CN101268288A - Locking assembly - Google Patents
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- CN101268288A CN101268288A CN 200680034393 CN200680034393A CN101268288A CN 101268288 A CN101268288 A CN 101268288A CN 200680034393 CN200680034393 CN 200680034393 CN 200680034393 A CN200680034393 A CN 200680034393A CN 101268288 A CN101268288 A CN 101268288A
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Classifications
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- Y02T50/46—
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention provides a locking assembly (2) suitable for use in locking an aircraft seat in an upright position in an aircraft, for example. The locking assembly (2) includes a locking stud (10) having a locking cavity (12) and an aperture (14) for receiving the locking stud (10). A locking means ( 18 ) engages the locking cavity (12) when the locking stud (10) is received in the aperture (14). The locking assembly (2) also includes an unlocking means, which includes material adapted to contract when activated, such as shape memory alloy wire, to allow for disengagement from the locking cavity (12). The locking stud (10) is guided towards the aperture (14) by a locking stud guide (20).
Description
Technical field
The present invention relates to a kind of locking assembly.Though locking assembly of the present invention can have extensive use, comprise the situation that is used for any door or lock, but ensuing description will concentrate on the locking assembly that uses in the aerospace industry, especially those locking assemblys that occur in the passenger seat of aircraft or storeroom.Yet, be to be understood that the present invention is not limited in these application.
Background technique
In aircraft, passenger seat is very important safety component.With seat designs for when travelling comfort to a certain degree is provided to the passenger, also must provide Security under sail.Therefore, though under the weather condition of safety, passenger's seat of can swaying when cruising altitude is navigated by water, during taking off, when sliding, when landing or when navigating by water under severse weather, the passenger must be seated at stand up position.
Be devoted to for the passenger provides aspect the safe and comfortable seat, aircraft has allowed the passenger to control themselves seat position.Under the situation of the seat of should not swaying for passenger safety, the staff of airline broadcasts usually and requires to make all seat backs get back to its stand up position, and the operating personnel carries out visual examination and correctly takes a seat to guarantee all passengers then.The problem of the mode of this inspection passenger seat is the space that some mistakes are always arranged.Possible is, and seat only visually is left in the basket and correctly be not in its position.In addition, the passenger may be put in stand up position with its seat in order to deal with inspection, but sways seat after inspection, therefore endangering safety property.
Some existing passenger seat uses electromagnetic actuators to guarantee constantly correctly to be fixed urgent for safety seat.Yet the user of these locking frameworks finds that they will use too much power and very heavy, and these two features are not suitable for the course line navigation.For aircraft safety, aircraft must consider weight factor and the passenger board and luggage to gain in weight to aircraft before loading be undesirable characteristics.And using too much power is waste to the skyborne limited resources of aircraft.Therefore, airline require a kind of light, save power, be convenient to safeguard and do not have the locking framework of common pollution.
Typical memory cell in the aircraft is utilized mechanical lock mechanism or electro-mechanical locking framework.Breech lock is made up of the mechanism of bayonet or bail when door is closed usually.In closed position, breech lock divides with male portion and keeps engaging.In order to unclamp door, the user mentions latch handle simply, perhaps presses switch under the situation of electromagnetic latch, thereby unclamps door.Though this type systematic is being achieved success aspect the article loading of term of voyage, but problem is arranged.Have quite a large amount of motions during the flight between door and passenger cabin, this just causes the orientation problem between this mechanism and the pin.
The existing locking framework that is used for seat and overhead bin also have chip, water or other pollutant hinder lock out action problem.This locking framework is opened and is easy to be subjected to because the damage that these pollutants cause these elements.Therefore, locking framework can not correctly or on request be assembled together securely.The locking framework that can not fix can cause the problem of passenger safety aspect, and causes the problem of aircraft aspect these locking frameworks of maintenance.The fault of locking framework, control system or power supply can stop locking framework to be in a safe condition.In case locking framework damages or lost efficacy, passenger safety is just endangered, and usually may need overhaul, causes airline and causes finally that the passenger's is expensive.
Summary of the invention
The present invention is intended to by the variety of way solution or alleviates the problems referred to above at least.At first, locking assembly of the present invention has the guiding element that helps locking framework and finger setting.Locking assembly of the present invention can provide the locking framework of automatic location for passenger seat or storage box.This automatic location feature makes locking framework correctly to fix, and makes locking framework not be subject to fault or incorrect location influence.
Next, locking assembly of the present invention may not need physically to touch link and fixes overhead bin.This locking assembly can remote control starts, and need be by the user or via the hard wire physical operations, and can use software to report that overhead bin is fixing.This technology can realize assembling, dismounting, maintenance and the use of software control effectively, therefore makes this locking assembly be " intelligence " locking assembly.
The present invention can also comprise the automatic monitoring to seat state and overhead bin state, therefore in the safety-emergency phase of flight, do not have fixing seat or case can be reported to central location (central location), allow the cabin train crew take corrective measure.
The present invention also is unique aspect addressing the above problem, because in one embodiment, provides the locking assembly of sealing.Locking assembly can utilize the relation that never allows associated components to be disengaged fully each other.This sealing relationship can prevent chip or other pollutant of dust or water function of hindering locking assembly for example.
Compare with the electromagnetic actuators of prior art, the present invention can also reduce weight and power consumption significantly, and the while can be detected mistake and Report a Problem to the user.It can also strengthen passenger's travelling comfort by silent operation is provided.
Briefly, the invention provides a kind of locking assembly, comprising:
The locking bolt has latch well;
The hole is used to hold the locking bolt;
Locking device is suitable for engaging the latch well that locks bolt when the locking bolt is contained in the hole;
Unlocking device comprises that the material that is suitable for shrinking is disengaged from latch well with permission when being subjected to exciting; With
Locking bolt guiding device is suitable for towards hole guiding locking bolt.
The locking bolt can be selected from being fit to the interior of shape on a large scale.As an example, the locking bolt can be roughly circle at cross section, is tapered towards base portion.The locking bolt can be integrally formed or thereon attached with element that will be fastened.Attached can the realization by tackiness agent, anchor clamps or other suitable device.
Latch well can adopt any suitable shape, but is preferably the groove around locking bolt girth.
In a preferred embodiment, the locking bolt is the part of disclosed locking assembly among the international patent specification No.WO2005/047714, and this description is being hereby incorporated by reference.Second aspect and Figure 17 to 33 and the description relevant with particular reference to this invention in the quoting specification with the embodiment of these accompanying drawings.
Especially, preferably, locking device have a plurality of by rotatable shuttle (this be called " tooth that rotatable shuttle-type system (" shuttle system ") centers on, in this world specification disclosed.Yet, will be understood that the present invention is not limited to this class locking assembly.
The material that is suitable for shrinking when being subjected to exciting is preferably shape memory alloy wire.Marmem is known and mainly or all is made up of titanium and nickel usually.Can also comprise other material, for example aluminium, zinc and copper.Its temperature just becomes second shape above transition temperature in case marmem can adopt a kind of shape under predetermined transition temperature.On the contrary, when marmem was cooled to be lower than transition temperature, it can adopt first shape once more.About All aspects of of the present invention, marmem shrinks when heating in the original place.When adding thermal excitation, existing shape memory alloy wire, for example those that sell with Nitinol item can shrink about 3%.
Being suitable for when being subjected to exciting exciting of the material that shrinks preferably utilizes and is transported to the electric wire of assembly, heats via resistance type and realize.The exciting of shape memory alloy wire can use the wiring system of aircraft for example or Motor Vehicle to be started by central location.By the remote control unit starting also within the scope of the invention, for example, comprise microwave, electromagnetism, magnetic, sound wave, infrared rays, radio frequency or the like by using the handheld tool of any suitable form of energy operation.
Scope of the present invention needn't certain limitation in using marmem.Also can use other material.In addition, though excite and to realize that via heating other mode of excitation also is suitable and is in the scope of the present invention.
The hole preferably is formed in the body between two parties, and when use turned the shuttle-type system, the hole can hold tooth and shuttle.The hole is preferably the shape identical with the shape of cross section that locks bolt, and is for example circular.Any other suitable shape can be taked in the hole.
If the design of locking bolt has gradually thin part, it can be pushed in the hand-hole and engage, and does not need material is carried out any exciting.When using rotatable shuttle-type system, the gradually thin part on the locking bolt can be used to form the inclined-plane, pushes tooth open in tooth is snapped to groove as latch well.In this structure, just engage locking assembly.For locking assembly is disengaged, must excitation material so that its contraction and rotate shuttle so that tooth or other locking device and groove are disengaged.
In a preferred embodiment, the material that is suitable for shrinking when being subjected to exciting is a shape memory alloy wire, and it shrinks to reach necessary temperature by using appropriate energy, so that locking assembly moves to lockset position of coupler from locked position.In order to make locking assembly move to locked position, can connect second shape memory alloy wire similarly from lockset position of coupler.
Have in the preferred embodiment of rotatable shuttle-type system at locking assembly, the material that is suitable for shrinking when being subjected to exciting at one end attaches to shuttle and attaches to the nonrotational part of locking assembly, for example body of locking assembly at the other end around shuttle.In this preferred embodiment, the material that is suitable for shrinking when being subjected to exciting is a shape memory alloy wire, and shape memory alloy wire shrinks to reach necessary temperature by using appropriate energy, so that shuttle turns to lockset position of coupler from locked position.For it is turned to locked position from lockset position of coupler, second shape memory alloy wire can be connected to shuttle similarly.
In one embodiment, the locking bolt can slide in locking bolt guiding device, guiding device can towards with the locking bolt that leads away from the hole.Locking bolt guiding device preferably fits snugly in around the locking bolt and provides and lock the sealing relationship of bolt, enters locking assembly to prevent pollutant.If locking bolt cross section is circular, guiding device is preferably tubulose so.
Further preferably, Sealing is installed on locking and helps the dense block locking assembly with the inwall of contact guidance device on the bolt and prevent the contact stain thing.
In a preferred embodiment, make the locking bolt keep being constrained so that the locking bolt can not be disengaged fully with guiding device by guiding device.This can realize in any suitable way.
In a particularly preferred embodiment, the locking bolt attaches to piston or starts by piston, guiding device form make piston and locking bolt can be therein towards with the shell that slides away from the hole.Preferably, the locking pillar in the piston (locking strut) fits snugly in around the locking bolt and preferably provides and lock the sealing relationship of bolt, enters fastener assembly to prevent pollutant.If locking bolt cross section is circular, pillar is preferably tubulose so.
In this embodiment, piston as buffer and vibration damper so that for example offering help aspect controlling to open door towards storage unit.The weight load of can balance thereby it can carry out balance setting is controlled motion in addition.Equilibrator can comprise that spring, little weight or those skilled in the art can think other mechanism of Equilibrator.
When locking bolt when being disengaged, the locking pillar applies pneumatic buffer opening on the stroke.On the shutoff stroke that engages the locking bolt, there is minimum drag.
In a preferred embodiment, make the locking bolt keep being constrained so that the locking bolt can not be disengaged fully with guiding device by the pressure that produces by piston.This can realize in any suitable way.
In another embodiment, locking bolt guide design is for only relatively making locking anchoring position near Kong Shicai at the locking bolt.In this embodiment, locking bolt guiding device can be taked for example to bore or the form on inclined-plane, so that make the locking bolt can be constrained and be pushed the correct location that forms with the hole.
Preferably locking assembly has pivotal mounting.Yet it will be appreciated by those skilled in the art that other installs selection scheme and also can work.When pivotal mounting, locking assembly can have the damping feature to guarantee the control to the overhead bin load better.
Preferably, locking assembly of the present invention comprises the integrated electronics that is used to communicate by letter, and for example, is used to represent the locking of locking assembly or the integrated electronics of unlocking condition.Whether therefore, integrated electronics can indicate seat whether to be in correct location to the user, perhaps hang storage box and correctly close, and perhaps whether the load in the storing box has moved on to and may cause dangerous point.As limiting examples, this can realize by microswitch.Can be passed to tutorial light or be positioned at the similar mark of convenient location about the information of the locking of locking assembly and unlocking condition.
Indicate at lamp or other mark under the situation of incorrect locking or location, mobile load or possible overload, can call for example unit waiter positive status more manually of user, so that keep Security.
Locking assembly is preferably setovered towards locked position, and preferably disc spring is realized, disc spring places locking assembly of the present invention so that spring is pushed locking assembly to locked position.When excitation material, this can cause length of spring compressed, in case excitation material no longer, spring can correspondingly make locking assembly return locked position.
Locking assembly preferably of the present invention comprises the assisted bias device, for example is used to eject the spring of locking pillar.Comprising under the situation that locks pillar that what comprise is, the locking pillar comprises that spring or other Equilibrator help open and close and for example hangs storage box.
Locking assembly of the present invention can comprise many other selections.Selection is the sensing to temperature variation, for example is used to refer to dangerous high temperature, so that can start suitable alarm, locking assembly for example of the present invention is wired in the Aircraft Electrical System.Other sensing function also can be attached in the locking assembly of the present invention.
Locking assembly of the present invention can comprise the material of a plurality of for example shape memory alloy wires.This can provide redundancy, if so that exciting of a shape memory alloy wire fail operation system, in addition or another wire rod can be excited.
Preferably, locking assembly of the present invention comprises one or more sensors, and no matter locking assembly is in locking or unlocking condition, and whether sensor can detect the locking bolt and be present in the system.Locking assembly further preferably of the present invention comprises the lock state sensor, and this sensor can report that locking assembly is in locking or unlocking condition.This sensor for example can for example be used as reed witch, during with their contacts of box lunch, is in the report of locking or unlocking condition according to the configuration generation locking assembly of locking assembly.The lock state sensor can also come work by making it possible to finish a circuit.Other sensing structure and device are also applicable.
In a preferred embodiment, locking assembly of the present invention can also comprise and is used for the temperature transducer of temperature of sensing shape memory alloy wire.This can be applied to the energy value of shape memory alloy wire according to sensed temperature adjustment, so that the condition that changes is taken into account.For example, if temperature is lower, may needs that a large amount of power is delivered to shape memory alloy wire and be heated and require temperature.On the contrary, if the temperature height shrinks in order to make it, the energy value that be delivered to shape memory alloy wire may much less.In this, temperature transducer makes it possible to feed back and cause the adjustment of power output.
In a particularly preferred embodiment, locking assembly comprises the microprocessor that can realize one or several function.Microprocessor can be controlled the energy transfer to shape memory alloy wire, is preferably undertaken by the algorithm that depends on temperature.Microprocessor can be controlled the temperature of shape memory alloy wire.It can the sensing locking assembly state and locking assembly whether engage.Whether microprocessor can detect the locking bolt and be present in the locking assembly.Microprocessor can form wherein a part of this situation of network-reporting and the less important information that senses to locking assembly.Preferably, microprocessor is realized all these functions.
Locking assembly of the present invention also can comprise weighing transducer, is used for sensing for example on the parts of seat or the weight in the storage unit or come sensing weight whether to move to and may cause dangerous position.This locking assembly will provide about the weight of the contents of storage unit or the feedback of the weight on the seat to the user.This is a particular importance weight limits being arranged and needing in the aircraft of the weight on the balance aircraft.Locking assembly can perhaps can not carried out action through programming to refuse load under the situation of load exceedance, and being in needs user's manual unlocking compartment so that contents can not drop on user position on one's body heavyly.
It is responsive that the while aircraft moves weight.Locking system can detect moving of contents and will inform that the user needs manual intervention to open compartment with safety.
In one embodiment, locking assembly of the present invention can be designed to lock storage box under the situation that contents have jeopardously moved, and opens under the situation that does not have the unit waiter to assist so that prevent the passenger.
Locking assembly of the present invention can utilize minimum parts and have very little size with very low cost manufacturing.It is suitable for producing in enormous quantities, and if use thin shape memory alloy wire, only need can be designed to low power consumption.
Alternatively, locking assembly of the present invention has manual override device (override), so that for example under the situation of power failure, and perhaps if desired before connecting power supply under the situation of test locking assembly, the releasably locking assembly.
Example is shown in the accompanying drawing.In the embodiment who uses rotatable shuttle-type system, the manual override device can make shuttle can turn to lockset position of coupler.Preferably, the manual override device comprises the device that shuttle is pulled to lockset position of coupler, for example is connected to the bar and the manual actuator of shuttle, for example cable.When the tractive manual actuator, bar makes shuttle move to lockset position of coupler.
For security purpose, preferably keep away lock position biasing pull unit.For example, when pull unit comprises bar, may need stayed pole to overcome the effect of spring.In order further to prevent accidental or unexpected release, pull unit can comprise and is used for the device that engages with holding device.Such purpose is to guarantee must make wittingly before can handling the manual override device pull unit and holding device to be disengaged.For example accidental manual release can not appear yet even these two safeguarding mechanisms can help to guarantee to take place vibration.
Pull unit can be taked any other suitable form, comprises the form of Bowden cable (Bowdencable).
It will be appreciated by those skilled in the art that and have the situation that the user wants to use with manual mode locking assembly.This may be the disabled situation of electric power or only expect to use the manual mode that discharges locking framework because of the user.The present invention can operate in the mode of manual adjustment.
After the description and the detailed description to the preferred embodiment of the present invention to accompanying drawing below reading, other advantage of the present invention and aspect will become clear.
Description of drawings
Fig. 1 shows first embodiment's of the locking assembly of the present invention that is in lockset position of coupler plan view (having the thin portion of section);
Fig. 2 shows the rear view of locking assembly among Fig. 1, has shown the chair mounted seat;
Fig. 3 shows the front view of locking assembly among Fig. 1;
Fig. 4 shows the side view of locking assembly among the Fig. 1 that is in its locked position;
Fig. 5 shows the front view of locking assembly among the Fig. 1 that has removed the sealing lock cell;
Fig. 6 shows the partial cross section figure of the side view of locking assembly among Fig. 4;
Fig. 7 shows along the sectional view of Fig. 6 center line A-A intercepting;
Fig. 8 is a skeleton diagram, shows the embodiment of Fig. 1 of monitoring locking assembly to 7 embodiments;
Fig. 9 has shown storage unit in conjunction with second embodiment of the locking assembly of the present invention that is in locking or closed position with perspective view;
Figure 10 is the side view of storage unit among Fig. 9, and this locking assembly is in unblanks or open position;
Figure 11 is the side view of storage unit, has shown lockset position of coupler, but has for clarity sake omitted side plate;
Figure 12 is the side view corresponding with Figure 10, but has for clarity sake omitted side plate;
Figure 13 is the side cross-sectional view of locking assembly that is in second embodiment of locked position;
Figure 14 is the side cross-sectional view of second embodiment's that is shown in an open position locking assembly;
Figure 15 is the vertical section figure that is in the 3rd embodiment locked position, locking assembly of the present invention;
Figure 16 is in vertical section figure lockset position of coupler, middle locking bolt embodiment illustrated in fig. 15;
Figure 17 is the front view of locking bolt assembly among Figure 16;
Figure 18 is the front view of the part of assembly among Figure 15, has shown that body keeps seat;
Figure 19 is the front view of the maintenance seat of Figure 18, comprises the locking body of Figure 15; With
Figure 20 is the rear view of assembly among Figure 19, has removed back plate.
Embodiment
In the embodiment of Fig. 1 to 7, the present invention defines and is used for locking or the locking assembly 2 of the passenger seat of unblanking.With reference to figure 1, locking assembly 2 has locking bolt 10, and this locking bolt has latch well, promptly around the groove 12 of its girth.Groove 12 has tapered wall, and one of them tapered wall is presented at 22 places.Locking bolt 10 also is tapered towards base portion 24.
Rotatable shuttle is included in the body 18 and (can't see among the figure, but be illustrated among the specification WO 2005/047714 that is quoted with the shape memory alloy wire around being wrapped in this shuttle).Be designed to enter groove 12 and be also included within the body 18, as described in the specification of being quoted with the tooth 16 (Fig. 5) of locking locking bolt 10.
Locking bolt 10 can slip (Fig. 1,4 and 6) in locking bolt guiding device 20.The Sealing of being made by rubber, nylon or other suitable material 26 guarantees that locking bolt 10 becomes sealing relationship to slide with the inwall of guiding device 20.The end cap sliding bearing of being made by nylon or engineering order plastics 28 is used as the sliding action that Sealing also promotes locking bolt 10 simultaneously.Locking bolt 10 comprises sintered metal filter 29.This allows air rather than water to enter and leave locking bolt 10.
Locking assembly 2 also is provided with isolates mounting 30, pivotal block 32, chair mounted seat 34, shouldered tap bolt 36 (Fig. 2), cable 38 and manual override device cables 40.
In this embodiment, wishing that locking assembly 2 will be packed into thinks that the passenger provides the secured fashion of flight in the passenger seat on the aircraft.Chair mounted seat 34 provides and makes locking assembly 2 reliably be installed to the interior device of passenger seat.
In order to ensure passenger safety, locking assembly 2 acquiescences are in locked position.Be in this position by acquiescence, guarantee the passenger at severse weather, take off, land during or the safety when sliding take.
When discharging passenger seat safety, can start locking assembly 2 and come lock release position.The instruction that is used for this startup can be that remote control produces, and for example central location place aboard produces.When starting, cable 38 drives the shuttle motion in the body 18.When shuttle rotates, tooth 16 from the engaging of groove 12 discharge and lock bolt 10 and in locking bolt guiding device 20, slide away from the hole 14 in the locking bolt body 18.In case occur being disengaged, seat is just unblanked and can be required freely to move or sway according to the passenger.
Passenger seat can easily return to the locked position of its acquiescence from lockset position of coupler.When passenger and unit waiter moved to seat " landing " position, locking bolt 10 passed locking bolt guiding device 20 and advances and enter hole 14 and tooth 16 engaging grooves 12 up to base portion 24.Shuttle in the body 18 rotates with blocking teeth 16 and breaks away from from groove 12.Seat is locked in place and can not shift out this position then, till locking bolt 10 is discharged with remote control or alternate manner.
Between the moving period via locking bolt guiding device 20, may produce friction at locking bolt 10, this is undesirable feature.In this embodiment, use Sealing to alleviate friction.The locking bolt Sealing 26 that adds to locking bolt 10 has solved this problem and has been easy to lock the motion of bolt 10 via locking bolt guiding device 20.
Present embodiment can avoid generating another problem of excessive air pressure in locking bolt guiding device 20.When locking bolt 10 during to-and-fro motion, may generate the air pressure that hinders locking assembly 2 smooth motion abilities in locking bolt guiding device 20.The sintered metal filter 29 that is positioned at locking bolt 10 ends has alleviated stress problems.
The parts of this locking assembly 2 are sealing relationship each other.This relation allows locking assembly 2 to exclude the pollutant that hinders its operation, for example dust, water or other chip.
Locking bolt 10 and locking bolt guiding device 20 are in and do not allow the mutual sliding relation that breaks away from each other.This sliding relation is guaranteed the automatic location of locking assembly 2, prevents to endanger passenger safety and/or the possibility of the incorrect connection that causes damaging.
The remote control startup of this locking assembly realizes by electronic packaging component and microprocessor (not shown) that use is embedded in locking assembly 2 inside.Cable 38 is connected to power supply with locking assembly 2.With regard to aircraft, cable will receive the power from aircraft power supply.The combination of electronic packaging component and microprocessor allows locking assembly 2 to receive remote control command and makes response according to this instruction.
Under the situation of power failure, locking assembly 2 is equipped with and allows the user with the manual override device cables 40 of seat from its locked position manual release.The user simply spurs manual override device cables 40 rotates shuttle so that spur the bar 42 (Fig. 5 and 7) that is connected to shuttle again, thereby makes tooth 16 no longer be stopped.In case like this, when remote control starts, locking assembly 2 will be tried one's best and easily be discharged.
Be to be understood that locking assembly of the present invention can be used to other purposes, for example be used for door or other closure member are fixed to the opening and closing position.
With reference now to Fig. 8,, this is the skeleton diagram of representing how to monitor with embodiment described in the control graph 1 to 7.As can be as seen from Figure 8, aircraft control and monitoring system 43 can be via known networks, for example CAN bus or RS 485 systems and 45 communications of seat lockout controller.The seat lockout controller can be represented the part of the electronic packaging component that has microprocessor, as mentioned above.
As shown in Figure 8, the Wing Newsletter network can be by mode and other the seat lockout controller communication identical with seat lockout controller 45.
Use this monitoring and control system, can be to central location, aircraft cockpit for example, inform fully about in the current state of seat and the aircraft whether each seat all be in be suitable for sliding, take off, landing or boisterous tram.
With reference to second embodiment of figure 9 to 14, locking assembly 52 be used for locking or the aircraft of unblanking in overhead bin.With particular reference to Figure 13 and 14, locking assembly 52 has locking bolt 54, and this locking bolt has latch well, i.e. groove 50 around its girth.Groove 50 is equivalent to the groove 12 among first embodiment, will be not described further at this.
Locking body 58 has and is used to hold the hole 56 (Figure 14) that locks bolt 54.When the correct patchhole 56 of locking bolt 54, tooth or other locking device similar fashion engaging groove 50 to have discussed.
The unlocking device (not shown) is included in the locking body 8, and this unlocking device comprises that being suitable for the material that shrinks when being subjected to exciting is disengaged with hole 56 so that allow.
As being seen from Figure 13 and 14, locking assembly 52 also comprises the locking pillar that is positioned at piston 66 inside or axle 60, wherein lock bolt 54 can towards with slide away from hole 56.
As seen in Fig. 9 to 11, in the aircraft hang that storage unit 62 has can be around pivoting point 70 pivotally supported storage boxes 68.Door 64 forms the part of storage box 68.
Replace being used in the prior art breech lock of door 64 passes to bulkhead 72 hung storage unit 62 and comprised locking assembly 52.Locking assembly 52 is recessed in the bulkhead 72 and at one end is fixed to bulkhead 72 and is fixed to storage box 68 at the other end.
When locking assembly 52 was in locked position, shown in Fig. 9 and 11, locking bolt 54 firmly was held in place in the hole 56 in locking body 58, as shown in figure 13.When locking assembly 52 was in lockset position of coupler, locking bolt 54 56 was disengaged and door 64 is opened from the hole, shown in Figure 10 and 12.This also is reflected among Figure 14.
As can be especially seen in Figure 11 and 12, locking assembly 52 pivotally is attached to storage box 68 at 74 places.Figure 13 has shown that the axle on the locking assembly 52 that is used for this purposes connects pivot 76.
As being seen from Figure 13, axle 60 and piston 66 are packed in the cylinder sleeve 78, and axle 60 and piston 66 can slide therein.Sleeve end plug 80 is in the end that connects sealing cylinder sleeve 78 in pivot 76 places near axle.The head of piston 66 also comprises Sealing.By this way, cylinder sleeve 78 excludes dust chip etc., so that piston 66 and axle 60 are in the to-and-fro motion in the clear of cylinder sleeve 78 inside.
Locking assembly 52 also comprises the pneumatic filter 84 of outlet 82 of gas equalizer and sintering.The speed that gas limiting valve 86 restriction gases (for example air) are overflowed from cylinder sleeve 78.
Locking assembly 52 is fastened to bulkhead 72 by the installation pivot 88 on the main fitting seat 89.
When storage unit 62 was opened, lock shaft 60 was carried out the pneumatic buffer motion by piston 66.The speed of overflowing by limit air produces resistance.Usually, air will be overflowed via gas outlet 82.
Slide away from hole 56 to allow locking bolt 54 in order to open storage unit 62 from locked position, excite the locking device that the material (not shown) that is suitable for when being subjected to exciting shrinking discharges in the locking body 58.
When storage unit 62 is closed, because locked position is default conditions, so the resistance minimum.
The remote control of locking assembly 52 starts the electronic packaging component and the processor (not shown) that are embedded in the locking assembly 52 by use and realizes.Cable 90 is connected to suitable power supply with locking assembly 52 (via cable outlet packing ring 92).With regard to aircraft, cable 90 will receive the power from aircraft power supply.The combination of electronic packaging component and processor allows locking assembly 52 to receive remote control command and makes response according to this instruction.
Under the situation of power failure, locking assembly 52 is equipped with the manual override device plunger 94 that forms manual release mechanism 96 parts.For security consideration, can operate manual release plunger 94 the user and must at first remove manual release overcover 98 (in alternate embodiment, can omit manual release overcover 98) before discharging the locking device of locking in the body 58.In case like this, locking assembly 52 will be tried one's best easily and be discharged when remote control starts.
The 3rd embodiment among Figure 15 to 20 defines locking assembly 100.But this embodiment's example explanation can be provided with the undersized example of locking assembly of the present invention.For example, the locking bolt among Figure 16 can have the diameter of 10mm, and locking bolt and be approximately 30mm in the length of the housing at its base portion place.The total height of locking assembly shown in Figure 15 is about 61mm.In Figure 17, every limit is approximately 36mm.Mounting among Figure 18 is 50mm on one side, and adjacent side is 52mm.
Figure 15 has shown the locking bolt 102 in the hole 104 of locking locking body 108.As seen in fig. 16, locking bolt 102 is arranged in locking bolt foamed material piston shoes 106.Figure 15 has shown locking anchoring position cone 110, and this location cone 110 has inclined inner surface, during this inclined inner surface is used for locking bolt 102 introduction holes 104 when locking bolt 102 close enough holes 104.For the size of aforesaid locking assembly 100, the location tolerance between locking bolt 102 and the hole 104 is positive and negative 2mm.Location cone 110 is designed to retrain lock bolt 102 and promote it and slips into correct location with hole 104.Foam piston shoes 106 are designed to launch in locked position, as seen in fig. 15.Foam piston shoes 106 provide the leakage-proof sealing being compressed between locking bolt 102 and the locking body 108 of locked position.
Visible in Figure 15 and 16 is around the housing 112 that locks bolt 102 base portions.Housing 112 has back plate 113.Being included in has top packing ring 114 (polytetrafluoroethylene or other suitable material), bottom slider disc 116 (also being polytetrafluoroethylene or other suitable material), thrust washer 118 (for example stainless) and a wave washer 120 in the housing 112.Wave washer 120 provides pressure pressing thrust washer 118 on bottom slider disc 116, is pressing the flange 122 that locks bolt 102 then and is pressing slider disc 116 then.This pressure provides friction to keep on locking bolt 102, it is held in place up to it is positioned cone 110 promotions " cunning " to reposition.
Figure 16 comprises that fastening piece 124 before inserting and wherein four show in place in Figure 17.
As shown in figure 18, keep seat 126 to have similar fasteners 128.
Figure 19 and 20 has shown must overcome Returnning spring 132 and the manual override device actuation cables 130 of work.In Figure 20, for diagram clear for the purpose of, removed back plate 134 (referring to Figure 15).
As seen in fig. 15, bonnet 136 is placed on the back of locking body 108, and spongy rubber 138 pads are between bonnet 136 and back plate 134.Circlip 140 is keeping manually substituting crust of the device 142.Fit sealing spare 144 is finished assembling.
Be to be understood that locking assembly of the present invention can be used to other purposes, for example be used for window or other closure member are fixed to the opening and closing position.
Foregoing description only relates to the preferred embodiments of the present invention, and provides to illustrate mode.Can under the situation that does not break away from essence of the present invention and scope, change, improve and change.
Specification and claim in full in, wording " comprises " and derivative means in use and included and non-exclusive implication, unless the other requirement of context.
Industrial applicibility
Locked component of the present invention is easy to be applied to require many fields of locking, particularly uses At aerospace industry, for example overhead bin of seat and container is used for locking and unblanking.
Claims (31)
1. locking assembly comprises:
The locking bolt has latch well;
The hole is used to hold this locking bolt;
Locking device is suitable for the latch well that engages this locking bolt when bolt is contained in this hole locking;
Unlocking device comprises that the material that is suitable for shrinking is disengaged from this latch well with permission when being subjected to exciting; With
Locking bolt guiding device is suitable for this locking bolt this hole of leading.
2. locking assembly as claimed in claim 1 is characterized in that, this latch well is the groove around this locking bolt.
3. locking assembly as claimed in claim 1 or 2 is characterized in that, this locking bolt comprises the portion of being tapered, and is suitable for allowing this locking bolt to be pushed into this hole and also engages therein.
4. as each described locking assembly in the claim 1 to 3, it is characterized in that, this locking bolt be suitable for by the locking pillar in piston towards with slide away from this hole.
5. locking assembly according to any one of claims 1 to 4 is characterized in that, this locking bolt guiding device is suitable for providing the sealing relationship with this locking bolt.
6. locking assembly as claimed in claim 5, it comprises the Sealing that is positioned on the locking bolt, is used for sealing with respect to the locking guiding device this locking bolt.
7. as each described locking assembly in the claim 1 to 6, it is characterized in that this locking bolt keeps being constrained to prevent that this locking bolt and this locking guiding device are disengaged by the locking guiding device.
8. as each described locking assembly in the claim 1 to 3, it is characterized in that this locking bolt guiding device forms and is suitable for this locking bolt is imported cone or inclined-plane in this hole.
9. as each described locking assembly in the claim 1 to 8, it comprises microprocessor.
10. locking assembly as claimed in claim 9 is characterized in that, this microprocessor is suitable for indicating one or more in following:
The temperature of the material that has situation and be suitable for when being subjected to exciting, shrinking of the locking of this locking assembly or unlocking condition, locking bolt.
11. locking assembly as claimed in claim 10, it comprises reed witch.
12., it is characterized in that the material that is suitable for shrinking is a shape memory alloy wire as each described locking assembly in the claim 1 to 11 when being subjected to exciting.
13. locking assembly as claimed in claim 12 is characterized in that, this shape memory alloy wire can excite by the resistance type heating.
14. locking assembly as claimed in claim 13, it comprises the wiring of presenting that is connected to locking assembly that is used to realize the resistance type heating.
15. locking assembly as claimed in claim 13, it comprises the remote control unit that is used to realize the resistance type heating.
16. locking assembly as claimed in claim 15 is characterized in that, this remote control unit is to be suitable for the hand-operated tools operated by the energy that is selected from microwave, electromagnetism, magnetic, sound wave, infrared rays and RF energy.
17. as each described locking assembly in the claim 12 to 16, it comprises the shape memory alloy wire more than.
18., it is characterized in that this locking device comprises that a plurality of teeth and the shape memory alloy wire that are centered on by rotatable shuttle are twining this shuttle as each described locking assembly in the claim 12 to 17.
19. locking assembly as claimed in claim 18 is characterized in that, this shape memory alloy wire at one end is attached to this shuttle and is attached to the non-rotating structure of this locking assembly at the other end.
20. locking assembly as claimed in claim 19, it comprises second shape memory alloy wire, and it at one end is connected to this shuttle and is connected to the non-rotating structure of this locking assembly at the other end.
21. as each described locking assembly in the claim 1 to 20, it is setovered towards locked position.
22. as each described locking assembly in the claim 1 to 21, it comprises the biasing arrangement that is used for being disengaged this locking bolt of back ejection.
23. as each described locking assembly in the claim 1 to 22, it comprises and is used for the device that senses environmental conditions changes.
24. locking assembly as claimed in claim 23 is characterized in that, this environmental conditions is a temperature.
25. as each described locking assembly in the claim 1 to 24, it comprise be used for this locking assembly of sensing the weighing transducer of the weight on the attached parts.
26. as each described locking assembly in the claim 1 to 25, it comprises the manual override device.
27. locking assembly as claimed in claim 26 is characterized in that, this manual override device is suitable for this locking device is moved to the position that this locking bolt is disengaged.
28., it is characterized in that this manual override device is by the location bias that is disengaged away from this locking bolt as claim 26 or 27 described locking assemblys.
29., it is characterized in that this manual override device comprises the Bowden cable as each described locking assembly in the claim 26 to 28.
30. as each described locking assembly in the claim 1 to 29, when it is attached to aircraft seat or aircraft storage box.
31. basically as the locking assemblys of describing at this Fig. 1 to 7 or 8 or 9 to 14 with reference to the accompanying drawings.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70861705P | 2005-08-16 | 2005-08-16 | |
| US60/708,617 | 2005-08-16 | ||
| US60/821,036 | 2006-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101268288A true CN101268288A (en) | 2008-09-17 |
Family
ID=39989817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200680034393 Pending CN101268288A (en) | 2005-08-16 | 2006-08-16 | Locking assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101268288A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743122A (en) * | 2015-03-23 | 2015-07-01 | 江苏美龙航空部件有限公司 | Pull-down type luggage box of airplane passenger cabin |
| CN110497749A (en) * | 2018-05-17 | 2019-11-26 | 约斯特-韦尔克德国有限公司 | Control lever shaft with no cross force can remote control bolt-trailer coupler |
| CN112027122A (en) * | 2020-09-16 | 2020-12-04 | 电子科技大学 | An SMA-based locking release device |
-
2006
- 2006-08-16 CN CN 200680034393 patent/CN101268288A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743122A (en) * | 2015-03-23 | 2015-07-01 | 江苏美龙航空部件有限公司 | Pull-down type luggage box of airplane passenger cabin |
| CN110497749A (en) * | 2018-05-17 | 2019-11-26 | 约斯特-韦尔克德国有限公司 | Control lever shaft with no cross force can remote control bolt-trailer coupler |
| CN110497749B (en) * | 2018-05-17 | 2023-05-16 | 约斯特-韦尔克德国有限公司 | Remotely operable hitch coupler with a transverse force-free steering shaft |
| CN112027122A (en) * | 2020-09-16 | 2020-12-04 | 电子科技大学 | An SMA-based locking release device |
| CN112027122B (en) * | 2020-09-16 | 2022-03-01 | 电子科技大学 | Locking release based on SMA |
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Open date: 20080917 |