EP1580361A1 - Serrure de porte - Google Patents

Serrure de porte Download PDF

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Publication number
EP1580361A1
EP1580361A1 EP04251669A EP04251669A EP1580361A1 EP 1580361 A1 EP1580361 A1 EP 1580361A1 EP 04251669 A EP04251669 A EP 04251669A EP 04251669 A EP04251669 A EP 04251669A EP 1580361 A1 EP1580361 A1 EP 1580361A1
Authority
EP
European Patent Office
Prior art keywords
deadbolt
door lock
doorknob
latch
safety
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Withdrawn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
EP04251669A
Other languages
German (de)
English (en)
Inventor
Ching-Tien Lin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP04251669A priority Critical patent/EP1580361A1/fr
Publication of EP1580361A1 publication Critical patent/EP1580361A1/fr
Withdrawn legal-status Critical Current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
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt
    • E05B55/12—Locks in which a sliding latch is used also as a locking bolt the bolt being secured by the operation of a hidden parallel member ; Automatic latch bolt deadlocking mechanisms, e.g. using a trigger or a feeler
    • 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
    • E05B63/08—Mortise locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside

Definitions

  • the present invention relates to door locks, and more particularly, to a door lock installed on a door, which can be quickly unlatched by users.
  • a conventional rigid door lock installed on a front door such as Yale lock, auxiliary lock, or multistage lock, takes more time to be unlatched by burglars or tampers because it is not easily damaged.
  • a common door lock usually comprises a plurality of locking structures.
  • a conventional door lock comprises two locking structures respectively mounted on the outer and inner sides of the door of a room guarded by the door.
  • the outer locking structure comprises a doorknob 100 for controlling a deadbolt, and a keyhole 101 for inserting a key 200.
  • the key 200 is rotated to lock or unlock the door lock.
  • the inner locking structure comprises a doorknob 102 and a rotary knob 103 for a user to rotate to control the latched or unlatched state of the door lock.
  • the key 200 or the rotary knob 103 can be operated to shift a deadbolt and a latch in the door lock to a latched or unlatched position.
  • a safety bolt can also be employed in the door lock to restrain the deadbolt, so as to keep the door lock in a latched state.
  • the user can unlatch the door lock by using the key 200 and pressing the doorknob 100 to enter the room. Then, the user can rotate the rotary knob 103 to the latched position to lock the door. Conversely, if the user intends to leave the room, he or she can rotate the rotary knob 103 to the unlatched position and press the doorknob 102 to open the door to exit the room.
  • the conventional door lock has to be unlatched through multiple steps and thus may not provide sufficient time for the user to escape in the event of fire or earthquake, for example.
  • the door lock is damaged due to some of the components of the door lock melting during a fire, the door may completely fail to open, trapping the user in serious danger.
  • a conventional door lock tends to be easily damaged due to its single stage of locking, such that even the basic locking of the door lock is not secure.
  • a conventional door lock fails to provide an ideal security function, in addition to its unsuitability in the occurrence of emergencies such as fire and earthquake.
  • the problem to be solved herein is to provide a door lock, which can eliminate the above drawbacks and is safely used by users.
  • a primary objective of the present invention is to provide a door lock which can be quickly unlatched by a single pressing action to open the door.
  • Another objective of the present invention is to provide a door lock with multi-stage locking and unlocking that more securely locks the door and resists damage.
  • a further objective of the present invention is to provide a door lock which is conveniently operated by a user.
  • the present invention proposes a door lock comprising a housing, a deadbolt mechanism, a latch mechanism, and a doorknob mechanism.
  • the housing is mounted in the door.
  • the deadbolt mechanism is received in the housing, and comprises a deadbolt that freely retracts into and protrudes from the housing, a deadbolt rod connected to the deadbolt, and a driving member movably mounted on the deadbolt rod.
  • the latch mechanism comprises a multi-segmental plate pivoted on the driving member, a latch connected to the multi-segmental plate, a fixed member pivoted on the multi-segmental plate, and a rotor that freely rotates to actuate the fixed member.
  • the doorknob mechanism comprises an auxiliary member that actuates the deadbolt rod and the rotor, at least one doorknob-rotating block adjacent to the auxiliary member, and a doorknob connected with the at least one doorknob-rotating block.
  • the door lock can further comprise a safety bolt mechanism.
  • the safety bolt mechanism comprises a safety latch board capable of being pushed by the deadbolt, a safety bolt connected to the safety latch board, and a deadbolt stopper installed on the safety latch board for blocking the deadbolt.
  • the safety block mechanism is also actuated by the deadbolt mechanism.
  • the deadbolt, the latch, and the safety bolt all associatively retract into the housing, such that the door lock can be quickly unlatched and the door is simultaneously opened. Therefore, it only requires a single pressing action to unlatch the door lock and open the door, allowing the user to easily and timely operate the door lock.
  • the latch mechanism provides the door lock with multi-stage locking, thereby offering more secure locking of the door lock, increasing safety and resistance to unwanted entry.
  • the door lock in the present invention can be quickly unlatched by a single pressing action to quickly open the door and is thus conveniently operated by the user. Further, the door lock provides a multi-stage locking function, which is suitably used where safety and burglary are especially important concerns.
  • FIG. 1 to FIG. 9 show a door lock according to a preferred embodiments of the present invention.
  • the door lock comprises a housing 1, a deadbolt mechanism 3, a latch mechanism 5, a safety bolt mechanism 7, and a doorknob mechanism 9.
  • the door lock can be mounted in a door (not shown) and is also formed with conventional components such as a doorknob, a keyhole and a rotary knob; the structure of these components is known in the art and thus not further detailed.
  • the housing 1 is mounted in the door, and comprises an upper shell 11, a lower shell 13 connected to the upper shell 11, and a faceplate 15 vertically disposed between the upper shell 11 and the lower shell 13.
  • a space is defined by the upper shell 11, the lower shell 13 and the faceplate 15 to receive the other components of the door lock.
  • the deadbolt mechanism 3 is received in the housing 1, and comprises a deadbolt 31 that freely retracts into and protrudes from the housing 1, a deadbolt rod 33 connected to the deadbolt 31, and a driving member 35 movably mounted on the deadbolt rod 33.
  • the orientation of the door lock installed in the door can be altered by simply adjusting the position of the deadbolt 31.
  • the driving member 35 can be formed with a plurality of bending portions, a hooked end, and an arced end.
  • the latch mechanism 5 comprises a multi-segmental plate 51 pivoted on the driving member 35, a latch 53 connected to the multi-segmental plate 51, a fixed member 55 pivoted on the multi-segmental plate 51, and a rotor 57 that freely rotates to actuate the fixed member 55.
  • the multi-segmental plate 51 can be a quadrangular plate having a plurality of dentate portions 511, a sliding trench 513, a downwardly protruding bolt 515 located in an appropriate position, and a ladder portion 517.
  • the latch 53 is formed with a groove 531 that can be correspondingly coupled to the multi-segmental plate 51.
  • the latch mechanism 5 further optionally comprises a returning plate 59 that is slidably coupled to the ladder portion 517 and capable of being actuated by the multi-segmental plate 51.
  • the safety bolt mechanism 7 comprises a safety latch board 71 capable of being pushed by the deadbolt 31, a safety bolt 73 connected to the safety latch board 71, and a deadbolt stopper 75 installed on the safety latch board 71 for blocking the deadbolt 31.
  • the safety latch board 71 is formed with a sliding trench 711.
  • An extended flexible portion 731 is extended from the safety bolt 73 in the direction away from the faceplate 15.
  • the deadbolt stopper 75 comprises a chevron-shaped notch 751.
  • the safety latch board 71 can further comprise a latch portion 713 on an appropriate position close to the deadbolt stopper 75, for pushing the deadbolt stopper 75 along the notch 751 so as to move the deadbolt stopper 75 to a blocked position where the deadbolt 31 is blocked and cannot retract into the housing 1.
  • the doorknob mechanism 9 comprises an auxiliary member 91 for actuating the deadbolt rod 33 and the rotor 57, and two doorknob-rotating blocks 93 adjacent to the auxiliary member 91, wherein the doorknob-rotating blocks 93 are linked to each other and can rotate simultaneously.
  • the auxiliary member 91 comprises an extended end 911 and is connected to a driving rod 915 sleeved with an elastic member 913.
  • the doorknob-rotating blocks 93 are each formed with a ladder-shaped flange 931 (only one is shown).
  • the doorknob mechanism 9 further optionally comprises a returning block 95 located between the doorknob-rotating blocks 93 and the returning plate 59.
  • the deadbolt 31 and the deadbolt rod 33 of the deadbolt mechanism 3 are connected together, wherein the deadbolt rod 33 comprises a ring-shaped fixed member 331, elastic members 333, 334 and a fixed plate 335.
  • the deadbolt rod 33 is movably fixed by a first localizer 133 of the lower shell 13.
  • the driving member 35 is movably mounted on the deadbolt rod 33 and pivoted on the multi-segmental plate 51, and the multi-segmental plate 51 is coupled to the groove 531 of the latch 53.
  • a blade 37 may be formed under the deadbolt rod 33, wherein one end of the blade 37 is rotatably fixed to the lower shell 13, and the other end of the blade 37 is restricted to a position between the bolt 515 of the multi-segmental plate 51 and the latch 53 and under the multi-segmental plate 51.
  • the fixed member 55 comprises a first sliding trench 551a for receiving a latch element 553 that couples the sliding trench 513 of the multi-segmental plate 51 and the returning plate 59 together.
  • the fixed member 55 further comprises a second sliding trench 551b where a first bolt 131a of the lower shell 13 is movably inserted.
  • the fixed member 55 may further optionally comprise at least one bolt 555 extended towards the lower shell 13.
  • the fixed member 55 further comprises an extended flexible portion 557 extended from the second sliding trench 551b, with an elastic member 557a coupled to the extended flexible portion 557.
  • the extended flexible portion 557 is elastically mounted through a second localizer 135a of the lower shell 13.
  • the fixed member 55 further comprises a blocker 559 for blocking and fixing the multi-segmental plate 51.
  • the rotor 57 is rotatably fixed via a bolt 571 to the lower shell 13, wherein one end of the rotor 57 can abut against the driving rod 915, and the other end of the rotor 57 can rotate between the bolt 555 of the fixed member 55 and a first bolt 131a of the lower shell 13.
  • a second bolt 131b of the lower shell 13 is inserted through the sliding trench 711 of the safety latch board 71, and can be movably pushed by the deadbolt 31.
  • An elastic member 733 is sleeved around the extended flexible portion 731 of the safety bolt 73 to allow the extended flexible portion 731 to elastically go through another second localizer 135b of the lower shell 13.
  • the deadbolt stopper 75 goes through a first pillar 137a of the lower shell 13.
  • the auxiliary member 91 of the doorknob mechanism 9 is fixed to the lower shell 13 via a second pillar 137b of the lower shell 13.
  • the extended end 911 of the auxiliary member 91 is locked between the first localizer 133 of the lower shell 13 and the fixed plate 335 located distantly from the elastic member 333 of the deadbolt rod 33, so as to actuate the deadbolt mechanism 3.
  • the driving rod 915 goes through another second localizer 135c of the lower shell 13 in a direction away from the auxiliary member 91 so as to actuate the rotor 57.
  • the doorknob-rotating blocks 93 can be engaged via their flanges 931 with first openings formed on the upper shell 11 and on the lower shell 13 (only the first opening 111 of the upper shell 11 is shown).
  • the deadbolt 31 of the deadbolt mechanism 3 freely goes through a first opening 151 of the faceplate 15.
  • the latch 53 of the latch mechanism 5 freely goes through a second opening 153 of the faceplate 15.
  • the safety bolt 73 of the safety bolt mechanism freely goes through a third opening 155 of the faceplate 15.
  • the first opening 151 corresponding to the deadbolt 31 has a substantially H-shaped structure, so as to allow the deadbolt 31 when altering its position to be able to freely go through the first opening 151.
  • the doorknob-rotating blocks 93 each further comprise a gap 933 for accommodating a doorknob (not shown), and at least two blockers 935 to block against a third pillar 137c of the lower shell 13.
  • the gap 933 connected to the doorknob simultaneously actuates rotation of the doorknob-rotating blocks 93 and alters the position of the blockers 935.
  • the upper shell 11 and the lower shell 13 are respectively formed with a second opening 113 and a first opening 139 corresponding to each other to allow a rotary knob 2 to be inserted through these openings 113, 139.
  • the rotary knob 2 comprises a rotatable blocker 21 located between the upper shell 11 and the lower shell 13 to block against the dentate portions 551 of the multi-segmental plate 51 that are located distantly from the doorknob-rotating blocks 93 and abut against one side of the fixed member 55.
  • a keyhole and/or other equivalent elements can also be used.
  • the elastic member can comprise various forms of springs or other equivalent elements.
  • the driving member can have a sheet-like structure besides the rod-shape structure.
  • the equivalent elements are not limited to what is described in this embodiment. Other modifications and arrangements of the elements of the door lock are suitably applicable to the present invention.
  • a first segment of the latch 53 protrudes out of the housing 1.
  • the blocker 559 is moved from an original blocked position between the ladder portion 517 and one dentate portion 511 of the multi-segmental plate 51 close to the doorknob-rotating blocks 93 to another blocked position between two dentate portions 511 close to one side of the doorknob-rotating blocks 93, so as to block and fix the multi-segmental plate 51 in position.
  • the multi-segmental plate 51 may further comprise a downwardly protruded bolt (not shown) to actuate the returning plate 59, so as to push the returning block 95 towards the doorknob-rotating blocks 93 and locate the returning block 95 and the returning plate 59 in a locked position.
  • the first stage of locking is achieved.
  • the blocker 21 when the rotary knob 2 is rotated one more cycle in the counterclockwise direction, the blocker 21 further pushes the fixed member 55 towards the auxiliary member 91, and the fixed member 55 further pushes the multi-segmental plate 51 away from the driving rod 915, making the latch 53 further move outwards from the housing 1. Consequently, as shown in FIG 5, the latch 53 completely protrudes out of the housing 1.
  • the blocker 559 is moved from the blocked position between the two dentate portions 511 of the multi-segmental plate 51 to another blocked position in one dentate portion 511 located distantly from the latch 53, so as to block and fix the multi-segmental plate 51 in position.
  • the returning block 95 and the returning plate 59 are still placed in the same locked position. Thus, the second stage of locking is achieved.
  • the blocker 21 of the rotary knob 2 pushes the arced end of the driving member 35. Since the arced end of the driving member 35 is rotatably pivoted on the multi-segmental plate 51, a fixed point 351 of the driving member 35 serves as a pivot, making the arc end of the driving member 35 move towards the latch 53, and making the hooked end of the deadbolt rod 33 move away from the deadbolt 31. As a result, the deadbolt rod 33 is pushed by the driving member 35 to actuate the deadbolt 31 to retract into the housing 1. The retracting deadbolt 31 in the housing 1 pushes the safety latch board 71 and thus actuates the safety bolt 73 connected to the safety latch board 71 to simultaneously enter into the housing 1.
  • the downwardly protruded bolt (not shown) of the multi-segmental plate 51 can actuate the returning plate 59, so as to push the returning block 95 away from the doorknob-rotating blocks 93, thereby making the returning block 95 and the returning plate 59 located in the unlocked position.
  • multi-stage locking and unlocking of the door lock can be achieved simply by rotation of the rotary knob 2.
  • the rotation of the rotary knob 2 forces the latch 53, the deadbolt 31 and the safety bolt 73 to retract into the housing 1, such that the door lock is unlatched and the door is opened.
  • the user can simply press the doorknob to simultaneously actuate the latch 53, the deadbolt 31, and the safety bolt 73.
  • the auxiliary member 91 and the returning block 95 are pushed.
  • the extended end 911 of the pushed auxiliary member 91 further pushes the deadbolt rod 33 and the driving rod 915, making the deadbolt 31 driven by the deadbolt rod 33 to retract into the housing 1.
  • the retracting deadbolt 31 in the housing 1 further pushes the safety latch board 71 and forces the safety bolt 73 connected to the safety latch board 71 to simultaneously retract into the housing 1.
  • the pushed driving rod 915 further pushes the rotor 57.
  • the rotor 57 pushes the fixed member 55 simultaneously towards the driving rod 915.
  • the dentate portion 511 of the multi-segmental plate 51 is released from the blocker 559.
  • the deadbolt 31 that completely retracts into the housing 1 forces the blade 37 to move towards the fixed member 55, so as to move the multi-segmental plate 51 towards the driving rod 915.
  • the returning block 95 is pushed towards the returning plate 59 and further moves the returning plate 59 to the unlocked position.
  • the latch 53, the deadbolt 31 and the safety bolt 73 are retracted into the housing 1, and the door lock can be unlatched and the door can be opened.
  • the door lock proposed in the present invention allows the user to simply press the doorknob to unlatch the door lock and open the door simultaneously.
  • the present invention provides a door lock that can be operated by a single pressing action to quickly unlatch the door lock and open the door.
  • the safety bolt mechanism 7 is optionally provided in the door lock. Also, the latch mechanism 5 is optionally provided in the door lock.
  • the safety bolt 73 can be pressed into the housing 1. Pressing the safety bolt 73 into the housing 1 actuates the safety latch board 71 to move towards the doorknob-rotating blocks 93, and the safety latch board 71 drives the deadbolt stopper 75 to move to the position for blocking the deadbolt 31, such that the deadbolt 31 is kept outside the housing 1.
  • the door lock proposed in the present invention with multi-stage locking and unlocking better achieves the basic functions of security and resistance to burglary. Moreover, the door lock proposed in the present invention can be quickly unlatched by a single pressing action and thus is suitably used to enhance safety in the occurrence of fire or earthquake.
  • the door lock proposed in the present invention can be quickly unlatched to simultaneously open the door through a single pressing action. Multi-stage locking and unlocking can be achieved by simply rotating the rotary knob 2. Therefore, this door lock is easily and conveniently operated by the user and quite applicable and useful in situations requiring safety and security.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP04251669A 2004-03-23 2004-03-23 Serrure de porte Withdrawn EP1580361A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04251669A EP1580361A1 (fr) 2004-03-23 2004-03-23 Serrure de porte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04251669A EP1580361A1 (fr) 2004-03-23 2004-03-23 Serrure de porte

Publications (1)

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EP1580361A1 true EP1580361A1 (fr) 2005-09-28

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Family Applications (1)

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EP04251669A Withdrawn EP1580361A1 (fr) 2004-03-23 2004-03-23 Serrure de porte

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EP (1) EP1580361A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458114A2 (fr) * 2009-07-23 2012-05-30 Talleres De Escoriaza, S.A. Boîtier polyvalent pour l'actionnement réversible et l'actionnement classique et/ou anti-panique dans des serrures pour menuiserie à base de profilés métalliques
CN104790769A (zh) * 2015-04-07 2015-07-22 联程机械（宁波）有限公司 一种机械联动锁
CN104790768A (zh) * 2015-04-07 2015-07-22 联程机械（宁波）有限公司 一种机械联动副锁
CN108590371A (zh) * 2018-04-24 2018-09-28 商华益 一种防盗门锁的锁体自弹结构
EP3653816A1 (fr) * 2018-11-16 2020-05-20 Federal Lock Co., Ltd. Verrou comportant des modules remplaçables
US20210317685A1 (en) * 2020-04-10 2021-10-14 Wen-Fong Jean Magnetic-actuation latch device
US11261619B2 (en) * 2018-11-16 2022-03-01 Federal Lock Co., Ltd. Lock with a roller deadbolt
US11408207B2 (en) * 2018-11-16 2022-08-09 Federal Lock Co., Ltd. Lock with a long-travel deadbolt

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD108792A1 (fr) * 1973-12-20 1974-10-05
DE4118455A1 (de) * 1990-06-08 1991-12-12 Talleres Escoriaza Sa Betaetigungsvorrichtung fuer ein schloss
US6651466B1 (en) * 1999-05-17 2003-11-25 Simon Shih Dual lock assembly with a direction-changeable latch bolt

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD108792A1 (fr) * 1973-12-20 1974-10-05
DE4118455A1 (de) * 1990-06-08 1991-12-12 Talleres Escoriaza Sa Betaetigungsvorrichtung fuer ein schloss
US6651466B1 (en) * 1999-05-17 2003-11-25 Simon Shih Dual lock assembly with a direction-changeable latch bolt

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458114A2 (fr) * 2009-07-23 2012-05-30 Talleres De Escoriaza, S.A. Boîtier polyvalent pour l'actionnement réversible et l'actionnement classique et/ou anti-panique dans des serrures pour menuiserie à base de profilés métalliques
EP2458114A4 (fr) * 2009-07-23 2014-12-03 Talleres Escoriaza Sa Boîtier polyvalent pour l'actionnement réversible et l'actionnement classique et/ou anti-panique dans des serrures pour menuiserie à base de profilés métalliques
CN104790769A (zh) * 2015-04-07 2015-07-22 联程机械（宁波）有限公司 一种机械联动锁
CN104790768A (zh) * 2015-04-07 2015-07-22 联程机械（宁波）有限公司 一种机械联动副锁
CN104790768B (zh) * 2015-04-07 2017-01-04 联程机械（宁波）有限公司 一种机械联动副锁
CN104790769B (zh) * 2015-04-07 2017-02-22 联程机械（宁波）有限公司 一种机械联动锁
CN108590371A (zh) * 2018-04-24 2018-09-28 商华益 一种防盗门锁的锁体自弹结构
EP3653816A1 (fr) * 2018-11-16 2020-05-20 Federal Lock Co., Ltd. Verrou comportant des modules remplaçables
US11261619B2 (en) * 2018-11-16 2022-03-01 Federal Lock Co., Ltd. Lock with a roller deadbolt
US11384569B2 (en) * 2018-11-16 2022-07-12 Federal Lock Co., Ltd. Lock with replaceable modules
US11408207B2 (en) * 2018-11-16 2022-08-09 Federal Lock Co., Ltd. Lock with a long-travel deadbolt
US20210317685A1 (en) * 2020-04-10 2021-10-14 Wen-Fong Jean Magnetic-actuation latch device
US11499344B2 (en) * 2020-04-10 2022-11-15 Wen-Fong Jean Magnetic-actuation latch device

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