• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A locking device comprising a housing (10) having a base plate (12), a locking mechanism (20) including a locking bar (22) with an elongated element including a rack (24) extending in the longitudinal direction of the locking bar (22), the locking bar have an aperture (26), a blocking mechanism (30) including a blocking latch (32) connected to the housing (10), a drive mechanism (40) including an electrical motor (50) for displacing the locking bar (22) movable between an advanced position and a retracted position. The drive mechanism (40) having a pinion gear (42) and a cam (44) and being connected to an electrical motor (50), the cam (44) having an outer eccentric surface (48) being engageable with the blocking latch (32). The pinion gear engaging the rack (24) of the locking bar (22) allowing the locking bar (22) to be movable between an advanced position and a retracted position. Rotational movement of the cam will enable the blocking latch to be moved from a blocking position, where the blocking latch extends though the aperture in the locking bar hereby preventingdisplacement of the locking bar to and unblocking position where the blocking latch is moved out of engagement with the aperture in the locking bar.
    公开号:DK201770732A1
    申请号:DKP201770732
    申请日:2017-09-27
    公开日:2019-04-02
    发明作者:Petersen Eigil
    申请人:Birepo A/S；
    IPC主号:
    专利说明:

    A locking device
    Summary
    The invention relates to a locking device for preventing unauthorized entry into the trailer or container.
    Background
    To prevent the theft of cargo from inside the shipping container stored at protected or unprotected locations, mechanical locking devices, such as padlocks and the like are used on the exterior of the shipping container to prevent entry into the trailer or container.
    One example of locking device is disclosed in SE patent No. 530 499, where the entire locking bar with associated lock is arranged on the inner side of a door/gate with the purpose of safeguarding against unauthorised opening of the locking device.
    Another example of locking device is disclosed in DK 17802 B1, where the locking device comprises a housing having a base plate, a locking mechanism, a blocking mechanism and a drive mechanism. The locking mechanism includes a locking bar having an elongated element including a rack extending in the longitudinal direction of the locking bar. The blocking mechanism includes a locking latch connected to the housing. The drive mechanism is connected to an electrical motor for displacing the locking bar between and advanced position and a retracted position.
    One of the disadvantages of this locking device is that the movement of the locking latch requires an additional actuator for operating the locking latch; this adds further complexity to the locking device and increases the cost of the locking device.
    The general object of the present invention is to provide a locking device, which has a more robust configuration with less components and which furthermore is
    DK 2017 70732 A1 able to withstand the environment impact and the exposure accruing over time at the installation site.
    A further object of the present invention is to provide a locking device, which is configures to be retrofitted at various locations on the doors of the trailer or cargo container.
    The above need and object together with numerous other needs and objects will be evident from below detailed description, are according to a first aspect of the present invention obtained by a locking device having a drive mechanism having a pinion gear and a cam and being connected to an electrical motor, the cam having an outer eccentric surface being engageable with the blocking latch,
    - the drive mechanism has a pinion gear enganging said rack and a cam being connected to the electrical motor, the cam has an outer excentric surface being engageable with the blocking latch,
    - rotational movement of the cam moves the blocking latch from a blocking position, where the blocking latch is in engagement with the locking bar hereby preventing displacement of the locking bar to an unblocking position where the blocking latch is out of engagement with the locking bar.
    The locking device of the present invention prevents anyone to gain access to the interior of the container from opening the door by limiting access to a code or keypad. In this context, the locking device can advantageously be mounted on the interior of the container.
    By using an electrically actuated drive mechanism for displacing the locking bar it is ensured that it is not possible to apply a large force onto the locking bar with the purpose of deforming or destroying the locking latch on the lock, and hence enabling that the locking bar can subsequently be opened freely.
    By using a drive mechanism having a pinion gear and a cam with an outer excentric surface, movement of the cam will move the blocking latch from a blockDK 2017 70732 A1 ing position, where the blocking latch extends though the aperture in the locking bar hereby preventing displacement of the locking bar to and unbloking position where the blocking latch is moved out of engagement with the aperture in the locking bar. The pinion gear will engage the rack of the locking bar, hereby allowing the locking bar to be movable between an advanced position and a retracted position and the rotational
    A locking device according to the invention can be made even more tamperproof when the lock is electrically actuatable.
    Moreover, the locking device may advantageously comprise a control which is configured for supplying current to the lock and/or controlling it for actuation of the locking latch to move towards the locking position or the open position.
    In a further embodiment, said pinion gear has an arc-shaped groove formed on a first surface (F1) and being locate at a distance from the axis of rotation of the pinion gear, said groove forming an arc angle between 150-270 degree, andsaid cam has a central hole and a guide pin being offset from the central hole and oriented towards the first surface (F1) of the pinion gear.
    Through the use of a locking device having a pinion gear with an arc-shaped groove it is possible for the motor to displace the locking bar even further as the first guide pin is able to slide in the groove being provided in the pinion gear, hereby extending the displacement of the locking bar further in the displacement direction.
    In a addtional embodiment of the cam, the pinion gear having a groove formed on a first surface facing towards the cam and being located along the circumference at a distance from the rotational center, said groove forming an arc angle between 150-270 degree, the cam having a central hole and a guide pin hole being offset from the central hole, a guide pin having an elongated element is positioned in the guide pin hole of the cam.
    Through the use of a locking device having a pinion gear with an arc-shaped groove it is possible for the motor to displace the locking bar even further as the first guide pin is able to slide in the groove being provided in the pinion gear,
    DK 2017 70732 A1 hereby extending the displacement of the locking bar further in the displacement direction.
    In a further embodiment, the locking device further comprises a front cover connected to the base plate by using a screw like a shear screw with a breaking point. When the shear screw is tightened into position the hex naturally breaks away leaving a conical dome that cannot be removed.
    In a further embodiment according to the first aspect, the locking device further comprises first contact switch mounted on the base plate for providing a signal in the event that the front cover is disconnected from the housing. Through the use of a locking device having a first contact switch, it is possible to detect tampering with the locking device and send this information to an operator etc.
    In a further embodiment, the locking device further comprises a the second contact switch mounted on the base plate above the aperture in the locking bar and the second contact switch providing a signal when the blocking latch extends through the aperture in the locking bar. Through the use of a locking device having a second contact switch, it is possible to detect when the latch is blocking the motion of the locking bar.
    In a further embodiment, the locking device further comprises a control unit comprises a wireless receiver for receiving a wireless actuation signal for actuating the locking bar to move towards the locking position or the open position, respectively. Through the use of a locking device having a wireless receiver, it is possible to operate the locking device from a distance and thereby utilize a remote control of the locking bar between a locking position or an open position.
    In an embodiment according to a second aspect of the present invention, container such as a cargo container or trailer, comprising a locking device according to any of the claims 1-9 mounted by said base plate on the interior wall of the container for preventing anyone from gaining access to the interior of the container.
    DK 2017 70732 A1
    A flexible coupling is provided between the cam and the motor of the drive mechanism. The flexible coupling element prevents a metal to metal contact between the the cam and the out shaft of the motor.
    The flexible coupling element is a elastomer. Due to the complete flexibility and ductility of the elastomer ring, it compensates for parallel and angular displacements as well as to absorb longitudinal movements of the shafts.
    The door can be unlocked by entering the correct code on the keypad connected to the control unit for the locking device or by receiving a predetermined signal via wireless interface.
    Detailed description
    The invention will now be explained in more detail below by means of examples of embodiments with reference to the schematic drawing.
    Figure 1A shows a first and presently preferred embodiment of the locking device.
    Figure 1B shows a first and presently preferred embodiment of the locking device, where the front cover is removed from the housing.
    Figure 2A is a perspective view of the housing and the drive mechanism according to the present invention.
    Figure 2B shows a front view of the housing and the drive mechanism as shown in figure 2A without the contact switches, the power source and control unit.
    Figure 2C shows a rear view of the housing and the drive mechanism shown in figure 2A without the contact switches, the power source and control unit.
    Figures 3A-3C show the locking mechanism according to the present invention.
    DK 2017 70732 A1
    Figures 4A-4C show the drive mechanism according to the present invention.
    Figures 5A-5B show the cam in a perspective view and cross sectional view.
    Figures 5C-5D show the pinion gear in a perspective view.
    Figure 6A shows the locking device in a locked state according to the present invention.
    Figure 6B shows the locking device in a unlocked state according to the present invention.
    A preferred embodiment of the locking device for containers of the present invention, identified generally as 10 in the figures is configured to prevent unautherized acess to the interior of the container like a cargo container or trailer.
    Fig 1A shows the locking device 10 comprising a front cover 70 including a connected to the base plate 12 by using a screw like a shear screw with a breaking point being inserted into the screw hole 72. The screw is not depicted in the drawing.
    Fig 1B shows the locking device 10 where the front cover 70 is removed from the housing 11 and the locking device 10 comprises a housing 11 having a base plate 12 being connectable to the surface of the container, more specific on the interior wall surface of a container. The locking device 10 comprises a locking mechanism 20 having a locking bar 22, which is movable between an advanced position and a retracted position relative to a bracket 18, which retains the locking bar 22.
    Figure 2A shows the locking device 10 as shown in fig 1A and fig.1B but without the bracket 18 and the locking mechanism 20 including locking bar 22. The blocking mechnism 30 includes a blocking latch 32 pivotably connected to the housing 11 enabling the blocking latch 32 to be pivotable relative to the housing
    11. The housing comprises a mounting plate 14 and a base plate 12. A spring
    DK 2017 70732 A1 is in one end connected to the blocking latch 32 and in the other end connected to the mounting plate 14 and the spring 34 is provided for allowing the blocking latch 32 to return to it initial position.
    Figures 2B-2C show the housing comprising a mounting plate 14 and a base plate 12, where the mounting plate is raised relative to the base plate 12 through the use of spacer 16. By elevating the mounting plate 14 relevative to the base plate 12 it is possible for the motor 50 to be incorporated in between the mounting plate 14 and the base plate 12. A control unit 60 is electrically connected to the electrical motor 50 for switching the electrical motor 50 on and off.
    Figures 2B-2C show the drive mechanism (40) being connected to the electrical motor (50) for displacing the locking bar (22) movable between and advanced position and a retracted position.
    Figures 3A-3C show the locking mechanism 20 including a locking bar 22 having an elongated element including a rack 24 extending in the longitudinal direction of the locking bar 22 and the locking bar 22 furthermore has an aperture 26. The rack 24 is positioned inside the locking bar 22 and extends partly the length of the locking bar 22 . The rack 24 is fastend on the inner wall of the locking bar. The locking bar 22 has an elongated element with a first locking bar end 26 and a second locking bar end 27 forming an opening in the locking bar 22 for allowing the locking bar 22 to be mounted onto the mounting plate 14, the drive mechanism 40 includes a pinion gear and the blocking blocking mechanism (30) including a blocking latch 32 connected to the mounting plate 14. The aperture 25 provides access to the pinion gear 41 of the drive mechanism 40 and enables disconnecting or connecting the pinion gear 41.
    Figures 4A-5C show the drive mechanism 40 having a pinion gear 41 and a cam 44 connected to one another and being connectable to an electrical motor 50. The pinion gear 41 has a groove 43 formed on the side (f1) facing the cam and being located at a distance from the axis of rotation of said pinion gear. The arch-shaped groovethe groove 43 forming an arc angle of 260 degree. The
    DK 2017 70732 A1 cam 44 has a central cam hole 45 and a guide pin hole 47 being offset from the central cam hole 45. The guide pin 49 has an elongated element and is inserted into the guide pin hole 47 of the cam 44. The cam 44 has an outer excentric surface 48 being engageable with the blocking latch 32. A recess 481 is formed on the opposite circumference for allowing disengagement of the blocking lacth 32. The cam is a elongated cylindrical element having a first end and a second end. The outer excentric surface 48 and the recess 481 are formed on the first end surface. The cam has coupling means 440 formed on the surface of the second end.
    By using a pinion gear has a groove extending in the axial direction of the pinion gear it is possible for the motor to displace the locking bar even further as the first guide pin 49 is able to slide in the groove 43 provided in the pinion gear 41, this allows the pinion gear to rotate relative to the cam 44 hereby extending the displacement of the locking bar further in the displacement direction.
    Figure 6A shows the locking device in a locked state and figure 6B shows the locking device in a unlocked state according to the present invention. The drive mechanism 40 moves the locking bar 22 movable between an advanced position and a retracted position relative to said base plate 14. The drive mechanism 40 engages the rack (24) of the locking mechanism 20 and the blocking mechanism 30 is capable of blocking the locking bar in the advanced position as shown in figure 6A .
    In figures 6A-6B show the the drive mechanism 40 has a pinion gear 41 and a cam 44 being connected to one another and being connected to an electrical motor 50. The cam 44 has an outer excentric surface 48 which engages the blocking latch 32. The pinion gear 41 is configure to engage the rack 24 of the locking bar 22 allowing the locking bar 22 to be movable between an advanced position and a retracted position. The spring 34 is in one end connected to the blocking latch 32 and in the other end connected to the mounting plate 14 and the spring 34 is provided for allowing the blocking latch 32 to return to it initial position.
    DK 2017 70732 A1
    In Figure 6A, the rotational movement of the cam 44 will enable the blocking latch (32) to be moved to a blocking position, where the blocking latch extends though the aperture in the locking bar (22) hereby preventing displacement of the locking bar (22).
    In Figure 6B, the rotational movement of the cam 44 will enable the blocking latch 32 to be moved from a blocking position to a unblocking postion, where the blocking latch is pivoted, hereby rotating the blocking latch (32) out of engagement with the aperture in the locking bar 22.
    In figures 6A-6B, the locking device further comprises a first contact switch 62 mounted on the base plate for providing a signal in the event that the front cover is disconnected from the housing.The first contact switch 62 being connected to the control unit 60. Through the use of a locking device having a first contact switch, it is possible to detect tampering with the locking device and send this information to an operator etc.
    In figures 6A-6B, the locking device further comprises a the second contact switch 64 mounted on the base plate 12 above the aperture in the locking bar 22 and the second contact switch 64 providing a signal when the blocking latch 32 extends through the aperture in the locking bar 22. The second contact switch 64 being connected to the control unit 60.
    The power supply 80 is electrically connected with the electrical motor 50 for providing power to the electrical motor 50. The power supply 80 is a battery. A control unit 60 is electrically connected to the motor for switching the motor 50 on and off.
    In the preferred embodiment, the base plate 12, the mounting plate 14 and the locking bar 22 are made out of steel or other durable and strong material. The pinion gear 41 and the cam 44 can made from a steel material
    The source power 80 is provided for operating the electrical motor 50 , but instead of an electrical motor it is also within the scope of the present invention to
    DK 2017 70732 A1 use a pneumatic or hydraulic cylinder, the power source consists of a fluid tank such as the compressed air tank provided on the usual semi-trailer as part of its brake system. In a present preferred embodiment, the motor is an electrically driven actuator, the power source preferably consist of a low voltage (12 V) battery.
    Although the invention has been described above with reference to a number of specific and advantageous embodiment, it is understood that the present invention is by no means limited to the above disclosure of the above descibred ad10 vantgeous embodiments, as the features of the above embodiments may be combinded to provide additional embodiments. The additional embodiments are all construed to be part of the present invention. Furthermore, the present invention is to be understood compassed by any equivalent or similar structure as described above and also to be encompassed by the scope limited by the below claims defining the protective scope of the present patent application.
    DK 2017 70732 A1
    Reference numbers
    In the following is given a list of reference numbers that are used in the detailed description of the invention.
    locking device 10 housing 11 base plate 12 mounting plate 14 spacer 16 bracket 18 locking mechanism 20 locking bar 22 rack 24 aperture 25 first and second locking bar end 26 27 blocking mechanism 30 blocking latch 32 spring 34 drive mechanism 40 pinion gear 41 central pinion gear hole 42 groove 43 cam 44 central cam hole 45 guide pin hole 47 excentric outer surface 48 guide pin 49 electrical motor 50 control unit 60 first contact switch 62 second contact switch 64 front cover 70 screw hole 72 power source 80
    权利要求:
    Claims (10)
    [1] Claims
    1. A locking device (10) comprising a housing (11), a locking mechanism (20), a blocking mechnism (30) and a drive mechanism (40),
    - the housing (11) having a base plate (12),
    - the locking mechanism (20) including a locking bar (22) with a rack including a ttothed portion (24) extending in the longitudinal direction of the locking bar (22),
    - the blocking mechanism (30) including a spring based blocking latch (32) connected to the housing (11) and configured for engaging the locking bar by action of said spring,
    - the drive mechanism (40) being connected to an electrical motor (50) for displacing the locking bar (22) between an advanced position and a retracted position characterized in that,
    - the drive mechanism (40) having a pinion gear (42) enganging said rack (24) and a cam (44) and being connected to the electrical motor (50), the cam (44) having an outer excentric surface (48) being engageable with the blocking latch (32),
    - rotational movement of the cam (44) moves the blocking latch (32) from a blocking position, where the blocking latch is in engagement with the locking bar (22) hereby preventing displacement of the locking bar (22) to an unblocking position where the blocking latch (32) is out of engagement with the locking bar.
    [2] 2. A locking device according to claim 1 characterized in,
    - said pinion gear (41) having an arc-shaped groove formed on a first surface (F1) and being locate at a distance from the axis of rotation of the pinion gear, said groove forming an arc angle between 150-270 degree,
    - said cam (44) having a central hole and a guide pin (47) being offset from the central hole and oriented towards the first side (F1) of the pinion gear.
    DK 2017 70732 A1
    [3] 3. A locking device according to claim 2 characterized in,
    - said locking bar (22) includes an aperture (26) and
    - rotational movement of the cam moves the blocking latch from a blocking position, where the blocking latch extends though the aperture in the locking bar hereby preventing displacement of the locking bar to and unblocking position where the blocking latch is out of engagement with the aperture in the locking bar.
    [4] 4. A locking device according to any of the proceeding claims, characterized in, said electrical motor being connected to a power source (80) for supplying power to the electrical motor (50).
    [5] 5. A locking device according to any of the proceeding claims characterized in, further comprising a front cover (70) connected to the base plate (12) by using a screw like a shear screw with a breaking point.
    [6] 6. A locking device according to the proceeding claims characterized in, further comprising a first contact switch (62) mounted on the base plate for providing a signal in the event that the front cover (70) is disconnected from the housing (11).
    [7] 7. A locking device according to any of the proceeding claims characterized in, further comprising the second contact switch (64) being mounted on the base plate (12) above the aperture in the locking bar (22) and the second contact switch providing a signal when the blocking latch (32) extends through the aperture in the locking bar (22).
    [8] 8. A locking device according to any of the proceeding claims characterized in, further comprising a control unit (60) configured to control the operation of said electrical motor and to receive signals from the first contact switch during operation of the drive mechanism.
    DK 2017 70732 A1
    [9] 9. A locking device according to any of the proceeding claims characterized in, said locking device is configured to be mounted in a transportable closed space and the locking device comprises a GPS unit for registering the position of the transportable closed space.
    [10] 10. A container such as a cargo container or trailer, comprising a locking device according to any of the claims 1-9 mounted by said base plate on the interior wall of the container.
    类似技术:
    公开号 | 公开日 | 专利标题
    US9487971B2|2016-11-08|Electro-mechanical locks with bezel turning function
    US8938998B2|2015-01-27|Lock with magnetically actuated latch movement preventing member
    US6354121B1|2002-03-12|Mortise lockset with internal clutch
    US8904835B2|2014-12-09|Door handle assembly for a vehicle
    CA2529104C|2012-12-04|Electromechanical lock cylinder
    CN104968877A|2015-10-07|Improved rotary blocking device
    CN101379257B|2013-03-20|Lock component containing rotary stop device and anti-arbitrary-use mechanism
    US20060112746A1|2006-06-01|Electric lock device with manual redundancy
    US20060032418A1|2006-02-16|Manual override for use with an electric safe
    KR950001054A|1995-01-03|Remote controlled security devices
    US9650816B2|2017-05-16|Vehicle sliding door locking system and latch assembly
    KR20090036145A|2009-04-13|Lock mechanism
    US20140183881A1|2014-07-03|Locking device
    US8245549B2|2012-08-21|Tamperproof power tailgate lock
    EP2030827B1|2010-10-27|A Fuel Filler Closure Device for a Vehicle
    DK179703B1|2019-04-03|A locking device
    US5896769A|1999-04-27|Electrically operated actuator
    AU2011213556B2|2016-05-19|A remotely operable vehicle compartment lock
    US20180274268A1|2018-09-27|Actuation device for a motor vehicle lock
    WO2016116903A1|2016-07-28|Security system for goods carriage containers
    WO2005103422B1|2005-12-08|Lock mechanisms
    WO2009113022A1|2009-09-17|Lock
    CN102536004B|2014-11-19|Door bolt of car door for amusement equipment
    CN108952375A|2018-12-07|A kind of latch assembly for motor vehicles
    GB2261992A|1993-06-02|An anti-theft device for a motor vehicle
    同族专利:
    公开号 | 公开日
    DK179703B1|2019-04-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2019-04-02| PAT| Application published|Effective date: 20190328 |
    2019-04-03| PME| Patent granted|Effective date: 20190403 |
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201770732A|DK179703B1|2017-09-27|2017-09-27|A locking device|DKPA201770732A| DK179703B1|2017-09-27|2017-09-27|A locking device|
    [返回顶部]