EP3561208B1 - Mecanisme d'ouverture de porte, en particulier pour vehicules de transport public - Google Patents

Mecanisme d'ouverture de porte, en particulier pour vehicules de transport public Download PDF

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Publication number
EP3561208B1
EP3561208B1 EP19171268.6A EP19171268A EP3561208B1 EP 3561208 B1 EP3561208 B1 EP 3561208B1 EP 19171268 A EP19171268 A EP 19171268A EP 3561208 B1 EP3561208 B1 EP 3561208B1
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EP
European Patent Office
Prior art keywords
slider
point
axis
support member
roller
Prior art date
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Active
Application number
EP19171268.6A
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German (de)
English (en)
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EP3561208A1 (fr
Inventor
Carlo RUI
Gaetano TELLINA
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Bode Sud SpA
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Bode Sud SpA
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Publication date
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Publication of EP3561208A1 publication Critical patent/EP3561208A1/fr
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Publication of EP3561208B1 publication Critical patent/EP3561208B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
    • E05D15/1065—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving track
    • E05D15/1068—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving track specially adapted for use in railway-cars or mass transit vehicles
    • 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
    • E05F15/646—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 allowing or involving a secondary movement of the wing, e.g. rotational or transversal
    • 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
    • E05F15/655—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings specially adapted for vehicle wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
    • E05D15/1065—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving track
    • E05D2015/1071—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving track the track being directly linked to the fixed frame, e.g. slidingly
    • 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
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/56—Power-operated mechanisms for wings using fluid-pressure actuators for horizontally-sliding wings
    • E05F15/565—Power-operated mechanisms for wings using fluid-pressure actuators for horizontally-sliding wings for railway-cars
    • 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
    • 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
    • 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
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/266—Form or shape curved
    • 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 invention relates to a door opening mechanism for opening/closing doors with one or two leafs, in particular for a public transport vehicle, for example a bus, a tram or a train.
  • the lateral sides of public transport vehicles are provided with one or more doors sliding between a closed configuration and an open configuration for the entry and the exit of passengers in the vehicle.
  • the leaf or the leafs of each door are arranged flush with the relative vehicle side to close a passage.
  • each leaf is arranged laterally with respect to the passage, outside and in a position spaced apart with respect to the vehicle side.
  • Some known embodiments provide a mechanism that gives to a door leaf a dual movement, i.e. a movement with a lateral sliding component, parallel to the vehicle side, and with a vehicle outward expulsion component, when opening, or with a vehicle inward return component, when closing.
  • a second additional leaf, where provided, moves by means of known transmissions in response to the movement of the leaf dragged by the mechanism.
  • the mechanism typically includes a guide for constraining the movement of the leaf along a trajectory lying on a horizontal plane.
  • the guide has a straight part and a curved end part facing the inside of the vehicle to give the leaf the expulsion/return component.
  • EP2325404 describes a door opening mechanism comprising a sleeve, which is fixed with respect to the door leaf, engages the aforesaid guide by means of a roller and is slidable along a horizontal bar, in turn movable in a transverse direction.
  • the mechanism further comprises a slider or cart, which is slidable along a corresponding guide parallel to the horizontal bar and is coupled to the sleeve by means of a connecting rod.
  • the connecting rod is inclined so that a thrust applied to the inner face of the leaf results in a thrust on the cart 20 directed to the closing direction to prevent any accidental opening of the door.
  • the connecting rod has an end that engages the guide where the roller carried by the leaf slides. Also in this case, when the door is closed the connecting rod is inclined to prevent any accidental opening of the door.
  • the object of the present invention is to provide a door opening mechanism, in particular for public transport vehicles, which simply and inexpensively fulfils the requirement set forth above.
  • a door opening mechanism is provided, in particular for public transport vehicles, as defined in the attached independent claim; further features are defined in the dependent claims.
  • the reference number 1 indicates, as a whole, a public transport vehicle, of which only certain parts are shown in a simplified manner.
  • the vehicle 1 is shown in a Cartesian system of mutually orthogonal axes X, Y, Z, where the axis X is horizontal and parallel to a travel direction of the vehicle, the axis Y is vertical and the axis Z is horizontal and orthogonal to the axis X.
  • the vehicle 1 has a passenger compartment 2 and comprises a frame 3 that supports a pair of vehicle sides 4 (of which only one is partially shown in Figure 1 ) laterally delimiting the passenger compartment 2.
  • One of the vehicle sides 4 has at least one door compartment 4a to allow the entry and the exit of the passengers.
  • the vehicle 1 comprises a door 5, in particular of the type comprising two leafs (indicated, respectively, by the reference numbers 6 and 7).
  • the leafs 6, 7 are coupled to the frame 3 in a movable manner between a closed configuration, in which they are arranged flush with one another and with the vehicle side 4 to close the door compartment 4a, and an open configuration, in which they are arranged outside the passenger compartment 2, in positions facing the vehicle side 4 and on opposite sides of the door compartment 4a.
  • the door 5 comprises a door opening mechanism 8, which supports and moves the leafs 6 and 7.
  • the mechanism 8 comprises a supporting structure 8a (partially shown) that is fixed to the frame 3 or constitutes an integral part of the frame 3.
  • the mechanism 8 comprises an actuator assembly 9, preferably electric or pneumatic, for opening and closing the leafs 6, 7.
  • the mechanism 8 comprises a transmission not shown, e.g. a transmission with cables, tapes, belts or chains, which symmetrically transfers the movement of leaf 6 to leaf 7.
  • the mechanism 8 comprises a support device 10 movable in response to the actuation of the actuator 9 and comprising, in turn, a horizontal crossbar 11 that is parallel to the axis X and is coupled to the supporting structure 8a to be able to move along the axis Z, i.e. orthogonally to the vehicle side 4.
  • the crossbar 11 comprises a main body 12 of elongated shape and having two opposite ends 12a, 12b, which engage respective linear guides 13 ( Figure 3 ) parallel to the axis Z and fixed to the supporting structure 8a.
  • the crossbar 11 comprises a linear guide 14 that is arranged below the body 12, is parallel to the axis X and is carried in a fixed position by the body 12.
  • the guide 14 is fixed to the body 12 by means of threaded members.
  • the support device 10 comprises a cart 20 slidably coupled to the guide 14. Therefore, the crossbar 11 defines a coupling element of the cart 20 to the supporting structure 8a, so that the cart 20 is able to move in a horizontal plane defined by the axes X and Z.
  • the cart 20 preferably comprises a bracket 21, which is substantially C-shaped and is arranged laterally and astride the body 12.
  • the bracket 21 comprises:
  • the cart 20 further comprises a slide 22, fixed to the portion 21b and slidingly engaging the guide 14, so that the slide 22 and the bracket 21 translates parallel to the axis X and relatively to the crossbar 11.
  • the slide 22 is coupled to the leaf 6 through a connecting and supporting structure 10a having an arm that protrudes downwards and along the axis Z towards the outside and is fixed to an upper end of the leaf 6 itself.
  • the structure 10a has an articulation (not shown) that allows a slight relative rotation between the cart 20 and the leaf 6 about a direction parallel to the axis X.
  • the support device 10 allows two degrees of freedom of translation to the leaf 6 that, being coupled to the cart 20, can either slide parallel to the vehicle side 4, namely to the axis X, or perpendicularly to the vehicle side 4, namely to the axis Z.
  • the mechanism 8 further comprises a guide 23 that is carried in a fixed position by the supporting structure 8a above the cart 20 and constrains the cart 20 to move along a trajectory 24 on the aforementioned horizontal plane.
  • the guide 23 is a groove defined by a wall that protrudes downwards from a horizontal plate of the supporting structure 8a.
  • the cart 20 is coupled to the guide 23 by means of a pin or a roller 25 that is carried in a fixed position by the bracket 21, protrudes upwards from this latter and slidingly engages the guide 23 to follow the trajectory 24.
  • the trajectory 24 comprises a straight section 26 parallel to the axis X and a curvilinear section 27.
  • the roller 25 runs along the section 26
  • the leaf 6 has a translation movement substantially parallel to the vehicle side 4.
  • the roller 25 runs along the section 27, the leaf 6 has a mixed movement comprising a translation component along the axis X and a transverse translation component with respect to the vehicle side 4, namely along the axis Z.
  • the trajectory 24 comprises: a point A, coinciding with an end of the section 27; a point B, corresponding to a connection point between sections 26 and 27; and a point C, coinciding with an end of the section 26.
  • the point B has the same coordinate as the point C and is more external than the point A with respect to the passenger compartment 2.
  • the mechanism 8 further comprises a slider 34 that is operated by the actuator assembly 9 in a manner not described in detail and is slidable parallel to the axis X between a first end-of-stroke position, corresponding to the aforementioned closed configuration, and a second end-of-stroke position, corresponding to the above open configuration.
  • the slider 34 is arranged vertically between the bracket 21 and the guide 23 and is slidably coupled to a guide 35 that is parallel to the axis X and is fixed to the supporting structure 8a.
  • the mechanism 8 comprises a transmission 36, which is configured so that the translation of the slider 34 causes a corresponding displacement of the roller 25 along the trajectory 24.
  • the transmission 36 is of the cam-follower type or of the guide-slide type, and comprises a first cam or guide preferably defined by a slot 37, which is formed on a plate of the slider 34 and extends horizontally, i.e. parallel to the plane defined by the axes X, Z.
  • the slot 37 is delimited by a pair of facing edges 37a and by a pair of semi-circular end edges 37b, 37c, which connect the edges 37a to each other.
  • the transmission 36 comprises a follower or slide, preferably defined by a pin or roller 46, which slidingly engages the slot 37, is in contact with the edges 37a, is carried in a fixed position by the cart 20, and in particular protrudes upwards from the bracket 21.
  • the slot 37 defines a curvilinear path 39 that is followed by the roller 46.
  • the path 39 has such a length and a shape to guide the roller 46 and then drag the bracket 21 along the trajectory 24, avoiding that the roller 25 sticks in the guide 23.
  • the path 39 comprises two opposite extreme points E and F, respectively near the edges 37b and 37c, and an intermediate point D between the points E and F defining a point of minimum coordinate along the axis Z, or a dead point position for the stroke of the roller 46.
  • the point D coincides with the apex of an elbow-shaped section of the path 39.
  • This elbow-shaped section is indicated by the reference number 40 and extends starting from the point E up to a point G, intermediate between the points D and F and having the same coordinate of the point E along the axis Z.
  • the distance between the points D and F is equal to the distance between the points A and B (i.e. between the points A and C). Therefore, when the roller 25 engages the guide 23 between the points B and C, the roller 46 occupies the point F of the path 39. Preferably, in this operating condition an empty space is provided between the roller 46 and the edge 37c.
  • the elbow-shaped section 40 consists of two sections 41, 42, separated from each other by the point D.
  • a straight line tangent to any point of the section 41 and a further straight line tangent to any point of the section 42 have slopes of opposite sign with respect to the axis Z.
  • the section of the path 39 that goes from the point G to the point F is indicated by the reference number 44 and can be defined by a single straight part, or can be defined by several straight parts filleted together, or can be curvilinear.
  • a further translation of the slider 34 towards the second end-of-stroke position causes the roller 46 to slide along the portion 42, i.e. from the point D to the point G.
  • the roller 25 returns from the point A to the point H and, consequently, the crossbar 11 and the cart 20 return to the position they had when the door 5 was in the closed configuration.
  • the roller 46 remains at the point F along the path 39, so that the cart 20 moves integrally with the slider 34.
  • the roller 25, in this phase runs along the entire section 26 until it reaches the point C, i.e. the most advanced end of the trajectory 24.
  • the crossbar 11 remains in the previous position, along the axis Z, while the leafs 6 and 7 run substantially in parallel with the vehicle side 4 until reaching the open configuration, in which they are arranged at a maximum distance from each other in the direction of the axis X.
  • the actuator assembly 9 is operated to translate the slider 34 in the opposite direction, namely from the second end-of-stroke position to the first end-of-stroke position.
  • the movement of the rollers 25 and 46 is exactly the reverse of the one described above for opening the door 5, so that it is not further described in detail for brevity's sake.
  • the mechanism 8 preferably supports and drags also the lower ends of the leafs 6, 7.
  • the mechanism 8 comprises two crank mechanisms 47 ( Figure 1 ), of arranged on opposite sides of the door compartment 4a and respectively couple the ends 12a, 12b of the crossbar 11 to the lower ends of the leafs 6, 7.
  • the crank mechanisms 47 can be designed to impose to the leafs 6 and 7 a slight rotation about the axis Y in response to the translation of the crossbar 11, namely during the opening/closing movement of the leafs 6, 7.
  • the shape of the section 44 of the slot 37 imposes the relative speed component of the roller 46 with respect to the slot 37 along the axis X. Therefore, the slope or inclination of the section 44 determines, depending on the speed of the slider 34, also the absolute speed component of the rollers 25, 46 along the axis X.
  • the relative speed component of the roller 46 with respect to the slot 37 is equal to the absolute speed component of the roller 25, 46, which is imposed by the shape of the guide 23 (as well as by the speed of the slider 34).
  • the absolute speed component along the axis X of the roller 46 is equal to the one of the slider 34, as mentioned above.
  • the transmission 36 optionally comprises a second cam or guide preferably defined by a recess 48 formed at an edge 49 ( Figure 7 ) of the slider 34.
  • the recess 48 is delimited by a pair of facing edges 48a and by a semicircular edge 48b connecting the edges 48a.
  • the edges 48a are spaced apart, preferably by the same distance existing between the edges 37a, and end at an opening 49a formed along the edge 49.
  • the recess 48 extends along a path 50, which is identical in shape and orientation to the section 41, i.e. to the portion of the path 39 between the points E, D.
  • the path 50 is parallel to the section 41.
  • the path 50 results from a translation of the section 41 along the axis X in the opposite direction with respect to the translation of the slider 34 from the first to the second end-of-stroke position.
  • the transmission 36 comprises a pin or roller 51, which has an axis parallel to the roller 46, is carried in a fixed position by the bracket 21 so as to protrude upwards from this latter and slidingly engages the slot 48 when the roller 46 runs along the section 41.
  • the edges 48a guide the roller 51 along the path 50.
  • the roller 46 runs along the portion 42, the roller 51 disengages from the slot 48 and is uncoupled from the slider 34.
  • the coupling of the roller 51 in the recess 48 does not hinder the movement of the roller 46 in the slot 37.
  • the roller 51 when the roller 46 is at the point D (dead point configuration), the roller 51 is arranged at a point L at the opening 49a; when the roller 46 is at the point E (leafs 6, 7 in the closed configuration), the roller 51 is arranged at a point M. Possibly, an empty space could be provided between the point M and the edge 48b.
  • the recess 48 is rearranged by a further slot defining a path perfectly identical in the form and orientation to the path 39.
  • the orientation of the section 41 in the plane defined by the axes X and Z prevents the slider 34 from translating towards the second end-of-stroke position, in case of an attempt to open the door 5 by exerting a horizontal thrust on the leafs 6 and/or 7 (along the axis Z) from the inside of the passenger compartment 2 to the outside of the vehicle 1.
  • This thrust is transmitted to the rollers 46, 51 through the connecting structure 10a and the cart 20.
  • the thrust is divided into two components, one of which is normal to the path 39 and is transferred to the frame 3 via the guide 35, whereas the other component is tangent to the path 39 and is directed from the point D to the point E.
  • This last tangential thrust component tends to make the roller 46 slide in the slot 37 in the direction going from the point D to the point E, namely in a direction opposite to the one the roller 46 should have when the slider 34 moves from the first to the second end-of-stroke position to open the door 5.
  • the thrust exerted on the leafs 6, 7 tends to lock more the leafs 6, 7 in the closed position, instead of opening them.
  • the same phenomenon occurs in the recess 48, where the thrust of the roller 51 is divided into two components, the one tangential and the other normal to the path 50.
  • the tangential component tends to translate the roller 51 in a direction that goes from the point L to the point M and, therefore, also causes the locking of the leafs 6, 7 in the closed configuration.
  • the mechanism 8 comprises, in replacement of the transmission 36, a transmission 36' that has the same function as the transmission 36 and has a dual configuration and structure with respect to the one shown in Figures 3 to 6 .
  • Components, paths, locations, etc. relating to the transmission 36' have been indicated by the same reference numbers used in Figures 3 to 6 , but followed by a superscript.
  • the transmission 36' differs from the transmission 36 due to the fact that the slot 37' and the possible recess 48' are carried by the cart 20, in particular are formed on the bracket 21, more particularly on the plate portion 21a.
  • the slot 37' has the same shape as the slot 37 but, with respect to this latter, it has an orientation rotated by 180° about the axis Y.
  • the point D' defines a dead point configuration as it has a maximum coordinate with respect to the points of the path 39' along the axis Z.
  • the recess 48' is rotated by 180° with respect to the recess 48 about the axis Y.
  • the pins or rollers 46' and 51' are carried in fixed positions by the slider 34, from which they protrude downwards.
  • the roller 46' engages the slot 37' in the point E' and the roller 51' engages the recess 48' in the point M'.
  • the roller 25 engages the guide 23 in the point B
  • the roller 46' is at the point F' of the profile 39', while the roller 51' is at the point L'.
  • the roller 46' runs along the guide 23 between the points B and C, the roller 46' remains at the point F', while the roller 51' is outside the recess 48.
  • the operation of the transmission 36' is entirely similar to the one of the transmission 36: the edges 37a' of the slot 37' and the edges 48a' of the recess 48' are respectively pushed by the rollers 46' and 51' (instead of translating together with the slider 34, as it occurred in the transmission 36).
  • the difference in orientation between the slots 37 and 37' determines the equivalence of the resulting movement of the cart 20.
  • the transmission 36' locks the door 5 if a thrust is exerted on the leafs 6, 7 along the axis Z from inside the passenger compartment 2.
  • the thrust transmitted to the rollers 46' and 51' is divided into two components, one of which is normal to the profiles 39' and 50', whereas the other one is tangential and directed towards the points E' and M', namely in the opposite direction with respect to the slider 34 when this latter moves towards the second end-of-stroke position for opening the door 5.
  • the mechanism 8 prevents any accidental opening of the door 5 by means of the transmission 36, 36', which has a self-locking function and includes a minimum number of components to perform this function.
  • the cams (defined by the slots 37, 37' and by the recesses 48, 48') and the followers (defined by the rollers 46, 46', 51, 51') cause the movement of the bracket 21 (and therefore of the cart 20 and of the leafs 6, 7) in response to the pure and exclusive translation of the slider 34 for the entire stroke of this latter following the direction of the axis X.
  • the mechanism 8 does not comprise rotating or flexible elements, for example cables or tie rods, which would involve an unnecessary complication of the mechanism 8.
  • the slider 34 has only a translation movement without rotations.
  • the simplicity of the mechanism 8 also derives from the fact that the slider 34 must not be coupled directly to the guide 23 during assembly.
  • the self-locking function of the transmission 36, 36' it is not necessary to provide additional actuators or safety mechanisms to prevent the accidental opening of the door 5 when the leafs 6, 7 are in the closed configuration.
  • the presence of the slot 48 and of the roller 51 allows a distribution of the thrust between the rollers 46, 51 that are therefore less stressed.
  • a suitable arrangement of the rollers 46, 51 with respect to the centre of gravity of the bracket 21 avoids the transmission of a torque on the slider 34 due to this thrust.
  • the project definition of the design of the slot 37, 37' allows determining a variable speed profile for the bracket 21 and for the leafs 6, 7, although the slider 34 is translated with a constant speed.
  • the shape of the slots 37, 37' may be different from the one described and shown, although suitable for performing the aforementioned self-locking function.
  • the section between the points G and E and, respectively, the section between the points G' and E' could be straight and parallel to the axis X. Consequently, in this variant, the points H and A would coincide, and the paths 50, 50' would be straight and parallel to the axis X.
  • the thrust caused by an attempt to open the door 5 is transferred by the cart 20 with a single component, orthogonal to the paths 39, 39', 50, 50' (i.e. directed along the axis Z), without any tangential component.
  • the transmission 36, 36' could include a number of cams different from the one indicated, for example the slot 48, 48' and the roller 51, 51' could be absent.
  • the structure 10a could be coupled to the structure 8a by means of a coupling device different from the crossbar 11, but always such as to allow movement on a horizontal plane.
  • the door 5 could have only one leaf, for example identical to the leaf 6, and/or be used in a field other than the vehicle field.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)

Claims (10)

  1. Mécanisme d'ouverture de porte (8), en particulier pour des véhicules de transport public, le mécanisme comprenant :
    - une structure de support (8a) ;
    - un organe de support (20) conçu pour porter un ouvrant (6) d'une porte (5) ;
    - des moyens de couplage (13, 11, 22) qui couplent ledit organe de support (20) à ladite structure de support (8a) de sorte que l'organe de support (20) soit mobile parallèlement à un plan horizontal, ledit plan étant défini par des premier et second axes (X, Z) orthogonaux l'un à l'autre ;
    - un guide (23) fixe par rapport à ladite structure de support (8a), engagé en coulissement par ledit organe de support (20) et façonné de manière à guider ledit organe de support (20) le long d'une trajectoire (24) sur ledit plan horizontal pour ouvrir/fermer ledit ouvrant (6) ;
    - un coulisseau (34) conçu pour être actionné par un ensemble actionneur (9) de manière à translater par rapport à ladite structure de support (8a) le long dudit premier axe (X) entre une première position de fin de course, correspondant à un état d'ouvrant fermé, et une seconde position de fin de course, correspondant à un étant d'ouvrant ouvert ; et
    - des moyens de transmission (36 ; 36') qui couplent ledit coulisseau (34) audit organe de support (20) de sorte qu'une translation dudit coulisseau (34) corresponde à un déplacement dudit organe de support (20) le long de ladite trajectoire (24) ;
    lesdits moyens de transmission (36 ; 36') comprenant une première came (37 ; 37') portée par un premier élément défini par l'un parmi ledit organe de support (20) et ledit coulisseau (34), et un premier suiveur (46 ; 46') engageant ladite première came (37 ; 37') et porté par un second élément défini par l'autre parmi ledit organe de support (20) et ledit coulisseau (34) ;
    caractérisé en ce que ladite première came (37 ; 37') est façonnée pour empêcher toute translation dudit coulisseau (34) vers la seconde position de fin de course, lorsque ledit coulisseau (34) est agencé à la première position de fin de course et ledit organe de support (20) reçoit une force dirigée parallèlement audit second axe (Z), dans lequel ladite première came (37 ; 37') définit un trajet curviligne (39) à suivre par ledit premier suiveur (46 ; 46') et comprenant deux points extrêmes (E, F) et un point intermédiaire (D) entre lesdits points extrêmes (E, F) définissant une position de point mort pour le premier suiveur (46 ; 46') ; le point intermédiaire (D) coïncidant avec le sommet d'une section en forme de coude dudit trajet curviligne (39) ou appartenant à une section droite dudit trajet curviligne (39) parallèle audit premier axe (X).
  2. Mécanisme selon la revendication 1, caractérisé en ce que ledit coulisseau (34) n'engage pas ledit guide (23).
  3. Mécanisme selon la revendication 1 ou 2, caractérisé en ce que ledit coulisseau (34) est couplé à ladite structure de support (8a) de manière à pouvoir translater uniquement parallèlement audit premier axe (X) .
  4. Mécanisme selon la revendication 2, caractérisé en ce qu'il comprend un guide droit (35) fixé à ladite structure de support (8a) ; ledit coulisseau (34) étant couplé en coulissement audit guide droit (35).
  5. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits moyens de couplage comprennent une barre transversale (11) mobile par rapport à ladite structure de support (8a) le long dudit second axe (Z) ; ledit organe de support (20) comprenant un chariot couplé en coulissement à ladite barre transversale (11) le long dudit premier axe (X).
  6. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite trajectoire (24) comprend :
    - un premier point d'extrémité (A) correspondant à une position intermédiaire dudit coulisseau (34), agencé entre lesdites première et seconde positions de fin de course ;
    - un second point d'extrémité (C) correspondant à la seconde position de fin de course dudit coulisseau (34) ;
    - un point d'ouvrant fermé (H) correspondant à ladite première position de fin de course ;
    ladite première came (37 ; 37') comprenant une section de verrouillage (41) façonnée de manière à empêcher toute translation dudit coulisseau (34) vers ladite seconde position de fin de course lorsque ledit coulisseau (34) est agencé entre ladite première position de fin de course et ladite position intermédiaire et ledit organe de support (20) reçoit une force dirigée parallèlement audit second axe (Z).
  7. Mécanisme selon la revendication 6, caractérisé en ce que ledit point d'ouvrant fermé (H) coïncide avec ledit premier point d'extrémité (A).
  8. Mécanisme selon la revendication 6, caractérisé en ce que ledit point d'ouvrant fermé (H) est agencé à une position intermédiaire entre lesdits premier et second points d'extrémité (A, C) ; ladite section de verrouillage étant façonnée de manière à forcer ledit organe de support (20) à se déplacer entre ledit point d'ouvrant fermé (H) et ledit premier point d'extrémité (A), lorsque ledit coulisseau (34) est translaté entre la première position de fin de course et la position intermédiaire.
  9. Mécanisme selon la revendication 7 ou 8, caractérisé en ce que ledit point d'ouvrant fermé (H) est agencé à une position intermédiaire entre lesdits premier et second points d'extrémité (A, C) ; ladite première came (37 ; 37') comprenant une section en forme de coude (40) ayant un point mort (D), depuis lequel ladite section de verrouillage (41) s'étend ; ledit suiveur occupant ledit point mort (D) lorsque ledit coulisseau (34) est agencé à la position intermédiaire.
  10. Mécanisme selon l'une quelconque des revendications 6 à 9, caractérisé en ce que lesdits moyens de transmission (36 ; 36') comprennent en outre :
    - une seconde came (48 ; 48') parallèle à ladite section de verrouillage et portée par ledit premier élément ; et
    - un second suiveur (51, 51') porté par ledit second élément (46 ; 46') et engageant en coulissement ladite seconde came (48 ; 48') lorsque ledit coulisseau (34) est agencé et/ou coulisse entre une première position de fin de course et la position intermédiaire.
EP19171268.6A 2018-04-26 2019-04-26 Mecanisme d'ouverture de porte, en particulier pour vehicules de transport public Active EP3561208B1 (fr)

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CN110792351A (zh) * 2019-10-31 2020-02-14 广东图特家居科技股份有限公司 弧形导轨组件、导向机构和平趟门装置
CN112112506A (zh) * 2020-08-18 2020-12-22 开沃新能源汽车集团股份有限公司 一种线控自动车门的承载同步机构

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DE202005007983U1 (de) * 2005-05-21 2006-10-05 Gebr. Bode Gmbh & Co. Kg Schiebetür oder Schwenkschiebetür für Fahrzeuge des öffentlichen Personennah- und -fernverkehrs
EP1767427B1 (fr) * 2005-09-23 2008-12-10 Fahrzeugtechnik Dessau AG - Railroad Technologies - Dispositif pour le mouvement d'un vantail de porte d'une porte pivotante coulissante, notamment pour véhicules ferroviaires
GB2447226A (en) * 2007-03-03 2008-09-10 Door Systems Group Ltd Operating Mechanism for Sliding Plug Doors
DE102009052724A1 (de) 2009-11-12 2011-05-19 Hewitech Gmbh & Co. Kg Einbau für eine Vorrichtung zur Behandlung, Kühlung oder Speicherung eines Fluids, wie beispielsweise eines Gases oder einer Flüssigkeit
PL2362046T3 (pl) 2010-02-19 2015-09-30 Oy Tamware Ab Mechanizm drzwi odskokowo-przesuwnych

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