CN1536139A - Cover locking device of washing machine - Google Patents
Cover locking device of washing machine Download PDFInfo
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- CN1536139A CN1536139A CNA031094651A CN03109465A CN1536139A CN 1536139 A CN1536139 A CN 1536139A CN A031094651 A CNA031094651 A CN A031094651A CN 03109465 A CN03109465 A CN 03109465A CN 1536139 A CN1536139 A CN 1536139A
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Abstract
The present invention relates to a lid locking device for washing machine. The washing machine has an improved lid locking device, even if its power supply is cut off, the lid also can be opened and closed, so that if the child is fallen into the washing tub, the lid can be opened, the child can obtain protection. Besides, it also can raise working trustworthines of washing machine.
Description
Technical field
The present invention relates to a kind of washing machine; Furtherly, the lid blocking device (DEVICE FOR LOCKING DOOR IN WASHING MACHINE) that relates to a kind of washing machine.
Background technology
Generally, washing machine is: utilize the rubbing action of the soft effect of washing agent and the current that washing fin rotation produces and remove product attached to the polluter on clothes, the bed clothes by agitator to the percussion that washings appends.Above-mentioned washing machine washs by the amount and the kind automatic setting washing methods of sensor senses washings, or washs by the control of computer after according to the amount of washings and kind washings being fed to suitable water level.
Fig. 1 demonstrates the outward appearance oblique view of general washing machine.
As shown in Figure 1, the body B inboard of above-mentioned washing machine is provided with aqua storage tank (not showing in the accompanying drawing), the inboard of above-mentioned aqua storage tank is provided with the rotatable drench pit that is also used as washing, and the power that above-mentioned drench pit obtains drive motors (not having in the accompanying drawing to show) is rotated.
In addition, lid L is arranged on the above-mentioned washing machine, can drop into and take out washings from the top of above-mentioned body B by above-mentioned lid L.
In addition, the security when being rotated in order to ensure the drench pit of dual-purpose washing, above-mentioned lid L is provided with lid open-close sense switch (not showing in the accompanying drawing), and above-mentioned lid open-close sense switch is used for that the drench pit rotation drives under the pent state of lid; In addition, above-mentioned lid L is provided with blocking device, and above-mentioned blocking device is used for being rotated at the drench pit that is also used as washing can not be opened above-mentioned lid L.
But, for the lid blocking device of prior art, have following problem or shortcoming aspect configuration aspects and the driving:
The first, because the lid blocking device of prior art is the structure that forms locking along with close cap, so under the situation of being closed because of child's reason such as careless in sink, can produce security incident.
That is to say, in prior art, when child falls into that lid is closed under the state of sink inside, because internally can not uncap, so can't in sink, come out.
The second, because the lid blocking device of prior art is under the state of energising, make solenoid coil carry out work, remove the structure of lid blocking, can't remove the blocked problem of lid so when powered-down, exist by pressing unlock button.
That is to say, under the pent states of reason power supply such as power failure, can not uncap.
Three, in prior art, when the locking of execution lid and the work of unlocking, there is the problem that postpones the too much time.
Four, because the structure of prior art lid blocking device is very complicated, so can cause the making of parts and the problem that assembleability reduces.
Summary of the invention
In order to solve the problem that exists in the prior art; the purpose of this invention is to provide a kind of lid blocking device that can bring the washing machine of following effect: even when powered-down; also can open and close lid; so falling into the sink internal cause child can not uncap and during the security incident that produces; child can be protected, and the work reliability of washing machine can be improved.
In order to realize purpose of the present invention, the invention provides a kind of lid blocking device of washing machine, comprising: solenoid coil, plunger, first elastomeric element, connecting rod, tension spring, lid lock slide, suspension hook fixator, second elastomeric element, slider arm, back-moving spring, the lid locking/sense switch of unblanking, lid open-close sense switch are by sheet, by sheet guide bracket and lid open-close sense switch and suspension hook; Above-mentioned plunger is arranged in the above-mentioned solenoid coil, retreats along with opening or closing of solenoid coil or advances; Above-mentioned first elastomeric element is arranged on the outer peripheral face of above-mentioned plunger, is used for providing restoring force along the direction that above-mentioned plunger is forwards advanced; One end hinge of above-mentioned connecting rod is combined on the front end of above-mentioned plunger; One end of above-mentioned tension spring is attached on the other end of above-mentioned connecting rod, is used for providing expansion force to above-mentioned connecting rod when above-mentioned plunger retreats; Above-mentioned lid lock slide is arranged on the zone between above-mentioned plunger and the tension spring, when above-mentioned plunger being advanced along with above-mentioned solenoid coil work, above-mentioned lid lock slide is descended be maintained the blocking of suspension hook, above-mentioned lid lock slide has the heart-shaped cam that forms as one, above-mentioned heart-shaped cam when above-mentioned connecting rod advances or retreats together interlock move up and down; With left and right sides state vis-a-vis above-mentioned suspension hook fixator is set along the direction of advancing, retreating of above-mentioned plunger at the downside of above-mentioned lid lock slide, during along with the entering of suspension hook head along mutually away from direction be pushed, neck part when entering of above-mentioned suspension hook head finishes below the close mutually suspension hook head of can tying tight, along with after the work of above-mentioned solenoid coil finishes the decline of lid lock slide, the bolt effect by above-mentioned lid lock slide can prevent retreating of above-mentioned suspension hook fixator; Above-mentioned second elastomeric element is separately positioned on the outside of above-mentioned suspension hook fixator, is used for along making the mutual close direction of above-mentioned both sides suspension hook fixator that elastic force is provided; Above-mentioned slider arm is arranged on a side of above-mentioned lid lock slide; Above-mentioned back-moving spring is used for providing restoring force along the direction that above-mentioned lid lock slide is risen; The pressure of the slider arm that brings by the decline along with above-mentioned lid lock slide makes the above-mentioned lid locking/sense switch conducting of unblanking, and detects the state of lid lock; Above-mentioned lid open-close sense switch moves along the identical direction of the direction that enters with suspension hook at above-mentioned suspension hook fixator downside by sheet; Be used to guide of the lifting of above-mentioned lid open-close sense switch by the sheet guide bracket by sheet; Whether above-mentioned lid open-close sense switch detects lid open-close along with above-mentioned lid open-close sense switch opens or cuts out by the lifting contact of sheet; Above-mentioned suspension hook includes suspension hook bar, push rod and frame bars; The leading section of above-mentioned suspension hook bar is provided with the suspension hook head, and above-mentioned suspension hook head is along with closing of lid enters between the suspension hook fixator of above-mentioned both sides; Above-mentioned push rod and above-mentioned suspension hook bar form side by side, are used to promote above-mentioned lid open-close sense switch by sheet; The said frame bar crosses above-mentioned suspension hook bar and push rod.
The lid blocking device of washing machine provided by the invention is compared with the lid blocking device of prior art has following advantage:
At first,, could remove the structure of the blocking of lid, when powered-down, can't remove the blocking of lid because the lid blocking device of prior art is only to press unlock button under the state of energising (ON) to make solenoid coil carry out work; But in the present invention, even under the state of powered-down, also can remove the blocking of lid, can uncap, so can solve along with the closing of the power supply under the blocking of lid the inconvenience that brings to the user.
In addition, in lid blocking device of the present invention, hardly can time delay when the work of the locking of carrying out lid and unlocking, can make simple in structure.So, can improve the making and the assembleability of parts and can easily guarantee the work reliability.
Particularly, lid blocking device of the present invention is along with pressing the structure that unlock button makes the solenoid coil energising carry out locking work after the close cap.So, even under the reason such as careless because of child falls into situation in the sink, can in sink, come out by uncap, so when security incident takes place, have protection child's function.
Description of drawings
Fig. 1 demonstrates the outward appearance oblique view of general washing machine;
Fig. 2 demonstrates the plane of lid blocking device structure of the present invention;
Fig. 3 is the oblique view of the suspension hook of Fig. 2;
Fig. 4 demonstrates the plane of the lid lock slide of Fig. 2;
The I-I line profilograph of Fig. 2 during Fig. 5;
The oblique view of the connecting rod of Fig. 2 during Fig. 6;
Fig. 7 demonstrates the oblique view of the lid open-close sense switch of Fig. 2 by sheet;
Fig. 8 demonstrates the oblique view of the suspension hook fixator of Fig. 2;
Fig. 9 demonstrates the oblique view of the plunger assembly of Fig. 2;
Figure 10 a is so that Figure 10 d is the process chart of lid blocking device of the present invention;
Plane when Figure 10 a demonstrates the lid open state;
Though Figure 10 b demonstrates and has closed lid but also do not form by the plane of blocking;
Figure 10 c is the figure that carries out the locking interstage of lid, and the track that demonstrates the connecting rod on the heart-shaped cam inner side slot is through the plane after the raised floor;
Figure 10 d demonstrates the plane of state after the lid locking;
Figure 11 a to Figure 11 c demonstrates the track by the connecting rod on the heart-shaped cam inner side slot, is used for illustrating the course of work connecting rod of lid blocking device of the present invention and the major part plane of the dependency relation between the lid lock slide;
Figure 11 a demonstrates the plane of the connecting rod actuation arm position on the heart-shaped cam inner side slot under the lid unlocking condition shown in Figure 10 a or Figure 10 b;
Figure 11 b demonstrates the connecting rod track on the heart-shaped cam inner side slot shown in Figure 10 c through the plane of the connecting rod actuation arm position after the raised floor;
Figure 11 c demonstrates the plane of the connecting rod actuation arm position on the heart-shaped cam inner side slot under the lid blocking shown in Figure 10 d.
The critical piece description of reference numerals
1: switch casing (SWITCH CASING) 2: solenoid coil (SOLENOID)
3: plunger (PLUNGER) 4: the compression spring
5: connecting rod (CONECTION BAR) 500: actuation arm (ARM) parts
6: tension spring 7: lid lock slide (SLIDE)
70: heart-shaped cam (HEART CAM) 700: cam path
701: outer rail 702: internal guide rail (GUIDE)
702a:V groove 703: brake (STOPPER)
740: raised floor 71: latch (LATCH) parts
8: suspension hook fixator 801: stop projection
9: compression spring 10: slider arm
11: back-moving spring 12: the lid locking/sense switch of unblanking
13: the lid open-close sense switch is pressed sheet
130: inclined plane 131: guide rod (ROD) parts
132: guide plate 14: press sheet guide bracket (BRACKET)
15: lid sense switch 16: suspension hook
160: suspension hook bar 161: push away (PUSHING) bar
162: framework (FRAME) bar 17: the compression spring
18: lock is manually removed band (STRAP) L: lid
B: body
The specific embodiment
With reference to the accompanying drawings, the embodiment to the lid blocking device of washing machine of the present invention is elaborated.
Fig. 2 demonstrates the plane of lid blocking device structure of the present invention.Fig. 3 is the oblique view of the suspension hook of Fig. 2.Fig. 4 demonstrates the plane of the lid lock slide of Fig. 2.The I-I line profilograph of Fig. 2 during Fig. 5.
In addition, Fig. 6 shows the oblique view of the connecting rod of Fig. 2.Fig. 7 demonstrates the oblique view of the lid open-close sense switch of Fig. 2 by sheet.Fig. 8 demonstrates the oblique view of the suspension hook fixator of Fig. 2.Fig. 9 demonstrates the oblique view of the plunger assembly of Fig. 2.
The lid blocking device of washing machine of the present invention is made of lid latch switch assembly and suspension hook 16; Above-mentioned lid latch switch assembly is arranged on the washing machine body B; Above-mentioned suspension hook 16 is arranged on the lid L.
Above-mentioned lid latch switch assembly includes following structure: solenoid coil 2, plunger 3, compression spring 4, connecting rod 5, tension spring 6, lid lock slide 7, suspension hook fixator (HOOK HOLDER) 8, compression spring 9, slider arm 10, back-moving spring 11, the lid locking/sense switch 12 of unblanking, lid open-close sense switch are by sheet 13, by sheet guide bracket 14 and lid open-close sense switch 15.
Above-mentioned solenoid coil 2 is arranged on a side of switch casing 1; Above-mentioned plunger 3 is arranged in the above-mentioned solenoid coil 2, along with the opening/close of solenoid coil (ON/OFF) retreats or advance; Above-mentioned compression spring 4 is arranged on the outer peripheral face of above-mentioned plunger 3, is used for as the above-mentioned compression spring 4 of elastomeric element: provide restoring force along the direction that above-mentioned plunger 3 is forwards advanced; One end hinge of above-mentioned connecting rod 5 is combined on the front end of above-mentioned plunger 3; One end of above-mentioned tension spring 6 is attached on the other end of above-mentioned connecting rod 5, and its other end is fixed on the switch casing 1 opposite with above-mentioned solenoid coil 2, provides expansion force as the above-mentioned tension spring 6 of elastomeric element when above-mentioned plunger 3 retreats; Above-mentioned lid lock slide 7 is arranged on the zone between above-mentioned plunger 3 and the tension spring 6, when above-mentioned plunger 3 being advanced along with above-mentioned solenoid coil 2 work, above-mentioned lid lock slide 7 is descended and then keep the blocking of suspension hook, above-mentioned lid lock slide 7 has the heart-shaped cam 70 that forms as one, above-mentioned heart-shaped cam 70 above-mentioned connecting rod 5 advance by above-mentioned solenoid coil 2 and spring or during the work that retreats together interlock move up and down; Vis-a-vis be provided with above-mentioned suspension hook fixator 8 along the direction of advancing, retreating of above-mentioned plunger 3 with the left and right sides at the downside of above-mentioned lid lock slide 7, during along with the entering of suspension hook head 160a along mutually away from direction be pushed, when above-mentioned suspension hook head 160a enters when finishing mutually near the neck part below the suspension hook head 160a that can tie tight, along with after the work of above-mentioned solenoid coil 2 finishes the decline of lid lock slide 7, the bolt effect by above-mentioned lid lock slide 7 can prevent that above-mentioned suspension hook fixator 8 from retreating; Above-mentioned compression spring 9 is separately positioned on the outside of above-mentioned suspension hook fixator 8, as above-mentioned compression spring 9 effect of elastomeric element is: along making above-mentioned both sides suspension hook fixator 8 mutual close directions that elastic force is provided; Above-mentioned slider arm 10 is arranged on a side of above-mentioned lid lock slide 7; Above-mentioned back-moving spring 11 is used for: provide restoring force along the direction that above-mentioned lid lock slide 7 is risen; The pressure of the slider arm 10 that brings by the decline along with above-mentioned lid lock slide 7 makes above-mentioned lid locking/sense switch 12 conductings (ON) of unblanking, and detects the state of lid lock; Above-mentioned lid open-close sense switch is arranged on the above-mentioned switch casing 1 by sheet 13, and above-mentioned lid open-close sense switch moves along the identical direction of the direction that enters with suspension hook at above-mentioned suspension hook fixator 8 downsides by sheet 13; Be arranged on the above-mentioned switch casing 1 by sheet guide bracket 14, be used to guide of the lifting of above-mentioned lid open-close sense switch by sheet 13; Above-mentioned lid open-close sense switch 15 is arranged on the above-mentioned switch casing 1, along with above-mentioned lid open-close sense switch opens or cuts out by the lifting contact of sheet 13, whether detects lid open-close.
In addition, above-mentioned suspension hook 16 includes following structure: suspension hook bar 160, push rod 161 and frame bars 162.The leading section of above-mentioned suspension hook bar 160 is provided with suspension hook head 160a, and above-mentioned suspension hook head 160a is along with closing of lid L enters between the above-mentioned both sides suspension hook fixator 8; Above-mentioned push rod 161 forms side by side with above-mentioned suspension hook bar 160, is used to promote above-mentioned lid open-close sense switch by sheet 13; Said frame bar 162 crosses above-mentioned suspension hook bar 160 and push rod 161.
At this moment, be formed with along the both sides of above-mentioned suspension hook bar 160 and strengthen timber 160b, the intensity that above-mentioned reinforcement timber 160b can the above-mentioned suspension hook bar 160 of reinforcement.
On the one hand, the heart-shaped cam 70 of above-mentioned lid lock slide 7 is formed by the movement locus of connecting rod 5 by cam path 700 operation and heart (HEART) similar shapes is gained the name.Above-mentioned heart-shaped cam 70 includes outer rail 701, internal guide rail 702 and brake 703.Said external guide rail 701 is hexgonal structures; Above-mentioned internal guide rail 702 forms with V-shape; Above-mentioned brake 703 forms along the V groove 702a direction of above-mentioned internal guide rail 702 is outstanding in said external guide rail 701 inboards.So above-mentioned heart-shaped cam 70 will convert the vertical motion of above-mentioned lid lock slide 7 along with the horizontal movement of advancing, retreat the connecting rod 5 that brings of above-mentioned plunger 3 to.As shown in Figure 5, be formed with raised floor 704 in the cam path 700 of above-mentioned heart-shaped cam 70, above-mentioned raised floor 704 uprises highly gradually from the lockset position of coupler of above-mentioned connecting rod 5 tracks to locking with on cam path 700 zones till the centre position of unblanking.
In addition, the both sides, bottom of above-mentioned lid lock slide 7 are provided with latch 71, when the decline of the lid lock slide 7 that brings along with the work of above-mentioned solenoid coil 2 finished, in order to prevent retreating of above-mentioned suspension hook fixator 8,71 pairs of above-mentioned suspension hook fixators 8 of above-mentioned latch played the bolt effect.
In addition, above-mentioned suspension hook fixator 8 leading section vis-a-vis is the streamlined structure that above-mentioned suspension hook head 160a is entered easily.
In addition, minimize, the part beyond the both sides of the edge of above-mentioned lid lock slide 7 bottom surfaces is recessed to form in order to make the above-mentioned lid lock slide 7 and the contact area of above-mentioned switch casing 1.That is to say that the both sides of the edge of above-mentioned lid lock slide 7 bottom surfaces are cutting edge shapes.
On the one hand, above-mentioned lid open-close sense switch is by the guide rod 131 that is formed for guiding compression spring 17 above the sheet 13, above-mentioned compression spring 17 joins and is engaged on switch cover on the above-mentioned switch casing 1 (not showing of the accompanying drawing) inner face, is used for as the above-mentioned compression spring 17 of elastomeric element: provide restoring force along the opposite direction with above-mentioned suspension hook 16 approach axis to above-mentioned switch press sheet; Above-mentioned lid open-close sense switch is formed with the inclined plane 130 that is used to pin make and break contact by the leading section of sheet 13.
In addition, above-mentioned lid open-close sense switch is formed with guide plate 132 on the two sides by sheet 13, and above-mentioned guide plate 132 is made above-mentioned elevating movement by sheet carry out correct rectilinear motion by above-mentioned inner side slot guiding of pressing sheet guide bracket 14.
In addition, the rear of above-mentioned plunger 3 is provided with manual releasing of the lock that can manually remove lid L blocking and is with 18, manually removes by above-mentioned lock and is with 18 pulling plungers 3 that above-mentioned plunger 3 is retreated, the blocking of releasing lid L.
Below, the effect of the lid blocking device of washing machine of the present invention with said structure is elaborated.
At first, testing process and the locking of lid subsequently (LOCKING) process of closing in open state ShiShimonoseki of lid L when stating lid described.
Plane when Figure 10 a demonstrates the lid open state.Shown in Figure 10 a, under the open state of lid L, during close cap, the suspension hook head 160a of the suspension hook 16 that is installed on the above-mentioned lid L is entered between two suspension hook fixators 8; At this moment,, just can make between the above-mentioned suspension hook fixator 8 separately, above-mentioned suspension hook head 160a is entered so need apply certain power because above-mentioned suspension hook fixator 8 obtains the resilient support of the compression spring 9 at rear.
As mentioned above, when the above-mentioned suspension hook head 160a of formation enters, can make push rod 161 compressions be used for the lid open-close sense switch, promote above-mentioned lid open-close sense switch by sheet 13 by the compression spring 17 that sheet resets.
At this moment, above-mentioned lid open-close sense switch is pressed sheet 13, is guided by above-mentioned inner side slot by sheet guide bracket 14 by the above-mentioned guide plate 132 on the two sides of sheet 13 along with being formed on the lid open-close sense switch, can correctly carry out rectilinear motion.
On the one hand, shown in Figure 10 b, along with entering of above-mentioned suspension hook head 160a, can make above-mentioned lid open-close sense switch pin the contact of above-mentioned lid open-close sense switch 15 by the inclined plane 130 of sheet 13, when entering of above-mentioned suspension hook head 160a finishes, make the contact of above-mentioned lid open-close sense switch 15 by opening, can detect above-mentioned lid L is closed condition.
At this moment, along with entering of above-mentioned suspension hook head 160a, above-mentioned suspension hook fixator 8 along mutually away from direction separately, when entering of above-mentioned suspension hook head 160a finishes, above-mentioned suspension hook fixator 8 is close mutually by the restoring force of above-mentioned compression spring 9, is positioned on the position of the narrow neck part of width below the above-mentioned suspension hook head 160a.
In addition,, also do not form, under above-mentioned state, can open above-mentioned lid L by the state of locking though the state shown in Figure 10 b is to have closed lid L.
So if child falls in the sink under above-mentioned state, even lid is closed, but the child who falls in the above-mentioned sink promotes above-mentioned lid L, can open above-mentioned lid L, can come out in sink.
On the one hand, just merely closed lid L as mentioned above but do not formed the state of locking, when under above-mentioned state, carrying out the locking of above-mentioned lid L, pressed unlock button (not showing in the accompanying drawing) and apply power supply to above-mentioned solenoid coil 2.
That is to say, after solenoid coil 2 applies power supply, can make above-mentioned solenoid coil 2 attract plunger 3; So, the connecting rod 5 that is attached on the above-mentioned plunger 3 is pulled along left direction on accompanying drawing, move along the cam path 700 of heart-shaped cam 70.
At this moment, above-mentioned lid lock slide 7 moves towards downside by the effect of connecting rod 5 and heart-shaped cam 70, and meanwhile, the slider arm 10 that is arranged on above-mentioned lid lock slide 7 one sides also moves towards downside.
Figure 10 d demonstrates the plane of state after the lid locking.Shown in Figure 10 d, along with above-mentioned lid lock slide 7 during towards mobile the finishing of downside, the latch 71 that is formed on both sides, above-mentioned lid lock slide 7 bottom is positioned on the rear position that stops hook 801 of above-mentioned suspension hook fixator 8, can prevent retreating of each suspension hook fixator 8, make above-mentioned suspension hook 16 can not break away from above-mentioned suspension hook fixator 8.And, can make the slider arm 10 open lid locking/sense switches 12 of unblanking that are formed on above-mentioned lid lock slide 7 one sides, can detect above-mentioned lid L is blocking.
On the one hand, the voltage that applies to above-mentioned solenoid coil 2, only be fed to the actuation arm 500 that makes above-mentioned connecting rod 5 from the lid L lockset position of coupler (" first " position of Figure 11) on the cam path 700 of above-mentioned heart-shaped cam 70 move to go up through the position (" second " position of Figure 11) of raised floor 704 till, powered-down afterwards; But above-mentioned lid lock slide 7 is dropped on the locked position of coupler.
That is to say, when if go up the position (" second " position of Figure 11) that makes above-mentioned connecting rod 5 arrive process raised floor 704 on the cam path 700 of heart-shaped cam 70, even close the power supply that imposes on the above-mentioned solenoid coil 2, but by the compression spring on above-mentioned plunger 3 outer peripheral faces 4 be attached at the restoring force of the tension spring 6 on the above-mentioned connecting rod 5 and the above-mentioned connecting rod 5 that brings along with above-mentioned restoring force promotes the effect of the internal guide rail 702 of heart-shaped cams 70, can make above-mentioned lid lock slide 7 continue to descend.So, as shown in figure 11, after the lid locking, the actuation arm 500 of above-mentioned connecting rod 5 is positioned on (" third " position of Figure 11) position on the cam path 700 of heart-shaped cam 70.
On the one hand, as shown in Figure 5, in the cam path 700 of above-mentioned heart-shaped cam 70, has raised floor 704 to the path of moving through the position (" second " position of Figure 11) of raised floor 704 from above-mentioned lid L lockset position of coupler (" first " position of Figure 11).So,, can prevent driving in the wrong direction of above-mentioned connecting rod 5 if the actuation arm of above-mentioned connecting rod 5 500 in case when all passing through above-mentioned raised floor 704, makes the actuation arm 500 of above-mentioned connecting rod 5 be positioned on " second " position than Figure 11 of above-mentioned raised floor 704 lower positions.
As a reference, Figure 10 c shows the plane of the lid blocking device the when actuation arm 500 of the connecting rod 5 of sening as an envoy to arrives on " second " state of Figure 11.Above-mentioned state is during the locking of lid L is carried out, and the latch part of above-mentioned lid lock slide 7 is positioned on the rear position that stops hook 801 of above-mentioned suspension hook fixator 8.
Below, under the blocking of lid L, the process of the work release lid L blocking by solenoid coil 2 is elaborated.
Shown in Figure 10 d, when under the blocking of above-mentioned lid L, removing the locking of lid, at first apply voltage to above-mentioned solenoid coil 2, make above-mentioned solenoid coil 2 attract plunger 3.So, the connecting rod 5 that is attached on the above-mentioned plunger 3 is pulled, on accompanying drawing along with the cam path 700 of heart-shaped cam 70 moves along the left side.
Above-mentioned situation is, the actuation arm 500 of above-mentioned connecting rod 5 temporarily is arranged on " third " position of cam path 700 brakes 703 upper side of above-mentioned heart-shaped cam 70, moves to " first " position of lockset position of coupler subsequently.So, the path of the mobile route of the actuation arm 500 of above-mentioned connecting rod 5 shown in the arrow " B " of Figure 11.
At this moment, above-mentioned lid lock slide 7 moves towards upside on accompanying drawing by the effect of the back-moving spring 11 of restoring force is provided to lid lock slide 7, and meanwhile, the slider arm 10 that is formed on above-mentioned lid lock slide 7 one sides also moves towards upside.
On the one hand, along with making above-mentioned lid lock slide 7 get back to unlocking condition (making the actuation arm 500 of connecting rod 5 be positioned at " first " locational state of Figure 11), can remove the restrained situation of 71 pairs of suspension hook fixators 8 of latch fully.So the suspension hook 16 that the neck part is fasten breaks away from above-mentioned suspension hook fixator 8, forms the opening of lid L.
So, under above-mentioned state, during user's uncap L, above-mentioned suspension hook 16 is broken away from both sides suspension hook fixator 8, above-mentioned push rod 161 is left by sheet 13 from the lid open-close sense switch.
In addition, the above-mentioned lid open-close sense switch that is pushed along with the restoring force by the compression spring 17 that resets moves along the paper posterior direction on accompanying drawing by sheet 13, can leave from the contact of lid open-close sense switch 15.
Generally speaking, along with the work of above-mentioned solenoid coil 2 brings advancing, retreating of plunger 3 and along with the position of actuation arm 500 in the cam path 700 of heart-shaped cam 70 of at this moment above-mentioned connecting rod 5, make above-mentioned lid lock slide 7 rise or descend, form the blocking of lid L, perhaps remove the blocking of above-mentioned lid L.
Below, the process by manual releasing lid L blocking is elaborated.
Under the blocking of lid L, when causing being applied to power supply on the washing machine and be closed because of the reason that has a power failure or break down etc., after opening the approaching lid (not showing in the accompanying drawing) that is formed on one side of washing machine body B front, pulling is arranged on above-mentioned manually the releasing near the inboard lock of lid and is with 18, by manually making the lid blocking device carry out work, remove the blocking of above-mentioned lid L.
That is to say, shown in Figure 10 d, under the blocking of above-mentioned lid L, be with 18, motive force is acted directly on the above-mentioned plunger 3 along with the user spurs manual releasing of above-mentioned lock; So the back-moving spring 17 by being positioned at above-mentioned lid lock slide 7 downsides and the effect of heart-shaped cam 70 can make above-mentioned lid lock slide 7 straight lines rise.
In addition,, can remove the restraining of 71 pairs of suspension hook fixators 8 of latch of above-mentioned lid lock slide 7 along with the rising of above-mentioned lid lock slide 7, can make both sides suspension hook fixator 8 along mutually away from direction move, form the open state of above-mentioned lid L.
Up to the present, though be that the center has been described in detail with embodiments of the invention, the personnel that have general knowledge under the present invention in the technical area can propose a lot of distortion in basic fundamental thought range of the present invention.Basic fundamental thought of the present invention is embodied in the patent request scope, and all differences point in the equal with it scope all should be interpreted as belonging to scope of the present invention.
Claims (19)
1, a kind of lid blocking device of washing machine comprises:
Solenoid coil, plunger, first elastomeric element, connecting rod, tension spring, lid lock slide, suspension hook fixator, second elastomeric element, slider arm, back-moving spring, the lid locking/sense switch of unblanking, lid open-close sense switch are by sheet, by sheet guide bracket and lid open-close sense switch and suspension hook;
Above-mentioned plunger is arranged in the above-mentioned solenoid coil, retreats along with opening or closing of solenoid coil or advances;
Above-mentioned first elastomeric element is arranged on the outer peripheral face of above-mentioned plunger, is used for providing restoring force along the direction that above-mentioned plunger is forwards advanced;
One end hinge of above-mentioned connecting rod is combined on the front end of above-mentioned plunger;
One end of above-mentioned tension spring is attached on the other end of above-mentioned connecting rod, is used for providing expansion force to above-mentioned connecting rod when above-mentioned plunger retreats;
Above-mentioned lid lock slide is arranged on the zone between above-mentioned plunger and the tension spring, when above-mentioned plunger being advanced along with above-mentioned solenoid coil work, above-mentioned lid lock slide is descended be maintained the blocking of suspension hook, above-mentioned lid lock slide has the heart-shaped cam that forms as one, above-mentioned heart-shaped cam when above-mentioned connecting rod advances or retreats together interlock move up and down;
With left and right sides state vis-a-vis above-mentioned suspension hook fixator is set along the direction of advancing, retreating of above-mentioned plunger at the downside of above-mentioned lid lock slide, during along with the entering of suspension hook head along mutually away from direction be pushed, neck part when entering of above-mentioned suspension hook head finishes below the close mutually suspension hook head of can tying tight, along with after the work of above-mentioned solenoid coil finishes the decline of lid lock slide, the bolt effect by above-mentioned lid lock slide can prevent retreating of above-mentioned suspension hook fixator;
Above-mentioned second elastomeric element is separately positioned on the outside of above-mentioned suspension hook fixator, is used for along making the mutual close direction of above-mentioned both sides suspension hook fixator that elastic force is provided;
Above-mentioned slider arm is arranged on a side of above-mentioned lid lock slide;
Above-mentioned back-moving spring is used for providing restoring force along the direction that above-mentioned lid lock slide is risen;
The pressure of the slider arm that brings by the decline along with above-mentioned lid lock slide makes the above-mentioned lid locking/sense switch conducting of unblanking, and detects the state of lid lock;
Above-mentioned lid open-close sense switch moves along the identical direction of the direction that enters with suspension hook at above-mentioned suspension hook fixator downside by sheet;
Be used to guide of the lifting of above-mentioned lid open-close sense switch by the sheet guide bracket by sheet;
Whether above-mentioned lid open-close sense switch detects lid open-close along with above-mentioned lid open-close sense switch opens or cuts out by the lifting contact of sheet;
Above-mentioned suspension hook includes suspension hook bar, push rod and frame bars; The leading section of above-mentioned suspension hook bar is provided with the suspension hook head, and above-mentioned suspension hook head is along with closing of lid enters between the suspension hook fixator of above-mentioned both sides; Above-mentioned push rod and above-mentioned suspension hook bar form side by side, are used to promote above-mentioned lid open-close sense switch by sheet; The said frame bar crosses above-mentioned suspension hook bar and push rod.
2, the lid blocking device of washing machine according to claim 1 is characterized in that:
The heart-shaped cam of above-mentioned lid lock slide includes outer rail, internal guide rail and brake;
The said external guide rail is a hexgonal structure; Above-mentioned internal guide rail forms with V-shape; Above-mentioned brake forms along the V groove direction of above-mentioned internal guide rail is outstanding in said external guide rail inboard; So above-mentioned heart-shaped cam will convert the vertical motion of above-mentioned lid lock slide along with the horizontal movement of advancing, retreat the connecting rod that brings of above-mentioned plunger to;
Be formed with raised floor in the cam path of above-mentioned heart-shaped cam, above-mentioned raised floor uprises highly gradually from the lockset position of coupler of above-mentioned connecting rod track to locking with on the cam path zone till the centre position of unblanking.
3, the lid blocking device of washing machine according to claim 1 is characterized in that:
Both sides along above-mentioned suspension hook bar are formed with the reinforcement timber, and above-mentioned reinforcement timber is used for the intensity of the above-mentioned suspension hook bar of reinforcement.
4, the lid blocking device of washing machine according to claim 1 and 2 is characterized in that:
The both sides, bottom of above-mentioned lid lock slide are provided with latch, and when along with the work of above-mentioned solenoid coil the decline of lid lock slide being finished, in order to prevent retreating of above-mentioned suspension hook fixator, above-mentioned latch plays the bolt effect to above-mentioned suspension hook fixator.
5, the lid blocking device of washing machine according to claim 4 is characterized in that:
Above-mentioned suspension hook fixator leading section vis-a-vis is the streamlined structure that above-mentioned suspension hook head is entered easily.
6, the lid blocking device of washing machine according to claim 4 is characterized in that:
For the contact area that makes above-mentioned lid lock slide and above-mentioned switch casing minimizes, the part beyond the both sides of the edge of above-mentioned lid lock slide bottom surface is recessed to form; The both sides of the edge of above-mentioned lid lock slide bottom surface are cutting edge shapes.
7, the lid blocking device of washing machine according to claim 1 is characterized in that:
Above-mentioned lid open-close sense switch is formed for guiding the guide rod of the 3rd elastomeric element by a side of sheet, and above-mentioned the 3rd elastomeric element is used for providing restoring force along the opposite direction with above-mentioned suspension hook approach axis to above-mentioned switch press sheet; Above-mentioned lid open-close sense switch is formed with the inclined plane that is used to pin make and break contact when rising by the leading section of sheet.
8, according to the lid blocking device of claim 1 or 7 described washing machines, it is characterized in that:
Above-mentioned lid open-close sense switch is formed with guide plate on the two sides by sheet, and above-mentioned guide plate is made above-mentioned elevating movement by sheet carry out correct rectilinear motion by above-mentioned inner side slot guiding of pressing the sheet guide bracket.
9, the lid blocking device of washing machine according to claim 1 is characterized in that:
The rear of above-mentioned plunger is provided with the lock that can manually remove the lid blocking and manually removes band, manually removes band pulling plunger by above-mentioned lock above-mentioned plunger is retreated, and removes the blocking of lid.
10, a kind of lid blocking device of washing machine is characterized in that, comprising:
Switch casing, solenoid coil, plunger, first elastomeric element, connecting rod, tension spring, lid lock slide, suspension hook fixator, second elastomeric element, slider arm, back-moving spring, the lid locking/sense switch of unblanking, lid open-close sense switch are by sheet, by sheet guide bracket and lid open-close sense switch and suspension hook;
Above-mentioned solenoid coil is arranged on a side of above-mentioned switch casing;
Above-mentioned plunger is arranged in the above-mentioned solenoid coil, opening or whether closing and retreat or advance along with solenoid coil;
Above-mentioned first elastomeric element is arranged on the outer peripheral face of above-mentioned plunger, is used for providing restoring force along the direction that above-mentioned plunger is forwards advanced;
One end hinge of above-mentioned connecting rod is combined on the front end of above-mentioned plunger;
One end of above-mentioned tension spring is attached on the other end of above-mentioned connecting rod, and its other end is fixed on the switch casing opposite with above-mentioned solenoid coil, is used for providing when above-mentioned plunger retreats expansion force;
Above-mentioned lid lock slide is arranged on the zone between above-mentioned plunger and the tension spring, when making advancing of above-mentioned plunger along with above-mentioned solenoid coil work, above-mentioned lid lock slide is descended be maintained the blocking of suspension hook, above-mentioned lid lock slide has the heart-shaped cam that forms as one, above-mentioned heart-shaped cam above-mentioned connecting rod advance or during the work that retreats together interlock move up and down;
With left and right sides state vis-a-vis above-mentioned suspension hook fixator is set along the direction of advancing, retreating of above-mentioned plunger at the downside of above-mentioned lid lock slide, along with the suspension hook head enter along mutually away from direction be pushed, neck part when entering of above-mentioned suspension hook head finishes below the close mutually suspension hook head of can tying tight, along with after the work of above-mentioned solenoid coil finishes the decline of lid lock slide, the bolt effect by above-mentioned lid lock slide can prevent that above-mentioned suspension hook fixator from retreating;
Above-mentioned second elastomeric element is separately positioned on the outside of above-mentioned suspension hook fixator, is used for along making the mutual close direction of above-mentioned both sides suspension hook fixator that elastic force is provided;
Above-mentioned slider arm is arranged on a side of above-mentioned lid lock slide;
Above-mentioned back-moving spring is used for providing restoring force along the direction that above-mentioned lid lock slide is risen;
The pressure of the slider arm that brings by the decline along with above-mentioned lid lock slide makes the above-mentioned lid locking/sense switch conducting of unblanking, and detects the state of lid lock;
Above-mentioned lid open-close sense switch is arranged on the above-mentioned switch casing by sheet, and above-mentioned lid open-close sense switch moves along the identical direction of the direction that enters with suspension hook at above-mentioned suspension hook fixator downside by sheet;
Be arranged on the above-mentioned switch casing by the sheet guide bracket, be used to guide of the lifting of above-mentioned lid open-close sense switch by sheet;
Above-mentioned lid open-close sense switch is arranged on the above-mentioned switch casing, along with above-mentioned lid open-close sense switch opens or cuts out by the lifting contact of sheet, whether detects lid open-close;
Above-mentioned suspension hook comprises suspension hook bar, push rod and frame bars; The leading section of above-mentioned suspension hook bar is provided with the suspension hook head, and above-mentioned suspension hook head is along with closing of lid enters between the suspension hook fixator of above-mentioned both sides; Above-mentioned push rod and above-mentioned suspension hook bar form side by side, are used to promote above-mentioned lid open-close sense switch by sheet; The said frame bar crosses above-mentioned suspension hook bar and push rod.
11, the lid blocking device of washing machine according to claim 10 is characterized in that:
The heart-shaped cam of above-mentioned lid lock slide includes outer rail, internal guide rail and brake;
The said external guide rail is a hexgonal structure; Above-mentioned internal guide rail forms with V-shape; Above-mentioned brake forms along the V groove direction of above-mentioned internal guide rail is outstanding in said external guide rail inboard; So above-mentioned heart-shaped cam will convert the vertical motion of above-mentioned lid lock slide along with the horizontal movement of advancing, retreat the connecting rod that brings of above-mentioned plunger to;
Be formed with raised floor in the cam path of above-mentioned heart-shaped cam, above-mentioned raised floor uprises highly gradually from the lockset position of coupler of above-mentioned connecting rod track to locking with on the cam path zone till the centre position of unblanking.
12, the lid blocking device of washing machine according to claim 10 is characterized in that:
Both sides along above-mentioned suspension hook bar are formed with the reinforcement timber, and above-mentioned reinforcement timber is used for the intensity of the above-mentioned suspension hook bar of reinforcement.
13, according to the lid blocking device of claim 10 or 11 described washing machines, it is characterized in that:
The both sides, bottom of above-mentioned lid lock slide are provided with latch, when the decline of the lid lock slide that brings along with the work of above-mentioned solenoid coil finishes, retreat in order to prevent above-mentioned suspension hook fixator, and above-mentioned latch plays the bolt effect to above-mentioned suspension hook fixator.
14, the lid blocking device of washing machine according to claim 13 is characterized in that:
Above-mentioned suspension hook fixator leading section vis-a-vis is the streamlined structure that above-mentioned suspension hook head is entered easily.
15, the lid blocking device of washing machine according to claim 13 is characterized in that:
For the contact area that makes above-mentioned lid lock slide and above-mentioned switch casing minimizes, the part beyond the both sides of the edge of above-mentioned lid lock slide bottom surface is recessed to form; The both sides of the edge of above-mentioned lid lock slide bottom surface are cutting edge shapes.
16, the lid blocking device of washing machine according to claim 10 is characterized in that:
Above-mentioned lid open-close sense switch is formed for guiding the guide rod of the 3rd elastomeric element by a side of sheet, above-mentioned the 3rd elastomeric element is connected on the switch cover inner face that is engaged on the above-mentioned switch casing mutually, and being used for provides restoring force along the opposite direction with above-mentioned suspension hook approach axis to above-mentioned switch press sheet; Above-mentioned lid open-close sense switch is formed with the inclined plane that is used to pin make and break contact when rising by the leading section of sheet.
17, according to the lid blocking device of claim 10 or 16 described washing machines, it is characterized in that:
Above-mentioned lid open-close sense switch is formed with guide plate on the two sides by sheet, and above-mentioned guide plate is made above-mentioned elevating movement by sheet carry out correct rectilinear motion by above-mentioned inner side slot guiding of pressing the sheet guide bracket.
18, the lid blocking device of washing machine according to claim 10 is characterized in that:
Above-mentioned lid open-close sense switch is formed with guide plate on the two sides by sheet, and above-mentioned guide plate is made above-mentioned elevating movement by sheet carry out correct rectilinear motion by above-mentioned inner side slot guiding of pressing the sheet guide bracket.
19, according to the lid blocking device of claim 1,7,10,16 any described washing machines of claim, it is characterized in that:
Above-mentioned elastomeric element is the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031094651A CN1536139A (en) | 2003-04-11 | 2003-04-11 | Cover locking device of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031094651A CN1536139A (en) | 2003-04-11 | 2003-04-11 | Cover locking device of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1536139A true CN1536139A (en) | 2004-10-13 |
Family
ID=34319358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031094651A Pending CN1536139A (en) | 2003-04-11 | 2003-04-11 | Cover locking device of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1536139A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988258A (en) * | 2009-07-31 | 2011-03-23 | Lg电子株式会社 | Laundry treatment machine and control method thereof |
| CN101063387B (en) * | 2006-04-29 | 2011-07-06 | 杭州神林电子有限公司 | Electromagnetic door lock |
| CN102121187A (en) * | 2010-01-08 | 2011-07-13 | 日本电产三协株式会社 | Cover locking device and electric washing machine comprising the same |
| CN101571016B (en) * | 2008-05-04 | 2011-09-07 | 杭州神林电子有限公司 | Electromagnetic door lock |
| CN101517182B (en) * | 2007-04-25 | 2012-07-18 | 杜尔机械有限公司 | A doorlock device for an electric home appliance |
| CN102094305B (en) * | 2009-12-11 | 2013-07-24 | 杭州神林电子有限公司 | Door lock device |
| CN109610137A (en) * | 2019-01-18 | 2019-04-12 | 温州天健电器有限公司 | A kind of washing machine gate stop and washing machine |
| CN109958333A (en) * | 2019-03-07 | 2019-07-02 | 杭州神林电子有限公司 | A kind of power accumulating establishes formula door interlock switch by cable |
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2003
- 2003-04-11 CN CNA031094651A patent/CN1536139A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063387B (en) * | 2006-04-29 | 2011-07-06 | 杭州神林电子有限公司 | Electromagnetic door lock |
| CN101517182B (en) * | 2007-04-25 | 2012-07-18 | 杜尔机械有限公司 | A doorlock device for an electric home appliance |
| CN101571016B (en) * | 2008-05-04 | 2011-09-07 | 杭州神林电子有限公司 | Electromagnetic door lock |
| CN101988258A (en) * | 2009-07-31 | 2011-03-23 | Lg电子株式会社 | Laundry treatment machine and control method thereof |
| CN101988258B (en) * | 2009-07-31 | 2012-10-03 | Lg电子株式会社 | Laundry treatment machine and control method thereof |
| CN102094305B (en) * | 2009-12-11 | 2013-07-24 | 杭州神林电子有限公司 | Door lock device |
| CN102121187A (en) * | 2010-01-08 | 2011-07-13 | 日本电产三协株式会社 | Cover locking device and electric washing machine comprising the same |
| CN102121187B (en) * | 2010-01-08 | 2015-03-04 | 日本电产三协株式会社 | Cover locking device and electric washing machine comprising the same |
| CN109610137A (en) * | 2019-01-18 | 2019-04-12 | 温州天健电器有限公司 | A kind of washing machine gate stop and washing machine |
| CN109610137B (en) * | 2019-01-18 | 2021-07-06 | 温州天健电器有限公司 | Washing machine door hook and washing machine |
| CN109958333A (en) * | 2019-03-07 | 2019-07-02 | 杭州神林电子有限公司 | A kind of power accumulating establishes formula door interlock switch by cable |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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