CN103015810B - Door lock and the equipment being provided with identical door lock - Google Patents
Door lock and the equipment being provided with identical door lock Download PDFInfo
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- CN103015810B CN103015810B CN201110285065.1A CN201110285065A CN103015810B CN 103015810 B CN103015810 B CN 103015810B CN 201110285065 A CN201110285065 A CN 201110285065A CN 103015810 B CN103015810 B CN 103015810B
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Abstract
The present invention relates to a kind of door lock, described door lock has open mode and closed condition, and described door lock comprises: housing, it has the opening allowing gate stop turnover housing; Hammerlock, described hammerlock is installed in the housing, and hammerlock front portion has locked groove, between the two ends of hammerlock, have elongated hole, the top of locked groove has dead bolt, when door lock is in closed condition, described dead bolt inserts the lockhole on gate stop, has slope or radian above described dead bolt; Rocking arm, described rocking arm is installed in the housing, and described rocking arm has fixed end and movable end, and its fixed end is rotatably mounted in housing, and its movable end is slidably mounted in described elongated hole; Guide finger, is arranged on described hammerlock rear portion, and described guide finger carries out up and down and slide anteroposterior at guide surface, to allow hammerlock up and down with movable.The normal condition that door lock of the present invention can recover very easily under improper closed condition.The invention still further relates to a kind of equipment being provided with above-mentioned door lock.
Description
Technical field
The present invention relates to door lock, particularly relate to and a kind ofly inserted by gate stop for needing and extract and the door lock of switch.
Technical background
Electrical equipment, such as roller washing machine, micro-wave oven, dish-washing machine etc., it all has a Qianmen usually.For roller washing machine, roller washing machine put into by the clothes that will be washed by Qianmen.Roller washing machine all can be equipped with the door lock at a Qianmen, thus when roller washing machine runs, even if someone operates the door opener of roller washing machine at this moment or roller washing machine is given a shock, door lock also should lock front door for drum-type washing machine safely, and the Qianmen of roller washing machine can not be opened.Only after roller washing machine shuts down, door lock just discharges the locking to front door for drum-type washing machine.
A kind of known door lock is arranged on the front portion of roller washing machine, it has the opening and transportable hammerlock that allow gate stop turnover door lock, hammerlock has dead bolt, and door lock and the gate stop be fixedly mounted on Qianmen match, and gate stop has the gate stop lockhole that is held dead bolt.When the Qianmen of opening being closed, by Qianmen towards roller washing machine main body pivotable, thus gate stop inserts door lock opening, gate stop can promote hammerlock and move to its fastening position from its open position, hammerlock dead bolt is inserted in gate stop lockhole and gate stop engagement in the process, dead bolt interrupts the passage that gate stop exits door lock, door lock locking front door for drum-type washing machine.When wanting the Qianmen of open and close, then pull out Qianmen, gate stop applies power to the dead bolt be engaged with and makes dead bolt and gate stop lockhole depart from engagement, and dead bolt no longer interrupts the passage that gate stop exits door lock opening, and hammerlock arrives its open position Qianmen and is opened.That is, when Qianmen is in normal open mode, hammerlock is in its open position, like this when Qianmen closed by needs, namely hammerlock can be pushed to its fastening position thus locking Qianmen by gate stop being inserted door lock opening.
Of this sort door lock has such problem: namely when door lock is in improper closed condition, and it cannot return to normal condition easily.So-called improper closed condition refers to that door lock is not be in closed condition because gate stop inserts, but causes hammerlock in the closed position because other slender bodies (such as pen) insert in door lock opening thus make door lock be in the state of closedown.Because as previously mentioned, when door lock is in closed condition, dead bolt interrupts the passage (namely gate stop enters the passage of door lock) that gate stop leaves door lock, so when door lock is in improper closed condition at closing time, Qianmen will be caused after gate stop enters door lock opening to be closed by bolt blocks, roller washing machine also just cannot normally use.If allow door lock recover normal condition from by improper closed condition, just need the help of specialized maintenance personnel, this can bring very large inconvenience, and for domestic consumer, this problem is more serious.
So wish the door lock that can provide a kind of improvement, it can not only be opened and lock door normally, can also be restored to normal condition easily under door lock is in improper closed condition.
In addition, usual user always wishes that electrical equipment (such as roller washing machine) has more frivolous design when not sacrificing performance, can reduce its space taken like this and more attractive in appearance.So also wish that the door latch structure improved is compact, the electrical equipment body thickness of installing door lock can not be increased.
Summary of the invention
An object of the present invention is, provides a kind of door lock that can return to normal condition under improper closed condition very easily.
An object of the present invention is, provides a kind of door lock that can not increase the device thickness that door lock is installed.
An object of the present invention is, provides a kind of washing machine being provided with door lock of the present invention.
The present invention relates to a kind of door lock, described door lock has open mode and closed condition, and described door lock comprises: housing, it has the opening allowing gate stop turnover housing; Hammerlock, described hammerlock is installed in the housing, and hammerlock front portion has locked groove, between the two ends of hammerlock, have elongated hole, the top of locked groove has dead bolt, when door lock is in closed condition, described dead bolt inserts the lockhole on gate stop, has slope or radian above described dead bolt; Rocking arm, described rocking arm is installed in the housing, and described rocking arm has fixed end and movable end, and its fixed end is rotatably mounted in housing, and its movable end is slidably mounted in described elongated hole; Guide finger, is arranged on described hammerlock rear portion, and described guide finger carries out up and down and slide anteroposterior at guide surface, to allow hammerlock up and down with movable.
The invention still further relates to the washing machine being provided with the open door lock of the present invention.
One of beneficial effect of the present invention makes door lock under improper closed condition, and by closing the door normally, mode just can make door lock return to normal condition very easily, helps without the need to seeking any other.
Another beneficial effect of the present invention makes door latch structure compact, can not increase the electrical equipment body thickness that door lock is installed.
Another beneficial effect of the present invention makes such as washing machine etc. be provided with the electrical equipment of above-mentioned door lock under door lock is in improper closed condition, by closing the door normally, mode just can make door lock return to normal condition very easily, and therefore can not increase the thickness of electrical equipment.
Accompanying drawing explanation
Accompanying drawing 1 is the exterior perspective view of a kind of door lock disclosed by the invention;
Accompanying drawing 2a is the three-dimensional view of the first half hull outside of the door lock shown in Fig. 1;
Accompanying drawing 2b is the assembling schematic diagram of the Rear housing half of the door lock shown in Fig. 1;
Accompanying drawing 2c is the inside stand stereogram of the Rear housing half of the door lock shown in Fig. 1;
Accompanying drawing 2d is the partial enlarged drawing of part A in Fig. 3;
Accompanying drawing 3a is the stereogram of a kind of hammerlock disclosed by the invention;
Accompanying drawing 3b is the stereogram of a kind of hammerlock disclosed by the invention;
Accompanying drawing 4 is top views of hammerlock shown in Fig. 3;
Accompanying drawing 5 is the views along A-A direction of hammerlock shown in Fig. 4;
Accompanying drawing 6a is the stereogram of the Rear housing half having installed all parts in Fig. 2 b;
Fig. 6 b is the partial enlarged drawing of part B in Fig. 6 a;
The door lock that Fig. 7 a ~ 7c shows Fig. 1 from normal open mode to Normal Shutdown state process the schematic diagram of three states;
The door lock that Fig. 8 a ~ 8c shows Fig. 1 from Normal Shutdown state to normal open mode process the schematic diagram of three states;
The door lock that Fig. 9 a ~ 9c shows Fig. 1 from improper closed condition to Normal Shutdown state process the schematic diagram of three states;
Figure 10 a is the top view of Rear housing half when washing machine is in non-operating state (door lock is in open mode) in Fig. 6 a;
Figure 10 b is the top view of door lock Rear housing half when washing machine is in non-operating state (door lock is in closed condition) in Figure 10 a;
Figure 10 c is the top view of door lock Rear housing half when washing machine is in operating condition (door lock is in closed condition) in Figure 10 b;
Figure 11 a is the anterior schematic diagram of the washing machine being provided with door lock of the present invention;
Figure 11 b is the top view of the washing machine being provided with door lock of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawing forming this manual part, various detailed description of the invention of the present invention is described.It should be understood that, although use the term representing direction in the present invention, such as "front", "rear", " on ", D score etc. describes various example features of the present invention and element, but use these terms just object for convenience of description at this, determine based on the example orientations shown in accompanying drawing.Because disclosed embodiment of this invention can be arranged according to different directions, so these represent that the term in direction just should not regard as restriction as explanation.In the conceived case, the identical or similar Reference numeral used in the present invention refers to identical parts.
Fig. 1 is the stereogram of a kind of door lock disclosed by the invention.Door lock housing 1 is assembled by first half housing 1a and the cooperation of Rear housing half 1b two parts, and all parts of door lock is installed within the case 1.First half housing is 1a is half housing with the opening 101 that gate stop can be allowed to enter, and Rear housing half 1b refers to half housing installing all parts.First half housing 1a and Rear housing half 1b outline basically identical, thus just form housing 1 when two and half housings connect together.The material optionally plastic material of housing 1 also can be its material.
Fig. 2 a is the three-dimensional view outside the door lock first half housing 1a shown in Fig. 1.As shown in Figure 2 a, front shell 1a has lateral wall, sidewall there is the ratchet 150 that several stretch out downwards, time together with first half housing 1a is installed to Rear housing half 1b, ratchet 150 lateral wall of fastening Rear housing half 1b tightly and the fit structure of ratchet 150, thus two and half housings are fitted together firmly.What the surface texture that first half housing 1a and Rear housing half 1b can also be worked in coordination by other was fastening meshes together formation housing 1.Housing just can be installed together by the linkage that this mode can not be separated by means of other, very convenient.Can certainly pass through other means, the modes such as such as securing member, fit together first half housing 1a and Rear housing half 1b.Opening 101 is arranged on the front portion of first half housing 1a, and gate stop (not shown) enters and exit housing 1 by opening 101.Housing 1 has housing forward end 121 and housing rear end 122.
Fig. 2 b is the assembling schematic diagram that in Fig. 1, door lock all parts is installed to Rear housing half 1b.As shown in Figure 2 b, Rear housing half 1b is formed and holds hammerlock 21 respectively, the cavity 102,103 and 104 of Lock Part 25 and traction element 26.Hammerlock 21 is provided with rocking arm 22 and guide finger 24.Wherein, form the Rear housing half 1b of cavity 102 and have and be oppositely arranged guide surface 11a and 11b, when hammerlock 21 is installed in cavity 102, be arranged on guide finger 24 on hammerlock support by described guide surface 11a and 11b.
Fig. 2 c is the three-dimensional view of Rear housing half 1b another one angle, its structure showing guide surface 11a and 11b clearly.
Fig. 2 d is the partial enlarged drawing of guide surface 11a and 11b of part A in Fig. 2 c, because guide surface 11a with 11b has symmetrical identical structure, is only described for 11b below.Guide surface 11b is step as shown in the figure, and it comprises three guiding surface section 112,113 and 114.Guiding surface section 112 extends obliquely, guiding surface section 113 is from guiding surface section 112 peak b point along extending forward, guiding surface section 114 is for the range of restricted guidance pin 24, and it upwards extends from guiding surface section 113 and forms turning α with guiding surface section 113.Optionally, turning α is 90 degree or is less than 90 degree.
Fig. 3 a shows a kind of illustrative examples of hammerlock disclosed by the invention.Hammerlock 21 has front end 211 and rear end 212, has locked groove 213 in the front end of hammerlock, has the dead bolt 214 stretched out forward above locked groove 213, and the top of dead bolt 214 has a radian or slope 215.The below of dead bolt 214 has the bottom 216 of stretching out forward, and the length of bottom 216 is longer than the length 214 of dead bolt.Hammerlock 21 comprises symmetrically arranged wall 219a and 219b, and described wall 219a and 219b extends to hammerlock rear end 212 and form the space holding bias component 231 and 232 in-between from hammerlock front end 211.
Sidewall 219a and 219b between the front end 211 and rear end 212 of hammerlock is respectively equipped with symmetrical elongated hole 217a and 217b (not shown).Elongated hole 217a and 217b is used for the movable end slidably installing rocking arm 22.Elongated hole 217a and 217b is near the front end 211 of hammerlock.Hammerlock 21 is provided with coupling part 202 at the rear of hole 217a and 217b, and optionally, coupling part 202 is one and extends transverse to hammerlock 21 length direction and to be fixed on the beam 202 on sidewall 219a and 219b, and beam 202 is integrally formed with hammerlock.Certainly, beam 202 also can be dismountable being installed on hammerlock 21.
There is at sidewall 219a and 219b rear end hole 218a and 218b installing guide finger 24, guide finger 24 passing hole 218a and 218b is installed to the rear end of hammerlock 21, and two end 24a of guide end 24 and 24b (not shown) are respectively to overhanging 218a and 218b that portal.Guide finger 24 is made for metal material, also can adopt other firm materials.Certainly, guide finger also can be integrally formed with hammerlock.
Fig. 3 a also show the embodiment being installed to hammerlock upper rocker arm.Rocking arm 22 global shape is U-shaped substantially, has fixed end 221 and movable end 222.Fixed end 221 is connected by coupling part 223 (not shown) with movable end 222.Rocking arm 22 can be the individual construction be integrally formed, because be easy to manufacture; But also can non-ly be integrally formed.After hammerlock 21 is in place, fixed end 221 is rotating to be fixedly mounted on Rear housing half 1b, and movable end 222 through hole 217a and 217b, thus is slidably arranged in 217a and 217b of hole.
Fig. 3 b is the stereogram that the hammerlock shown in Fig. 3 a shows from relative side, the structure showing above-mentioned rocking arm clearly.Rocking arm fixed end 221 is connected towards extending beyond below sidewall 219b with coupling part 223 below sidewall 219a transverse to the length direction of hammerlock 21 from its end, coupling part 223 extends up to 217b place, hole and is connected with movable end 221, and movable end 221 extends priority and passes hole 217b and 217a and exceed sidewall 219a and stop.Rocking arm movable end 222 is just arranged in 217a and 217b of hole, and can slidably reciprocate between the two ends of elongated hole 217a and 217b.Certainly, the rocking arm 22 arranging said structure in the other direction is also fine.And should be appreciated that other structures but the rocking arm with fixed end and movable end also within the scope of the invention.
Fig. 4 is the top view of hammerlock shown in Fig. 3 a and Fig. 3 b, which show bias component 231 and 232 and is arranged in the hammerlock cavity of sidewall 219a and 219b restriction.
Fig. 5 is the view of hammerlock shown in Fig. 4 along A-A direction, more show clearly the relation being arranged on bias component and miscellaneous part in hammerlock.Bias component 231 and 232 can be spring, but also can be flexure strip or other there are flexible parts.The front end of spring 231 is connected on the fixed end 221 of rocking arm 22, and rear end is connected on guide finger 24.The pulling force that spring 231 can provide guide finger 24 to move forward, as long as so can provide the pulling force that guide finger 24 moves forward, the rear end of spring 231 can be connected to other parts on hammerlock 21 rear end and not can only be connected on guide finger 24.The front end of spring 232 is connected on the movable end 222 of rocking arm 22, and the rear end of spring 232 is connected on coupling part 202.
Figure 6 a shows the Rear housing half 1b having installed all parts in Fig. 2 b.The hammerlock 21 being provided with rocking arm 22, guide finger 24 and bias component 231 and 232 is arranged in cavity 102, and Lock Part 25 and traction element 26 are arranged in cavity 103 and 104 respectively.The length of hammerlock 21 extends between housing, and the length direction of hammerlock is the bearing of trend between housing forward end 121 and rear end 122.
In Fig. 6 a, hammerlock is in its fastening position, the position of the opening 101 now roughly corresponding first half housing in the position of hammerlock front end 211 1b arranged, thus gate stop top can touch the slope 215 of the dead bolt 214 at hammerlock front end place after entering opening 101.The fixed end 221 of rocking arm 22 is rotatable to be fixedly mounted on Rear housing half 1b.
Fig. 6 b is the partial enlarged drawing of part B hammerlock rear end 212 in Fig. 6 a, clearly show end 24a that guide finger 24 outwards stretches out hole 218a be respectively directed to the guiding surface section 113 and 114 of surperficial 11a support and rest on the α place, turning of guide surface 11a.Although not display in figure, it should be known that the guiding surface section 113 and 114 being directed to surperficial 11b that another end of guide finger 24b is same support and rest on the α place, turning of guide surface 11b.
Below the course of work of door lock of the present invention is illustrated further.
Fig. 7 a ~ 7c be showing door lock from normal open mode to Normal Shutdown state process the schematic diagram of three states.Be to be understood that, although the door lock with traction element and Lock Part is a preferred embodiment of the present invention, but the door lock without traction element and Lock Part can make door lock return to normal condition very easily equally under improper closed condition, belongs to door lock disclosed by the invention equally.It is below the explanation that the door lock of the present invention without traction element and Lock Part carries out for example.
Fig. 7 a shows door lock when being in open mode.Now hammerlock is in its open position, guide finger 24 be directed to the guiding surface section 112 of surperficial 11a and 11b support (in figure, illustrate only guide surface 11a).Bias component 231 pairs of removable pins 24 apply pulling force forward, but stop because guide finger 24 is directed to surface portion 112 thus rests on guiding surface section 112.
Optionally, guiding surface section 112 outline is arc surface, the axis at its place, center of circle is identical with the axis at rocking arm fixed end 221 place, the guiding surface section 112 with such arc surface at least has following advantage:, two ends due to bias component 231 connect guide finger 24 and fixed end 222 respectively, when not having other foreign components (gate stop or other slender bodies as insertion) to apply external force to hammerlock, guide finger 24 can very stably rest on circular arc guiding surface section 112 optional position, guide finger 24 particular location rested in conductive line surfaces part 112 depends on the size of hammerlock.And when applying external force, the movement of guide finger 24 on guiding surface section 112 is convenient to again in the setting of this arc surface.But should be appreciated that to there is guiding surface section 112 that other shapes extend obliquely also within protection scope of the present invention.
Now 216 be roughly positioned at dead bolt 214 immediately below door lock opening 101 and be positioned at the rear of door lock opening 101, so dead bolt 214 can not be touched when gate stop 31 enters into housing downwards from door lock opening 101 bottom hammerlock.Rocking arm movable end 222 is against the rear end (only showing 217a in figure) of elongated hole 217a and 217b.
Fig. 7 b shows door lock in Fig. 7 a to the state (to answering the door just in pent process) in Normal Shutdown state transition, schematically shows a kind of gate stop 31 simultaneously.Gate stop 31 has the lockhole 312 above bottom 311 and contiguous bottom.Gate stop top 311 contacts the bottom 216 of hammerlock 21, gate stop top 311 applies to try hard to recommend dynamic hammerlock front end 211 downwards and moves down, hammerlock 21 applies power by elongated hole 217 hole wall to rocking arm movable end 222, promote the axis of rocking arm movable end 222 round rocking arm fixed end 221 place in the drawings counterclockwise to rotate, thus promote the axis counterclockwise rotation of hammerlock 21 around rocking arm fixed end 221 place, to make guide finger 24 move up along guiding surface section 112, until exceed the peak b of guiding surface section 112.
Fig. 7 c door lock shown in Fig. 7 b arrives its Normal Shutdown state.Along with gate stop continues to move down, guide finger 24 in Fig. 7 b moves up, after exceeding the peak b of guiding surface section 112, it is directed to surface portion 113 and supports, because now guide finger 24 no longer stops by guiding surface section 112, bias component 231 applies bias force and pulls guide finger 24 to move forward along guiding surface section 113, thus drives hammerlock 21 to move forward, guide finger 24 go ahead mobile until be directed to surface portion 114 stop and be thus parked in α place, turning.So b point is also the critical point of conductive line surfaces part 112 and 113.In the process, under the restriction of rocking arm 22, the dead bolt 214 of hammerlock front end inserts forward gate stop lockhole 312 and is engaged with and promotes gate stop downwards, and such hammerlock 21 arrives fastening position, and door lock is in Normal Shutdown state, and door is finally closed.Because hammerlock 21 moves forward, dead bolt 214 now in the vertical direction is located substantially on immediately below door lock opening 101, interrupts the passage that gate stop 31 passes in and out housing 1.
Accompanying drawing 8a ~ 8c show the door lock shown in Fig. 7 a ~ Fig. 7 c from Normal Shutdown state to open mode process the schematic diagram of three states.
Fig. 8 a shows door lock when being in Normal Shutdown state.Now hammerlock 21 is in its fastening position, and dead bolt 214 inserts gate stop lockhole 312 and is meshed with it.Guide finger 24 is directed to surface portion 113 and supports, and bias component 231 pairs of removable pins 24 apply pulling force forward, but stops owing to being directed to surface portion 114, and guide finger 24 can not move forward the α place, turning being limited at guide surface.
Fig. 8 b shows door lock in Fig. 8 a to the state (process that corresponding Qianmen is being opened) in open mode transition.Gate stop 31 has been pulled upwardly, gate stop upwards applies power in dead bolt 214, hammerlock front end 211 is moved up; rocking arm movable end 222 turns clockwise in the drawings around the axis at rocking arm fixed end 221 place, it makes hammerlock 21 rotate around the axis both clockwise at rocking arm fixed end 221 place to after-applied power in the rear end of hole 217a and 217b.Guide finger 24 along with hammerlock 21 rotation and move backward along guiding surface section 113, until exceed the peak b of guiding surface section 112 backward.Guide finger 24 due to lose guide surface 113 supporting and along guiding surface section 112 slide downward, till gate stop is pulled out completely.In the process, along with hammerlock 21 backward mobile and gate stop 31 move up, dead bolt 214 also moves backward thus departs from and the engaging of gate stop lockhole 312, and dead bolt 214 no longer interrupts the passage that gate stop 31 passes in and out housing 1, gate stop 31 continues to move up, thus can leave door lock housing 1.
Fig. 8 c door lock shown in Fig. 8 b arrives its normal open mode.When guide finger 24 is after guiding surface section 112 slide downward, the bias force that bias component 231 is applied to guide finger 24 makes guide finger 24 compression rest on guiding surface section 112, thus making hammerlock 21 remain on its open position, door lock is in its normal open mode.
Fig. 9 a ~ 9c shows the door lock shown in Fig. 7 a ~ Fig. 7 c and Fig. 8 a ~ Fig. 8 c just can return to normal condition from improper closed condition very easily by the mode of normally closing the door.
Fig. 9 a shows the door lock 100 be under improper closed condition, and hammerlock 21 is in and shown hammerlock fastening position in Fig. 7 c and 8a, but gate stop 31 not as shown in Fig. 7 c and Fig. 8 a engage with dead bolt.On the contrary, dead bolt 214 in the vertical direction is located substantially on immediately below door lock opening 101, has interrupted the passage that gate stop 31 passes in and out housing.The gate stop top 311 entering door lock opening 101 downwards contacts and slope (or radian) 215 above lower compression dead bolt 214.Gate stop is applied to the transverse component F that the downward Lik-Sang of hammerlock 21 becomes to promote hammerlock 21 and move backward by this slope (or radian) 215.
Fig. 9 b shows door lock hammerlock 21 in Fig. 9 a and moves backward under the effect of above-mentioned transverse component F.Specifically, under the effect of above-mentioned transverse component F, hammerlock 21 moves backward, and guide finger 24 moves backward along with hammerlock 21 and moves backward along guiding surface section 113, thus abdicates the passage continuing to move down in permission gate stop top 311.The Design of length of dead bolt 214 is before guide finger 24 moves backward to the peak b of guiding surface section 112, and dead bolt 214 has abdicated the passage allowing gate stop top 311 to continue movement straight down.In the process, also move backward along with hammerlock 21 moves elongated hole 217a and 217b backward, rocking arm movable end 222 moves forward relative to elongated hole.Like this, bias component 232 is elongated, and it produces the power impelling guide finger 24 to reset.In the process, bias component 321 is elongated, and it also produces the power helping guide finger 24 to reset.
Fig. 9 c show gate stop continue to move down make door lock arrive closed condition.Along with dead bolt as Fig. 9 b abdicates the passage that movement is straight down continued on gate stop top 311, dead bolt 214 is crossed on gate stop top 311, after this under the pulling force effect of bias component 231, guide finger 24 moves forward reset along guiding surface section 113, drive hammerlock 21 to move forward, dead bolt 214 moves forward along with the reach of hammerlock thus the gate stop lockhole 312 inserted above gate stop top being engaged with.Hammerlock 21 arrives its fastening position again, and door lock arrives closed condition, and door is normally closed.
Visible above-mentioned Fig. 7, Fig. 8 and Fig. 9 (for simplicity, Fig. 7, Fig. 8, Fig. 9 refers to Fig. 7 a-Fig. 7 c respectively, Fig. 8 a-Fig. 8 c and Fig. 9 a-Fig. 9 c) shown in door lock not only can open and close easily, thus make to be opened and closed normally, and when door lock can be made to be in improper closed condition, as long as by mode of closing the door normally, door lock just can be made to be restored to normal condition, very convenient, eliminate the trouble need sought professional and help.
Forward now Fig. 3 a to, elongated hole 217a and 217b as shown in Figure 3 a extends along the length direction of hammerlock substantially.Elongated hole 217a and 217b profile are not common rectilinear forms, but between elongated hole rear and front end, be formed with downward projection 292.Protruding 292 can be formed in the following manner: the downside of elongated hole 217a and 217b to have from elongated hole rear end obliquely and the front extensions 290 extended forward, this front extensions 290 end to end at from elongated hole front end obliquely and the end of the part 291 that extends back extended back, thus forms downward projection 292.The structure of this elongated hole is also show in Fig. 7, Fig. 8 and Fig. 9.If common rectilinear elongated hole, then find the impact due to frictional force, when normally closing door lock (when namely gate stop inserts); rocking arm can slide into front end from elongated hole rear end; so just may occur that hammerlock just rotates counterclockwise around the axis of guide 24; rocking arm slides in elongated hole, but guide finger 24 is not along the situation that guiding surface section 112 moves upward, and therefore makes door lock to close.And elongated hole 217a and 217b had to lower convexity 292 as shown in Figure 3, then can limit the motion of rocking arm 22 in these cases.Ideally, protruding 292 can make rocking arm movable end 222 can not slide relative to elongated hole 217a and 217b when normal closedown door lock, thus ensure that door lock can be normally closed by inserting gate stop under normal open mode.Even if due to manufacturing tolerance; rocking arm movable end 222 can slide by relative elongated hole 217a and 217b when door lock is normally closed; the part 291 that will be subject to when it slides at most protruding 292 place extending back limits and cannot continue forward slip; still ensure that door lock can normally be closed when gate stop inserts.And the elongated hole of this structure can also ensure under the improper closed condition of door lock; rocking arm movable end 222 can slide smoothly in elongated hole; because in the improper closedown situation of door lock; hammerlock front end 211 is depressed; so the angle that the part 291 that now extends back is formed relative to horizontal direction is less, can not affect rocking arm movable end 222 relative elongated hole forward slip in elongated hole.So elongated hole 217a and 217b of this shape can ensure that door can not move upward along guiding surface section 112 due to above-mentioned guide finger 24 and cause the situation that door lock cannot be closed.
Although Fig. 3 and Fig. 7, elongated hole 217a and 217b shown in Fig. 8 and Fig. 9 is a kind of preferred embodiment, but when being to be understood that the linear elongated hole of ordinary straight allows door lock of the present invention to be subject to the downward power of gate stop equally under improper closed condition, hammerlock 21 also can move as shown in Figure 9 backward, also can solve the technical problem making the door lock of improper closedown recover normal condition easily.Certainly, elongated hole 217a and 217b also can have other shape.
In addition, for the consideration of security standpoint, user wishes that front door for drum-type washing machine can be in the lock state in washing machine running always.Except non-severed roller washing machine power supply makes roller washing machine shut down, even if otherwise in laundry processes front door for drum-type washing machine be applied in outside pulling force, Qianmen can not be opened.In the present invention, further by above-mentioned door lock, installation Lock Part and traction element realize above-mentioned purpose further.
The illustrative examples of a kind of Lock Part disclosed by the invention and traction element is also show in Fig. 2 b.The front portion of Lock Part 25 has the space 252 that can hold hammerlock rear end 212, and space 252 limited by protuberance 255 and 256.Optionally, Lock Part 25 has outwardly directed metallic pin 251, and metallic pin 251 is also gone up and is also provided with elastomeric element 254, and this elastomeric element is such as spring.Further alternative, this metallic pin is arranged on protuberance 256.
Traction element 26 can be spiral coil assembly as shown in Figure 2, can produce magnetic field after energising.When traction element and Lock Part are installed in Rear housing half 1b, the metallic pin 251 being provided with elastomeric element 254 inserts in spiral coil assembly 26.When spiral coil assembly 26 is energized, its magnetic field produced produces tractive force to metallic pin 251, thus traction lock limiting-members 25 moves towards traction element 26, now, the elastomeric element 254 be arranged on metallic pin is produced the bias force contrary with tractive force direction by compression, but the tractive force that magnetic field produces exceedes the bias force that elastomeric element 254 is produced by compression.The magnetic field dissipate when spiral coil assembly 26 stops energising, is now made Lock Part reset by the bias force that the elastomeric element 254 compressed produces.
Figure 10 a is the top view of door lock Rear housing half 1b when washing machine is in non-operating state in Fig. 6 a, and spiral coil assembly 26 no power, Lock Part 25 is in non-locked position, and the metallic pin 251 being provided with elastomeric element 254 inserts in spiral coil assembly 26.As shown in Figure 10 a, now door lock is in open mode and hammerlock 21 is in its open position.The protuberance 255 and 256 of Lock Part 25 lays respectively at the top of hammerlock sidewall 219b and the below of hammerlock sidewall 219a, and the space 252 that protuberance 255 and 256 limits holds hammerlock rear end 212.
Figure 10 b shows the Rear housing half 1b in Figure 10 a, spiral coil assembly 26 no power, Lock Part 25 is in non-locked position, but now door lock is transformed into closed condition from the open mode shown in Figure 10 a, and hammerlock 21 also arrives its fastening position from the open position Figure 10 a.As shown in fig. lob, space 252 is left because hammerlock 21 moves forward to its fastening position in hammerlock rear end 212.
According to Figure 10 a and Figure 10 b, when Lock Part is in non-locked position, hammerlock 21 can realize Fig. 7, shown in Fig. 8 and Fig. 9 at its open position and fastening position any switching laws, namely the Qianmen of washing machine can be opened and closed freely.
Figure 10 c shows the Rear housing half 1b in Figure 10 b, and compared with the Rear housing half 1b in Figure 10 b, the Lock Part 25 of the door lock that its difference is in Figure 10 c is in latched position, door lock state when its corresponding washing machine runs.Now spiral coil assembly 26 is energized, spiral coil assembly can produce magnetic field as previously mentioned, the metallic pin 251 of tractive force meeting traction lock limiting-members 25 that it produces moves down, Lock Part 25 is moved down into latched position from the non-locked position shown in Figure 10 a and 10b thereupon, protuberance 255 moves to the rear of hammerlock rear end 212, protuberance 255 end props up hammerlock rear end 212, therefore hammerlock 21 cannot get back to its open position, door lock cannot be opened, and this just ensures that washing machine front door cannot be opened when washing machine operates after shutting.
Should be appreciated that the structure of Lock Part 25 can have other form.As protuberance 256 just can be omitted, now metallic pin 251 can be installed in other parts of Lock Part 25, only needs Lock Part to have protuberance 255 and holds the space 252 of hammerlock rear end.
Again such as, when Lock Part 25 is moved down into latched position, protuberance 255 might not contact hammerlock rear end 212, even if having space between protuberance 255 end and hammerlock rear end, as long as this space is moved after being not enough to make hammerlock 21 abdicate the passage that gate stop 311 exits door lock.
The door lock having installed Lock Part and traction element has the advantage that can ensure that door cannot be opened when washing machine operates.
And, door latch structure of the present invention makes hammerlock length direction and hammerlock move forward and backward direction and gate stop passes in and out direction perpendicular, thus not only solve how easily improper closedown door lock to be recovered normal problem, and this structure can not increase the thickness being provided with this door latch device.Above-mentioned advantage will be example embodiment clearly by the following door lock be arranged on a roller washing machine front portion.
Figure 11 a shows the schematic diagram that has the roller washing machine front portion 800 of door lock disclosed by the invention.Roller washing machine front portion has the opening picking and placeing clothing, and what usual opening was placed in the middle is arranged on roller washing machine front portion.Roller washing machine is anterior is provided with door lock 100 disclosed by the invention closing on opening part.Door lock opening 101 is outwards arranged facing to roller washing machine is anterior, and the length direction of door lock hammerlock 21 (not shown) is parallel to the plane at the anterior place of roller washing machine.
Figure 11 b is the top view of the roller washing machine having installed door lock 100 in Figure 11 a.Roller washing machine has Qianmen 300, and the side at Qianmen 300 is pivotable is arranged on roller washing machine front portion, and Qianmen 300 opposite side is provided with gate stop 31.When Qianmen is closed, gate stop 31 inserts in door lock opening 101 with the direction perpendicular to door lock opening 101, thus door lock 100 is closed as disclosed in manual is above-mentioned; When Qianmen open close time, gate stop 31 is to leave in door lock opening 101 perpendicular to the direction of door lock opening 101, thus door lock is opened as disclosed in manual is above-mentioned.Along with gate stop 31 inserts and leave door lock opening 101, the hammerlock 21 in door lock can seesaw along the direction (being namely parallel to the plane at the anterior place of roller washing machine) passing in and out door lock opening perpendicular to gate stop 31.Door lock housing is flat on the thickness direction of roller washing machine.So the length direction of door lock of the present invention its hammerlock after mounting can not increase the thickness of roller washing machine front portion, and the direction that seesaws of hammerlock also can not increase the thickness of roller washing machine front portion.
Door lock 100 can be arranged in such a way: the length direction of door lock hammerlock 21 is parallel to short transverse or the length direction of roller washing machine, and the direction that such hammerlock moves forward and backward is just parallel with the short transverse of roller washing machine or length direction.But should be appreciated that if the plane making the length direction of the hammerlock 21 of door lock of the present invention be parallel to the anterior place of roller washing machine is arranged, the length direction of hammerlock 21 also can become angle of slope with roller washing machine length direction or short transverse.Because now, the movable direction of hammerlock 21 is parallel to the plane (namely perpendicular to the turnover direction of gate stop) at the anterior place of roller washing machine equally.
So door lock of the present invention not only solves the problem conveniently cannot recovering normal condition under door lock in prior art is in improper closed condition, and its structure can not increase the thickness of roller washing machine front portion, naturally also would not increase the thickness of roller washing machine entirety because of the design of door lock, contribute to the thin design realizing roller washing machine.
Although in order to the object of example in this manual, that the door lock being arranged on the anterior locking laundry machine Qianmen of washing machine is described, but be to be understood that, door lock of the present invention is also applicable to other electrical equipment or needs to install the non-electric equipment of door lock, such as micro-wave oven, electric oven, dryer, dish-washing machine etc.Door lock of the present invention also may be used for locking the door be arranged on electrical equipment or other other positions of non-electric equipment, is such as arranged on the top of equipment to lock the door on top.As long as the door lock of the door of this equipment needs by the insertion of gate stop and extracts and change-over switch state.
Although with reference to the detailed description of the invention shown in accompanying drawing, present invention is described, should be appreciated that crimp type terminal of the present invention can also have many versions when not deviating from the spirit and scope of the present invention's instruction.All parts in the present invention in different detailed description of the invention, when the spirit of instructing without prejudice to the present invention and invention, can carry out exchanging and reconfiguring, the door lock obtained thus drops in protection scope of the present invention equally.Those of ordinary skill in the art also have different modes to change the parameter of disclosed embodiment by recognizing, the such as type of size, shape or element or material, all falls in the spirit and scope of the present invention and claim.
Claims (23)
1. a door lock, described door lock has open mode and closed condition, it is characterized in that described door lock comprises:
Housing, it has the opening allowing gate stop turnover housing;
Guide surface, it has stepped ramp type structure;
Hammerlock, described hammerlock is installed in the housing, and hammerlock front portion has locked groove, between the two ends of hammerlock, have elongated hole, the top of locked groove has dead bolt, when door lock is in closed condition, described dead bolt inserts the lockhole on gate stop, has slope or radian above described dead bolt;
Rocking arm, described rocking arm is installed in the housing, and described rocking arm has fixed end and movable end, and its fixed end is rotatably mounted in housing, and its movable end is slidably mounted in described elongated hole;
Guide finger, be arranged on described hammerlock rear portion, described guide finger is supported in the stepped ramp type structure of guide surface, so that guide finger carries out up and down and slide anteroposterior in the stepped ramp type structure of guide surface, to allow hammerlock up and down with movable.
2. door lock according to claim 1, is characterized in that:
The bottom of locked groove has bottom locked groove, is longer than described dead bolt bottom described locked groove, and when described door lock is in closed condition, described dead bolt inserts the lockhole on gate stop, and the apical support of gate stop is bottom described locked groove.
3. door lock according to claim 1, is characterized in that:
Described guide surface is arranged on the housing, and described guide finger carries out up and down and slide anteroposterior along the described guide surface on described housing, to drive hammerlock up and down with movable.
4. door lock according to claim 1, is characterized in that:
Described guide surface is stepped ramp type.
5. door lock according to claim 4, is characterized in that described guide surface also comprises:
The first guiding surface section extended obliquely, under door-lock opening state, described guide finger rests on described first guiding surface section;
Second guiding surface section, extends forward from described first guiding surface section;
3rd guiding surface section, upwards extends from described second guiding surface section;
Described second guiding surface section and the 3rd guiding surface section form fixing turning, and under door lock closed condition, described guide finger rests in described fixing turning.
6. door lock according to claim 5, is characterized in that:
Described first guiding surface section is circular arc, and the axis at its place, center of circle is identical with the axis at described rocking arm fixed end place.
7. door lock according to claim 3, characterized by further comprising:
First bias component, for the pulling force providing described guide finger to move forward along described guide surface;
Second bias component, for the pulling force providing described guide finger to reset along described guide surface.
8. door lock according to claim 7, is characterized in that:
Described first bias component connects the fixed end of described rocking arm and described guide finger;
Described second bias component connects the movable end of described rocking arm and is positioned at the locking arm portion at described elongated hole rear.
9. door lock according to claim 1, is characterized in that:
Under the improper closed condition of described door lock, the top of gate stop by described Open Side Down enter housing after, the tip contact of gate stop the slope above dead bolt described in lower compression or radian thus promote described hammerlock and move until produce and allow gate stop to continue downward passage backward, the movable end of described rocking arm slides relative to described elongated hole in described elongated hole in the process, and described guide finger moves backward along described guide surface;
When the top of gate stop is by described dead bolt and when continuing to move down, described guide finger travels forward along described guide surface, drive described hammerlock to travel forward, make described dead bolt insert the lockhole of gate stop, described door lock becomes closed condition.
10. door lock according to claim 1, is characterized in that:
Under described door-lock opening state, the top of gate stop by described Open Side Down enter described housing after promote to move downward bottom described hammerlock, make described guide finger along described guide surface upwards and travel forward to drive described hammerlock rear end upwards and travel forward, thus described dead bolt inserts the lockhole of gate stop, described door lock becomes closed condition;
Under described door lock closed condition, upwards pull gate stop, gate stop promotes described dead bolt and moves upward, make guide finger along described guide surface backward and move downward to drive described hammerlock rear end backward and move downward, thus described dead bolt is separated with the lockhole of gate stop, described door lock becomes open mode.
11. door locks according to claim 7, is characterized in that:
At described door lock in the on-state, when gate stop top by described Open Side Down enter described housing after promote to move downward bottom described hammerlock time, the bias force that described first bias component provides described guide finger to move forward along described guide surface.
12. door locks according to claim 7, is characterized in that:
Under the improper closed condition of described door lock, when the top of gate stop is by described dead bolt and when continuing to move down, the bias force that described second bias component provides described guide finger to move forward along guide surface.
13. door locks according to claim 1, characterized by further comprising:
Lock Part, described Lock Part is arranged on the rear side of described hammerlock rear end and can moves between latched position and non-locked position, under described door lock is in closed condition, when described Lock Part moves to latched position, it stops that hammerlock moves backward and makes hammerlock cannot abdicate the passage allowing gate stop turnover; When Lock Part moves to non-locked position, it does not stop that hammerlock moves backward and makes hammerlock can abdicate the passage allowing gate stop turnover.
14. door locks according to claim 13, is characterized in that:
Described Lock Part comprises protuberance, and described protuberance limits the space holding described hammerlock rear end, when described Lock Part is in non-locked position, and hammerlock rear end described in the space of described Lock Part; When described Lock Part moves to latched position, the body of wall of described Lock Part moves to described hammerlock rear end and moves backward to limit described hammerlock.
15. door locks according to claim 13, characterized by further comprising:
Traction element, described traction element draws described Lock Part and moves between latched position and non-locked position.
16. door locks according to claim 15, is characterized in that:
Described traction element is spiral coil assembly, described Lock Part has metallic pin and is arranged on the bias component on metallic pin, when described spiral coil assembly energising, described spiral coil assembly produces magnetic field and moves be inserted in spiral coil assembly to draw metallic pin, and Lock Part moves to latched position; When described spiral coil assembly no power, described Lock Part is reset to non-locked position by the bias force being arranged on the bias component generation on metallic pin.
17. door locks according to claim 1, is characterized in that:
Described elongated hole has front-end and back-end, and has downward projection between described front-end and back-end.
18. door locks according to claim 17, is characterized in that:
The downside of described elongated hole to have from elongated hole rear end obliquely and the front extensions extended forward and from elongated hole front end obliquely and the part that extends back extended back, the end of the part that extends back described in the end of described front extensions ends at thus form described projection downwards.
19. door locks according to claim 1, is characterized in that:
The length direction of described hammerlock and its movable direction pass in and out the direction of described opening perpendicular to gate stop.
20. door locks according to claim 1, is characterized in that:
The plane parallel at the place, equipment position that the length direction of described hammerlock and its movable direction and described door lock are mounted.
21. door locks according to claim 19 or 20, is characterized in that:
The thickness direction of the equipment that described housing is mounted along described door lock is flat.
22. 1 kinds of equipment needing door lock, in the front portion of described equipment, the door lock described in any one claim aforementioned is installed, the described opening of described door lock is outwards arranged perpendicular to the front portion of described equipment, the front portion of described equipment is also provided with pivotable Qianmen, side, described Qianmen has gate stop, gate stop passes in and out described opening along with Qianmen pivotable, and the length direction of the described hammerlock of described door lock and its movable direction pass in and out the direction of described opening perpendicular to gate stop and be parallel to the plane at the anterior place of described equipment.
23. equipment according to claim 22, is characterized in that, described equipment is one of any in washing machine, micro-wave oven, electric oven, dish-washing machine, dryer equipment.
Priority Applications (1)
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CN201110285065.1A CN103015810B (en) | 2011-09-23 | 2011-09-23 | Door lock and the equipment being provided with identical door lock |
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CN201110285065.1A CN103015810B (en) | 2011-09-23 | 2011-09-23 | Door lock and the equipment being provided with identical door lock |
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CN103015810A CN103015810A (en) | 2013-04-03 |
CN103015810B true CN103015810B (en) | 2016-02-17 |
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CN201110285065.1A Expired - Fee Related CN103015810B (en) | 2011-09-23 | 2011-09-23 | Door lock and the equipment being provided with identical door lock |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107245846A (en) * | 2017-08-10 | 2017-10-13 | 温州天健电器有限公司 | A kind of door lock tumbler and the door lock of washing machine with it |
Families Citing this family (4)
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IT201600105630A1 (en) * | 2016-10-20 | 2018-04-20 | Bitron Spa | Improved double push-lock device. |
IT201700038705A1 (en) * | 2017-04-07 | 2018-10-07 | Elettrotecnica Rold Srl | DEVICE FOR CLOSING AND OPENING OF DOORS, IN PARTICULAR OF HOUSEHOLD APPLIANCES SUCH AS DRYERS, WASHING MACHINES OR THE LIKE. |
TR201707943A2 (en) * | 2017-05-30 | 2018-12-21 | Serdar Plastik Sanayi Ve Ticaret Anonim Sirketi | SELF-ADJUSTABLE LOCKING SYSTEM |
CN112112494B (en) * | 2019-06-21 | 2022-01-21 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
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US6290270B1 (en) * | 1998-07-28 | 2001-09-18 | Elektromanufactur Zangenstein Hanauer Gmbh & Co. Kgaa | Door lock for an electrical household appliance |
WO2007140755A1 (en) * | 2006-06-03 | 2007-12-13 | Marquardt Gmbh | Lock for a domestic appliance |
CN101163844A (en) * | 2005-04-19 | 2008-04-16 | Bsh博世和西门子家用器具有限公司 | Household appliance with a locking equipment |
CN101713268A (en) * | 2008-09-29 | 2010-05-26 | 爱信精机株式会社 | Door lock apparatus |
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KR100970631B1 (en) * | 2003-08-26 | 2010-07-15 | 엘지전자 주식회사 | Structure for supporting for hook in drum-washing machine |
DE102004061231B3 (en) * | 2004-12-20 | 2006-04-20 | Ellenberger & Poensgen Gmbh | A method for locking an oven door during a pyrolytic cleaning process has an electric motor driven latch with vertical latitude |
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US6290270B1 (en) * | 1998-07-28 | 2001-09-18 | Elektromanufactur Zangenstein Hanauer Gmbh & Co. Kgaa | Door lock for an electrical household appliance |
CN101163844A (en) * | 2005-04-19 | 2008-04-16 | Bsh博世和西门子家用器具有限公司 | Household appliance with a locking equipment |
WO2007140755A1 (en) * | 2006-06-03 | 2007-12-13 | Marquardt Gmbh | Lock for a domestic appliance |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107245846A (en) * | 2017-08-10 | 2017-10-13 | 温州天健电器有限公司 | A kind of door lock tumbler and the door lock of washing machine with it |
CN107245846B (en) * | 2017-08-10 | 2019-02-12 | 温州天健电器有限公司 | A kind of door lock rotating device and the door lock of washing machine with it |
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