CN101892571B - Locking device of door of washing machine - Google Patents
Locking device of door of washing machine Download PDFInfo
- Publication number
- CN101892571B CN101892571B CN2009102036079A CN200910203607A CN101892571B CN 101892571 B CN101892571 B CN 101892571B CN 2009102036079 A CN2009102036079 A CN 2009102036079A CN 200910203607 A CN200910203607 A CN 200910203607A CN 101892571 B CN101892571 B CN 101892571B
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- Prior art keywords
- door
- pin
- slide block
- mount pad
- washing machine
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Abstract
The invention discloses a locking device of a door of a washing machine, comprising an upper housing (1), an installing seat (27) and an installing substrate (21), wherein a limiting block (8), a peach-shaped core slider (12), a coil release, an electric heating switch and four plug pins (9, 17, 20 and 28) are arranged inside the installing seat (27); the limiting block (8) is linked with the electric heating switch; the bottom of the installing seat (27) is provided with a square hole which corresponds to the limiting block (8); the installing substrate (21) is provided with a slider (24) and a lever (23); when the head of a door hook (32) is inserted, the slider (24) and the lever (27) are pushed by the head of the door hook (32); and the upper housing (1) is covered on the assembled installing seat (27), then is put into the assembled installing substrate (21) together. The device can be started normally and forced to start as well, and fast cut off power supply after being forced to start; and the device has the advantages of safety, reliability, flexible movement and the like and is especially applied to control the on/off of the doors of the various cylinder washing machines.
Description
Technical field
The present invention relates to the gate locking device of washing machine or dryer, belong to household electrical appliance technical field.
Background technology
Existing washing machine generally all is provided with door lock, and door lock has safety device, has mechanical caging, delay protection function, can give other devices energising performing a programmes through it; After energising 15 seconds, gate stop is pinned in safety device work; In the washing machine course of work, door is in the lock state, after washing procedure finishes; Just locking mechanism is discharged after safety device will be delayed time two, three minutes, give other appliance cut-offs of washing machine, Men Caineng opens.Purpose be prevent in the washing process or in the dehydration door be opened, water flows out in the washing machine or the clothing that flies out is hurted sb.'s feelings.Like Chinese patent CN200520113959.2 disclosed " a kind of locking device of barrel washing machine door ", this device is after shutting door of washing machine and beginning operate as normal, and door of washing machine is in the lock state all the time; Can not open; Only finish in washing machine work, behind the deenergization, door of washing machine just can normally be opened; The user can not carry out enforced opening according to actual operating position, even if also there is very big potential safety hazard in positive opening.In addition, through regular meeting's not self-locking, self-locking lamp gate fault such as do not open that do not work, cuts off the power supply that occurs switching on.
Summary of the invention
To the problem that above-mentioned prior art exists, the present invention aims to provide a kind of can normally open and can enforced opening, and behind enforced opening, can guarantee safe locking device of door of washing machine by the fast shut-off power supply.
The technical scheme that the present invention adopts is:
A kind of locking device of door of washing machine comprises upper encloser, mount pad and mounting base, is provided with limited block, peach core slide block, coil electrical apparatus release, heater switch and four pins in the said mount pad; Wherein limited block and heater switch interlock; When coil electrical apparatus release drive peach core slide block slidably reciprocated, limited block can freely move up and down, and the bottom of mount pad is provided with the square hole corresponding to limited block; Be provided with in the mounting base and can move forward and backward and automatically reset slide block and can rotate also automatically reset lever; When the head that colludes of door inserted, the resilience thruster movable slider through its head moved, and promoted lever through its side and rotate; The other end of slide block and lever is sheltered limited block before moving and rotating from the position of square hole inner process; Mobile and this position, back that rotate in place is opened, and the end of lever is provided with the ramp projections of ability jack-up limited block when resetting, and above-mentioned upper encloser covers in the mounting base that assembles of behind the mount pad that assembles, packing into together.
Said coil electrical apparatus release is contained in the position, the lower left corner of mount pad; Mainly be made up of coil, coil rack, iron core, outer iron-clad, coil is on coil rack, and the iron shell is stuck in the coil rack outside; Iron core sleeve is in coil rack; The other end is stuck in the peach core slide block slot, and jump ring is stuck between peach core slide block and the mount pad, and stage clip is clipped between peach core slide block and the mount pad.
The first pin riveting in said four pins is in mount pad; The 3rd pin, four-limbed and second pin are stuck in the mount pad; First thermistor is clipped between second pin and first pin, and the first pin other end is connected with coil rack, and second pin, one end is connected with coil rack; The other end is connected with the 3rd pin, and four pins all are fixedly mounted in the mount pad.
Said heater switch mainly is made up of first bimetal leaf, second bimetal leaf and second thermistor; First bimetal leaf, first bimetal leaf and second thermistor overlay on first pin successively, and movable contact spring is close to the 3rd pin location, is locked in the mount pad through self threading pin; Reed is stuck on two pairs of points of movable contact spring; The side channel of limited block is stuck in the movable contact spring end, and iron core drives peach core slide block when the coil direction slidably reciprocates, and limited block can freely move up and down.
Said lever is contained on the fulcrum of mounting base, and extension spring one end is stuck on the lever, and an end is stuck on the mounting base, and slide block is contained on the mounting base, contacts with spring in being stuck in mounting base.
The side of said limited block is provided with cylinder, and peach core slide block is provided with corresponding with it inclined-plane, and peach core slide block can freely move up and down through making inclined-plane and cooperating of cylinder limited block when the coil direction slidably reciprocates.
Said lever goes out vertical side plate with an end bending that matches in eave tile portion side, and a door eave tile portion side is corresponding inclined-plane.
Said heater switch is provided with set screw, and this screw withstands in the hole of first bimetal leaf through the screwed hole of first pin.
One end cap upper cover plate of said slide block.
The present invention is used for opening the door and closing the door of washing machine or dryer; Through the slide block leverage can be quick, sensitive detect door lock and whether opened by force, when door of washing machine is opened by force, lever in reseting procedure with limited block jack-up; Thereby cut off the heater switch of interlock with it at once; Make electricity drive parts and shut down, owing to need not to set up other control element, so structure and control are all simpler; Have safe and reliable, advantage such as be active in one's movements, be particularly suitable for controlling the switch of various barrel washing machine doors.
Description of drawings
Fig. 1 is the integrally-built exploded perspective view of the present invention;
Fig. 2 is the internal structure sketch map after the present invention assembling;
Fig. 3 is the external structure sketch map after upper encloser and the mount pad assembling;
Fig. 4 is the external structure sketch map after the mounting base assembling;
Fig. 5 is the external structure sketch map after the present invention assembling;
Fig. 6 (a) colludes when not inserting door lock for door, the location drawing of lever in mounting base, and Fig. 6 (b) colludes when not inserting door lock for door, the cut away view of overlooking of the present invention, Fig. 6 (c) is that the A of Fig. 6 (b) is to view;
Fig. 7 (a) colludes the beginning when inserting door lock for door, the location drawing of lever in mounting base, and Fig. 7 (b) colludes the beginning when inserting door lock for door, the cut away view of overlooking of the present invention, Fig. 7 (c) is that the B of Fig. 7 (b) is to view;
When Fig. 8 (a) locks for door lock, the location drawing of lever in mounting base, when Fig. 8 (b) locks for door lock, the cut away view of overlooking of the present invention, Fig. 8 (c) is that the C of Fig. 8 (b) is to view;
When Fig. 9 normally resets for door lock, the cut away view of overlooking of the present invention;
When Figure 10 (a) is the door lock forced resetting, the location drawing of lever in mounting base, when Figure 10 (b) is the door lock forced resetting, the cut away view of overlooking of the present invention, Figure 10 (c) be the D of Figure 10 (b) to view, Figure 10 (d) is the H-H view of Figure 10 (c).
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is done further detailed explanation.
Description of reference numerals is following:
1---upper encloser 2---pin
3---reed 4---movable contact spring
5---thermistor 6---bimetal leaf
7---bimetal leaf 8---limited block
9---pin 10---stage clip
11---jump ring 12---peach core slide block
13---coil 14 iron cores
15---iron shell 16---coil rack
17---pin 18---pin
19---thermistor 20---pin
21---mounting base 22---extension spring
23---lever 24---slide block
25---spring 26---cover plate
27---mount pad 28---pin
29---set screw 30---self threading pin
31---ramp projections 32---door colludes
To shown in Figure 5, the external structure of this locking device of door of washing machine mainly is made up of upper encloser 1, mount pad 27 and mounting base 21, is provided with limited block 8, peach core slide block 12, coil electrical apparatus release, heater switch and four pins 9,17,20,28 in the mount pad 27 like Fig. 1; The coil electrical apparatus release is contained in the position, the lower left corner of mount pad 27, mainly is made up of coil 13, coil rack 16, iron core 14, outer iron-clad 15, and coil 13 is on coil rack 16; Iron shell 15 is stuck in coil rack 16 outsides, and iron core 14 is enclosed within 16 li of coil racks, and the other end is stuck in peach core slide block 12 grooves; Jump ring 11 is stuck between peach core slide block 12 and the mount pad 27; Stage clip 10 is clipped between peach core slide block 12 and the mount pad 27, and pin 17 rivetings are in mount pad 27, and pin 28, pin 9 and pin 20 are stuck in the mount pad 27; Thermistor 19 is clipped between pin 20 and the pin 18; Coil current intensity to the coil electrical apparatus release shields, and pin 18 other ends are connected with coil rack 16, and pin 2 one ends are connected with coil rack 16; The other end is connected with pin 28, and four pins all are fixedly mounted in the mount pad 27.Heater switch mainly is made up of bimetal leaf 7, bimetal leaf 6 and thermistor 5; Bimetal leaf 7, bimetal leaf 6 and thermistor 5 overlay on the pin 17 successively, and movable contact spring 4 is close to pin 28 location, is locked in the mount pad 27 through self threading pin 30; Reed 3 is stuck on two pairs of points of movable contact spring; Set screw 29 withstands in the hole of bimetal leaf 7 through the screwed hole of pin 17, and the side channel of limited block 8 is stuck in the movable contact spring end, links with heater switch; The side of limited block 8 is provided with cylinder, and peach core slide block 12 is provided with corresponding with it inclined-plane.After coil 13 energisings; Be pin 20, switch between 28; Iron core 14 drives peach core slide blocks 12 when the coil direction slidably reciprocates, and freely move up and down through making inclined-plane and cooperating of cylinder limited block 8 abilities, and the bottom of mount pad 27 is provided with the square hole corresponding to limited block 8.Be provided with in the mounting base 21 and can move forward and backward and automatically reset slide block 24 and can rotate also automatically reset lever 23, lever 23 is contained on the fulcrum of mounting base 21, and extension spring 22 1 ends are stuck on the lever 23; One end is stuck on the mounting base 21, and slide block 24 is contained on the mounting base 21, with spring 25 Elastic Contact that are stuck in the mounting base 21; One end cap upper cover plate 26 of slide block 24; Lever 23 colludes an end bending that matches 32 head sides and goes out vertical side plate with door, and door colludes 32 head sides and is corresponding inclined-plane, when door colludes 32 head and inserts; Resilience thruster movable slider 24 through its head moves; And pass through its side promotion lever 23 and rotate, the other end of slide block 24 and lever 23 is sheltered limited block 8 before mobile and rotation from the position of square hole inner process, and mobile and this position, back that rotate in place is opened; The end of lever 23 is provided with the ramp projections of ability jack-up limited block 8 when resetting, and above-mentioned upper encloser 1 covers in the mounting base 21 that assembles of behind the mount pad that assembles 27, packing into together.
Shown in Fig. 6 (a), Fig. 6 (b), Fig. 6 (c), when door of washing machine was opened, limited block 8 from the square hole inner process of mount pad 27, do not sheltered by slide block 24 and lever 23 by projection position.
Shown in Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), when door of washing machine was closed, promptly the door of washing machine colluded when inserting, and door eave tile portion impels lever 23 to rotate, and this moment, limited block 8 projection positions were still sheltered by slide block 24.
Shown in Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), when door is closed when putting in place, when promptly the door of washing machine colluded and is inserted into, lever 23 rotate in place, and slide block 24 puts in place in the promotion lower slider that door colludes, and this moment, limited block 8 projection positions were open.Give coil 13 energisings, under the coil effect, iron core 14 drives peach core slide block 12 to the coil direction motion, and jump ring 11 is located in peach core slide block, has stayed the space of downward action for limited block 8.Galvanization between pin 17 and 28; Thermistor 5 adstante febres; Make bimetal leaf 6,7 bendings upwarp distortion; Impel on the movable contact spring 4 the contact reed 3 effect down with pin 9 on contacting, this moment, switch played Facilitation, and drive is stuck in limited block 8 on the movable contact spring 4 from mount pad 27 bottom square hole inner processes.Indicate the door of washing machine locking this moment.
As shown in Figure 9, after the completion of door of washing machine operation cycle, controller has two continuous excitation pulse signals for tripping coil 13; The projection that iron core 14 drives on the peach core slide block 12 backs down limited block 8; Movable contact spring 4 and pin 9 are broken off, the washing machine outage, this moment, door can normally be opened.
Shown in Figure 10 (a), Figure 10 (b), Figure 10 (c), 10 (d); When the enforced opening door of washing machine, door colluded and pulled out this moment, and lever 23 rotates under the pulling force of spring 22 and resets; The protruding jack-up limited block 8 of lever end resets; Movable contact spring 4 and pin 9 are broken off, the washing machine outage, slide block 24 also resets under the effect of spring 25.
The present invention is not limited to above-mentioned preferred forms, and anyone can draw other various forms of technical schemes under enlightenment of the present invention.For example this device is used for dryer or the like.Though but on its shape or structure, do any variation, every identical with the present invention or akin technical scheme is all within its protection domain.
Claims (9)
1. locking device of door of washing machine; Comprise upper encloser (1), mount pad (27) and mounting base (21), it is characterized in that, be provided with limited block (8), peach core slide block (12), coil electrical apparatus release, heater switch and four pins (9,17,20,28) in the said mount pad (27); Wherein limited block (8) links with heater switch; The coil electrical apparatus release drives peach core slide block (12) when slidably reciprocating, and limited block (8) can freely move up and down, and the bottom of mount pad (27) is provided with the square hole corresponding to limited block (8); Be provided with in the mounting base (21) and can move forward and backward and automatically reset slide block (24) and can rotate also automatically reset lever (23); When door colludes the head insertion of (32), mobile through the resilience thruster movable slider (24) of its head, and pass through its side promotion lever (23) and rotate; The other end of slide block (24) and lever (23) is sheltered limited block (8) before moving and rotating from the position of square hole inner process; Mobile and this position, back that rotate in place is opened, and the end of lever (23) is provided with the ramp projections of ability jack-up limited block (8) when resetting, and above-mentioned upper encloser (1) covers in the mounting base (21) that assembles of behind the mount pad that assembles (27), packing into together.
2. locking device of door of washing machine according to claim 1; It is characterized in that said coil electrical apparatus release is contained in the position, the lower left corner of mount pad (27), mainly form by coil (13), coil rack (16), iron core (14), outer iron-clad (15); Coil (13) is on coil rack (16); Iron shell (15) is stuck in coil rack (16) outside, and iron core (14) is enclosed within coil rack (16) lining, and the other end is stuck in peach core slide block (12) groove; Jump ring (11) is stuck between peach core slide block (12) and the mount pad (27), and stage clip (10) is clipped between peach core slide block (12) and the mount pad (27).
3. locking device of door of washing machine according to claim 2; It is characterized in that; First pin (17) riveting in said four pins is in mount pad (27), and second pin (28), the 3rd pin (9) and four-limbed (20) are stuck in the mount pad (27), and thermistor (19) is clipped between four-limbed (20) and first pin (18); Said first pin (18) other end is connected with coil rack (16); Second pin (2) one ends are connected with coil rack (16), and the other end is connected with said second pin (28), and said four pins all are fixedly mounted in the mount pad (27).
4. locking device of door of washing machine according to claim 3; It is characterized in that said heater switch mainly is made up of first bimetal leaf (7), second bimetal leaf (6) and thermistor (5), said first bimetal leaf (7), second bimetal leaf (6) and thermistor (5) overlay on said first pin (17) successively; Movable contact spring (4) is close to second pin (28) location; Be locked in the mount pad (27) through self threading pin (30), reed (3) is stuck on two pairs of points of movable contact spring, and the side channel of limited block (8) is stuck in the movable contact spring end; Iron core (14) drives peach core slide block (12) when the coil direction slidably reciprocates, and limited block (8) can freely move up and down.
5. locking device of door of washing machine according to claim 4; It is characterized in that; Said lever (23) is contained on the fulcrum of mounting base (21), and extension spring (22) one ends are stuck on the lever (23), and an end is stuck on the mounting base (21); Slide block (24) is contained on the mounting base (21), with spring (25) Elastic Contact that is stuck in the mounting base (21).
6. locking device of door of washing machine according to claim 5; It is characterized in that; The side of said limited block (8) is provided with cylinder; Peach core slide block (12) is provided with corresponding with it inclined-plane, and peach core slide block (12) can freely move up and down through making inclined-plane and cooperating of cylinder limited block (8) when the coil direction slidably reciprocates.
7. locking device of door of washing machine according to claim 6 is characterized in that, said lever (23) colludes an end bending that matches (32) head side with door and goes out vertical side plate, and door colludes (32) head side and is corresponding inclined-plane.
8. locking device of door of washing machine according to claim 7 is characterized in that, said heater switch is provided with set screw (29), and this screw withstands in the hole of said first bimetal leaf (7) through the screwed hole of said first pin (17).
9. locking device of door of washing machine according to claim 8 is characterized in that, an end cap upper cover plate (26) of said slide block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102036079A CN101892571B (en) | 2009-05-19 | 2009-05-19 | Locking device of door of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102036079A CN101892571B (en) | 2009-05-19 | 2009-05-19 | Locking device of door of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101892571A CN101892571A (en) | 2010-11-24 |
| CN101892571B true CN101892571B (en) | 2012-04-25 |
Family
ID=43101911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102036079A Expired - Fee Related CN101892571B (en) | 2009-05-19 | 2009-05-19 | Locking device of door of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101892571B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663290A (en) * | 2019-10-15 | 2021-04-16 | 比特龙有限公司 | Improved door locking device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535118B (en) * | 2011-12-16 | 2013-06-05 | 温州天健电器有限公司 | Novel power door lock for washing machine |
| KR101606725B1 (en) * | 2012-07-23 | 2016-03-28 | 엘지전자 주식회사 | Lid locker of washing machine |
| CN104805644B (en) * | 2014-01-26 | 2018-04-24 | 温州天健电器有限公司 | A kind of door lock of washing machine |
| CN104805645B (en) * | 2014-01-27 | 2018-05-01 | 温州天健电器有限公司 | A kind of door lock of washing machine |
| CN104032541B (en) * | 2014-06-23 | 2016-01-20 | 温州天健电器有限公司 | A kind of door lock of washing machine |
| CN104099753B (en) * | 2014-08-04 | 2016-01-06 | 温州天健电器有限公司 | A kind of door lock of washing machine |
| CN105768854B (en) * | 2014-12-23 | 2018-07-27 | 广东鼎燊云厨科技股份有限公司 | A kind of multi-stage combination protection steamer and multi-stage combination guard method |
| CN111236760B (en) * | 2018-11-29 | 2022-12-09 | 伊利诺斯工具制品有限公司 | Door lock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1113103A2 (en) * | 1999-12-29 | 2001-07-04 | Lg Electronics Inc. | Door lock switch assembly in drum type washing machine |
| CN2837339Y (en) * | 2005-07-18 | 2006-11-15 | 温州天健电器有限公司 | A kind of locking device of barrel washing machine door |
| CN2853860Y (en) * | 2005-05-30 | 2007-01-03 | 温州天健电器有限公司 | Switch for door of drum washing machine |
-
2009
- 2009-05-19 CN CN2009102036079A patent/CN101892571B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1113103A2 (en) * | 1999-12-29 | 2001-07-04 | Lg Electronics Inc. | Door lock switch assembly in drum type washing machine |
| CN2853860Y (en) * | 2005-05-30 | 2007-01-03 | 温州天健电器有限公司 | Switch for door of drum washing machine |
| CN2837339Y (en) * | 2005-07-18 | 2006-11-15 | 温州天健电器有限公司 | A kind of locking device of barrel washing machine door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663290A (en) * | 2019-10-15 | 2021-04-16 | 比特龙有限公司 | Improved door locking device |
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| Publication number | Publication date |
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| CN101892571A (en) | 2010-11-24 |
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Granted publication date: 20120425 Termination date: 20180519 |