EP3048226B1 - VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER - Google Patents

VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER Download PDF

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Publication number
EP3048226B1
EP3048226B1 EP15152439.4A EP15152439A EP3048226B1 EP 3048226 B1 EP3048226 B1 EP 3048226B1 EP 15152439 A EP15152439 A EP 15152439A EP 3048226 B1 EP3048226 B1 EP 3048226B1
Authority
EP
European Patent Office
Prior art keywords
hole
padlock
locking unit
pin
housing
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.)
Not-in-force
Application number
EP15152439.4A
Other languages
English (en)
French (fr)
Other versions
EP3048226A1 (de
Inventor
Tien-Kao Liu
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.)
Federal Lock Co Ltd
Original Assignee
Federal Lock Co Ltd
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 Federal Lock Co Ltd filed Critical Federal Lock Co Ltd
Priority to EP15152439.4A priority Critical patent/EP3048226B1/de
Publication of EP3048226A1 publication Critical patent/EP3048226A1/de
Application granted granted Critical
Publication of EP3048226B1 publication Critical patent/EP3048226B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/06—Shackles; Arrangement of the shackle
    • E05B67/22—Padlocks with sliding shackles, with or without rotary or pivotal movement
    • E05B67/24—Padlocks with sliding shackles, with or without rotary or pivotal movement with built- in cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/084—Fastening of lock cylinders, plugs or cores

Definitions

  • the present invention relates to a padlock, and more particularly, to a padlock whose lock cylinder is replaceable and the lock cylinder is well secured.
  • Some of the conventional padlocks have the function of replacement of the lock cylinder so that the housing and the shackle can be used repeatedly, also provide higher security feature.
  • U.S. Patent No. 8,245,547 discloses a padlock which includes a lock housing, a U-shaped lock hoop and a lock cylinder in order selectively to lock the lock hoop to the lock housing.
  • the lock cylinder has a cylinder axis and is secured to the lock housing by means of a securing element.
  • the securing element is displaceably supported at the lock cylinder and is resiliently supported transversely to the cylinder axis. The securing element engages into a securing opening at an inner side of the lock housing to secure the lock cylinder to the lock housing.
  • the spring of the padlock of U.S. Patent No. 8,245,547 has one end contacting an abutment element so as to be movably supported at the lock cylinder.
  • the abutment element is engaged with the cylinder core of the core reception section so as to restrict the rotational angle of the cylinder core relative to the cylinder housing.
  • the securing element and the abutment element both compress the spring which may be tilted so that the abutment element may be disengaged from the core reception section.
  • the function of restricting the rotational angle of the cylinder core is then failed.
  • the present invention intends to provide a padlock to eliminate the shortcomings mentioned above.
  • the present invention relates to a padlock and comprises a housing having a space defined therein. Two insertion holes are defined through the wall of the housing. A positioning recess is defined in the inside of the housing. An installation hole is defined in the housing and located beneath one of the two insertion holes. A reception member is located in the space and has a connection hole and an access hole which communicates with the connection hole. The connection hole is located corresponding to the positioning recess of the housing. The access hole is located corresponding to the installation hole.
  • the connection hole has a resilient member and a pin located therein. The pin is biased by the resilient member so as to be resiliently engaged with the positioning recess. When the resilient member is compressed, the pin is disengaged from the positioning recess.
  • the pin has a groove defined transversely in the outer surface thereof. The groove is located corresponding to the access hole.
  • a stop is located in the installation hole and the access hole. The stop is engaged with the groove of the pin when the pin is engaged with the positioning recess.
  • the access hole communicates with the connection hole perpendicularly.
  • the pin has a protrusion extending axially from one end thereof, and the resilient member is mounted onto the protrusion.
  • the installation hole is a threaded hole.
  • the stop has a threaded portion formed on the outer surface thereof. The stop is threadedly engaged with the installation hole.
  • the padlock further comprises a lock cylinder and a positioning plate, wherein the lock cylinder is located in the reception member and has a top piece.
  • the positioning plate is located in the space and has a guide hole in which the top piece is located so that the rotational angle of the lock cylinder is restricted by the guide hole.
  • the top piece is a semi-circular piece and the guide hole is a fan-like hole.
  • the positioning plate has a lug extends radially from outside thereof.
  • the padlock further comprises a shackle and a locking unit, wherein the shackle is a U-shaped shackle and has a long end and a short end.
  • the long end is inserted into the insertion hole that does not have the installation hole located therebeneath.
  • the short end is inserted into the insertion hole that has the installation hole located therebeneath.
  • Each of the long end and the short end has a notch.
  • the locking unit is located in the space.
  • the housing has a passage which is located corresponding to the locking unit and communicates with the insertion hole and the space.
  • the top piece of the lock cylinder is connected to the locking unit. When the locking unit is located at the locked status, the locking unit is engaged with the notches via the passage. When the locking unit is located at the unlocked status, the short end is disengaged from the insertion hole that has the installation hole located therebeneath.
  • the locking unit has a driving member which has a flange and a block on two ends thereof.
  • the flange is located corresponding to the top piece.
  • the block is located corresponding to the notches of the shackle.
  • the padlock further comprises a ring and a torsion spring, wherein the ring is mounted to the driving member and has a first securing portion.
  • the block has a second securing portion.
  • the torsion spring has two ends which are respectively connected to the first and second securing portions.
  • the block has two recessed faces on two opposite sides thereof.
  • the recessed faces are located in the passage.
  • Two engaging members are respectively located in the passage and located between the two recessed faces and the notches.
  • the pin cannot be shifted when the housing is hit when the stop is engaged with the groove, so that the lock cylinder cannot be easily pulled out from the housing.
  • the stop is removed via the insertion hole when the padlock is in unlocked status, the pin can be moved from the positioning recess, and the lock cylinder can be replaced.
  • the rotational angle of the lock cylinder can be restricted by the guide hole of the positioning plate, so that the lock cylinder can be rotated to a correct unlocked position.
  • the positioning plate is not moved even when the housing is hit.
  • the padlock of the present invention comprises a housing 1 having a space 11 defined therein, and two insertion holes 12 are defined through the top wall of the housing 1.
  • a positioning recess 13 is defined in the inside of the housing 1.
  • An installation hole 14 is defined in the housing 1 and located beneath one of the two insertion holes 12.
  • a reception member 2 is located in the space 11 and has a connection hole 21 and an access hole 22 which communicates with the connection hole 21 perpendicularly.
  • the connection hole 21 is located corresponding to the positioning recess 13 of the housing 1, and the access hole 22 is located corresponding to the installation hole 14.
  • the connection hole 21 has a resilient member 211 and a pin 212 located therein.
  • the pin 212 has a protrusion 2121 extending axially from one end thereof, and the resilient member 211 is mounted onto the protrusion 2121.
  • the pin 212 is biased by the resilient member 211 so as to be resiliently engaged with the positioning recess 13. When the resilient member 211 is compressed, the pin 212 is disengaged from the positioning recess 13.
  • the pin 212 has a groove 2122 defined transversely in the outer surface thereof. The groove 2122 is located corresponding to the access hole 22.
  • a stop 3 is located in the installation hole 14 and the access hole 22.
  • the installation hole 14 is a threaded hole, and the stop 3 has a threaded portion 31 formed on the outer surface thereof.
  • the stop 3 is threadedly engaged with the installation hole 14.
  • the stop 3 is engaged with the groove 2122 of the pin 212 when the pin 212 is engaged with the positioning recess 13.
  • the padlock further comprises a lock cylinder 4 and a positioning plate 5, wherein the lock cylinder 4 is located in the reception member 2 and has a top piece 41.
  • the positioning plate 5 is located in the space 11 and has a guide hole 52 in which the top piece 41 is located so that the rotational angle of the lock cylinder 4 is restricted by the guide hole 52.
  • the top piece 41 is a semi-circular piece, and the guide hole 52 is a fan-like hole which is larger than the top piece 41.
  • the positioning plate 5 has a lug 51 extends radially from outside thereof so as to be positioned in the space 11.
  • the padlock further comprises a shackle 6 and a locking unit 7, wherein the shackle 6 is a U-shaped shackle and has a long end 61 and a short end 62.
  • the long end 61 is inserted into the insertion hole 12 that does not have the installation hole 14 located therebeneath, and the short end 62 is inserted into the insertion hole 12 that has the installation hole 14 located therebeneath.
  • Each of the long end 61 and the short end 62 has a notch 63.
  • the locking unit 7 is located in the space 11.
  • the housing 1 has a passage 15 which is located corresponding to the locking unit 7 and communicates with the insertion hole 12 with the locking unit 7, and the space 11.
  • the top piece 41 of the lock cylinder 4 is connected to the locking unit 7.
  • the locking unit 7 has a driving member 71 which has a flange 711 and a block 712 on two ends thereof.
  • the flange 711 is located corresponding to the top piece 41, and the block 712 is located corresponding to the notches 63 of the shackle 6.
  • a ring 72 is mounted to the driving member 71 and has a first securing portion 721.
  • the block 712 has a second securing portion 7121.
  • a torsion spring 73 has two ends which are respectively connected to the first and second securing portions 721, 7121.
  • the block 712 has two recessed faces 7122 on two opposite sides thereof. The recessed faces 7122 are located in the passage 15.
  • Two engaging members 74 are respectively located in the passage 15 and located between the two recessed faces 7122 and the notches 63.
  • the locking unit 7 When the locking unit 7 is located at a locked status, the locking unit 7 is engaged with the notches 63 via the passage 15. When the locking unit 7 is located at an unlocked status, the short end 62 is disengaged from the insertion hole 12 that has the installation hole 14 located therebeneath.
  • the pin 212 is biased by the resilient member 211 so as to be engaged with the positioning recess 13, therefore, the pin 212 is positioned by the positioning recess 13 and the connection hole 21, and the reception member 2 cannot be removed out from the housing 1.
  • the stop 3 extends through the installation hole 14 and the access hole 22 and is engaged with the groove 2122 of the pin 212, so that even if the padlock is hit, the pin 212 is not moved, and the resilient member 211 is not compressed. In other words, the pin 212 is not shifted so that the lock cylinder 4 cannot be removed out from the padlock.
  • a key is used to unlock the padlock, and the short end 62 of the shackle 6 is removed from the insertion hole 12.
  • the stop 3 is seen and accessible. By using a hand tool, the stop 3 can be threadedly removed from the installation hole 14.
  • An elongate tool is inserted into the installation hole 14 and the access hole 22 to be engaged with the groove 2122 of the pin 212, so that the pin 212 can be moved to compress the resilient member 211. Therefore, the pin 212 is disengaged from the positioning recess 13, so the lock cylinder 4 and the reception member 2 can be removed out from the padlock and replaced with new ones.
  • the pin 212 and the resilient member 211 are installed in the connection hole 21 of the new lock cylinder 4 and the reception member 2.
  • the resilient member 211 pushes the pin 212 at the position.
  • the stop 3 is installed again into the installation hole 14 and engaged with the groove 2122 of the pin 212 to finish the replacement procedures.
  • the torsion spring 73 returns and the driving member 71 is rotated in the opposite direction, so that the recessed faces 7122 of the driving member 71 are rotated away from the passage 15, and the engaging members 74 protrude into the insertion holes 12.
  • the flange 711 of the driving member 71 pushes the top piece 41 to return the lock cylinder 4 back to its initial position.
  • the lock cylinder 4 has to be rotated to a position where the recessed faces 7122 face the passage 15 to allow the padlock to be unlocked.
  • the recessed faces 7122 do not face the passage 15, the padlock is locked. Therefore, the position of the lock cylinder 4 has to be precisely restricted.
  • the space 11 is in a shape of a narrow area and a wide area, the lug 51 restricts the positioning plate 5 from rotating by the specific shape of the space 11.
  • the top piece 41 of the lock cylinder 4 is inserted in the guide hole 52 of the positioning plate 5 to restrict the rotational angle of the lock cylinder 4.
  • the top piece 41 is a semi-circular piece
  • the guide hole 52 is a fan-like hole which is larger than the top piece 41 so as to precisely set the rotational positions of the top piece 41 of the lock cylinder 4.
  • other shape may also be used to obtain the same function.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (11)

  1. Vorhängeschloss, das Folgendes umfasst:
    ein Gehäuse (1), das einen in demselben definierten Raum (11), zwei durch eine Wand des Gehäuses (1) definierte Einsetzlöcher (12), eine in einer Innenseite des Gehäuses (1) definierte Positionierungsaussparung (13), ein in dem Gehäuse (1) definiertes und unterhalb eines der zwei Einsetzlöcher (12) angeordnetes Einbauloch (14) hat,
    ein Aufnahmeelement (2), das in dem Raum (11) angeordnet ist und ein Verbindungsloch (21) und ein Zugangsloch (22), das mit dem Verbindungsloch (21) in Verbindung steht, hat, wobei das Verbindungsloch (21) entsprechend der Positionierungsaussparung (13) des Gehäuses (1) angeordnet ist, wobei das Zugangsloch (22) entsprechend dem Einbauloch (14) angeordnet ist, wobei das Verbindungsloch (21) ein elastisches Element (211) und einen in demselben angeordneten Stift (212) hat, wobei der Stift (212) durch das elastische Element (211) so vorgespannt wird, dass er elastisch mit der Positionierungsaussparung (13) in Eingriff gebracht wird, und wobei, wenn das elastische Element (211) zusammengedrückt wird, der Stift (212) aus der Positionierungsaussparung (13) ausgerückt wird, wobei der Stift (212) eine Rille (2122) hat, die quer in einer Außenfläche desselben geformt ist, wobei die Rille (2122) entsprechend dem Zugangsloch (22) angeordnet ist, und
    einen Anschlag (3), der in dem Einbauloch (14) und dem Zugangsloch (22) angeordnet ist, wobei der Anschlag (3) mit der Rille (2122) des Stifts (212) in Eingriff gebracht ist, wenn der Stift (212) mit der Positionierungsaussparung (13) in Eingriff gebracht ist.
  2. Vorhängeschloss nach Anspruch 1, wobei das Zugangsloch (22) senkrecht mit dem Verbindungsloch (21) in Verbindung steht.
  3. Vorhängeschloss nach Anspruch 1, wobei der Stift (212) einen Vorsprung (2121) hat, der sich in Axialrichtung von einem Ende desselben aus erstreckt, wobei das elastische Element (211) an dem Vorsprung (2121) angebracht ist.
  4. Vorhängeschloss nach Anspruch 1, wobei das Einbauloch (14) ein Gewindeloch ist, wobei der Anschlag (3) einen Gewindeabschnitt (31) hat, der an einer Außenfläche desselben geformt ist, wobei der Anschlag (3) mit dem Einbauloch (14) in Gewindeeingriff gebracht ist.
  5. Vorhängeschloss nach Anspruch 1, das ferner einen Schließzylinder (4) und eine Positionierungsplatte (5) umfasst, wobei der Schließzylinder (4) in dem Aufnahmeelement (2) angeordnet ist und ein oberes Stück (41) hat, wobei die Positionierungsplatte (5) in dem Raum (11) angeordnet ist und ein Führungsloch (52) hat, in dem das obere Stück (41) angeordnet ist, so dass ein Drehwinkel des Schließzylinders (4) durch das Führungsloch (52) beschränkt wird.
  6. Vorhängeschloss nach Anspruch 5, wobei das obere Stück (41) ein halbkreisförmiges Stück ist, wobei das Führungsloch (52) ein fächerartiges Loch ist.
  7. Vorhängeschloss nach Anspruch 5, wobei die Positionierungsplatte (5) eine Nase (51) hat, die sich von außerhalb derselben in Radialrichtung erstreckt.
  8. Vorhängeschloss nach Anspruch 5, das ferner einen Bügel (6) und eine Verriegelungseinheit (7) umfasst, wobei der Bügel (6) ein U-förmiger Bügel (6) ist und ein langes Ende (61) und ein kurzes Ende (62) hat, wobei das lange Ende (61) in das Einsetzloch (12) eingesetzt ist, welches das Einbauloch (14) nicht unterhalb desselben angeordnet hat, wobei das kurze Ende (62) in das Einsetzloch (12) eingesetzt ist, welches das Einbauloch (14) unterhalb desselben angeordnet hat, wobei sowohl das lange Ende (61) als auch das kurze Ende (62) eine Kerbe (63) hat, wobei die Verriegelungseinheit (7) in dem Raum (11) angeordnet ist, wobei das Gehäuse (1) einen Durchgang (15) hat, der entsprechend der Verriegelungseinheit (7) angeordnet ist und mit dem Einsetzloch (12) mit der Verriegelungseinheit (7) und dem Raum (11) in Verbindung steht, wobei das obere Stück (41) des Schließzylinders (4) mit der Verriegelungseinheit (7) verbunden ist, wenn die Verriegelungseinheit (7) bei einem verriegelten Zustand angeordnet ist, wobei die Verriegelungseinheit (7) über den Durchgang (15) mit dem Kerben (63) in Eingriff gebracht ist, wenn die Verriegelungseinheit (7) bei einem entriegelten Zustand angeordnet ist, wobei das kurze Ende (62) von dem Einsetzloch (12) ausgerückt ist, welches das Einbauloch (14) unterhalb desselben angeordnet hat.
  9. Vorhängeschloss nach Anspruch 8, wobei die Verriegelungseinheit (7) ein Antriebselement (71) hat, das einen Flansch (711) und einen Block (712) an zwei Enden desselben hat, wobei der flansch (711) entsprechend dem oberen Stück (41) angeordnet ist, wobei der Block (712) entsprechend den Kerben (63) des Bügels (6) angeordnet ist.
  10. Vorhängeschloss nach Anspruch 9, das ferner einen Ring (72) und eine Torsionsfeder (73) umfasst, wobei der Ring (72) an dem Antriebselement angebracht ist und einen ersten Befestigungsabschnitt (721) hat, wobei der Block (712) einen zweiten Befestigungsabschnitt (7121) hat, wobei die Torsionsfeder (73) zwei Enden hat, die jeweils mit dem ersten beziehungsweise dem zweiten Befestigungsabschnitt (721, 7121) verbunden sind.
  11. Vorhängeschloss nach Anspruch 10, wobei der Block (712) zwei ausgesparte Flächen (7122) auf zwei gegenüberliegenden Seiten desselben hat, wobei die ausgesparten Flächen (7122) in dem Durchgang (15) angeordnet sind, wobei zwei ineinandergreifende Elemente (74) jeweils in dem Durchgang (15) angeordnet sind beziehungsweise zwischen den zwei ausgesparten Flächen (7122) und den Kerben (63) angeordnet sind.
EP15152439.4A 2015-01-26 2015-01-26 VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER Not-in-force EP3048226B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15152439.4A EP3048226B1 (de) 2015-01-26 2015-01-26 VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15152439.4A EP3048226B1 (de) 2015-01-26 2015-01-26 VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER

Publications (2)

Publication Number Publication Date
EP3048226A1 EP3048226A1 (de) 2016-07-27
EP3048226B1 true EP3048226B1 (de) 2017-10-11

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ID=52394170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15152439.4A Not-in-force EP3048226B1 (de) 2015-01-26 2015-01-26 VORHÄNGESCHLOSS MIT AUSWECHSELBAREM SCHLIEßZYLINDER

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206417B (zh) * 2019-04-15 2023-09-26 珠海优特电力科技股份有限公司 挂锁、挂锁解锁方法和挂锁闭锁方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793856A (en) * 1972-10-13 1974-02-26 Junkunc Bros American Lock Co Padlock and key cylinder release
US4404825A (en) * 1981-05-12 1983-09-20 Scovill Inc. Padlock having a replaceable cylinder
US8234896B2 (en) * 2009-10-26 2012-08-07 George Uliano Padlock for adjusting to a length of a lock cylinder
US8245547B1 (en) 2011-01-27 2012-08-21 ABUS August Bremicker Söhne KG Padlock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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