EP3351711A1 - Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung - Google Patents

Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung Download PDF

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Publication number
EP3351711A1
EP3351711A1 EP17152821.9A EP17152821A EP3351711A1 EP 3351711 A1 EP3351711 A1 EP 3351711A1 EP 17152821 A EP17152821 A EP 17152821A EP 3351711 A1 EP3351711 A1 EP 3351711A1
Authority
EP
European Patent Office
Prior art keywords
spindle
handle
door
engaging
engaging device
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.)
Withdrawn
Application number
EP17152821.9A
Other languages
English (en)
French (fr)
Inventor
Lars Nilsson
Per Olofsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tunstall Nordic AB
Original Assignee
Tunstall Nordic AB
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 Tunstall Nordic AB filed Critical Tunstall Nordic AB
Priority to EP17152821.9A priority Critical patent/EP3351711A1/de
Publication of EP3351711A1 publication Critical patent/EP3351711A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/068—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle axially, i.e. with an axially disengaging coupling element
    • 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
    • E05B2047/0024—Cams

Definitions

  • the present invention relates to a door handle device. More specifically, the present invention relates to a door handle device for operating a latch of a door.
  • Such door handle devices comprise at least one spindle operated by handles, such as lever handles, or door knobs, connected to the spindle for operating a latch which is used to keep the door shut. When the handle is rotated, the spindle can be rotated to retract the latch inside the door allowing the door to be opened.
  • handles are commonly used for doors in different types of buildings, such as residential houses, commercial buildings and public buildings, for external doors as well as internal doors.
  • the present invention is also related to a door comprising such a handle device.
  • One such type of door handle device comprises an inner handle and an outer handle, wherein the inner handle is always operably connected to the latch while the outer handle only is operably connected to the latch by using an electronic key.
  • An object of the invention is to provide a door handle device for operating a latch of a door by means of first and second door handles, wherein the second door handle is selectively engageable with the latch and which door handle device results in an efficient and reliable operation for selectively engaging the second door handle with the latch.
  • the present invention relates to a door handle device for operating a latch of a door, comprising a first spindle and a second spindle, wherein the first spindle is arranged for connection to the latch and to a first handle for operation of the latch through rotation of the first handle, and wherein the second spindle is arranged for connection to a second handle, characterised in that the handle device comprises an axially displaceable engaging device being displaceable between a first position, in which the second spindle is rotationally disengaged from the first spindle, and a second position, in which the second spindle is rotationally engaged with the first spindle, so that the second spindle is selectively connectable to the first spindle for operation of the latch through rotation of the second handle.
  • the second spindle can be rotationally engaged with the first spindle for transferring rotational forces from the second spindle to the first spindle by means of the axially displaceable engaging device a simple and reliable door handle device is provided, which results in easy and effective engagement and disengagement of the second handle so as to selectively allow or prevent operation of the latch through the second handle.
  • the door handle device can easily and reliably be set between a first position, in which opening of the door by means of the second handle is prevented, and a second position, in which the door can be opened by means of the second handle.
  • the first spindle can be connected to the latch at all times, so that the door always can be opened by means of the first handle.
  • the first handle is an inner handle, arranged on an interior side of a door
  • the second handle can be an exterior handle, arranged on an exterior side of a door.
  • the structure of the door handle device allows the mechanism for engaging and disengaging the second handle to be arranged within a door leaf, so that tampering thereof is prevented and also makes it possible to hide that the door has a mechanism, e.g. corresponding to an electronic lock, for engaging and disengaging the second handle.
  • the door handle device can be arranged as a locking device for locking the door from one side, which locking device can be electronic and can be hidden within the door leaf.
  • the door handle device can comprise the first and second handles, and optionally also the latch.
  • the door handle device can be selectively set in the first and second positions by means of a motor, such as a conventional electric motor, solenoid or other electromechanical unit, which motor can be controlled by means of a conventional wireless electronic device, such as an electronic key, a smartphone, etc.
  • a motor such as a conventional electric motor, solenoid or other electromechanical unit
  • a conventional wireless electronic device such as an electronic key, a smartphone, etc.
  • the door handle device can easily be operated to allow opening of the door by means of the second handle or prevent opening of the door by means of the second handle.
  • the door handle device could also be set manually to engage and disengage the second door handle.
  • the engaging device can be arranged to be locked in the first position, e.g. by means of an actuator, to prevent axial displacement thereof towards the second position. Further, the engaging device can be spring biased towards the second position, wherein the displacement from the first position to the second position is provided by a spring when the engaging device is not locked in its first position but is allowed to be displaced to its second position.
  • a mechanical safety mechanism is provided, wherein no damage is incurred to any components of the door handle device even in a case where the engaging device cannot be displaced to engage the second spindle when operated by the motor to do so, e.g. due to the second spindle being rotationally offset in relation to the engaging device, such as when the second handle is pushed down while the motor is operated to displace the engaging device to the second position.
  • the engaging device can comprise a sleeve having an aperture for receiving a portion of at least one of the first and second spindles to form a rotationally engaged connection between them when the engaging device is in the second position.
  • said sleeve is displaceable so that said part of one or both of the spindles are fitted in the aperture when the engaging device is in its second position and so that said part of one or both of the spindles are released from the aperture when the engaging device is in its first position.
  • said part of one or both of the spindles and the aperture have a shape for rotational engagement, such as square shape. Consequently, a safe and reliable mechanical connection for transferring rotational power between the first and second spindles is provided when the engaging device is in its second position and a simple and effective mechanism for engaging and disengaging the second spindle from the first spindle is achieved.
  • At least one of the first and second spindles and the aperture of the sleeve can be arranged so that one or both of the spindles, in a default position of the second handle, are receivable in the aperture to form the rotationally engaged connection, wherein one or both of the spindles are prevented from being received in the aperture to form the rotationally engaged connection at least when the second spindle is rotationally offset from the first spindle.
  • the sleeve can be connected to a radial projection through at least one connection element extending along the first spindle.
  • the engaging device can comprise axially spaced apart components, such as the sleeve and the radial projection.
  • the connection element can be arranged in a groove in the first spindle. Hence, the connection element is recessed into the first spindle, wherein the first spindle can rotate to operate the latch in a conventional manner.
  • the connection element can be arranged in an axial hole in the spindle and protrude at specific positions to engage the sleeve and radial projection.
  • the radial projection can be arranged to slide along at least a slanted surface of an actuator to displace the engaging device in the axial direction, which actuator can be displaceable by means of the motor, solenoid or electromechanical unit.
  • the actuator can be displaceable in the radial direction, such as vertically, between a first position to lock the engaging device in its first position, and a second position to allow the engaging device to be displaced to its second position by means of the spring.
  • the engaging device e.g. the sleeve, connection element or the radial projection, can be controlled directly by the motor, solenoid or electromechanical unit, or be operated manually.
  • the present invention is also related to a door comprising the door handling device wherein the engaging device is arranged inside a door leaf of the door. Also, the actuator and motor or solenoid can be arranged within the door, such as within the door leaf, so that tampering of the engaging device is prevented. Also, it can be visually hidden that the door is provided with a door handle device according to the present invention.
  • a door handle device 10 for operating a latch 11 of a door is illustrated schematically.
  • the handle device 10 is arranged for operating the latch 11 of a conventional door, such as an external or internal door of a residential house, a residential apartment, a commercial building, a public building or similar.
  • a latch case 12 and the latch 11 are indicated transparently to illustrate components of the handle device 10 more clearly.
  • the latch 11 is a conventional latch, which is retractable into the latch case 12 to allow opening of the door.
  • the handle device 10 comprises a first handle 13 and a second handle 14.
  • the handles 13, 14 are adapted to be arranged on opposite sides of a door leaf (not illustrated).
  • the first handle 13 is an interior handle, wherein the second handle is an exterior handle.
  • the first handle 13 is an exterior handle, wherein the second handle is an interior handle.
  • the first and second handles 13, 14 are arranged on opposite sides of the latch case 12.
  • the first and second handles 13, 14 are rotatable at least between a predetermined first position and a predetermined second position.
  • the first and second handles 13, 14 are lever handles.
  • the first and second handles 13, 14 are door knobs.
  • the first handle 13 is connected to a first spindle 15 for rotating the spindle 15 by manual turning of the first handle 13.
  • the first spindle 13 has an axis of rotation extending in the longitudinal direction of the first spindle 13.
  • the first handle 13 is attached to the first spindle 15 in a conventional manner.
  • the first spindle 15 is connected to the latch 11, so that the latch 11 is retracted when the first handle 13 is rotated.
  • the first handle 13 is spring biased towards a default position in which the latch 11 is projecting from the edge portion of the door to keep the door closed.
  • the first spindle 15 is connected to the latch 11 in a conventional manner.
  • the first spindle 15 is formed for rotational engagement with the first handle 13.
  • the first spindle 15 has a square cross section.
  • the first spindle 13 has a cross sectional form for engaging a corresponding recess in the first handle 13, such as a polygonal, oval, star or half-circular shape or similar to be fitted in a corresponding shape of the recess in the first handle 13.
  • the first handle 13 comprises a recess for receiving an end portion of the first spindle 15 in a conventional manner.
  • the first spindle 15 is arranged with a recess for receiving a portion of the first handle 13 in a corresponding manner.
  • the first spindle 13 extends through the latch case 12.
  • the second handle 14 is connected to a second spindle 16 for rotating the second spindle 16 by manual turning of the second handle 14.
  • the second spindle 16 has an axis of rotation extending in the longitudinal direction of the second spindle 16.
  • the second spindle 16 is arranged coaxial with the first spindle 15.
  • the second handle 14 is attached to the second spindle 16 in a conventional manner, such as in a corresponding manner as the first handle 13 is attached to the first spindle 15.
  • the second handle 14 is, e.g. spring biased towards a default position, which default position, e.g. corresponds to a latched position, such as a horizontal position for a lever handle.
  • the door handle device 10 further comprises an axially displaceable engaging device 17.
  • the engaging device 17 is displaceable along an axial travel path between a first position and a second position, such as a first end position and a second end position. In Fig. 1 the engaging device 17 is in its first position.
  • the engaging device 17 is arranged to selectively provide a rotationally engaged connection with the second spindle 16 for transferring rotational power from the second spindle 16 to the engaging device 17, which is described more in detail below.
  • the engaging device 17 comprises a sleeve 18 having an aperture 19 corresponding to the shape of the second spindle 16 so as to be able to receive the second spindle 16 to form a rotationally engaged connection between them.
  • the engaging device 17 comprises a plate having a radial projection for engaging a corresponding groove in the second spindle so as to provide a connection for transferring rotational power between the second spindle 16 and the engaging device 17.
  • the sleeve 18 is enclosing an end portion of the first spindle 15. For example, the sleeve 18 is rotationally engaged with the first spindle 15 when the engaging device 17 is in its first position.
  • the sleeve 18 is rotationally disengaged from the first and second spindles 15, 16 when the engaging device 17 is in its first position.
  • the sleeve 18 is aligned with the first and second spindles 15, 16, wherein the sleeve 18 is arranged coaxial with the first and second spindles 15, 16.
  • the second spindle 16 is provided with the sleeve 18, wherein the engaging device 17 is arranged to be fitted into said sleeve when displaced to its second position.
  • the engaging device 17 also comprises a radial projection 20 connected to the sleeve 18 through a connection element 21.
  • the connection element 21 extends along the first spindle 15, such as in the axial direction.
  • the connecting element 21 is arranged in a longitudinal groove 22 in the first spindle 15.
  • the connecting element 21 is arranged in an internal channel inside the first spindle 16.
  • the connecting element 21 extends externally of the first spindle 17, optionally with a gap to it.
  • the connecting element 21 is formed as a rigid connection between the sleeve 18 and the radial projection 20, wherein a force in the axial direction applied to either of the sleeve 18 and the radial projection 20 is transferred to the other.
  • the connecting element 21 is formed as a bar, a wire or similar.
  • the engaging device 18 also comprises a spring 23 for biasing the engaging device 17 towards a predetermined default position, such as the second position, e.g. in the axial direction towards the second handle 14.
  • the handle device 10 comprises a motor (not illustrated), such as a conventional electric motor, solenoid or similar, for operating the engaging device 17 between its first and second positions.
  • the motor is connected to a control unit having wireless communication means for controlling the motor through a wireless electronic device, wherein the motor and hence the operation of the engaging device 17 is controlled wirelessly by means of the wireless electronic device.
  • the wireless electronic device includes a smartphone, a personal computer, an Ipad, an RFID tag or similar for controlling the motor wirelessly, such as through a wireless communications system.
  • the first handle 13 is connected to a first backplate 24, wherein the second handle 14 is connected to a second backplate 25, e.g. with return springs to keep the handles 13, 14 in a default position, such as horizontal position, when not operated.
  • the backplates 24, 25 are conventional backplates.
  • one of the backplates 24, 25, such as the first backplate 24, is provided with a battery compartment (not illustrated) for housing a battery for powering the motor and the control unit.
  • a separate electromechanical control unit including battery could also be attached to the door in between a conventional backplate 24 and the door leaf.
  • the handle device 10 comprises a displaceable actuator 26 for operating the engaging device 17, wherein movement of the actuator 26 provides the axial movement of the engaging device 17.
  • the actuator 26 is displaceable in the radial direction, perpendicular to the travel path of the engaging device 17, such as vertically, between a first position and a second position, such as first and second end positions.
  • the travel path of the actuator 26 is perpendicular to the travel path of the engaging device 17.
  • the actuator 26 comprises a side towards the first handle 13 having a slanted surface 27 for sliding engagement with the engagement device 17 to displace the engagement device 17 in the axial direction when the actuator 26 is displaced in the radial direction.
  • the slanted surface 27 is arranged between a first surface 28 and a second surface 29 of the actuator 26 defining the first and second positions of the engaging device 17.
  • the first and second surfaces 28, 29 extend in radial planes being axially displaced in relation to each other.
  • the radial projection 20 of the engaging device 17 is biased towards the side of the actuator 26 facing the first handle 13.
  • the radial projection 20 is biased axially towards the slanted surface 27 or one of the optional first or second surfaces 28, 29.
  • the radial projection 20 is engaging the side of the actuator 26 facing the first handle 13 and hence the slanted surface 27 or one of the optional first and second surfaces 28, 29.
  • the radial projection 20 is a follower following the shape of the side of the actuator 26 directed towards the first handle 13.
  • the actuator 26 is formed with a through aperture 30, through which the first spindle 15 extends.
  • the spindle 15 is rotatably arranged through the aperture 30.
  • the actuator 26 is connected to the motor through a gear rack 31.
  • the engaging device 17 is in its first position and it is illustrated how the second handle 14 is rotated, i.e. pushed down in this case, without operating the latch 11.
  • the second spindle 16 In the first position of the engaging device 17 the second spindle 16 is rotationally disengaged from the first spindle 15.
  • the second spindle 16 can be rotated without transferring rotational forces to the first spindle 15 when the engaging device 17 is in its first position.
  • the second handle 14 is attached to the second spindle 16 the rotation of the second handle 14 is transferred to the second spindle 16.
  • the second spindle 16 is rotationally connected to the first spindle 15, such as by means of a threaded joint between the first and second spindles 15, 16, wherein the second spindle 16 is rotatable in relation to the first spindle 15 but attached thereto in the axial direction to prevent the second spindle 16 from being displaced unintentionally or in an undesired manner in the axial direction.
  • the second spindle 16 is arranged pivotably in a bearing (not illustrated), such as a bearing arranged between the engaging device 17 and the second backplate 25.
  • the second spindle 16 comprises a first portion having a shape for rotationally engaging the aperture 19 and a second portion (not visible in the drawings) being rotationally arranged through the aperture 19 and into the first spindle 15 when the engaging device 17 is in its first position as illustrated in Figs 1-3 .
  • the second spindle 16 is rotated in relation to the engaging device 17, leaving the engaging device 17 unaffected by the rotation of the second spindle 16 by means of the second handle 14.
  • the first portion of the second spindle 16, having a shape for locking engagement with the aperture 19 is arranged outside the aperture 19.
  • the sleeve 18 with the aperture 19 is axially displaced towards the first handle 13 in relation to said first portion of the second spindle 16, wherein the second spindle 16 is rotationally disengaged from the sleeve 18.
  • operating the second handle 14 is not retracting the latch 11 and the door cannot be opened by means of the second handle 14.
  • the engaging device 17 is in its first position and it is illustrated how the first handle 13 is rotated, i.e. pushed down in this case, to retract the latch 11 so that the door can be opened.
  • the first handle 13 is attached to the first spindle 15 to transfer rotational forces from the first handle 13 to the first spindle 15.
  • the first spindle 15 is operably connected to the latch 11, so that the latch 11 is retracted and extended from the latch case 12 by rotation of the first spindle 15.
  • the first spindle 15 is rotated by means of the first handle 13.
  • the latch 11 is operable through the first handle 13.
  • the latch 11 is always operable through the first handle 13 regardless of the position of the engaging device 17.
  • the engaging device 17 is arranged to rotate together with the first spindle 15.
  • the engaging device 17 is arranged to always rotate together with the first spindle 15.
  • the engaging device 17 is disengaged from the first spindle 15 when the engaging device is in its first position.
  • the door handle device 10 is illustrated schematically, wherein the engaging device 17 is in a position between the first and second positions.
  • the engaging device 17 is displaced axially towards the second handle 14 and towards the second spindle 16, or at least towards the first portion of the second spindle 16, wherein the second spindle 16, or at least the first portion thereof, is received in the aperture 19 of the sleeve 18 for rotational engagement.
  • the motor is activated by a person, e.g. by means of a wireless device.
  • the motor displaces the actuator 26 in the radial direction, such as vertically, e.g. through the gear rack 31, wherein the radial projection 20 of the engaging device 17 slides against the slanted surface 27 of the actuator 26 to allow movement of the engaging device 17 axially towards the second handle 14 by means of the spring 23. If the second spindle 16, or at least the first portion thereof, is rotationally aligned with the aperture 19 of the sleeve 18 the second spindle 16, or said first portion thereof, is received in said aperture 19. If not, the engaging device 17 is not displaced as the sleeve 18 around the aperture 19 engages the second spindle 16 and prevents displacement of the engagement device 17.
  • the actuator 26 By further displacement of the actuator 26 by means of the motor the radial projection 20 is allowed to slide along the slanted surface 27 until the engaging device 17 reaches its second position, which is illustrated in Fig. 5 .
  • the actuator 26 has reached its second position, such as a lower end position, wherein the engaging device 17 is in its second position, such as an end position, axially displaced towards the second handle 13.
  • the second handle 13 was in its default position and the second spindle 16 was aligned with the aperture 19 the sleeve 18 is pushed further onto the second spindle 16, so that the first portion of the second spindle 16 is received in the aperture for rotational engagement therewith.
  • the sleeve 18 is always attached to the first spindle 15 in a rotationally engaged manner.
  • the displacement of the sleeve 18 from the first position to the second position also results in a rotational engagement with the first spindle 15.
  • the second spindle 16 is rotationally engaged with the first spindle 15 by means of the sleeve 18, wherein rotation of any of the first and second handles 13, 14 rotates the first spindle 15 to operate the latch 11, which is illustrated in Fig. 6 .
  • the engaging device 17 when the engaging device 17 is in its second position the first and second spindles 15, 16 rotate as a single spindle.
  • the radial projection 20 is arranged in contact with the second surface 29 of the actuator 26 when the engaging device 17 is in its second position.
  • the second surface 29 is axially displaced to the first surface 28 of the actuator 26 and is connected to the first surface 28 through the slanted surface 27.
  • sliding the radial projection 20 from the first surface 28, along the slanted surface 27 to the second surface 29 allows axial displacement of the engaging device 17 if the second spindle 16 is rotationally aligned with the aperture 19 of the sleeve 18.
  • the door can be opened by operating the second handle 14.
  • the engaging device 17 is displaceable back to its first position to disconnect the second handle 14 from latch operation.
  • the motor is again activated, e.g. by a person through the wireless device, wherein the actuator 26 is displaced back to its first position.
  • the displacement of the actuator 26 causes the radial projection 20 to slide along the slanted surface 27, which forces the radial projection 20 in the axial direction towards the first handle 13 and displaces the sleeve 18 connected to the radial projection 20 through the connection element 21 in the same direction until the engaging element 17 is in its first position.
  • the second spindle 16 When the sleeve 18 is displaced towards its first position the second spindle 16, or at least the first portion of the second spindle 16, leaves the aperture 19 and rotationally disengages the second spindle 16 from the first spindle 15, so that rotational forces applied on the second handle 14 is not transferred to the first spindle 15. Also, when the engaging device 17 is displaced to its first position, the spring 23 is compressed so as to store energy for moving the engaging device 17 to the second position when allowed to do so by the actuator 26.

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  • Lock And Its Accessories (AREA)
EP17152821.9A 2017-01-24 2017-01-24 Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung Withdrawn EP3351711A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17152821.9A EP3351711A1 (de) 2017-01-24 2017-01-24 Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17152821.9A EP3351711A1 (de) 2017-01-24 2017-01-24 Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung

Publications (1)

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EP3351711A1 true EP3351711A1 (de) 2018-07-25

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Application Number Title Priority Date Filing Date
EP17152821.9A Withdrawn EP3351711A1 (de) 2017-01-24 2017-01-24 Türgriffvorrichtung und tür mit solch einer türgriffvorrichtung

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253240A (en) * 1991-02-26 1992-09-02 Stephen Hopper An assembly for connecting an operating member of a latch to a handle
EP0942129A2 (de) * 1998-03-12 1999-09-15 New Taecor Co., Ltd. Schliessvorrichtung mit Schlüsselkarte
US20060150694A1 (en) * 2003-09-08 2006-07-13 Harrow Products, Inc. Fastener shield device for locks
US7543469B1 (en) * 2008-04-07 2009-06-09 Sun-Castle Global Precision Technology Co., Ltd. Mechanism of electronic door lock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253240A (en) * 1991-02-26 1992-09-02 Stephen Hopper An assembly for connecting an operating member of a latch to a handle
EP0942129A2 (de) * 1998-03-12 1999-09-15 New Taecor Co., Ltd. Schliessvorrichtung mit Schlüsselkarte
US20060150694A1 (en) * 2003-09-08 2006-07-13 Harrow Products, Inc. Fastener shield device for locks
US7543469B1 (en) * 2008-04-07 2009-06-09 Sun-Castle Global Precision Technology Co., Ltd. Mechanism of electronic door lock

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