CN108661454B - Automatic door lock of dish washing machine and dish washing machine - Google Patents
Automatic door lock of dish washing machine and dish washing machine Download PDFInfo
- Publication number
- CN108661454B CN108661454B CN201710196677.0A CN201710196677A CN108661454B CN 108661454 B CN108661454 B CN 108661454B CN 201710196677 A CN201710196677 A CN 201710196677A CN 108661454 B CN108661454 B CN 108661454B
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- assembly
- push rod
- lock
- trigger
- dishwasher
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
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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
- A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
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- Washing And Drying Of Tableware (AREA)
Abstract
The invention belongs to the technical field of dish washing machine correlation, and discloses an automatic door lock of a dish washing machine, which comprises a base arranged on a dish washing machine body, a driving assembly arranged on the base, a connecting rod assembly and a push rod assembly, wherein the connecting rod assembly and the push rod assembly are positioned on the front side and the rear side of the driving assembly and are driven by the driving assembly to move simultaneously, the connecting rod assembly is connected with two symmetrically arranged and resettable lock pins, the push rod assembly is connected with at least one ejector rod with a resetting function in a driving mode, when the driving assembly drives the connecting rod assembly and the push rod assembly to move, the connecting rod assembly drives the lock pins to release the lock. The invention also provides a dishwasher comprising the dishwasher door lock. Through the structure, the automatic opening of the door body of the dish washing machine can be realized, the structure is stable and reliable, the drying efficiency and the drying effect of the dish washing machine can be effectively improved, and the automatic opening device has the characteristics of simple structure, convenience in assembly and high action reliability.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to an automatic door lock of a dish washing machine and the dish washing machine.
Background
The dish washer basically has the drying function, and what mainly adopted at present is high temperature drying, because the porcelain bowl utensil temperature is high, and the inner bag temperature is low for the steam of porcelain bowl utensil can condense to the inner bag on, in order to reach dry effect. Because the inner container is a closed environment, after the temperature is reduced, the inner container becomes damp, and condensed water drops can fall onto the porcelain bowl, so that secondary damp of the porcelain bowl is caused, and the drying function of the dish washing machine is poor. At present, the inner container is usually provided with vent holes, so that high-temperature water vapor in the inner container can be discharged through the vent holes, but when the drying is carried out by adopting the above mode, the drying effect is still not ideal.
When the dishwasher is dried, a seam is opened on a door body of the dishwasher, and high-temperature water vapor in the inner container can be discharged, but most of the existing dishwashers are non-automatic door lock structures, the door body is manually opened, and the high-temperature water vapor can burn a user; for the existing dish washer adopting the automatic door lock, although the automatic opening of the door body can be realized, the structure is more complex.
Disclosure of Invention
The invention aims to provide an automatic door lock of a dish washing machine and the dish washing machine, and aims to solve the problems that the existing dish washing machine is not ideal in drying effect and the door lock cannot be automatically opened.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic lock of dish washer, is including setting up the base on the dish washer body, sets up drive assembly on the base, be located around the drive assembly both sides and by link assembly and the push rod assembly of drive assembly simultaneous drive removal, link assembly is connected with two lockpins that the symmetry set up and can reset, the push rod assembly drive is connected with at least one ejector pin that has the function of resetting, when drive assembly drive link assembly and push rod assembly removed, link assembly drive lockpin remove with the dish washer door locking between the body lock, push rod assembly drive ejector pin is with the door body back-open of dish washer.
Preferably, the push rod assembly comprises a push rod connected to the driving assembly, and rotatable triggers symmetrically arranged at the front end of the push rod, and the other ends of the triggers are buckled with the ejector rod and supported by an elastic supporting piece; when the driving assembly drives the push rod to move, the push rod pushes the trigger to rotate and is separated from the ejector rod, and the ejector rod jacks the door body of the dish washing machine.
Preferably, the ejector rod is sleeved with a first spring, and when the ejector rod is buckled with a trigger, the ejector rod compresses the first spring.
Preferably, the outer side of one end of the trigger buckled with the ejector rod is provided with a first inclined plane, the outer side of one end of the ejector rod buckled with the trigger is provided with a second inclined plane matched with the first inclined plane, and when the ejector rod moves towards the trigger, the ejector rod crosses the trigger through the matching of the second inclined plane and the first inclined plane and is buckled with the trigger.
Preferably, a pressure spring is arranged above the trigger and used for resetting the trigger when the ejector rod passes over the trigger.
Preferably, the connecting rod assembly comprises connecting rods which are symmetrically arranged, one ends of the connecting rods are rotatably connected with the driving assembly, the other ends of the connecting rods are rotatably connected with the lock pins, when the driving assembly drives the connecting rods to move, the two lock pins are driven by the connecting rods to be close to each other, and the locking between the lock pins and a lock on a door body of the dish washing machine is released.
Preferably, a second spring is arranged between the two lock pins for resetting the two lock pins.
Preferably, the driving assembly comprises an electromagnet arranged on the base, and an electromagnetic push-pull rod which is arranged in the electromagnet in a penetrating manner and driven by the electromagnet to move, and two ends of the electromagnetic push-pull rod are respectively connected to the connecting rod assembly and the push rod assembly.
Preferably, sliding grooves are formed in two sides of the base, and the ejector rods are slidably arranged in the sliding grooves.
The invention also provides a dishwasher, which comprises the automatic door lock of the dishwasher.
Through the structure, when the dishwasher is dried, the connecting rod assembly and the push rod assembly are driven to move through the driving assembly, the connecting rod assembly drives the lock pin to unlock the lock on the dishwasher door body, and the push rod assembly drives the ejector rod to push the dishwasher door body open, so that the dishwasher door body can be automatically opened.
Drawings
FIG. 1 is a schematic perspective view of an automatic door lock of a dishwasher according to the present invention;
FIG. 2 is a top view of the automatic door lock of the dishwasher of the present invention;
FIG. 3 is a schematic view of the automatic door lock of the dishwasher of the present invention showing a locking pin;
FIG. 4 is an enlarged schematic view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic structural view of an automatic door lock trigger of the dishwasher according to the present invention;
FIG. 6 is a schematic structural diagram of an automatic door lock mandril of the dishwasher of the invention.
In the figure:
1. a base; 2. a drive assembly; 3. a connecting rod assembly; 4. a push rod assembly; 5. a lock pin; 6. a top rod; 7. locking; 8. a first spring; 9. a second spring; 11. a chute; 12. a column; 13. a support; 21. an electromagnet; 22. an electromagnetic push-pull rod; 31. a connecting rod; 41. a push rod; 42. a trigger; 43. a third spring; 44. a pressure spring; 61. a second inclined plane; 62. a step; 63. buckling; 421. a first inclined plane; 422. a hook is clamped; 423. and a support pillar.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides an automatic door lock of a dishwasher, which comprises a base 1, a driving assembly 2, a connecting rod assembly 3, a push rod assembly 4, a lock pin 5 and a push rod 6, wherein as shown in figures 1 to 3:
the base 1 is arranged on the body (not shown in the figure) of the dishwasher, and the driving component 2, the connecting rod component 3, the push rod component 4, the lock pin 5 and the ejector rod 6 are all arranged on the base 1.
The connecting rod assembly 3 and the push rod assembly 4 are arranged on the front side and the rear side of the driving assembly 2 and are driven by the driving assembly 2 to move simultaneously, and the two lock pins 5 are symmetrically connected to the connecting rod assembly 3 and are buckled and locked with a lock 7 on a door body (not shown in the figure) of the dishwasher. When the driving assembly 2 drives the connecting rod assembly 3 to move, the connecting rod assembly 3 drives the lock pin 5 to unlock the lock 7 on the dishwasher door body, and at the moment, the lock between the dishwasher door body and the dishwasher body is unlocked. Further, a second spring 9 is provided between the two lock pins 5 for restoring the two lock pins 5, that is, when the lock pins 5 are unlocked from the lock 7 and the lock pins 5 are withdrawn from the lock 7 and are not actuated any more, the second spring 9 restores the lock pins 5.
The push rod assembly 4 is connected with at least one ejector rod 6 in a driving mode, when the drive assembly 2 drives the push rod assembly 4 to move, the push rod assembly 4 drives the ejector rod 6 to eject the door body of the dish washing machine, namely when the locking between the lock pin 5 and the lock 7 is released, the ejector rod 6 ejects the door body of the dish washing machine, and at the moment, the lock pin 5 is separated from the lock 7. In this embodiment, the two ejector rods 6 are symmetrically disposed on two sides of the push rod assembly 4.
Specifically, this embodiment is equipped with spout 11 in base 1 both sides, above-mentioned ejector pin 6 slidable arranges in spout 11, and be equipped with step 62 on ejector pin 6, be equipped with first spring 8 between step 62 and spout 11, this first spring 8 cover is established on ejector pin 6, through this first spring 8's setting, before the locking is relieved between lockpin 5 and the lock 7, above-mentioned first spring 8 is in compression state, when the locking is relieved between lockpin 5 and the lock 7, ejector pin 6 can pop out under first spring 8's effect, and open dishwasher door body, the automation of dishwasher door has just also been realized opening, and then improved dishwasher's drying efficiency and drying effect.
In this embodiment, the driving assembly 2 includes an electromagnet 21 installed on the base 1, and an electromagnetic push-pull rod 22 penetrating the electromagnet 21 and driven by the electromagnet 21 to move, two ends of the electromagnetic push-pull rod 22 are respectively connected to the connecting rod assembly 3 and the push rod assembly 4, when the electromagnet 21 is powered on, the electromagnetic push-pull rod 22 moves forward (i.e. moves in a direction close to the lock pin 5), and at this time, the electromagnetic push-pull rod 22 drives the connecting rod assembly 3 and the push rod assembly 4 to move simultaneously, so that the lock pin 5 is unlocked from the lock 7, and the top rod 6 can push the door of the dishwasher open.
In this embodiment, as shown in fig. 3, the push rod assembly 4 includes a push rod 41 connected to one end of the electromagnetic push-pull rod 22, the push rod 41 is in a U-shaped structure, and a middle portion thereof is connected to one end of the electromagnetic push-pull rod 22. Rotatable triggers 42 are provided at both side front ends of the push rod 41, and the two triggers 42 are symmetrically provided. In this embodiment, as shown in fig. 4, an upright post 12 is disposed on the base 1, the middle portion of the trigger 42 is rotatably sleeved on the upright post 12, one end of the trigger 42 is disposed at the front end of the push rod 41, the other end of the trigger 42 is disposed with a hook 422, which is fastened with a buckle 63 at the end of the push rod 6, when the lock pin 5 and the lock 7 are in a locked state, the hook 422 of the trigger 42 is fastened with the buckle 63 of the push rod 6, so as to prevent the first spring 8 from applying an elastic force to the push rod 6 when the door does not need to be opened, which causes the door to be accidentally pushed open, i.e., the hook 422 and the buckle 63 can control the release of the elastic force of the first. In this embodiment, the outer side of the trigger 42 is supported by an elastic supporting member, specifically, the base 1 is provided with the support 13, the outer side of the trigger 42 is provided with the support column 423, a third spring 43 sleeved on the support column 423 is arranged between the support 13 and the outer side of the trigger 42, and the elastic supporting member is the third spring 43, in this embodiment, the third spring 43 is always in a compressed state, and through the third spring 43, when the hook 422 and the buckle 63 are buckled, the third spring 43 can apply an elastic force to the trigger 42, so as to support the trigger 42, thereby preventing the trigger 42 from rotating, and the push rod 6 accidentally pushes open the door body of the dishwasher.
In the embodiment, when the door body of the dishwasher needs to be opened, the electromagnet 21 is electrified, the electromagnetic push-pull rod 22 drives the push rod 41 to move towards the trigger 42 and push the trigger 42 to rotate, at the moment, the hook 422 of the trigger 42 is separated from the buckle 63 of the ejector rod 6, the ejector rod 6 pushes the door body open under the action of the first spring 8, and the automatic opening of the door body is realized.
Referring to fig. 1 and 2, the connecting rod assembly 3 includes connecting rods 31 symmetrically arranged and having one end rotatably connected to the electromagnetic push-pull rod 22 of the driving assembly 2, and the other ends of the two connecting rods 31 are rotatably connected to one of the locking pins 5, specifically, the two connecting rods 31 are arranged in a V-shape, one end of the two locking pins 5 connected to the connecting rods 31 is also arranged in a V-shape, and the two V-shaped openings are opposite to each other, and with the above structure, when the electromagnetic push-pull rod 22 of the driving assembly 2 drives the connecting rods 31 to move, the two locking pins 5 are driven by the connecting rods 31 to move close each other, and the locking with the lock 7 is released.
In the embodiment, when the dishwasher is used for drying, the door body of the dishwasher is in a closed state at the moment, and the first spring 8 at the ejector rod 6 is in a compressed state. By electrifying the electromagnet 21 of the driving assembly 2, the electromagnet 21 drives the electromagnetic push-pull rod 22 to move towards the lock pin 5, at the moment, the electromagnetic push-pull rod 22 drives the connecting rod 31 to move, the connecting rod 31 drives the two lock pins 5 to approach each other, the lock between the two lock pins 5 is released, and at the moment, the second spring 9 between the two lock pins 5 is compressed.
Meanwhile, the electromagnetic push-pull rod 22 drives the push rod 41 to move towards the trigger 42 and pushes the trigger 42 to rotate, the hook 422 of the trigger 42 is separated from the buckle 63 of the push rod 6, the push rod 6 pushes the door body open under the action of the first spring 8, at the moment, the third spring 43 is in a compressed state, and the lock pin 5 is separated from the lock 7.
When the door body of dish washer is closed to needs, close the door body to the dish washer body, this in-process again, the door body removes ejector pin 6 drive to trigger 42 direction, because electro-magnet 21 is switching on electricity this moment, ejector pin 6 can directly be driven by the door body and remove to the position of its buckle 63 and buckle 422 looks lock, later with electro-magnet 21 outage, trigger 42 can reset under the effect of third spring 43, buckle 422 on it then with buckle 63 lock each other, with the position locking of ejector pin 6, first spring 8 is in compression state this moment. Meanwhile, the lock pin 5 is inserted into the lock 7 with the closing of the door body, and after the electromagnet 21 is powered off, the lock pin 5 is restored under the action of the second spring 9, namely, the lock pin 5 and the lock 7 are in a locked state.
In this embodiment, in order to avoid the influence of the too high frequency of the driving assembly 2 on the service life of the driving assembly, when the door is closed and locked, the position of the ejector 6 and the locking between the lock pin 5 and the lock 7 can be locked by the following structure, specifically, as shown in fig. 4-6, a first inclined surface 421 is disposed on the outer side of one end where the trigger 42 and the ejector 6 are fastened, a second inclined surface 61 matched with the first inclined surface 421 is disposed on the outer side of one end where the ejector 6 and the trigger 42 are fastened, when the door drives the ejector 6 to move toward the trigger 42, the front end of the ejector 6 can pass over the trigger 42 through the matching of the second inclined surface 61 and the first inclined surface 421, and the hook 422 on the ejector 6 can be fastened with the buckle 63 on the trigger 42. That is, by the arrangement of the first inclined surface 421 and the second inclined surface 61, when the door body needs to be closed, the trigger 42 can be moved out of the position where the push rod 6 moves without the electromagnet 21 being energized, and the push rod 6 can be engaged with the trigger 42. That is, the electromagnet 21 can only be used when the door is opened, and can not be used when the door is closed, so that the use frequency of the electromagnet 21 is reduced, and the service life of the driving assembly 2 is prolonged.
In this embodiment, the first inclined surface 421 is disposed upward, the second inclined surface 61 is disposed downward, when the push rod 6 moves toward one end of the trigger 42, and after the first inclined surface 421 contacts the second inclined surface 61, the push rod 6 will push up the trigger 42, and then go over the trigger 42, at this time, the trigger 42 needs external force to return to the original position, for the above reasons, in this embodiment, the compression spring 44 is disposed above the trigger 42, the compression spring 44 is compressed when the trigger 42 is pushed up by the push rod 6, and when the push rod 6 goes over the trigger 42, the compression spring 44 will reset the trigger 42.
The invention also provides a dish washing machine, which comprises the automatic door lock of the dish washing machine, realizes the automatic opening of the dish washing machine door body, has stable and reliable structure, can effectively improve the drying efficiency and the drying effect of the dish washing machine, and has the characteristics of simple structure, convenient assembly and high action reliability.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The automatic door lock of the dishwasher is characterized by comprising a base (1) arranged on a dishwasher body, a driving assembly (2) arranged on the base (1), a connecting rod assembly (3) and a push rod assembly (4) which are positioned on the front side and the rear side of the driving assembly (2) and driven by the driving assembly (2) to move simultaneously, wherein the connecting rod assembly (3) is connected with two symmetrically arranged and resettable lock pins (5), the push rod assembly (4) is connected with at least one ejector rod (6) with a resetting function in a driving manner, when the driving assembly (2) drives the connecting rod assembly (3) and the push rod assembly (4) to move, the connecting rod assembly (3) drives the lock pins (5) to unlock locks (7) on the dishwasher door body, and the push rod assembly (4) drives the ejector rod (6) to jack the door body of the dishwasher;
the push rod assembly (4) comprises a push rod (41) connected to the driving assembly (2), and rotatable triggers (42) symmetrically arranged at the front end of the push rod (41), wherein the other end of each trigger (42) is buckled with the ejector rod (6) and supported by an elastic supporting piece; when the driving assembly (2) drives the push rod (41) to move, the push rod (41) pushes the trigger (42) to rotate and is separated from the ejector rod (6), and the ejector rod (6) jacks up a door body of the dishwasher.
2. The automatic door lock of a dishwasher according to claim 1, characterized in that the tappet (6) is provided with a first spring (8), the tappet (6) compressing the first spring (8) when the tappet (6) is engaged with the trigger (42).
3. The automatic door lock of a dishwasher according to claim 2, wherein a first inclined surface (421) is provided on the outer side of one end of the trigger (42) fastened to the push rod (6), a second inclined surface (61) fitted with the first inclined surface (421) is provided on the outer side of one end of the push rod (6) fastened to the trigger (42), and when the push rod (6) moves in the direction of the trigger (42), the second inclined surface (61) cooperates with the first inclined surface (421) to pass over the trigger (42) and fasten to the trigger (42).
4. The automatic door lock of a dishwasher according to claim 3, characterized in that a compression spring (43) is arranged above the trigger (42) for resetting the trigger (42) when the push rod (6) passes the trigger (42).
5. The automatic door lock of the dishwasher according to claim 1, wherein the connecting rod assembly (3) comprises connecting rods (31) which are symmetrically arranged and one ends of which are rotatably connected with the driving assembly (2), the other ends of the connecting rods (31) are rotatably connected with the lock pins (5), when the driving assembly (2) drives the connecting rods (31) to move, the two lock pins (5) are driven by the connecting rods (31) to be close to each other, and the lock between the two lock pins and the lock (7) on the door body of the dishwasher is released.
6. The automatic door lock of a dishwasher according to claim 5, characterized in that a second spring (9) is provided between the two locking pins (5) for resetting the two locking pins (5).
7. The automatic door lock of a dishwasher according to claim 1, wherein the driving assembly (2) comprises an electromagnet (21) mounted on the base (1), and an electromagnetic push-pull rod (22) inserted into the electromagnet (21) and driven by the electromagnet (21) to move, wherein both ends of the electromagnetic push-pull rod (22) are respectively connected to the connecting rod assembly (3) and the push rod assembly (4).
8. The automatic door lock of a dishwasher according to claim 1, characterized in that the base (1) is provided with sliding grooves (11) on both sides, and the top bar (6) is slidably arranged in the sliding grooves (11).
9. A dishwasher, comprising an automatic door lock for a dishwasher according to any one of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710196677.0A CN108661454B (en) | 2017-03-29 | 2017-03-29 | Automatic door lock of dish washing machine and dish washing machine |
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CN201710196677.0A CN108661454B (en) | 2017-03-29 | 2017-03-29 | Automatic door lock of dish washing machine and dish washing machine |
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CN108661454A CN108661454A (en) | 2018-10-16 |
CN108661454B true CN108661454B (en) | 2021-04-13 |
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CN201710196677.0A Active CN108661454B (en) | 2017-03-29 | 2017-03-29 | Automatic door lock of dish washing machine and dish washing machine |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111759251A (en) * | 2020-06-02 | 2020-10-13 | 海信(广东)厨卫***有限公司 | Dish washing machine |
DE102021104747A1 (en) * | 2021-02-26 | 2022-09-01 | Emz-Hanauer Gmbh & Co. Kgaa | Household appliance with locking and opening function for a door of the household appliance |
CN114321171B (en) * | 2021-12-24 | 2024-07-19 | 兰州飞行控制有限责任公司 | Self-locking release sliding rail mechanism |
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CN102641105A (en) * | 2011-02-18 | 2012-08-22 | emz-汉拿两合有限公司 | Door lock of dishwasher |
KR101310179B1 (en) * | 2012-08-31 | 2013-09-23 | 두얼메카닉스 주식회사 | Door lock apparatus |
CN104727664A (en) * | 2014-02-14 | 2015-06-24 | 美的集团股份有限公司 | Door lock mechanism and dish washing machine |
CN105220966A (en) * | 2015-09-25 | 2016-01-06 | 广东格兰仕集团有限公司 | A kind of automatic door lock of dish-washing machine |
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2017
- 2017-03-29 CN CN201710196677.0A patent/CN108661454B/en active Active
Patent Citations (5)
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CN102641105A (en) * | 2011-02-18 | 2012-08-22 | emz-汉拿两合有限公司 | Door lock of dishwasher |
PL398144A1 (en) * | 2011-02-18 | 2012-08-27 | Emz-Hanauer Gmbh & Co.Kgaa | Lock of a dishwasher door |
KR101310179B1 (en) * | 2012-08-31 | 2013-09-23 | 두얼메카닉스 주식회사 | Door lock apparatus |
CN104727664A (en) * | 2014-02-14 | 2015-06-24 | 美的集团股份有限公司 | Door lock mechanism and dish washing machine |
CN105220966A (en) * | 2015-09-25 | 2016-01-06 | 广东格兰仕集团有限公司 | A kind of automatic door lock of dish-washing machine |
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