WO2015065944A1 - Barillet de serrure électromécanique - Google Patents

Barillet de serrure électromécanique Download PDF

Info

Publication number
WO2015065944A1
WO2015065944A1 PCT/US2014/062528 US2014062528W WO2015065944A1 WO 2015065944 A1 WO2015065944 A1 WO 2015065944A1 US 2014062528 W US2014062528 W US 2014062528W WO 2015065944 A1 WO2015065944 A1 WO 2015065944A1
Authority
WO
WIPO (PCT)
Prior art keywords
shell
lock assembly
plug
electrical
driver
Prior art date
Application number
PCT/US2014/062528
Other languages
English (en)
Inventor
Jiju Johnson
Original Assignee
Waterloo Industries, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Waterloo Industries, Inc. filed Critical Waterloo Industries, Inc.
Publication of WO2015065944A1 publication Critical patent/WO2015065944A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers
    • E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
    • E05B27/08—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially
    • E05B27/083—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially of the split-pin tumbler type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions

Definitions

  • Conventional locking mechanisms such as, for example, locks for cabinet doors and drawers, often employ a mechanical latch that lockingly engages a catch to secure a structure (e.g., a door or a drawer) in a locked condition.
  • a lock interface e.g., a key cylinder lock or combination lock
  • the use of conventional mechanical lock interfaces results in inconveniences or security risks for the user, such as, for example, when access to the locked structure must be extended, restricted or otherwise changed.
  • loss of a key may present a security risk and may result in the need to re- key or replace the lock.
  • a change in the individuals authorized to access the locked structure may require physically re-coding the combination or replacing the lock, and an unauthorized user may surreptitiously discover the combination code.
  • a lock assembly includes a key cylinder lock and an electrically operable locking mechanism.
  • the key cylinder lock includes a shell and a plug rotationally coupled with the shell in a locked condition and rotatable within the shell between first and second rotational positions in an unlocked condition upon insertion of an authorized key into a keyway in the plug.
  • the electrically operable locking mechanism includes a power transfer member rotationally coupled with the shell, and an electrical driver connected with the power transfer member and electrically operable to rotate the power transfer member in response to receipt of an electrical authorizing signal, for rotation of the shell and plug between the first and second rotational positions when the key cylinder lock is in the locked condition.
  • a lock assembly includes a key cylinder lock and an electrically operable locking mechanism.
  • the key cylinder lock includes a shell and a plug rotationally coupled with the shell in a locked condition and rotatable within the shell between first and second rotational positions in an unlocked condition upon insertion of an authorized key into a keyway in the plug.
  • the electrically operable locking mechanism includes a blocking member and an electrical driver connected with the blocking member and electrically operable to move the blocking member from a first position blocking rotation of the shell to a second position permitting rotation of the shell in response to receipt of an electrical authorizing signal.
  • Figure 1 illustrates a schematic view of a lock assembly, in accordance with an exemplary embodiment
  • Figure 2 illustrates a front perspective view of a lock assembly, in accordance with another exemplary embodiment
  • Figure 3 illustrates a rear perspective view of the lock assembly of Figure 2;
  • Figure 4 illustrates an exploded perspective view of the key cylinder lock assembly of the lock assembly of Figure 2;
  • Figure 5 illustrates a cross-sectional side view of the key cylinder lock assembly of the lock assembly of Figure 2;
  • Figure 6 illustrates a schematic view of a lock assembly, in accordance with another exemplary embodiment
  • Figure 7 illustrates a partial front perspective view of a cabinet, in accordance with an exemplary embodiment, shown with the top external panel removed to illustrate additional features of the cabinet;
  • Figure 7A is an enlarged front perspective view of the latch mechanism of the cabinet of Figure 7;
  • Figure 8 illustrates a partial rear perspective view of the cabinet of Figure 7, shown with the top and rear external panels removed to illustrate additional features of the cabinet;
  • Figure 8A is an enlarged rear perspective view of the latch mechanism of the cabinet of Figure 7;
  • Figure 9 illustrates a front perspective view of the electromechanical locking module of the cabinet of Figure 7.
  • Figure 10 illustrates a rear perspective view of the electromechanical locking module of the cabinet of Figure 7.
  • tubular or axial lock cylinders having axially displaceable locking pins the inventive features may be used with many different types of mechanically operable lock cylinders, including, for example, wafer-type lock cylinders, radially displaceable tumbler pin-type lock cylinders, or other lock cylinders having a central plug or shaft disengageable from an outer cylinder or shell by insertion of a key into the central plug.
  • a key cylinder lock assembly having a central plug or shaft disengageable from an outer shell by insertion of a key into the central plug may be provided with an electrically operable arrangement operatively connected with the shell.
  • an electrical authorizing signal e.g., in response to a keypad entry, magnetic key card swipe, electromagnetic signal transmission, or biometric scan
  • a driver e.g., a motor, solenoid, or other such component
  • the electrically operable arrangement blocks rotation of the shell, for example, by attempted rotation of an improper key inserted in the plug.
  • electrically operable mechanisms including, for example, electric actuators, electrical switches, motors (linear or screw drive), shape memory alloy devices (e.g., a device using MUSCLE WIRES® or NANOMUSCLE® shape memory alloys), or solenoids (linear or rotary).
  • the electrical signal may be supplied, for example, by an electronic keypad, biometric sensor, magnetic key card reader, wireless receiver or transceiver, or other such electronic lock interface connected with the electrically operable mechanism and configured to deliver the electrical signal in response to the receipt of an electrical authorizing signal.
  • an electrical authorizing signal may be supplied automatically (i.e., without input from an authorized user) in response to a pre-identified condition, such as, for example, a time setting, an emergency alert signal, or proximity to a wireless signal transmitting device.
  • FIG. 1 schematically illustrates an exemplary lock assembly 10 including a key cylinder lock 20 having a shell 22 and a plug 24 rotatable within the shell upon insertion of an authorized key K into a keyway 24a in the plug 24.
  • the plug 24 is rotationally coupled with an actuator 27 that is operatively connected to a latching mechanism (e.g. a bolt, latch or other component) for movement of the latching mechanism between latching and releasing positions in response to rotation of the actuator 27.
  • a latching mechanism e.g. a bolt, latch or other component
  • the lock assembly 10 further includes an electrically operable locking mechanism 40 having a power transfer member 42 (e.g., a gear, cam or other such component) rotationally coupled with the shell 22, and an electrical driver 45 connected (directly or indirectly) with the power transfer member and electrically operable to rotate the power transfer member 42 in response to receipt of an electrical authorizing signal (for example, from an electronic interface 49 assembled with the lock assembly).
  • a power transfer member 42 e.g., a gear, cam or other such component
  • an electrical driver 45 connected (directly or indirectly) with the power transfer member and electrically operable to rotate the power transfer member 42 in response to receipt of an electrical authorizing signal (for example, from an electronic interface 49 assembled with the lock assembly).
  • driver rotation of the power transfer member 42 rotates the shell 22, plug 24, and actuator 27 between first and second rotational positions to effect operation of the latching mechanism.
  • FIG. 1 A block diagram illustrating an exemplary lock assembly 100 including an electrically operable locking mechanism 140 having an electric rotary motor 145 that is powered to rotate a power transfer gear 142 rotationally coupled with a lock cylinder shell 122 (e.g., by flatted shell hub and gear hole, as shown) of a key cylinder lock 120 in response to receipt of an electrical authorizing signal.
  • the exemplary motor 145 includes an output shaft 141a secured with a worm 141 rotatabie to drive a worm gear 143.
  • the worm gear 143 is rotationally fixed to a pinion gear 144 (by a shaft 143a on which the worm gear and pinion gear are mounted), which is rotatabie to drive a first idler gear 146.
  • the first idler gear 146 is rotationally fixed to a second, smaller idler gear 147 (by a shaft 146a on which the first and second idler gears are mounted), which is rotatabie to drive the power transfer gear 142.
  • the motor 145 rotates the power transfer gear 142 to rotate the shell 122, plug 124, and tail piece 127 between a first rotational (e.g., latching) position and a second rotational (e.g., releasing) position.
  • the exemplary tail piece 127 is secured to the plug 124 by a cotter pin 136, and includes a keyed bore 127a or other suitable couple feature to connect the tail piece to a portion of a latching mechanism (e.g., a rotatabie lock rod), such that rotation of the tail piece effects operation of the latching mechanism.
  • a latching mechanism e.g., a rotatabie lock rod
  • the motor 145 may, but need not, be a bi-directional motor operable to rotate in a first (e.g., clockwise) direction to rotate the shell 122, plug 124, and tail piece 127 from the first rotational position to the second rotational position, and to rotate in a second (e.g., counterclockwise) direction to rotate the shell 122, plug 124, and tail piece 127 from the second rotational position to the first rotational position.
  • the lock assembly 100 may be provided with an internal printed circuit board (PCB) 150 having a motor control circuit configured to evaluate authorization data signals from an electronic interface (e.g., keypad, card reader, wireless receiver or transceiver, biometric scanner, etc.) connected to a data port 152 on the PCB 150, and to supply an electric authorization signal to the motor 145 (via electrical wiring 151) in response to identifying an authorization data signal that corresponds to a stored access credential (either within the lock or in an access control system in communication with the lock).
  • the PCB 150 is connected with a power source (e.g., one or more batteries, not shown) to power the circuit.
  • the power source may be disposed within the lock assembly or external to the lock assembly.
  • a lock assembly may be provided with a PCB having one or more limit switches positioned to be activated by a cam portion rotationally fixed with respect to the tail piece.
  • a cam 128 is secured on the plug 124 by the tail piece 127, with the plug body 124b extending through a keyed hole 128a (see Figure 4) that prevents rotation of the cam 128 with respect to the plug 124 and tail piece 127.
  • the cam 128 may be positioned on the plug 124 by a spacer 125 and spring 126, which axially biases the shell 122 and plug 124 toward the front housing member 121 (e.g., to take up any axial gap created due to the dimensional tolerances of components).
  • the cam 128 includes a first end portion 129a that activates a first limit switch 159a ( Figure 3) assembled with the PCB 150 when the tail piece 127 is in a first rotational position (e.g., a latching position) and a second end portion 129b that activates a second limit switch 1 9b assembled with the PCB 150 when the tail piece 127 is in a second rotational position (e.g., a releasing position).
  • the PCB 150 may be configured to cease transmission of the electric authorizing signal to the motor 145 upon activation of either or both of the limit switch 159a, 159b, to prevent over-rotation of the tail piece 127 by the motor 145 beyond either or both of the first and second rotational positions. Activation of the limit switches 159a, 159b may also initiate transmission of a position identifying electronic signal, for example, to a control panel or other user interface to provide a positive indication that tail piece is in one of the first and second rotational positions.
  • the key cylinder lock 120 includes a front housing member 121 assembled with a plug 124 to define a tubular keyway 121a for receiving a tubular shaped key (not shown), and a shell 122 secured to the plug by a retaining ring 135 (fitted into a groove in the plug body 124b).
  • the plug 124 includes a central cylinder 123 secured to the plug body 124b by a retaining pin 123a.
  • the plug 124 and shell 122 include a series of pin-retaining bores 124a, 122a around a circumference.
  • the shell bores 122a partially retain tumbler pins 132 biased into the plug bores 124a by springs 131.
  • the plug bores 124a retain driver pins 134, which may be secured within the plug bores by an end wall of the housing member 121 , radially outward of the keyway 121a.
  • rotation of the plug 124 may be limited by prongs 121b extending from the housing member 121, which abut corresponding tabs 124c of the plug 124 to define first and second rotational limit positions of the plug.
  • a retaining ring 133 may be installed around the prongs 121b to axially retain the front housing 121 onto the key cylinder lock assembly 120, with the plug tabs 124c being captured between the retaining ring 133 and the rear face of the front housing 121.
  • an electrically operable locking mechanism may be configured to automatically rotate a key cylinder plug and shell, as described above, in another
  • the electrically operable mechanism may be configured to block movement of the key cylinder shell in a locked condition, and allow movement of the key cylinder shell and plug in an unlocked condition.
  • an exemplary lock assembly 10a includes an electrically operable mechanism 40a provided with a blocking member 48a that is positioned to obstruct movement of a key cylinder shell 22a when the electrically operable mechanism 40a is in the locked condition, and is moved to a position that permits movement of the actuator 27a when the electrically operable mechanism is in the unlocked condition.
  • a (direct or indirect) user applied rotational force on the key cylinder shell 22a causes the shell 22a, plug 24a, and actuator 27a to rotate to effect operation of a latching mechanism.
  • a (direct or indirect) user applied rotational force on the key cylinder shell 22a e.g., applied to a collar, dial, bezel or other such user graspable portion 23a on an exposed portion of the shell
  • the shell 22a, plug 24a, and actuator 27a causes the shell 22a, plug 24a, and actuator 27a to rotate to effect operation of a latching mechanism.
  • a lock assembly having a key cylinder lock and an electrically operable locking mechanism may be utilized in a variety of applications, including, for example, entry doors for buildings and vehicles, access doors for safes, cabinets and lockers, and locks for cabinet drawers, padlocks, and other assemblies.
  • an electromechanical lock assembly is assembled with a front panel of a drawer retaining tool cabinet, for assembly with a lock rod actuated locking mechanism assembled with the cabinet.
  • an electromechanical lock assembly may be provided in a subassembly or module that may be integrated into an existing cabinet having a lock rod actuated locking mechanism for securing or releasing one or more drawers.
  • An electromechanical locking module may be utilized with many different types of locking rod-actuated locking mechanism and may, for example, be adapted to replace a conventional mechanical key cylinder lock used with an existing locking rod-actuated locking mechanism.
  • a cabinet 200 having one or more drawers 270 assembled with an enclosure 205 includes an integrated electromechanical locking module 210 (see Figures 9 and 10) having a lock housing 21 1 enclosing an electromechanical lock assembly configured for mechanical key and electrical authorizing signal operation (such as, for example, one of the exemplary arrangements described above) of a locking rod-actuated latching mechanism 260.
  • a rear tail piece 227 extends from the locking module 210 and includes a keyed bore 227a that receives a forward end of a locking rod 261, for rotation of the locking rod 261 in response to mechanical or electrical actuation of the lock assembly.
  • the locking rod 261 is attached to a first end of a linking plate 262, with a second end of the linking plate being attached to an actuating rod 263.
  • the actuating rod is attached to a flanged end 265a of a latch bar 265, and is pivotable about a fastener 264 in response to rotation of the tail piece 227 to disengage the latch bar 265 from hook-shaped latches 267 extending from rear portions of the cabinet drawers 270, thereby releasing the drawers to permit opening.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un ensemble serrure, qui comprend un barillet de serrure et un mécanisme de verrouillage actionnable électriquement. Le barillet de serrure comprend un stator et un barillet accouplé de façon rotative au stator dans un état verrouillé et apte à tourner dans le stator entre des première et seconde positions de rotation dans un état déverrouillé lors de l'insertion d'une clé autorisée dans une entrée de clé dans le barillet. Le mécanisme de verrouillage actionnable électriquement comprend un élément de transfert d'énergie accouplé de façon rotative au stator, et un pilote électrique relié à l'élément de transfert d'énergie et actionnable électriquement pour faire tourner l'élément de transfert d'énergie en réponse à la réception d'un signal d'autorisation électrique, pour une rotation du stator et du barillet entre les première et seconde positions de rotation lorsque le barillet de serrure est dans l'état verrouillé.
PCT/US2014/062528 2013-10-28 2014-10-28 Barillet de serrure électromécanique WO2015065944A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361896212P 2013-10-28 2013-10-28
US61/896,212 2013-10-28

Publications (1)

Publication Number Publication Date
WO2015065944A1 true WO2015065944A1 (fr) 2015-05-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939167A (zh) * 2017-12-06 2018-04-20 南京物联传感技术有限公司 一种防技术开启的智能锁
CN108678561A (zh) * 2018-07-24 2018-10-19 成都嘿芝麻科技有限公司 防意外开启电子锁
CN109681040A (zh) * 2019-02-19 2019-04-26 浙江机电职业技术学院 智能门锁
WO2019153323A1 (fr) * 2018-02-12 2019-08-15 厦门美科安防科技有限公司 Verrou d'armoire de stockage électronique innovant
WO2019104102A3 (fr) * 2017-11-22 2020-04-02 Master Lock Company Llc Cadenas électronique à arceau caché à combinaisons et à barillet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745785A (en) * 1985-06-12 1988-05-24 Bauer Kaba Ag Manually or electrically driven lock
EP0676518A2 (fr) * 1994-03-08 1995-10-11 Mivzarit High-Tech Systems (1994) Ltd. Ensemble de verrouillage activable par moteur électrique et/ou par clef mécanique
US20070044523A1 (en) * 2005-08-26 2007-03-01 Videx, Inc. Lock
WO2012050429A1 (fr) * 2010-10-13 2012-04-19 Tan Chabau Kow Tan Poi Heong Dispositif de verrouillage
US8220299B2 (en) * 2007-07-11 2012-07-17 Gainsborough Hardware Industries Limited Lock assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745785A (en) * 1985-06-12 1988-05-24 Bauer Kaba Ag Manually or electrically driven lock
EP0676518A2 (fr) * 1994-03-08 1995-10-11 Mivzarit High-Tech Systems (1994) Ltd. Ensemble de verrouillage activable par moteur électrique et/ou par clef mécanique
US20070044523A1 (en) * 2005-08-26 2007-03-01 Videx, Inc. Lock
US8220299B2 (en) * 2007-07-11 2012-07-17 Gainsborough Hardware Industries Limited Lock assembly
WO2012050429A1 (fr) * 2010-10-13 2012-04-19 Tan Chabau Kow Tan Poi Heong Dispositif de verrouillage

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019104102A3 (fr) * 2017-11-22 2020-04-02 Master Lock Company Llc Cadenas électronique à arceau caché à combinaisons et à barillet
CN111527274A (zh) * 2017-11-22 2020-08-11 总锁有限责任公司 带有钥匙超控件的电子隐藏式钩环挂锁
US11454050B2 (en) 2017-11-22 2022-09-27 Master Lock Company Llc Electronic hidden shackle padlock with key override
CN107939167A (zh) * 2017-12-06 2018-04-20 南京物联传感技术有限公司 一种防技术开启的智能锁
CN107939167B (zh) * 2017-12-06 2022-12-23 南京物联传感技术有限公司 一种防技术开启的智能锁
WO2019153323A1 (fr) * 2018-02-12 2019-08-15 厦门美科安防科技有限公司 Verrou d'armoire de stockage électronique innovant
CN108678561A (zh) * 2018-07-24 2018-10-19 成都嘿芝麻科技有限公司 防意外开启电子锁
CN108678561B (zh) * 2018-07-24 2023-07-18 成都嘿芝麻科技有限公司 防意外开启电子锁
CN109681040A (zh) * 2019-02-19 2019-04-26 浙江机电职业技术学院 智能门锁

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