CN108286166A - A kind of washing machine - Google Patents
A kind of washing machine Download PDFInfo
- Publication number
- CN108286166A CN108286166A CN201810167237.7A CN201810167237A CN108286166A CN 108286166 A CN108286166 A CN 108286166A CN 201810167237 A CN201810167237 A CN 201810167237A CN 108286166 A CN108286166 A CN 108286166A
- Authority
- CN
- China
- Prior art keywords
- door closure
- washing machine
- shell
- elastic arm
- machine according
- Prior art date
- 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.)
- Granted
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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
- D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
- D06F31/005—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies consisting of one or more rotating drums through which the laundry passes in a continuous flow
-
- 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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
-
- 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
Abstract
The invention discloses a kind of washing machines, are related to washing machine technology field.It can realize and automatically open door closure, and accurately control the open angle of door closure.Washing machine of the present invention, including shell, it is equipped with impeller washing drum in the shell, door closure is hinged with above the nozzle of the impeller washing drum, lock piece is equipped between the door closure and the shell, when the door closure is closed, the door closure locking can be further included return unit and position limiting structure, when the lock piece unlocks by the lock piece, the restoring force of the return unit can drive the door closure to open, and the position limiting structure can limit the open angle of the door closure.The door closure that the present invention can be used for rotary drum washing machine automatically turns on.
Description
Technical field
The present invention relates to washing machine technology field more particularly to a kind of washing machines.
Background technology
Existing rotary drum washing machine, door closure are hinged in the peripheral frame of washing machine top, when unlatching be all open manually, and
Some door closures are whole in order to the visual windows or door closure for being provided with glass convenient for the laundry situation in user's observation washing tub
Body is made of glass, at this time door closure heavier-weight, in order to need to overcome the gravity of door closure entirety when human hand is opened so that uncap behaviour
Make arduously, and after long-time service, knocker hand is easy dirty, it is difficult to clean.
To solve the above-mentioned problems, some door for washing machine connect flexible opening tool (such as spring), when door lock unlocks
When can automatically spring open door body, but this structural door body speed when flicking is easy to hurt people, and the opening angle of door closure
Degree can not accurately control, and also need to manually adjust if opening angle is improper.
Invention content
The embodiment of the present invention provides a kind of washing machine, can realize and automatically open door closure, and accurately control door closure
Open angle.
In order to achieve the above objectives, it the embodiment provides a kind of washing machine, including shell, is equipped in the shell
The nozzle top of impeller washing drum, the impeller washing drum is hinged with door closure, and locking is equipped between the door closure and the shell
Part, when the door closure is closed, the door closure locking can be further included return unit and position limiting structure, when described by the lock piece
When lock piece unlocks, the restoring force of the return unit can drive the door closure to open, and the position limiting structure can limit the door
The open angle of lid.
Washing machine provided in an embodiment of the present invention, when need at closing time, be manually pressed by door closure, overcome the recovery of return unit
Power, and make lock piece locking；When needing to open the door, lock piece can be made to unlock, door closure bullet under the action of the restoring force of return unit
It opens so that rapid operation of uncapping.And position limiting structure can limit the open angle of the door closure, the angle one for making door closure open every time
It causes, is not required to adjust manually.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the cross section structure schematic diagram at the door closure of washing machine of the embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram at the door closure of washing machine of the embodiment of the present invention；
Fig. 3 is structural schematic diagram when washing machine door body of the embodiment of the present invention is opened；
Fig. 4 is the position view of the first position-limit mechanism in washing machine of the embodiment of the present invention；
Fig. 5 is the position view of second of position-limit mechanism in washing machine of the embodiment of the present invention；
Second of position-limit mechanism does not reach position view when limiting angle in Fig. 6 washing machines of the embodiment of the present invention；
Second of position-limit mechanism is in position view when limiting angle in Fig. 7 washing machines of the embodiment of the present invention；
The position view of tongue tube in Fig. 8 washing machines of the embodiment of the present invention；
The external structure schematic diagram that Fig. 9 is inventive embodiments washing machine when being multi-tub washing machine；
Figure 10 is structural schematic diagram when multi-tub washing machine door closure is opened；
Figure 11 is that the door closure of inventive embodiments washing machine is in force analysis figure when hovering angle；
Figure 12 is the comparison diagram when door closure of inventive embodiments washing machine is respectively at hovering angle and limits angle；
Figure 13 is the structural schematic diagram of reinforcing plate in inventive embodiments washing machine.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
Referring to the washing machine that Fig. 1, Fig. 2, the embodiment of the present invention are provided, including shell 1, impeller is equipped in the shell 1
Washing drum (not shown), is hinged with door closure 2 above the nozzle of the impeller washing drum, the door closure 2 and the shell 1 it
Between be equipped with lock piece 3, when the door closure 2 is closed, 2 locking of the door closure can be further included 4 He of return unit by the lock piece 3
Position limiting structure (not shown), when the lock piece 3 unlocks, the restoring force of the return unit 4 can drive the door closure 2 to beat
It opens, and the position limiting structure can limit the open angle of the door closure 2.
Washing machine provided in an embodiment of the present invention, when need at closing time, be manually pressed by door closure 2, overcome the recovery of return unit 4
Power, and make 3 locking of lock piece；When needing to open the door, lock piece 3 can be made to unlock, effect of the door closure 2 in the restoring force of return unit 4
Under flick so that rapid operation of uncapping.And position limiting structure can limit the open angle of the door closure 2, and door closure 2 is made to open every time
Angle is consistent, is not required to adjust manually.
Specifically, as shown in figure 3, return unit 4 can be torsional spring, the torsional spring is set to the articulated shaft 21 of the door closure 2
On, the torsional spring includes the first elastic arm 41 and the second elastic arm 42, and first elastic arm 41 is resisted against on the door closure 2,
Second elastic arm 42 is resisted against on the shell 1, when the door closure 2 is closed, first elastic arm, 41 and second bullet
Property arm 42 it is close to each other with compress energy storage, when the lock piece 3 unlocks, the restoring force of torsional spring drives first elastic arm 41
It is opened to the direction far from second elastic arm 42.When door closure 2 is closed, torsional spring is in compress energy storage state,
Door closure 2 tends to open, and has unlatching force effect, but door lock coordinates with gate stop, and door closure 2 is made to be in lockup state；When artificial pressing solution
Locking key, when door lock being made to unlock, door closure 2 starts reversion under the action of torsional spring restoring force and opens, until 2 gravity of door closure and torsional spring are extensive
Multiple dynamic balance, door closure 2 hover in the position.Wherein stop angle can be adjusted by adjusting torsional spring power size, reach needs
Angle；If torsional spring power is sufficiently large, door closure 2 can be opened once (i.e. the overturning of door closure 2 is more than 90 °) completely.If 2 flip angle of door closure
It less than 90 ° and needs to continue to open door closure 2, door closure 2 of turning over can be continued manually by 2 handle of door closure, until door closure 2 is overturn
Angle is more than 90 °, and door closure 2 is made to fall under the effect of gravity.
In an embodiment of the present invention, the realization method of position limiting structure is as shown in figure 4, the position limiting structure includes limit
Position arm 5,5 one end of the position limit arm are fixed on the shell 1, and the other end extends to the opening track of first elastic arm 41
On, when first elastic arm 41 opens predetermined angle under the action of restoring force, first elastic arm 41 is by the limit
Position part blocking.The open angle of door closure 2 can be limited by limiting the open angle of the first elastic arm 41 as a result, keep door closure 2 every
Secondary open angle is consistent, and simple in structure is easily achieved.
The position that the position limit arm 5 is corresponded on door closure 2 offers avoid holes.It can prevent during door closure 2 rotates as a result,
It is only interfered with position limit arm 5, locating part is enable to stop the first elastic arm 41.
In another embodiment of the invention, the position limiting structure includes the first limit being fixed on the door closure 2
Portion and the second limiting section being fixed on the shell 1, when the door closure 2 is opened to predetermined angle, first limit
Portion is clamped with second limiting section cooperation, to prevent the door closure 2 from being rotated relative to the shell 1.Clamping can be passed through as a result,
Structure carrys out the accurate open angle for limiting door closure 2, and the open angle for keeping door closure 2 each is consistent, and the structure can make beating for door closure 2
Open position is more accurate.
Specifically, as shown in Fig. 5~Fig. 7, the hinged end of the door closure 2 is equipped with hinge connector 22, the hinge connection
Part 22 is equipped with sleeve 23, and the sleeve 23 is sheathed on the articulated shaft 21 of door closure 2, and first limiting section is described to be set to
Card slot 6 on the outer surface of sleeve 23, second limiting section are gag lever post 7, and 7 one end of the gag lever post is solid with the shell 1
Fixed, the outer surface of the other end and the sleeve 23 presses against, when the door closure 2 is opened to predetermined angle, the gag lever post 7
It is caught in the card slot 6.Wherein, gag lever post 7 can use spring steel wire, spring steel wire that can be pressed in the outer of sleeve 23 by screw
On surface.The limit of this structure is accurate and occupies little space.
Due to being closed and opening to before hovering point in door closure 2, peripheral frame can be persistently by the reaction of bearing of torsional spring, therefore can be right
Peripheral frame forms certain abrasion or deformation, to influence flat appearance degree and aesthetic measure.As shown in Fig. 2, it is preferred that in the shell
On body 1 with second elastic arm 42 against position be equipped with reinforcing plate 8, second elastic arm 42 supports with the reinforcing plate 8
It leans on.Greatly strengthen structural strength at this as a result, and reinforcing plate 8 can be also used for fixed damper and articulated shaft 21, reduce
The quantity of parts is installed.Reinforcing plate 8 preferably uses metal material to make.
Personnel cause to uncap to 2 maloperation of door closure in impeller operation in order to prevent, in fact it could happen that splashing, even clothing fly
The problems such as going out, as shown in figure 8, tongue tube 11 can be arranged on shell 1, the door closure 2 is equipped with magnet 24, when the tongue tube
11 at a distance from the magnet 24 be more than pre-determined distance when, the tongue tube 11 can be sent to the control system of the washing machine
Stop the signal of impeller operation.As a result, when maloperation occurring and open door closure 2, control system can stop impeller operation in time,
Ensure washing machine operational safety.
Wherein, lock piece 3 can be electromagnetic lock, or mechanical lock, it is preferable that the lock piece 3 is to push away bullet formula
Door interlock switch.It is mechanical lock to push away bullet formula door interlock switch, and when operation, which only needs pushing away on pressing operation panel to play button, to be unlocked,
Easy to operate, simple in structure, at low cost and reliability is high.
When uncapping, torsional spring power is bigger, and opening speed can be faster, and experience of uncapping is bad, and is easy to accidentally injure people.Such as Fig. 2 institutes
Show, increases damper 9 preferably at the articulated shaft 21 of door closure 2, for slowing down enabling speed.Damper 9 can select unidirectionally to hinder
Buddhist nun's device or two way damper, when unidirectional damping is relatively small suitable for torsional spring power, 2 opening speed of door closure is slower, automatically turns on angle
Degree is smaller, only plays damping in door closing procedure, optimizes door closing procedure speed, promotes user experience.Bidirectional damper effect is more preferable,
Buffering effect can be played in unlatching, closing course, can greatly promote experience effect.
The washing machine that the embodiment of the present invention provides can also be more washing machines, specifically, as shown in Figure 9, Figure 10, institute
It states and is equipped with laundry drum bucket 100 in shell 1, the top of the laundry drum bucket 100 sets that there are two the impeller washing drums side by side
200.Three washing drums can independently wash operation, to ensure operation ease, there are one each washing drum is separately provided
Door closure 2.
As shown in figure 11, when 2 gravity of door closure bounces equalising torque to the torque of the hinge point of rotation with torsional spring, i.e. mgL-N
When=0, angle, θ 0 residing for door closure 2 is hovering critical point.And for multiple door closures 2, torsional spring torque, system resistance can all have difference
Different, θ 0 has a certain range of fluctuation, it is difficult to ensure that completely the same.Therefore, in order to ensure the opening angle one of two door closures 2
It causes, as shown in figure 12, the limited angular θ 1 of position limiting structure can be set smaller than θ 0, i.e., at limit angle, θ 1, torsional spring also has
Part torque deposit, door closure 2 have the tendency that being flipped up, and so as to eliminate above-mentioned error, ensure the opening angle of two door closures 2
Unanimously.
Further, as shown in figure 13, the reinforcer on two 200 corresponding shells 1 of the impeller washing drum can be made
As integral structure, by one time punching molded, the shape so as to accurately ensure the position limit arm 5 on reinforcer is consistent, with true
The opening angle for protecting two door closures 2 is consistent.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (11)
1. a kind of washing machine, including shell, the shell is interior to be equipped with impeller washing drum, is cut with scissors above the nozzle of the impeller washing drum
Be connected to door closure, between the door closure and the shell be equipped with lock piece, when the door closure is closed, the lock piece can will described in
Door closure locking, which is characterized in that further include return unit and position limiting structure, when the lock piece unlocks, the return unit it is extensive
Multiple power can drive the door closure to open, and the position limiting structure can limit the open angle of the door closure.
2. washing machine according to claim 1, which is characterized in that the return unit is torsional spring, and the torsional spring is set to institute
It states on the articulated shaft of door closure, the torsional spring includes the first elastic arm and the second elastic arm, and first elastic arm is resisted against described
On door closure, second elastic arm is resisted against on the shell, when the door closure is closed, first elastic arm and the second bullet
Property arm it is close to each other with compress energy storage, when the lock piece unlocks, the restoring force of torsional spring drives first elastic arm to remote
It opens in direction from second elastic arm.
3. washing machine according to claim 2, which is characterized in that the position limiting structure includes position limit arm, the position limit arm
One end is fixed on the shell, and the other end extends on the opening track of first elastic arm, when first elastic arm
When opening predetermined angle under the action of restoring force, first elastic arm is stopped by the position limit arm.
4. washing machine according to claim 3, which is characterized in that the position for corresponding to the locating part on the door closure opens up
There are avoid holes.
5. washing machine according to claim 1, which is characterized in that the position limiting structure includes being fixed on the door closure
First limiting section and the second limiting section being fixed on the shell, when the door closure is opened to predetermined angle, described
One limiting section is clamped with second limiting section cooperation, to prevent the door closure from being rotated relative to the shell.
6. washing machine according to claim 5, which is characterized in that the hinged end of the door closure is equipped with hinge connector, institute
It states hinge connector and is equipped with sleeve, the sleeve is sheathed on the articulated shaft of door closure, and first limiting section is is set to
The card slot on the outer surface of sleeve is stated, second limiting section is gag lever post, and described gag lever post one end is fixed with the shell, separately
One end and the outer surface of the sleeve press against, and when the door closure is opened to predetermined angle, the gag lever post is caught in described
In card slot.
7. the washing machine according to any one of claim 2~6, which is characterized in that on the shell with second bullet
Property arm against position be equipped with reinforcing plate, second elastic arm and the reinforcing plate against.
8. according to washing machine according to any one of claims 1 to 6, which is characterized in that the shell is equipped with tongue tube, institute
State door closure and be equipped with magnet, when the tongue tube with the magnet at a distance from more than pre-determined distance when, the tongue tube can be to
The control system of the washing machine sends the signal for stopping impeller operation.
9. according to washing machine according to any one of claims 1 to 6, which is characterized in that the lock piece is to push away bullet formula door lock
Switch.
10. according to washing machine according to any one of claims 1 to 6, which is characterized in that the door closure is connected with damper,
The damper is one-way damper or two way damper.
11. according to washing machine according to any one of claims 1 to 6, which is characterized in that be additionally provided with roller in the shell and wash
Clothing bucket, the top of the laundry drum bucket set that there are two the impeller washing drums side by side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167237.7A CN108286166B (en) | 2018-02-27 | 2018-02-27 | Washing machine |
| PCT/CN2019/076080 WO2019165945A1 (en) | 2018-02-27 | 2019-02-25 | Tri-tub washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167237.7A CN108286166B (en) | 2018-02-27 | 2018-02-27 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108286166A true CN108286166A (en) | 2018-07-17 |
| CN108286166B CN108286166B (en) | 2020-01-03 |
Family
ID=62833001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810167237.7A Active CN108286166B (en) | 2018-02-27 | 2018-02-27 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286166B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518399A (en) * | 2018-12-14 | 2019-03-26 | 海信（山东）冰箱有限公司 | A kind of rotary drum washing machine |
| CN111850941A (en) * | 2020-07-21 | 2020-10-30 | 海信（山东）冰箱有限公司 | Washing machine and control method |
| CN112568844A (en) * | 2019-09-30 | 2021-03-30 | 青岛海尔洗碗机有限公司 | Water tank type dish washing machine |
| CN113882124A (en) * | 2020-07-03 | 2022-01-04 | 天津海尔洗涤电器有限公司 | Clothes lifting device and clothes treatment equipment with same |
| CN114940529A (en) * | 2022-05-30 | 2022-08-26 | 佛山市美的清湖净水设备有限公司 | Water softening equipment |
| CN114988522A (en) * | 2022-05-30 | 2022-09-02 | 佛山市美的清湖净水设备有限公司 | Top cover device and water softener |
| CN114988521A (en) * | 2022-05-30 | 2022-09-02 | 佛山市美的清湖净水设备有限公司 | Middle frame assembly, top cover device and water softener |
| CN115010274A (en) * | 2022-05-30 | 2022-09-06 | 佛山市美的清湖净水设备有限公司 | Top cover assembly and water softening equipment |
| WO2023231608A1 (en) * | 2022-05-30 | 2023-12-07 | 佛山市美的清湖净水设备有限公司 | Top cover assembly and water softening apparatus |
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| CN206266907U (en) * | 2016-10-31 | 2017-06-20 | 无锡小天鹅股份有限公司 | Roller washing machine |
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| CN206799983U (en) * | 2017-05-16 | 2017-12-26 | 南京创维家用电器有限公司 | A kind of door of washing machine cover self-opening device and washing machine |
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| KR20040015480A (en) * | 2002-08-13 | 2004-02-19 | 삼성전자주식회사 | Drum type washing machine |
| CN202090192U (en) * | 2011-04-01 | 2011-12-28 | 无锡小天鹅股份有限公司 | Drum-type washing machine door hinge |
| CN206266907U (en) * | 2016-10-31 | 2017-06-20 | 无锡小天鹅股份有限公司 | Roller washing machine |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518399A (en) * | 2018-12-14 | 2019-03-26 | 海信（山东）冰箱有限公司 | A kind of rotary drum washing machine |
| WO2020119524A1 (en) * | 2018-12-14 | 2020-06-18 | 海信（山东）冰箱有限公司 | Washing machine |
| CN112568844A (en) * | 2019-09-30 | 2021-03-30 | 青岛海尔洗碗机有限公司 | Water tank type dish washing machine |
| CN113882124A (en) * | 2020-07-03 | 2022-01-04 | 天津海尔洗涤电器有限公司 | Clothes lifting device and clothes treatment equipment with same |
| CN111850941A (en) * | 2020-07-21 | 2020-10-30 | 海信（山东）冰箱有限公司 | Washing machine and control method |
| CN114988522A (en) * | 2022-05-30 | 2022-09-02 | 佛山市美的清湖净水设备有限公司 | Top cover device and water softener |
| CN114940529A (en) * | 2022-05-30 | 2022-08-26 | 佛山市美的清湖净水设备有限公司 | Water softening equipment |
| CN114988521A (en) * | 2022-05-30 | 2022-09-02 | 佛山市美的清湖净水设备有限公司 | Middle frame assembly, top cover device and water softener |
| CN115010274A (en) * | 2022-05-30 | 2022-09-06 | 佛山市美的清湖净水设备有限公司 | Top cover assembly and water softening equipment |
| CN115010274B (en) * | 2022-05-30 | 2023-08-22 | 佛山市美的清湖净水设备有限公司 | Top cap subassembly and water softening equipment |
| CN114988521B (en) * | 2022-05-30 | 2023-10-27 | 佛山市美的清湖净水设备有限公司 | Middle frame assembly, top cover device and water softener |
| CN114988522B (en) * | 2022-05-30 | 2023-10-27 | 佛山市美的清湖净水设备有限公司 | Top cover device and water softener |
| WO2023231605A1 (en) * | 2022-05-30 | 2023-12-07 | 佛山市美的清湖净水设备有限公司 | Intermediate frame assembly, top cover device, and water softener |
| WO2023231608A1 (en) * | 2022-05-30 | 2023-12-07 | 佛山市美的清湖净水设备有限公司 | Top cover assembly and water softening apparatus |
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|---|---|
| CN108286166B (en) | 2020-01-03 |
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