CN107245845A - A kind of door lock of washing machine - Google Patents

A kind of door lock of washing machine Download PDF

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Publication number
CN107245845A
CN107245845A CN201710682135.4A CN201710682135A CN107245845A CN 107245845 A CN107245845 A CN 107245845A CN 201710682135 A CN201710682135 A CN 201710682135A CN 107245845 A CN107245845 A CN 107245845A
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CN
China
Prior art keywords
lock
sliding block
tumbler
washing machine
peach heart
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710682135.4A
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Chinese (zh)
Other versions
CN107245845B (en
Inventor
王立孟
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.)
WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd
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Application filed by WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd filed Critical WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd
Priority to CN201710682135.4A priority Critical patent/CN107245845B/en
Publication of CN107245845A publication Critical patent/CN107245845A/en
Application granted granted Critical
Publication of CN107245845B publication Critical patent/CN107245845B/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The present invention provides a kind of door lock of washing machine, belong to door lock of washing machine technical field, including gate stop, lock housing, tumbler, tumbler return springs, lock, lock fit structure and lock unlocking structure, when closing door, gate stop inserts lock housing, and tumbler is driven by the gate stop, and lock fit structure guiding lock moves to lock latched position from lock reset position, keep off on the path turned round in tumbler, door of washing machine locking；Laundry is finished, electromagnetic driver drives lock to continue to move away from the direction of lock reset position by latching unlocking structure, so that lock is no longer kept off on the rotary path of tumbler, tumbler is turned round in the presence of tumbler return springs, gate stop is ejected out of described lock housing, door of washing machine unblock；The door lock of washing machine that the present invention is provided, is opened the door using electromagnetic driver, can outside door-plate without be provided for sliding door handle.

Description

A kind of door lock of washing machine
Technical field
The present invention relates to door lock of washing machine technical field, and in particular to a kind of door lock of washing machine.
Background technology
Door lock in automatic washing machine is used for the door closure for pinning washing machine, prevents clothing from throwing away the splashing with water, pulls open Handle on door closure, can open door of washing machine, and clothes to be washed is put into washing machine.
Chinese patent literature CN104805645A discloses a kind of door lock of washing machine, including tumbler, safe closing piece and lock Determine device, tumbler is arranged in lock housing and can rotated around connecting shaft, and tumbler has the joint portion combined with gate stop, is inserted in gate stop Tumbler is rotated under the action entered, and joint portion is combined with gate stop, while locking device locks tumbler, so that by gate stop Locking；Safe closing piece is promoted to act under the action that gate stop is extracted out, unlock locking of the device to tumbler, and tumbler is reverse Rotate, the combination of joint portion and gate stop is released, so as to release the locking to gate stop；, will with control device when washing machine works The safe closing piece locking, and the locking to safe closing piece is released after hours in washing machine；Such scheme, is filled by locking The action put can lock tumbler, so that gate stop is locked on tumbler, can be released by the action of safe closing piece Locking of the locking device to tumbler, so as to extract gate stop out tumbler, realizes the locking and unblock to gate stop.
But such scheme has following deficiency：1st, gate stop insertion moving block after, if want from moving block extract out need from Apply outside pulling force outdoors, this washing machine for not setting handle outside door of washing machine for some can not be used；In addition, promoting peace Unlock the locking of device after full closing piece action, and the frequent movement of safe closing piece influences its service life；2nd, control device solution After the locking to safe closing piece, moving block can not automatically terminate the locking to gate stop, in addition it is also necessary to which artificial draws from application outdoors Power.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome door lock rotational structure of the prior art to take out by gate stop Outside pulling force need to be applied when going out, the washing machine that this door lock rotational structure does not set handle outside some door of washing machine can not make With so that providing a kind of need not apply the door lock of washing machine of outside pulling force when gate stop is extracted out.
In order to solve the above technical problems, the present invention provides a kind of door lock of washing machine, it is characterised in that：Including：
Gate stop, is adapted to mount on washing machine gate；
Lock housing, is adapted to mount on washing machine body, with the lockhole inserted for the gate stop；
Tumbler, is installed in rotation in lock housing by connecting shaft, with the joint portion suitable for being combined with gate stop, is had Tumbler reset position and tumbler latched position；
Tumbler return springs, are connected with the tumbler, for tumbler described in flexible drive, can recover To the tumbler reset position；
When the gate stop inserts the lock housing, the tumbler is driven by the gate stop, is rotated from tumbler reset position To tumbler latched position, the joint portion follows the tumbler to turn to and combined with the gate stop；
The gate stop from the lock housing outwards extract out when, the tumbler is by the tumbler return springs and/or institute Gate stop driving is stated, tumbler reset position is turned to from tumbler latched position, the joint portion follows the tumbler to rotate Extremely separated with the gate stop；
Lock, with lock reset position and lock latched position；
Lock fit structure, is arranged on the tumbler, with the tumbler synchronous axial system；
Unlocking structure is latched, one end is connected with electromagnetic driver, the other end is connected with the lock；
When closing door, the gate stop inserts the lock housing, and the tumbler is driven by the gate stop, drives the locking to match somebody with somebody Close structure to rotate, the lock fit structure guiding lock moves to lock latched position from lock reset position, and gear exists On the path of the tumbler revolution, the tumbler can not be turned round, so that the gate stop is locked in the lock housing, be done washing Gate is locked；
Laundry is finished, and the electromagnetic driver action control washing machine is stopped, and passes through the lock unlocking structure band The dynamic lock continues to move away from the direction of the lock reset position so that the lock is no longer kept off to be rotated described On the rotary path of part, the tumbler is turned round in the presence of the tumbler return springs, by the gate stop from described Ejected in lock housing, door of washing machine unblock.
Preferably, the lock unlocking structure includes：
Lock slide is solved, is connected by the first attachment structure with the lock；
Slider-actuated structure is unlocked, one end is connected with the electromagnetic driver, the other end is connected with the solution lock slide, is used In by driving the solution lock slide, and then the driving screw-home movement unblock.
Preferably, first attachment structure includes：
U-shaped through hole, is arranged on the lock；
Post is driven, is arranged on the solution lock slide, and is inserted in the U-shaped through hole, passes through U-shaped through hole described in push-and-pull Side wall, drives the lock action.
Preferably, the unblock slider-actuated structure includes：
Unlock piece, one end is rotatably connected with the electromagnetic driver, and the other end has the first inclined-plane；
Second inclined-plane, is arranged on the solution lock slide, and relative with first inclined-plane；
Unlock piece return springs, one end is connected with the unlock piece, and the other end is connected with the electromagnetic driver, is used for Unlock piece described in flexible drive, makes first inclined-plane relative with second inclined-plane；
The electromagnetic driver is moved in the first direction, during control washing machine work, drives the unlock piece motion, described Unlock piece is rotated after the barrier effect by the solution lock slide, until crossing after the stop for solving lock slide, in the solution In the presence of latch fitting return springs, make first inclined-plane relative with second inclined-plane；
The electromagnetic driver is moved along second direction opposite to the first direction, and control washing machine is stopped When, the unlock piece motion is driven, now the unlock piece is not rotated, first inclined-plane and second inclined-plane sliding contact Until slipping, second inclined-plane is extruded by sliding, the unblock slide block movement unblock is promoted.
Preferably, in addition to lock position limiting structure, the lock position limiting structure moves to when washing machine works Stop described latch to the limited block latched position moved close to the lock reset position direction；It is stopped in washing machine When, move to and no longer stop described latch to the limited block reset position moved close to the lock reset position direction.
Preferably, the lock position limiting structure includes,
Limited block, for stopping to the lock；
Limited block driving structure, for driving the limited block in the limited block latched position and the spacing block reset Moved between position.
Preferably, the limited block driving structure includes,
Stopper slot, is arranged on the electromagnetic driver, with the 3rd inclined-plane being oppositely arranged and the 4th inclined-plane, described The distribution arrangement on three inclined-planes and the 4th inclined-plane is parallel with the moving direction of the limited block；
Limited block cylinder, is arranged on the limited block, inserts in the electromagnetic driver stopper slot, positioned at the described 3rd Between inclined-plane and the 4th inclined-plane；
When the electromagnetic driver is moved in the first direction, limited block cylinder described in the 4th slope driving makes described Limited block is moved to the limited block latched position；
The electromagnetic driver along second direction opposite to the first direction move when, the 3rd slope driving institute Limited block cylinder is stated, promotes the limited block to be moved to the limited block reset position.
Preferably, in addition to：
Guard bar, with the first end towards the tumbler, and second end relative with the first end, described second End is provided with limited post；
Spacing hole, it is relative with the limited post, it is arranged on the electromagnetic driver；
Guard bar return springs, one end is connected with the guard bar, for guard bar described in flexible drive, makes the limit Position post is inserted into inside the spacing hole；
When the gate stop is not inserted into the lock housing, the guard bar is in the presence of the guard bar return springs, institute State limited post to insert inside the spacing hole, the electromagnetic driver can not be moved back and forth；
During the gate stop insertion lock housing, the guard bar is promoted to overcome the elastic force of the guard bar return springs to move, The limited post is deviate from from the spacing hole, and the electromagnetic driver can be moved back and forth.
Preferably, in addition to, electromagnetic coil circuit trigger architecture；
When the gate stop is not inserted into the lock housing, the guard bar releases the drive to the electromagnetic coil circuit trigger architecture It is dynamic, disconnect the power supply circuit of the electromagnetic driver；
When the gate stop inserts the door lock of washing machine, the guard bar drives the electromagnetic coil circuit triggering contact, Connect the power supply circuit of the electromagnetic driver.
Preferably, the electromagnetic coil circuit trigger architecture includes：
Push rod, is connected, and driven with forming the electromagnetism with forming a wire of power supply circuit for the electromagnetic driver The contact of another wire of the power supply circuit of moving part is relative；
Groove is resetted, is arranged on the guard bar, the contact is arranged on the reset inside grooves, the push rod One end is adapted to slide into or skidded off the reset groove；
Top rod driving part, one end is connected with the push rod, for push rod described in flexible drive towards the reset groove Move in direction；
When the gate stop is not inserted into the lock housing, one end of the push rod is not relative with the reset groove, the push rod One end can not insert reset inside grooves and the contact, the power supply circuit of the electromagnetic driver disconnects；
When the gate stop inserts the lock housing, the guard bar motion, drive the reset concave slot sports to the top The relative position in one end of bar, under the elastic force effect of top rod driving part, one end of the push rod be inserted into it is described reset it is recessed With the contact with another wire in groove, the power supply circuit of the electromagnetic driver is connected.
Preferably, the electromagnetic driver includes：
Magnet coil；
Iron core, is arranged on inside the magnet coil；
Peach heart sliding block, be connected with the iron core, and the solution lock slide along a direction substantially perpendicular can be driven by the iron core The direction of motion moves reciprocatingly, and then drives the unlock piece motion.
Preferably, the electromagnetic driver also includes：
Peach heart sliding block return springs, one end is connected with the peach heart sliding block, for peach heart sliding block described in flexible drive, is made The peach heart sliding block is moved along the electromagnetic force direction away from the magnet coil；
Jump ring, top is rotated with the lock housing and is connected, and end is connected in the internal structure of the peach heart sliding block；
The peach heart sliding block has first position, the second place and the 3rd position；
The peach heart sliding block is initially located at the 3rd position, and the jump ring end is connected to the inside of the peach heart sliding block Structure centre position；
After the magnet coil is powered for the first time, the iron core is moved under the electromagnetic force driving of the magnet coil, is entered And driving the peach heart sliding block to be moved to the second place, the jump ring end is moved to the inner tip of the peach heart sliding block, is entered And release the clamping to the peach heart sliding block；
The magnet coil is powered off at once after being powered for the first time, and the peach heart sliding block is in the peach heart sliding block return springs Elastic force driving it is lower move, and then drive the peach heart sliding block to be moved to first position, the peach is shifted in the jump ring end The inner bottom of heart sliding block；
After second of energization of the magnet coil, the iron core is moved under the electromagnetic force driving of the magnet coil, is entered And driving the peach heart sliding block to be moved to the second place, the jump ring end is moved to the inner tip of the peach heart sliding block；
After second of power-off of the magnet coil, elastic force of the peach heart sliding block in the peach heart sliding block return springs Driving is lower to move, and then drives the peach heart sliding block to be moved to the 3rd position, and the jump ring end is connected to the peach heart again The internal structure center of sliding block, and then the peach heart sliding block is returned to original state.
Preferably, in addition to：
Manual unlocking handle, is arranged in the lock housing, with the latch for being inserted into lock housing；
Handle is accepted, with socket groove, is fixedly connected with the peach heart sliding block；
During manual unlocking, the manual unlocking handle is pulled manually, and the latch enters the socket groove, held by described Connecing handle promotes the peach heart sliding block to move to the second place by the first position, and in the peach heart sliding block Flexible Reset The 3rd position is reset under the driving of part.
Preferably, in addition to：
Tongue is kept off, is be arranged in parallel with the undertaking handle, the kink of the socket groove can not be inserted with the latch is guided；
The width of the latch is more than gear the distance between the tongue and the socket groove；
When the peach heart sliding block is located at the first position, the height of the kink of the gear tongue and the height of the socket groove Degree is essentially identical, when pulling the manual unlocking handle manually, after the latch is guided by the kink, it is impossible to which insertion is described Inside socket groove；
When the peach heart sliding block is located at the first position, the height of the kink of the gear tongue is less than the socket groove Highly, when pulling the manual unlocking handle manually, the latch is not guided by the kink, is inserted into the socket Inside groove, the peach heart slide block movement is driven to the second place, and under the driving of the peach heart sliding block return springs It is reset to the 3rd position.
Preferably, in addition to,
The peach heart sliding block is inserted in operation slide block, one end, the operation slide block is synchronously transported with the peach heart sliding block Dynamic, the other end rotates the connection unlock piece, the unlock piece is synchronized with the movement with the peach heart sliding block.
Preferably, in addition to,
On/off sliding block, with oblique groove；Described on/off sliding block one end and the power supply movable contact spring of door lock of washing machine Connection；
The peach heart sliding block has the peach heart sliding block cylinder for being adapted for insertion into the oblique groove, in peach heart sliding block movement In, the peach heart sliding block cylinder is slided along along the oblique groove, drives the on/off sliding block to swing；
When the peach heart sliding block is moved to the first position, the power supply for triggering described on/off sliding block one end is dynamic tactile Piece is connected；
When the peach heart sliding block is moved to three position, the power supply for triggering described on/off sliding block one end is dynamic tactile Piece disconnects.
Technical solution of the present invention, has the following advantages that：
1. the door lock of washing machine that the present invention is provided, after gate stop insertion lock housing, tumbler rotates and locks door lock, has done washing Bi Hou, lock unlocking structure driving tumbler, makes tumbler reversion by door-lock opening；Switch gate is carried out using such a mode, can With the handle outside door-plate without being provided for pulling.
2. the door lock of washing machine that the present invention is provided, lock unlocking structure can be in pass by latching unlocking structure action The lock of the door lock of door state is promoted, and lock is continued towards the direction motion away from lock reset position, is taken off latch From lock face, gate stop is unlocked, is realized in washing machine after hours, is acted by latching unlocking structure, washing machine can be made Door is automatically springed open；Latching unlocking structure includes solution lock slide reconciliation lock slide driving structure, unblock slider-actuated structure and unblock The direction of motion of sliding block is vertical, can save internal structure arrangement space；Lock slide is solved by the first attachment structure with lock to connect Connect, the driving by unlocking slider-actuated structure finally drives lock to be acted.
3. the door lock of washing machine that the present invention is provided, the first attachment structure includes U-shaped through hole and driving post, driving post insertion U Connection is realized in type through hole, the method facilitates disassembly and assembly.
4. the door lock of washing machine that the present invention is provided, unblock slider-actuated structure includes electromagnetic driver and unlock piece, unblock Part is by driving return springs to be arranged on electromagnetic driver, during electromagnetic driver driving unblock, and first on unlock piece is oblique Face is relative with the second inclined-plane on solution lock slide to be slided, and solution lock slide is moved to the direction moved perpendicular to electromagnetic driver, Solution lock slide is unlocked；When electromagnetic driver recovers, the first inclined-plane on unlock piece and the second inclined-plane on solution lock slide to The back of the body, solution lock slide overcomes the twisting resistance of unlock piece return springs to be rotated on electromagnetic driver, the back side on the first inclined-plane is allowed Go out the passage at the second inclined-plane back side, pass through the second inclined-plane；Second inclined-plane solves lock slide in unlock piece return springs by rear Twisting resistance effect under, reverse it is relative with the second inclined-plane again to the first inclined-plane, to carry out unlocking motion next time.
5. the door lock of washing machine that the present invention is provided, lock position limiting structure is limited the lock of the door lock in the state of closing the door Position, when preventing that washing machine from working, door of washing machine is pushed away and is opened by error again.
6. the door lock of washing machine that the present invention is provided, lock position limiting structure has limited block, limited block passes through electromagnetic driver Driving moved between limited block latched position and limited block reset position, to being locked and being unlocked, by Secondary push is opened the function closing of door lock or replied.
7. the door lock of washing machine that the present invention is provided, passes through two inclined-planes and a cylinder between electromagnetic driver and limited block Coordinated, electromagnetic driver is synchronized with the movement with limited block.
8. the door lock of washing machine that the present invention is provided, guard bar when gate stop is not inserted into state, limited post on guard bar with Spacing hole on electromagnetic driver coordinates, and the action of electromagnetic driver is prevented, when preventing from being not inserted into gate stop, because maloperation causes Electromagnetic driver is out of control.
9. the door lock of washing machine that the present invention is provided, electromagnetic coil circuit trigger architecture is triggered by guard bar, guard bar solution During except to the locking of electromagnetic driver, the circuit of triggering electromagnetic driver is connected, when guard bar stops electromagnetic driver, is recovered extremely The circuit of electromagnetic driver disconnects.
10. the door lock of washing machine that the present invention is provided, electromagnetic coil circuit trigger architecture includes push rod and top rod driving part, When push rod is contacted with guard bar, top rod driving part keeps the elastic force to push rod, when guard bar is moved to releasing to electromagnetism During the locking of actuator, push rod is absorbed in the reset groove of guard bar in the resilient force west of top rod driving part, makes electromagnetic wire Circuit trigger architecture is enclosed to connect.
11. the door lock of washing machine that the present invention is provided, electromagnetic driver includes magnet coil, iron core and peach heart sliding block, iron core Keep being connected with peach heart sliding block, magnet coil produces electromagnetic force driving iron core and peach heart sliding block is moved back and forth, and then slides unblock Block is unlocked and resetted.
12. the door lock of washing machine that the present invention is provided, electromagnetic driver also includes peach heart sliding block return springs and jump ring, peach The effect of heart sliding block return springs is：When magnet coil produces electromagnetic force, magnet coil driving iron core and peach heart sliding block are moved Dynamic, when magnet coil does not produce electromagnetic force, peach heart sliding block return springs driving iron core and peach heart sliding block reset；The effect of jump ring It is：When peach heart sliding block return springs drive, peach heart sliding block is limited in the 3rd position.
13. the door lock of washing machine that the present invention is provided, manual unlocking handle is operated in peach heart sliding block positioned at first position When, due to power-off suddenly, socket groove is inserted by latch, peach heart sliding block can be promoted to shift to the 3rd position, door of washing machine is entered Row unblock.
14. the door lock of washing machine that the present invention is provided, gear tongue is located at first position in peach heart sliding block, and manual unlocking handle is inserted Pin is inserted into socket groove, and then promotes peach heart sliding block, when peach heart sliding block is located at three positions, the latch of manual unlocking handle Can be along gear tongue sideslip during insertion, it is impossible to insert socket groove, it is to avoid again by peach heart slipper push to first position.
15. the door lock of washing machine that the present invention is provided, peach heart sliding block, and fortune synchronous with peach heart sliding block are connected by operation slide block Dynamic, operation slide block is connected with unlock piece again, drives unlock piece motion.
16. the door lock of washing machine that the present invention is provided, on/off sliding block is used for the on/off for controlling washing machine, one end with Peach heart sliding block is connected, and is synchronized with the movement with peach heart sliding block, when peach heart sliding block is in first position, drives on/off sliding block to connect Logical washing machine, enables washing machine to work；When peach heart sliding block is moved to three positions, the cut-out of on/off sliding block is driven Washing machine, makes washing machine not to be operated.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that door lock of the present invention is rotatably assorted the dimensional structure diagram that structure applies on door lock.
Fig. 2 is that door lock of the present invention is rotatably assorted the dimensional structure diagram of structure.
Fig. 3 is the dimensional structure diagram that gate stop is inserted after tumbler.
Fig. 4 is that gate stop inserts the dimensional structure diagram that block locking is limited after tumbler.
Fig. 5 is the top view of peach heart sliding block position when gate stop is not inserted into tumbler.
Fig. 6 is the dimensional structure diagram of guard bar position when gate stop is not inserted into tumbler.
Fig. 7 is the dimensional structure diagram of guard bar position when gate stop inserts tumbler.
Fig. 8 is the dimensional structure diagram of push rod position when gate stop is not inserted into tumbler.
Fig. 9 is the top view of peach heart sliding block position when gate stop inserts tumbler.
Figure 10 is that magnet coil drives peach heart sliding block that peach heart sliding block is moved into first for the first time when gate stop inserts tumbler The top view of position.
Figure 11 is the top view that peach heart sliding block is moved to the second place by second of driving peach heart sliding block of magnet coil.
Figure 12 is the top view that peach heart sliding block is moved to the 3rd position.
The amplification dimensional structure diagram that Figure 13 is region A in Figure 12.
Figure 14 is front view when safe closing piece is unlocked.
Figure 15 is dimensional structure diagram when safe closing piece is locked.
Figure 16 is the stereochemical structure exploded perspective view of the matching relationship of peach heart sliding block and limited block.
Figure 17 is the dimensional structure diagram of operation slide block position.
Description of reference numerals：
1st, tumbler；2nd, connecting shaft；3rd, gate stop；4th, latch；5th, lock slide is solved；6th, unlock piece；7th, guard bar；8th, push rod； 9th, peach heart sliding block；10th, operation slide block；11st, handle；12nd, tongue is kept off；13rd, on/off sliding block；14th, safe closing piece；15th, securing rod； 16th, limited block；17th, magnet coil；18th, iron core；19th, jump ring；101st, joint portion；102nd, the first guide surface；103rd, first stops Face；104th, the second guide surface；105th, the first blocking surface top surface；106th, lock face；107th, the second blocking surface；108th, the 3rd guiding Face；111st, latch；131st, oblique groove；161st, limited block cylinder；401st, latch；402nd, U-shaped through hole；501st, post is driven；502nd, Two inclined-planes；601st, the first inclined-plane；701st, first end；702nd, the second end；703rd, limited post；704th, groove is resetted；901st, handle is accepted； 902nd, socket groove；903rd, peach heart sliding block cylinder；904th, stopper slot；905th, the 3rd inclined-plane；906th, the 4th inclined-plane.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", " interior ", the instruction such as " outer " Orientation or position relationship are for only for ease of the description present invention and simplify description, rather than indicate or imply the device or member of meaning Part must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This Outside, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " installation " should be done It broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can mechanically connect, It can also be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals Connection.For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains with concrete condition Justice.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It can just be combined with each other into conflict.
Embodiment 1
The structure as shown in figure 1, door lock is rotatably assorted, including tumbler 1, tumbler return springs, lock 4, lock are multiple Position elastic component and lock fit structure.
Tumbler 1 is installed in rotation in lock housing by connecting shaft 2, with the joint portion suitable for being combined with gate stop 3 101, with tumbler reset position and tumbler latched position；As shown in figure 1, tumbler 1 is located at tumbler reset position；Such as Shown in Fig. 3, tumbler 1 is located at tumbler latched position.
Tumbler return springs are connected with the tumbler 1, for tumbler 1 described in flexible drive, can be extensive The tumbler reset position is arrived again；Tumbler return springs can be provided in torsion spring in tumbler 1.
When the gate stop 3 inserts the lock housing, the tumbler 1 is driven by the gate stop 3, turns from tumbler reset position Move to tumbler latched position, the joint portion 101 follows the tumbler 1 to turn to and combined with the gate stop 3.
The gate stop 3 from the lock housing outwards extract out when, the tumbler 1 by the tumbler return springs and/or The gate stop 3 is driven, and tumbler reset position is turned to from tumbler latched position, and the joint portion 101 follows the rotation Part 1 is turned to be separated with the gate stop 3.
Lock 4, with lock reset position and lock latched position；As shown in figure 1, lock 4 is located at lock reset position； As shown in figure 3, lock 4 is located at lock latched position.
Lock return springs are connected with the lock 4, for latching 4 described in flexible drive, can return to institute State lock reset position.
Lock fit structure, is arranged on the tumbler 1, with the synchronous axial system of tumbler 1.
When closing door, the gate stop 3 inserts the lock housing, and the tumbler 1 is driven by the gate stop 3, drives the lock Determine fit structure rotation, the lock fit structure guiding lock 4 moves to the lock latched position, the tumbler 1 is locked, it is impossible to turn round, the gate stop 3 is locked in the lock housing, it is impossible to extracted out, and door is locked to be opened.
When opening door, towards the direction flicking door for closing door, the tumbler 1 is rotated further by the gate stop 3 driving, band Move the lock fit structure to be rotated further, the lock fit structure guiding lock 4 moves to the lock and resets position Put, the tumbler 1 is unlocked, and can be turned round, the gate stop 3 is no longer locked into the lock housing, can be extracted out, institute State door to be unlocked, can open.
The door lock for carrying out the switch gate present invention using such a mode is rotatably assorted structure, can easily apply in laundry Machine is on the washing machine outside door-plate without the handle for being provided for sliding door, naturally it is also possible to be provided with outside washing machine door board On the washing machine of handle, have wide range of applications, it is easy to use.
As shown in Fig. 2 lock fit structure includes：First guide surface 102, the first blocking surface 103, the second guide surface 104, First blocking surface top surface 105, lock face 106, the second blocking surface 107, the 3rd guide surface 108.
When the tumbler 1 is rotated, the first guide surface 102 guides the lock 4 to reset position away from the lock The direction motion put.
First blocking surface 103 is located at the end of first guide surface 102, and a fixed length is circumferentially extended along the tumbler 1 Degree, and certain distance is retracted towards close to the direction of the lock reset position, draw for crossing described first in the lock 4 During the end of guide face 102, stop the lock 4, prevent 4 first motions of the lock to the lock reset position.
Second guide surface 104 is obliquely installed and is connected with first blocking surface 103, for will be by first blocking surface 103 locks 4 stopped are guided to the stop for departing from first blocking surface 103.
The bottom of lock face 106 is connected with the top of second guide surface 104, is stopped for accepting departing from described first The lock 4 in face 103, can continue to move towards the lock reset position.
Second blocking surface 107 is connected with the lock face 106, and the second blocking surface 107 is located at the end of the lock face 106 End, the end for the lock 4 to be blocked in the lock face 106；Now, if the tumbler 1 is rotated towards described Part reset position is rotated, and the lock 4 is blocked in the front of lock face 106, prevents the tumbler 1 from rotating.
First blocking surface top surface 105 is connected with the bottom of the lock face 106, positioned at leaning on for second guide surface 104 The side of the nearly lock reset position, and height is less than or equal to the tip height of second guide surface 104, for accepting The lock 4 stopped departing from the first blocking surface 103.
First blocking surface can stop that lock crosses locking mistake caused by lock face well when door of washing machine is closed Lose so that at closing time, no matter using great power be also not in door lock locking failure situation, substantially increase ease for use and Stability.
3rd guide surface 108, bottom is connected with the first blocking surface top surface 105, positioned at second blocking surface 107 Close to the side of the lock reset position, for after the lock 4 crosses the stop of second blocking surface 107, guiding The lock 4 moves to the lock reset position.
As the alternative of above-described embodiment, the first blocking surface 103 and the second guide surface 104 can be omitted, lock 4 When crossing the end of first guide surface 102, lock face 106 can be directly entered, and then lock 4 pairs of tumblers 1 of lock It is fixed.
Operation principle
As shown in Fig. 2 when gate stop 3 is not inserted into tumbler 1, resilient force of the tumbler 1 in tumbler return springs Tumbler reset position is in down, and lock 4 is in lock reset position in the presence of the elastic force of lock return springs, this When tumbler 1 be not snapped 4 lockings.
As shown in Figure 1, Figure 3, during the insertion of gate stop 3 tumbler 1, tumbler 1 overcomes tumbler return springs Elastic force starts to rotate, and the first guide surface 102 promotes lock 4 to overcome the elastic force of lock return springs to be moved along it, and When gate stop 3 is inserted into bottom, lock 4 is moved across the end of the first guide surface 102, and then is contacted with the first blocking surface 103, terminates The insert action of gate stop 3, tumbler 1 is turned round under the resilient force of tumbler return springs, and lock 4 is guided along second Face 104 is moved to lock face 106, while the stop of the first blocking surface 103 is released, and in the elastic masterpiece of lock return springs Move, stopped until by the second blocking surface 107 towards the second blocking surface 107 under.
Apply the power for making gate stop 3 insert tumbler 1 again, tumbler 1 is rotated again, and lock 4 continues along the second blocking surface 107 motions, the end of the second blocking surface 107 are crossed until being moved to, lock 4 is under the resilient force of lock return springs Moved to lock reset position, and in the insertion force for terminating to apply gate stop 3, tumbler 1 is in tumbler return springs Rotated under resilient force to tumbler reset position, when tumbler 1 is rotated to tumbler reset position, latch 4 along the Three guide surfaces 108 are slided, and are eventually returned to latch reset position, so as to release locking of the tumbler 1 to gate stop 3, and by the bullet of gate stop 3 Go out.
Embodiment 2
The present embodiment provides a kind of door lock of washing machine, as shown in Fig. 1, Fig. 6, Figure 12, Figure 13, Figure 15, Figure 17, including：Door Hook 3, lock body, tumbler 1, lock 4, lock position limiting structure, lock unlocking structure, the first attachment structure, operation slide block 10, electromagnetism Actuator, guard bar 7, guard bar return springs, electromagnetic coil circuit trigger architecture, on/off sliding block 13, manual unlocking Handle 11, gear tongue 12, safe closing piece 14 and safe closing piece latch-up structure.
Lock body have tumbler 1 described in embodiment 1, tumbler return springs, lock 4, lock return springs and Lock fit structure.
4 one end of the lock have latch 401, and the latch 401 is used to act on the lock fit respective outer side edges, card Tooth coordinates with tumbler, can preferably realize and tumbler is locked and unlocked；The other end is movably connected in the lock housing On so that the latch 401 can towards closer or far from the tumbler 1 direction swing, and towards closer or far from The direction motion of the lock reset position.
As shown in figure 3, lock unlocking structure can be when the lock 4 locks the tumbler 1, driving lock 4 continues Away from the direction motion of the lock reset position, and then the latch 401 is set to depart from the lock face 106, so that will The gate stop 3 is unlocked；Lock unlocking structure can further be promoted to the lock of the door lock in the state of closing the door, and make lock The direction detained away from lock reset position continues to move, and latch is departed from lock face, gate stop is unlocked；Namely the present invention Laundry door lock, can be in washing machine after hours, by latching unlocking structure, and that realizes door of washing machine automatically springs open function.
The lock unlocking structure includes：Solve lock slide 5 and conciliate lock slide driving structure.
As shown in figure 4, solution lock slide 5 is connected by the first attachment structure with the lock 4；The first attachment structure bag Include U-shaped through hole 402 and driving post 501；U-shaped through hole 402 is arranged on the lock 4, and driving post 501 is arranged on the unblock and slided On block 5, the driving post 501 is inserted in the U-shaped through hole 402, and by the side wall of U-shaped through hole 402 described in push-and-pull, driving is described Lock 4 is acted；Drive post to insert and connection is realized in U-shaped through hole, this structure facilitates disassembly and assembly.
As shown in figure 5, unblock slider-actuated structure is used to drive the solution lock slide 5 is described along a direction substantially perpendicular to latch again Position position to the direction of the lock latched position is moved, and then drives the motion of lock 4 unblock；Unlock slider-actuated structure The direction of motion with solve lock slide the direction of motion it is vertical, internal structure arrangement space can be saved；Solution lock slide passes through first Attachment structure is connected with lock, finally drives lock to act by the driving for unlocking slider-actuated structure.
The unblock slider-actuated structure includes：Electromagnetic driver, unlock piece 6 and unlock piece return springs；The electricity Magnetic driving part the direction of motion for solving lock slide 5 can move reciprocatingly along a direction substantially perpendicular, described one end of unlock piece 6 and institute State electromagnetic driver to be rotatably connected, the other end has the first inclined-plane 601, and first inclined-plane 601 is with being arranged on the unblock The second inclined-plane 502 on sliding block 5 is relative, and described unlock piece return springs one end is connected with the unlock piece 6, the other end and institute Electromagnetic driver connection is stated, for unlock piece 6 described in flexible drive, makes the first inclined-plane 601 and described second of the unlock piece 6 Inclined-plane 502 is relative；During electromagnetic driver driving unblock, the first inclined-plane on unlock piece is relative with the second inclined-plane on solution lock slide Slide, until slipping, promote solution lock slide to be moved to the direction moved perpendicular to electromagnetic driver, solution lock slide is unlocked； When electromagnetic driver recovers, the first inclined-plane after slippage, towards opposite, solve lock slide and overcomes unlock piece to reset bullet with the second inclined-plane The twisting resistance of property part is rotated on electromagnetic driver, the back side on the first inclined-plane is conceded the passage at the second inclined-plane back side, is made second Inclined-plane passes through；Second inclined-plane is by rear, and solution lock slide is reversed to first oblique under the twisting resistance effect of unlock piece return springs Face is relative with the second inclined-plane again, to carry out unlocking motion next time.
As shown in figure 5, when the electromagnetic driver is moved in the first direction, driving the unlock piece 6 to move, the unblock Part 6 is rotated after the barrier effect by the solution lock slide 5, until crossing after the stop for solving lock slide 5, in the unblock In the presence of part return springs, reforming into makes first inclined-plane 601 relative with second inclined-plane 502；
As shown in figure 5, the electromagnetic driver along second direction opposite to the first direction move when, drive described Unlock piece 6 is moved, and now the unlock piece 6 is not rotated, and first inclined-plane 601 is slipped over from second inclined-plane 502, is promoted The solution lock slide 5 motion unblock.
As shown in Fig. 5, Figure 16, the lock position limiting structure includes limited block 16 and limited block driving structure；Limited block 16 When washing machine is run, move to and stop that the lock 4 is locked to the limited block moved close to the lock reset position direction Position；The effect of lock position limiting structure is to carry out limitation locking to the lock of the door lock in the state of closing the door, prevented in laundry When machine works, door of washing machine is caused danger by being opened accidentally after the effect of external force, so as to improve device security；In laundry When machine terminates operation, move to and no longer stop that the lock 4 is answered to the limited block moved close to the lock reset position direction Position position.The limited block driving structure is used to drive limited block in the limited block latched position and the spacing block reset position Moved between putting, limited block 16 is entered by the driving of electromagnetic driver between limited block latched position and limited block reset position Row movement, coordinated between electromagnetic driver and limited block 16 by two inclined-planes and a cylinder, make electromagnetic driver and Limited block can be synchronized with the movement；The limited block driving structure includes electromagnetic driver stopper slot 904 and limited block cylinder 161, The electromagnetic driver stopper slot 904 is arranged on the electromagnetic driver, with the 3rd inclined-plane 905 and the 4th being oppositely arranged Inclined-plane 906；The limited block cylinder 161 is arranged on the limited block, is adapted for insertion into the electromagnetic driver stopper slot 904, It is arranged in the middle of the 3rd inclined-plane 905 and the 4th inclined-plane 906.
When the electromagnetic driver is moved in the first direction, the 4th inclined-plane 906 promotes the limited block cylinder 161, The limited block 16 is set to be moved to the limited block latched position；The electromagnetic driver is along opposite to the first direction When two directions are moved, the 3rd inclined-plane 905 promotes the limited block cylinder, promotes the limited block 16 multiple to the limited block The motion of position position.
As shown in fig. 6, guard bar 7 has towards the first end 701 of the tumbler 1 and relative with the first end 701 The second end 702, second end 702 be provided with limited post 703；Set and the limited post on the electromagnetic driver 703 relative spacing holes.
Guard bar return springs one end is connected with the guard bar 7, for guard bar 7 described in flexible drive, is made described Limited post 703 is inserted into inside the spacing hole.
As shown in fig. 7, when the gate stop 3 is not inserted into the lock housing, the guard bar 7 is in the guard bar return springs In the presence of, the limited post 703 is inserted inside the spacing hole, and the electromagnetic driver can not be moved back and forth, this structure The action of electromagnetic driver can be prevented, when preventing from being not inserted into gate stop when door of washing machine is not turned off, because maloperation causes to start Washing machine working electromagnet actuator is out of control；During the insertion of gate stop 3 lock housing, the guard bar 7 is promoted to overcome the guard bar to answer The elastic force motion of position elastic component, the limited post 703 is deviate from from the spacing hole, and the electromagnetic driver can be moved back and forth.
As shown in figure 8, the electromagnetic coil circuit trigger architecture is connected with the guard bar 7；The gate stop 3 is not inserted into institute When stating lock housing, the guard bar 7 releases the driving to the electromagnetic coil circuit trigger architecture, makes the confession of the electromagnetic driver Circuit disconnects；When the gate stop 3 inserts the door lock of washing machine, the guard bar 7 drives the electromagnetic coil circuit to trigger Contact, connects the power supply circuit of the electromagnetic driver；That is electromagnetic coil circuit trigger architecture is triggered by guard bar, protection When bar releases the locking to electromagnetic driver, while the circuit for triggering electromagnetic driver is connected, guard bar recovers to stop electromagnetism During the position of actuator, also recover simultaneously to the position for disconnecting the circuit of electromagnetic driver.
The electromagnetic coil circuit trigger architecture includes push rod 8, resets groove 704, top rod driving part.
One wire of power supply circuit of the push rod 8 with forming the electromagnetic driver is connected, and is driven with forming the electromagnetism The contact of another wire of the power supply circuit of moving part is relative；Reset groove 704 to be arranged on the guard bar 7, the contact It is arranged on inside the reset groove 704, one end of the push rod 8 is adapted to slide into or skidded off the reset groove 704；Push rod drives One end of moving part is connected with the push rod 8, and the direction for push rod described in flexible drive 8 towards the reset groove 704 is moved；
When the gate stop 3 is not inserted into the lock housing, one end of the push rod 8 is not relative with the reset groove 704, described One end of push rod 8 can not insert the inside of reset groove 704 and the contact, the power supply circuit of the electromagnetic driver Disconnect；
When the gate stop 3 inserts the lock housing, the guard bar 7 is moved, and drives the reset groove 704 to move to and institute The relative position in one end of push rod 8 is stated, under the elastic force effect of top rod driving part, one end of the push rod 8 is inserted into described The contact in groove 704 and with another wire is resetted, the power supply circuit of the electromagnetic driver is connected.
When push rod is contacted with guard bar, top rod driving part keeps the elastic force to push rod, when guard bar is moved to When releasing the locking to electromagnetic driver, push rod is absorbed in the reset groove of guard bar in the resilient force west of top rod driving part It is interior, connect electromagnetic coil circuit trigger architecture.
As shown in Figure 10, the electromagnetic driver includes：Magnet coil 17, iron core 18 and peach heart sliding block 9, in addition to the peach heart Sliding block return springs and jump ring 19.
The iron core 18 is arranged on inside the magnet coil 17；The peach heart sliding block 9 is connected with the iron core 18, the peach heart Sliding block 9 can be driven the direction of motion of the solution lock slide 5 along a direction substantially perpendicular to move reciprocatingly by the iron core 18, and then band The unlock piece 6 is moved to move.
Described peach heart sliding block return springs one end is connected with the peach heart sliding block 9, is slided for the peach heart described in flexible drive Block 9, makes the peach heart sliding block 9 be moved along the electromagnetic force direction away from the magnet coil 17；The top of jump ring 19 with The lock housing rotates connection, and end is connected in the internal structure of the peach heart sliding block 9.
The effect of peach heart sliding block return springs is：Magnet coil produce electromagnetic force when, magnet coil driving iron core and Peach heart sliding block is moved, when magnet coil does not produce electromagnetic force, and peach heart sliding block return springs driving iron core and peach heart sliding block reset； The effect of jump ring is：When peach heart sliding block return springs drive, peach heart sliding block is limited in the 3rd position.
The peach heart sliding block 9 has first position, the second place and the 3rd position；The peach heart sliding block 9 is initially located at institute The 3rd position is stated, as shown in figure 12, peach heart sliding block 9 is connected to the peach heart sliding block 9 in the 3rd position, the end of jump ring 19 Internal structure center.
As shown in figure 9, after the magnet coil 17 is powered for the first time, electromagnetism of the iron core 18 in the magnet coil 17 Power driving is lower to move, and then drives the peach heart sliding block 9 to be moved to the second place, and the end of jump ring 19 is to the peach heart sliding block 9 inner tip movement, and then release the clamping to the peach heart sliding block 9.
As shown in Figure 10, the magnet coil 17 is powered off at once after being powered for the first time, and the peach heart sliding block 9 is in the peach heart The elastic force driving of sliding block return springs is lower to move, and then drives the peach heart sliding block 9 to be moved to first position, the jump ring Shift to the inner bottom of the peach heart sliding block 9 in 19 ends.
As shown in figure 11, after second of the energization of magnet coil 17, electricity of the iron core 18 in the magnet coil 17 Moved under magnetically-actuated, and then drive the peach heart sliding block 9 to be moved to the second place, the end of jump ring 19 is slided to the peach heart The inner tip movement of block 9.
After second of the power-off of magnet coil 17, bullet of the peach heart sliding block 9 in the peach heart sliding block return springs Property power driving is lower moves, and then drive the peach heart sliding block 9 to be moved to the 3rd position, the end of jump ring 19 is connected to institute again The internal structure center of peach heart sliding block 9 is stated, and then the peach heart sliding block 9 is returned to original state.
As shown in figure 13, manual unlocking handle 11 is arranged in the lock housing, with the latch 111 for being inserted into lock housing； Peach heart sliding block 9 is fixedly connected with undertaking handle 901, and accepting handle 901 has socket groove 902；Manual unlocking handle, in peach heart sliding block position When first position is operated, if power-off suddenly, by the way that the latch of manual unlocking handle is inserted into socket groove, it can promote Peach heart sliding block shifts to the 3rd position, and door of washing machine is unlocked.
During manual unlocking, the manual unlocking handle 11 is pulled manually, and the latch 111 enters the socket groove 902, leads to Crossing the undertaking handle 901 promotes the peach heart sliding block 9 to move to the second place by the first position, and in the peach heart The 3rd position is reset under the driving of sliding block return springs.
Gear tongue 12 is be arranged in parallel with the undertaking handle 901, and the socket groove can not be inserted with the latch 111 is guided 902 kink；The width of the latch 111 is more than gear the distance between the tongue 12 and the socket groove 902；Tongue is kept off in peach When heart sliding block is located at first position, the latch of manual unlocking handle is inserted into socket groove, and then promotes peach heart sliding block, in the peach heart , can be along gear tongue sideslip during the latch insertion of manual unlocking handle, it is impossible to insert socket groove when sliding block is located at three positions, it is to avoid Again by peach heart slipper push to first position.
When the peach heart sliding block 9 is located at the first position, the height of the kink of the gear tongue 12 and the socket groove 902 height is essentially identical, when pulling the manual unlocking handle 11 manually, after the latch 111 is guided by the kink, It can not insert inside the socket groove 902.
When the peach heart sliding block 9 is located at the first position, the height of the kink of the gear tongue 12 is less than the socket The height of groove 902, when pulling the manual unlocking handle 11 manually, the latch 111 is not guided by the kink, can Insert inside the socket groove 902, drive the peach heart sliding block 9 to move to the second place, and it is multiple in the peach heart sliding block The 3rd position is reset under the driving of position elastic component.
Operation slide block 10 can be synchronized with the movement with the peach heart sliding block 9, and the peach heart sliding block is inserted in the one end of operation slide block 10 9, the other end rotates the connection unlock piece 6, the unlock piece 6 is also synchronized with the movement with the peach heart sliding block 9.
As shown in figure 12, on/off sliding block 13 has the power supply movable contact spring company of oblique groove 131, one end and door lock of washing machine Connect；The peach heart sliding block 9 has the peach heart sliding block cylinder 903 for being adapted for insertion into the oblique groove 131, is moved in the peach heart sliding block 9 In dynamic, the peach heart sliding block cylinder 903 is slided along along the oblique groove 131, drives the on/off sliding block 13 to swing；Power supply Break-make sliding block is used for the on/off for controlling washing machine, and one end is connected with peach heart sliding block, and is synchronized with the movement with peach heart sliding block, in peach When heart sliding block is in first position, drives on/off sliding block to connect washing machine, washing machine is worked；When the peach heart is slided When block is moved to three positions, on/off sliding block cut-out washing machine is driven, washing machine is not worked.
When the peach heart sliding block 9 is moved to the first position, the power supply of described one end of on/off sliding block 13 is triggered Movable contact spring is connected；When the peach heart sliding block 9 is moved to three position, the electricity of described one end of on/off sliding block 13 is triggered Source movable contact spring disconnects.
Safe closing piece 14 is connected to peace as the pedestal being rotatably connected for the connecting shaft 2, tumbler by connecting shaft The medium position of full closing piece；Safe one end of closing piece 14 is rotated with the lock housing by rotating shaft and is connected, and the other end passes through inclined-plane and institute State lock housing clamping；When pushing or pull open the washing machine gate open by force, the safe closing piece 14 and the inclined-plane of the lock housing clamping End can detach the lock housing, and along the axis of rotation of its other end, so drive tumbler 1 in the connecting shaft 2 to Depart from the direction motion of the latch 401 of the lock 4, the tumbler 1 is departed from the clamping solution of the latch 401 of the lock 4 Lock.
As shown in figure 14, safe closing piece latch-up structure is used to lock the safe closing piece 14 when washing machine is run, and prevents It departs from the lock housing and rotated；The safe closing piece latch-up structure includes：Securing rod 15 and locking bar return springs； During safe closing piece latch-up structure released state, safe closing piece can be rotated, and then drive radial displacement of the tumbler to connecting shaft, Tumbler is departed from the locking of lock, door of washing machine is opened.
As shown in figure 15, the one end of securing rod 15 props up the rotatable end of the safe closing piece 14, when securing rod 15 is motionless, The safe closing piece 14 can not be rotated；Locking bar return springs one end is connected with the securing rod 15, securing rod Flexible Reset Part is used to apply the elastic force for making the securing rod 15 prop up the safe closing piece 14.
As shown in figure 16, when the limited block 16 moves to the limited block latched position, the securing rod can be stopped 15 to the direction for extruding the locking bar return springs movement；The limited block 16, moves to the spacing block reset position Put, the stop to the securing rod 15 can be released.
As the alternative of above-described embodiment, safe closing piece latch-up structure can use any driving structure, be used for Lock and unlock the safe closing piece 14.
As the alternative of above-described embodiment, safe closing piece 14 can be omitted, and the connecting shaft 2 is directly rotatable It is connected in lock housing.
As the alternative of above-described embodiment, on/off sliding block 13 can be omitted, and the break-make of power supply can be used Other manually or automatically mode realize.
As the alternative of above-described embodiment, operation slide block 10 can be omitted, and the unlock piece 6 is set directly at peach On heart sliding block 9.
As the alternative of above-described embodiment, gear tongue 12 can be omitted, and latch 111 is inserted with any time insertion Mouth groove 902, promotes peach heart sliding block 9.
As the alternative of above-described embodiment, manual unlocking handle 11 and undertaking handle 901 can be omitted.
As the alternative of above-described embodiment, peach heart sliding block return springs can be omitted, peach heart sliding block 9 it is reciprocal Motion all can be driven by magnet coil 17.
As the alternative of above-described embodiment, the structure of electromagnetic driver can be driven by other by electromagnetic force Structure substitute.
As the alternative of above-described embodiment, electromagnetic coil circuit trigger architecture is switched on and off to magnet coil It can be realized by other modes manually or automatically.
As the alternative of above-described embodiment, electromagnetic coil circuit trigger architecture can be omitted.
As the alternative of above-described embodiment, guard bar 7 and spacing hole can be omitted.
As the alternative of above-described embodiment, limited block driving structure can arbitrarily drive limited block by other The device moved between limited block latched position and limited block reset position is replaced.
As the alternative of above-described embodiment, limited block 16 and limited block driving structure can be omitted, and be latched spacing Structure can be from can arbitrarily stop that the structure that lock 4 is moved to the direction close to lock reset position is replaced.
As the alternative of above-described embodiment, lock position limiting structure can be omitted.
As the alternative of above-described embodiment, unblock slider-actuated structure can be by can arbitrarily drive solution lock slide Lock reset position to the structure for the direction motion for latching latched position is replaced along a direction substantially perpendicular.
As the alternative of above-described embodiment, the first attachment structure can be by can arbitrarily connect lock 4 and unblock The structure of sliding block 5 is replaced.
As the alternative of above-described embodiment, solution lock slide 5, which conciliates lock slide driving structure, to be omitted, lock solution Lock construction can arbitrarily be promoted the structure of latch 401 to replace by other.
As the alternative of above-described embodiment, lock unlocking structure can be omitted.
As the alternative of above-described embodiment, the latch 401 on lock 4 can be omitted, or use other structures, be made Lock 4 can carry out the locking and unblock of door lock with the respective outer side edges of tumbler 1.
Operation principle
1st, door twice is pushed away, gate stop 3 can be automatically springed open.
When pushing for the first time, the Intercalation portion 101 of gate stop 3, tumbler 1 is rotated by the drives edge connecting shaft 2 of gate stop 3；First The guiding latch 401 of guide surface 102 moves to the end of the first guide surface 102, crosses latch described in the end of the first guide surface 102 401 move to the direction of lock reset position, are blocked by the first blocking surface 103, now, gate stop 3 is inserted many big displacements Latch 401 can not all be departed to the stop of the first blocking surface 103.
After unclamping to the thrust of gate stop 3, tumbler 1 is rotated backward under the resilient force of tumbler return springs, The top latch 401 that latch 401 moves to the second guide surface 104 along the second guide surface 104 departs from the gear of the first blocking surface 103 Firmly, and with lock face 106 contact, latch 401 is under the resilient force of lock return springs, along lock face 106 to lock The direction motion of reset position, is then stopped by the second blocking surface 107, now latches 4 and reaches lock latched position, tumbler 1 It is snapped locking, it is impossible to turn round, gate stop 3 is locked in lock housing, it is impossible to extracted out, door is locked to be opened.
When pushing for the second time, gate stop 3 is acted to insertion lockhole direction again, and tumbler 1 is driven again along connection by gate stop 3 Axle 2 is rotated；Latch 401 moves to the end of the second blocking surface 107 along the second blocking surface 107 and departs from second blocking surface 107 stop, latch 401 is moved under the resilient force of lock return springs to the direction of lock reset position.
When unclamping the thrust pushed for the second time, tumbler 1 reversely turns under the resilient force of tumbler return springs Dynamic, latch 401 is slided along the 3rd guide surface 108, and when tumbler 1 returns to tumbler reset position, it is multiple that lock 4 returns to lock Position position.
2nd, washing machine after hours, automatically can eject gate stop.
After hours, now gate stop 3 is locked in lock housing washing machine, it is impossible to extracted out, and door is locked to be opened；Drive The dynamic lock unlocking structure being connected with lock 4 is acted, and latch 401 is moved to the direction away from the lock reset position, made Latch 401 departs from the locking of lock face 106；Tumbler 1 is rotated backward under the resilient force of tumbler return springs, is turned When moving part 1 returns to tumbler reset position, gate stop 3 is ejected lockhole.
3rd, when washing machine is run, the function locking that door twice flicks gate stop will can be pushed away.
When washing machine is run, gate stop 3 is locked in lock housing, it is impossible to extracted out, and door is locked when can not open, in order to anti- Only push again and unlock gate stop 3, using lock position limiting structure, stop by translating when washing machine run and latch 4 to close The direction motion of reset position is latched, even if now pushing again, latch 401 will not be also touched and be moved along the second blocking surface 107, Latch 401 will be limited at lock face 106, tumbler 1 is rotated without normal direction tumbler reset position, it is ensured that the lock of gate stop 3 Determine state.
4th, when washing machine is run, power-off suddenly can be opened door of washing machine by manual unlocking.
When washing machine is run, gate stop 3 is locked in lock housing, it is impossible to extracted out, and door is locked to be opened, and lock limit Latch 401 is limited at lock face 106 by bit architecture, now such as power-off suddenly, can only be by latching unlocking structure action by door Hook 3 is ejected；There is manual unlocking handle 11 outside lock housing, there is latch 111 on manual unlocking handle 11, lock is inserted into The lock unlocking structure action of shell manual actuation, gate stop 3 is ejected.
5th,, can be directly by applying outside to gate stop 3 after the insertion lockhole locking of gate stop 3 when washing machine does not work Thrust extracts gate stop 3 out.
Gate stop 3 inserts lockhole, and the lock 4 is reached after lock latched position, and tumbler 1 is snapped locking, it is impossible to turn round, Gate stop 3 is locked in lock housing, it is impossible to extracted out, and door is locked to be opened；Now can be by pushing the bullet of gate stop 3 for the second time Go out, while can also be pulled out gate stop 3, its principle is by pushing or being acted from outside sliding door from inside：Connecting shaft 2 can turn Dynamic is connected on safe closing piece 14, and safe one end of closing piece 14 is rotated by rotating shaft and lock housing and be connected, the other end by inclined-plane and Lock housing clamping, after the power for pushing or pulling is received, the joint end of safe closing piece 14 departs from lock housing, and safe closing piece 14 occurs to turn It is dynamic, drive tumbler 1 radially displaced, latch 401 is departed from the locking to tumbler 1, gate stop 3 from the top of lock face 106 It is extracted.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (16)

1. a kind of door lock of washing machine, it is characterised in that：Including：
Gate stop (3), is adapted to mount on washing machine gate；
Lock housing, is adapted to mount on washing machine body, with the lockhole for the gate stop (3) insertion；
Tumbler (1), is installed in rotation in lock housing by connecting shaft (2), with the joint portion suitable for being combined with gate stop (3) (101), with tumbler reset position and tumbler latched position；
Tumbler return springs, are connected with the tumbler (1), can be extensive for tumbler described in flexible drive (1) The tumbler reset position is arrived again；
When the gate stop (3) inserts the lock housing, the tumbler (1) is driven by the gate stop (3), from tumbler reset position Tumbler latched position is turned to, the joint portion (101) follows the tumbler (1) to turn to and combined with the gate stop (3)；
The gate stop (3) from the lock housing outwards extract out when, the tumbler (1) by the tumbler return springs and/or Gate stop (3) driving, tumbler reset position is turned to from tumbler latched position, and the joint portion (101) follows described Tumbler (1) is turned to be separated with the gate stop (3)；
Latch (4), with lock reset position and lock latched position；
Lock fit structure, is arranged on the tumbler (1), with the tumbler (1) synchronous axial system；
Unlocking structure is latched, one end is connected with electromagnetic driver, the other end is connected with the lock (4)；
When closing door, the gate stop (3) inserts the lock housing, and the tumbler (1) is driven by the gate stop (3), drives described Lock fit structure is rotated, and the lock fit structure guiding lock (4) moves to lock locking from lock reset position Position, keeps off on the path turned round in the tumbler (1), the tumbler (1) can not turn round, so that the gate stop (3) be locked It is scheduled in the lock housing, door of washing machine locking；
Laundry is finished, and the electromagnetic driver action control washing machine is stopped, and institute is driven by the lock unlocking structure Continue to move in the direction that lock (4) is stated away from the lock reset position so that the lock (4) is no longer kept off at described turn On the rotary path of moving part (1), the tumbler (1) is turned round in the presence of the tumbler return springs, by the door Hook (3) is ejected out of described lock housing, door of washing machine unblock.
2. door lock of washing machine according to claim 1, it is characterised in that：The lock unlocking structure includes：
Lock slide (5) is solved, is connected by the first attachment structure with the lock (4)；
Slider-actuated structure is unlocked, one end is connected with the electromagnetic driver, the other end is connected with the solution lock slide (5), is used Unlocked in by driving the solution lock slide (5), and then driving the lock (4) to move.
3. door lock of washing machine according to claim 2, it is characterised in that：First attachment structure includes：
U-shaped through hole (402), is arranged on the lock (4)；
Post (501) is driven, is arranged on the solution lock slide (5), and is inserted in the U-shaped through hole (402), by described in push-and-pull The side wall of U-shaped through hole (402), drives lock (4) action.
4. door lock of washing machine according to claim 2, it is characterised in that：The unblock slider-actuated structure includes：
Unlock piece (6), one end is rotatably connected with the electromagnetic driver, and the other end has the first inclined-plane (601)；
Second inclined-plane (502), is arranged on the solution lock slide (5), and relative with first inclined-plane (601)；
Unlock piece return springs, one end is connected with the unlock piece (6), and the other end is connected with the electromagnetic driver, is used for Unlock piece described in flexible drive (6), makes first inclined-plane (601) relative with second inclined-plane (502)；
The electromagnetic driver is moved in the first direction, during control washing machine work, drives unlock piece (6) motion, described Unlock piece (6) is rotated after the barrier effect by the solution lock slide (5), until cross after the stop for solving lock slide (5), In the presence of the unlock piece return springs, make first inclined-plane (601) relative with second inclined-plane (502)；
The electromagnetic driver is moved along second direction opposite to the first direction, when control washing machine is stopped, band Dynamic unlock piece (6) motion, now the unlock piece (6) does not rotate, first inclined-plane (601) and second inclined-plane (502) sliding contact is until slip, by sliding extruding second inclined-plane (502), promotion solution lock slide (5) the motion solution Lock.
5. the door lock of washing machine according to claim 3 or 4, it is characterised in that：Also include lock position limiting structure, the lock Position limiting structure moves to when washing machine works and stops that the lock (4) latches what reset position direction was moved to close to described Limited block latched position；When washing machine is stopped, moves to and no longer stop that the lock (4) resets to close to the lock The limited block reset position of locality motion.
6. door lock of washing machine according to claim 5, it is characterised in that：The lock position limiting structure includes,
Limited block (16), for stopping to the lock (4)；
Limited block driving structure, for driving the limited block (16) in the limited block latched position and the spacing block reset Moved between position.
7. door lock of washing machine according to claim 6, it is characterised in that：The limited block driving structure includes,
Stopper slot (904), is arranged on the electromagnetic driver, with the 3rd inclined-plane (905) being oppositely arranged and the 4th inclined-plane (906), the mobile side of the distribution arrangement of the 3rd inclined-plane (905) and the 4th inclined-plane (906) and the limited block (16) To parallel；
Limited block cylinder (161), is arranged on the limited block (16), inserts in the electromagnetic driver stopper slot (904), position Between the 3rd inclined-plane (905) and the 4th inclined-plane (906)；
When the electromagnetic driver is moved in the first direction, the 4th inclined-plane (906) promotes the limited block cylinder (161), The limited block (16) is set to be moved to the limited block latched position；
The electromagnetic driver along second direction opposite to the first direction move when, the 3rd inclined-plane (905) promotes The limited block cylinder, promotes the limited block (16) to be moved to the limited block reset position.
8. door lock of washing machine according to claim 4, it is characterised in that：Also include：
Guard bar (7), with the first end (701) towards the tumbler (1), and relative with the first end (701) Two ends (702), second end (702) is provided with limited post (703)；
Spacing hole, is arranged on the electromagnetic driver with the limited post (703) relatively；
Guard bar return springs, one end is connected with the guard bar (7), for guard bar described in flexible drive (7), is made described Limited post (703) is inserted into inside the spacing hole；
When the gate stop (3) is not inserted into the lock housing, the guard bar (7) in the presence of the guard bar return springs, The limited post (703) is inserted inside the spacing hole, and the electromagnetic driver can not be moved back and forth；
During gate stop (3) the insertion lock housing, the guard bar (7) is promoted to overcome the elastic force of the guard bar return springs to transport Dynamic, the limited post (703) is deviate from from the spacing hole, and the electromagnetic driver can be moved back and forth.
9. door lock of washing machine according to claim 8, it is characterised in that：Also include, electromagnetic coil circuit trigger architecture；
When the gate stop (3) is not inserted into the lock housing, the guard bar (7) is released to the electromagnetic coil circuit trigger architecture Driving, disconnects the power supply circuit of the electromagnetic driver；
When the gate stop (3) inserts the door lock of washing machine, the guard bar (7) drives the electromagnetic coil circuit triggering to connect Touch, connect the power supply circuit of the electromagnetic driver.
10. door lock of washing machine according to claim 9, it is characterised in that：The electromagnetic coil circuit trigger architecture includes：
Push rod (8), is connected with forming a wire of power supply circuit for the electromagnetic driver, and with forming the electromagnetic drive The contact of another wire of the power supply circuit of part is relative；
Groove (704) is resetted, is arranged on the guard bar (7), the contact is arranged on reset groove (704) inside, One end of the push rod (8) is adapted to slide into or skidded off the reset groove (704)；
Top rod driving part, one end is connected with the push rod (8), for push rod described in flexible drive (8) towards the reset groove (704) direction motion；
When the gate stop (3) is not inserted into the lock housing, one end of the push rod (8) is not relative with the reset groove (704), institute Reset groove (704) inside and the contact, the confession of the electromagnetic driver can not be inserted by stating one end of push rod (8) Circuit disconnects；
When the gate stop (3) inserts the lock housing, guard bar (7) motion, drive the reset groove (704) move to The relative position in one end of the push rod (8), under the elastic force effect of top rod driving part, one end of the push rod (8) can be inserted Enter in the reset groove (704) and the contact with another wire, the power supply circuit of the electromagnetic driver connects It is logical.
11. door lock of washing machine according to claim 4, it is characterised in that：The electromagnetic driver includes：
Magnet coil (17)；
Iron core (18), is arranged on the magnet coil (17) internal；
Peach heart sliding block (9), is connected with the iron core (18), can drive the unblock along a direction substantially perpendicular by the iron core (18) The direction of motion of sliding block (5) moves reciprocatingly, and then drives unlock piece (6) motion.
12. door lock of washing machine according to claim 11, it is characterised in that：The electromagnetic driver also includes：
Peach heart sliding block return springs, one end is connected with the peach heart sliding block (9), for peach heart sliding block (9) described in flexible drive, The peach heart sliding block (9) is set to be moved along the electromagnetic force direction away from the magnet coil (17)；
Jump ring (19), top is rotated with the lock housing and is connected, and end is connected in the internal structure of the peach heart sliding block (9)；
The peach heart sliding block (9) has first position, the second place and the 3rd position；
The peach heart sliding block (9) is initially located at the 3rd position, and jump ring (19) end is connected to the peach heart sliding block (9) Internal structure center；
After the magnet coil (17) is powered for the first time, the iron core (18) is under the electromagnetic force driving of the magnet coil (17) Motion, and then drive the peach heart sliding block (9) to be moved to the second place, jump ring (19) end is to the peach heart sliding block (9) Inner tip movement, and then release clamping to the peach heart sliding block (9)；
The magnet coil (17) powers off at once after being powered for the first time, and the peach heart sliding block (9) resets bullet in the peach heart sliding block Property part elastic force driving it is lower move, and then drive the peach heart sliding block (9) to be moved to first position, jump ring (19) end Shift to the inner bottom of the peach heart sliding block (9)；
After second of energization of the magnet coil (17), the iron core (18) is under the electromagnetic force driving of the magnet coil (17) Motion, and then drive the peach heart sliding block (9) to be moved to the second place, jump ring (19) end is to the peach heart sliding block (9) Inner tip movement；
After second of power-off of the magnet coil (17), bullet of the peach heart sliding block (9) in the peach heart sliding block return springs Property power driving is lower moves, and then drive the peach heart sliding block (9) to be moved to the 3rd position, jump ring (19) the end clamping again In the internal structure center of the peach heart sliding block (9), and then the peach heart sliding block (9) is set to return to original state.
13. door lock of washing machine according to claim 12, it is characterised in that also include：
Manual unlocking handle (11), is arranged in the lock housing, with the latch (111) for being inserted into lock housing；
Handle (901) is accepted, with socket groove (902), is fixedly connected with the peach heart sliding block (9)；
During manual unlocking, the manual unlocking handle (11) is pulled manually, and the latch (111) enters the socket groove (902), The peach heart sliding block (9) is promoted to move to the second place by the first position by the undertaking handle (901), and in institute The 3rd position is reset under the driving for stating peach heart sliding block return springs.
14. door lock of washing machine according to claim 13, it is characterised in that also include：
Tongue (12) is kept off, is be arranged in parallel with the undertaking handle (901), the socket can not be inserted with the latch (111) is guided The kink of groove (902)；
The width of the latch (111) is more than the distance between the gear tongue (12) and described socket groove (902)；
When the peach heart sliding block (9) is located at the first position, height and the socket groove of the kink of the gear tongue (12) (902) height is essentially identical, when pulling manual unlocking handle (11) manually, and the latch (111) is by the kink After guiding, it is impossible to insert the socket groove (902) internal；
When the peach heart sliding block (9) is located at the first position, the height of the kink of the gear tongue (12) is less than the socket The height of groove (902), when pulling manual unlocking handle (11) manually, the latch (111) is not drawn by the kink Lead, be inserted into socket groove (902) inside, drive the peach heart sliding block (9) to move to the second place, and described The 3rd position is reset under the driving of peach heart sliding block return springs.
15. door lock of washing machine according to claim 12, it is characterised in that also include,
The peach heart sliding block (9) is inserted in operation slide block (10), one end, makes the operation slide block (10) can be with the peach heart sliding block (9) it is synchronized with the movement, the other end rotates the connection unlock piece (6), makes the unlock piece (6) can be with the peach heart sliding block (9) It is synchronized with the movement.
16. door lock of washing machine according to claim 12, it is characterised in that also include,
On/off sliding block (13), with oblique groove (131)；Described on/off sliding block (13) one end and the electricity of door lock of washing machine Source movable contact spring connection；
The peach heart sliding block (9) has the peach heart sliding block cylinder (903) for being adapted for insertion into the oblique groove (131), in the peach heart During sliding block (9) is mobile, the peach heart sliding block cylinder (903) is slided along along the oblique groove (131), drives the on/off to slide Block (13) is swung；
When the peach heart sliding block (9) is moved to the first position, the power supply of described on/off sliding block (13) one end is triggered Movable contact spring is connected；
When the peach heart sliding block (9) is moved to three position, the power supply of described on/off sliding block (13) one end is triggered Movable contact spring disconnects.
CN201710682135.4A 2017-08-10 2017-08-10 A kind of door lock of washing machine Active CN107245845B (en)

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CN108221279A (en) * 2017-12-05 2018-06-29 无锡小天鹅股份有限公司 Door lock assembly, door panel assemblies and device for clothing processing
CN108486828A (en) * 2018-06-07 2018-09-04 温州天健电器有限公司 A kind of door lock of washing machine
CN108720782A (en) * 2018-06-07 2018-11-02 温州天健电器有限公司 A kind of dish-washing machine door lock
CN108866970A (en) * 2018-07-18 2018-11-23 温州天健电器有限公司 A kind of door lock of washing machine
CN109339595A (en) * 2018-11-27 2019-02-15 金华市宏昌电器有限公司 It is a kind of can manual unlocking electric appliance door interlock switch
CN109577764A (en) * 2018-11-26 2019-04-05 温州天健电器有限公司 Door lock applied to elastic rotation gate stop
CN109610137A (en) * 2019-01-18 2019-04-12 温州天健电器有限公司 A kind of washing machine gate stop and washing machine
CN110318219A (en) * 2018-03-28 2019-10-11 青岛海尔滚筒洗衣机有限公司 Clothes treatment device
CN110409133A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 For the locking device of lid, the superstructure of laundry facilities and laundry facilities
CN110857515A (en) * 2018-08-22 2020-03-03 青岛海尔滚筒洗衣机有限公司 Door lock structure and clothes treatment equipment
CN112806937A (en) * 2019-11-15 2021-05-18 宁波方太厨具有限公司 Door lock structure and cleaning machine with same
CN112814494A (en) * 2019-11-15 2021-05-18 宁波方太厨具有限公司 Door lock structure and cleaning machine with same
CN115162848A (en) * 2022-07-20 2022-10-11 温州天健电器有限公司 Door lock with manual unlocking structure
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CN107904866A (en) * 2017-12-04 2018-04-13 温州天健电器有限公司 A kind of door lock of washing machine
CN108221279A (en) * 2017-12-05 2018-06-29 无锡小天鹅股份有限公司 Door lock assembly, door panel assemblies and device for clothing processing
CN110318219A (en) * 2018-03-28 2019-10-11 青岛海尔滚筒洗衣机有限公司 Clothes treatment device
CN110409133B (en) * 2018-04-28 2021-08-10 无锡小天鹅电器有限公司 Locking device for cover body, upper cover structure of laundry equipment and laundry equipment
CN110409133A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 For the locking device of lid, the superstructure of laundry facilities and laundry facilities
CN108486828A (en) * 2018-06-07 2018-09-04 温州天健电器有限公司 A kind of door lock of washing machine
CN108720782A (en) * 2018-06-07 2018-11-02 温州天健电器有限公司 A kind of dish-washing machine door lock
CN108866970A (en) * 2018-07-18 2018-11-23 温州天健电器有限公司 A kind of door lock of washing machine
CN110857515B (en) * 2018-08-22 2023-03-07 青岛海尔洗涤电器有限公司 Door lock structure and clothes treatment equipment
CN110857515A (en) * 2018-08-22 2020-03-03 青岛海尔滚筒洗衣机有限公司 Door lock structure and clothes treatment equipment
CN109577764A (en) * 2018-11-26 2019-04-05 温州天健电器有限公司 Door lock applied to elastic rotation gate stop
CN109339595A (en) * 2018-11-27 2019-02-15 金华市宏昌电器有限公司 It is a kind of can manual unlocking electric appliance door interlock switch
CN109339595B (en) * 2018-11-27 2024-02-20 浙江宏昌电器科技股份有限公司 Electrical door lock switch capable of being unlocked manually
CN109610137B (en) * 2019-01-18 2021-07-06 温州天健电器有限公司 Washing machine door hook and washing machine
CN109610137A (en) * 2019-01-18 2019-04-12 温州天健电器有限公司 A kind of washing machine gate stop and washing machine
CN112814494A (en) * 2019-11-15 2021-05-18 宁波方太厨具有限公司 Door lock structure and cleaning machine with same
CN112806937A (en) * 2019-11-15 2021-05-18 宁波方太厨具有限公司 Door lock structure and cleaning machine with same
CN112806937B (en) * 2019-11-15 2022-01-25 宁波方太厨具有限公司 Door lock structure and cleaning machine with same
CN115247349A (en) * 2021-04-27 2022-10-28 青岛海尔洗衣机有限公司 Washing machine door lock module
CN115247349B (en) * 2021-04-27 2024-01-26 青岛海尔洗衣机有限公司 Door lock module of washing machine
CN115162848A (en) * 2022-07-20 2022-10-11 温州天健电器有限公司 Door lock with manual unlocking structure
CN115162848B (en) * 2022-07-20 2024-03-29 温州天健电器有限公司 Door lock with manual unlocking structure

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