DE102009031201A1 - Lock for closing a container - Google Patents

Abstract

The lock (1) has a closing part (5) with a receiving opening (8) for receiving a sub region of another closing part (6). A latch is moved back and forth by an electromechanical, motor-driven, operating device of the lock between locking position and unlocking position. The latter closing part has a rotatably supported roller (12) withdrawable from the former closing part by a latch opening in unlocking position. A latch wall comprises a latch wall guideway for unrolling the roller at the guideway in sections between the locking position and the unlocking position.

Description

The The present invention relates to a lock for closing a container in particular a container with at least one container body and at least one pivotable container lid, wherein the lock a first closing part and at least one second closure member and at least one latch and the first closing part at least one receiving opening For receiving at least a portion of the second closing part and the latch of an electromechanical, in particular motor-operated, actuator of the lock between at least one locking position, in the second closing part in the receiving opening of the first closing part is locked, and at least one unlocking position, in the the second closing part from the receiving opening of the first closing part is removable, in particular back and forth, is movable.

Show generic locks an electromechanical actuator for the bar on. The bolt is therefore not by hand but by the electromechanical or in particular motor-operated actuator between the locking position and the unlocking position, preferably back and forth, moved. Such locks be z. B. for closing of containers used in which records or data media o. The like. Are collected. These items can be relevant to security or confidentiality, so that They do not come back from anyone, but only at the fulfillment of certain Prerequisites open be allowed to. So can z. B. be provided that in the castle a predetermined Code must be entered or the lock only opens at certain times, etc .. Generic locks can in this sense also z. B. used for closing containers, in those environmentally hazardous Material o. The like. Is collected. Again, it may be of interest be that the lock will be opened only under certain conditions can.

The Practice shows that containers provided with such locks often be so crowded that only with great Power expenditure can still be closed. This brings problems then during automated opening of the castle, because here considerable forces due to the overpressure in the container act the lock, which complicate an automatic opening in generic locks or completely prevention. It should be remembered in particular that the generic locks due the electromechanical actuator of the bolt with an energy source, usually an electric Battery, must be provided. To these locks maintenance free over a longer To be able to operate the period should the energy needs of the electromechanical actuator to open the castle as possible be low.

Out these reasons it was the object underlying the present invention, generic locks to the effect to improve that they also with increased internal pressure in the container with only a small amount of energy by means of the electromechanical actuator open can be.

According to the invention this is achieved by the bolt at least one bolt wall and at least a latch opening and the second closing part at least having a rotatably mounted roller, wherein the roller in the unlocked position through the latch opening from the first closing part is removable and in the locked position of the bolt wall in the first closing part is locked and the bolt wall a bar wall guideway for unrolling the roller on the bolt wall guide track at least partially between the locking position and the unlocked position having.

According to the invention It is thus provided on the second closing part at least one rotatably mounted Roll to roll, which rolls on the bolt wall guide track of the bolt, when the latch is open of the lock from its locking position towards the Unlocked position is moved. As a result, if necessary, via the increased Internal pressure in the container at Lock or between the second closing part and the bolt resulting frictional forces significantly reduced. This causes the bolt even when appropriate high, acting on the castle forces still with little energy moved from the locking position to the unlocked position can be, what the energy consumption for this movement of the bolt is low and in the castle for the electromechanical actuator provided energy storage, especially electric batteries or accumulators, have a long life and therefore rare have to be replaced. The completeness It should be noted that the electromechanical actuator usually not only intended to open the lock, so the bolt from the locking position to the unlocked position but mostly we also used that lock too shut down, So the bolt from the unlocked position in the locked position to move. But this does not necessarily have to be the case. It can also be provided that the lock is closed by hand and the electromechanical actuator only for the opening process is provided.

For the sake of completeness, it depends Mention that the term "locked" the state is understood in which the second closing part can not be pulled out of the receiving opening of the first closing part, but is held in this by the bolt. The lock can thus not be opened in the locking position of the bolt. Furthermore, for the sake of completeness, it should be pointed out that, advantageously, the second closing part can not only be pulled out of the receiving opening or the locking opening in the unlocking position, but also in the unlocking position can be pushed into the receiving opening or locking opening.

In preferred embodiments of the invention is provided that the role between the locking position and the unlocked position on the bolt wall guideway is forced.

As a general rule spoken, but does not have the role in the locked position always on the bolt wall guideway issue. There may also be some play, so if there is no overpressure in the closed container the role does not always prevail on the bolt wall guideway is applied, but only comes to rest on this when the container lid by a corresponding internal pressure in the container or any other force is raised.

In The rule is provided in preferred embodiments that the bolt is movable in or within the first closing part) is stored. The bolt can thereby along a linear or curved guideway be movable back and forth. See particularly preferred embodiments However, before that the bolt is rotatable about a bolt axis in the first closing part is stored and preferably by the electromechanical actuator about the bolt axis, preferably back and forth, is rotatable. The bolt can be formed substantially disc-shaped in its basic form be. The rotatable mounting on a bolt axis has anyway the advantage that it is possible by this variant, the bolt on constructive simple way, z. B. over a corresponding pivot bearing, in particular ball bearings, so to store that too bigger on forces acting upon it not to a functional impairment lead the bolt.

preferred Embodiments of the invention provide that the locking wall guide track formed curved is. Preferably, this is a circular segment-shaped training. It but can also be deviated from the circular segment shape, z. B. when moving the latch from the unlocked position in the locked position not only close the lock but additionally even the container lid on the container wants to stretch.

In preferred embodiments of the invention comprises the electromechanical actuator one, preferably by means of an electric battery or accumulator operated, electric motor on to the latch between the locked position and the unlocking position, preferably back and forth to move or to turn. It can be provided that the electromechanical actuating device a worm gear, by means of which the electric motor acting on the latch. Other embodiments of the invention can but also provide that instead of an electric motor a corresponding electrically operable magnet or other in the prior art known electric drive used to move the bolt becomes.

at high internal pressure in the sealed container can at the point where the Role in the transition from bar wall to bar opening is, suddenly high forces act on the bolt, which suddenly the bolt in the direction unlocking position accelerate. This can lead to impairment or destruction of the in the sense of low energy consumption usually very weak dimensioned electromechanical actuator come. To avoid this, see particularly preferred embodiments before that between the bolt and the bolt moving electromechanical actuator a clutch is arranged and / or acts. It is convenient provided that the bolt by means of the coupling, preferably immediately before Reaching the unlocking position of the electromechanical actuator can be uncoupled. Under uncoupled while the state is understood in which the clutch is opened is, so the bolt is no longer with the electromechanical actuator is coupled, but can move relative to this, without that the electromechanical actuator simultaneously has to move. In the sense of the solution the above problem, see preferred embodiments before that the latch of the electromechanical actuator Uncoupling is when one of the roller on the latch in the direction the unlocking position force exceeds a force threshold, wherein it is preferably provided that the force threshold value is greater, than that of the electromagnetic actuator on the Bar applicable forces are.

Further Features and details of preferred variants of the invention result from the following description of an embodiment according to the invention. Show it:

1 a vertical section through a container equipped with a lock according to the invention;

2 a front view of the lock, wherein the second closing part is completely outside of the first closing part;

3 a view from the to 2 opposite direction;

4 a detail view of this embodiment, wherein the second closing part is locked in the receiving opening of the first closing part;

5 one too 4 similar representation, however, wherein the second closing part is pulled out of the receiving opening of the first closing part;

6 one too 3 corresponding view, but with the lid removed from the housing of the first closing part;

7 a locking position, wherein the housing of the first closing part is removed;

8th one too 7 corresponding representation, however, wherein the second closing part is located at the transition between a locking position in an unlocked position;

9 one too 7 analogue view, wherein the latch is in an unlocked position and

10 a detailed representation of essential components of the clutch.

1 shows a vertical section through a container 2 with a container body 3 and zealous tank lid 4 , which with a lock according to the invention 1 is closable. In the illustrated embodiment, the container lid 2 pivotable on the container body 3 arranged. This is just one example. Locks according to the invention can be very widely used for all kinds of containers known in the prior art but can also be used for other purposes. In the illustrated embodiment, in any case, the first closing part 5 on the container body 3 and the second closing part 6 on the container lid 4 arranged. A reverse arrangement is of course just as possible. The attachment of the second closing part 6 on the container lid 4 via a fastening device 15 , which in the embodiment shown an elastic suspension of the second closing part 6 represents and thus a movement of the second closing member relative to the container lid 4 and also to the first closing part 5 within certain limits. The second closing part 6 according to the invention has the rotatably mounted on him role 12 on. It's too close to the role 12 when closing the container lid 4 in the receiving opening 8th of the first closing part 5 insertable and lockable there. The first closing part 5 has a housing in the illustrated embodiment 29 on which the latch 7 essentially covers, so he in 1 not visible.

2 shows a view in which the second closing part 6 also from the first closing part 5 pulled out. In contrast to 1 is in 2 and also the subsequent representations of the exemplified container 2 not pictured anymore. In 2 is particularly well the elastically deformable fastening device 15 to see, with the second closing part elastic on the container 2 , so on the container body 3 or as in the example in 1 shown on the container lid 4 can be attached. In the concrete case, the fastening device 15 two leaf springs 16 on, between which the second closing part 6 is held. Of course, are also embodiments with only a leaf spring 16 or more than two leaf springs 16 or other elastically deformable embodiments conceivable. Alternatively, it is also conceivable that not the fastening device 15 but the second closure member itself is elastically deformable. The elastic suspension or training of the second closing part 6 In any case, this may result in deformation of the container due to excessive loading or other reasons 2 so compensate that despite this deformation ensures that the second closing part 6 in the receiving opening 8th inserted and pulled out of this and the lock securely locked and unlocked remains.

3 shows the same situation as in 2 but from the opposite side. In 4 is the second closing part 6 in the receiving opening 8th of the first closing part 5 in the locked position. The even better visible in the following figures bar wall 10 of the bolt 7 closes the receiving opening 8th doing so far that the second closing part 6 or his role 12 not from the receiving opening 8th can be pulled out. The second closing part 6 is thus in the first closing part 5 locked in the position shown. 5 is one too 4 similar representation. However, here is the second closing part 6 from the receiving opening 8th pulled out. 6 shows after removal of a cover of the housing 29 an insight into the first closing part 5 , It can be seen in this illustration, first of all in the embodiment shown at least approximately disc-shaped latch 7 , which on the bolt axis 14 rotatable in the housing 29 or in the first closing part 5 is stored. To the role 12 of the second closing part 6 to lock, the bolt indicates 7 in the embodiment shown, the circular segment-shaped locking wall 10 on. Seen in the direction of rotation next to this bar wall 10 is the bolt opening 11 through which the second closing part 6 or his role 12 is and executable. To turn the bolt 7 The embodiment shown, the electromechani cal actuator 9 on. Essential components of this electromechanical actuator 9 are in the embodiment shown, the electric motor 17 , which via the worm gear 18 and a translation gear 31 in a toothing 21 engages the latch 7 to turn. As explained in more detail below, this gearing is 21 in the embodiment shown not directly on the bolt 7 appropriate. It is rather intended that between the bolt 7 and the bar 7 moving electromechanical actuator 9 the coupling 19 is arranged or acts.

For the sake of completeness, it should also be pointed out that in the embodiment shown, the power supply for the electric motor 17 provided batteries in the through a battery compartment cover 32 covered battery compartment are stored. The arrangement shown is of course only one of many possible forms of realization.

For the sake of clarity, the housing is also shown in the figure which will now be described below 29 of the first closing part 5 omitted. 7 shows the bar 7 in the locking position, in which the bolt wall 11 the second closing part 6 and his role 12 locked so that the second closing part 6 not from the receiving opening no longer shown here 8th of the first closing part 6 can be pulled out. To get the bar from the in 7 shown locking position towards the in 9 To turn the unlocked position shown, the engine is 17 controlled accordingly. About the worm gear 18 and the engagement of the translation gear 31 into the gearing 21 , the bolt will 7 this about his bolt axis 14 turned. It rolls at least with appropriate internal pressure in the container, the role 12 of the second closing part 6 on the bolt wall guideway 13 the bolt wall 10 from. Is the latch opening 11 , as in 9 shown, in coincidence with the role 12 , the unlocked position is reached and the second closing part 6 can from the receiving opening 8th of the first closing part 5 be pulled out. By the inventive rolling of the second closing part 6 at the bar 7 Even with increased internal pressure in the container, the frictional forces to be overcome when moving the bolt so low that they are still without much energy from the relatively weak dimensioned electromechanical actuator 9 can be overcome. This causes even at elevated internal pressure in the container 4 no jamming of the lock 1 in the closed state is to be feared.

On the way from the in 7 shown locking position towards the in 9 shown unlocking is a in 8th reached shown intermediate position. In this is just the bar opening 11 pointing end of the bar wall 10 at the axis of rotation of the roll 12 past. At a corresponding internal pressure in the container, which tries the second closing part 6 from the first closing part 5 pull out in this situation on the bar 7 Acceleration forces which the bolt 7 independent of the electromechanical actuator 9 Continue to push in the direction of the unlocked position or accelerate. These forces can with appropriate internal pressure in the container or train on the second closing part 6 be significantly higher than that of the electromechanical actuator 9 applied and / or recorded. To prevent them from suddenly being on the latch 7 occurring acceleration forces to deterioration or destruction of the electromechanical actuator 9 can lead, in the illustrated embodiment of the invention is the coupling 19 provided, which between the electromechanical actuator 9 and the bar 7 acts. The coupling 19 make sure the latch 7 in the in 8th shown situation with corresponding tensile forces on the second closing part 6 before reaching the unlocked position of the electromechanical actuator 9 can be disconnected.

In the specific embodiment, the coupling 19 this is a relative to the bar 7 movably mounted coupling part 20 on, wherein the electromechanical actuator 9 here about the gearing 21 on the coupling part 20 attacks. In 8th is a window-like recess 33 in the coupling part 20 shown, which gives an insight into the interior of the clutch 19 allows. The window-like recess 33 is in the 7 and 9 illustrated accordingly, but does not exist in reality.

In the embodiment shown, the coupling part 20 around the bolt axis 14 rotatable in the first closing part 5 stored. In addition, the coupling part 20 also relative to the bar 7 rotatable, provided that by means of the spring 30 loaded contact element 22 this allows. This is always the case when the between the bolt 7 and the electromechanical actuator 9 acting forces by the spring constant of the spring 30 and the shape of the coupling guideway 23 dependent Release force of the coupling exceeds. The detailed structure of the realized in this embodiment coupling 19 can be particularly good on the basis of 10 be explained, since here the spring 30 , the contact element 22 and the clutch guideway 23 inside the coupling part 20 are particularly good to see. In the embodiment shown, the spring 30 and thus also the contact element 22 at the bar 7 attached. The spring-loaded contact element 22 engages in a coupling guideway 23 a, or is applied to this, which in the embodiment shown on the coupling part 20 is attached. Of course, the attachment of the spring-loaded contact element 20 and the clutch guideway 23 also vice versa on coupling part 20 and bars 7 consequences. In the embodiment shown, the coupling guideway 23 a first, here recessed, area 24 on. The coupling part 20 is with the latch 7 coupled when the contact element 22 in this first area 24 is arranged. This first section of the coupling guideway 23 becomes one of the first area 24 adjacent shoulder 25 the coupling guideway 23 limited. When the contact element 22 by appropriate, on the bar 7 acting forces in the second area 26 the coupling guideway 23 which is moved to that of the first area 24 opposite side of the shoulder 25 is arranged, is the bolt 7 from the coupling part 20 uncoupled. He then walks along the second area 26 the coupling guideway 23 , causing the latch 7 can be rotated without this, the coupling part 20 is rotated, causing the electromechanical actuator 9 from the bar 7 disconnected. The spring force of the spring 30 and the shape of the shoulder 25 be coordinated so that the clutch triggers at a Kraftschwellwert or decoupled, which ensures that there is no impairment or destruction of the electromechanical actuator 9 can come when the in 8th shown position of the roll 12 is reached.

Regarding the first area 24 the coupling guideway 23 It should be noted that this first area 24 a position 27 in which the contact element 22 is deflected by its maximum spring load. Between this position 27 and the shoulder 25 as well as on the side of the position facing away from the shoulder 27 are in the embodiment shown bevelled areas 28 , These beveled areas 28 effect together with the spring 30 and the contact element designed here as a roller 22 a certain damping effect of the clutch 19 when starting and stopping the electromechanical actuator 9 ,

If the clutch is triggered due to corresponding forces, then a re-engagement, so a method of the contact element 22 along the coupling guideway 23 back to the position 27 , by a corresponding rotation of the electromechanical actuator 9 respectively. Alternatively, it is also possible that with appropriate relief of the bolt 7 the contact element 22 automatically due to the spring loading of the spring 30 and the shape of the coupling guideway 23 back to the clutch position 27 retracts, with the bolt 7 and the coupling part 20 in the process come back to the state of the forced clutch in which they are together around the bolt axis 14 rotate.

In conclusion, be nor pointed out that locks according to the invention depending on the application with a variety of known in the prior art additional technologies combined or equipped can be. So it is z. B. conceivable that the lock an identification function has, with the over Transponder, input of access codes, etc. can be checked, whether to open the Castle can be admitted or not. It is also conceivable to provide the lock with an additional device which a Localization of the castle and thus the container z. B. via GPS or radio systems. Furthermore can z. B. in containers for food or medications also be a feature integrated in the lock, which records the temporal temperature profile. Alternatively or additionally are also vibration and / or inclination and / or moisture measuring conceivable, which integrates into the lock could be, if so for the usual Use of the container, in which the lock is integrated makes sense.

1

lock

2

container

3

container body

4

container lid

5

first closing part

6

second closing part

7

bars

8th

receiving opening

9

electronic actuator

10

wall bars

11

bolt opening

12

role

13

Riegel wall guideway

14

latch axis

15

fastening device

16

leaf spring

17

electric motor

18

worm gear

19

clutch

20

coupling part

21

gearing

22

contact element

23

Clutch guideway

24

first Area

25

shoulder

26

second Area

27

position

28

bevelled area

29

casing

30

feather

31

Übersetzungsszahnrad

32

Battery cover

33

window-like recess

Claims (15)

Lock ( 1 ) for closing a container ( 2 ), in particular a container ( 2 ) with at least one container body ( 3 ) and at least one pivotable container lid ( 4 ), whereby the lock ( 1 ) a first closing part ( 5 ) and at least a second closing part ( 6 ) and at least one bar ( 7 ) and the first closing part ( 5 ) at least one receiving opening ( 8th ) for receiving at least a portion of the second closing part ( 6 ) and the bolt ( 7 ) of an electromechanical, in particular motor-operated, actuating device ( 9 ) of the castle ( 1 ) between at least one locking position, in which the second closing part ( 6 ) in the receiving opening ( 8th ) of the first closing part ( 5 ) is locked, and at least one unlocked position in which the second closing part ( 6 ) from the receiving opening ( 8th ) of the first closing part ( 5 ) is extractable, in particular to and fro, is movable, characterized in that the bolt ( 7 ) at least one bartack wall ( 10 ) and at least one latch opening ( 11 ) and the second closing part ( 6 ) at least one rotatably mounted roller ( 12 ), wherein the roll ( 12 ) in the unlocked position through the bolt opening ( 11 ) from the first closing part ( 5 ) is removable and in the locking position of the bolt wall ( 10 ) in the first closing part ( 5 ) is locked and the bolt wall ( 10 ) a bolt wall guideway ( 13 ) for unrolling the roll ( 12 ) on the bolt wall guideway ( 13 ) Has at least partially between the locking position and the unlocked position. Lock ( 1 ) according to claim 1, characterized in that the roller ( 12 ) between the locking position and the unlocking position on the locking wall guide track (FIG. 13 ) is forced. Lock ( 1 ) according to claim 1 or 2, characterized in that the bolt ( 7 ) about a latch axis ( 14 ) rotatable in the first closing part ( 5 ) and preferably by the electromechanical actuator ( 9 ) about the bolt axis ( 14 ) is rotatable. Lock ( 1 ) according to one of claims 1 to 3, characterized in that the bolt wall guide track ( 13 ), preferably circular segment-shaped, is curved. Lock ( 1 ) according to one of claims 1 to 4, characterized in that the lock ( 1 ) an elastically deformable fastening device ( 15 ) for resiliently fastening the second closing part ( 6 ) on the container ( 2 ) and / or the second closing part ( 6 ) is formed elastically deformable. Lock ( 1 ) according to claim 5, characterized in that the elastically deformable fastening device ( 15 ) at least one, preferably at least two, leaf spring (s) ( 16 ) on which (or those) between which the second closing part ( 6 ) is held. Lock ( 1 ) according to one of claims 1 to 6, characterized in that the electromechanical actuating device ( 9 ), preferably powered by a battery, electric motor ( 17 ), with which the bolt ( 7 ), preferably via a worm gear ( 18 ), between the locking position and the unlocking position, preferably back and forth, movable, preferably rotatable, is. Lock ( 1 ) according to one of claims 1 to 7, characterized in that between the bolt ( 7 ) and the bolt ( 7 ) moving electromechanical actuator ( 9 ) a coupling ( 19 ) is arranged and / or acts. Lock ( 1 ) according to claim 8, characterized in that the bolt ( 7 ) by means of the coupling ( 19 ), preferably immediately before reaching the unlocked position of the electromechanical actuator ( 9 ) can be uncoupled. Lock ( 1 ) according to claim 9, characterized in that the bolt ( 7 ) of the electromechanical actuator ( 9 ) is uncoupled when one of the roll ( 12 ) on the bar ( 7 ) force acting in the direction of the unlocking position exceeds a force threshold, wherein it is preferably provided that the force threshold value is greater than that of the electromagnetic actuator ( 9 ) on the bar ( 7 ) are maximum applied forces. Lock ( 1 ) according to one of claims 8 to 10, characterized in that the coupling ( 19 ) a relative to the bolt ( 7 ) movably mounted coupling part ( 20 ), wherein the electromechanical actuating device ( 9 ), preferably exclusively and / or via a toothing ( 21 ), on the coupling part ( 20 ) attacks. Lock ( 1 ) according to claim 3 and 11, characterized in that the coupling part ( 20 ) about the bolt axis ( 14 ) rotatable in the first closing part ( 5 ) is stored. Lock ( 1 ) according to claim 11 or 12, characterized in that on one of the parts selected from a group consisting of the coupling part ( 20 ) and the bolt ( 7 ) is formed, a spring-loaded contact element ( 22 ) which is mounted in a coupling guideway ( 23 ) engages or abuts against this, wherein the coupling guide track ( 23 ) on the other of the parts selected from the group consisting of the coupling part ( 20 ) and the bolt ( 7 ) is attached. Lock ( 1 ) according to claim 13, characterized in that the coupling guide track ( 23 ) a first, preferably recessed, area ( 24 ), wherein the coupling part ( 22 ) with the bolt ( 7 ) is positively coupled when the contact element ( 22 ) in the first area ( 24 ) is arranged, and the coupling guide track ( 23 ) one to the first area ( 24 ) adjacent shoulder ( 25 ), wherein the bolt ( 7 ) of the coupling part ( 20 ) is uncoupled when the contact element ( 22 ) in a second area ( 26 ) the coupling guideway ( 23 ) arranged on the first area ( 24 ) facing away from the shoulder ( 25 ) is arranged. Lock ( 1 ) according to claim 14, characterized in that the first area ( 24 ) the coupling guideway ( 23 ) between a position ( 27 ), in which the contact element ( 22 ) is maximally deflected by its spring load, and the shoulder ( 25 ) as well as on the shoulder ( 25 ) facing away from the position ( 27 ) bevelled areas ( 28 ) having.