EP3812538B1 - Verriegelungsmechanismus - Google Patents
Verriegelungsmechanismus Download PDFInfo
- Publication number
- EP3812538B1 EP3812538B1 EP20203950.9A EP20203950A EP3812538B1 EP 3812538 B1 EP3812538 B1 EP 3812538B1 EP 20203950 A EP20203950 A EP 20203950A EP 3812538 B1 EP3812538 B1 EP 3812538B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking member
- lock mechanism
- lock
- bolt assembly
- lock body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims description 67
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0006—Devices for aligning wing and frame; Anti-rattling devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/12—Locks or fastenings with special structural characteristics with means carried by the bolt for interlocking with the keeper
- E05B63/121—Locks or fastenings with special structural characteristics with means carried by the bolt for interlocking with the keeper using balls or the like cooperating with notches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/46—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
- E05B2015/023—Keeper shape
- E05B2015/0235—Stud-like
Definitions
- This invention relates to a lock mechanism for use with two relatively moveable components, the lock mechanism being configured releasably to lock together those components against relative movement.
- This invention also relates to a commercial vehicle body provided with such a lock mechanism for locking a door which gives access to the body.
- a door may be hinged to a door frame and when moved to the closed position, the door is to be locked closed, but may be unlocked to allow opening again.
- a hinged door of a building there is a very large number of lock mechanisms able to fulfil this need.
- the lock mechanism may malfunction. For instance, the relationship between a shutter or roller door and the building my not be precisely defined. Also, a door may be subject to damage, which can change the relationship between the door and the frame.
- a known form of lock mechanism for locking together first and second relatively moveable components has a lock body for attaching to the first component and a bolt assembly for attaching to the second component so as to be opposed to the lock body as the two components come together.
- the bolt assembly carries at least one ball (but more usually two or three balls) which is moveable outwardly relative to an outer surface of the bolt assembly to project therefrom and the lock body defines an opening for receiving the bolt assembly, the opening having an internal groove for receiving the at least one ball of the bolt assembly when projecting therefrom.
- An operating pin is carried by the lock body and is received in a bore in the bolt assembly when the two components come together, so as to move the at least one ball radially outwardly into the groove in the lock body, thereby locking together the lock body and bolt assembly;
- lock assemblies are described for example in GB2513135 , GB2444933 and US6077011 .
- a problem with these assemblies is that the lock body mounted on the first component and the bolt assembly mounted on the second component must be accurately aligned when the two components are moving together, in order to allow locking to take place.
- a lock mechanism as described above for locking together first and second relatively moveable components is characterised in that:
- the lock mechanism of this invention is able to accommodate a degree of misalignment between the lock body and the bolt assembly as the two come together on relative movement between the two components, such as a door to an opening in a commercial vehicle body.
- This misalignment is accommodated by the locking member of the bolt assembly having limited degrees of freedom relative the component to which the bolt assembly is attached, whereby the locking member may still enter and lock to the lock body notwithstanding the misalignment.
- a component may be a so-called slam-door of a vehicle body, a roller shutter or other door arrangement.
- the lock mechanism of this invention is particularly useful for locking the door of a commercial vehicle body, which often is not constructed to have a high degree of rigidity. Additionally, the lock mechanism will allow unlocking despite that misalignment.
- the locking member is permitted to move both axially and transversely relative to its normal position, against the resilient bias acting on the locking member. Further, the locking member may be permitted to move angularly, or rock, relative to its normal position, against the resilient bias acting on the locking member.
- the locking member may taper from its mounting to the bolt assembly towards the free end of the locking member.
- the open end of the opening in the lock body may be is bevelled or flared, to facilitate the entry of the locking member as the two components come together.
- the operating pin may have a tapered profile at its free end to facilitate the entry of the operating pin into the bore in the locking member as the two components come together.
- the operating pin may be constrained to move solely axially, against the resilient bias acting thereon. That bias may be provided by a compression spring acting between the operating pin and the lock body.
- the operating mechanism is configured to move the operating pin axially away from the locking member to an extent sufficient to allow the at least one ball of the locking member to move radially inwardly.
- the operating mechanism may simply be mechanical, for example having a key lock appropriately connected to the operating pin.
- the operating mechanism is electrically-powered and drives the pin axially in the direction out of the bore in the locking member.
- the operating mechanism includes an electric motor driving a cam, and the cam engages a part of the operating pin so as to move the operating pin axially on driving the motor, to move the operating pin at least partially out of the locking member, so allowing the at least one ball to move out of the groove in the opening in the lock body.
- an electrical control should be provided for the motor, to allow the operation thereof when required to release the lock mechanism.
- a key-operable switch may be provided so that the lock mechanism may be unlocked solely by a person in possession of the appropriate key.
- the motor could be linked to a central locking arrangement for the vehicle, to be activated thereby.
- a further possibility is to provide a motor controller either connected to a vehicle electrical system or having a self-contained battery, the controller requiring the use of an electronic key, perhaps using a wireless radio-frequency or infra-red remote control or fob.
- Other possibilities include an RFID electronic key, a Bluetooth controller or even an app on a mobile phone. In all such cases it is preferred for the lock mechanism to reset a short time after being released, such that on a subsequent closing of the door, it will be locked in the closed position.
- this invention extends to a commercial vehicle body having an access opening and a door for closing that opening, in combination with a lock mechanism of this invention as described above, wherein the lock body is secured to the vehicle body at the opening and the bolt assembly is secured to the door in opposition to the lock body, so that the two come together on moving the door to close the opening.
- a lock mechanism comprising a lock body 10 and a bolt assembly 11.
- the lock body 10 adapted for attachment to a door frame (not shown) for example of a commercial vehicle body, the frame defining an opening to the body.
- the bolt assembly 11 is adapted for attachment to a door (not shown) of the commercial vehicle body, for closing the opening defined by the door frame. When closed, the lock mechanism co-operates with the lock body to lock the door in the closed position.
- the lock body comprises a housing 12 defining a through-bore 13 which, at its lower end (in the drawings) opens into a counter-bore 14 and at its upper end into a profiled opening 15 as will be described in detail below.
- a base plate 16 is bolted to the lower face of the housing 12 so as to close the counter-bore 14, a gasket 17 being fitted into a rebate in the lower face of the housing 12 and serving to seal the base plate to the housing.
- An operating pin 18 is a sliding fit within the through-bore 13, a conical compression spring 19 acting between the base plate 16 and a flange 20 provided on the pin 18 to bias the pin upwardly so that the flange 20 engages the inner end of the counter-bore 14.
- the upper end the operating pin 18 lies within the profiled opening 15 and has a frusto-conical form 21.
- the profiled opening 15 is generally tapered from its upper end towards the through-bore 13 and has a grove 22 extending circumferentially around the inner surface of the bore, part way between its ends, that grove being of part-circular cross sectional shape.
- a top plate 23 is bolted to the housing 12 at the upper end of the profiled opening 15, the top plate having a conical hole 24 aligned with the profiled opening 15.
- a support bracket 25 ( Figure 2 ) is attached to the base plate 16 and carries an electric servo motor 26 having an output shaft carrying a cam 27.
- the cam is disposed above the flange 20 of the operating pin 18 as shown in Figures 5A and 5B .
- the normal position of the operating pin is shown in Figure 5A with the flange thereof contacting the inner end of the counter-bore 14 (not shown in Figures 5A and 5B ) and the cam 27 is disposed above the flange 20 but does not act thereon.
- Driving the servo motor shaft through 90° turns the cam 27 to the position shown in Figure 5B , so moving operating pin 18 against the action of the spring 19, and moving the flange 20 away from the inner end of the counter-bore 14.
- the bolt assembly 11 comprises a mounting plate 29 provided with four holes 30 for attaching the plate to a door of a commercial vehicle body, or some other component with which the lock mechanism is to be used.
- the mounting plate 29 has a bore 31 having a larger diameter part 32 and a smaller diameter part 33, a rounded shoulder 34 being formed between the two parts.
- a locking member 36 is disposed in the bore 31, the locking member being a relatively loose fit in the smaller part 33 of the bore and having a flange 37 located in the larger part 32, the flange 37 being of a greater diameter than the smaller diameter part 33 so that the flange cannot pass therethrough.
- a compression spring 38 acts between a closing plate 39 for the larger diameter part 32 of the bore 31 and the blind end 40 of a bore formed in the locking member 36 whereby the flange 37 is urged into contact with the shoulder 34 between the two parts 33 and 34 of the bore 32.
- Figure 3 shows the installation of the lock mechanism as described above to a frame member 50 and door 51 of a commercial vehicle body, the door being hinged to the frame member at a remote location not shown in the drawings.
- Three bolts 52 extend through holes provided in the lock body to secure the body to the frame member 50 and four bolts 53 secure the mounting plate 29 of the bolt assembly to the door 51.
- a lip 54 of the door is compressed against a seal 55 provided on the frame member 50 and the locking member 36 is received in the profiled opening 15 of the lock base 10.
- the operating pin 18 is located in the hole 45 in the locking member 36 to drive the balls 44 into the groove 22 so locking together the two parts of the lock mechanism.
- FIGs 4A to 4C show the locking action when the lock body and the bolt assembly and are somewhat misaligned, as the two components come together.
- the initial position is shown in 4A, with the locking member 36 out of axial alignment with the through-bore 13 in the lock body 10 and the operating pin 18 is urged by the spring 19 to its uppermost position.
- the locking member 36 comes into engagement with the top plate 23
- the rounded profile of the locking member at its lower end 42 and the conical profile of the top plate 23 causes the locking member to cant over against the action of the compression spring 38, as shown in Figure 4B .
- the bevelled edge 46 at the entrance to the hole 45 is engaged by the conical form at the top of the operating pin 18 so allowing the pin to start entering the hole 45.
- Unlocking of the bolt assembly 11 from the lock body 10 is performed by the servo motor 26 turning the cam 27 from its normal position ( Figure 5A ) through 90 o to a further position where the cam drives the operating pin 18 against the action of the conical spring 19 ( Figure 5B ), so moving the upper end of the operating pin 18 away from the balls 44, as shown in Figure 4D .
- This allows the balls to move radially inwardly out of the grove 22 and so release the locking member from the lock body.
- the door may thus be opened, by hinging relative to the door frame.
- an electronic controller is provided for the servo motor 26 to supply the appropriate driving current for the motor when the lock mechanism is to be unlocked or is to be reset the after unlocking.
- a controller should be connected to the electrical system of the vehicle and requires the use of a security electronic key such as a RFID remote control or fob.
- the controller should be configured to respond solely to a signal from the remote control to release the lock mechanism, and also automatically to reset the lock mechanism to its original state a short time after being released. In this way, on a subsequent closing of the door, it will be locked in the closed position without further operator input.
- lock body and bolt assembly could be installed in any orientation, and not necessarily as illustrated.
- lock mechanism may find uses in many other circumstances, when a moveable component is to be locked to a fixed component or even to another moveable component, depending upon the application. For example, it could be used with a sliding door or shutter, again of a commercial vehicle body or some other construction.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Claims (14)
- Verriegelungsmechanismus zum Verriegeln einer ersten und einer zweiten relativ zueinander beweglichen Komponente (50 und 51) miteinander mit:- einem Verriegelungskörper (10) zum Anordnen an der ersten Komponente;- einer Bolzenanordnung (11) zum Anordnen an der zweiten Komponente, die, wenn die zwei Komponenten zusammenkommen, dem Verriegelungskörper gegenüberliegend ist, die Bolzenanordnung hat mindestens eine Kugel (44), die nach außen beweglich ist in Bezug auf eine äußere Oberfläche der Bolzenanordnung, um aus dieser herauszuragen;- einen durch den Verriegelungskörper definierten Hohlraum (15,31) zum Aufnehmen der Bolzenanordnung, der Hohlraum hat eine innenliegende Nut (22), um die mindestens eine Kugel der Bolzenanordnung aufzunehmen, wenn diese darüber hinausragt, und- einen Betätigungsstift (18) am Verriegelungskörper, der in einem Loch (45) in der Bolzenanordnung (11) aufgenommen wird, wenn die zwei Komponenten so zusammenkommen, dass die mindestens eine Kugel (44) radial nach außen bewegt wird in die Nut (22) des Verriegelungskörpers und dabei den Verriegelungskörper und die Bolzenanordnung miteinander verriegelt;dadurch gekennzeichnet, dass- die Bolzenanordnung (11) ein Verriegelungsglied (36) hat, das federnd in eine Grundposition vorgespannt (38), aber aus dieser Position gegen die Federspannung beweglich ist; das Verriegelungsglied (36) hat die mindestens eine Kugel (44), die relativ zur äußeren Oberfläche des Verriegelungsglieds beweglich ist, um daraus herauszuragen;- der Betätigungsstift (18) federnd in eine Grundposition vorgespannt, aber axial aus dieser beweglich ist, und- es einen Betätigungsmechanismus (26, 27, 20) gibt, um den Betätigungsstift (18) axial aus seiner Grundposition zu bewegen, zumindest teilweise aus dem Loch (43) im Verriegelungsglied (36), in dem er aufgenommen ist, wobei die mindestens eine Kugel (44) aus der Nut (22) im Verriegelungskörper (10) herausbewegt werden kann und damit den Verriegelungsmechanismus entriegelt.
- Verriegelungsmechanismus nach Anspruch 1, wobei das Verriegelungsglied (36) zumindest axial, transversal oder schräg beweglich ist in Bezug auf die beschriebene Grundposition und gegen die Federspannung (38), die auf das Verriegelungsglied wirkt.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei sich das Verriegelungsglied (36) zum freien Ende hin verjüngt.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei das Verriegelungsglied (36) mittels einer Druckfeder (38) vorgespannt ist, die zwischen dem Verriegelungsglied und der Bolzenanordnung wirkt.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei das offene Ende (24) des Hohlraums des Verriegelungskörpers angeschrägt oder aufgeweitet ist, um das Eintreten des Verriegelungsglieds (36) zu erleichtern, wenn die zwei Komponenten zusammenkommen.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei der Betätigungsstift (18) ein sich am freien Ende verjüngendes Profil (21) hat, um das Eintreten des Betätigungsstifts in das Loch des Verriegelungsglieds zu erleichtern, wenn die zwei Komponenten zusammenkommen.
- Verriegelungsmechanismus nach Anspruch 6, wobei der Betätigungsstift (18) nur axial beweglich gegen die auf ihn wirkende Federspannung (19) ist.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei der Betätigungsstift (18) mit einer Druckfeder vorgespannt ist, die zwischen dem Betätigungsstift und dem Verriegelungskörper wirkt.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei der Betätigungsmechanismus (26, 27) elektrisch betrieben ist und den Stift (18) axial in die Richtung aus dem Loch des Verriegelungsglieds (36) fährt, in ausreichendem Maße, dass die mindestens eine Kugel (44) des Verriegelungsglieds sich radial nach innen bewegen kann.
- Verriegelungsmechanismus nach Anspruch 9, wobei der Betätigungsmechanismus einen elektrischen Motor (26) hat, der eine Nocke (27) antreibt, wobei die Nocke in ein Teil (20) des Betätigungsstiftes (18) greift, um den Betätigungsstift durch das Antreiben des Motors axial zu bewegen.
- Verriegelungsmechanismus nach Anspruch 10, mit einer Steuerungsschaltung für den Motor (26) derart, dass ein Bediener den Motor bei Bedarf betätigen kann, um den Mechanismus durch axiales Herausziehen des Betätigungsstiftes zu entriegeln.
- Verriegelungsmechanismus nach Anspruch 11, wobei die Steuerungsschaltung für den Motor (26) so ausgebildet ist, dass der Verriegelungsmechanismus kurz nach dem Betätigen des Motors zum Entriegeln des Mechanismus zurückgesetzt wird.
- Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei zwei diametral gegenüberliegende Kugeln (44) in einer transversalen Bohrung (43) vorgesehen sind, die sich durch das Verriegelungsglied (36) erstreckt.
- Kommerzielle Fahrzeugkarosserie mit einer Zugangsöffnung und einer Tür zum Verschließen dieser Öffnung in Verbindung mit einem Verriegelungsmechanismus nach einem der vorhergehenden Ansprüche, wobei der Verriegelungskörper (10) an der Fahrzeugkarosserie an der Öffnung befestigt ist und die Bolzenanordnung (11) an der Tür, dem Verriegelungskörper gegenüberliegend, befestigt ist, so dass die Bolzenanordnung und der Verriegelungskörper zusammenkommen, wenn die Tür zum Verschließen der Öffnung bewegt wird.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB201915554A GB201915554D0 (en) | 2019-10-25 | 2019-10-25 | Lock mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3812538A1 EP3812538A1 (de) | 2021-04-28 |
EP3812538B1 true EP3812538B1 (de) | 2022-11-30 |
Family
ID=68769063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20203950.9A Active EP3812538B1 (de) | 2019-10-25 | 2020-10-26 | Verriegelungsmechanismus |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3812538B1 (de) |
GB (1) | GB201915554D0 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113389440B (zh) * | 2021-06-17 | 2022-04-19 | 张喜臣 | 一种锁具 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6077011A (en) | 1999-08-02 | 2000-06-20 | Walker; Philip Marvin | Push button panel fastener |
GB2444933A (en) | 2006-12-22 | 2008-06-25 | Lee Clarkson | Locking device with radially acting detent |
GB2513135A (en) * | 2013-04-16 | 2014-10-22 | Weston Body Hardware Ltd | A retention arrangement |
-
2019
- 2019-10-25 GB GB201915554A patent/GB201915554D0/en not_active Ceased
-
2020
- 2020-10-26 EP EP20203950.9A patent/EP3812538B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3812538A1 (de) | 2021-04-28 |
GB201915554D0 (en) | 2019-12-11 |
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