CN104727664B - Door latch structure and dish-washing machine - Google Patents

Door latch structure and dish-washing machine Download PDF

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Publication number
CN104727664B
CN104727664B CN201410052111.7A CN201410052111A CN104727664B CN 104727664 B CN104727664 B CN 104727664B CN 201410052111 A CN201410052111 A CN 201410052111A CN 104727664 B CN104727664 B CN 104727664B
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CN
China
Prior art keywords
door
door latch
latch structure
gripping
dish
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Active
Application number
CN201410052111.7A
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Chinese (zh)
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CN104727664A (en
Inventor
许绍炮
许平平
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.)
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Priority to CN201410052111.7A priority Critical patent/CN104727664B/en
Publication of CN104727664A publication Critical patent/CN104727664A/en
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Abstract

The present invention relates to the technical field of dish-washing machine, disclose door latch structure and dish-washing machine, door latch structure, including being connected to the grille body of door body, door body and the push rod for extending and the door latch for being connected to door closure towards door closure being connected to by the first spring, grille body includes dynamical element and two rotating bars, the middle part cross-like of two rotating bars is hinged, dynamical element drives two rotating bars to be rotated around pin joint, the outer end of two rotating bars forms gripping end respectively, and the gripping region for housing door latch is formed between the two.The present invention provides door latch structure and is used in dish-washing machine, when dish-washing machine is in drying stage, drives two rotating bars to rotate automatically by driving element, the increase of gripping region, door latch structure is opened, push rod pushes the door of dish-washing machine open automatically, the moisture vapor in inner bag is outwards distributed, ensure dish-washing machine low energy consumption performance, its drying property is greatly improved, certainly, by driving element so that gripping region diminishes, gripping door latch, door latch structure is in the lock state.

Description

Door latch structure and dish-washing machine
Technical field
The present invention relates to the technical field of dish-washing machine, more particularly to door latch structure and the dish-washing machine including the door lock.
Background technology
The utilization of dish-washing machine is increasingly popularized, and the continuous improvement of the demand and requirement with people, and meet current The requirement of low energy consumption, major dish-washing machine producers need constantly to improve the low energy consumption performance of dish-washing machine.
In the prior art, the energy consumption and performance in dish-washing machine and drying property are a pile contradiction, realize low energy consumption, are generally required Reducing drying property could realize, and cannot realize the low energy consumption performance of dish-washing machine on the basis of drying property is improved.
The content of the invention
It is an object of the invention to provide door latch structure, it is intended to solve dish-washing machine of the prior art and improving drying property On the basis of, it is impossible to realize the problem of low energy consumption.
The present invention is achieved in that door latch structure, in door body and door closure positioned opposite, including is connected to described The grille body of door body, be connected to by the first spring the door body and towards the door closure extend push rod and be connected to the door The door latch of lid, the grille body includes dynamical element and two rotating bars, and the middle part cross-like of two rotating bar is hinged, shape Into pin joint, the dynamical element is placed in the inner of rotating bar described in two, and rotating bar described in driving two is rotated around the pin joint, The outer end of rotating bar described in two forms the gripping end for gripping the door latch respectively, and two gripping ends are arranged in opposite directions, both it Between form gripping region for housing the door latch.
Present invention also offers dish-washing machine, dish-washing machine, including inner bag and door closure are provided with front opening in the inner bag Cavity volume, the door closure is placed at the opening of the cavity volume, and its side is articulated with the side wall of the inner bag, also including described door lock Structure, the door body is the inner bag, and the grille body is connected to the side wall of the inner bag, and the gripping end is towards the cavity volume Opening is outer to be extended, and the door latch is connected to the opposite side of the door closure.
Compared with prior art, the door latch structure that the present invention is provided, by the driving of dynamical element, can cause two rotations Bar is rotated around pin joint, so that, the gripping region between two gripping ends can increase or reduce, when gripping region becomes hour, then Door latch can be clamped so that be in the lock state between door body and door closure, when region increase is gripped, then unclamped to door latch Gripping, now, door closure can be pushed away door body by push rod so that between door body and door closure be in open mode, so, by right Automatically controlling for driving element, then be capable of achieving the automation locking of the door latch structure or open.
The door latch structure is used in dish-washing machine, when dish-washing machine is in drying stage, driving element cooperation push rod can Opened with by door latch structure, so that the moisture vapor in the inner bag of dish-washing machine is outwards distributed, ensureing dish-washing machine low energy consumption On the basis of energy, its drying property is greatly improved.
Brief description of the drawings
Fig. 1 is the schematic perspective view of grille body provided in an embodiment of the present invention;
Fig. 2 is the inside schematic perspective view that door latch structure provided in an embodiment of the present invention is in the lock state;
Fig. 3 is the schematic perspective view that two rotating bar provided in an embodiment of the present invention coordinates;
Fig. 4 is the inside schematic perspective view one that door latch structure provided in an embodiment of the present invention is in open mode;
Fig. 5 is the inside schematic perspective view two that door latch structure provided in an embodiment of the present invention is in releasing orientation;
Fig. 6 is the schematic perspective view that dish-washing machine provided in an embodiment of the present invention is in open mode;
Fig. 7 is the schematic perspective view that dish-washing machine provided in an embodiment of the present invention is in the lock state.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific embodiment.
As shown in Fig. 1~7, for the preferred embodiment that the present invention is provided.
Shown in reference picture 1~7, the door latch structure that the present embodiment is provided is used in dish-washing machine, and certainly, it can also be used In any required door latch structure enters line-locked equipment, such as locker, micro-wave oven are not limited in the present embodiment Utilization.
Shown in reference picture 1~3, door latch structure can be arranged in door body and door closure, and door body is oppositely arranged with door closure, door closure Can be used for closing door body.Door latch structure includes grille body 1 and door latch 2, and grille body 1 is connected in door body, and it includes two Rotating bar 13 and dynamical element 10, wherein, the middle part of two rotating bars 13 is hinged, and forms pin joint 138, so that, two rotating bars 13 form cross-like, and so, two rotating bars 13 can be rotated around pin joint 138 respectively so that between the end of two rotating bar 13 Spacing increase or reduce.
Certainly, in actual use, directly pin joint 138 can be connected in door body, so that two rotating bars 13 Can be with opposing oscillatory.
The outer end of two rotating bars 13 forms two gripping ends 131 positioned opposite respectively towards inner bending, two gripping ends 131 it Between formed gripping region 133, so, with two rotating bars 13 around interface point rotate, the gripping region 133 can increase or contract It is small.Above-mentioned dynamical element 10 is connected to the inner of two rotating bars 13, for driving two rotating bars 13 respectively around pin joint 138 Rotate.
" the inner " and " outer end " for the rotating bar 13 referred in above-mentioned, refers respectively to the pin joint 138 of rotating bar 13 It is boundary, the two ends that rotating bar 13 is formed.
Door latch 2 is oppositely arranged with the outer end of two rotating bars 13, and it is connected on door closure, and in bulk, certainly, it can also It is other shapes, as long as it can be clamped by the gripping end 131 of two rotating bars 13 then may be used.
In addition, door latch structure also includes push rod 12, the push rod 12 is connected in door body by the first spring 14, and towards door closure It is disposed to extend.
In practice, the grille body 1 of above-mentioned door latch structure and push rod 12 can be connected in door body, door Lock 2 is connected on door closure, so, when needing to lock door body and door closure, by door closure near door body, shown in reference picture 2, is moved Power element 10 drives two rotating bars 13 around pin joint 138, rotates inwardly respectively, and now, the angle between two rotating bars 13 diminishes, Gripping region 133 between the gripping end 131 of two rotating bars 13 diminishes, such that it is able to the door that will be in the gripping region 133 Lock 2 is clamped, and now push rod 12 is then connected in door body, in confined state;Certainly, when needing to unclamp door latch structure, Namely so that being separated between door closure and door body, shown in reference picture 4~5, dynamical element 10 drives two rotating bars 13 around pin joint 138 rotate outwardly respectively, and now, the angle between two rotating bars 13 becomes big, the gripping between the gripping end 131 of two rotating bars 13 Region 133 increases, so that, the abutting with door latch 2 is unclamped at gripping end 131, now, in the presence of the first spring 14, push rod Door closure is pushed away door body by 12 so that door latch 2 spins off from the gripping region 133 between two gripping ends 131, so that, it is real Existing door body unclamps locking with door closure, also, door closure belongs to full-automatic process with the disengaging process of door body, it is not necessary to manual operation.
The present embodiment door latch structure is used in dish-washing machine, now, door body is inner bag, and door latch 2 is arranged on dish-washing machine Door closure on, and grille body 1 is arranged on the inner bag of dish-washing machine, so, using the connection between grille body 1 and door latch 2, can Linked together with inner bag with by door closure, so that dish-washing machine realizes lock-out state, when grille body 1 and door latch 2 unclamp to be connected, Then dish-washing machine is in open mode.
So, when dish-washing machine is during dry, can be by controlling dynamical element 10, the dynamical element 10 drives automatically Dynamic two rotating bars 13 swing outwardly so that the gripping regions 133 between two gripping ends 131 increase so that, grille body 1 unclamp with Door latch 2 is connected, and door closure can be pushed away inner bag by push rod 12, and so, dish-washing machine is realized automatic in drying stage by door latch structure Open the door, the moisture vapor in inner bag 3 in body can be distributed outwards, and so as to greatly improve its drying property, it can guarantee that The low energy consumption performance of dish-washing machine.
Shown in reference picture 2 and Fig. 3, in the present embodiment, the medial surface at two gripping ends 131 is respectively formed with groove 132, and two is recessed Groove 132 is opposite to be arranged, so that, when two gripping ends 131 are when door latch 2 is gripped, the both sides of door latch 2 are respectively placed in two groove In 132 so that stable connection between gripping end 131 and door latch 2, that is, when ensureing that door latch structure is in the lock state, its Locking effect is preferable.
Certainly, in order to increase the frictional force between groove 132 and door latch 2, the side wall of groove 132 is formed with multiple alternate The fin being arranged in juxtaposition, even if being also formed with concaveconvex structure on the side wall of groove 132.
In the present embodiment, dynamical element 10 has mobile bar 101, and the mobile bar 101 is arranged in the inner of two rotating bars 13 Between, it is connected to respectively between the inner of two rotating bars 13, so that, as the mobile bar 101 of dynamical element 10 is towards pin joint 138 movements, it can drive two rotating bars 13 to rotate outwardly, that is, the two gripping regions 133 gripped between ends 131 increase.
When certainly, in order that the mobile bar 101 of proper dynamical element 10 bounces back, can turn inwardly between two rotating bars 13 It is dynamic, so that whole door latch structure is locked or opened automatically, in the present embodiment, in the both sides of pin joint 138, two rotating bars 13 Between enclose, be respectively formed with end 136, be respectively equipped with second spring 137 in the both sides end regions 136, this second Spring 137 is disposed to extend along the inside and outside extreme direction of rotating bar 13, and its two ends is connected in two rotating bars 13.
So, the second spring 137 between two rotating bars 13 is in its pre-compressed state, so, when the shifting of dynamical element 10 When lever 101 is moved outwardly, the angle increase between two rotating bars 13 is driven, now, second spring 137 continues further to be pressed Contracting;When mobile bar 101 retracts, in the presence of the restoring force of second spring 137, two rotating bars 13 are then rotated inwardly, both Between angle then diminish, that is, two gripping ends 131 gripping door latch 2.
In the present embodiment, in order to second spring 137 is during by compression or elongation, its deformation direction will not change, And the second spring 137 is easily installed, two are respectively equipped with each end 136 and are disposed to extend along extreme direction inside and outside rotating bar 13 Sleeve 135, one end of two sleeve 135 is connected in the rotating bar 13 of the both sides of end 136, and its other end is opposite Arrangement, and with interval, the two ends of the second spring 137 in end 136 are then respectively placed in two sleeves 135, then can be real The installation of existing two second springs 137.
In addition, two above-mentioned sleeves 135 can also be limited maximum angle between two rotating bars 13, that is to say, that Interval between two sleeves 135, is ultimate range that second spring 137 is compressed.
In the present embodiment, in order to 101 pairs of two rotating bars 13 of mobile bar are preferably promoted, the outer end of mobile bar 101 is provided with end First 102, the both sides of the termination 102 are connected in two rotating bars 13 respectively.The both sides of termination 102 take the form of inclined plane respectively, so, can Ensure that the both sides of termination 102 are connected on the side wall of rotating bar 13 completely.
As other embodiments, between two rotating bars 13, it is also possible to be not provided with above-mentioned second spring 137, now, Track slot can be set on the side wall of two rotating bars 13, the track slot is disposed to extend along the length direction of rotating bar 13, and mobile bar 101 termination 102 is respectively provided on two sides with guide rail, and the guide rail is embedded in track slot, it is possible to moved along track slot.So, when When termination 102 is moved outwardly, under the squeezing action of termination 102, angle increases two rotating bars 13;When termination 102 bounces back, Under the cooperation of guide rail and track slot, two rotating bars 13 are rotated inwardly automatically under the traction of termination 102, and angle between the two becomes It is small.
Certainly, by setting the cooperation of termination 102 and rotating bar 13, or by set second spring 137 all can, specifically Depending on visual actual demand is set.
In the present embodiment, dynamical element 10 is magnetic valve, and when solenoid valves, mobile bar 101 is moved outwardly, works as electromagnetism When valve is powered off, mobile bar 101 then bounces back reset, and certainly, dynamical element 10 can also be other plurality of devices, such as cylinder.
In the present embodiment, door latch structure also includes shell 11, and the shell 11 is connected in door body, is provided with shell 11 and put Put chamber 112, and the front end of shell 11 is communicated with the first opening of placed cavity 112, above-mentioned dynamical element 10 and two is rotated Bar 13 is placed in the placed cavity 112, and its pin joint 138 is connected to the bottom of placed cavity 112, and the outer end of rotating bar 13 is extended First opening, and it is positioned opposite with door latch 2.
Certainly, as other embodiments, door latch structure can not also include shell 11, directly by the hinge of two rotating bars 13 Contact 138 be connected on the part that needing, the door latch structure is set then can, such as in door body.
In above-mentioned shell 11, the rear end of placed cavity 112 is convexly equipped with back cavity, back cavity connection placed cavity 112, above-mentioned Dynamical element 10 is then placed in the back cavity, and its mobile bar 101 is extended in placed cavity 112, and is placed between two rotating bars 13.
In the present embodiment, in the both sides of placed cavity 112, side chamber 111 is respectively arranged with, and the front end of shell 11 is provided with company Lead to second opening in the side chamber 111, in the present embodiment, push rod 12 is provided with two, and two push rods 12 are individually positioned in both sides In the chamber 111 of end, the second opening of the outer end of push rod 12 alignment arrangement, by described the between its inner and bottom in side chamber 111 One spring 14 is connected.
So, when door latch structure is in the lock state, the outer end of push rod 12 is compressed by external component, is placed in side chamber In 111, now, the first spring 14 is compressed;When door latch structure is opened, now, external component applying power is pressed on push rod 12 Outer end, push rod 12 is outer mobile towards the second opening in the presence of the restoring force of the first spring 14, so as to will connect two outside Isolation of components.
In addition, in order to be positioned to the distance that push rod 12 is moved outwardly, and avoid push rod 12 from departing from from side chamber 111 Out, the periphery of the inner of push rod 12 is convexly equipped with ring wall 18, and so, in the presence of the first spring 14, push rod 12 is moved outwardly, directly It is pressed on second opening in side chamber 111 to ring wall 18 thereon, then will not continue to move outwardly.
Used as other embodiments, push rod 12 can also be arranged on other positions, be not limited to rotating bar 13 Both sides, certainly, its set form can also variation, as long as its can realize by door closure push away door body then can, such as can be bullet Property deformation shell fragment etc..
When two rotating bars 13 are rotated inwardly respectively, to grip during door latch 2, in order to the rotation to rotating bar 13 is limited Position, it is ensured that two gripping ends 131 then stop operating when door latch 2 is clamped, and in the present embodiment, the bottom of placed cavity 112 is convexly equipped with Boss 16, the boss 16 is placed between the outer end of two rotating bars 13, and its both sides is connected to the inner side of two rotating bars 13 respectively, this Sample, when two rotating bars 13 are rotated inwardly respectively, when its inner side is connected on the side wall of boss 16 respectively, then stops operating.
Certainly, the shape for being formed between the shape of raised line and two rotating bars 13 is similar, and its two side takes the form of inclined plane.
In the present embodiment, shell 11 has base and upper lid to constitute, and placed cavity 112 and side chamber 111 are all disposed within base In, certainly, the shape and structure of shell 11 can also be that other are various, be not limited to the present embodiment.
Refer again to shown in Fig. 6~Fig. 7, the dish-washing machine that the present embodiment is also provided, it includes inner bag 3, door closure 4 and above-mentioned Door latch structure, wherein, door body is then inner bag 3, and the cavity volume 31 with front opening in inner bag 3, door closure 4 is placed in the opening of cavity volume 31 Place, for closing the opening, its side is hinged on the side wall of inner bag 3, and the grille body 1 of above-mentioned door latch structure is fixed on inner bag On 3 side wall, towards extension outside the opening of cavity volume 31, door latch 2 is arranged on the opposite side of door closure 4 at the gripping end 131 of rotating bar 13 On.
So, dish-washing machine is, it is necessary to when door closure 4 closes the cavity volume 31 of inner bag 3, door closure 4 is closed and held during washing the dishes On the opening in chamber 31, the door latch 2 on door closure 4 is clamped at the gripping end 131 of two rotating bars 13, now, as shown in fig. 7, dish-washing machine It is in the lock state;When dish-washing machine is in drying stage, now, the gripping end 131 of two rotating bars 13 is unclamped to door latch 2 Gripping, so that, in the presence of push rod 12, door closure 4 can then pushed away from inner bag 3, so that, door closure 4 can be from the opening of cavity volume 31 Upper opening, as shown in fig. 6, for dish-washing machine is in open mode.
When dish-washing machine is in drying stage, door closure 4 is opened, and now, the moisture vapor in inner bag 3 can outwards dissipate Hair, so as on the basis of dish-washing machine low energy consumption is ensured, greatly improve its drying property.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (10)

1. door latch structure, in door body and door closure positioned opposite, it is characterised in that the door lock including being connected to the door body Body, the door body is connected to by the first spring and the push rod that extends towards the door closure and the door lock of the door closure is connected to Button, the grille body includes dynamical element and two rotating bars, and the middle part cross-like of two rotating bar is hinged, and formation is hinged Point, the dynamical element is placed in the inner of rotating bar described in two, and rotating bar described in driving two is rotated around the pin joint, described in two The outer end of rotating bar forms the gripping end for gripping the door latch respectively, and two gripping ends are arranged, formed between the two in opposite directions Gripping region for housing the door latch.
2. door latch structure as claimed in claim 1, it is characterised in that be formed with the inside of the gripping end described for gripping The groove of door latch.
3. door latch structure as claimed in claim 1, it is characterised in that the both sides of rotating bar described in two enclose to form side respectively Region, is provided with second spring in the end, the second spring is disposed to extend along the inside and outside extreme direction of the rotating bar, Its two ends is connected to the rotating bar.
4. door latch structure as claimed in claim 3, it is characterised in that two sleeves are provided with each end, described in two One end of sleeve is connected to the rotating bar of the end both sides, and the other end is arranged in opposite directions, the two ends point of the spring It is not set in sleeve described in two.
5. door latch structure as claimed in claim 1, it is characterised in that the dynamical element has mobile bar, the mobile bar Outer end be provided with termination, the two side of the termination is connected on the side wall of two rotating bars respectively.
6. the door latch structure as described in any one of claim 1 to 5, it is characterised in that the door latch structure includes having to be placed The shell in chamber, the case nose is communicated with the first opening of the placed cavity, and the grille body is placed in the placed cavity, The pin joint is connected to the placed cavity bottom, and the gripping end of rotating bar described in two is extended outside first opening.
7. door latch structure as claimed in claim 6, it is characterised in that the placed cavity is respectively provided on two sides with side chamber, institute The front end for stating shell is communicated with second opening in the side chamber, and the push rod is placed in the side chamber, the alignment of its outer end Second opening, its inner is connected to the bottom in the side chamber by first spring.
8. door latch structure as claimed in claim 7, it is characterised in that the inner periphery of the push rod is convexly equipped with ring wall.
9. door latch structure as claimed in claim 6, it is characterised in that the bottom of the placed cavity is convexly equipped with boss, described convex Platform is placed between the outer end of rotating bar described in two.
10. dish-washing machine, including inner bag and door closure, are provided with the cavity volume of front opening in the inner bag, the door closure is placed in described At the opening of cavity volume, its side is articulated with the side wall of the inner bag, it is characterised in that also including any one of claim 1~9 institute The door latch structure stated, the door body is the inner bag, and the grille body is connected to the side wall of the inner bag, and the gripping end is towards institute State and extend outside the opening of cavity volume, the door latch is connected to the opposite side of the door closure.
CN201410052111.7A 2014-02-14 2014-02-14 Door latch structure and dish-washing machine Active CN104727664B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410052111.7A CN104727664B (en) 2014-02-14 2014-02-14 Door latch structure and dish-washing machine

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Application Number Priority Date Filing Date Title
CN201410052111.7A CN104727664B (en) 2014-02-14 2014-02-14 Door latch structure and dish-washing machine

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CN104727664A CN104727664A (en) 2015-06-24
CN104727664B true CN104727664B (en) 2017-06-09

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Publication number Priority date Publication date Assignee Title
CN108652555B (en) * 2017-03-29 2022-12-30 青岛海尔洗碗机有限公司 Dish washer lock and dish washer
CN108661454B (en) * 2017-03-29 2021-04-13 青岛海尔洗碗机有限公司 Automatic door lock of dish washing machine and dish washing machine
CN107397516A (en) * 2017-07-31 2017-11-28 宁波欧琳厨具有限公司 The opening structure of Novel trough-type dish-washing machine
CN108035629B (en) * 2018-01-09 2023-06-23 安徽三九农业装备科技股份有限公司 Door lock device of blanking door of tea rolling machine
CN108553062B (en) * 2018-06-01 2020-11-24 佛山市顺德区美的洗涤电器制造有限公司 Automatic door opening system and household appliance
CN108742416B (en) * 2018-06-01 2021-09-21 佛山市顺德区美的洗涤电器制造有限公司 Automatic door opening system and household appliance
CN112556423A (en) * 2020-11-24 2021-03-26 龙泉剑村艺术品有限公司 Firing process and firing equipment for roof iron glaze porcelain
CN113007416B (en) * 2021-03-02 2023-03-31 中铁二院工程集团有限责任公司 Hidden valve box

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KR100457586B1 (en) * 2002-11-28 2004-11-17 엘지전자 주식회사 The door's opening and shutting apparatus of a dishwasher
ATE542465T1 (en) * 2008-06-02 2012-02-15 Miele & Cie DISHWASHER HAVING A DEVICE FOR OPENING THE DOOR CLIPWISE
CN102525371B (en) * 2012-01-09 2015-06-10 海尔集团公司 Door lock device and dish-washing machine with same
CN202875280U (en) * 2012-09-29 2013-04-17 美的集团股份有限公司 Dish-washer and locker thereof
CN203684836U (en) * 2014-02-14 2014-07-02 美的集团股份有限公司 Door lock structure and dish washing machine

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Effective date of registration: 20221025

Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province

Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd.

Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong.

Patentee before: MIDEA GROUP Co.,Ltd.

Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd.

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