CN201567870U - Washing machine door lock switch - Google Patents

Washing machine door lock switch Download PDF

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Publication number
CN201567870U
CN201567870U CN2009202947373U CN200920294737U CN201567870U CN 201567870 U CN201567870 U CN 201567870U CN 2009202947373 U CN2009202947373 U CN 2009202947373U CN 200920294737 U CN200920294737 U CN 200920294737U CN 201567870 U CN201567870 U CN 201567870U
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CN
China
Prior art keywords
door
contact
washing machine
lock
lock piece
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.)
Expired - Fee Related
Application number
CN2009202947373U
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Chinese (zh)
Inventor
叶祥星
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.)
SELONG ELECTRIC CO., LTD.
Original Assignee
SHENLONG ELECTRICAL APPLIANCES CO Ltd ZHEJIANG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENLONG ELECTRICAL APPLIANCES CO Ltd ZHEJIANG filed Critical SHENLONG ELECTRICAL APPLIANCES CO Ltd ZHEJIANG
Priority to CN2009202947373U priority Critical patent/CN201567870U/en
Application granted granted Critical
Publication of CN201567870U publication Critical patent/CN201567870U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model comprises a casing, a cover body adapted to the casing, a signal switch, an electromagnetic drive mechanism and an executing mechanism, the executing mechanism comprises a plunger latch and a transmission mechanism for transferring the force moment of the electromagnetic drive mechanism to enable the plunger latch to operate, a lock hole corresponding to a bolt is provided on the washing machine casing, the signal switch comprises a shutdown contact, the signal switch is controlled by the executing mechanism and is connected with an external control system, characterized in that, the signal switch also comprises a door locking contact which is composed of a door locking stationary contact sheet and a door locking movable contact sheet, the door locking contact is fixed in the casing and is connected with the external control system by circuits, the door locking contact is linked with the locking parts included by the transmission mechanism. When the washing machine is positioned in an operating status, the door locking contact is in a closed state, the external control system enables the washing machine door to be locked, accordingly, the washing machine door lock can not be opened when working, thereby ensuring the safeties of assets and persons.

Description

Washing machine door switch
Technical field
The utility model relates to a kind of switch, especially a kind of washing machine door switch.
Background technology
At present, traditional roller washing machine door interlock switch only plays the function of cutting out the washing machine gate, and can't detect the on off state of gate, therefore, if gate is opened in working order the time, not only can cause in the cylinder liquid such as washing agent to spill, also may jeopardize the accident of personal safety.A kind of washing machine safety lock is now arranged on the market, it comprises housing, with the suitable lid of housing, signaling switch, electromagnetic drive mechanism and executing agency, described electromagnetic drive mechanism comprises that the moment of dead bolt and transmission electromagnetic drive mechanism makes the transmission mechanism of dead bolt action, on washing machine shell, be provided with and the corresponding lockhole of dead bolt, described signaling switch is connected by the actuating mechanism controls break-make and with external control system, described electromagnetic drive mechanism is a batch (-type) Electromagnetic Drive telescoping mechanism, described transmission mechanism is flexible commutation plece-cliped type transmission mechanism, when electromagnetic drive mechanism startup work produces electromagnetic force, make the locking or the unlatching of the drive dead bolt and the lockhole of transmission mechanism, give external control system by signaling switch with the feedback of status of living in of dead bolt simultaneously, thereby make door for washing machine when opening, can't start washing machine, and make washing machine after startup, can't open door for washing machine, and then guaranteed the safety of using.But this washing machine is perfect not enough, only plays the control safety effect of one deck, and this type of structural instability factor is more, and reliability and safety are not high enough, can not guarantee user's the person and property safety fully.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of more reliable, washing machine door switch that safety is higher.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of washing machine door switch, comprise housing, with the suitable lid of housing, signaling switch, electromagnetic drive mechanism and executing agency, described executing agency comprises that lock bolt makes the transmission mechanism of lock bolt action with the moment of transmitting electromagnetic drive mechanism, on washing machine shell, be provided with and the corresponding lockhole of dead bolt, described signaling switch comprises the pass door contact, signaling switch is connected by the actuating mechanism controls break-make and with external control system, it is characterized in that: described signaling switch also comprises the contact of locking a door, the contact of locking a door is made up of the lock a door static contact and the movable contact spring of locking a door, the contact of locking a door is fixedly arranged in the housing, and be connected with external control system by circuit, the lock piece that lock a door contact and transmission mechanism are comprised constitutes and is linked.
Wherein, closing door contact is made up of the close the door static contact and the movable contact spring of closing the door, closing door contact and executing agency formation is linked, described electromagnetic drive mechanism is connected with external control system, electromagnetic drive mechanism and lock piece are connected, the axle that lock piece is sheathed on the housing is done and is relatively rotated, and lock piece constitutes spacing the cooperation with lock bolt.
Wherein, lock bolt is provided with a projection towards the end of closing door contact, projection is connected with the movable contact spring of closing the door, closing the door that movable contact spring and the static contact of closing the door form can deciliter setting, constitute being linked of the lock bolt and the contact of opening the door, also be provided with block on the described lock piece, block is connected with the movable contact spring of locking a door, locking a door that movable contact spring and the static contact of locking a door form can deciliter setting, constitute being linked of the lock piece and the contact of locking a door, also be provided with limited block on the described lock piece, the surface that contacts with limited block on the lock bolt is provided with and the suitable slideway of limited block rotary motion trace, and limited block constitutes spacing the cooperation with slideway.
Wherein, electromagnetic drive mechanism is made up of coil, insulated connecting piece, armature and connector lug, coil is arranged side by side in the insulated connecting piece two ends, the coil axle center is on the same straight line and along the axle center and has through hole, connector lug is fixedly arranged on the insulated connecting piece and is connected with terminal on the coil, armature length and loop length arranged side by side are suitable, armature one end is provided with the shirt rim, the armature other end passes the through hole on the coil, described lock piece is provided with and the suitable groove of the shirt rim end of armature, and lock piece and armature constitute described being linked.
Adopt technique scheme, when washing machine was in running order, the contact of locking a door was in closure state, and then external control system makes door of washing machine locked pressure, thereby can't open the washing machine door lock when work, had guaranteed the safety of user's the property and the person.
Of the present utility modelly further be set to: also comprise pull bar, pull bar is positioned at housing, and pull bar is provided with a pushing block that protrudes, and also is provided with a force block on the lock piece perisporium, and pushing block is positioned on the movement locus of force block, and forms with force block and to be linked.
Adopt technique scheme, when external control system, close door contact or break down in the contact of locking a door, when can't normally open the washing machine door lock, can lock bolt be moved by pull bar, thereby realization is to the manual release of door lock by external control system.
Of the present utility modelly further be set to: described pull bar is provided with back-moving spring, also is provided with back-moving spring on the described lock piece again.
Adopt technique scheme, the back-moving spring on the pull bar to guarantee convenient and swift in the pull bar operation, improve the operating efficiency of pull bar; Back-moving spring on the lock piece has guaranteed the rapid and convenient in the lock piece reaction, has also played the effect that improves the lock piece operating efficiency simultaneously.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the lateral view of the utility model embodiment.
Fig. 3 is the schematic internal view of the utility model embodiment
Fig. 4 is the schematic diagram of the utility model embodiment lock bolt.
Fig. 5 is the schematic diagram of the utility model embodiment transmission mechanism.
Fig. 6 is the schematic diagram of the utility model embodiment electromagnetic drive mechanism.
Fig. 7 is the schematic diagram of the utility model embodiment pull bar.
Schematic diagram when Fig. 8 normally unblanks for the utility model embodiment
Schematic diagram when Fig. 9 manually unblanks for the utility model embodiment.
The specific embodiment
As shown in the figure, present embodiment comprise housing 2, with suitable lid 1, signaling switch 6, electromagnetic drive mechanism 5 and the executing agency of housing 2.Described signaling switch 6 comprises the pass door contact 61 and the contact 62 of locking a door, and is provided with insulating stand in the housing 2, closes on the door contact 61 and the insulating stand of contact 62 framves arranged side by side in housing 2 of locking a door.Close on 61 insulating stands that in housing 2, are provided with of door contact, closing door contact 61 is made up of the close the door static contact 611 and the movable contact spring 612 of closing the door, close door contact 61 1 ends and is connected with external control system, the other end can realize the closing the door open and close of the static contact 611 and the movable contact spring 612 of closing the door is operated.The contact 62 of locking a door is made up of the lock a door static contact 621 and the movable contact spring 622 of locking a door, and contact 62 1 ends of locking a door are connected with external control system, and the other end can be realized locking a door separating and closed procedure of the static contact 621 and the movable contact spring 622 of locking a door.Housing 2 is provided with the lockhole 21 that inserts for dead bolt, lock bolt 3 one end faces are provided with the back-moving spring 34 of conflicting with housing 2, the end that lock bolt 3 is provided with back-moving spring 34 has the groove 31 that matches with lockhole, lock bolt 3 another ends towards the pass door contact are provided with a projection 31, when the projection 31 on the lock bolt 3 is in separation or closure state at the washing machine door lock, the drive movable contact spring 612 of closing the door moves forward and backward along axis direction with lock bolt 3, realization is closed the door separating and closed interlock of the movable contact spring 612 and the static contact 611 of closing the door, thereby constitutes lock bolt 3 and close being linked of door contact 61.Also be provided with pull bar 7 on the housing 2, pull bar 7 is positioned at the slideway of establishing for the push pull maneuver of pull bar 7 specially on the housing 2, pull bar 7 one ends are provided with a pushing block 71 that protrudes, the other end is provided with a handle 72, also be provided with back-moving spring between pull bar 7 and the housing 2, wherein pushing block 71 is positioned on the movement locus of force block 43 outstanding on lock piece 4 sidewalls, and is linked with force block 43 formation.
Electromagnetic drive mechanism 5 is by two coils 51, an insulated connecting piece 52, an armature 53 and corresponding three connector lugs are formed, two coils 51 are arranged side by side in insulated connecting piece 52 two ends, coil 51 axle center are on the same straight line, be installed with three connector lugs on the insulated connecting piece 52, there are a lead and a connector lug wherein to connect into common port 54 on two coils respectively, another lead is connected with other two connector lugs respectively on two coils 51, and when making coil 51 energising, two current opposite in direction that coil 51 is flow through, armature 53 length and two coils, 51 length arranged side by side are suitable, armature 53 1 ends are provided with the shirt rim, and armature 53 other ends pass two coils, 51 centers.Wherein, two coils, 51 current opposite in direction.
Wherein, executing agency comprises that lock bolt 3 makes the transmission mechanism 4 of lock bolt 3 actions with the moment of transmitting electromagnetic drive mechanism 5, described transmission mechanism 4 is a lock piece 4, lock piece 4 is sheathed on the fixed axis on the housing 2 and does and relatively rotates, lock piece 4 is provided with back-moving spring, and back-moving spring is positioned at lock piece bottom and inconsistent with housing.Also be provided with the groove 41 suitable on the lock piece 4 with the shirt rim end of armature 52, armature 53 places in the groove 41 and with lock piece 4 formation and is linked, when two coils 51 are taken turns flow-thru electrode, hot-wire coil 51 will produce magnetic induction and drive armature 53 and move along the induction force direction, and armature 53 will drive the lock piece rotation simultaneously.Also be provided with block 42 on the lock piece 4, the block 42 and movable contact spring 622 interlocks of locking a door, promptly when lock piece 4 experience are rotated preceding and are rotated the back state, the circumferencial direction motion that block 42 rotates with lock piece 4, driving the inconsistent movable contact spring 622 of locking a door simultaneously is subjected to displacement, separating of the static contact 621 and the movable contact spring 622 of locking a door or closed interlock thereby realization is locked a door, and then constitute being linked of the lock piece 4 and the contact 62 of locking a door.Also convex with a limited block 44 on the lock piece 4, then the surface that contacts with limited block 44 on the lock bolt 3 is provided with the slideway 33 suitable with the limited block rotary motion trace, makes limited block 44 constitute spacing the cooperation with slideway 33.Also be provided with a force block on lock piece 4 perisporiums, when door lock was in open mode, pull bar 7 was separated with force block 43 because of the effect of back-moving spring; When door lock was in closure state, force block 43 was inconsistent with the pushing block 71 on the pull bar 7.
Wherein, the back-moving spring on the pull bar 7 has guaranteed convenient and swift in pull bar 7 operation, improves the operating efficiency of pull bar 7; Back-moving spring on the lock piece 4 has guaranteed the rapid and convenient in lock piece 4 reactions, has also played the effect that improves lock piece 4 operating efficiencies simultaneously.
Operating principle of the present utility model is: when door lock is in closure state: dead bolt inserts lockhole 21, and the groove inwall on the pairing lock bolts 3 in the lockhole 21 applied active force, make lock bolt 3 be subjected to displacement and produce the action of locking a door, and the projection 32 on the while lock bolt 3 is sent out 61 living interlock effects with the contact of opening the door, make contact 61 closures of opening the door, signal of telecommunication of external control system will be passed in the closed contact 61 of opening the door, external control system then feeds back corresponding electric signal and gives electromagnetic drive mechanism 5, coil 51 conduction backs in the electromagnetic drive mechanism 5 produce induction force and promote armature 53 outwards moves, armature 53 drives lock piece 4 and rotates, thereby limited block 44 on the lock piece 4 is turned in the slideway 33 on the lock bolt 3 fully, and limited block 44 is positioned on the track that lock bolt resets, the inwall of limited block 44 1 end faces and slideway 33 is inconsistent, stop lock bolt 3 under the effect of back-moving spring, to reset to door opening state, thereby realize the locked operation of washing machine door lock.Wherein, in the rotation of lock piece 4, the projection on the lock piece 4 and contact 62 interlocks of locking a door, make the closure of the lock a door static contact 621 and the movable contact spring 622 of locking a door, thereby the signal of telecommunication that the closed contact 62 of locking a door has locked for door of washing machine of external control system, at this moment, external control system will send the locked cue of washing machine door lock, as warning light or prompt tone; And, when only receiving the signal that is imported into the contact 62 of locking a door, external control system just can pass to the electric device enabling signal, make the washing machine running of normally doing washing, also promptly when door of washing machine is in open mode, washing machine can't normally start, thereby guarantee the safety of user's the property and the person.
When laundry finishes, external control system imports the corresponding signal of telecommunication into can for the electromagnetic drive mechanism 5 in the washing machine door lock, then another coil 51 energisings in the electromagnetic drive mechanism 5,51 of hot-wire coils produce induction force and draw armature to coil direction, armature 53 drives lock piece 4 and rotates, and then the limited block 44 and the projection 42 that drive on the lock piece 4 rotate.The rotation of projection 42 makes the movable contact spring 622 of locking a door separate with the static contact 621 of locking a door, thereby make external control system receive the signal that door lock is opened, then external control system will be made corresponding demonstration or judgement, as the electric device or the corresponding recoil simulator of closing in the running send the opened signal of door, as warning light or prompt tone; Simultaneously, the rotation of limited block 44 makes the spacing relation broken of itself and lock bolt 3, and lock bolt 3 resets under the effect of back-moving spring, and the washing machine door lock is unlocked, and this moment, dead bolt discharged from door lock.
Therefore, when washing machine is in running order, the contact 62 of locking a door will be in closure state always, and then external control system will make door of washing machine locked all the time, thereby can't open the washing machine door lock when work, and then guarantee the safety of user's the property and the person.

Claims (9)

1. washing machine door switch, comprise housing, with the suitable lid of housing, signaling switch, electromagnetic drive mechanism and executing agency, described executing agency comprises that lock bolt makes the transmission mechanism of lock bolt action with the moment of transmitting electromagnetic drive mechanism, on washing machine shell, be provided with and the corresponding lockhole of dead bolt, described signaling switch comprises the pass door contact, signaling switch is connected by the actuating mechanism controls break-make and with external control system, it is characterized in that: described signaling switch also comprises the contact of locking a door, the contact of locking a door is made up of the lock a door static contact and the movable contact spring of locking a door, the contact of locking a door is fixedly arranged in the housing, and be connected with external control system by circuit, the lock piece that lock a door contact and transmission mechanism are comprised constitutes and is linked.
2. washing machine door switch according to claim 1, it is characterized in that: described pass door contact is made up of the close the door static contact and the movable contact spring of closing the door, closing door contact and executing agency formation is linked, described electromagnetic drive mechanism is connected with external control system, electromagnetic drive mechanism and lock piece are connected, the axle that lock piece is sheathed on the housing is done and is relatively rotated, and lock piece constitutes spacing the cooperation with lock bolt.
3. washing machine door switch according to claim 1 and 2, it is characterized in that: described lock bolt is provided with a projection towards the end of closing door contact, projection is connected with the movable contact spring of closing the door, closing the door that movable contact spring and the static contact of closing the door form can deciliter setting, constitute being linked of the lock bolt and the contact of opening the door, also be provided with block on the described lock piece, block is connected with the movable contact spring of locking a door, locking a door that movable contact spring and the static contact of locking a door form can deciliter setting, constitute being linked of the lock piece and the contact of locking a door, also be provided with limited block on the described lock piece, the surface that contacts with limited block on the lock bolt is provided with and the suitable slideway of limited block rotary motion trace, and limited block constitutes spacing the cooperation with slideway.
4. washing machine door switch according to claim 1 and 2, it is characterized in that: described electromagnetic drive mechanism is by coil, insulated connecting piece, armature and connector lug are formed, coil is arranged side by side in the insulated connecting piece two ends, the coil axle center is on the same straight line and along the axle center and has through hole, connector lug is fixedly arranged on the insulated connecting piece and is connected with terminal on the coil, armature length and loop length arranged side by side are suitable, armature one end is provided with the shirt rim, the armature other end passes the through hole on the coil, described lock piece is provided with and the suitable groove of the shirt rim end of armature, and lock piece and armature constitute described being linked.
5. washing machine door switch according to claim 1 and 2 is characterized in that: also comprise pull bar, pull bar is positioned at housing, pull bar is provided with a pushing block that protrudes, the lock piece perisporium is provided with a force block, and pushing block is positioned on the movement locus of force block, and is linked with force block formation.
6. washing machine door switch according to claim 3 is characterized in that: also comprise pull bar, pull bar is positioned at housing, pull bar is provided with a pushing block that protrudes, also be provided with a force block on the lock piece perisporium, pushing block is positioned on the movement locus of force block, and is linked with force block formation.
7. according to claim 1 or 2 or 6 described washing machine door switch, it is characterized in that: described pull bar is provided with back-moving spring, also is provided with back-moving spring on the described lock piece.
8. washing machine door switch according to claim 3 is characterized in that: described pull bar is provided with back-moving spring, also is provided with back-moving spring on the described lock piece.
9. washing machine door switch according to claim 4 is characterized in that: described pull bar is provided with back-moving spring, also is provided with back-moving spring on the described lock piece.
CN2009202947373U 2009-12-21 2009-12-21 Washing machine door lock switch Expired - Fee Related CN201567870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202947373U CN201567870U (en) 2009-12-21 2009-12-21 Washing machine door lock switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202947373U CN201567870U (en) 2009-12-21 2009-12-21 Washing machine door lock switch

Publications (1)

Publication Number Publication Date
CN201567870U true CN201567870U (en) 2010-09-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202947373U Expired - Fee Related CN201567870U (en) 2009-12-21 2009-12-21 Washing machine door lock switch

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741434A (en) * 2014-01-02 2014-04-23 合肥荣事达三洋电器股份有限公司 Automatic door lock device
CN107524353A (en) * 2016-06-20 2017-12-29 Lg电子株式会社 Locking device and the home appliance including the locking device
CN109281550A (en) * 2018-10-23 2019-01-29 杭州神林电子有限公司 A kind of door lock assembly
CN111236760A (en) * 2018-11-29 2020-06-05 伊利诺斯工具制品有限公司 Door lock

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741434A (en) * 2014-01-02 2014-04-23 合肥荣事达三洋电器股份有限公司 Automatic door lock device
CN103741434B (en) * 2014-01-02 2015-12-23 惠而浦(中国)股份有限公司 Automatic door lock device
CN107524353A (en) * 2016-06-20 2017-12-29 Lg电子株式会社 Locking device and the home appliance including the locking device
CN107524353B (en) * 2016-06-20 2019-08-13 Lg电子株式会社 Locking device and household appliance including the locking device
US10920362B2 (en) 2016-06-20 2021-02-16 Lg Electronics Inc. Latch lock and home appliance including the same
CN109281550A (en) * 2018-10-23 2019-01-29 杭州神林电子有限公司 A kind of door lock assembly
CN109281550B (en) * 2018-10-23 2024-05-24 杭州神林电子有限公司 Door lock device
CN111236760A (en) * 2018-11-29 2020-06-05 伊利诺斯工具制品有限公司 Door lock

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SELONG ELECTRIC CO., LTD.

Free format text: FORMER OWNER: SHENLONG ELECTRICAL APPLIANCES CO., LTD., ZHEJIANG

Effective date: 20111223

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 325600 WENZHOU, ZHEJIANG PROVINCE TO: 314000 JIAXING, ZHEJIANG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20111223

Address after: 314000 No. 2056 East Nanxi Road, Zhejiang, Jiaxing

Patentee after: SELONG ELECTRIC CO., LTD.

Address before: 325600, Yueqing, Zhejiang province Liushi town wide industrial zone

Patentee before: Shenlong Electrical Appliances Co., Ltd., Zhejiang

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Washing machine door switch and control method thereof

Effective date of registration: 20150106

Granted publication date: 20100901

Pledgee: The Agricultural Bank of Jiaxing branch of Limited by Share Ltd China garshin

Pledgor: SELONG ELECTRIC CO., LTD.

Registration number: 2015990000014

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100901

Termination date: 20151221

EXPY Termination of patent right or utility model