CN108661455B - 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 PDF

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Publication number
CN108661455B
CN108661455B CN201710196816.XA CN201710196816A CN108661455B CN 108661455 B CN108661455 B CN 108661455B CN 201710196816 A CN201710196816 A CN 201710196816A CN 108661455 B CN108661455 B CN 108661455B
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China
Prior art keywords
lock
rack
automatic door
door lock
limiting
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CN201710196816.XA
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Chinese (zh)
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CN108661455A (en
Inventor
李鹏斌
杨林
王大伟
滕文超
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Qingdao Haier Dishwasher Co Ltd
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Qingdao Haier Dishwasher Co Ltd
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Priority to CN201710196816.XA priority Critical patent/CN108661455B/en
Publication of CN108661455A publication Critical patent/CN108661455A/en
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Publication of CN108661455B publication Critical patent/CN108661455B/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4251Details of the casing
    • A47L15/4257Details of the loading door
    • A47L15/4259Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06Controlling mechanically-operated bolts by electro-magnetically-operated detents

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  • Washing And Drying Of Tableware (AREA)

Abstract

The invention relates to an automatic door lock of a dish washing machine and the dish washing machine, which comprises an automatic lock head arranged on an inner container of the dish washing machine and a lock catch arranged on a door body, wherein the automatic lock head comprises a rack and a lock head, a limiting mechanism, a releasing mechanism and a pushing mechanism are arranged in the rack, the limiting mechanism is used for limiting the normal work of the pushing mechanism and the releasing mechanism, the pushing mechanism can drive the releasing mechanism to open the lock head, and the pushing mechanism is also used for pushing the door body to realize the separation of the door body and the inner container. According to the invention, the limiting mechanism is used for limiting the push-out mechanism to drive the release mechanism to move, and the push-out mechanism drives the release mechanism to open the lock head, so that the dish-washing machine door lock can be automatically opened by the cooperative work of the mechanisms, and the dish-washing machine can meet the drying requirement by applying less heat in the drying process. Meanwhile, the automatic door lock provided by the invention is simple in structure and easy to disassemble and maintain.

Description

Automatic door lock of dish washing machine and dish washing machine
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
In the washing and drying process of the existing dish washing machine, hot steam in the inner container needs to be quickly discharged out of the dish washing machine after the door body of the dish washing machine is pushed out, so that the drying rate of tableware is improved. Less heat is applied in the drying process to meet the drying requirement, and therefore, the energy of the whole machine is saved. In order to realize automatic pushing of a door body of a dishwasher, an automatic door lock appears in the prior art, and the door lock can realize the function of automatically pushing the door body, but the pushing door body mechanism and the locking mechanism in the door lock in the prior art are independently arranged, so that no cooperation relation exists, the operation of other mechanisms cannot be influenced when any mechanism goes wrong, and the structure of the automatic door lock is also complex.
Because the push-open door body mechanism and the locking mechanism do not have a cooperative working relationship, the other mechanism is still in a working state after one mechanism fails, and a user cannot find that the automatic door lock fails to influence the use effect.
Therefore, how to provide an automatic door lock of a dishwasher, which can solve the technical problems that the structure of the automatic door lock is complex, and the mechanisms of the automatic door lock cannot work cooperatively in the prior art, and the technical problems need to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide an automatic door lock of a dish washing machine, which can solve the problems that the structure of the automatic door lock is complex and all mechanisms of the automatic door lock cannot work cooperatively in the prior art. In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic lock of dish washer, including setting up automatic tapered end and the hasp of setting on the door body on the dish washer inner bag, automatic tapered end includes frame and tapered end, be provided with stop gear, release mechanism and release mechanism in the frame, stop gear is used for restricting release mechanism and normally works, release mechanism can drive release mechanism will the tapered end is opened, release mechanism still is used for promoting the door body in order to realize the separation of the door body and inner bag.
According to the invention, the limiting mechanism is used for limiting the push-out mechanism to drive the release mechanism to move, and the push-out mechanism drives the release mechanism to open the lock head, so that the dish-washing machine door lock can be automatically opened by the cooperative work of the mechanisms, and the dish-washing machine can meet the drying requirement by applying less heat in the drying process. Meanwhile, the automatic door lock provided by the invention is simple in structure and easy to disassemble and maintain.
Preferably, the releasing mechanism comprises a pressing mechanism and a gear, the pressing mechanism is arranged on the rack and is coaxial with the gear, and the pressing mechanism can press or release the lock head along with the rotation of the gear.
The purpose of setting the mechanism that pushes down is in order to close the tapered end, and the tapered end sets up in the frame according to lever principle, and the non-closed end of tapered end can make closed end closed under the circumstances of being pressed for lock catch locking in the enclosure space that the tapered end formed, the mechanism that pushes down rises simultaneously and can open the tapered end, makes this dish washer lock opened.
Preferably, the pushing-out mechanism comprises a first push rod, a rack meshed with a gear and a second push rod, wherein one end of the rack is connected with the first push rod, and the other end of the rack is connected with the second push rod; one end of the first push rod, which is connected with the rack, penetrates through the rack, and a first recovery mechanism is sleeved on the part of the first push rod, which penetrates through the rack.
Preferably, the lock head comprises an upper lock head fixedly arranged on the rack and a lower lock head rotatably arranged on the rack, the upper part of one end, far away from the lock catch, of the lower lock head is provided with the pressing mechanism, and the end, far away from the lock catch, of the lower lock head is further provided with a second recovery mechanism.
The purpose that sets up the rack is that first push rod promotes push rod and rack under the effect of first recovery mechanism, and then can drive gear revolve, because gear revolve can drive the axle rotation that bears the weight of the gear, and then pushing down the mechanism and also can rotate along with the axle, pushing down the mechanism rotation and then can make the pressure that the tapered end received reduce gradually, can open the tapered end under the effect of second recovery mechanism. Meanwhile, the door body is opened by the second push rod, and the purpose that the door body of the dish washing machine is automatically opened can be achieved.
Preferably, the limiting mechanism comprises a limiting block arranged on the side wall of the rack and a locking pin penetrating through the rack and located on one side, close to the door body, of the limiting block, one end, not extending into the rack, of the locking pin is connected with a push-pull mechanism, and the locking pin is used for limiting the rack to move.
The limiting mechanism specifically comprises a limiting block and a locking pin, the locking pin is limited to penetrate through the rack and be located on one side, close to the door body, of the limiting block, the door lock can not be limited by the locking pin when being opened due to the structure, and meanwhile the door body can be prevented from being opened easily due to the effect of the first recovery mechanism under the closing state.
Preferably, the first restoring mechanism is a spring, and the second restoring mechanism is a torsion spring; one end of the torsion spring is connected with the lower lock head, and the other end of the torsion spring is connected with the rack.
Preferably, the pressing mechanism is a cam, the cam is coaxial with the gear, and the cam and the gear are rotatably fixed on the frame.
The cam is used for pushing down the lock head, and then the lock head can be released or pushed down in the process of gear rotation, the structure is simple, and meanwhile, the structure can work simultaneously along with the release mechanism, so that the mechanisms work cooperatively, and the structure is a mechanical structure rather than an electric control structure, so that the problem that the door lock cannot be opened due to the fact that the action of a certain mechanical structure lags in the using process can be avoided.
Preferably, the push-pull mechanism is an electromagnet, and the locking pin can be attracted by the push-pull mechanism to release the push-out mechanism.
The arrangement of the push-out mechanism can ensure that the locking pin plays a limiting role in the working state, and the push-out mechanism works normally in the non-working state without influencing the work of other parts.
Preferably, the push-pull mechanism is an air cylinder, and one end, which does not extend into the rack, of the locking pin is connected with an air cylinder rod of the air cylinder.
The push-out mechanism is arranged as the cylinder, so that the cost can be saved, and the limit of the locking pin and the normal work of the release mechanism can be realized without particularly arranging the push-out mechanism.
The dishwasher comprises the automatic door lock of the dishwasher.
The dishwasher provided by the invention can automatically open the door body during a dish washing and drying procedure, and can manually close the door body, when the automatic door lock breaks down, a user can find the fault in time, the fault is solved in time, and the normal work of the dishwasher is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an automatic door lock of a dishwasher according to the present invention;
FIG. 2 is a schematic structural diagram of an automatic door lock of a dishwasher provided by the present invention without a frame;
FIG. 3 is a top view of the automatic door lock of the dishwasher provided in the present invention;
fig. 4 is a schematic structural view of a lower lock head of the automatic door lock of the dishwasher provided by the invention.
In the figure:
1. locking; 2. a frame; 3. a pressing mechanism; 4. a gear; 5. a first push rod; 6. a rack; 7. a second push rod; 8. an upper lock head; 9. a lower lock head; 91. a working part; 92. a pressing part; 93. a deformation section; 94. rotating the hole; 10. a first restoring mechanism; 11. a second recovery mechanism; 12. a limiting block; 13. a locking pin; 14. a push-pull mechanism; 15. and rotating the shaft.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
The embodiment provides an automatic door lock of a dishwasher, which can realize the structural cooperative work among the automatic door locks, and when any one of the parts breaks down, the door lock cannot be automatically opened. As shown in fig. 1, the automatic door lock comprises an automatic lock head arranged on a dishwasher liner and a lock catch 1 arranged on a door body, wherein the automatic lock head can automatically open the door body during a drying procedure, the automatic lock head comprises a frame 2 and a lock head, a limiting mechanism, a releasing mechanism and a pushing mechanism are arranged in the frame 2, the limiting mechanism is used for limiting the normal work of the pushing mechanism and the releasing mechanism, the pushing mechanism can drive the releasing mechanism to open the lock head during the work, and meanwhile, the pushing mechanism is also used for pushing the door body to separate the door body from the liner.
The releasing mechanism includes a pressing mechanism 3 and a gear 4 disposed on the frame 2, the pressing mechanism 3 and the gear 4 are disposed coaxially, and the pressing mechanism 3 can press or release the lock head with the rotation of the gear 4, as shown in fig. 1-3, in this embodiment, the pressing mechanism 3 and the gear 4 are disposed on the rotating shaft 15 at the same time, wherein two ends of the rotating shaft 15 are rotatably disposed on the frame 2.
The pushing mechanism comprises a first push rod 5, a rack 6 meshed with the gear 4 and a second push rod 7, wherein one end of the rack 6 is connected with the first push rod 5, and the other end of the rack 6 is connected with the second push rod 7; one end of the first push rod 5 connected with the rack 6 penetrates through the rack 2, and a first recovery mechanism 10 is sleeved on the part of the first push rod 5 penetrating through the rack 2. The first push rod 5 is matched with the first recovery mechanism 10 to push out the whole push-out mechanism, when the first push rod 5 is pushed by the first recovery mechanism 10, the rack 6 also moves along with the first push rod 5, the gear 4 meshed with the rack 6 rotates along with the movement of the rack 6, and as the gear 4 and the pressing mechanism 3 are both arranged on the rotating shaft 15, the pressing mechanism 3 also rotates along with the rotating shaft 15 to release the lock head. It should be noted that when the lock is locked, the pressing mechanism 3 is in a state of pressing the lock, and when the lock is in an open state, the pressing mechanism 3 is in a state of not pressing the lock.
The lock head comprises an upper lock head 8 fixedly arranged on the frame 2 and a lower lock head 9 rotatably arranged on the frame 2; as shown in fig. 2, the upper lock 8 is fixedly disposed on the frame 2, and the lower lock 9 is provided with a pressing mechanism 3 at an upper portion of an end thereof away from the lock 1, and a second restoring mechanism 11 is further provided at an end of the lower lock 9 away from the lock 1. The second recovery mechanism 11 is a torsion spring, one end of the torsion spring is connected with the lower lock head 9, the other end of the torsion spring is connected with the frame 2, and the torsion spring and other components are fixedly connected in the embodiment. The pressing mechanism 3 is a cam in the embodiment, the cam is coaxial with the gear 4, and the cam and the gear 4 are rotatably fixed on the frame 2. The torsional spring is in elastic deformation state under the closed condition of the dishwasher door body, and when the lower tapered end 9 is released by the pressing mechanism 3, the torsional spring can deform under the action of restoring force, so that the lower tapered end 9 can be driven to overturn downwards, and the purpose of separating the upper tapered end 8 from the lower tapered end 9 is achieved.
As shown in fig. 4, the lower lock head 9 specifically includes an operating portion 91 engaged with the upper lock head 8, a pressing portion 92 pressed by the pressing mechanism 3, and a deformation portion 93 connecting the operating portion 91 and the pressing portion 92, wherein the deformation portion 93 can artificially attach the latch 1 from the upper lock head 8 to the operating portion 91 in the operating state of the release mechanism, so that the automatic door lock can be opened even in the non-operating state of the dishwasher. The material of the deformation portion 93 is an elastic material, and may be rubber or a spring. One end of the pressing part 92 close to the deformation part is provided with a rotating hole 94, the pressing part is rotatably arranged on the rack 2, and specifically, the pressing part is connected through a pin shaft, and meanwhile, the pin shaft and the rack 2 are integrally formed; the specific structure or material of the deformation portion 93 is not limited in this embodiment, as long as the desired result of manually opening the dishwasher door (i.e., opening the door) can be achieved.
As shown in fig. 2, the limiting mechanism includes a limiting block 12 disposed on a side wall of the rack 6, and a locking pin 13 penetrating through the rack 2 and located on one side of the limiting block 12 close to the door body, one end of the locking pin 13 not extending into the rack 2 is connected with a push-pull mechanism 14, and the locking pin 13 is used for limiting the rack 6 to move. It should be noted that one side of the locking pin 13 close to the limiting block 12 and one side of the limiting block 12 close to the locking pin 13 are both bevel edge structures, or it can be considered that the limiting block 12 and the locking pin 13 are both trapezoidal structures or wedge structures, the structures can make the limiting block 12 and the locking pin 13 slide and stagger when the dishwasher door body is manually closed, the limiting block 12 and the locking pin 13 to be described are made of non-rigid materials, and thus it can be ensured that the limiting block 12 can slide over the locking pin 13 when the oblique side surface of the limiting block 12 contacts with the oblique side surface of the locking pin 13.
The push-pull mechanism 14 is an electromagnet, and the lock pin 13 is attracted by the push-pull mechanism 14 to release the push-pull mechanism. When the electromagnet is electrified, the locking pin 13 can be adsorbed to enable the limiting block 12 to smoothly slide along with the rack 6. Of course, in other embodiments, the push-pull mechanism 14 may be an air cylinder, and the end of the locking pin 13 that does not extend into the frame 2 is connected to the rod of the air cylinder. The expansion and contraction of the cylinder rod drives the locking pin 13 to work.
The automatic door lock of the dishwasher is used as follows:
taking the push-pull mechanism as an electromagnet as an example, after the push-pull mechanism is powered on, the locking pin 13 is adsorbed, so that the locking pin 13 moves to one side far away from the rack 2, at this time, the limiting block 12 in contact with the locking pin 13 disappears due to the resistance applied in the axial direction of the first push rod 5, at this time, the first recovery mechanism 10 recovers deformation, and drives the first push rod 5, the rack 6 and the second push rod to move towards the door body, because rack and gear engagement, gear revolve drives the cam and rotates, because the second recovery mechanism 11 of being connected with lower tapered end 9 is in the deformation state, the cam reduces the downforce to lower tapered end 9 gradually and makes second recovery mechanism 11 resume deformation, drive down the splenium 92 rebound of tapered end 9, make work portion 91 and last tapered end 8 separation, hasp 1 sets up on the door body, second push rod 7 promotes the door body and can drive hasp 1 and tapered end separation, the automatic opening of dish washer lock this moment.
When a user manually closes the door lock, the second push rod 7 is pushed to enable the rack to move again, at the moment, the gear 4 also rotates along with the rack to enable the cam to rotate, the pressing part 92 of the lower lock head is pressed again, and at the moment, the pressing part 92 can rotate downwards; because the side that locking round pin 13 and stopper 12 contacted is the oblique side, and then can make the two slide and stagger, make stopper 12 spacing by locking round pin 13 once more. At this time, the first restoring mechanism 10 and the second restoring mechanism 11 are both in a deformed state, and at this time, the door lock of the dishwasher is closed.
The embodiment also provides a dishwasher, which comprises the automatic door lock of the dishwasher provided by the embodiment.
This kind of dish washer can be opened the door body is automatic when the drying program washes the dishes, and the people is simultaneously closed the door body for the people, when changing automatic door lock and breaking down, can make the user in time discover, in time solves the trouble, guarantees that dish washer normally works.
It is noted that the foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (9)

1. An automatic door lock of a dish washing machine is characterized by comprising an automatic lock head arranged on a dish washing machine inner container and a lock catch (1) arranged on a door body, wherein the automatic lock head comprises a rack (2) and a lock head, a limiting mechanism, a releasing mechanism and a pushing mechanism are arranged in the rack (2), the limiting mechanism is used for limiting the normal work of the pushing mechanism and the releasing mechanism, the pushing mechanism can drive the releasing mechanism to open the lock head, and the pushing mechanism is also used for pushing the door body to separate the door body from the inner container;
the release mechanism comprises a pressing mechanism (3) and a gear (4) which are arranged on the rack (2), wherein the pressing mechanism (3) and the gear (4) are coaxially arranged, and the pressing mechanism (3) can rotate along with the gear (4) to press down or release the lock head.
2. The automatic door lock of a dishwasher according to claim 1, characterized in that the ejecting mechanism comprises a first push rod (5), a rack (6) engaged with a gear, a second push rod (7), one end of the rack (6) is connected with the first push rod (5), and the other end is connected with the second push rod (7); one end of the first push rod (5) connected with the rack (6) penetrates through the rack (2), and a first recovery mechanism (10) is sleeved on the part of the first push rod (5) penetrating through the rack (2).
3. The automatic door lock of a dishwasher according to claim 2, characterized in that the lock comprises an upper lock (8) fixedly arranged on the frame (2) and a lower lock (9) rotatably arranged on the frame (2), the upper part of one end of the lower lock (9) far away from the lock catch (1) is provided with the pressing mechanism (3), and the end of the lower lock (9) far away from the lock catch (1) is also provided with a second recovery mechanism (11).
4. The automatic door lock of the dishwasher according to claim 3, characterized in that the limiting mechanism comprises a limiting block (12) arranged on the side wall of the rack (6) and a locking pin (13) passing through the rack (2) and located on one side of the limiting block (12) close to the door body, one end of the locking pin (13) not extending into the rack (2) is connected with a push-pull mechanism (14), and the locking pin (13) is used for limiting the rack (6) to move.
5. The automatic door lock of a dishwasher according to claim 4, characterized in that said first return mechanism (10) is a spring and said second return mechanism (11) is a torsion spring; one end of the torsion spring is connected with the lower lock head (9), and the other end of the torsion spring is connected with the frame (2).
6. The automatic door lock of a dishwasher according to any one of claims 1 to 5, characterized in that the hold-down mechanism (3) is a cam which is coaxial with the toothed wheel (4) and the cam, toothed wheel (4) is rotatably fixed to the frame (2).
7. The automatic door lock of a dishwasher according to claim 4, characterized in that the push-pull mechanism (14) is an electromagnet, and the locking bolt (13) can be attracted by the push-pull mechanism (14) to release the ejection mechanism.
8. The automatic door lock of a dishwasher according to claim 4, characterized in that the push-pull mechanism (14) is a cylinder, and the end of the locking pin (13) which does not extend into the rack (2) is connected to the cylinder rod of the cylinder.
9. A dishwasher, characterized in that it comprises an automatic door lock of a dishwasher according to any one of claims 1 to 8.
CN201710196816.XA 2017-03-29 2017-03-29 Automatic door lock of dish washing machine and dish washing machine Active CN108661455B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN108661455B true CN108661455B (en) 2021-05-25

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CN110552561B (en) * 2019-10-11 2024-04-05 无锡市东舟船舶设备股份有限公司 Fire-proof A60 sliding door push rod connection release device
CN110946538B (en) * 2019-12-04 2021-07-27 佛山市顺德区美的洗涤电器制造有限公司 Door opener and dish washing machine

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WO2001018298A2 (en) * 1999-09-03 2001-03-15 T & P S.P.A. System for reducing the water hardness and control methods thereof
CN201810102U (en) * 2010-09-30 2011-04-27 宁波永发集团有限公司 Safe capable of automatically opening and closing door
DK2436864T3 (en) * 2011-10-26 2017-01-09 V-Zug Ag Automatic door lock for a domestic appliance
CN202489910U (en) * 2012-01-09 2012-10-17 海尔集团公司 Door lock unit and dish washer with same
US10392838B2 (en) * 2015-06-11 2019-08-27 Magna Closures Inc. Key cylinder release mechanism for vehicle closure latches, latch assembly therewith and method of mechanically releasing a vehicle closure latch
CN205012801U (en) * 2015-09-25 2016-02-03 广东格兰仕集团有限公司 Automatic door lock of dish washer

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