provided with above-mentioned open-and-close mechanism, as illustrated in figs. 5-7, is the washing machine partial structurtes in the present embodiment.Comprise upper cover 1, control panel seat 6, upper cover 1 and control panel seat 6 are hinged, and upper cover 1 can be opened or close by relation control dish seat 6, and described control panel seat 6 is provided with the open-and-close mechanism of above-mentioned washing machine top case.The output 21 of described deceleration device 2 is connected with described upper cover 1 and drives upper cover to rotate around 1 axis; It is inner that described drive unit 3 and described deceleration device 2 are arranged at described control panel seat 6, is positioned at the middle part of control panel seat 6 rear end or the side of rear end.As shown in Figure 7, described drive unit 3 and described deceleration device 2 are arranged at the inside of described control panel seat 6 and are positioned at the side of described control panel seat 6 rear end.
As shown in Figure 8, Figure 9, be the mounting structure of described drive unit 3 when being arranged at described control panel seat 6 rear end medium position.As a kind of preferred embodiment, described drive unit 3 to be arranged in the middle part of described control panel seat 6 rear end and to be positioned at the inner side of control panel seat 6, described drive unit 3 is connected with described upper cover 1 by the first hinge 8, is connected with described control panel seat 6 by the second hinge 9.
Further, described control panel seat 6 is provided with the travel switch be connected with control device, described travel switch is for detecting the open and-shut mode of described upper cover 1.
The present invention is described by preferred embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various change or equivalence replacement to these characteristic sum embodiments.The present invention is not by the restriction of specific embodiment disclosed herein, and other embodiments fallen in the claim of the application all belong to the scope of protection of the invention.
Claims (11)
1. the open-and-close mechanism of a washing machine top case, comprise control device, drive unit (3), deceleration device (2), described upper cover (1) can open or close under the drive of the output of deceleration device (2) (21), the input of described deceleration device (2) is connected with described drive unit (3), it is characterized in that: also comprise arrangement of clutch, described arrangement of clutch is all connected with described control device with described drive unit (3), described arrangement of clutch matches with described deceleration device (2) and described drive unit (3), engage under control of the control means or disconnect the drive path between described drive unit (3) and described upper cover (1).
2. the open-and-close mechanism of washing machine top case according to claim 1, is characterized in that: described deceleration device (2) is train of reduction gears or planetary gears.
3. the open-and-close mechanism of washing machine top case according to claim 2, is characterized in that: described deceleration device (2) is train of reduction gears, and it at least comprises an input gear (23) and an output gear (24).
4. the open-and-close mechanism of washing machine top case according to claim 3, is characterized in that: described deceleration device (2) also comprises the idler gear be located between described input gear (23) and output gear (24).
5. the open-and-close mechanism of the washing machine top case according to claim 3 or 4, it is characterized in that: described arrangement of clutch can disconnect the connection between the output shaft (22) of described drive unit (3) and described deceleration device (2), or disconnect the connection of described input gear (23) and idler gear or output gear (24).
6. the open-and-close mechanism of washing machine top case according to claim 5, is characterized in that: described arrangement of clutch comprises electromagnetism seat (41) and spring (42);
Described input gear (23) is slidably located on the output shaft (22) of described drive unit (3);
Described spring (42) is set on the output shaft (22) of described drive unit (3), matches with described input gear (23);
Described electromagnetism seat can attract described input gear to slide along the output shaft of described drive unit (3) under control of the control means; Described electromagnetism seat matches acting in conjunction in described input gear with described spring, to realize the engagement of described input gear and idler gear or output gear (24) or to be separated.
7. the open-and-close mechanism of washing machine top case according to claim 5, is characterized in that: described arrangement of clutch comprises spline housing (25), electromagnetism seat (41) and spring (42);
The output shaft (22) of described drive unit (3) or the output shaft of described deceleration device are made up of the two parts disconnected, and described two parts are equipped with external splines, and are connected by spline housing;
Described electromagnetism seat can attract described spline housing sliding motion under control of the control means; Described electromagnetism seat matches acting in conjunction in described spline housing with described spring, to engage or to disconnect the power transmission between described two parts.
8. a washing machine, comprises upper cover (1), control panel seat (6), it is characterized in that:
Described control panel seat is provided with the open-and-close mechanism of the washing machine top case as described in any one of claim 1-7.
9. washing machine according to claim 8, is characterized in that: described drive unit (3) and described deceleration device (2) are arranged at middle part or the side of described control panel seat (6) rear end.
10. washing machine according to claim 9, is characterized in that: described control panel seat (6) is provided with the travel switch be connected with control device, and described travel switch is for detecting the open and-shut mode of described upper cover (1).
11. washing machines according to claim 8, it is characterized in that: in the middle part of the rear end that described drive unit (3) is arranged at described control panel seat (6), be positioned at control panel seat (6) inner side, described drive unit (3) is connected with described upper cover (1) by the first hinge (8), is connected with described control panel seat (6) by the second hinge (9).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062210.3A CN104862928B (en) | 2014-02-24 | 2014-02-24 | A kind of open-and-close mechanism and washing machine of washing machine top case |
| PCT/CN2014/078758 WO2015123933A1 (en) | 2014-02-24 | 2014-05-29 | Opening/closing mechanism for washing machine top cover and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062210.3A CN104862928B (en) | 2014-02-24 | 2014-02-24 | A kind of open-and-close mechanism and washing machine of washing machine top case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104862928A true CN104862928A (en) | 2015-08-26 |
| CN104862928B CN104862928B (en) | 2019-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062210.3A Active CN104862928B (en) | 2014-02-24 | 2014-02-24 | A kind of open-and-close mechanism and washing machine of washing machine top case |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104862928B (en) |
| WO (1) | WO2015123933A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863426A (en) * | 2016-05-19 | 2016-08-17 | 蓬莱市大成洗涤机械有限公司 | Automatic opening and closing device of side door of inner drum of washing machine |
| CN106498669A (en) * | 2015-09-07 | 2017-03-15 | 青岛海尔洗衣机有限公司 | A kind of magnetic force A seating cover lock and it is provided with the washing machine of the cover lock |
| CN107815826A (en) * | 2016-09-13 | 2018-03-20 | 青岛海尔洗衣机有限公司 | Gear type damper, cover plate installation structure and washing machine |
| CN108179947A (en) * | 2018-02-24 | 2018-06-19 | 苏州市富尔达科技股份有限公司 | A kind of automatic opening and closing door door closer |
| CN108914501A (en) * | 2018-08-02 | 2018-11-30 | 青岛海尔洗衣机有限公司 | A kind of upper cover cushioning device for closing and washing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3128068B1 (en) * | 2015-08-04 | 2019-04-10 | Wuxi Little Swan Co., Ltd. | Washing machine |
| EP3128062B1 (en) * | 2015-08-04 | 2021-12-22 | Wuxi Little Swan Electric Co., Ltd. | Washing machine |
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| CN1150196A (en) * | 1995-11-09 | 1997-05-21 | 三星电子株式会社 | Washer having automatic lid closing/opening apparatus |
| JP2005279180A (en) * | 2004-03-31 | 2005-10-13 | Hitachi Ltd | Electric washing machine |
| CN202849811U (en) * | 2012-10-24 | 2013-04-03 | 日本电产三协株式会社 | Washing machine |
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| CN1077626C (en) * | 1995-11-09 | 2002-01-09 | 三星电子株式会社 | Door opening/closing apparatus in washing machine and method thereof |
| KR20030037783A (en) * | 2001-11-05 | 2003-05-16 | 엘지전자 주식회사 | device for opening and closing lid in washing machine |
| CN102517851A (en) * | 2011-12-22 | 2012-06-27 | 合肥荣事达三洋电器股份有限公司 | Pulsator washing machine with automatically openable and closable washing top cover |
| CN102767068A (en) * | 2012-07-23 | 2012-11-07 | 昆山富泰科电脑有限公司 | Device for automatically opening and closing upper cover of washing machine |
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2014
- 2014-02-24 CN CN201410062210.3A patent/CN104862928B/en active Active
- 2014-05-29 WO PCT/CN2014/078758 patent/WO2015123933A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150196A (en) * | 1995-11-09 | 1997-05-21 | 三星电子株式会社 | Washer having automatic lid closing/opening apparatus |
| JP2005279180A (en) * | 2004-03-31 | 2005-10-13 | Hitachi Ltd | Electric washing machine |
| CN202849811U (en) * | 2012-10-24 | 2013-04-03 | 日本电产三协株式会社 | Washing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498669A (en) * | 2015-09-07 | 2017-03-15 | 青岛海尔洗衣机有限公司 | A kind of magnetic force A seating cover lock and it is provided with the washing machine of the cover lock |
| CN105863426A (en) * | 2016-05-19 | 2016-08-17 | 蓬莱市大成洗涤机械有限公司 | Automatic opening and closing device of side door of inner drum of washing machine |
| CN107815826A (en) * | 2016-09-13 | 2018-03-20 | 青岛海尔洗衣机有限公司 | Gear type damper, cover plate installation structure and washing machine |
| CN108179947A (en) * | 2018-02-24 | 2018-06-19 | 苏州市富尔达科技股份有限公司 | A kind of automatic opening and closing door door closer |
| CN108914501A (en) * | 2018-08-02 | 2018-11-30 | 青岛海尔洗衣机有限公司 | A kind of upper cover cushioning device for closing and washing machine |
| CN108914501B (en) * | 2018-08-02 | 2023-03-21 | 青岛海尔洗衣机有限公司 | Upper cover closing buffer device and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104862928B (en) | 2019-02-15 |
| WO2015123933A1 (en) | 2015-08-27 |
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Effective date of registration: 20160601 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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