EP4001564B1 - Manual locking device and railway vehicle door device - Google Patents
Manual locking device and railway vehicle door device Download PDFInfo
- Publication number
- EP4001564B1 EP4001564B1 EP21201455.9A EP21201455A EP4001564B1 EP 4001564 B1 EP4001564 B1 EP 4001564B1 EP 21201455 A EP21201455 A EP 21201455A EP 4001564 B1 EP4001564 B1 EP 4001564B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- moving
- link
- restraining
- door
- 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.)
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Links
- 230000000452 restraining effect Effects 0.000 claims description 179
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
- E05B83/363—Locks for passenger or like doors for railway vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/08—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with longitudinally-moving bars guided, e.g. by pivoted links, in or on the frame
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/08—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with longitudinally-moving bars guided, e.g. by pivoted links, in or on the frame
- E05F11/10—Mechanisms by which a handle moves the bar
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/218—Holders
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/218—Holders
- E05Y2201/22—Locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/23—Actuation thereof
- E05Y2201/244—Actuation thereof by manual operation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/624—Arms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/624—Arms
- E05Y2201/626—Levers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/638—Cams; Ramps
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/644—Flexible elongated pulling elements
- E05Y2201/646—Flexible elongated pulling elements continuous, e.g. closed loops
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/644—Flexible elongated pulling elements
- E05Y2201/652—Belts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/676—Transmission of human force
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/676—Transmission of human force
- E05Y2201/68—Handles, cranks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/686—Rods, links
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/32—Position control, detection or monitoring
- E05Y2400/322—Position control, detection or monitoring by using absolute position sensors
- E05Y2400/324—Switches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/32—Position control, detection or monitoring
- E05Y2400/35—Position control, detection or monitoring related to specific positions
- E05Y2400/354—End positions
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles
Definitions
- the present disclosure relates to a manual locking device and a railway vehicle door device. Specifically, the present disclosure relates to a technique suitable for use in manually locking a door in a closed state such that the door cannot be used. This technique is supposed to be used by a train crew when a door of a railway vehicle is broken down.
- OoSL Out of Service Lock
- GB 2 046 828 A discloses a manual locking device at least not having the features of the characterizing portion of claim 1.
- Patent Literature 1 discloses that a latch rod 7 moves into a latch hole 10 to lock a sliding door 1.
- Patent Literature 1 Japanese Patent Application Publication No. 2004-324159
- a manual locking device having the features of claim 1.
- a manual locking device comprises: a transmission mechanism for transmitting a driving force from a drive source to a door leaf to cause the door leaf to move between a fully open position and a fully closed position; at least one moving portion provided on the transmission mechanism and configured to move in synchronization with opening and closing of the door leaf; a restraining portion configured to contact with the at least one moving portion to restrain movement of the at least one moving portion in an opening-closing direction of the door leaf; an operation portion configured to be manually operated to produce an operating force; and a locking portion configured to accomplish locking when the door leaf is at the fully closed position, by moving the restraining portion by the operating force of the operation portion from an unlocking position in which the movement of the at least one moving portion is not restrained to a locking position in which the movement of the at least one moving portion is restrained.
- the at least one moving portion may comprise a plurality of moving portions each connected to associated one of the door leaves of a double sliding door, and the locking portion may lock the plurality of moving portions simultaneously by the operating force of the operation portion.
- the transmission mechanism may include a coupled moving portion configured to move integrally with the at least one moving portion.
- the operation portion may include an input portion configured to receive operational input applied vertically upward.
- the moving portion which moves integrally with the door leaf but is positioned halfway within the transmission mechanism, is locked by the restraining portion to prevent opening and closing of the door leaf. Therefore, locking can be accomplished with a smaller restraining force than in the case where the door leaf is locked directly.
- the driving force is restrained from being transmitted to the door leaf, by contact with the moving portion provided on the transmission mechanism for transmitting the driving force to the door leaf.
- Fig. 1 is a schematic view around a doorway of a railway vehicle in the present embodiment as viewed from the vehicle width direction.
- Fig. 2 is a front view showing an open state in the railway vehicle door device and the manual locking device according to the present invention.
- Fig. 3 is a perspective view around a locking portion of the manual locking device in the present embodiment.
- Fig. 4 is a perspective view around a locking portion of the manual locking device in the present embodiment.
- the reference sign 100 denotes a railway vehicle door device.
- a railway vehicle door device 100 is disposed above a doorway 200.
- the railway vehicle door device 100 includes a manual locking device 101.
- the railway vehicle door device 100 includes a double door 2, a drive source 3, a transmission mechanism 4, a moving portion 5, a restraining portion 6, an operation portion 7, a locking portion 8, and a lock restraining portion 9.
- the transmission mechanism 4, the moving portion 5, the restraining portion 6, the operation portion 7, the locking portion 8, and the lock restraining portion 9 constitute the manual locking device 101.
- the Y direction corresponds to the width direction of the vehicle.
- the X direction corresponds to the front-rear direction of the vehicle.
- the Z direction represents the height direction of the vehicle (the direction of gravity) orthogonal to the Y direction and the X direction.
- the side indicated by the arrow in each of the Y direction, the X direction, and the Z direction is referred to as the positive side, and the side opposite to the side indicated by the arrow is referred to as the negative side.
- the positive Y side corresponds to the inside in the vehicle width direction (the direction from the outside toward the vehicle), and the negative Y side corresponds to the outside in the vehicle width direction (the direction from the vehicle toward the outside).
- the positive Z side corresponds to the upper side in the direction of gravity, and the negative Z side corresponds to the lower side in the direction of gravity.
- the railway vehicle door device 100 includes a double door 2 for sliding in the X direction to open and close the doorway 200.
- the door 2 includes door leaves 10 and door hangers (coupled moving portions) 11 coupled to the door leaves 10.
- the door 2 move along guide rails (not shown) in an opening-closing path for opening and closing the doorway 200 of the vehicle.
- the door leaves 10 reciprocates in the X direction between the fully closed position and the fully open position.
- the door 2 is opened and closed by a driving force from the drive source 3.
- the drive source 3 outputs the driving force for moving the door 2.
- the drive source 3 is a motor.
- the output shaft of the motor rotates about an axis along the X direction.
- the output shaft of the motor can rotate about an axis along the X direction (in the forward and reverse directions).
- the forward and reverse rotation of the motor causes the door leaves 10 to reciprocate in the X direction between the fully closed position and the fully open position.
- the transmission mechanism 4 transmits the driving force from the drive source 3 to the door leaves 10 to cause the door leaves 10 to move between the fully open position and the fully closed position.
- the transmission mechanism 4 includes, for example, a power converting mechanism 41 and an endless belt 42.
- the power converting mechanism 41 converts the direction of the driving force from the drive source 3, and the belt 42 extends in the front-rear direction of the vehicle (the X direction).
- the power transmission mechanism 41 converts the rotation of the output shaft of the motor about the axis along the X direction into rotation about the axis along the width direction of the vehicle (the Y direction).
- the power transmission mechanism 41 includes a gear 43 that rotates about the axis along the width direction of the vehicle (the Y direction).
- a pulley 44 is provided at a position distant from the gear 43 in the X direction.
- the pulley 44 can rotate about the axis parallel to the rotation axis of the gear 43 (the axis along the Y direction).
- the belt 42 is stretched between the gear 43 and the pulley 44.
- the belt 42 runs (rotates) around the gear 43 and the pulley 44 in association with the rotation of the gear 43.
- the moving portion 5, which moves along with the belt 42, is attached to the belt 42.
- the moving portion 5 reciprocates in the front-rear direction of the vehicle (the X direction).
- the moving portion 5 is connected with the door hangers 11.
- the door hangers 11 move along guide rails (not shown) in an opening-closing path.
- the moving portion 5 reciprocates in the front-rear direction of the vehicle (the X direction) between a full closing associated position and a full opening associated position in association with the movement of the door leaves 10 between the fully closed position and the fully open position.
- the moving portion 5 is attached to the outer side of the belt 42 stretched between the gear 43 and the pulley 44.
- the positions enclosed by the belt 42 and located proximate to the gear 43 and the pulley 44 are referred to as the inside of the belt.
- the positions opposite to the gear 43 and the pulley 44 with respect to the belt 42 are referred to as the outside of the belt.
- the full closing associated position and the full opening associated position of the moving portion 5 are located between the gear 43 and the pulley 44 in the front-rear direction of the vehicle (the X direction).
- the moving portion 5 includes an upper moving portion 51 attached to the upper side of the belt 42 and a lower moving portion 52 attached to the lower side of the belt 42.
- the full closing associated position of the upper moving portion 51 is a right side position proximate to the pulley 44 in the front-rear direction of the vehicle (the X direction).
- the full opening associated position of the upper moving portion 51 is a left side position proximate to the gear 43.
- the full opening associated position of the lower moving portion 52 is a right side position proximate to the pulley 44 in the front-rear direction of the vehicle (the X direction).
- the full closing associated position of the lower moving portion 52 is a left side position proximate to the gear 43.
- the door leaf 10 shown in the left side of Fig. 2 is connected to the upper moving portion 51 via the door hanger 11.
- the door leaf 10 shown in the right side of Fig. 2 is connected to the lower moving portion 52 via the door hanger 11.
- the upper moving portion 51 and the lower moving portion 52 move in opposite directions for the same distance in accordance with the running of the belt 42 in the front-rear direction of the vehicle (the X direction). Accordingly, the full closing associated position of the upper moving portion 51 and the full closing associated position of the lower moving portion 52 are at the same distance in the front-rear direction of the vehicle (the X direction) from the center of the doorway 200. Likewise, the full opening associated position of the upper moving portion 51 and the full opening associated position of the lower moving portion 52 are at the same distance in the front-rear direction of the vehicle (the X direction) from the center of the doorway 200. Both the upper moving portion 51 and the lower moving portion 52 have a rectangular outer shape as viewed from the width direction of the vehicle (the Y direction).
- the restraining portion 6 includes a right restraining portion 61 and a left restraining portion 62 that are associated with the upper moving portion 51 and the lower moving portion 52.
- the terms "right” and “left” are defined based on Fig. 2 and used for convenience.
- the right restraining portion 61 is rotatably supported by a rotating shaft 61a having a rotational axis extending in the Y direction. The right restraining portion 61 rotates about the rotating shaft 61a to move between a locking position and an unlocking position.
- the rotating shaft 61a is positioned proximate to the upper moving portion 51 located at its full closing associated position. As viewed from the Y direction, the rotating shaft 61a is positioned proximate in the negative Z direction and the negative X direction to the upper moving portion 51 located at its full closing associated position.
- the right restraining portion 61 includes a first arm 61b and a second arm 61c that extend in opposite directions from the rotating shaft 61a.
- the right restraining portion 61 rotates between the unlocking position in which the first arm 61b and the second arm 61c extend in the X direction and the locking position in which the first arm 61b and the second arm 61c extend in the Z direction.
- the right restraining portion 61 rotates clockwise by about 90° about the rotating shaft 61a from the unlocking position shown in Fig. 2 to the locking position.
- the first arm 61b In the unlocking position, the first arm 61b is positioned to extend in the negative X direction from the rotating shaft 61a. In the locking position, the first arm 61b is positioned to extend in the positive Z direction from the rotating shaft 61a. When in the unlocking position, the first arm 61b is positioned inside the belt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, the first arm 61b rotates to a position outside the belt 42, as viewed from the Y direction.
- the first arm 61b includes a movement restraining portion 61d that, in the locking position, contacts with the upper moving portion 51 to prevent the movement of the upper moving portion 51 in the negative X direction.
- the movement restraining portion 61d contacts with a front surface 51a of the upper moving portion 51 facing the negative X direction (see Fig. 7 described later).
- the movement restraining portion 61d is positioned outside the belt 42 and at such a distance from the rotating shaft 61a as to contact with the front surface 51a of the upper moving portion 51.
- the movement restraining portion 61d is positioned at the upper surface of first arm 61b facing the positive Z direction.
- the movement restraining portion 61d has a surface shaped to be parallel with the front surface 51a of the upper moving portion 51 at the locking position, so as to maximize the area of contact with the front surface 51a of the upper moving portion 51.
- the movement restraining portion 61d has a surface that extends along the YZ direction at the locking position.
- the rotating shaft 61a is positioned proximate in the negative X direction to the front surface 51a of the upper moving portion 51 located at its full closing associated position.
- the first arm 61b is connected with the locking portion 8 (described later) via a rotating shaft 61f provided at a distance from the rotating shaft 61a.
- the rotating shaft 61f has a rotational axis extending in parallel with the rotating shaft 61a, or in the Y direction.
- the movement restraining portion 61d is positioned in the positive Z direction relative to the rotating shaft 61f.
- the rotating shaft 61f is positioned in the positive Z direction relative to the rotating shaft 61a.
- the second arm 61c is positioned to extend in the positive X direction from the rotating shaft 61a.
- the second arm 61c is positioned to extend in the negative Z direction from the rotating shaft 61a.
- the second arm 61c is positioned inside the belt 42, as viewed from the Y direction.
- the second arm 61c rotates to a position at which it does not contact or interfere with the belt 42, as viewed from the Y direction.
- the second arm 61c includes an engaged portion 61e that, in the unlocking position, contacts with the lock restraining portion 9 (described later) to prevent the clockwise rotational movement of the right restraining portion 61 relative to the rotating shaft 61a.
- the engaged portion 61e is in contact with the lock restraining portion 9, the right restraining portion 61 is restrained by the lock restraining portion 9 and prevented from rotating.
- the left restraining portion 62 is point-symmetric to the right restraining portion 61. Specifically, as viewed from the Y direction, the left restraining portion 62 and the right restraining portion 61 are point-symmetric to each other with respect to the middle point between the rotational axis of the gear 43 and the rotational axis of the pulley 44.
- the left restraining portion 62 is rotatably supported by a rotating shaft 62a having a rotational axis extending in the Y direction. The left restraining portion 62 rotates about the rotating shaft 62a to move between a locking position and an unlocking position.
- the left restraining portion 62 contacts with the lower moving portion 52, and in the unlocking position, the left restraining portion 62 does not contact with the lower moving portion 52 and does not prevent the movement of the lower moving portion 52.
- the rotating shaft 62a is positioned proximate to the lower moving portion 52 located at its full closing associated position. As viewed from the Y direction, the rotating shaft 62a is positioned proximate in the positive Z direction and the positive X direction to the lower moving portion 52 located at its full closing associated position.
- the left restraining portion 62 includes a first arm 62b and a second arm 62c that extend in opposite directions from the rotating shaft 62a.
- the left restraining portion 62 rotates between the unlocking position in which the first arm 62b and the second arm 62c extend in the X direction and the locking position in which the first arm 62b and the second arm 62c extend in the Z direction.
- the left restraining portion 62 rotates clockwise by about 90° about the rotating shaft 62a from the unlocking position shown in Fig. 2 to the locking position.
- the first arm 62b In the unlocking position, the first arm 62b is positioned to extend in the positive X direction from the rotating shaft 62a. In the locking position, the first arm 62b is positioned to extend in the negative Z direction from the rotating shaft 62a. When in the unlocking position, the first arm 62b is positioned inside the belt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, the first arm 62b rotates to a position outside the belt 42.
- the first arm 62b includes a movement restraining portion 62d that, in the locking position, contacts with the lower moving portion 52 to prevent the movement of the lower moving portion 52 in the positive X direction.
- the movement restraining portion 62d contacts with a front surface 52a of the lower moving portion 52 facing the positive X direction (see Fig. 7 described later).
- the movement restraining portion 62d is positioned outside the belt 42 and at such a distance from the rotating shaft 62a as to contact with the front surface 52a of the lower moving portion 52.
- the movement restraining portion 62d is positioned at the lower surface of first arm 62b facing the negative Z direction.
- the movement restraining portion 62d has a surface shaped to be parallel with the front surface 52a of the lower moving portion 52 at the locking position, so as to maximize the area of contact with the front surface 52a of the lower moving portion 52.
- the movement restraining portion 62d has a surface that extends along the YZ direction at the locking position.
- the rotating shaft 62a is positioned proximate in the positive X direction to the front surface 52a of the lower moving portion 52 located at its full closing associated position.
- the first arm 62b is connected with the locking portion 8 (described later) via a rotating shaft 62f provided at a distance from the rotating shaft 62a.
- the rotating shaft 62f has a rotational axis extending in parallel with the rotating shaft 62a, or in the Y direction.
- the movement restraining portion 62d is positioned in the negative Z direction relative to the rotating shaft 62f.
- the rotating shaft 62f is positioned in the negative Z direction relative to the rotating shaft 62a.
- the second arm 62c is positioned to extend in the negative X direction from the rotating shaft 62a.
- the second arm 62c is positioned to extend in the positive Z direction from the rotating shaft 62a.
- the second arm 62c is positioned inside the belt 42, as viewed from the Y direction.
- the second arm 62c rotates to a position at which it does not contact or interfere with the belt 42.
- the second arm 62c includes an engaged portion 62e that, in the unlocking position, contacts with the lock restraining portion 9 (described later) to prevent the clockwise rotational movement of the left restraining portion 62 relative to the rotating shaft 62a.
- the engaged portion 62e is in contact with the lock restraining portion 9, the left restraining portion 62 is restrained by the lock restraining portion 9 and prevented from rotating.
- the operation portion 7 is manually operated to produce an operating force for operating the locking portion 8. As shown in Figs. 3 and 4 , the operation portion 7 includes an input portion 71 and a conversion portion 72.
- the input portion 71 receives an operating force input manually, and the conversion portion 72 converts the direction of the operating force input through the input portion 71 and transmits the operating force to the locking portion 8.
- the input portion 71 is disposed at the middle of the doorway 200 in the X direction (see Fig. 1 ).
- the input portion 71 is positioned above the door leaves 10.
- the input portion 71 includes an input shaft 71a that is rotated in mesh with a locking key (not shown).
- the input shaft 71a has a rotational axis extending along the Z direction, and receives the operating force input at its lower end vertically upward.
- the input shaft 71a is positioned at an equal distance from the rotational axis of the gear 43 and the rotational axis of the pulley 44 in the X direction.
- the input shaft 71a is disposed at the middle of the doorway 200 in the X direction.
- the conversion portion 72 includes bevel gears 71b, 72b that transmit rotation between the input shaft 71a and a rotating shaft 81a of the locking portion 8 (described later), while changing the direction of transmission.
- the bevel gear 71b is disposed around the upper end of the input shaft 71a.
- the bevel gear 72b is disposed on the rotating shaft 81a of the locking portion 8 (described later).
- the rotating shaft 81a has a rotational axis extending along the Y direction.
- the bevel gear 71b and the bevel gear 72b mesh with each other and transmit rotation from the input shaft 71a to the rotating shaft 81a.
- the locking portion 8 includes a first link 81 that rotates about the rotating shaft 81a, a right second link (second link) 82 connected at one end thereof to an end portion of the first link 81, and a left second link (second link) 83.
- the rotating shaft 81a has a rotational axis extending along the Y direction.
- the rotating shaft 81a is disposed at the middle of the doorway 200 in the X direction.
- the rotating shaft 81a is positioned at an equal distance from the rotational axis of the gear 43 and the rotational axis of the pulley 44 in the X direction.
- the rotating shaft 81a is positioned inside the belt 42 as viewed from the Y direction.
- the first link 81 includes an arm 81b and an arm 81c.
- the arm 81b extends toward the positive X direction
- the arm 81c extends toward the negative X direction
- the center of these arms is at the rotating shaft 81a.
- the first link 81 can rotate by 180° between the unlocking position and the locking position thereof with its rotational center positioned at the rotating shaft 81a,
- the arms 81b, 81c extend along the X direction toward the directions opposite to each other so as to be centered at the rotating shaft 81a, while in the locking position, the arms 81b, 81c extend along the X direction toward the opposite directions than in the unlocking position.
- the distal end of the arm 81b is connected with one end of the left second link (second link) 83 via a rotating shaft 81d.
- the distal end of the arm 81c is connected with one end of the right second link (second link) 82 via a rotating shaft 81e.
- a stopping portion 81g is formed at a position more distant from the rotating shaft 81a than is the rotating shaft 81e. In the locking position, the stopping portion 81g stops the first link 81 and immobilize the rotational position thereof. In the locking position, the stopping portion 81g abuts against a stop restraint portion 84 to be immobilized.
- the arm 81c includes at the distal end thereof a switch pressing portion that contacts with a locking switch 103.
- the switch pressing portion may be provided by the stopping portion 81g.
- the locking switch 103 which is turned ON by contact with the switch pressing portion, detects that the first link 81 is in the locking position. In other words, the locking switch 103 detects that the moving portion 5 is in the full closing associated position, and the restraining portion 6 is in the locking position.
- the locking switch 103 can be used as a switch for detecting full closing of the door in normal vehicle operation.
- the rotating shaft 81d is positioned at a distance from the rotating shaft 81a in the positive X direction.
- the rotating shaft 81e is positioned at a distance from the rotating shaft 81a in the negative X direction.
- the distance between the rotating shaft 81d and the rotating shaft 81a is equal to the distance between the rotating shaft 81e and the rotating shaft 81a.
- the left second link (second link) 83 is connected at the other end thereof with the left restraining portion 62 via the rotating shaft 62f such that the left restraining portion 62 is rotatable. In the unlocking position, the left second link (second link) 83 extends in the negative X direction from the rotating shaft 81d.
- the right second link (second link) 82 is connected at the other end thereof with the right restraining portion 61 via the rotating shaft 61f such that the right restraining portion 61 is rotatable. In the unlocking position, the right second link (second link) 82 extends in the positive X direction from the rotating shaft 81e.
- the arm 81b In the unlocking position, the arm 81b extends in the positive X direction from the rotating shaft 81a, and the left second link (second link) 83 extends in the negative X direction from the rotating shaft 81d. Also, in the unlocking position, the arm 81b and the left second link (second link) 83 are parallel and overlap each other as viewed from the Y direction. Therefore, the left second link (second link) 83 includes a curved portion 83a at a position proximate to the rotating shaft 81d. The curved portion 83a is curved from the rotating shaft 81d in the negative Z direction to extend round the rotating shaft 81e.
- the arm 81c extends in the negative X direction from the rotating shaft 81a
- the right second link (second link) 82 extends in the positive X direction from the rotating shaft 81e.
- the arm 81c and the right second link (second link) 82 are parallel and overlap each other as viewed from the Y direction. Therefore, the right second link (second link) 82 includes a curved portion 82a at a position proximate to the rotating shaft 81e.
- the curved portion 82a is curved from the rotating shaft 81e in the positive Z direction to extend round the rotating shaft 81d.
- the rotating shaft 81a, the rotating shaft 81d, the rotating shaft 81e, the rotating shaft 61f, and the rotating shaft 62f extend along the Y direction and are parallel to one another.
- the arm 81b, the left second link (second link) 83, and the left restraining portion 62 form a lock link for restraining the movement of the lower moving portion 52 at the full closing associated position.
- the arm 81c, the right second link (second link) 82, and the right restraining portion 61 form a lock link for restraining the movement of the upper moving portion 51 at the full closing associated position.
- the operating force input through the operation portion 7 causes the first link 81 to rotate clockwise as viewed in Fig. 2 to abut against the stop restraint portion 84, such that the locking portion 8 is put into the locking position.
- the fist link 81 is in a horizontal position, in which the arm 81b extends along the negative X direction, and the arm 81c rotates about the rotating shaft 81a to such a position as to extend toward the positive X direction.
- the rotating shaft 61f is positioned above the rotating shaft 81e in the Z direction.
- the rotating shaft 62f is positioned below the rotating shaft 81d in the Z direction.
- the first link 81 and the second links 82, 83 rotate beyond the dead center at which they are in a linear arrangement. Accordingly, when returning from the locking position to the unlocking position, the first link 81 and the second links 82, 83 need to rotate beyond the dead center again.
- the locking portion 8 is in the unlocking position.
- the lock restraining portion 9 allows locking by the locking portion 8. As shown in Figs. 2 to 4 , the lock restraining portion 9 includes a right lock restraining portion 91 and a left lock restraining portion 92.
- the right lock restraining portion 91 can restrain locking accomplished by the right restraining portion 61.
- the right lock restraining portion 91 is rotatably supported by a rotating shaft 91a having a rotational axis extending in the Y direction.
- the right lock restraining portion 91 rotates about the rotating shaft 91a to move between a lock-enabled position at which the right lock restraining portion 91 is contacted and pressed by the upper moving portion 51 and a lock-disabled position at which the right lock restraining portion 91 is not contacted or pressed by the upper moving portion 51.
- the rotating shaft 91a is positioned inside the belt 42 as viewed from the Y direction.
- the rotating shaft 91a is positioned proximate to the upper moving portion 51 located at its full closing associated position. As viewed from the Y direction, the rotating shaft 91a is positioned proximate in the negative Z direction to the upper moving portion 51 located at its full closing associated position, and the rotating shaft 91a is aligned in the X direction with the upper moving portion 51 located at its full closing associated position.
- a torsion spring (not shown) is attached to the rotating shaft 91a so as to encircle it. The torsion spring biases the right lock restraining portion 91 counterclockwise around the rotating shaft 91a as viewed in Fig. 2 .
- the right lock restraining portion 91 is formed of a cam including a first arm 91b and an engaging portion 91h.
- the first arm 91b extends from the rotating shaft 91a in the positive Z direction, and the engaging portion 91h projects in the negative X direction at the proximal end side of the first arm 91b.
- the first arm 91b includes at the distal end thereof a pressed portion 91d to be contacted by the upper moving portion 51 and thereby pressed by the upper moving portion 51.
- the pressed portion 91d projects in the negative X direction from the distal end of the first arm 91b extending in the positive Z direction from the rotating shaft 91a.
- the first arm 91b rotates about the rotating shaft 91a from the lock-disabled position to the lock-enabled position.
- the upper moving portion 51 moves in the positive X direction
- the pressed portion 91d is contacted and pressed by the front surface 51b of the upper moving portion 51 that is facing forward.
- the torsion spring around the rotating shaft 91a causes the first arm 91b to return from the lock-enabled position to the lock-disabled position.
- the right lock restraining portion 91 can rotate about the rotating shaft 91a between the lock-disabled position at which the distal end of the first arm 91b extends in the positive Z direction and the lock-enabled position at which the distal end of the first arm 91b is tilted toward the positive X direction as compared to the lock-disabled position.
- the right lock restraining portion 91 moves from the lock-disabled position shown in Fig. 2 to the lock-enabled position by rotating clockwise about the rotating shaft 91a (see Figs. 5 to 7 described later).
- the engaging portion 91h contacts with the engaged portion 61e to prevent the rotational movement of the right restraining portion 61.
- the engaging portion 91h is separated from the engaged portion 61e and does not prevent the movement of the right restraining portion 61.
- the upper moving portion 51 pressing the pressed portion 91d causes the first arm 91b to rotate to the lock-enabled position, and thus the engaging portion 91h comes out of contact with the engaged portion 61e, and locking by the right restraining portion 61 is enabled.
- the left lock restraining portion 92 is point-symmetric to the right lock restraining portion 91. Specifically, as viewed from the Y direction, the left lock restraining portion 92 and the right lock restraining portion 91 are point-symmetric to each other with respect to the middle point between the rotational axis of the gear 43 and the rotational axis of the pulley 44.
- the left lock restraining portion 92 can restrain locking accomplished by the left restraining portion 62.
- the left lock restraining portion 92 is rotatably supported by a rotating shaft 92a having a rotational axis extending in the Y direction.
- the left lock restraining portion 92 rotates about the rotating shaft 92a to move between a lock-enabled position at which the left lock restraining portion 92 is contacted and pressed by the lower moving portion 52 and a lock-disabled position at which the left lock restraining portion 92 is not contacted or pressed by the lower moving portion 52.
- the rotating shaft 92a is positioned inside the belt 42 as viewed from the Y direction.
- the rotating shaft 92a is positioned proximate to the lower moving portion 52 located at its full closing associated position.
- the rotating shaft 92a is positioned proximate in the positive Z direction to the lower moving portion 52 located at its full closing associated position, and the rotating shaft 92a is aligned in the X direction with the lower moving portion 52 located at its full closing associated position.
- a torsion spring (not shown) is attached to the rotating shaft 92a so as to encircle it. The torsion spring biases the left lock restraining portion 92 counterclockwise around the rotating shaft 92a as viewed in Fig. 2 .
- the left lock restraining portion 92 is formed of a cam including a first arm 92b, a second arm 92c, and an engaging portion 92h.
- the first arm 92b extends from the rotating shaft 92a in the negative Z direction
- the second arm 92c extends from the rotating shaft 92a in the positive Z direction
- the engaging portion 92h projects in the positive X direction at the proximal end side of the first arm 92b.
- the first arm 92b includes at the distal end thereof a pressed portion 92d to be contacted by the lower moving portion 52 and thereby pressed by the lower moving portion 52.
- the pressed portion 92d projects in the positive X direction from the distal end of the first arm 92b extending in the negative Z direction from the rotating shaft 92a.
- the first arm 92b rotates about the rotating shaft 92a from the lock-disabled position to the lock-enabled position.
- the pressed portion 92d is contacted and pressed by the front surface 52b of the lower moving portion 52 that is facing forward.
- the torsion spring around the rotating shaft 92a causes the first arm 92b to return from the lock-enabled position to the lock-disabled position.
- the second arm 92c includes at the distal end thereof a switch pressing portion 92e that contacts with a full closing switch 102.
- the full closing switch 103 which is turned ON by contact with the switch pressing portion 92e, detects that the lower moving portion 52 is in the full closing associated position, and the left lock restraining portion 92 is in the lock-enabled position.
- the full closing switch 102 detects that the moving portion 5 is in the full closing associated position, and the lock restraining portion 9 is in the lock-enabled position.
- the left lock restraining portion 92 can rotate about the rotating shaft 92a between the lock-disabled position at which the distal end of the first arm 92b extends in the negative Z direction and the lock-enabled position at which the distal end of the first arm 92b is tilted toward the negative X direction as compared to the lock-disabled position.
- the left lock restraining portion 92 moves from the lock-disabled position shown in Fig. 2 to the lock-enabled position by rotating clockwise about the rotating shaft 92a (see Figs. 5 to 7 described later).
- the engaging portion 92h contacts with the engaged portion 62e to prevent the rotational movement of the left restraining portion 62.
- the engaging portion 92h is separated from the engaged portion 62e and does not prevent the movement of the left restraining portion 62.
- the lower moving portion 52 pressing the pressed portion 92d causes the first arm 92b to rotate to the lock-enabled position, and thus the engaging portion 92h comes out of contact with the engaged portion 62e, and locking by the left restraining portion 62 is enabled.
- the second arm 92c rotates integrally with the first arm 92b, and thus the switch pressing portion 92e contacts with the full closing switch 102.
- the full closing switch 102 detects that the lower moving portion 52 is in the full closing associated position, and outputs an indication of this.
- the full closing switch 102 is connected to an interlock circuit that transmits a full closing signal when all the doors 2 are fully closed. Also, the full closing switch 102 is connected so as to be constantly able to transmit a full closing signal bypassing the interlock circuit when locking by the locking portion 8 is accomplished.
- the moving portion 5 is not in contact with the lock restraining portion 9 when the door 2 is open as shown in Fig. 2 or at least when the door 2 is not fully closed. Therefore, the lock restraining portion 9 remains in the lock-disabled position, and the lock restraining portion 9 keeps restraining the operation of the restraining portion 6. Accordingly, the restraining portion 6 remains in the unlocking position, and thus manual locking is restrained.
- the moving portion 5 is in contact with the lock restraining portion 9, and thus the lock restraining portion 9 is in the lock-enabled position.
- the lock restraining portion 9 ceases restraining the operation of the restraining portion 6.
- the full closing switch 102 detects that the door leaves 10 have reached the fully closed position.
- the first link 81 of the locking portion 8 rotates from the unlocking position shown in Figs. 2 to 5 via the halfway position shown in Fig. 6 to the locking position shown in Fig. 7 .
- the stopping portion 81g abuts against the stop restraint portion 84 and stops the rotation at the locking position.
- the second links 82, 83, the right restraining portion 61, and the left restraining portion 62 also rotate in association with the rotation of the first link 81. In the locking position shown in Fig.
- the second links 82, 83 are oriented such that the rotating shafts 61f, 62f at the end portions on the restraining portion 6 side are at a larger distance in the Z direction from the first link 81 than the rotating shafts 81d, 81e at the end portions on the first link 81 side.
- the right second link 82 in the locking position has rotated by an angle ⁇ 2 beyond 180° about the rotating shaft 81e, relative to the first link 81.
- the left second link 83 in the locking position has rotated by an angle ⁇ 3 beyond 180° about the rotating shaft 81d, relative to the first link 81.
- the right second link 82 is tilted upward about the rotating shaft 81e by the angle ⁇ 2 beyond the horizontal direction, relative to the first link 81. This is because the right restraining portion 61 has rotated to the locking position in which the rotating shaft 61f of the right restraining portion 61 is positioned outside the belt 42 and the rotating shaft 61f is positioned in the positive Z direction relative to the rotating shaft 61a.
- the left second link 83 is tilted downward about the rotating shaft 81d by the angle ⁇ 3 beyond the horizontal direction, relative to the first link 81. This is because the left restraining portion 62 has rotated to the locking position in which the rotating shaft 62f of the left restraining portion 62 is positioned outside the belt 42 and the rotating shaft 62f is positioned in the negative Z direction relative to the rotating shaft 62a. In the locking position, if the door 2 tries to open, the moving portion 5 will try to move from the full closing associated position. In this case, the moving portion 5 tries to move toward the full opening associated position.
- the movement restraining portion 61d is pressed in the negative X direction by the front surface 51a of the upper moving portion 51.
- the right restraining portion 61 then receives a force for rotating counterclockwise about the rotating shaft 61a, as viewed from the positive Y direction.
- This force is transmitted to the second link 82 of the locking portion 8.
- the above force acts along the axis of the second link 82 and is transmitted through the rotating shaft 81e to the first link 81.
- the right second link 82 is at an angular position beyond the dead center relative to the first link 81. Therefore, the line of action of the force for opening the door 2 that is transmitted through the right second link 82 to the first link 81 runs toward the rotational direction for locking, and the rotation of the first link 81 is restrained by the stop restraint portion 84.
- the movement restraining portion 62d is pressed in the positive X direction by the front surface 52a of the lower moving portion 52.
- the left restraining portion 62 then receives a force for rotating counterclockwise about the rotating shaft 62a, as viewed from the positive Y direction.
- This force is transmitted to the second link 83 of the locking portion 8.
- the above force acts along the axis of the second link 83 and is transmitted through the rotating shaft 81d to the first link 81.
- the left second link 83 is at an angular position beyond the dead center relative to the first link 81. Therefore, the line of action of the force for opening the door 2 that is transmitted through the left second link 83 to the first link 81 runs toward the rotational direction for locking, and the rotation of the first link 81 is restrained by the stop restraint portion 84.
- the second links 82, 83 need to be rotated beyond the dead center in order to be rotated in the direction for unlocking. Accordingly, the manual locking can be maintained without need of additional components.
- this locking arrangement across the dead center is maintained with the first link 81 and the second links 82, 83 arranged point-symmetric with respect to the rotating shaft 81a as viewed from the Y direction. Therefore, even when the pressing force of the moving portion 5 or the pressing force of the restraining portion 6 in the direction for unlocking is large, the locking can be readily maintained.
- the upper moving portion 51 and the lower moving portion 52 of the moving portion 5 attached to the belt 42 of the transmission mechanism 4 that moves integrally with the door leaves 10 are locked simultaneously by the right restraining portion 61 and the left restraining portion 62 of the restraining portion 6, respectively, to prevent the door leaves 10 from opening and closing.
- the lock restraining portion 9 abuts against the restraining portion 6 to prevent manual locking operation.
- the lock restraining portion 9 is not separated from the restraining portion 6 until the manual locking device 101 is in the fully closed state in which the door leaves 10 are in the fully closed position. Therefore, when the door leaves 10 are not in the fully closed position, the manual locking can be prevented.
- the door leaves 10 of the double door can be locked simultaneously by the key operation on the operation portion 7, and the locking can be maintained.
- the locking is prevented when the door leaves 10 are not in the fully closed position, it is possible to prevent malfunctions and improve the security.
- the locking can be secured with smaller components and with a smaller restraining force, as compared to the mechanism in which the door leaves 10 are locked directly.
- the lock restraining portion 9 contacted by the moving portion 5 moves from the lock restraining position to the lock permitting position, allowing the locking operation of the restraining portion 6 and the locking portion 8. Therefore, the manual locking is allowed only at the fully closed position, without having to install a lock restraining portion (blank panel) over the entire region in the opening-closing direction.
- the manual locking device of the present invention includes a lock restraining portion that allows locking by the locking portion only when the door leaves are at the fully closed position. Since locking is not allowed when the door leaves are not in the fully closed position, the security can be improved.
- the restraining portion includes an engaged portion.
- the lock restraining portion includes an engaging portion and a pressed portion.
- the engaging portion is configured to contact with the engaged portion to prevent movement of the restraining portion, and the pressed portion is pressed by the moving portion in the closing direction when the door leaves reach the fully closed position, such that the engaging portion comes out of contact with the engaged portion.
- the lock restraining portion is formed of a cam including the pressed portion and the engaging portion.
- the cam rotates when the pressed portion is pressed, such that the engaging portion comes out of contact with the engaged portion. This makes it possible to secure the switching between the state in which the engaging portion is in contact with the engaged portion and the state in which the engaging portion is out of contact with the engaged portion.
- the manual locking device of the present invention may include a full closing switch for detecting that the door leaves have reached the fully closed position.
- the cam may further include a switch pressing portion that rotates when the pressed portion is pressed, to press the full closing switch. This makes it possible to detect that the door leaves are in the fully closed state without having to detect the position of the door leaves directly.
- the manual locking device of the present invention may be installed on a plurality of doors for opening and closing a plurality of doorways of a railway vehicle.
- the full closing switch may be connected to an interlock circuit that transmits a full closing signal when all the doors 2 are fully closed.
- the full closing switch may be connected so as to be constantly able to transmit a full closing signal bypassing the interlock circuit when locking by the locking portion is accomplished by manual operation of the operation portion. This makes it possible to detect the locking in an emergency in which the locking is accomplished by manual operation.
- the full closing switch can be used for detecting the fully closed state in normal opening and closing operation of the door.
- the locking device may include a first link and a second link.
- the first link may rotate by an operating force of the operation portion, and the second link may be connected at one end thereof to an end portion of the first link and is connected at the other end thereof to the restraining portion.
- the first link may rotate from the unlocking position toward the locking position, such that the first link and the second link enter the locking position beyond the dead center. Since the locking is accomplished at the position at which the angle between the first link and the second link is beyond the dead center, there is no need of providing a component for fixing the first link and the second link at the locking position, and it is possible to secure the locking.
- the second link in the locking position may extend along the moving direction of the moving portion.
- the restraining portion connected with the second link may be in contact with a portion of the moving portion facing toward the full opening associated position.
- the restraining portion restrains the moving portion by directly contacting with a portion of the moving portion facing forward in the moving direction from the fully closed position at the end of the range of movement of the moving portion, and thus it is possible to restrain the movement effectively.
- the moving portion may include a plurality of moving portions each connected to associated one of the door leaves of a double sliding door, and the locking portion may lock the plurality of moving portions simultaneously by an operating force of the operation portion. This makes it possible to simultaneously lock the door leaves of the double door, preventing that one of the door leaves is not locked.
- the operation portion may be disposed in the middle of the door leaves of a double door in the moving direction of the moving portion. This makes it possible to simultaneously lock the door leaves of the double door, improving the ease of operation.
- the transmission mechanism may include a coupled moving portion that moves integrally with the moving portion. This makes it possible to secure the locking when the transmission mechanism for transmitting the driving force is of the wound belt type, the rack-and-pinion type, the screw type, the linear motor type, or the electric cylinder type, whether the moving portion moves integrally with the above mechanism or with the door hanger.
- the operation portion may include an input portion that receives operational input applied vertically upward. This improves the ease of locking operation.
- the operation portion may include a conversion portion for converting an operating force input vertically upward through the input portion into a force in a lateral direction intersecting the moving direction of the moving portion. This makes it possible to build in the operation portion to the position above the door of the doorway, which requires smaller space. Also, since the key hole in the operation portion is invisible from the middle of the vehicle in the vehicle width direction, the design can be improved.
- the OoSL mechanism may be configured for a single leaf door. It is also possible that the moving portion 5 (the upper moving portion 51, the lower moving portion 52) is not connected to the door hanger 11. In this case, the moving portion 5 (the upper moving portion 51, the lower moving portion 52) may be disposed on the belt 42 at a different position than it was connected to the door hanger 11. It is also possible that the locking portion 8 is not a link mechanism.
- the locking portion 8 may be configured such that the second arm 61c of the right restraining portion 61 and the second arm 62c of the left restraining portion 62 are simultaneously rotated to approach the rotating shaft 81a and enter the locking position. Further, in this case, the locking portion 8 may also be configured to allow rotation for return that is in the opposite direction than for locking.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
Description
- The present disclosure relates to a manual locking device and a railway vehicle door device. Specifically, the present disclosure relates to a technique suitable for use in manually locking a door in a closed state such that the door cannot be used. This technique is supposed to be used by a train crew when a door of a railway vehicle is broken down.
- In order to allow running of a railway vehicle even when a fault occurs in a door of the railway vehicle for example, it is necessary to put the door out of service. For such a case, a mechanism called OoSL (Out of Service Lock) is provided as a device for a train crew to manually lock the door of the railway vehicle in the closed state.
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GB 2 046 828 A - Furthermore, for example, in a double sliding door, it is known to lock each door leaf independently. By way of an example, Patent Literature 1 discloses that a
latch rod 7 moves into alatch hole 10 to lock a sliding door 1. - Patent Literature 1:
Japanese Patent Application Publication No. 2004-324159 - However, in the conventional technique, the door is locked by restraining its movement through contact with door leaves. Therefore, the door leaves are restrained after a driving force is transmitted from the motor to the door leaves, and thus it is required to restrain the movement of the door leaves having some degree of weight. A large restraining force is necessary to prohibit the door from moving. Thus, the restraining member is required to have a large rigidity and strength, leading to an increase of the strength and the size of the device. However, it has been demanded that the door can be locked with a smaller restraining force. Further, it has also been demanded that when one door leaf of a double sliding door is locked, the other door leaf can remain unlocked.
- One object of the present invention is to provide an OoSL technique in which a door leaf can be restrained with a smaller restraining force before a driving force is transmitted to the door leaf, as compared to the case where the door leaf having some degree of weight is restrained directly.
- Above object is achieved by a manual locking device having the features of claim 1. (1) A manual locking device according to one aspect disclosed herein comprises: a transmission mechanism for transmitting a driving force from a drive source to a door leaf to cause the door leaf to move between a fully open position and a fully closed position; at least one moving portion provided on the transmission mechanism and configured to move in synchronization with opening and closing of the door leaf; a restraining portion configured to contact with the at least one moving portion to restrain movement of the at least one moving portion in an opening-closing direction of the door leaf; an operation portion configured to be manually operated to produce an operating force; and a locking portion configured to accomplish locking when the door leaf is at the fully closed position, by moving the restraining portion by the operating force of the operation portion from an unlocking position in which the movement of the at least one moving portion is not restrained to a locking position in which the movement of the at least one moving portion is restrained.
- In the manual locking device according to one aspect of the present invention, the moving portion, which moves integrally with the door leaf but is positioned halfway within the transmission mechanism, is locked by the restraining portion to prevent opening and closing of the door leaf. Therefore, locking can be accomplished with a smaller restraining force than in the case where the door leaf is locked directly.
- The manual locking device comprises a lock restraining portion configured to allow locking by the locking portion only when the door leaf is at the fully closed position.
- The restraining portion includes an engaged portion. The lock restraining portion includes: an engaging portion configured to contact with the engaged portion to prevent movement of the restraining portion; and a pressed portion configured to be pressed by the at least one moving portion in a closing direction when the door leaf reaches the fully closed position, such that the engaging portion comes out of contact with the engaged portion.
- The lock restraining portion may be formed of a cam including the pressed portion and the engaging portion; and the cam may rotate when the pressed portion is pressed, such that the engaging portion comes out of contact with the engaged portion.
- The manual locking device may comprise a full closing switch for detecting that the door leaf has reached the fully closed position. The cam may further include a switch pressing portion configured to rotate when the pressed portion is pressed, to press the full closing switch.
- The manual locking device may be installed on each of a plurality of doors for opening and closing a plurality of doorways of a railway vehicle. The full closing switch may be connected to an interlock circuit that transmits a full closing signal when all of the plurality of doors are fully closed, and the full closing switch may be connected so as to be constantly able to transmit the full closing signal bypassing the interlock circuit when locking by the locking portion is accomplished by manual operation of the operation portion.
- The locking portion may include: a first link configured to rotate by the operating force of the operation portion; and a second link connected at one end thereof to an end portion of the first link and connected at the other end thereof to the restraining portion. The first link may rotate from the unlocking position toward the locking position, such that the first link and the second link enter the locking position beyond a dead center.
- In the locking position, the second link may extend along a moving direction of the at least one moving portion.
- When the door leaf is at the fully closed position, the restraining portion connected to the second link may be in contact with a portion of the at least one moving portion facing toward the fully open position.
- The at least one moving portion may comprise a plurality of moving portions each connected to associated one of the door leaves of a double sliding door, and the locking portion may lock the plurality of moving portions simultaneously by the operating force of the operation portion.
- The operation portion may be disposed in a middle of the door leaves of the double door in a moving direction of the at least one moving portion.
- The transmission mechanism may include a coupled moving portion configured to move integrally with the at least one moving portion.
- The operation portion may include an input portion configured to receive operational input applied vertically upward.
- The operation portion may include a conversion portion for converting an operating force input vertically upward through the input portion into a force in a lateral direction intersecting a moving direction of the at least one moving portion.
- A railway vehicle door device according to another aspect disclosed herein comprises the features of claim 13.
- In the railway vehicle door device according to the other aspect of the present invention, the moving portion, which moves integrally with the door leaf but is positioned halfway within the transmission mechanism, is locked by the restraining portion to prevent opening and closing of the door leaf. Therefore, locking can be accomplished with a smaller restraining force than in the case where the door leaf is locked directly.
- In the present invention, the driving force is restrained from being transmitted to the door leaf, by contact with the moving portion provided on the transmission mechanism for transmitting the driving force to the door leaf. This makes it possible to restrain the movement of the door leaf with a smaller force as compared to the case where the movement of the door leaf is restrained by contact with it.
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Fig. 1 is a schematic view of a doorway in an embodiment of a manual locking device and a railway vehicle door device according to the present invention. -
Fig. 2 is a front view from the vehicle width direction showing a fully closed state in the embodiment of the manual locking device and the railway vehicle door device according to the present invention. -
Fig. 3 is a perspective view around a locking portion in the embodiment of the manual locking device according to the present invention. -
Fig. 4 is a perspective view around the locking portion in the embodiment of the manual locking device according to the present invention. -
Fig. 5 is a front view from the vehicle width direction showing an open state in the embodiment of the manual locking device and the railway vehicle door device according to the present invention. -
Fig. 6 illustrates operation in progress of manual locking in the embodiment of the manual locking device according to the present invention. -
Fig. 7 illustrates a locked state in the embodiment of the manual locking device according to the present invention. - Embodiments of the manual locking device and the railway vehicle door device according to the present invention will be hereinafter described with reference to the drawings.
Fig. 1 is a schematic view around a doorway of a railway vehicle in the present embodiment as viewed from the vehicle width direction.Fig. 2 is a front view showing an open state in the railway vehicle door device and the manual locking device according to the present invention.Fig. 3 is a perspective view around a locking portion of the manual locking device in the present embodiment.Fig. 4 is a perspective view around a locking portion of the manual locking device in the present embodiment. In these drawings, thereference sign 100 denotes a railway vehicle door device. - The following description of the embodiment will be based on an example of a railway vehicle door device including a pair of double door leaves for opening and closing a doorway of a railway vehicle (a vehicle). In the following description, such terms as "parallel," "orthogonal," "center" and "coaxial" may appear to describe relative or absolute positions. These terms are not only strictly used to represent such arrangement. For example, these terms also allow some tolerances and relative differences in angle and distance as long as the same effects can be still produced. In the drawings used for the following description, members are shown to different scales into recognizable sizes.
- As shown in
Fig. 1 , a railwayvehicle door device 100 according to the present embodiment is disposed above adoorway 200. The railwayvehicle door device 100 includes amanual locking device 101. As shown inFigs. 2 to 4 , the railwayvehicle door device 100 includes adouble door 2, adrive source 3, atransmission mechanism 4, a movingportion 5, a restrainingportion 6, anoperation portion 7, a lockingportion 8, and alock restraining portion 9. Thetransmission mechanism 4, the movingportion 5, the restrainingportion 6, theoperation portion 7, the lockingportion 8, and thelock restraining portion 9 constitute themanual locking device 101. - In the following description, an orthogonal coordinate system having Y, X, and Z axes will be used as necessary. The Y direction corresponds to the width direction of the vehicle. The X direction corresponds to the front-rear direction of the vehicle. The Z direction represents the height direction of the vehicle (the direction of gravity) orthogonal to the Y direction and the X direction. In the following description, the side indicated by the arrow in each of the Y direction, the X direction, and the Z direction is referred to as the positive side, and the side opposite to the side indicated by the arrow is referred to as the negative side. The positive Y side corresponds to the inside in the vehicle width direction (the direction from the outside toward the vehicle), and the negative Y side corresponds to the outside in the vehicle width direction (the direction from the vehicle toward the outside). The positive Z side corresponds to the upper side in the direction of gravity, and the negative Z side corresponds to the lower side in the direction of gravity.
- As shown in
Fig. 1 , the railwayvehicle door device 100 includes adouble door 2 for sliding in the X direction to open and close thedoorway 200. As shown inFig. 2 , thedoor 2 includes door leaves 10 and door hangers (coupled moving portions) 11 coupled to the door leaves 10. Thedoor 2 move along guide rails (not shown) in an opening-closing path for opening and closing thedoorway 200 of the vehicle. The door leaves 10 reciprocates in the X direction between the fully closed position and the fully open position. Thedoor 2 is opened and closed by a driving force from thedrive source 3. - The
drive source 3 outputs the driving force for moving thedoor 2. For example, thedrive source 3 is a motor. The output shaft of the motor rotates about an axis along the X direction. For example, the output shaft of the motor can rotate about an axis along the X direction (in the forward and reverse directions). The forward and reverse rotation of the motor causes the door leaves 10 to reciprocate in the X direction between the fully closed position and the fully open position. - The
transmission mechanism 4 transmits the driving force from thedrive source 3 to the door leaves 10 to cause the door leaves 10 to move between the fully open position and the fully closed position. Thetransmission mechanism 4 includes, for example, apower converting mechanism 41 and anendless belt 42. Thepower converting mechanism 41 converts the direction of the driving force from thedrive source 3, and thebelt 42 extends in the front-rear direction of the vehicle (the X direction). Thepower transmission mechanism 41 converts the rotation of the output shaft of the motor about the axis along the X direction into rotation about the axis along the width direction of the vehicle (the Y direction). Thepower transmission mechanism 41 includes agear 43 that rotates about the axis along the width direction of the vehicle (the Y direction). At a position distant from thegear 43 in the X direction, apulley 44 is provided. Thepulley 44 can rotate about the axis parallel to the rotation axis of the gear 43 (the axis along the Y direction). - The
belt 42 is stretched between thegear 43 and thepulley 44. Thebelt 42 runs (rotates) around thegear 43 and thepulley 44 in association with the rotation of thegear 43. The movingportion 5, which moves along with thebelt 42, is attached to thebelt 42. The movingportion 5 reciprocates in the front-rear direction of the vehicle (the X direction). The movingportion 5 is connected with thedoor hangers 11. The door hangers 11 move along guide rails (not shown) in an opening-closing path. - The moving
portion 5 reciprocates in the front-rear direction of the vehicle (the X direction) between a full closing associated position and a full opening associated position in association with the movement of the door leaves 10 between the fully closed position and the fully open position. The movingportion 5 is attached to the outer side of thebelt 42 stretched between thegear 43 and thepulley 44. As viewed in the Y direction, the positions enclosed by thebelt 42 and located proximate to thegear 43 and thepulley 44 are referred to as the inside of the belt. On the other hand, the positions opposite to thegear 43 and thepulley 44 with respect to thebelt 42 are referred to as the outside of the belt. The full closing associated position and the full opening associated position of the movingportion 5 are located between thegear 43 and thepulley 44 in the front-rear direction of the vehicle (the X direction). As shown inFig. 2 , the movingportion 5 includes an upper movingportion 51 attached to the upper side of thebelt 42 and a lower movingportion 52 attached to the lower side of thebelt 42. - In
Fig. 2 , the full closing associated position of the upper movingportion 51 is a right side position proximate to thepulley 44 in the front-rear direction of the vehicle (the X direction). The full opening associated position of the upper movingportion 51 is a left side position proximate to thegear 43. Likewise, inFig. 2 , the full opening associated position of the lower movingportion 52 is a right side position proximate to thepulley 44 in the front-rear direction of the vehicle (the X direction). The full closing associated position of the lower movingportion 52 is a left side position proximate to thegear 43. Thedoor leaf 10 shown in the left side ofFig. 2 is connected to the upper movingportion 51 via thedoor hanger 11. Thedoor leaf 10 shown in the right side ofFig. 2 is connected to the lower movingportion 52 via thedoor hanger 11. - The upper moving
portion 51 and the lower movingportion 52 move in opposite directions for the same distance in accordance with the running of thebelt 42 in the front-rear direction of the vehicle (the X direction). Accordingly, the full closing associated position of the upper movingportion 51 and the full closing associated position of the lower movingportion 52 are at the same distance in the front-rear direction of the vehicle (the X direction) from the center of thedoorway 200. Likewise, the full opening associated position of the upper movingportion 51 and the full opening associated position of the lower movingportion 52 are at the same distance in the front-rear direction of the vehicle (the X direction) from the center of thedoorway 200. Both the upper movingportion 51 and the lower movingportion 52 have a rectangular outer shape as viewed from the width direction of the vehicle (the Y direction). - As shown in
Figs. 2 to 4 , the restrainingportion 6 includes a right restrainingportion 61 and a left restrainingportion 62 that are associated with the upper movingportion 51 and the lower movingportion 52. The terms "right" and "left" are defined based onFig. 2 and used for convenience. Theright restraining portion 61 is rotatably supported by arotating shaft 61a having a rotational axis extending in the Y direction. Theright restraining portion 61 rotates about therotating shaft 61a to move between a locking position and an unlocking position. In the locking position, the right restrainingportion 61 contacts with the upper movingportion 51, and in the unlocking position, the right restrainingportion 61 does not contact with the upper movingportion 51 and does not prevent the movement of the upper movingportion 51. Therotating shaft 61a is positioned proximate to the upper movingportion 51 located at its full closing associated position. As viewed from the Y direction, therotating shaft 61a is positioned proximate in the negative Z direction and the negative X direction to the upper movingportion 51 located at its full closing associated position. - The
right restraining portion 61 includes afirst arm 61b and asecond arm 61c that extend in opposite directions from therotating shaft 61a. Theright restraining portion 61 rotates between the unlocking position in which thefirst arm 61b and thesecond arm 61c extend in the X direction and the locking position in which thefirst arm 61b and thesecond arm 61c extend in the Z direction. Theright restraining portion 61 rotates clockwise by about 90° about therotating shaft 61a from the unlocking position shown inFig. 2 to the locking position. - In the unlocking position, the
first arm 61b is positioned to extend in the negative X direction from therotating shaft 61a. In the locking position, thefirst arm 61b is positioned to extend in the positive Z direction from therotating shaft 61a. When in the unlocking position, thefirst arm 61b is positioned inside thebelt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, thefirst arm 61b rotates to a position outside thebelt 42, as viewed from the Y direction. - The
first arm 61b includes amovement restraining portion 61d that, in the locking position, contacts with the upper movingportion 51 to prevent the movement of the upper movingportion 51 in the negative X direction. When the upper movingportion 51 is at the full closing associated position, themovement restraining portion 61d contacts with afront surface 51a of the upper movingportion 51 facing the negative X direction (seeFig. 7 described later). In the locking position, themovement restraining portion 61d is positioned outside thebelt 42 and at such a distance from therotating shaft 61a as to contact with thefront surface 51a of the upper movingportion 51. - In the unlocking position, the
movement restraining portion 61d is positioned at the upper surface offirst arm 61b facing the positive Z direction. Themovement restraining portion 61d has a surface shaped to be parallel with thefront surface 51a of the upper movingportion 51 at the locking position, so as to maximize the area of contact with thefront surface 51a of the upper movingportion 51. Specifically, themovement restraining portion 61d has a surface that extends along the YZ direction at the locking position. As viewed from the Y direction, therotating shaft 61a is positioned proximate in the negative X direction to thefront surface 51a of the upper movingportion 51 located at its full closing associated position. - The
first arm 61b is connected with the locking portion 8 (described later) via arotating shaft 61f provided at a distance from therotating shaft 61a. Therotating shaft 61f has a rotational axis extending in parallel with therotating shaft 61a, or in the Y direction. When thefirst arm 61b is at the unlocking position, themovement restraining portion 61d is positioned in the positive Z direction relative to therotating shaft 61f. When the right restrainingportion 61 is at the locking position, therotating shaft 61f is positioned in the positive Z direction relative to therotating shaft 61a. - Likewise, in the unlocking position, the
second arm 61c is positioned to extend in the positive X direction from therotating shaft 61a. In the locking position, thesecond arm 61c is positioned to extend in the negative Z direction from therotating shaft 61a. When in the unlocking position, thesecond arm 61c is positioned inside thebelt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, thesecond arm 61c rotates to a position at which it does not contact or interfere with thebelt 42, as viewed from the Y direction. - The
second arm 61c includes an engagedportion 61e that, in the unlocking position, contacts with the lock restraining portion 9 (described later) to prevent the clockwise rotational movement of the right restrainingportion 61 relative to therotating shaft 61a. When the engagedportion 61e is in contact with thelock restraining portion 9, the right restrainingportion 61 is restrained by thelock restraining portion 9 and prevented from rotating. - The
left restraining portion 62 is point-symmetric to the right restrainingportion 61. Specifically, as viewed from the Y direction, the left restrainingportion 62 and the right restrainingportion 61 are point-symmetric to each other with respect to the middle point between the rotational axis of thegear 43 and the rotational axis of thepulley 44. Theleft restraining portion 62 is rotatably supported by arotating shaft 62a having a rotational axis extending in the Y direction. Theleft restraining portion 62 rotates about therotating shaft 62a to move between a locking position and an unlocking position. In the locking position, the left restrainingportion 62 contacts with the lower movingportion 52, and in the unlocking position, the left restrainingportion 62 does not contact with the lower movingportion 52 and does not prevent the movement of the lower movingportion 52. Therotating shaft 62a is positioned proximate to the lower movingportion 52 located at its full closing associated position. As viewed from the Y direction, therotating shaft 62a is positioned proximate in the positive Z direction and the positive X direction to the lower movingportion 52 located at its full closing associated position. - The
left restraining portion 62 includes afirst arm 62b and asecond arm 62c that extend in opposite directions from therotating shaft 62a. Theleft restraining portion 62 rotates between the unlocking position in which thefirst arm 62b and thesecond arm 62c extend in the X direction and the locking position in which thefirst arm 62b and thesecond arm 62c extend in the Z direction. Theleft restraining portion 62 rotates clockwise by about 90° about therotating shaft 62a from the unlocking position shown inFig. 2 to the locking position. - In the unlocking position, the
first arm 62b is positioned to extend in the positive X direction from therotating shaft 62a. In the locking position, thefirst arm 62b is positioned to extend in the negative Z direction from therotating shaft 62a. When in the unlocking position, thefirst arm 62b is positioned inside thebelt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, thefirst arm 62b rotates to a position outside thebelt 42. - The
first arm 62b includes amovement restraining portion 62d that, in the locking position, contacts with the lower movingportion 52 to prevent the movement of the lower movingportion 52 in the positive X direction. When the lower movingportion 52 is at the full closing associated position, themovement restraining portion 62d contacts with afront surface 52a of the lower movingportion 52 facing the positive X direction (seeFig. 7 described later). In the locking position, themovement restraining portion 62d is positioned outside thebelt 42 and at such a distance from therotating shaft 62a as to contact with thefront surface 52a of the lower movingportion 52. - In the unlocking position, the
movement restraining portion 62d is positioned at the lower surface offirst arm 62b facing the negative Z direction. Themovement restraining portion 62d has a surface shaped to be parallel with thefront surface 52a of the lower movingportion 52 at the locking position, so as to maximize the area of contact with thefront surface 52a of the lower movingportion 52. Specifically, themovement restraining portion 62d has a surface that extends along the YZ direction at the locking position. As viewed from the Y direction, therotating shaft 62a is positioned proximate in the positive X direction to thefront surface 52a of the lower movingportion 52 located at its full closing associated position. - The
first arm 62b is connected with the locking portion 8 (described later) via arotating shaft 62f provided at a distance from therotating shaft 62a. Therotating shaft 62f has a rotational axis extending in parallel with therotating shaft 62a, or in the Y direction. When thefirst arm 62b is at the unlocking position, themovement restraining portion 62d is positioned in the negative Z direction relative to therotating shaft 62f. When the left restrainingportion 62 is at the locking position, therotating shaft 62f is positioned in the negative Z direction relative to therotating shaft 62a. - Likewise, in the unlocking position, the
second arm 62c is positioned to extend in the negative X direction from therotating shaft 62a. In the locking position, thesecond arm 62c is positioned to extend in the positive Z direction from therotating shaft 62a. When in the unlocking position, thesecond arm 62c is positioned inside thebelt 42, as viewed from the Y direction. When moving from the unlocking position to the locking position, thesecond arm 62c rotates to a position at which it does not contact or interfere with thebelt 42. - The
second arm 62c includes an engagedportion 62e that, in the unlocking position, contacts with the lock restraining portion 9 (described later) to prevent the clockwise rotational movement of the left restrainingportion 62 relative to therotating shaft 62a. When the engagedportion 62e is in contact with thelock restraining portion 9, the left restrainingportion 62 is restrained by thelock restraining portion 9 and prevented from rotating. - The
operation portion 7 is manually operated to produce an operating force for operating the lockingportion 8. As shown inFigs. 3 and4 , theoperation portion 7 includes aninput portion 71 and aconversion portion 72. Theinput portion 71 receives an operating force input manually, and theconversion portion 72 converts the direction of the operating force input through theinput portion 71 and transmits the operating force to the lockingportion 8. - The
input portion 71 is disposed at the middle of thedoorway 200 in the X direction (seeFig. 1 ). Theinput portion 71 is positioned above the door leaves 10. Theinput portion 71 includes aninput shaft 71a that is rotated in mesh with a locking key (not shown). Theinput shaft 71a has a rotational axis extending along the Z direction, and receives the operating force input at its lower end vertically upward. Theinput shaft 71a is positioned at an equal distance from the rotational axis of thegear 43 and the rotational axis of thepulley 44 in the X direction. Theinput shaft 71a is disposed at the middle of thedoorway 200 in the X direction. - The
conversion portion 72 includesbevel gears input shaft 71a and arotating shaft 81a of the locking portion 8 (described later), while changing the direction of transmission. Thebevel gear 71b is disposed around the upper end of theinput shaft 71a. Thebevel gear 72b is disposed on therotating shaft 81a of the locking portion 8 (described later). Therotating shaft 81a has a rotational axis extending along the Y direction. Thebevel gear 71b and thebevel gear 72b mesh with each other and transmit rotation from theinput shaft 71a to therotating shaft 81a. - As shown in
Figs. 2 to 4 , the lockingportion 8 includes afirst link 81 that rotates about therotating shaft 81a, a right second link (second link) 82 connected at one end thereof to an end portion of thefirst link 81, and a left second link (second link) 83. Therotating shaft 81a has a rotational axis extending along the Y direction. Therotating shaft 81a is disposed at the middle of thedoorway 200 in the X direction. Therotating shaft 81a is positioned at an equal distance from the rotational axis of thegear 43 and the rotational axis of thepulley 44 in the X direction. Therotating shaft 81a is positioned inside thebelt 42 as viewed from the Y direction. - The
first link 81 includes anarm 81b and anarm 81c. In the unlocking position, thearm 81b extends toward the positive X direction, and thearm 81c extends toward the negative X direction, and the center of these arms is at therotating shaft 81a. Thefirst link 81 can rotate by 180° between the unlocking position and the locking position thereof with its rotational center positioned at therotating shaft 81a, In the unlocking position, thearms rotating shaft 81a, while in the locking position, thearms - The distal end of the
arm 81b is connected with one end of the left second link (second link) 83 via arotating shaft 81d. The distal end of thearm 81c is connected with one end of the right second link (second link) 82 via arotating shaft 81e. In the distal end of thearm 81c, a stoppingportion 81g is formed at a position more distant from therotating shaft 81a than is therotating shaft 81e. In the locking position, the stoppingportion 81g stops thefirst link 81 and immobilize the rotational position thereof. In the locking position, the stoppingportion 81g abuts against astop restraint portion 84 to be immobilized. - The
arm 81c includes at the distal end thereof a switch pressing portion that contacts with a lockingswitch 103. The switch pressing portion may be provided by the stoppingportion 81g. The lockingswitch 103, which is turned ON by contact with the switch pressing portion, detects that thefirst link 81 is in the locking position. In other words, the lockingswitch 103 detects that the movingportion 5 is in the full closing associated position, and the restrainingportion 6 is in the locking position. Thus, the lockingswitch 103 can be used as a switch for detecting full closing of the door in normal vehicle operation. - In the unlocking position, the
rotating shaft 81d is positioned at a distance from therotating shaft 81a in the positive X direction. In the unlocking position, therotating shaft 81e is positioned at a distance from therotating shaft 81a in the negative X direction. As viewed from the Y direction, the distance between therotating shaft 81d and therotating shaft 81a is equal to the distance between therotating shaft 81e and therotating shaft 81a. - The left second link (second link) 83 is connected at the other end thereof with the left restraining
portion 62 via therotating shaft 62f such that the left restrainingportion 62 is rotatable. In the unlocking position, the left second link (second link) 83 extends in the negative X direction from therotating shaft 81d. The right second link (second link) 82 is connected at the other end thereof with the right restrainingportion 61 via therotating shaft 61f such that the right restrainingportion 61 is rotatable. In the unlocking position, the right second link (second link) 82 extends in the positive X direction from therotating shaft 81e. - In the unlocking position, the
arm 81b extends in the positive X direction from therotating shaft 81a, and the left second link (second link) 83 extends in the negative X direction from therotating shaft 81d. Also, in the unlocking position, thearm 81b and the left second link (second link) 83 are parallel and overlap each other as viewed from the Y direction. Therefore, the left second link (second link) 83 includes acurved portion 83a at a position proximate to therotating shaft 81d. Thecurved portion 83a is curved from therotating shaft 81d in the negative Z direction to extend round therotating shaft 81e. - In the unlocking position, the
arm 81c extends in the negative X direction from therotating shaft 81a, and the right second link (second link) 82 extends in the positive X direction from therotating shaft 81e. Also, in the unlocking position, thearm 81c and the right second link (second link) 82 are parallel and overlap each other as viewed from the Y direction. Therefore, the right second link (second link) 82 includes acurved portion 82a at a position proximate to therotating shaft 81e. Thecurved portion 82a is curved from therotating shaft 81e in the positive Z direction to extend round therotating shaft 81d. - The
rotating shaft 81a, therotating shaft 81d, therotating shaft 81e, therotating shaft 61f, and therotating shaft 62f extend along the Y direction and are parallel to one another. Thearm 81b, the left second link (second link) 83, and the left restrainingportion 62 form a lock link for restraining the movement of the lower movingportion 52 at the full closing associated position. Thearm 81c, the right second link (second link) 82, and the right restrainingportion 61 form a lock link for restraining the movement of the upper movingportion 51 at the full closing associated position. - The operating force input through the
operation portion 7 causes thefirst link 81 to rotate clockwise as viewed inFig. 2 to abut against thestop restraint portion 84, such that the lockingportion 8 is put into the locking position. In this locking position, thefist link 81 is in a horizontal position, in which thearm 81b extends along the negative X direction, and thearm 81c rotates about therotating shaft 81a to such a position as to extend toward the positive X direction. At this time, as shown inFig. 7 (described later), in the rightsecond link 82, therotating shaft 61f is positioned above therotating shaft 81e in the Z direction. Likewise, in the leftsecond link 83, therotating shaft 62f is positioned below therotating shaft 81d in the Z direction. In other words, when rotating from the locking position to the unlocking position, thefirst link 81 and thesecond links first link 81 and thesecond links operation portion 7 causes thefirst link 81 to rotate counterclockwise to enter the horizontal position shown inFig. 2 , the lockingportion 8 is in the unlocking position. - Only when the door leaves 10 are at the fully closed position, the
lock restraining portion 9 allows locking by the lockingportion 8. As shown inFigs. 2 to 4 , thelock restraining portion 9 includes a rightlock restraining portion 91 and a leftlock restraining portion 92. - The right
lock restraining portion 91 can restrain locking accomplished by the right restrainingportion 61. The rightlock restraining portion 91 is rotatably supported by arotating shaft 91a having a rotational axis extending in the Y direction. The rightlock restraining portion 91 rotates about therotating shaft 91a to move between a lock-enabled position at which the rightlock restraining portion 91 is contacted and pressed by the upper movingportion 51 and a lock-disabled position at which the rightlock restraining portion 91 is not contacted or pressed by the upper movingportion 51. Therotating shaft 91a is positioned inside thebelt 42 as viewed from the Y direction. Therotating shaft 91a is positioned proximate to the upper movingportion 51 located at its full closing associated position. As viewed from the Y direction, therotating shaft 91a is positioned proximate in the negative Z direction to the upper movingportion 51 located at its full closing associated position, and therotating shaft 91a is aligned in the X direction with the upper movingportion 51 located at its full closing associated position. A torsion spring (not shown) is attached to therotating shaft 91a so as to encircle it. The torsion spring biases the rightlock restraining portion 91 counterclockwise around therotating shaft 91a as viewed inFig. 2 . - The right
lock restraining portion 91 is formed of a cam including afirst arm 91b and anengaging portion 91h. Thefirst arm 91b extends from therotating shaft 91a in the positive Z direction, and the engagingportion 91h projects in the negative X direction at the proximal end side of thefirst arm 91b. Thefirst arm 91b includes at the distal end thereof a pressedportion 91d to be contacted by the upper movingportion 51 and thereby pressed by the upper movingportion 51. The pressedportion 91d projects in the negative X direction from the distal end of thefirst arm 91b extending in the positive Z direction from therotating shaft 91a. When the pressedportion 91d is pressed in the positive X direction, thefirst arm 91b rotates about therotating shaft 91a from the lock-disabled position to the lock-enabled position. When the upper movingportion 51 moves in the positive X direction, the pressedportion 91d is contacted and pressed by thefront surface 51b of the upper movingportion 51 that is facing forward. When the pressedportion 91d is no longer pressed by the upper movingportion 51 and is no longer contacted by thefront surface 51b, the torsion spring around therotating shaft 91a causes thefirst arm 91b to return from the lock-enabled position to the lock-disabled position. - The right
lock restraining portion 91 can rotate about therotating shaft 91a between the lock-disabled position at which the distal end of thefirst arm 91b extends in the positive Z direction and the lock-enabled position at which the distal end of thefirst arm 91b is tilted toward the positive X direction as compared to the lock-disabled position. The rightlock restraining portion 91 moves from the lock-disabled position shown inFig. 2 to the lock-enabled position by rotating clockwise about therotating shaft 91a (seeFigs. 5 to 7 described later). When the rightlock restraining portion 91 is at the lock-disabled position, the engagingportion 91h contacts with the engagedportion 61e to prevent the rotational movement of the right restrainingportion 61. When the rightlock restraining portion 91 is at the lock-enabled position, the engagingportion 91h is separated from the engagedportion 61e and does not prevent the movement of the right restrainingportion 61. - In the right
lock restraining portion 91, the upper movingportion 51 pressing the pressedportion 91d causes thefirst arm 91b to rotate to the lock-enabled position, and thus the engagingportion 91h comes out of contact with the engagedportion 61e, and locking by the right restrainingportion 61 is enabled. - The left
lock restraining portion 92 is point-symmetric to the rightlock restraining portion 91. Specifically, as viewed from the Y direction, the leftlock restraining portion 92 and the rightlock restraining portion 91 are point-symmetric to each other with respect to the middle point between the rotational axis of thegear 43 and the rotational axis of thepulley 44. The leftlock restraining portion 92 can restrain locking accomplished by the left restrainingportion 62. The leftlock restraining portion 92 is rotatably supported by arotating shaft 92a having a rotational axis extending in the Y direction. The leftlock restraining portion 92 rotates about therotating shaft 92a to move between a lock-enabled position at which the leftlock restraining portion 92 is contacted and pressed by the lower movingportion 52 and a lock-disabled position at which the leftlock restraining portion 92 is not contacted or pressed by the lower movingportion 52. - The
rotating shaft 92a is positioned inside thebelt 42 as viewed from the Y direction. Therotating shaft 92a is positioned proximate to the lower movingportion 52 located at its full closing associated position. As viewed from the Y direction, therotating shaft 92a is positioned proximate in the positive Z direction to the lower movingportion 52 located at its full closing associated position, and therotating shaft 92a is aligned in the X direction with the lower movingportion 52 located at its full closing associated position. A torsion spring (not shown) is attached to therotating shaft 92a so as to encircle it. The torsion spring biases the leftlock restraining portion 92 counterclockwise around therotating shaft 92a as viewed inFig. 2 . - The left
lock restraining portion 92 is formed of a cam including afirst arm 92b, asecond arm 92c, and anengaging portion 92h. Thefirst arm 92b extends from therotating shaft 92a in the negative Z direction, thesecond arm 92c extends from therotating shaft 92a in the positive Z direction, and the engagingportion 92h projects in the positive X direction at the proximal end side of thefirst arm 92b. Thefirst arm 92b includes at the distal end thereof a pressedportion 92d to be contacted by the lower movingportion 52 and thereby pressed by the lower movingportion 52. The pressedportion 92d projects in the positive X direction from the distal end of thefirst arm 92b extending in the negative Z direction from therotating shaft 92a. - When the pressed
portion 92d is pressed in the negative X direction, thefirst arm 92b rotates about therotating shaft 92a from the lock-disabled position to the lock-enabled position. When the lower movingportion 52 moves in the negative X direction, the pressedportion 92d is contacted and pressed by thefront surface 52b of the lower movingportion 52 that is facing forward. When the pressedportion 92d is no longer pressed by the lower movingportion 52 and is no longer contacted by thefront surface 52b, the torsion spring around therotating shaft 92a causes thefirst arm 92b to return from the lock-enabled position to the lock-disabled position. - The
second arm 92c includes at the distal end thereof aswitch pressing portion 92e that contacts with afull closing switch 102. Thefull closing switch 103, which is turned ON by contact with theswitch pressing portion 92e, detects that the lower movingportion 52 is in the full closing associated position, and the leftlock restraining portion 92 is in the lock-enabled position. In other words, thefull closing switch 102 detects that the movingportion 5 is in the full closing associated position, and thelock restraining portion 9 is in the lock-enabled position. - The left
lock restraining portion 92 can rotate about therotating shaft 92a between the lock-disabled position at which the distal end of thefirst arm 92b extends in the negative Z direction and the lock-enabled position at which the distal end of thefirst arm 92b is tilted toward the negative X direction as compared to the lock-disabled position. The leftlock restraining portion 92 moves from the lock-disabled position shown inFig. 2 to the lock-enabled position by rotating clockwise about therotating shaft 92a (seeFigs. 5 to 7 described later). When the leftlock restraining portion 92 is at the lock-disabled position, the engagingportion 92h contacts with the engagedportion 62e to prevent the rotational movement of the left restrainingportion 62. When the leftlock restraining portion 92 is at the lock-enabled position, the engagingportion 92h is separated from the engagedportion 62e and does not prevent the movement of the left restrainingportion 62. - In the left
lock restraining portion 92, the lower movingportion 52 pressing the pressedportion 92d causes thefirst arm 92b to rotate to the lock-enabled position, and thus the engagingportion 92h comes out of contact with the engagedportion 62e, and locking by the left restrainingportion 62 is enabled. Simultaneously, thesecond arm 92c rotates integrally with thefirst arm 92b, and thus theswitch pressing portion 92e contacts with thefull closing switch 102. As a result, thefull closing switch 102 detects that the lower movingportion 52 is in the full closing associated position, and outputs an indication of this. Thefull closing switch 102 is connected to an interlock circuit that transmits a full closing signal when all thedoors 2 are fully closed. Also, thefull closing switch 102 is connected so as to be constantly able to transmit a full closing signal bypassing the interlock circuit when locking by the lockingportion 8 is accomplished. - In the railway
vehicle door device 100 of the embodiment, the movingportion 5 is not in contact with thelock restraining portion 9 when thedoor 2 is open as shown inFig. 2 or at least when thedoor 2 is not fully closed. Therefore, thelock restraining portion 9 remains in the lock-disabled position, and thelock restraining portion 9 keeps restraining the operation of the restrainingportion 6. Accordingly, the restrainingportion 6 remains in the unlocking position, and thus manual locking is restrained. - Further, as shown in
Fig. 5 , when thedoor 2 is closed, or when the door leaves 10 have reached the fully closed position, the movingportion 5 is in contact with thelock restraining portion 9, and thus thelock restraining portion 9 is in the lock-enabled position. Thus, thelock restraining portion 9 ceases restraining the operation of the restrainingportion 6. Simultaneously, thefull closing switch 102 detects that the door leaves 10 have reached the fully closed position. - It is necessary that manual locking of the
door 2 is enabled only when the door leaves 10 have reached the fully closed position. In this state, a key (not shown) is used to rotate theinput shaft 71a for locking operation through theoperation portion 7. The operating force is transmitted to thebevel gear 71b, thebevel gear 72b, and therotating shaft 81a to rotate thefirst link 81 of the lockingportion 8. - When the door leaves 10 are in the fully closed position and the locking operation is made through the
operation portion 7, thefirst link 81 of the lockingportion 8 rotates from the unlocking position shown inFigs. 2 to 5 via the halfway position shown inFig. 6 to the locking position shown inFig. 7 . The stoppingportion 81g abuts against thestop restraint portion 84 and stops the rotation at the locking position. Thesecond links portion 61, and the left restrainingportion 62 also rotate in association with the rotation of thefirst link 81. In the locking position shown inFig. 7 , in contrast to thefirst link 81 oriented in the horizontal direction (the X direction), thesecond links rotating shafts portion 6 side are at a larger distance in the Z direction from thefirst link 81 than therotating shafts first link 81 side. - In other words, as shown in
Fig. 7 , the rightsecond link 82 in the locking position has rotated by an angle θ2 beyond 180° about therotating shaft 81e, relative to thefirst link 81. Also, the leftsecond link 83 in the locking position has rotated by an angle θ3 beyond 180° about therotating shaft 81d, relative to thefirst link 81. - The right
second link 82 is tilted upward about therotating shaft 81e by the angle θ2 beyond the horizontal direction, relative to thefirst link 81. This is because the right restrainingportion 61 has rotated to the locking position in which therotating shaft 61f of the right restrainingportion 61 is positioned outside thebelt 42 and therotating shaft 61f is positioned in the positive Z direction relative to therotating shaft 61a. - The left
second link 83 is tilted downward about therotating shaft 81d by the angle θ3 beyond the horizontal direction, relative to thefirst link 81. This is because the left restrainingportion 62 has rotated to the locking position in which therotating shaft 62f of the left restrainingportion 62 is positioned outside thebelt 42 and therotating shaft 62f is positioned in the negative Z direction relative to therotating shaft 62a. In the locking position, if thedoor 2 tries to open, the movingportion 5 will try to move from the full closing associated position. In this case, the movingportion 5 tries to move toward the full opening associated position. - In the right restraining
portion 61, themovement restraining portion 61d is pressed in the negative X direction by thefront surface 51a of the upper movingportion 51. Theright restraining portion 61 then receives a force for rotating counterclockwise about therotating shaft 61a, as viewed from the positive Y direction. This force is transmitted to thesecond link 82 of the lockingportion 8. At this time, the above force acts along the axis of thesecond link 82 and is transmitted through therotating shaft 81e to thefirst link 81. - As described above, in the locking position, the right
second link 82 is at an angular position beyond the dead center relative to thefirst link 81. Therefore, the line of action of the force for opening thedoor 2 that is transmitted through the rightsecond link 82 to thefirst link 81 runs toward the rotational direction for locking, and the rotation of thefirst link 81 is restrained by thestop restraint portion 84. - Likewise, in the left restraining
portion 62, themovement restraining portion 62d is pressed in the positive X direction by thefront surface 52a of the lower movingportion 52. Theleft restraining portion 62 then receives a force for rotating counterclockwise about therotating shaft 62a, as viewed from the positive Y direction. This force is transmitted to thesecond link 83 of the lockingportion 8. At this time, the above force acts along the axis of thesecond link 83 and is transmitted through therotating shaft 81d to thefirst link 81. - As described above, in the locking position, the left
second link 83 is at an angular position beyond the dead center relative to thefirst link 81. Therefore, the line of action of the force for opening thedoor 2 that is transmitted through the leftsecond link 83 to thefirst link 81 runs toward the rotational direction for locking, and the rotation of thefirst link 81 is restrained by thestop restraint portion 84. Thesecond links - In addition, this locking arrangement across the dead center is maintained with the
first link 81 and thesecond links rotating shaft 81a as viewed from the Y direction. Therefore, even when the pressing force of the movingportion 5 or the pressing force of the restrainingportion 6 in the direction for unlocking is large, the locking can be readily maintained. - In the
manual locking device 101 of the railwayvehicle door device 100 of the embodiment, the upper movingportion 51 and the lower movingportion 52 of the movingportion 5 attached to thebelt 42 of thetransmission mechanism 4 that moves integrally with the door leaves 10 are locked simultaneously by the right restrainingportion 61 and the left restrainingportion 62 of the restrainingportion 6, respectively, to prevent the door leaves 10 from opening and closing. This makes it possible to accomplish locking with a smaller restraining force than in the case where the door leaves are locked directly. - In the
manual locking device 101 of the railwayvehicle door device 100 of the embodiment, thelock restraining portion 9 abuts against the restrainingportion 6 to prevent manual locking operation. Thelock restraining portion 9 is not separated from the restrainingportion 6 until themanual locking device 101 is in the fully closed state in which the door leaves 10 are in the fully closed position. Therefore, when the door leaves 10 are not in the fully closed position, the manual locking can be prevented. In addition, the door leaves 10 of the double door can be locked simultaneously by the key operation on theoperation portion 7, and the locking can be maintained. - This makes it possible to secure the manual locking operation of the door leaves in the fully closed state in the event that the door cannot be driven for closing, for example, in the case where the vehicle needs to run in an emergency such as the failure of the
door 2. In particular, even when the door leaves 10 are damaged, the locking can be secured and thus the security can be improved, as compared to the mechanism in which the door leaves 10 are locked directly. - Further, since the locking is prevented when the door leaves 10 are not in the fully closed position, it is possible to prevent malfunctions and improve the security. The locking can be secured with smaller components and with a smaller restraining force, as compared to the mechanism in which the door leaves 10 are locked directly.
- In the above configuration, the
lock restraining portion 9 contacted by the movingportion 5 moves from the lock restraining position to the lock permitting position, allowing the locking operation of the restrainingportion 6 and the lockingportion 8. Therefore, the manual locking is allowed only at the fully closed position, without having to install a lock restraining portion (blank panel) over the entire region in the opening-closing direction. - The manual locking device of the present invention includes a lock restraining portion that allows locking by the locking portion only when the door leaves are at the fully closed position. Since locking is not allowed when the door leaves are not in the fully closed position, the security can be improved.
- In the manual locking device of the present invention, the restraining portion includes an engaged portion. Further, the lock restraining portion includes an engaging portion and a pressed portion. The engaging portion is configured to contact with the engaged portion to prevent movement of the restraining portion, and the pressed portion is pressed by the moving portion in the closing direction when the door leaves reach the fully closed position, such that the engaging portion comes out of contact with the engaged portion. This makes it possible to switch between unlocking and locking according only to whether or not the moving portion is pressing the pressed portion, resulting in a reduced number of components and an improved operation reliability.
- In the manual locking device of the present invention, the lock restraining portion is formed of a cam including the pressed portion and the engaging portion. The cam rotates when the pressed portion is pressed, such that the engaging portion comes out of contact with the engaged portion. This makes it possible to secure the switching between the state in which the engaging portion is in contact with the engaged portion and the state in which the engaging portion is out of contact with the engaged portion.
- The manual locking device of the present invention may include a full closing switch for detecting that the door leaves have reached the fully closed position. The cam may further include a switch pressing portion that rotates when the pressed portion is pressed, to press the full closing switch. This makes it possible to detect that the door leaves are in the fully closed state without having to detect the position of the door leaves directly.
- The manual locking device of the present invention may be installed on a plurality of doors for opening and closing a plurality of doorways of a railway vehicle. The full closing switch may be connected to an interlock circuit that transmits a full closing signal when all the
doors 2 are fully closed. Also, the full closing switch may be connected so as to be constantly able to transmit a full closing signal bypassing the interlock circuit when locking by the locking portion is accomplished by manual operation of the operation portion. This makes it possible to detect the locking in an emergency in which the locking is accomplished by manual operation. In addition, the full closing switch can be used for detecting the fully closed state in normal opening and closing operation of the door. - In the manual locking device of the present invention, the locking device may include a first link and a second link. The first link may rotate by an operating force of the operation portion, and the second link may be connected at one end thereof to an end portion of the first link and is connected at the other end thereof to the restraining portion. The first link may rotate from the unlocking position toward the locking position, such that the first link and the second link enter the locking position beyond the dead center. Since the locking is accomplished at the position at which the angle between the first link and the second link is beyond the dead center, there is no need of providing a component for fixing the first link and the second link at the locking position, and it is possible to secure the locking.
- In the manual locking device of the present invention, the second link in the locking position may extend along the moving direction of the moving portion. With this arrangement in the locking position, when the moving portion tries unlocking, it presses the second link in the direction in which the second link extends. Thus, the locking can be readily maintained even if a large force is imparted.
- In the manual locking device of the present invention, when the door leaves are in the fully closed position, the restraining portion connected with the second link may be in contact with a portion of the moving portion facing toward the full opening associated position. With this arrangement, the restraining portion restrains the moving portion by directly contacting with a portion of the moving portion facing forward in the moving direction from the fully closed position at the end of the range of movement of the moving portion, and thus it is possible to restrain the movement effectively.
- In the manual locking device of the present invention, the moving portion may include a plurality of moving portions each connected to associated one of the door leaves of a double sliding door, and the locking portion may lock the plurality of moving portions simultaneously by an operating force of the operation portion. This makes it possible to simultaneously lock the door leaves of the double door, preventing that one of the door leaves is not locked.
- In the manual locking device of the present invention, the operation portion may be disposed in the middle of the door leaves of a double door in the moving direction of the moving portion. This makes it possible to simultaneously lock the door leaves of the double door, improving the ease of operation.
- In the manual locking device of the present invention, the transmission mechanism may include a coupled moving portion that moves integrally with the moving portion. This makes it possible to secure the locking when the transmission mechanism for transmitting the driving force is of the wound belt type, the rack-and-pinion type, the screw type, the linear motor type, or the electric cylinder type, whether the moving portion moves integrally with the above mechanism or with the door hanger.
- In the manual locking device of the present invention, the operation portion may include an input portion that receives operational input applied vertically upward. This improves the ease of locking operation.
- In the manual locking device of the present invention, the operation portion may include a conversion portion for converting an operating force input vertically upward through the input portion into a force in a lateral direction intersecting the moving direction of the moving portion. This makes it possible to build in the operation portion to the position above the door of the doorway, which requires smaller space. Also, since the key hole in the operation portion is invisible from the middle of the vehicle in the vehicle width direction, the design can be improved.
- The features of the above embodiment of the manual locking device of the present invention can be selected and combined together as long as they fall within the scope of the appended claims. Further, each of the features of the above embodiment can be modified as long as they fall within the scope of the appended claims. For example, the OoSL mechanism may be configured for a single leaf door. It is also possible that the moving portion 5 (the upper moving
portion 51, the lower moving portion 52) is not connected to thedoor hanger 11. In this case, the moving portion 5 (the upper movingportion 51, the lower moving portion 52) may be disposed on thebelt 42 at a different position than it was connected to thedoor hanger 11. It is also possible that the lockingportion 8 is not a link mechanism. In this case, the lockingportion 8 may be configured such that thesecond arm 61c of the right restrainingportion 61 and thesecond arm 62c of the left restrainingportion 62 are simultaneously rotated to approach therotating shaft 81a and enter the locking position. Further, in this case, the lockingportion 8 may also be configured to allow rotation for return that is in the opposite direction than for locking. -
- 100
- railway vehicle door device
- 101
- manual locking device
- 200
- doorway
- 2
- door
- 3
- drive source
- 4
- transmission mechanism
- 5
- moving portion
- 6
- restraining portion
- 7
- operation portion
- 8
- locking portion
- 9
- lock restraining portion
- 10
- door leaf
- 11
- door hanger (coupled moving portion)
- 42
- belt
- 61e, 62e
- engaged portion
- 71
- input portion
- 81g
- switch pressing portion
- 82a, 83a
- curved portion
- 84
- stop restraint portion
- 91d
- pressed portion
- 91h, 92h
- engaging portion
- 92e
- switch pressing portion
Claims (13)
- A manual locking device (101), comprising:a transmission mechanism (4) for transmitting a driving force from a drive source (3) to a door leaf (10) to cause the door leaf (10) to move between a fully open position and a fully closed position;at least one moving portion (5) provided on the transmission mechanism (4) and configured to move in synchronization with opening and closing of the door leaf (10);a restraining portion (6) configured to contact with the at least one moving portion (5) to restrain movement of the at least one moving portion (5) in an opening-closing direction of the door leaf (10);an operation portion (7) configured to be manually operated to produce an operating force;a locking portion (8) configured to accomplish locking when the door leaf (10) is at the fully closed position, by moving the restraining portion (6) by the operating force of the operation portion (7) from an unlocking position in which the movement of the at least one moving portion (5) is not restrained to a locking position in which the movement of the at least one moving portion (5) is restrained, characterised in that the manual locking device (101) further comprises a lock restraining portion (9) configured to allow locking by the locking portion (8) only when the door leaf (10) is at the fully closed position,whereinthe restraining portion (6) includes an engaged portion (61e, 62e); andwherein the lock restraining portion (9) includes:an engaging portion (91h, 92h) configured to contact with the engaged portion (61e, 62e) to prevent movement of the restraining portion (6); anda pressed portion (91d, 92d) configured to be pressed by the at least one moving portion (5) in a closing direction when the door leaf (10) reaches the fully closed position, such that the engaging portion (91h, 92h) comes out of contact with the engaged portion (61e, 62e).
- The manual locking device (101) of claim 1,wherein the lock restraining portion (9) is formed of a cam including the pressed portion (91d, 92d) and the engaging portion (91h, 92h); andwherein the cam rotates when the pressed portion (91d, 92d) is pressed, such that the engaging portion (91h, 92h) comes out of contact with the engaged portion (61e, 62e).
- The manual locking device (101) of claim 2, comprising:
a full closing switch (102) for detecting that the door leaf (10) has reached the fully closed position, wherein the cam further includes a switch pressing portion (92e) configured to rotate when the pressed portion (92d) is pressed, to press the full closing switch (102). - The manual locking device (101) of claim 3,wherein the manual locking device (101) is installed on each of a plurality of doors (2) for opening and closing a plurality of doorways (200) of a railway vehicle, andwherein the full closing switch (102) is connected to an interlock circuit that transmits a full closing signal when all of the plurality of doors (2) are fully closed, and the full closing switch (102) is connected so as to be constantly able to transmit the full closing signal bypassing the interlock circuit when locking by the locking portion (8) is accomplished by manual operation of the operation portion (7).
- The manual locking device (101) of any one of claims 1 to 4,
wherein the locking portion (8) includes:a first link (81) configured to rotate by the operating force of the operation portion (7); anda second link (82, 83) connected at one end thereof to an end portion of the first link (81) and connected at the other end thereof to the restraining portion (6), andwherein the first link (81) rotates from the unlocking position toward the locking position, such that the first link (81) and the second link (82, 83) enter the locking position beyond a dead center. - The manual locking device (101) of claim 5, wherein in the locking position, the second link (82, 83) extends along a moving direction of the at least one moving portion (5).
- The manual locking device (101) of claim 5 or 6, wherein when the door leaf (10) is at the fully closed position, the restraining portion (6) connected to the second link (82, 83) is in contact with a portion of the at least one moving portion (5) facing toward the fully open position.
- The manual locking device (101) of any one of claims 1 to 7, wherein the at least one moving portion (5) comprises a plurality of moving portions (51, 52) each connected to associated one of the door leaves (10) of a double sliding door, and the locking portion (8) locks the plurality of moving portions (51, 52) simultaneously by the operating force of the operation portion (7).
- The manual locking device (101) of claim 8, wherein the operation portion (7) is disposed in a middle of the door leaves (10) of the double door in a moving direction of the at least one moving portion (5).
- The manual locking device (101) of any one of claims 1 to 9, wherein the transmission mechanism (4) includes a coupled moving portion (11) configured to move integrally with the at least one moving portion (5).
- The manual locking device (101) of any one of claims 1 to 10, wherein the operation portion (7) includes an input portion (71) configured to receive operational input applied vertically upward.
- The manual locking device (101) of claim 11, wherein the operation portion (7) includes a conversion portion (72) for converting an operating force input vertically upward through the input portion (71) into a force in a lateral direction intersecting a moving direction of the at least one moving portion (5).
- A railway vehicle door device (100) comprising:a manual locking device (100) according to any of claims 1 to 12,a the door leaf (10) for opening and closing a doorway (200) of a railway vehicle; andthe drive source (3) for driving the door leaf (10).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2020189854A JP2022078890A (en) | 2020-11-13 | 2020-11-13 | Manual locking device and railroad door device |
Publications (2)
Publication Number | Publication Date |
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EP4001564A1 EP4001564A1 (en) | 2022-05-25 |
EP4001564B1 true EP4001564B1 (en) | 2024-05-22 |
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ID=78085870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP21201455.9A Active EP4001564B1 (en) | 2020-11-13 | 2021-10-07 | Manual locking device and railway vehicle door device |
Country Status (3)
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EP (1) | EP4001564B1 (en) |
JP (1) | JP2022078890A (en) |
CN (1) | CN114482728B (en) |
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CN117928994B (en) * | 2024-03-25 | 2024-05-31 | 南京康尼机电股份有限公司 | Intelligent diagnosis and health state prediction and early warning method for vehicle door system based on transmission force |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2046828B (en) * | 1979-02-10 | 1983-02-02 | Westinghouse Brake & Signal | Sliding door latching mechanisms |
US5755060A (en) * | 1995-06-09 | 1998-05-26 | Vapor Canada, Inc. | Compact panel lock for an overhead mounted door panel operator |
AU2003266796A1 (en) * | 2000-06-13 | 2004-01-15 | Watts Hardware Manufacturing Pty Ltd | Improvements in Locks |
JP4219185B2 (en) * | 2003-02-19 | 2009-02-04 | 株式会社岡村製作所 | Locking and unlocking device for doors in furniture |
JP2004324159A (en) | 2003-04-23 | 2004-11-18 | Fuji Electric Systems Co Ltd | Streetcar side sliding door device |
ES2393008T3 (en) * | 2006-11-10 | 2012-12-17 | Nabtesco Corporation | Opening and closing device with lock |
EP2754796B1 (en) * | 2011-09-09 | 2018-10-24 | Nabtesco Corporation | Opening and closing apparatus with lock |
JP6180806B2 (en) * | 2013-06-13 | 2017-08-16 | ナブテスコ株式会社 | Door opener |
CN103397821B (en) * | 2013-07-19 | 2016-03-30 | 广州新科佳都科技有限公司 | A kind of half high sliding door of screen door electronic lock based on fork and jam plate |
-
2020
- 2020-11-13 JP JP2020189854A patent/JP2022078890A/en active Pending
-
2021
- 2021-09-18 CN CN202111098969.3A patent/CN114482728B/en active Active
- 2021-10-07 EP EP21201455.9A patent/EP4001564B1/en active Active
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JP2022078890A (en) | 2022-05-25 |
CN114482728A (en) | 2022-05-13 |
CN114482728B (en) | 2023-08-08 |
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