CN111759251A - Dish washing machine - Google Patents
Dish washing machine Download PDFInfo
- Publication number
- CN111759251A CN111759251A CN202010491902.5A CN202010491902A CN111759251A CN 111759251 A CN111759251 A CN 111759251A CN 202010491902 A CN202010491902 A CN 202010491902A CN 111759251 A CN111759251 A CN 111759251A
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- China
- Prior art keywords
- door body
- elastic
- locking
- bayonet
- piece
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4251—Details of the casing
- A47L15/4257—Details of the loading door
- A47L15/4261—Connections of the door to the casing, e.g. door hinges
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- Washing And Drying Of Tableware (AREA)
Abstract
The invention relates to the technical field of household appliances, and discloses a dish washing machine which comprises a machine body, a door body, a jacking mechanism and a door locking mechanism, wherein the jacking mechanism comprises a jacking elastic part, one end of the jacking elastic part is connected with the machine body, and the other end of the elastic part is abutted against the door body; the door locking mechanism comprises a driving piece, a locking piece and an elastic buckle assembly, the driving piece is arranged on the door body, the locking piece is arranged at the power output end of the driving piece, the elastic buckle assembly is arranged on the machine body, and the elastic buckle assembly is provided with a bayonet; in the initial state, the locking piece resets under the effect of driving piece, and is outstanding for the side of the door body, and after the user closed the door body, the bayonet socket locked the locking piece for the door body and fuselage formed sealed environment. When switching into the state of opening the door, driving piece drive locking piece breaks away from the bayonet socket, backs down the elastic component and backs down the door body, realizes the door body and opens certain clearance with the fuselage for the outside is scattered to this clearance of moisture accessible, does benefit to the better faster drying of tableware, has advantages such as drying efficiency height, energy consumption low.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a dish washing machine.
Background
At present, more and more intelligent household appliances are used for people, for example, dishwashers automatically clean and dry tableware, and bring convenience to people's life.
The existing dish washer adopts a strong pull type door lock to lock the door body so as to realize the sealing effect of the inner container of the dish washer, and the overflow of washing water can be avoided in the washing process. However, in the drying process or after the drying process is finished, moisture is retained in the internal environment due to the sealed environment, and the moisture can be discharged only by using an internal device, so that the drying machine has the defects of low drying efficiency, high energy consumption and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a dishwasher capable of automatically opening a door body to discharge moisture during a drying stage is provided.
In order to solve the technical problem, the invention provides a dish washing machine, which comprises a machine body, a door body, a jacking mechanism and a door locking mechanism, wherein an article placing cavity with a forward opening is limited in the machine body; the door body is rotatably connected with the machine body and can close or open the object containing cavity; the ejection mechanism comprises an ejection elastic part, one end of the ejection elastic part is connected with the machine body, and the other end of the elastic part is abutted against the door body; the door locking mechanism comprises a driving piece, a locking piece and an elastic buckle assembly, the driving piece is arranged on the door body, the locking piece is arranged at the power output end of the driving piece, the elastic buckle assembly is arranged on the machine body, and the elastic buckle assembly is provided with a bayonet;
when the door body rotates to close the article placing cavity, the driving piece can drive the locking block to move so as to lock the locking block in the bayonet or separate from the bayonet;
when the locking block is buckled with the bayonet, the door body resists the elastic force of the ejection elastic piece; when the locking block is separated from the bayonet, the elastic force of the ejecting elastic piece can eject the door body so as to open the article placing cavity.
Preferably, the elastic buckle assembly comprises two locking pieces and a locking elastic piece, wherein the locking pieces are provided with protrusions, and the two protrusions are oppositely arranged to define the bayonet; the locking elastic piece is connected between the two locking pieces.
As a preferred scheme, the bulge is in an arc shape, and the cross section of the locking block is in a quadrilateral shape;
when the locking block is buckled with the bayonet, one adjacent side surface of the locking block pushes open the outer side ends of the two bulges so as to be buckled into the bayonet; when the locking block is separated from the bayonet, the other adjacent side face of the locking block pushes open the inner side ends of the two protrusions so as to separate the bayonet.
Preferably, the ejecting mechanism further comprises an ejecting block, one end of the ejecting block is connected with the ejecting elastic piece, and the other end of the ejecting block is abutted to the door body.
As a preferable scheme, the dishwasher further comprises a limiting mechanism, the limiting mechanism comprises a traction elastic part, one end of the traction elastic part is connected with the door body, and the other end of the traction elastic part is connected with the dishwasher body;
after the ejection elastic piece ejects the door body, the elastic force of the traction elastic piece can limit the door body to open the object placing cavity at a preset angle.
Preferably, the limit structure further comprises a traction rope and a guide wheel, and the door body is connected with the traction elastic part through the traction rope; the guide wheel is arranged on the machine body, and the traction rope is wound on the guide wheel.
Preferably, the preset angle is in the range of 1 ° to 45 °.
As a preferred scheme, the door body is provided with a rotating arm connected with the pulling rope, and the ejector block is positioned below the rotating arm;
when the locking block is buckled with the bayonet, the rotating arm presses towards the ejecting block to resist the elastic force of the ejecting elastic piece; when the locking block is separated from the bayonet, the elastic force of the ejecting elastic piece drives the ejecting block to eject the rotating arm, so that the object placing cavity is opened.
As the preferred scheme, the bottom end of the door body is connected with the machine body through a rotating shaft, and the driving piece is arranged at the top end of the door body.
Preferably, the ejection mechanism and the limiting mechanism are arranged on the side surface of the machine body.
Compared with the prior art, the dishwasher provided by the invention has the beneficial effects that:
the door body and the machine body can rotate relatively to realize switching between a door closing state and a door opening state. In an initial state, the locking block is reset under the action of the driving piece and protrudes relative to the side face of the door body, and after a user closes the door body, the bayonet is clamped with the locking block, so that the door body and the machine body form a sealed environment. When dish washer is in dry stage, switch into the state of opening the door, the driving piece drive the locking piece breaks away from the bayonet socket, the elastic component that backs down of mechanism will the door body backs down, realizes the door body with certain clearance is opened to the fuselage for external environment is scattered in this clearance of moisture accessible, does benefit to the better faster drying of tableware, has advantages such as drying efficiency height, energy consumption low.
Drawings
FIG. 1 is a schematic view showing the overall structure of a dishwasher in accordance with a preferred embodiment of the present invention.
FIG. 2 is a schematic view showing an assembly structure of a driver and a locking piece in a dishwasher in accordance with a preferred embodiment of the present invention.
FIG. 3 is a schematic view showing a door closing state of a lock block and a lock arm in the dishwasher in accordance with the preferred embodiment of the present invention.
FIG. 4 is a structural view showing an open state of a locking piece and a locking arm in the dishwasher in accordance with the preferred embodiment of the present invention.
Fig. 5 is a schematic structural view illustrating a door-closed state of a check mechanism in a dishwasher in accordance with a preferred embodiment of the present invention.
Fig. 6 is a structural view illustrating a door-opened state of a check mechanism in a dishwasher in accordance with a preferred embodiment of the present invention.
In the figure: 100. a body; 110. a storage cavity; 200. a door body; 210. a rotating arm; 220. a rotating shaft; 300. a jacking mechanism; 310. ejecting the elastic piece; 320. a top block; 400. a door locking mechanism; 410. a drive member; 411. a power output end; 420. a locking block; 430. an elastic buckle component; 431. a bayonet; 432. a locking member; 433. a protrusion; 434. locking the elastic piece; 500. a limiting mechanism; 510. pulling the elastic member; 520. a pulling rope; 530. a guide wheel.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 6, a preferred embodiment of the present invention provides a dishwasher, which includes a main body 100, a door body 200, a top opening mechanism 300, and a door locking mechanism 400, wherein the main body 100 defines a storage chamber 110 with a forward opening inside; the door body 200 is rotatably connected with the body 100, and the door body 200 can close or open the storage cavity 110; the ejection mechanism 300 comprises an ejection elastic part 310, one end of the ejection elastic part 310 is connected with the machine body 100, and the other end of the elastic part is abutted against the door body 200; door locking mechanism 400 includes driving piece 410, locking piece 420 and elasticity buckle subassembly 430, driving piece 410 locates on the door body 200, locking piece 420 install in driving piece 410's power take off 411, elasticity buckle subassembly 430 locates on the fuselage 100, just elasticity buckle subassembly 430 is equipped with bayonet 431.
When the door body 200 rotates to close the storage cavity 110, the driving member 410 can drive the locking block 420 to move, so that the locking block 420 is locked in the bayonet 431 or separated from the bayonet 431.
When the locking block 420 is engaged with the bayonet 431, the door 200 resists the elastic force of the top-opening elastic member 310; when the locking block 420 is separated from the bayonet 431, the door body 200 can be pushed open by the elastic force of the pushing-open elastic member 310, so as to open the storage cavity 110.
Based on the technical characteristics, the door body 200 and the body 100 can rotate relatively to realize switching between a door closing state and a door opening state. In an initial state, the lock block 420 is reset by the driver 410, protrudes from a side surface of the door 200, and the bayonet 431 engages with the lock block 420 after the user closes the door 200, so that the door 200 and the body 100 form a sealed environment. When dish washer is at the dry stage, switch into the state of opening the door, driving piece 410 drives locking piece 420 breaks away from bayonet 431, the elastic component 310 that backs down mechanism 300 will the door body 200 backs down, realizes the door body 200 with certain clearance is opened to fuselage 100 for external environment is scattered in this clearance of moisture accessible, does benefit to the better faster drying of tableware, has advantages such as drying efficiency height, energy consumption low.
In this embodiment, as shown in fig. 2 to 4, the elastic buckle assembly 430 includes two locking pieces 432 and a locking elastic piece 434, one end of the locking piece 432 is provided with a protrusion 433, and the two protrusions 433 are oppositely disposed to define the bayonet 431; the locking elastic member 434 is connected between the other ends of the two locking members 432, the two protrusions 433 clamp and fasten the locking block 420, and the elastic force of the locking elastic member 434 acts on the clamping and fastening to fasten the locking block 420, so that the elastic fastening assembly 430 can fasten the locking block 420. The locking elastic member 434 is an extension spring, and the driving member 410 is a driving mechanism such as a motor or a cylinder, so as to achieve the movement of the locking block in the vertical direction.
Further, the protrusion 433 is arc-shaped, and the cross section of the locking block 420 is quadrilateral; in the fastening state shown in fig. 3, when the locking block 420 is fastened to the bayonet 431, an adjacent side surface of the locking block 420 pushes open outer ends of the two protrusions 433, so as to oppose the elastic force of the locking elastic member 434, so that the locking member 432 moves towards two sides, and the locking block 420 moves into the bayonet 431, and the restoring elastic force of the locking elastic member 434 restricts the locking block 420 in the bayonet 431, thereby realizing the fastening function; as shown in fig. 4, in the disengaged state, when the locking block 420 is separated from the bayonet 431, the other adjacent side surface of the locking block 420 pushes away the inner ends of the two protrusions 433, so as to resist against the elastic force of the locking elastic member 434, so that the locking member 432 moves towards both sides, and the driving member 410 drives the locking block 420 to disengage from the bayonet 431.
In this embodiment, as shown in fig. 5 to 6, the ejecting mechanism 300 further includes an ejecting block 320, one end of the ejecting block 320 is connected to the ejecting elastic member 310, the other end of the ejecting block 320 is abutted to the door body 200, the machine body 100 may be configured to accommodate the ejecting block 320 and the ejecting elastic member 310 and a groove with an upward opening, one end of the ejecting elastic member 310 is connected to the bottom of the groove, the ejecting block 320 is disposed at the other end of the ejecting elastic member 310, so that the ejecting block 320 moves up and down along the groove, and the stability of the acting force for ejecting the door body 200 is ensured. Wherein, the ejection elastic member 310 is a compression spring.
Referring to fig. 1, in this embodiment, in order to prevent the door 200 from being opened at an excessively large angle, the dishwasher is provided with a limiting mechanism 500, the limiting mechanism includes a pulling elastic member 510, one end of the pulling elastic member 510 is connected to the door 200, and the other end of the pulling elastic member 510 is connected to the body 100; after the door body 200 is ejected by the ejection elastic member 310, the elastic force of the pulling elastic member 510 can limit the door body 200 to open the storage cavity 110 at a preset angle, and the pulling elastic member 510 can pull the door body 200, so as to control the opening angle of the door body 200. The pulling elastic member 510 is an extension spring, and the size of the opening preset angle can be controlled by selecting extension springs with different specifications.
Specifically, the scope of presetting the angle is 1 to 45, just also the door body 200 with can open the clearance of certain angle just between the fuselage 100, discharge moisture to external environment, nevertheless the angle of opening should not too big yet, avoids external environment factor to cause great influence to the tableware after the washing is dried, obtains through the actual test of product, door body 200 is the optimum at opening angle 10 to 15.
Further, the limiting structure further comprises a pulling rope 520 and a guide wheel 530, and the door body 200 is connected with the pulling elastic member 510 through the pulling rope 520; the guide wheel 530 is arranged on the machine body 100, the pulling rope 520 is wound on the guide wheel 530, the pulling rope 520 can expand the action distance of the limiting mechanism 500, the direction of the pulling rope 520 can be changed by the guide wheel 530, and when the door body 200 rotates, the position of the pulling elastic piece 510 cannot be influenced, so that the stability of the pulling elastic piece 510 is ensured, and the pulling elastic piece 510 can be arranged along the horizontal direction or the vertical direction.
In this embodiment, the door body 200 be equipped with the rotor arm 210 that the tractive line 520 is connected, the end of rotor arm 210 is equipped with hooks the couple of tractive line 520, rotor arm 210 sets up the side of door body 200, and extend to the side of fuselage 100, back-out mechanism 300 with stop gear 500 locates the side of fuselage 100, kicking block 320 is located the below of rotor arm 210, kicking block 320 backs-out rotor arm 210, also can back-out the door body 200, through rotor arm 210 unified control the open mode and the angle of opening of the door body 200, simple structure is compact, and stability is good, and can set up in the side of dishwasher as overall structure, can not cause the influence to the mounted position of other structures of dishwasher, and the application is wide, can be applied to the dishwasher of multiple model.
As shown in fig. 5, when the locking block 420 is engaged with the bayonet 431, the rotating arm 210 presses against the top block 320 to resist the elastic force of the ejecting elastic member 310; as shown in fig. 6, when the locking block 420 is separated from the bayonet 431, the resilient force of the ejecting elastic member 310 drives the ejecting block 320 to eject the rotating arm 210, so as to open the door 200, and thus the storage compartment 110 is opened.
In this embodiment, the bottom end of the door 200 is connected to the body 100 through the rotating shaft 220, and the driving member 410 is disposed at the top end of the door 200, that is, the door locking mechanism 400 is located at the middle position of the top end of the door 200, when the locking block 420 is locked on the buckle 431, the door 200 is balanced and stable, and the locking effect is better.
The working principle of the dishwasher in the embodiment is as follows: in an initial state, the lock block 420 is reset by the driving unit 410, protrudes from a side surface of the door body 200, and after the door body 200 is closed by a user, the bayonet 431 engages with the lock block 420, and the lock member 432 locks the lock block 420, and presses the swing arm 210 against the push-open spring 310, and at this time, the push-open spring 310 is in a compressed state, and has an upward restoring spring force to the swing arm 210.
After the preset time of getting into the drying program, send command signal to driving piece 410, control locking piece 420 moves down, break away from in bayonet 431, the door body 200 is in under the effect of the resilience elastic force of ejecting elastic component 310, along axis of rotation 220 is rotatory to be opened put thing chamber 110, and under the tractive effect of tractive elastic component 510, the door body 200 is rotatory to be opened and just stops to predetermineeing the angle, is unlikely to open the angle too big, realizes the inner bag circulation of air of dish washer, impels the moisture to discharge, improves dish washer drying efficiency.
After the drying program is finished, an instruction signal is sent to the driving part 410, the locking block 420 is controlled to move upwards, so as to reset to the initial state, and a user can select to manually close the door body 200.
In summary, the embodiment of the present invention provides a dishwasher having the following advantages: (1) the door body 200 can be automatically opened in the drying stage of the dish washing machine by matching the ejection mechanism 300 with the door locking mechanism 400, so that air in the inner container of the dish washing machine is circulated, moisture is discharged, and the drying efficiency of the dish washing machine is improved; (2) the arc-shaped projection 433 is in an arc shape and is matched with the locking block 420 with a quadrangular cross section, so that the locking block 420 can be quickly buckled in the bayonet 431 or separated from the bayonet 431, and the stability is high; (3) the small-angle automatic ejection and opening of the door body 200 are realized through the pulling action of the limiting mechanism 500.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A dishwasher, comprising:
the body is internally provided with a storage cavity with a forward opening;
the door body is rotatably connected with the machine body and can close or open the object containing cavity;
the ejection mechanism comprises an ejection elastic part, one end of the ejection elastic part is connected with the machine body, and the other end of the elastic part is abutted against the door body;
the door locking mechanism comprises a driving piece, a locking piece and an elastic buckle assembly, wherein the driving piece is arranged on the door body, the locking piece is arranged at the power output end of the driving piece, the elastic buckle assembly is arranged on the machine body, and the elastic buckle assembly is provided with a bayonet;
when the door body rotates to close the article placing cavity, the driving piece can drive the locking block to move so as to lock the locking block in the bayonet or separate from the bayonet;
when the locking block is buckled with the bayonet, the door body resists the elastic force of the ejection elastic piece; when the locking block is separated from the bayonet, the elastic force of the ejecting elastic piece can eject the door body so as to open the article placing cavity.
2. The dishwasher of claim 1, wherein the resilient catch assembly comprises:
the locking piece is provided with a protrusion, and the two protrusions are oppositely arranged to form the bayonet;
and the locking elastic piece is connected between the two locking pieces.
3. The dishwasher of claim 2, wherein the protrusion has a circular arc shape, and the lock block has a quadrangular cross section;
when the locking block is buckled with the bayonet, one adjacent side surface of the locking block pushes open the outer side ends of the two bulges so as to be buckled into the bayonet; when the locking block is separated from the bayonet, the other adjacent side face of the locking block pushes open the inner side ends of the two protrusions so as to separate the bayonet.
4. The dishwasher of claim 1, wherein the roof opening mechanism further comprises:
and one end of the ejecting block is connected with the ejecting elastic piece, and the other end of the ejecting block is abutted against the door body.
5. The dishwasher of claim 4, further comprising:
stop gear, it includes:
one end of the traction elastic piece is connected with the door body, and the other end of the traction elastic piece is connected with the machine body;
after the ejection elastic piece ejects the door body, the elastic force of the traction elastic piece can limit the door body to open the object placing cavity at a preset angle.
6. The dishwasher of claim 5, wherein the limit structure further comprises:
the door body is connected with the traction elastic piece through the traction rope;
the guide wheel is arranged on the machine body, and the traction rope is wound on the guide wheel.
7. The dishwasher of claim 5, wherein the preset angle ranges from 1 ° to 45 °.
8. The dishwasher of claim 6, wherein the door body is provided with a rotating arm connected with the pulling rope, and the top block is positioned below the rotating arm;
when the locking block is buckled with the bayonet, the rotating arm presses towards the ejecting block to resist the elastic force of the ejecting elastic piece; when the locking block is separated from the bayonet, the elastic force of the ejecting elastic piece drives the ejecting block to eject the rotating arm, so that the object placing cavity is opened.
9. The dishwasher according to any one of claims 1 to 8, wherein the bottom end of the door body is connected to the dishwasher body through a rotating shaft, and the driving member is disposed at the top end of the door body.
10. The dishwasher of any one of claims 5 to 8, wherein the ejection mechanism and the limiting mechanism are provided on a side surface of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491902.5A CN111759251A (en) | 2020-06-02 | 2020-06-02 | Dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491902.5A CN111759251A (en) | 2020-06-02 | 2020-06-02 | Dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111759251A true CN111759251A (en) | 2020-10-13 |
Family
ID=72720109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491902.5A Pending CN111759251A (en) | 2020-06-02 | 2020-06-02 | Dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111759251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427161A (en) * | 2020-10-29 | 2022-05-03 | 合肥美的洗衣机有限公司 | Driver, clothes treatment equipment and door opening control method and door closing control method thereof |
| CN115399708A (en) * | 2021-05-26 | 2022-11-29 | emz-汉拿两合有限公司 | Door mechanism of household appliance with automatic door opening function |
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| EP2471433A1 (en) * | 2010-12-28 | 2012-07-04 | Imper S.p.A. | Device, preferably for a dishwasher, with door-locking mechanism |
| CN104720717A (en) * | 2014-09-03 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Door lock structure of dish washing machine |
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| CN108661454A (en) * | 2017-03-29 | 2018-10-16 | 青岛海尔洗碗机有限公司 | A kind of dish-washing machine automatic door lock and dish-washing machine |
| CN108652550A (en) * | 2018-06-01 | 2018-10-16 | 佛山市顺德区美的洗涤电器制造有限公司 | Household appliance housing unit and dish-washing machine |
| CN209670563U (en) * | 2018-09-14 | 2019-11-22 | 浙江亿田智能厨电股份有限公司 | A kind of door latch structure of dish-washing machine |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2471433A1 (en) * | 2010-12-28 | 2012-07-04 | Imper S.p.A. | Device, preferably for a dishwasher, with door-locking mechanism |
| CN104720717A (en) * | 2014-09-03 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Door lock structure of dish washing machine |
| CN107143230A (en) * | 2016-03-01 | 2017-09-08 | 青岛海尔洗碗机有限公司 | A kind of door body hinge assembly and dish-washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427161A (en) * | 2020-10-29 | 2022-05-03 | 合肥美的洗衣机有限公司 | Driver, clothes treatment equipment and door opening control method and door closing control method thereof |
| CN114427161B (en) * | 2020-10-29 | 2024-02-06 | 合肥美的洗衣机有限公司 | Driver, clothes treatment equipment, door opening control method and door closing control method thereof |
| CN115399708A (en) * | 2021-05-26 | 2022-11-29 | emz-汉拿两合有限公司 | Door mechanism of household appliance with automatic door opening function |
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