CN104805644A - Washing machine door lock - Google Patents

Washing machine door lock Download PDF

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Publication number
CN104805644A
CN104805644A CN201410037224.XA CN201410037224A CN104805644A CN 104805644 A CN104805644 A CN 104805644A CN 201410037224 A CN201410037224 A CN 201410037224A CN 104805644 A CN104805644 A CN 104805644A
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CN
China
Prior art keywords
locating
washing machine
lock
lockplate
lock housing
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Granted
Application number
CN201410037224.XA
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Chinese (zh)
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CN104805644B (en
Inventor
王立孟
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WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd
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WEIZHOU TIANJIAN ELECTRICAL EQUIPMENT CO Ltd
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Priority to CN201410037224.XA priority Critical patent/CN104805644B/en
Publication of CN104805644A publication Critical patent/CN104805644A/en
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Publication of CN104805644B publication Critical patent/CN104805644B/en
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Abstract

The invention discloses a washing machine door lock. The washing machine door lock comprises a lock case, a rotating part hooked up with a door hook and a locking device for locking or unlocking the rotating part combined with the door hook; the locking device comprises a first limiting part formed with a lug with a first inclined surface and capable of sliding left and right, a second limiting part formed with a second inclined surface matched with the first inclined surface and capable of sliding up and down, a limiting biasing part for applying bias pressure to the second limiting part towards the first limiting part, and a locking rod capable of locking or unlocking the second limiting part under the control of the first control device; the rotating part drives the first limiting part to move left and right by use of a first connecting structure; the limiting biasing element pushes the second limiting part to slide towards the first limiting part by virtue of the matching of the first inclined surface and the second inclined surface. According to the washing machine door lock, the rotating part is locked or unlocked by virtue of the sliding matching of the first limiting part, the second limiting part and the locking rod so that the washing machine door lock can be opened or closed; the washing machine door lock is easy to manufacture and assembly, and good in stability.

Description

A kind of door lock of washing machine
Technical field
The present invention relates to a kind of door latch structure, relate in particular to a kind of door lock of washing machine for washing machine cover locking.
Background technology
Door lock of washing machine is for washing machine, particularly tumbling-box washing machine has vital effect, if in use, washing machine cover can arbitrarily be opened, washings not only in washing machine and clothes easily splash and throw away, and child easily opens washing machine cover, contact inside subject device, easily meets accident.
In order to solve the problem, Chinese patent literature CN102094305A discloses a kind of door lock assembly, comprise matrix and join housing, for the keyhole that keeper inserts when housing is provided with and closes, it is corresponding with the keyhole on described housing that matrix is provided with keyhole, described matrix is provided with the lock body with pivot, this lock body has briquetting, latch hook, slewing limit block I and slewing limit block II, the pivot of lock body is provided with revolution torsion spring, matrix is provided with mobile lockplate, back-moving spring I is provided with between this lockplate and housing, lockplate front end contacts with the slewing limit block II of lock body under described back-moving spring I with the effect of revolution torsion spring, matrix has spatial accommodation, back-moving spring II is provided with in this spatial accommodation, one end of back-moving spring II contacts with spatial accommodation, the other end contacts with lockplate, described lockplate has sliding surface, this sliding surface is corresponding with the sliding surface on matrix.
Namely in the door lock assembly described in above-mentioned patent document, at closing time, keeper enters the keyhole of matrix, keeper head applies pressure to lock body briquetting, the pressure that this pressure overcomes revolution torsion spring makes lock body counterclockwise rotate, close lock body one end of lockplate forces lockplate to move to away from lock body direction by the thrust of lock body slewing limit block II, when lock body rotates to certain angle, lockplate can enter the below of lock body slewing limit block II during near lock body one end, lockplate moves near lock body direction under the rebound effect of back-moving spring I, lockplate enters the below of lock body slewing limit block II near lock body one end, now keeper is caught on by latch hook, realization is closed the door, during enabling, keeper produces the power pulling lock body latch hook to turn clockwise, when this power acquires a certain degree, the downforce be applied on lockplate can overcome the spring force of back-moving spring II, the slewing limit block II of lock body turns clockwise, lockplate is pressed towards lower movement near lock body one end, and just move horizontally to the direction away from lock body away from one end of lock body, when keeper pulls lock body to rotate to certain angle, lockplate can depart from from lock body slewing limit block II near lock body one end, deviate from latch hook in keeper, realize opening the door.
But the door lock assembly described in above-mentioned patent document, have the following disadvantages: in this door lock assembly, be by the slewing limit block II of lock body, lockplate near lock body one end, cooperatively interacting between back-moving spring I and back-moving spring II realize catching on of latch hook and deviate from, therefore, require high to the processing assembling of each part, slightly error, may just cannot realize successfully locking completely or locking out, stability is bad, is easily out of order.
Summary of the invention
For this reason, technical problem to be solved by this invention is door lock assembly of the prior art, and processing assembling requires high, and stability is bad, is easily out of order, and then provides one to be easy to processing assembling, the door lock of washing machine that stability is good.
For solving the problems of the technologies described above, a kind of door lock of washing machine of the present invention, it comprises
Lock housing, forms the patchhole that applicable gate stop inserts;
Tumbler, what the moving axis that can rotate rotated is arranged in described lock housing, described tumbler have one with the joint portion that described gate stop is combined, described tumbler rotates under described gate stop inserts the action of described patchhole, described joint portion is combined with described gate stop, described tumbler rotates backward under the action of described patchhole extracted out by described gate stop, removes the combination of described joint portion and described gate stop;
Locking device, locks the tumbler after being combined with described gate stop or unlocks under the effect of first control device; Described locking device comprises
First locating part, offset with described lock-shell lining, described first locating part forms the lug boss with the first inclined-plane on the end face of described gate stop, described first locating part is connected with described tumbler by the first syndeton, under the cooperation of described first syndeton, described tumbler drives described first locating part to move left and right;
Second locating part, the end, one end of described second locating part forms the second inclined-plane being applicable to coordinating with described first inclined-plane, described second locating part can towards near or away from described first locating part direction motion be arranged in described lock housing, and described second locating part is when sliding to described first locating part, described first inclined-plane matches with described second inclined-plane;
Spacing bias piece, is located between described lock-shell lining and described second locating part, and applies towards the biasing force of described first locating part to described second locating part;
Securing rod, can under the control of described first control device, propping up described second locating part state and non-propping up in state is changed, and be in when propping up described second locating part state, described second locating part can be stoped to move towards the direction away from described first locating part.
Described second locating part forms the second middle groove, described tumbler is passed described second middle groove and is rotatably connected to by described turning cylinder on the cell wall of described second middle groove.
Described first locating part forms the first middle groove, described first syndeton comprises the elongated end be molded on described tumbler and the stopper slot be molded on the two side of described first middle groove; One bearing pin, through described elongated end, is set in described stopper slot, is arranged on rotating for described elongated end in described first middle groove.
Described first control device comprises
Coil block, is arranged in described lock housing;
Iron core column, is set in described coil block, retracts or stretch out described coil block after described coil block energising or power-off;
Lockplate, one end that iron core column described in one end of described lockplate stretches out described coil block is connected, the other end and described second locating part of described lockplate are oppositely arranged, described securing rod is arranged on the other end on described lockplate, and described lockplate drives described securing rod to come and go slip under the traction of described iron core column.
Described securing rod forms and enters line-locked spacing stop to described second limited block, described spacing stop is for being molded over described securing rod away from one end of described lockplate, the projection that can offset with the lower surface of described second locating part.
The end of described iron core column forms annular card division, described lockplate forms the draw-in groove that applicable described annular card division snaps in, and described annular card division engages with described draw-in groove described iron core column is fixedly connected with described lockplate.
Described locking device also comprises elasticity extension spring, described elasticity extension spring is in " V " type, two ends of described elasticity extension spring are all fixed on certain side inwall of described lock housing, the mid portion of described elasticity extension spring through the connecting groove on described lockplate, and is applied with the elastic resistance that the athletic performance of described lockplate is slowed down to described lockplate.
Also comprise the second control device controlled washing machine startup power supply, described second control device comprises
At least one movable contact spring, is fixedly mounted in described lock housing, and one end of described movable contact spring is elasticity beveled end, and described elasticity beveled end is provided with movable contact;
At least one static contact, is fixedly mounted in described lock housing, described static contact forms the stationary contact being applicable to contacting with described movable contact;
At least one central rotational part, rotatingly be arranged in described lock housing, the end of one end of described central rotational part and the described elasticity beveled end of described movable contact spring offsets, the other end of described central rotational part is connected with described lockplate, described central rotational part rotates under the drive of described lockplate, make described movable contact contact with described stationary contact or be separated, open or disconnect described washing machine startup power supply.
When being also included in lock-out state, to the manual unlocking device that described locking device unlocks by force.
Described manual unlocking device comprises the stay cord stretching out the one end outside described lock housing with described securing rod and be fixedly connected with, and described stay cord tension, described securing rod moves towards unlocking direction, removes the locking to described second locating part.
Also comprise the checkout gear of the degree of locking for detecting described gate stop, described checkout gear comprises
Button, slidably be arranged in described lock housing, it is consistent that the locking of the glide direction of described button and described gate stop lock out direction, described button has the insertion end that an external part and can retracting described lock housing under the effect of washing machine doorframe is positioned at described lock housing, and the insertion end end of described button forms pressing flange;
Microswitch, be located in described lock housing, be connected with the display floater of washing machine, described microswitch forms the elastic button offseted with described pressing flange, and described gate stop is when locking completely, described external part is retracted described lock housing completely, and described pressing flange is separated with described elastic button, described microswitch is connected, and the corresponding indicator lamp on the display floater of washing machine is bright;
Reseting pressuring spring, is located between described lock-shell lining and described button, and to described button be applied with door of washing machine open time, make the described external part of described button stretch out the reset biasing force of described lock housing.
Described first locating part forms cavity, and described second locating part and described lockplate are in described cavity.
Described second locating part forms through hole, and described lock housing is provided with fixed axis, described second locating part can along described fixed axis towards near or move away from described first locating part direction.
Described spacing bias piece is set to the spring be set on described fixed axis.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) in door lock of washing machine of the present invention, described locking device comprises the first locating part, offset with described lock-shell lining, described first locating part forms the lug boss with the first inclined-plane on the end face of described gate stop, described first locating part is connected with described tumbler by the first syndeton, under the cooperation of described first syndeton, described tumbler drives described first locating part to move left and right; Second locating part, the end, one end of described second locating part forms the second inclined-plane being applicable to coordinating with described first inclined-plane, described second locating part can towards near or away from described first locating part direction motion be arranged in described lock housing, and described second locating part is when sliding to described first locating part, described first inclined-plane matches with described second inclined-plane; Spacing bias piece, is located between described lock-shell lining and described second locating part, and applies towards the biasing force of described first locating part to described second locating part; Securing rod, can under the control of described first control device, propping up described second locating part state and non-propping up in state is changed, and be in when propping up described second locating part state, described second locating part can be stoped to move towards the direction away from described first locating part; Namely in the present invention, realize locking or unlocking to the rotation of described tumbler the locking that realizes this door lock of washing machine or lock out by the cooperatively interacting between described securing rod that slide up and down of the horizontally slipping of described first locating part, described second locating part, each parts are easy to processing assembling, matching relationship is simple, not easily occur error, stability is good.
(2) in door lock of washing machine of the present invention, described second locating part forms the second middle groove, described tumbler is passed described second middle groove and is rotatably connected to by described turning cylinder on the cell wall of described second middle groove; Described first locating part forms the first middle groove, described first syndeton comprises the elongated end be molded on described tumbler and the stopper slot be molded on the two side of described first middle groove; One bearing pin, through described elongated end, is set in described stopper slot, is arranged in described first middle groove by rotating for described elongated end; So described tumbler is arranged on the centre of described first locating part and described second locating part, thus reduces each parts taking up room in described lock housing, be not only conducive to the setting of miscellaneous part in described lock housing, and the volume of described lock housing can be reduced.
(3) in door lock of washing machine of the present invention, described locking device also comprises elasticity extension spring, described elasticity extension spring is in " V " type, two ends of described elasticity extension spring are all fixed on certain side inwall of described lock housing, the mid portion of described elasticity extension spring is through the connecting groove on described lockplate, and described lockplate is applied with to the elastic resistance that the athletic performance of described lockplate is slowed down, namely described elasticity extension spring can slow down the sliding speed that described iron core column drives described lockplate to slide under the adhesive effect of described coil block, thus prevent from, because sliding speed is too fast, resilience occurs, the described securing rod ensureing on described lockplate can slide and put in place, in time described second locating part is locked or unlocked.
(4) in door lock of washing machine of the present invention, also comprise the second control device that washing machine startup power supply is controlled, described second control device comprises at least one movable contact spring, be fixedly mounted in described lock housing, one end of described movable contact spring is elasticity beveled end, and described elasticity beveled end is provided with movable contact; At least one static contact, is fixedly mounted in described lock housing, described static contact forms the stationary contact being applicable to contacting with described movable contact; At least one central rotational part, rotatingly be arranged in described lock housing, the end of one end of described central rotational part and the described elasticity beveled end of described movable contact spring offsets, the other end of described central rotational part is connected with described lockplate, described central rotational part rotates under the drive of described lockplate, make described movable contact contact with described stationary contact or be separated, open or disconnect described washing machine startup power supply; Namely in the present invention, when described lockplate slides at the described securing rod of drive, while described second locating part is locked or unlocking, also described central rotational part is driven to rotate, described movable contact is made to contact with described stationary contact or be separated, open or disconnect described washing machine and start power supply, as long as that is when described second locating part is locked, described washing machine starts power supply and just can open, washing machine just can be started working, thus when preventing this door lock of washing machine to be also locked, washing machine is just started working, and brings unexpected injury.
(5) in door lock of washing machine of the present invention, when being also included in lock-out state, to the manual unlocking device that described locking device unlocks by force; Described manual unlocking device comprises the stay cord stretching out the one end outside described lock housing with described securing rod and be fixedly connected with, described stay cord tension, and described securing rod moves towards unlocking direction, removes the locking to described second locating part; Namely in the present invention, when described locking device cisco unity malfunction, by described stay cord, this door lock of washing machine is unlocked by force.
(6) in door lock of washing machine of the present invention, also comprise the checkout gear of the degree of locking for detecting described gate stop, described checkout gear comprises button, slidably be arranged in described lock housing, it is consistent that the locking of the glide direction of described button and described gate stop lock out direction, described button has the insertion end that an external part and can retracting described lock housing under the effect of washing machine doorframe is positioned at described lock housing, and the insertion end end of described button forms pressing flange; Microswitch, be located in described lock housing, be connected with the display floater of washing machine, described microswitch forms the elastic button offseted with described pressing flange, and described gate stop is when locking completely, described external part is retracted described lock housing completely, and described pressing flange is separated with described elastic button, described microswitch is connected, and the corresponding indicator lamp on the display floater of washing machine is bright; Reseting pressuring spring, is located between described lock-shell lining and described button, and to described button be applied with door of washing machine open time, make the described external part of described button stretch out the reset biasing force of described lock housing; Described checkout gear can detect the state of locking of described gate stop, if described gate stop is not locked completely or is locked not in place, then described microswitch can not be connected, indicator lamp on the display floater of washing machine can not be bright, like this user can close the door of washing machine again, until described gate stop is locked completely, indicator lamp on the display floater of washing machine lights, thus avoid the door lock of washing machine firmly not lock, and open in the washing machine course of work, cause clothing to fly out etc. and bring potential safety hazard.
(7) in door lock of washing machine of the present invention, described first locating part forms cavity, described second locating part and described lockplate are in described cavity, make to closely cooperate between each parts, the each parts of further reduction taking up room in described lock housing, reduces the volume of described lock housing.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the exploded perspective view of door lock of washing machine of the present invention;
Fig. 2 is the door lock of washing machine schematic diagram after gate stop of the present invention lock out;
Fig. 3 is the door lock of washing machine schematic diagram after gate stop of the present invention is locked;
Fig. 4 is the first locating part of the present invention and the cooperation schematic diagram of described second locating part when locking out state;
Fig. 5 is the first locating part of the present invention and the cooperation schematic diagram of described second locating part when locking state;
Fig. 6 is the door lock of washing machine top view after gate stop of the present invention lock out;
Fig. 7 is the door lock of washing machine top view after gate stop of the present invention is locked;
Fig. 8 is that checkout gear of the present invention lock out view;
Fig. 9 is checkout gear retracted mode schematic diagram of the present invention;
In figure, Reference numeral is expressed as: 1-lock housing; 2-tumbler; 201-joint portion; 202-elongated end; 3-gate stop; 4-first locating part; 401-lug boss; 402-first inclined-plane; The middle groove of 403-first; 5-second locating part; 501-second inclined-plane; The middle groove of 502-second; 404-stopper slot; The spacing bias piece of 6-; 7-securing rod; The spacing stop of 701-; 8-bearing pin; 9-turning cylinder; 10-coil block; 11-iron core column; 1101-annular card division; 12-lockplate; 1201-draw-in groove; 1202-connecting groove; The extension spring of 13-elasticity; 14-movable contact spring; 1401-elasticity beveled end; 1402-movable contact; 15-static contact; 1501-stationary contact; 16-central rotational part; 17-stay cord; 18-button; 1801-presses flange; 19-microswitch; 1901-elastic button; 20-fixed axis; 21-reseting pressuring spring; 22-patchhole.
Detailed description of the invention
Below with reference to accompanying drawing, following embodiment is used to be further elaborated the present invention.
As shown in figs 1-9, a kind of door lock of washing machine described in the present embodiment, it comprises lock housing 1, forms the patchhole 22 that applicable gate stop 3 inserts; Tumbler 2, what the moving axis 9 that can rotate rotated is arranged in described lock housing 1, described tumbler 2 have one with the joint portion 201 that described gate stop 3 is combined, described tumbler 2 rotates under described gate stop 3 inserts the action of described patchhole 22, described joint portion 201 is combined with described gate stop 3, described tumbler 2 rotates backward under the action of described patchhole 22 extracted out by described gate stop 3, removes the combination of described joint portion 201 and described gate stop 3; Locking device, locks the tumbler 2 after being combined with described gate stop 3 or unlocks under the effect of first control device; Described locking device comprises the first locating part 4, offset with described lock housing 1 inwall, described first locating part 4 forms the lug boss 401 with the first inclined-plane 402 on the end face of described gate stop 3, described first locating part 4 is connected with described tumbler 2 by the first syndeton, under the cooperation of described first syndeton, described tumbler 2 drives described first locating part 4 to move left and right; Second locating part 5, the end, one end of described second locating part 5 forms the second inclined-plane 501 being applicable to coordinating with described first inclined-plane 402, described second locating part 5 can towards near or away from described first locating part 4 direction motion be arranged in described lock housing 1, and described second locating part 5 is when sliding to described first locating part 4, described first inclined-plane 402 matches with described second inclined-plane 501; Spacing bias piece 6, is located between described lock housing 1 inwall and described second locating part 5, and applies towards the biasing force of described first locating part 4 to described second locating part 5; Securing rod 7, can under the control of described first control device, propping up described second locating part 5 state and non-propping up in state is changed, and be in when propping up described second locating part 5 state, described second locating part 5 can be stoped to move towards the direction away from described first locating part 4; Namely in the present embodiment, realize locking or unlocking to the rotation of described tumbler 2 locking that realizes this door lock of washing machine or lock out by the cooperatively interacting between described securing rod 7 that slide up and down of the horizontally slipping of described first locating part 4, described second locating part 5, each parts are easy to processing assembling, matching relationship is simple, not easily occur error, stability is good.
As preferred embodiment, in the present embodiment, described second locating part 5 forms the second middle groove 502, described tumbler 2 is passed described second middle groove 502 and is rotatably connected to by described turning cylinder 9 on the cell wall of described second middle groove 502.Described first locating part 4 forms the first middle groove 403, described first syndeton comprises the elongated end 202 be molded on described tumbler 2 and the stopper slot 404 be molded on the two side of described first middle groove 403; One bearing pin 8, through described elongated end 202, is set in described stopper slot 404, is arranged on rotating for described elongated end 202 in described first middle groove 403.In the present embodiment, described tumbler 2 is arranged on the centre of described first locating part 4 and described second locating part 5, thus reduce each parts taking up room in described lock housing 1, be not only conducive to the setting of miscellaneous part in described lock housing 1, and the volume of described lock housing 1 can be reduced.
In the present embodiment, described first control device comprises coil block 10, is arranged in described lock housing 1; Iron core column 11, is set in described coil block 10, is energized at described coil block 10 or retracts after power-off or stretch out described coil block 10; Lockplate 12, one end that iron core column 11 described in one end of described lockplate 12 stretches out described coil block 10 is connected, the other end and described second locating part 5 of described lockplate 12 are oppositely arranged, described securing rod 7 is arranged on the other end on described lockplate 12, and described lockplate 12 drives described securing rod 7 to come and go slip under the traction of described iron core column 11.In the present embodiment, preferred described securing rod 7 forms line-locked spacing stop 701 is entered to described second limited block, described spacing stop 701 is for being molded over described securing rod 7 away from one end of described lockplate 12, the projection that can offset with the lower surface of described second locating part 5.Simultaneously, in the present embodiment, the end of described iron core column 11 forms annular card division 1101, described lockplate 12 forms the draw-in groove 1201 that applicable described annular card division 1101 snaps in, described annular card division 1101 engages with described draw-in groove 1201 described iron core column 11 is fixedly connected with described lockplate 12.
On the basis of above-described embodiment, described locking device also comprises elasticity extension spring 13, described elasticity extension spring 13 is in " V " type, two ends of described elasticity extension spring 13 are all fixed on certain side inwall of described lock housing 1, the mid portion of described elasticity extension spring 13 through the connecting groove 1202 on described lockplate 12, and is applied with the elastic resistance that the athletic performance of described lockplate 12 is slowed down to described lockplate 12.Namely in the present embodiment, described elasticity extension spring 13 can slow down the sliding speed that described iron core column 11 drives described lockplate 12 to slide under the adhesive effect of described coil block 10, thus prevent from, because sliding speed is too fast, resilience occurs, the described securing rod 7 ensureing on described lockplate 12 can slide and put in place, locks or unlocks in time to described second locating part 5.
Further, in the present embodiment, also comprise the second control device that washing machine startup power supply is controlled, described second control device comprises at least one movable contact spring 14, be fixedly mounted in described lock housing 1, one end of described movable contact spring 14 is elasticity beveled end 1401, and described elasticity beveled end 1401 is provided with movable contact 1402; At least one static contact 15, is fixedly mounted in described lock housing 1, described static contact 15 forms the stationary contact 1501 being applicable to contacting with described movable contact 1402; At least one central rotational part 16, rotatingly be arranged in described lock housing 1, the end of one end of described central rotational part 16 and the described elasticity beveled end 1401 of described movable contact spring 14 offsets, the other end of described central rotational part 16 is connected with described lockplate 12, described central rotational part 16 rotates under the drive of described lockplate 12, make described movable contact 1402 contact with described stationary contact 1501 or be separated, open or disconnect described washing machine startup power supply.Namely in the present embodiment, when described lockplate 12 slides at the described securing rod 7 of drive, while described second locating part 5 is locked or unlocking, also described central rotational part 16 is driven to rotate, described movable contact 1402 is made to contact with described stationary contact 1501 or be separated, open or disconnect described washing machine and start power supply, as long as that is when described second locating part 5 is locked, described washing machine starts power supply and just can open, washing machine just can be started working, thus when preventing this door lock of washing machine to be also locked, washing machine is just started working, bring unexpected injury.
Meanwhile, in the present embodiment, when being also included in lock-out state, to the manual unlocking device that described locking device unlocks by force.Preferred described manual unlocking device comprises the stay cord 17 stretching out the one end outside described lock housing 1 with described securing rod 7 and be fixedly connected with, described stay cord 17 tension, and described securing rod 7, towards unlocking direction motion, removes the locking to described second locating part 5; Like this, when described locking device cisco unity malfunction, by described stay cord 17, this door lock of washing machine is unlocked by force.
In the present embodiment, also comprise the checkout gear of the degree of locking for detecting described gate stop 3, described checkout gear comprises button 18, slidably be arranged in described lock housing 1, it is consistent that the locking of the glide direction of described button 18 and described gate stop 3 lock out direction, described button 18 has the insertion end that an external part and can retracting described lock housing 1 under the effect of washing machine doorframe is positioned at described lock housing 1, and the insertion end end of described button 18 forms pressing flange 1801; Microswitch 19, be located in described lock housing 1, be connected with the display floater of washing machine, described microswitch 19 forms the elastic button 1901 offseted with described pressing flange 1801, and described gate stop 3 is when locking completely, described external part is retracted described lock housing 1 completely, and described pressing flange 1801 is separated with described elastic button 1901, described microswitch 19 is connected, and the corresponding indicator lamp on the display floater of washing machine is bright; Reseting pressuring spring 21, is located between described lock housing 1 inwall and described button 18, and to described button 18 be applied with door of washing machine open time, make the described external part of described button 18 stretch out the reset biasing force of described lock housing 1.In the present embodiment, described checkout gear can detect the state of locking of described gate stop 3, if described gate stop 3 is not locked completely or is locked not in place, then described microswitch 19 can not be connected, indicator lamp on the display floater of washing machine can not be bright, like this user can close the door of washing machine again, until described gate stop 3 is locked completely, indicator lamp on the display floater of washing machine lights, thus avoid the door lock of washing machine firmly not lock, and open in the washing machine course of work, cause clothing to fly out etc. and bring potential safety hazard.
On the basis of above-described embodiment, in the present embodiment, described first locating part 4 forms cavity, described second locating part 5 and described lockplate 12 are in described cavity, make to closely cooperate between each parts, further reduction taking up room in described lock housing 1, reduces the volume of described lock housing 1.Meanwhile, in the present embodiment, described second locating part 5 forms through hole, and described lock housing 1 is provided with fixed axis 20, described second locating part 5 can along described fixed axis 20 towards near or move away from described first locating part 4 direction; Preferred described spacing bias piece 6 is set to the spring be set on described fixed axis 20.
The specific works process of the door lock of washing machine described in above-described embodiment is as follows:
One, door closing procedure
At closing time, described gate stop 3 clashes into the described joint portion 201 of described tumbler 2, described tumbler 2 is rotated, described joint portion 201 is combined with described gate stop 3, simultaneously, the described elongated end 202 of described tumbler 2 makes described first locating part 4 slide left under the cooperation of described stopper slot 404 and described bearing pin 8, described lug boss 401 on described first locating part 4 is slided to end that described second locating part 5 is provided with described second inclined-plane 501, described first inclined-plane 402 is matched with described second inclined-plane 501, described second locating part 5 slides to described first locating part 4 under the effect of the biasing force of described spacing bias piece 6, described gate stop 3 is locked by the described joint portion 201 of described tumbler 2 completely,
Connect washing machine, iron core column 11 described in the adhesive of described coil block 10, described iron core column 11 described coil block 10 of retracting is inner, in the process that described iron core column 11 is retracted, the described securing rod 7 on described lockplate 12 is driven to slide left, make the described spacing stop 701 on described securing rod 7 slide into the below of described second locating part 5, and offset with described second locating part 5, stop described second locating part 5 to move towards the direction away from described first locating part 4;
In the process that described lockplate 12 slides left, described central rotational part 16 is driven to rotate, make one end that described central rotational part 16 and the described elasticity beveled end 1401 of described movable contact spring 14 offset away from described movable contact spring 14, the described elasticity beveled end 1401 of described movable contact spring 14 resets, described movable contact 1402 contacts with described stationary contact 1501, described washing machine starts electric power starting, and washing machine starts normal work, thus completes whole door closing procedure.
Two, door opening process
Disconnect washing machine, described coil block 10 discharges described iron core column 11, described iron core column 11 stretches out described coil block 10, and the described securing rod 7 promoted on described lockplate 12 slides left, described spacing stop 701 on described securing rod 7 is skidded off by the below of described second locating part 5, slide into the right of described second locating part 5, remove the locking to described second locating part 5;
In the process that described lockplate 12 slides to the right, described central rotational part 16 is driven to rotate, described central rotational part 16 is offseted with the described elasticity beveled end 1401 of described movable contact spring 14, and described movable contact 1402 is separated with described stationary contact 1501, described washing machine starts power supply and disconnects, and washing machine quits work;
Door of washing machine is pulled towards enabling direction, described gate stop 3 is towards deviating from the motion of described patchhole 22 direction, and drive described tumbler 2 to rotate, described joint portion 201 is made to turn to described patchhole 22, while described tumbler 2 rotates, described elongated end 202 makes described first locating part 4 slide to the right under the cooperation of described stopper slot 404 and described bearing pin 8, described first inclined-plane 402 of described first locating part 4 departs from described second inclined-plane 501 of described second locating part 5 and coordinates, the described lug boss 401 of described first locating part 4 props up the end face of described second locating part 5, described second locating part 5 is made to overcome the biasing force slide downward of described spacing bias piece 6, described gate stop 3 is deviate from described joint portion 201 and is exited by described patchhole 22, thus complete whole door opening process.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.

Claims (14)

1. a door lock of washing machine, it comprises
Lock housing (1), forms the patchhole (22) that applicable gate stop (3) inserts;
Tumbler (2), what the moving axis (9) that can rotate rotated is arranged in described lock housing (1), described tumbler (2) has a joint portion (201) combined with described gate stop (3), described tumbler (2) rotates under described gate stop (3) inserts the action of described patchhole (22), described joint portion (201) and described gate stop (3) are combined, described tumbler (2) rotates backward under the action of described patchhole (22) extracted out by described gate stop (3), removes the combination of described joint portion (201) and described gate stop (3);
Locking device, locks the tumbler (2) after combining with described gate stop (3) or unlocks under the effect of first control device;
It is characterized in that: described locking device comprises
First locating part (4), offset with described lock housing (1) inwall, described first locating part (4) forms the lug boss (401) with the first inclined-plane (402) on the end face of described gate stop (3), described first locating part (4) is connected with described tumbler (2) by the first syndeton, under the cooperation of described first syndeton, described tumbler (2) drives described first locating part (4) to move left and right;
Second locating part (5), the end, one end of described second locating part (5) forms the second inclined-plane (501) being applicable to coordinating with described first inclined-plane (402), described second locating part (5) can towards near or be arranged in described lock housing (1) away from the motion of described first locating part (4) direction, and described second locating part (5) is when sliding to described first locating part (4), described first inclined-plane (402) is matched with described second inclined-plane (501);
Spacing bias piece (6), is located between described lock housing (1) inwall and described second locating part (5), and applies towards the biasing force of described first locating part (4) to described second locating part (5);
Securing rod (7), can under the control of described first control device, propping up described second locating part (5) state and non-propping up in state is changed, and be in when propping up described second locating part (5) state, described second locating part (5) can be stoped to move towards the direction away from described first locating part (4).
2. door lock of washing machine according to claim 1, it is characterized in that: described second locating part (5) forms the second middle groove (502), described tumbler (2) is rotatably connected on the cell wall of described second middle groove (502) through described second middle groove (502) and by described turning cylinder (9).
3. door lock of washing machine according to claim 2, it is characterized in that: described first locating part (4) forms the first middle groove (403), described first syndeton comprises the stopper slot (404) on the elongated end (202) be molded on described tumbler (2) and the two side being molded over described first middle groove (403); One bearing pin (8), through described elongated end (202), is set in described stopper slot (404), is arranged on rotating for described elongated end (202) in described first middle groove (403).
4. the door lock of washing machine according to any one of claim 1-3, is characterized in that: described first control device comprises
Coil block (10), is arranged in described lock housing (1);
Iron core column (11), is set in described coil block (10), retracts or stretch out described coil block (10) after described coil block (10) energising or power-off;
Lockplate (12), one end that iron core column (11) described in one end of described lockplate (12) stretches out described coil block (10) is connected, the other end and described second locating part (5) of described lockplate (12) are oppositely arranged, described securing rod (7) is arranged on the other end on described lockplate (12), and described lockplate (12) drives described securing rod (7) coming and going to slide under the traction of described iron core column (11).
5. door lock of washing machine according to claim 4, it is characterized in that: described securing rod (7) forms line-locked spacing stop (701) is entered to described second limited block, described spacing stop (701) is for being molded over described securing rod (7) away from one end of described lockplate (12), the projection that can offset with the lower surface of described second locating part (5).
6. door lock of washing machine according to claim 5, it is characterized in that: the end of described iron core column (11) forms annular card division (1101), described lockplate (12) forms the draw-in groove (1201) that applicable described annular card division (1101) snaps in, described annular card division (1101) engages with described draw-in groove (1201) described iron core column (11) is fixedly connected with described lockplate (12).
7. door lock of washing machine according to claim 6, it is characterized in that: described locking device also comprises elasticity extension spring (13), described elasticity extension spring (13) is in " V " type, two ends of described elasticity extension spring (13) are all fixed on certain side inwall of described lock housing (1), the mid portion of described elasticity extension spring (13) through the connecting groove (1202) on described lockplate (12), and is applied with the elastic resistance that the athletic performance of described lockplate (12) is slowed down to described lockplate (12).
8. the door lock of washing machine according to any one of claim 4-7, is characterized in that: also comprise the second control device controlled washing machine startup power supply, described second control device comprises
At least one movable contact spring (14), is fixedly mounted in described lock housing (1), and one end of described movable contact spring (14) is elasticity beveled end (1401), and described elasticity beveled end (1401) is provided with movable contact (1402);
At least one static contact (15), is fixedly mounted in described lock housing (1), described static contact (15) forms the stationary contact (1501) being applicable to contacting with described movable contact (1402);
At least one central rotational part (16), rotatingly be arranged in described lock housing (1), the end of one end of described central rotational part (16) and the described elasticity beveled end (1401) of described movable contact spring (14) offsets, the other end of described central rotational part (16) is connected with described lockplate (12), described central rotational part (16) rotates under the drive of described lockplate (12), make described movable contact (1402) contact with described stationary contact (1501) or be separated, open or disconnect described washing machine startup power supply.
9. the door lock of washing machine according to any one of claim 5-8, is characterized in that: when being also included in lock-out state, to the manual unlocking device that described locking device unlocks by force.
10. door lock of washing machine according to claim 9, it is characterized in that: described manual unlocking device comprises the stay cord (17) stretching out described lock housing (1) one end outward with described securing rod (7) and be fixedly connected with, described stay cord (17) tension, described securing rod (7), towards unlocking direction motion, removes the locking to described second locating part (5).
11. door lock of washing machines according to any one of claim 1-10, is characterized in that: the checkout gear also comprising the degree of locking for detecting described gate stop (3), described checkout gear comprises
Button (18), slidably be arranged in described lock housing (1), it is consistent that the locking of the glide direction of described button (18) and described gate stop (3) lock out direction, described button (18) has the insertion end that an external part and can retracting described lock housing (1) under the effect of washing machine doorframe is positioned at described lock housing (1), and the insertion end end of described button (18) forms pressing flange (1801);
Microswitch (19), be located in described lock housing (1), be connected with the display floater of washing machine, described microswitch (19) forms the elastic button (1901) offseted with described pressing flange (1801), and described gate stop (3) is when locking completely, described external part is retracted described lock housing (1) completely, and described pressing flange (1801) is separated with described elastic button (1901), described microswitch (19) is connected, and the corresponding indicator lamp on the display floater of washing machine is bright;
Reseting pressuring spring (21), is located between described lock housing (1) inwall and described button (18), and to described button (18) be applied with door of washing machine open time, make the described external part of described button (18) stretch out the reset biasing force of described lock housing (1).
12. door lock of washing machines according to any one of claim 1-11, it is characterized in that: described first locating part (4) forms cavity, described second locating part (5) and described lockplate (12) are in described cavity.
13. door lock of washing machines according to claim 12, it is characterized in that: described second locating part (5) forms through hole, described lock housing (1) is provided with fixed axis (20), described second locating part (5) can along described fixed axis (20) towards near or away from the motion of described first locating part (4) direction.
14. door lock of washing machines according to claim 13, is characterized in that: described spacing bias piece (6) is set to the spring be set on described fixed axis (20).
CN201410037224.XA 2014-01-26 2014-01-26 A kind of door lock of washing machine Active CN104805644B (en)

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Publication number Priority date Publication date Assignee Title
CN105386277A (en) * 2015-12-08 2016-03-09 神龙电气有限公司 Washing machine door lock switch
CN105569475A (en) * 2016-03-02 2016-05-11 裕克施乐塑料制品(太仓)有限公司 High-performance household appliance door lock and household appliance
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
CN109138620A (en) * 2017-06-19 2019-01-04 伊利诺斯工具制品有限公司 Door lock
CN109236063A (en) * 2018-10-29 2019-01-18 温州天健电器有限公司 A kind of door latch structure and electrical 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
CN111911009A (en) * 2020-09-17 2020-11-10 温州天健电器有限公司 Door lock forced locking structure and door lock with same

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Publication number Priority date Publication date Assignee Title
CN105386277A (en) * 2015-12-08 2016-03-09 神龙电气有限公司 Washing machine door lock switch
CN105569475A (en) * 2016-03-02 2016-05-11 裕克施乐塑料制品(太仓)有限公司 High-performance household appliance door lock and household appliance
CN105569475B (en) * 2016-03-02 2017-03-15 裕克施乐塑料制品(太仓)有限公司 A kind of high-performance household electrical appliance door lock and household electrical appliance
CN109138620A (en) * 2017-06-19 2019-01-04 伊利诺斯工具制品有限公司 Door lock
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
CN109236063A (en) * 2018-10-29 2019-01-18 温州天健电器有限公司 A kind of door latch structure and electrical 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
CN111911009A (en) * 2020-09-17 2020-11-10 温州天健电器有限公司 Door lock forced locking structure and door lock with same

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