JP2012188859A - Plug door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-size plug door device that can make a door drive mechanism, which applies a force to a door in the forward/backward direction of a vehicle, conduct opening/closing operation and plug operation, and in addition, can be applied to a single-sliding door.SOLUTION: A slide base 12 is installed as slidable in the vehicle width direction with respect to a fixed base 11. A door drive mechanism 13 that moves a single door 104 in the forward/backward direction of a vehicle via a connection part 19 comprises a driving part 13a including an electric motor 21, a driving wheel member 13b, a driven wheel member 13c, and an endless member 13d, and is installed on the slide base 12. A guide part 15 guides a shaft part 14 provided on the connection part 19 so that the shaft part moves in the vehicle width direction. In a double-speed rail 16 in which a pinion 16c is disposed between two racks (16a, 16b), one rack 16b is connected to the slide base 12 while the other rack 16a is connected to the door 104 side, and the pinion 16c is connected to the connection part 19 side.

Description

  The present invention relates to a plug door device that is installed at an entrance of a vehicle and performs a door opening / closing operation and a plug operation for moving the door in the width direction of the vehicle.

  2. Description of the Related Art Conventionally, there is known a plug door device that is installed at an entrance of a vehicle and performs a door opening / closing operation and a plug operation for moving the door in the vehicle width direction (see, for example, Patent Document 1). The plug door device disclosed in Patent Document 1 is configured as a plug door device that opens and closes a double-drawing door provided as a pair of doors installed at the entrance. The plug door device includes a fixed base fixed to a vehicle body, a slide base provided on the fixed base so as to be movable in the width direction of the vehicle, and provided on the slide base. And a door drive mechanism provided as a door drive device that moves in the front-rear direction.

  Further, the plug door device of Patent Document 1 is provided with a shaft portion provided at the connecting portion and a fixed base so as to be rotatable, and when the door is opened, the shaft portion rotates while abutting the shaft portion and the shaft portion is a vehicle. The shaft is guided so as to move to one side in the width direction of the vehicle, and when the door is closed, the shaft is guided so that the shaft moves to the other in the width direction of the vehicle by rotating while contacting the shaft. And a guide portion to be further provided. As a result, the plug door device is configured as a small plug door device capable of performing an opening / closing operation and a plug operation by a door drive mechanism that applies a force in the front-rear direction of the vehicle to the door.

  Moreover, in the plug door apparatus of patent document 1, the door drive mechanism which moves a door to the front-back direction of a vehicle via a connection part is provided with the rack and pinion mechanism for moving a connection part. The rack and pinion mechanism is configured such that the driving force of the electric motor is input to the pinion via the planetary gear mechanism, and a pair of racks that mesh with the pinion move in opposite directions.

JP 2010-95939 A

  As described above, the plug door apparatus disclosed in Patent Document 1 is configured as a plug door apparatus that opens and closes two doors that are configured as a pair. And the door drive mechanism in a plug door apparatus is comprised so that a door may be moved to the front-back direction of a vehicle by the rack and pinion mechanism to which a pair of rack meshing | engaged with a pinion moves mutually reversely. For this reason, when the plug door device of Patent Document 1 is used as a plug door device that performs opening / closing operation and plug operation of one single door, for example, the rack is used only on the upper side or the lower side. However, since the operating range of the rack is required to be equal to or larger than the opening width of the door, the rack greatly protrudes from the entrance / exit where the door is installed in the front-rear direction of the vehicle. Therefore, the plug door device of Patent Document 1 has a limited installation space, and is difficult to apply as it is to a one-way door.

  In view of the above circumstances, the present invention can realize a small plug door device capable of performing an opening / closing operation and a plug operation with a door drive mechanism that applies a force in the vehicle front-rear direction to the door. It is an object of the present invention to provide a plug door device that can be applied to a single door.

  A plug door device according to a first aspect of the present invention for achieving the above object relates to a plug door device that is installed at an entrance of a vehicle and performs a door opening / closing operation and a plug operation for moving the door in the width direction of the vehicle. The plug door device according to the first aspect of the present invention includes a fixed base fixed to the vehicle body, a slide base installed on the fixed base so as to be slidable in the width direction of the vehicle with respect to the fixed base, A drive unit including an electric motor, a drive wheel member to which a drive force from the drive unit is input, at least one driven wheel member provided corresponding to the drive wheel member, and the drive wheel member and the driven wheel An endless member that is wound around the member and rotates the driven wheel member in accordance with the rotation of the drive wheel member. A door drive mechanism for moving the doors in the front-rear direction of the vehicle, a shaft portion provided in the door or the connecting portion, and a fixed base that is rotatably mounted, and when the door is opened, The shaft portion is guided so that the shaft portion moves while being in contact with the shaft portion and moves to one side in the width direction of the vehicle, and when the door is closed, the shaft portion is rotated while being in contact with the shaft portion. Then, the guide portion that guides the shaft portion so that the shaft portion moves to the other side in the width direction of the vehicle, the two racks facing each other, and the pinion disposed between the two racks, The two racks are installed to extend in the front-rear direction of the vehicle, one of the two racks is connected to the slide base, the other is connected to the door side, and the pinion is connected to the connecting part side. And a double-speed rail connected to each other.

  According to this invention, the guide portion abuts on the shaft portion and rotates to guide the shaft portion in the vehicle width direction (hereinafter also referred to as “vehicle width direction”). Therefore, the operation of the guide portion is an operation that follows the movement of the door in the vehicle width direction. Thereby, the space which a guide part occupies in a vehicle width direction can be made smaller according to the movement condition to the vehicle width direction of a door. Thereby, the small plug door apparatus which can perform an opening / closing operation | movement and a plug operation | movement with the door drive mechanism which applies the force to the front-back direction of a vehicle with respect to a door is realizable. In addition, since the door drive mechanism moves the door in the longitudinal direction of the vehicle via a double speed rail composed of two racks and a pinion, the operation stroke of the door drive mechanism can be doubled to move the door efficiently. it can. For this reason, a further compact plug door device can be realized also in the longitudinal direction of the vehicle.

  And according to this invention, one door drive mechanism which is installed in a slide base and moves one door to the front-back direction of a vehicle via a connection part and a double speed rail from the drive part and drive part containing an electric motor The driving wheel member, the driven wheel member, and the endless member that rotates the driven wheel member as the driving wheel member rotates are configured. For this reason, the drive wheel member and the driven wheel member do not move during the operation of the door drive mechanism. Thus, unlike a door drive mechanism including a rack and pinion mechanism in which a pair of racks engaged with a pinion move in opposite directions as disclosed in Patent Document 1, a part of the door drive mechanism is provided with a door. It does not protrude greatly from the entrance. Therefore, the restriction of the installation space is greatly suppressed, and it can be easily applied to a one-way door. In addition, as a driving wheel member and a driven wheel member, a pulley, a sprocket, etc. can be used, for example, and a belt, a chain, a wire, etc. can be used as an endless member, for example.

  Therefore, according to the present invention, it is possible to realize a small plug door device capable of performing an opening / closing operation and a plug operation with a door drive mechanism that applies a force in the front-rear direction of the vehicle to the door. It is possible to provide a plug door device that can be applied to the above.

  The plug door device according to a second aspect of the present invention is the plug door device of the first aspect, further comprising a lock mechanism that can be locked so as to limit the movement of the door at the closed position of the door, and the drive unit includes the electric motor and , A sun gear, a planetary gear that meshes with the sun gear and revolves around the sun gear while rotating, a carrier that revolves the planetary gear and supports the planetary gear revolves, and a ring that meshes with the planetary gear A planetary gear mechanism including a gear, to which a driving force from the electric motor is input, and the driving force from the electric motor is input to any one of the sun gear, the carrier, and the ring gear. And a driving force output from any one of the sun gear, the carrier, and the ring gear is Wherein the input to the drive wheel member, said sun gear, the carrier, and the driving force output from the remaining one of said ring gear, and wherein the input to the lock mechanism.

  According to the present invention, the drive unit includes the electric motor and the planetary gear mechanism. In the sun gear, the carrier, and the ring gear of the planetary gear mechanism, the driving force of the electric motor is input to one of them, the driving force from the other one is output to the driving wheel member, and the driving force from the remaining one. Is output to the lock mechanism. Therefore, the door opening / closing operation, the plug operation, and the door locking operation by the lock mechanism can be performed by one electric motor, and a compact and efficient driving unit can be realized.

  A plug door device according to a third invention is the plug door device according to the second invention, wherein the lock mechanism is output to the lock mechanism from a lock fixing portion provided fixed to the fixed base, and the planetary gear mechanism. A lock moving portion that is movably provided by a driving force that is in contact with the lock fixing portion on the inner side in the width direction of the vehicle at a closed position of the door, and when the door is closed, The movement of the door to the outside in the width direction of the vehicle is restricted.

  According to the present invention, the lock moving portion abuts on the lock fixing portion fixed to the fixed base side on the inner side in the vehicle width direction, thereby restricting the movement of the door to the outer side in the vehicle width direction when closed. For this reason, when the door is closed, the door is restrained so that the door does not move more reliably and does not move outward in the vehicle width direction. Therefore, the door can be locked without rattling when closed.

  According to a fourth aspect of the present invention, there is provided the plug door device according to the third aspect, wherein the lock moving portion is fixed to the slide base, the slide contact portion being capable of contacting the lock fixing portion, and the slide contact portion. And a transmission member that transmits a driving force output from the planetary gear mechanism to the lock mechanism to the slide contact portion.

  According to the present invention, the driving force from the planetary gear mechanism is transmitted to the slide contact portion via the transmission member, whereby the slide contact portion slides on the slide rail along a predetermined regulated direction. Then contact the lock fixing part. For this reason, since the slide contact portion moves smoothly on the slide rail by the driving force from the planetary gear mechanism, it is possible to suppress the necessity of setting the strength of the planetary gear mechanism high. Thereby, the planetary gear mechanism can be configured more compactly.

  A plug door device according to a fifth invention is the plug door device according to the fourth invention, wherein the slide contact portion is provided in a block shape, and the slide block whose slide movement direction is regulated by the slide rail, and the slide block And a roller that is rotatably supported and is capable of contacting the lock fixing portion.

  According to this invention, the slide contact portion can move on the slide rail by the slide block while contacting the lock fixing portion by the rotatable roller. For this reason, it is suppressed that the frictional force with a lock fixing | fixed part prevents the movement on a slide rail of a slide contact part, and a slide contact part can move on a slide rail smoothly.

  A plug door device according to a sixth invention is the plug door device according to any one of the third to fifth inventions, wherein the lock fixing portion is formed as a surface orthogonal to the width direction of the vehicle, and the door is closed. A first surface that restricts movement of the door to the outside in the width direction of the vehicle by abutting with the lock moving portion at a time, and is orthogonal to the front-rear direction of the vehicle and abuts on the lock moving portion A driving force input from the planetary gear mechanism to the locking mechanism so that the driving wheel member is rotationally driven by a driving force input from the planetary gear mechanism to the driving wheel member. And a second surface for generating counterbalancing reaction forces.

  According to this invention, when the door is closed, the lock moving part comes into contact with the first surface of the lock fixing part, and the door is locked. On the other hand, when the door is opened and closed, the lock moving part and the second surface of the lock fixing part come into contact with each other, and the force acting between them is balanced, and the output from the planetary gear mechanism to the lock mechanism is fixed. It becomes a state. Then, the driving wheel member, the driven wheel member, and the endless member are actuated by the driving force input from the planetary gear mechanism to the driving wheel member, and the door is opened and closed. For this reason, the drive force is distributed from the planetary gear mechanism to the drive wheel member and the lock mechanism by the lock fixing portion provided with the first surface and the second surface that are orthogonal to each other. Therefore, it is possible to realize a configuration in which the driving force is efficiently distributed to the driving wheel member and the locking mechanism by a simple mechanism in which the first surface and the second surface are provided on the lock fixing portion.

  A plug door device according to a seventh aspect of the present invention is the plug door device according to any one of the third to sixth aspects, wherein the drive portion and the drive wheel member are disposed at a center portion of the slide base in the front-rear direction of the vehicle, A plurality of the driven wheel members are provided, and are arranged on both sides of the driving wheel member in the front-rear direction of the vehicle.

  According to the present invention, the drive unit that outputs the driving force to the lock mechanism is disposed at the central portion of the door in the front-rear direction of the vehicle, and the lock operation by the lock mechanism is performed at the central portion of the door. become. For this reason, the position where the door is locked is prevented from being biased, and the door is locked in a balanced manner at the central portion. In addition, since a plurality of driven wheel members are arranged on both sides in the vehicle front-rear direction with respect to the drive wheel member arranged in the central portion of the door, the endless member that circulates them is longer in the compact region. It can be arranged over a distance. For this reason, the circumference distance of an endless member can be ensured efficiently.

  According to the present invention, it is possible to realize a small plug door device capable of performing an opening / closing operation and a plug operation with a door driving mechanism that applies a force in the vehicle front-rear direction to the door, and further, for a one-way door. It is possible to provide a plug door device that can be applied.

It is a mimetic diagram showing the whole plug door device concerning one embodiment of the present invention. It is a schematic diagram which shows the cross section seen from the AA arrow line position of FIG. It is a schematic diagram as a front view of the plug door apparatus shown in FIG. It is a schematic diagram as a top view of the plug door apparatus shown in FIG. It is a schematic diagram which expands and shows the upper part of the door in FIG. It is a figure which shows typically the cross-sectional structure of the center part in the front-back direction of the vehicle of the door drive mechanism in the plug door apparatus shown in FIG. It is a top view of the plug mechanism in the plug door apparatus shown in FIG. It is a figure including the partial cross section seen from the DD arrow line position of the plug mechanism shown in FIG. FIG. 8 is a side view of the plug mechanism shown in FIG. 7 as viewed from the direction of arrow E. FIG. 8 is a rear view of the plug mechanism shown in FIG. 7, including a partial cross section viewed from the direction of arrow F. It is a top view for demonstrating the action | operation of the plug mechanism shown in FIG. It is a schematic diagram which expands and shows the lower part of the door in FIG. It is a front view of the locking mechanism in the plug door apparatus shown in FIG. It is a top view of the locking mechanism shown in FIG. It is a schematic diagram as a top view of the plug door apparatus shown in FIG. 3, and is a figure which also shows the position of the door where opening operation | movement was performed.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. The present invention can be applied as a plug door device that is installed at an entrance of a vehicle and performs an opening / closing operation of the door and a plug operation for moving the door in the width direction of the vehicle. And the plug door apparatus of this invention is applicable also to the door of the single drawing comprised by 1 sheet.

  FIG. 1 is a schematic diagram showing an entire plug door device 1 according to an embodiment of the present invention. FIG. 1 is a schematic view seen from the inside of the vehicle, and shows a state in which the door 104 is installed with respect to the entrance 102 of the vehicle. FIG. 2 is a schematic diagram showing a cross section viewed from the position of the arrows AA in FIG. FIG. 3 is a schematic diagram as a front view of the plug door device 1, and is an enlarged view of the upper portion of the door 104 in FIG. In FIG. 1, a state in which the plug door device 1 is housed in the vehicle at the upper part of the entrance 102 is indicated by a broken line, and in FIG. 3, illustration of elements on the vehicle side is omitted. FIG. 4 is a schematic view as a plan view of the plug door device 1 shown in FIG. FIG. 5 is a schematic diagram as a side view of the plug door device 1, and is an enlarged view of the upper portion of the door 104 in FIG.

[About overall configuration]
As shown in FIG. 1, a vehicle entrance / exit 102 is provided in the vehicle side wall 101. FIG. 1 illustrates a state in which the door 104 is closed, and the entrance 102 is indicated by a broken line. A frame 103 is fixed to the upper part of the entrance 102 so as to extend in the front-rear direction of the vehicle. Here, the front-rear direction of the vehicle is a direction parallel to the traveling direction of the vehicle, and is a direction indicated by a double-ended arrow B in FIG. The vehicle side wall 101 and the frame 103 constitute a part of the vehicle main body.

  One door 104 is installed so as to cover the entrance 102. One door 104 is a one-way door and is opened and closed by the plug door device 1. As shown well in FIG. 2, the door 104 is formed so as to gently curve and protrude toward the outside in the width direction of the vehicle on the lower side. Here, the width direction of the vehicle (hereinafter also referred to as “vehicle width direction”) is a direction perpendicular to the front-rear direction and the up-down direction of the vehicle, and is a direction indicated by a double-ended arrow C in FIG. In addition, the door 104 is comprised so that the entrance / exit 102 may be substantially sealed in the closed position (position shown in FIG.1 and FIG.2) which is a closed position.

  A plug door device 1 shown in FIGS. 1 to 5 is installed at a vehicle entrance / exit 102 and is provided as a device for performing an opening / closing operation of the door 104 and a plug operation for moving the door 104 in the vehicle width direction. The plug door device 1 is driven in the front-rear direction of the vehicle by a door drive mechanism 13 that drives the fixed base 11, the slide base 12, and the single door 104 to move in the front-rear direction of the vehicle. And a guide portion 15 for guiding the shaft portion 14, a double speed rail 16, a lock mechanism 17, a rotating arm 18, and the like. In FIG. 4, illustration of the fixed base 11 is omitted.

  The fixed base 11 is fixed to a plate-like member 103a that is a part of a frame 103 that constitutes the main body of the vehicle (see FIG. 5). Thus, the fixed base 11 is fixed so as not to move relative to the vehicle body. In addition, the fixed base 11 includes a flat plate-like portion 11a installed horizontally and a pair of slide support portions (11b, 11b) provided on both sides of the plate-like portion 11a in the vehicle front-rear direction. Yes. The slide support portion 11b is provided as a member that is installed in a block shape so as to extend in the vehicle width direction. A rail member 11c for supporting the slide base 12 so as to be slidable in the vehicle width direction is fixed to each slide support portion 11b. In addition, in this embodiment, the plate-shaped part 11a has illustrated the form comprised as two plate-shaped members each fixed with respect to the main body of a vehicle.

  The slide base 12 shown in FIGS. 3 to 5 is installed below the fixed base 11 so as to be slidable in the vehicle width direction with respect to the fixed base 11. The slide base 12 is provided with a main body portion 12a, a bracket portion 12b, and a wheel portion 12c that are installed so as to extend flat in the horizontal direction.

  The bracket portion 12b is bent downward with respect to the main body portion 12a at the end in the vehicle width direction (door 104 side) of the main body portion 12a, and further bent in the horizontal direction toward the outer side in the vehicle width direction. It is provided as an extending part. The bracket portion 12b is provided with a double-speed rail 16 described later. Moreover, the wheel part 12c is installed in the both sides of the vehicle front-back direction in the main-body part 12a, and is provided with the wheel which rolls on the rail member 11c extended in the vehicle width direction. Thereby, the slide base 12 is configured to be slidable in the vehicle width direction with respect to the fixed base 11.

[About door drive mechanism and double-speed rail]
The door drive mechanism 13 shown in FIGS. 3 to 5 is installed in the main body 12a of the slide base 12, and is provided as a mechanism for moving one door 104 in the front-rear direction of the vehicle via the connecting portion 19. In the present embodiment, the door drive mechanism 13 is installed on the lower side of the main body 12a. The door drive mechanism 13 includes a drive unit 13a including a direct drive brushless electric motor 21 (see FIG. 6 described later), a drive pulley 13b, a plurality of driven pulleys 13c, a drive belt 13d, and a plurality of idler pulleys 13e. , Etc. are provided.

  The driving pulley 13b is provided as a pulley to which the driving force from the driving unit 13a is input. The driven pulley 13c is provided corresponding to the driving pulley 13a, and in the present embodiment, two driven pulleys 13c are provided. The driving pulley 13b constitutes the driving wheel member of this embodiment, the plurality of driven pulleys 13c constitutes the driven wheel member of this embodiment, and the driving belt 13d constitutes the endless member of this embodiment. The drive belt 13d is a toothed belt and is wound around the outer periphery of the drive pulley 13b and the plurality of driven pulleys (13c, 13c) so as to rotate the drive pulley 13b. Accordingly, it is provided as a ring-shaped belt member that rotates the plurality of driven pulleys (13c, 13c). A connecting portion 19 is attached to the drive belt 13d.

  In the present embodiment, two idler pulleys 13e are provided, and are arranged between the drive pulley 13b and each driven pulley 13c at a position pressed against the drive belt 13d from the outside to the inside of the drive belt 13d. Yes. Thus, the drive belt 13d is wound around the outer periphery of each idler pulley 13e at a predetermined angle, and a predetermined tension is generated on the drive belt 13d.

  In addition, the drive part 13a and the drive pulley 13b are arrange | positioned in the center part of the front-back direction of the vehicle in the slide base 12. FIG. The plurality of driven pulleys (13c, 13c) are arranged on both sides in the vehicle front-rear direction with respect to the drive pulley 13b.

  FIG. 6 is a diagram schematically showing a cross-sectional structure of the central portion of the door drive mechanism 13 in the front-rear direction of the vehicle, and shows a cross-sectional structure of a plane perpendicular to the front-rear direction of the vehicle. FIG. 6 is illustrated in a simplified state with some components omitted, and hatching indicating a cross-sectional state is also omitted from the viewpoint of clearly showing the illustrated components. In FIG. 6, the outer shape of the lock mechanism 17 described later is also shown.

  As shown in FIG. 6, the drive unit 13 a is a planetary gear to which a driving force from the brushless electric motor 21 is input in addition to the brassless electric motor 21 that is provided as a driving source and constitutes the electric motor of the present embodiment. A mechanism 20 is provided. The planetary gear mechanism 20 includes a sun gear 20a, a plurality of planetary gears 20b, a carrier 20c, a ring gear 20d, and the like.

  The driving force from the brushless electric motor 21 is input to the sun gear 20a. The plurality of planetary gears 20b are arranged around the sun gear 20a, and are provided so as to mesh with the sun gear 20a and revolve around the sun gear 20a while rotating. The carrier 20c is provided as a frame member that rotatably supports each of the plurality of planetary gears 20b and supports the planetary gears 20b so as to revolve. The ring gear 20d is provided as a ring-shaped gear in which inner teeth that mesh with the planetary gears 20b are formed on the inner periphery.

  In the ring gear 20d, a ring-shaped portion in which inner teeth meshing with the planetary gears 20b are formed integrally with the drive pulley 13b inside the cylindrical drive pulley 13b. . Thereby, the number of parts is reduced. Further, the door drive mechanism 13 can be reduced in size because the sun gear 20a, the planetary gear 20b, and the ring gear 20d in the planetary gear mechanism 20 are disposed inside the drive pulley 13b. For this reason, the further miniaturization as the plug door apparatus 1 will be achieved.

  A part of the outer peripheral portion of the carrier 20 c is connected to the lock output portion 22. The lock output unit 22 is provided as a mechanism for inputting a driving force output from the carrier 20c to the lock mechanism 17 described later when the carrier 20c swings about the axis of the sun gear 20a. The lock output unit 22 is configured to convert the direction in which the driving force is output with respect to the driving force output by the swing of the carrier 20c, and to output the driving force in a linear direction parallel to the longitudinal direction of the vehicle. Has been. In addition, an output roller 22 a is provided at a tip portion that outputs the driving force in the lock output unit 22. The driving force of the carrier 20c is input to the lock mechanism 17 described later via the output roller 22a.

  In the present embodiment, the driving force from the direct drive brushless electric motor 21 is input to the sun gear 20a, and the driving force output from the ring gear 20d is input to the driving pulley 13b and output from the carrier 20c. In the above description, the driving force is input to the lock mechanism 17 as an example. The driving force from the brushless electric motor 21 is input to any one of the sun gear 20a, the carrier 20c, and the ring gear 20d, and is output from any one of the sun gear 20a, the carrier 20c, and the ring gear 20d. May be input to the driving pulley 20b and the driving force output from the remaining one of the sun gear 20a, the carrier 20c, and the ring gear 20d may be input to the lock mechanism 17.

  The connecting portion 19 that is attached to the driving belt 13d and transmits the driving force from the door driving mechanism 13 is configured by a bent plate-shaped member. And the edge part of the connection part 19 of these driven pulleys (13c, 13c) in the side wound by the drive belt 13d around the two driven pulleys (13c, 13c) without passing through the drive pulley 13b. It is fixed at the position between.

  Further, the connecting portion 19 is configured to once extend downward from a portion fixed to the drive belt 13d, then bend and horizontally extend toward the door 104, and further bend and extend upward. And the connection part 19 is being fixed to the support rail 16d in the double speed rail 16 mentioned later by the edge part of the part extended upwards.

  Further, the connecting portion 19 is provided with a protruding end portion 19a that is partially bent from an end portion of the portion extending upward and protrudes horizontally. The protruding end portion 19a is provided with a shaft portion 14 protruding in a cantilever manner so as to extend upward. The shaft portion 14 is provided with a shaft roller 14a that is rotatably attached to a shaft main body fixed to the protruding end portion 19a of the shaft portion 14.

  3 to 5 is provided so as to extend in the front-rear direction of the vehicle. The double speed rail 16 includes two facing racks (16a, 16b), a pinion 16c, and a support rail 16d. The two racks (16a, 16b) facing each other are composed of an upper rack 16a disposed on the upper side and a lower rack 16b disposed on the lower side. The upper rack 16a and the lower rack 16b are disposed so as to extend in parallel with each other in the front-rear direction of the vehicle.

  The pinion 16c is disposed between the two racks (16a, 16b) and is disposed so as to mesh with the teeth provided on each rack (16a, 16b). The pinion 16c is rotatably supported by the support rail 16d. Thereby, the pinion 16c is connected with the connection part 19 side. That is, the pinion 16c is connected to the connecting portion 19 via the support rail 16d. For this reason, the connecting portion 19 fixed to the drive belt 13d, the support rail 16d, and the pinion 16c are connected to each other so that the relative position does not change.

  Further, the support rail 16d that rotatably supports the pinion 16c is configured to support the upper rack 16a and the lower rack 16b while being sandwiched from both sides in the vehicle width direction. The support rail 16c supports the upper rack 16a and the lower rack 16b so as to be slidable in the front-rear direction of the vehicle.

  In the double-speed rail 16, one lower rack 16b of the two racks (16a, 16b) is fixed and connected to the bracket portion 12b of the slide base 12, and the other upper rack 16a is connected to the door 104 side. It is connected. The upper rack 16a is connected to the door 104 via a door support member 104a. The door support member 104a supports the door 104 in a suspended state.

  Since the double-speed rail 16 is configured as described above, when the drive pulley 13d of the door drive mechanism 13 is driven, the support rail 16d and the pinion 16c are connected to the front and rear of the vehicle together with the connecting portion 19 fixed to the drive belt 13d. Move in direction. Accordingly, the pinion 16c is engaged with the lower rack 16d fixed to the slide base 12 and moves to one side in the front-rear direction of the vehicle. And with respect to this moving pinion 16c, the upper rail 16a meshing with the pinion 16c moves in the same direction in the longitudinal direction of the vehicle. For this reason, the upper rack 16a moves with respect to the lower rack 16b at a speed twice that of the movement speed of the pinion 16c. The amount of movement of the upper rack 16a relative to the lower rack 16b is double the amount of movement in the same direction as the amount of movement of the pinion 16a relative to the lower rack 16b. The door 104 connected to the upper rack 16a via the door support member 104a also moves at the same speed as the upper rack 16a. Then, the door 104 moves in the front-rear direction of the vehicle with respect to the slide base 12 to which the lower rack 16b is connected via the connecting portion 19.

[About plug mechanism]
In the plug door device 1, a plug mechanism for performing a plug operation for moving the door 104 in the vehicle width direction includes a shaft portion 14, a guide portion 15, and a roller guide 23. FIG. 7 is a plan view showing the plug mechanism. FIG. 8 is a view including a partial cross section of the plug mechanism as viewed from the position of arrows DD in FIG. FIG. 9 is a side view of the plug mechanism, as viewed from the direction of arrow E in FIG. FIG. 10 is a rear view of the plug mechanism and includes a partial cross section viewed from the direction of arrow F in FIG. FIG. 11 is a plan view for explaining the operation of the plug mechanism. 8 to 10 are enlarged from FIGS. 7 and 11. 8 to 10 show a state of the plug mechanism when the door 104 is in the closed position. On the other hand, FIG. 11 shows a state immediately after the plug operation is completed when the door 104 is opened from the closed position.

  The plug mechanism (shaft portion 14, guide portion 15, roller guide 23) shown in FIGS. 3 to 5 and 7 to 10 is disposed between the fixed base 11 and the slide base 12. As described above, the shaft portion 14 is provided at the protruding end portion 19a of the connecting portion 19. The roller guide 23 is fixed to the lower surface side of the plate-like portion 11 a of the fixed base 11. The guide portion 15 includes a first link 24 and a second link 25 and is installed below the fixed base 11. The guide portion 15 is rotatably installed on the fixed base 11 at the first link 24.

  The first link 24 is a substantially rectangular plate-like member, and one end side is provided so as to be rotatable with respect to the fixed base 11. Specifically, the first link 24 is provided so as to be rotatable around a first rotation shaft 26 that faces substantially the vertical direction. In addition, a first cutout portion 24 a that can accommodate the shaft roller 14 a of the shaft portion 14 is formed on the peripheral edge on the other end side of the first link 24.

  The second link 25 is a plate-like member and is provided on the first link 24 so as to be rotatable. Specifically, the second link 25 is rotatably provided around a second rotation shaft 27 that faces the substantially vertical direction provided in the vicinity of the first notch 24 a of the first link 24. Further, a second cutout portion 25 a that can accommodate the shaft roller 14 a of the shaft portion 14 is formed on the periphery of the second link 25. Further, the second link 25 is provided with a guide roller 28 that is rotatably attached around the vertical axis. The guide roller 28 is rotatably attached to a rotary shaft 29 that protrudes upward from the second link 25, and is disposed at substantially the same height as the roller guide 23 fixed to the fixed base 11.

  When the door 104 is in the closed position, as shown in FIG. 7, the first notch portion 24 a of the first link 24 and the second notch portion 25 a of the second link 25 are axially viewed from above. The periphery of the portion 14 is surrounded. Specifically, the first link 24 is held so that the opening side of the first notch 24a faces the outer side in the vehicle width direction, and the second link 25 holds the opening side of the second notch 25a, It is held so as to face in the direction opposite to the direction toward the first rotation shaft 26. Accordingly, the second link 25 restrains the shaft portion 14 from moving from the inside of the first cutout portion 24 a toward the outside in the first link 24.

  When the door 104 is in the closed position, the guide roller 28 of the second link 25 is located on the outer side in the vehicle width direction with respect to the second notch 25a. And the 2nd rotating shaft 27 of the 2nd link 25 is located in the vehicle width direction inner side rather than the 2nd notch part 25a.

  A helical spring 30 is provided between the first link 24 and the second link 25 as urging means. One end of the helical spring 30 is provided at a substantially intermediate portion between the second rotation shaft 27 and the guide roller 28 in the second link 25, and the other end is the first rotation shaft 26 in the first link 24. It is provided in the position near. Accordingly, the second link 25 is attached to the helical spring 30 so as to rotate in a direction in which the restraint of the shaft portion 14 is released (a clockwise direction around the second rotation shaft 27 when viewed from above). Be forced. That is, the second link 25 is urged by the helical spring 30 in the direction in which the guide roller 28 approaches the roller guide 23.

  The roller guide 23 is provided as a plate-like member. The roller guide 23 is provided with a slope 23a for guiding the guide roller 28 and a curved surface 23b for guiding the guide roller 28 continuously to the slope 23a.

  The inclined surface 23a is provided as a part of the side surface of the roller guide 23, and is located more outward in the vehicle width direction as it goes in a direction in which the door 104 opens (hereinafter referred to as an opening direction, indicated by an arrow G1 in FIG. 7). It is comprised as a flat surface formed in this way.

  The curved surface 23b is provided as a part of the side surface of the roller guide 23. The curved surface 23b is continuous from the inclined surface 23a, bends so as to protrude in a substantially semicircular arc shape, and further bends so as to be recessed in a substantially semicircular arc shape. It is configured as an extended curved surface. The curved surface 23b is convex in the opening direction at a position close to the outside in the vehicle width direction, and closes in the direction close to the inside in the vehicle width direction (the direction opposite to the opening direction, which is the following). , Which is indicated as an arrow G2 in FIG.

[Rotating arm]
FIG. 12 is a schematic diagram showing the lower portion of the door 104 in FIG. 2 in an enlarged manner. As shown in FIGS. 1 to 5 and 12, the upper and lower portions of the entrance / exit 102 are provided with rotating arms 18 (18 a, 18 b) that rotate to guide the door 104 in the vehicle width direction. ing. An upper turning arm 18 a is provided at the upper part of the entrance 102 and a lower turning arm 18 b is provided at the lower part of the entrance 102.

  The upper turning arm 18a is fixed to the upper end side of the connecting shaft 31 extending in the substantially vertical direction, and is installed so as to protrude from the connecting shaft 31 in a cantilevered manner in the horizontal direction. Further, the connecting shaft 31 is rotatably attached to a bracket extending from an edge portion of the entrance 102 on the vehicle side wall 101 at both upper and lower ends. In addition, an upper roller 32 is provided at the tip of the upper turning arm 18a so as to be rotatable around a rotation shaft extending substantially vertically upward. The main body 12a of the slide base 12 is provided with a long hole 33 that extends in the front-rear direction of the vehicle (see FIG. 4). The upper roller 32 is inserted into the long hole 33 from below and is disposed so as to be relatively movable along the long hole 33.

  The lower rotating arm 18b is fixed to the lower side of the connecting shaft 31, and is installed so as to protrude from the connecting shaft 31 in a cantilevered manner in the horizontal direction. For this reason, the lower rotation arm 18b is configured to rotate together with the connecting shaft 31 as the upper rotation arm 18a rotates. Further, a lower roller 34 is provided at the tip of the lower rotation arm 18b so as to be rotatable around a rotation axis extending substantially vertically upward. And the door rail 35 extended in the front-back direction of a vehicle is provided in the lower end side in the vehicle width direction of the door 104. As shown in FIG. The door rail 35 is formed with a groove that opens downward and extends in the front-rear direction of the vehicle. The lower roller 34 is inserted into the groove of the door rail 35 from below, and is configured to be relatively movable along the door rail 35 (see FIG. 12).

[About the lock mechanism]
FIG. 13 is a front view of the lock mechanism 17. FIG. 14 is a plan view of the lock mechanism 17. The lock mechanism 17 shown in FIGS. 3 to 6, 13, and 14 is provided as a lockable mechanism so as to limit the movement of the door 104 in the closed position of the door 104. The lock mechanism 17 includes a lock fixing part 36 and a lock moving part 37.

  The lock fixing portion 36 is configured as a block-like member provided to be fixed to the fixed base 11. In addition, illustration of the fixed base 11 is abbreviate | omitted in FIG.4, FIG.6, FIG.13 and FIG. In this embodiment, the lock fixing portion 36 is provided as a block-shaped member, but this need not be the case, and the lock fixing portion 36 is fixed to the fixed base 11 as a plate-shaped member, a pin-shaped member, or the like. It may be provided.

  The lock moving unit 37 is provided so as to be movable by a driving force output from the carrier 20 c of the planetary gear mechanism 20 to the lock mechanism 17. The lock moving portion 37 is configured to abut against the lock fixing portion 36 on the inner side in the width direction of the vehicle when the door 104 is closed. As described above, the lock mechanism 17 is provided so as to regulate the outward movement of the door 104 in the vehicle width direction when the door 104 is closed by the lock moving portion 37 coming into contact with the lock fixing portion 36. Yes.

  The lock moving part 37 includes a slide contact part 38 that can come into contact with the lock fixing part 36, a slide rail 39, and a transmission member 40. The slide rail 39 is provided as a rail member that is fixed to the slide base 12 and extends in the front-rear direction of the vehicle. Thus, the slide rail 39 is configured to restrict the slide movement direction of the slide contact portion 38 to a direction parallel to the front-rear direction of the vehicle.

  The transmission member 40 is provided as a plate-like member, and is disposed so as to extend in the vertical direction. The transmission member 40 is provided as a member that transmits the driving force output from the carrier 20 c of the planetary gear mechanism 20 to the lock mechanism 17 to the slide contact portion 38. In the present embodiment, the transmission member 40 is provided with a notch 40a on the lower end side, and the output roller 22a of the lock output portion 22 is fitted in the notch 40a. Has been. Further, the upper end side of the transmission member 40 is connected to the slide contact portion 38.

  As described above, the lock mechanism 17 is configured such that the driving force output from the carrier 20 c via the lock output unit 22 is input to the transmission member 40. As the output roller 22a is moved by the driving force from the planetary gear mechanism 20, the transmission member 40 moves in the front-rear direction of the vehicle. Further, along with the movement of the transmission member 40, the slide contact portion 38 whose slide movement direction is regulated by the slide rail 39 moves in the front-rear direction of the vehicle.

  Note that the output roller 22 a has a tip portion disposed inside a long hole 43 a formed in the guide plate 43. And the output roller 22a is arrange | positioned so that a movement along this long hole 43a is possible (refer FIG. 13). Thereby, the movement in the front-back direction of the vehicle of the output roller 22a is ensured. The guide plate 43 is provided as a plate-like member fixed to the housing of the drive unit 13a installed on the slide base 12.

  The slide contact portion 38 includes a slide block 41 and a roller 42. The slide block 41 is provided in a block shape, and is provided as a member whose slide movement direction is regulated by the slide rail 39 in the vehicle front-rear direction. In the present embodiment, the slide block 41 is configured by being fixed so that a plurality of members are integrated. Then, the upper end side of the transmission member 40 is fixed to one of the integrated members, and the other member of the integrated members slides on the rail surface of the slide rail 39 so as to be slidable. Grooves are formed.

  The roller 42 is supported by the slide block 41 so as to be rotatable around the vertical axis. And the roller 42 is arrange | positioned in the outer peripheral side surface so that contact | abutting with respect to the side surface of the lock fixing | fixed part 36 is possible.

  Moreover, the lock fixing | fixed part 36 is provided as a member of the shape where two orthogonal block-shaped parts were integrated, as it shows well in FIG.6, FIG.13 and FIG.14. The side surface of the lock fixing portion 36 is provided with a first surface 36a, a second surface 36b, and an inclined surface 36c with which the roller 42 can contact.

  The first surface 36 a is provided as a side surface facing the inner side in the vehicle width direction in the lock fixing portion 36. The first surface 36a is formed as a surface orthogonal to the vehicle width direction, and comes into contact with the outer periphery of the roller 42 in the slide contact portion 38 of the lock moving portion 37 when the door 104 is closed. It is comprised so that the movement to the outer side in the vehicle width direction of 104 may be controlled.

  The second surface 36b is provided as a side surface facing the opening direction side in the front-rear direction of the vehicle in the lock fixing portion 36. And this 2nd surface 36b is formed as a surface which can contact | abut to the outer periphery of the roller 42 of the lock | rock moving part 37 while orthogonally crossing with respect to the front-back direction of a vehicle. Thereby, the second surface 36b is moved from the carrier 20c of the planetary gear mechanism 20 to the locking mechanism so that the driving pulley 13b is rotationally driven by the driving force input from the ring gear 20d of the planetary gear mechanism 20 to the driving pulley 13b. 17 is configured to generate a reaction force that balances with the driving force input to 17.

  The inclined surface 36c is provided between the first surface 36a and the second surface 36b in the lock fixing portion 36, and is provided as a side surface continuous to the first surface 36a and the second surface 36b. The inclined surface 36c is formed as a surface that is perpendicular to the horizontal direction, and is provided as a surface that is inclined with respect to both the first surface 36a and the second surface 36b. The roller 42 is disposed so as to be able to come into contact with the lock fixing portion 36 on the first surface 36a and the second surface 36b. However, the inclined surface 36c is provided so that the first surface orthogonal to each other is provided. The movement of the roller 42 between 36a and the 2nd surface 36b is comprised smoothly.

[Operation of plug door device]
Next, the operation of the plug door device 1 will be described. As shown in FIGS. 1 to 5, when the door 104 is in the closed position, the shaft portion 14 is viewed from above, the first notch 24 a of the first link 24 and the second notch of the second link 25. It engages with both of the portions 25a (see FIG. 7). That is, the shaft portion 14 is located in the notches (24a, 25a).

  When the door 104 is in the closed position, as shown in FIGS. 6, 13, and 14, in the lock mechanism 17, the roller 42 is in contact with the first surface 36 a of the lock fixing portion 36. For this reason, the movement of the slide base 12 to the outside in the vehicle width direction is restricted via the carrier 20c of the lock mechanism 17 and the planetary gear mechanism 20. Thereby, the plug operation to the outside in the vehicle width direction by the plug mechanism is restricted, and the door 104 is locked so that the movement is restricted.

  When the direct drive type brushless electric motor 21 of the door drive mechanism 13 is driven from the above-mentioned closed position, the sun gear 20a of the planetary gear mechanism 20 starts rotating, and the planetary gear 20b around the sun gear 20a is rotated. Revolving around the sun gear 20a is started while meshing with the ring gear 20d. Then, due to the swing of the carrier 20c accompanying the revolution of the planetary gear 20b, the output roller 22a moves in the long hole 43a in the direction indicated by the two-dot chain line arrow I in FIG. As a result, the transmission member 40 moves together with the output roller 22a in parallel with the opening direction in the longitudinal direction of the vehicle, and the slide block 41 also moves on the slide rail 39 in parallel with the opening direction.

  As a result, the roller 42 that has been in contact with the first surface 36a moves to a position that is out of the first surface 36a. In FIG. 13 and FIG. 14, the position of the roller 42 that has moved to the position deviated from the first surface 36a is shown as a two-dot chain line roller 42a. As a result, the locked state of the door 104 by the lock mechanism 17 is released, and the plug mechanism can be plugged outward in the vehicle width direction.

  As described above, when the transition to the state in which the plug operation to the outside in the vehicle width direction is possible, the drive of the brushless electric motor 21 of the door drive mechanism 13 is further continued. Thereby, the driving force output to the driving pulley 13b via the ring gear 20d is further transmitted to the shaft portion 14 via the driving belt 13d and the connecting portion 19. For this reason, the shaft portion 14 urges the second link 25 in the same direction in an attempt to move in the opening direction.

  Here, as shown in FIG. 7, the rotation of the second link 25 relative to the first link 24 (rotation in the clockwise direction around the second rotation shaft 27 when viewed from above) The roller 28 is regulated at a position where the roller 28 contacts the inclined surface 23 a of the roller guide 23. Therefore, the second link 25 hardly rotates with respect to the first link 24, and the second link 25 is rotated to the first link 24 via the second rotation shaft 27 (rotating power about the first rotation shaft 26 (upward). (Turning power in the clockwise direction when viewed from the side). As a result, the guide roller 28 moves along the slope 23a, and the first link 24 rotates about the first rotation shaft 26 in the direction indicated by the arrow H in the figure.

  While the first link 24 rotates in the clockwise direction when viewed from above, the guide roller 28 of the second link 25 moves along the inclined surface 23 a of the roller guide 23. At this time, since the second link 25 is attracted to the slope 23a side by the helical spring 30, the guide roller 28 does not leave the slope 23a. Further, when the guide roller 28 is moving along the inclined surface 23 a, the first cutout portion 24 a of the first link 24 and the second cutout portion 25 a of the second link 25 travel around the shaft portion 14. The enclosed state is maintained.

  When the shaft portion 14 further moves in the opening direction from the above state, the contact position between the guide roller 28 and the roller guide 23 shifts from the inclined surface 23a to the curved surface 23b. As a result, the guide roller 28 is pulled inward in the vehicle width direction along the curved surface 23b, and the second link 25 is viewed from above with respect to the first link 24 around the second rotation shaft 27. Relative rotation in clockwise direction. That is, as shown in FIG. 11, the restraint of the shaft portion 14 by the second link 25 is released. At this time, the rotation of the first link 24 in the arrow H direction is restricted by the first link 24 coming into contact with the stopper 44 fixed to the roller guide 23.

  As described above, when the door 104 opens, the guide portion 15 rotates while contacting the shaft portion 14 so that the shaft portion 14 moves in one of the vehicle width directions (opening direction). It is configured as a guiding mechanism.

  In the present embodiment, the first link 24 is arranged so that the first cutout portion 24a is located on the outer side in the vehicle width direction with respect to the position of the first rotation shaft 26 when the door 104 is in the closed position. ing. When the door 104 is in the closed position, the guide roller 28 is positioned on the outer side in the vehicle width direction from the center of the shaft portion 14, and the second rotating shaft 27 is in the vehicle width direction from the center of the shaft portion 14. The 2nd link 25 is arrange | positioned so that it may be located inside. With such a configuration, the guide portion 15 is configured so that the urging force from the shaft portion 14 can be efficiently used for turning the first link 24.

  Moreover, when the 1st link 24 rotates as mentioned above, the force which faces a vehicle width direction outer side acts with respect to the axial part 14. FIG. Therefore, a force directed outward in the vehicle width direction also acts on the door drive mechanism 13 coupled to the shaft portion 14 via the coupling portion 19, and the vehicle is also applied to the slide base 12 on which the door drive mechanism 13 is installed. A force directed outward in the width direction acts.

  As described above, the door drive mechanism 13 and the slide base 12 are guided by the slide support portion 11b in the fixed base 11 and moved outward in the vehicle width direction. As a result, a plug operation in which the door 104 moves outward in the vehicle width direction is performed. Then, when the plug operation is performed, the door 104 can be moved in the opening direction.

  Further, when the plug operation to the outside in the vehicle width direction by the plug mechanism is completed, the slide contact portion 38 installed on the slide rail 39 fixed to the slide base 12 also moves outward in the vehicle width direction together with the slide base 12. It will be. Accordingly, the roller 42 located at the position shown as the two-dot chain line roller 42a in FIG. 14 moves to the position shown as the one-dot chain line roller 42b. And the roller 42 (42b) will transfer to the state contact | abutted to the 2nd surface 36b of the lock fixing | fixed part 36. FIG.

  The lock output unit 22 connected to the carrier 20c of the planetary gear mechanism 20 has a biasing means such as a spring for biasing the output roller 22a in the direction opposite to the direction indicated by the two-dot chain line arrow I in FIG. (Not shown) is provided. In a state where the roller 42 is in contact with the second surface 36b, the urging force of the urging means acts on the slide contact portion 38 via the output roller 22a and the transmission member 40, so that the roller 42 is in the second surface. The state pressed against 36b is maintained.

  In addition, in a state where the roller 42 is pressed against and in contact with the second surface 36b, a reaction force that balances the driving force input from the carrier 20c of the planetary gear mechanism 20 to the lock mechanism 17 is generated on the second surface 36b. Become. Thereby, the driving pulley 13b is rotationally driven by the driving force input from the ring gear 20d of the planetary gear mechanism 20 to the driving pulley 13b.

  And with the rotation of the drive pulley 13b, the drive belt 13d is driven, and the support rail 16d and the pinion 16c in the double speed rail 16 move together with the connecting portion 19. Therefore, the upper rack 16a connected to the door 104 moves at a double speed relative to the pinion 16c with respect to the lower rack 16b fixed to the slide base 12. Thereby, the door 104 moves in the opening direction, and the opening operation of the door 104 is performed. During the movement of the door 104 in the opening direction, the shaft portion 14 does not receive a force in the vehicle width direction from the guide portion 15 and moves linearly in the opening direction together with the connecting portion 19.

  FIG. 15 is a schematic diagram as a plan view of the plug door device 1 shown in FIG. 3, and also shows the position of the door 104 where the opening operation has been performed. When the opening operation of the door 104 is completed, the door 104 moves to a position indicated by a two-dot chain line in FIG.

  On the other hand, when the door 104 is closed, an operation opposite to the opening operation of the door 104 described above is performed. That is, the direct drive type brushless electric motor 21 in the door drive mechanism 13 is driven, and the drive pulley 13b driven through the planetary gear mechanism 20 rotates in the opposite direction to that in the above opening operation. Thereby, the support rail 16d and the pinion 16c connected with the connection part 19 move to a reverse direction with the case of the above-mentioned opening operation | movement. Then, the upper rack 16a connected to the door 104 moves at a double speed relative to the pinion 16c with respect to the lower rack 16b fixed to the slide base 12. As a result, the door 104 moves in the closing direction, and the door 104 is closed. Further, the shaft part 14 moves linearly toward the guide part 15 in the closing direction.

  In the guide portion 15, when the door 104 is opened, the helical spring 30 acts on the second link 25 in the clockwise direction as viewed from above. That is, a pulling force is applied to the second link 25 from the helical spring 30 so that the guide roller 28 is located at a position in contact with the curved surface 23 b of the roller guide 23. In the present embodiment, the guide roller 28 is fitted in a recess having a semicircular arc shape that is substantially the same as the outer peripheral shape of the guide roller 28 on the curved surface 23b. Accordingly, the first link 24 and the second link 25 are stably held at predetermined positions. Specifically, the second link 25 is held at a position where the shaft portion 14 that has linearly moved in the closing direction can come into contact with the inner edge of the second cutout portion 25a. Moreover, the 1st link 24 is also hold | maintained in the position which can accommodate the axial part 14 which moved linearly in the closing direction in the 1st notch part 24a (refer FIG. 11).

  Accordingly, the shaft portion 14 abuts against the inner edge of the second cutout portion 25a of the second link 25 when the door 104 moves a predetermined amount in the closing direction from the fully open position (see FIG. 11). The two links 25 are energized. At this time, the second link 25 rotates counterclockwise when viewed from above about the second rotation shaft 27 against the force of the helical spring 30, so that the shaft portion 14 moves in the closing direction. Linear movement is not hindered. When the second link 25 rotates, the guide roller 28 moves along the curved surface 23 b of the roller guide 23. When the second link 25 is rotated, the first link 24 is held at a predetermined position or in the vicinity thereof with little rotation.

  Then, the shaft portion 14 moves in the closing direction to a position where it contacts the inner edge of the first cutout portion 24a of the first link 24, and urges the first link 24 in the closing direction. Thus, the first link 24 rotates counterclockwise as viewed from above about the first rotation shaft 26, and the shaft portion 14 is guided inward in the vehicle width direction.

  At this time, the door 104 moves in the same manner as the shaft portion 14. That is, the door 104 moves linearly in the closing direction from the fully open position, and is drawn inward in the vehicle width direction in the vicinity of the closing position and moves to the closing position. Thereby, the plug operation to the inside in the vehicle width direction by the plug mechanism is completed.

  As described above, when the door 104 is closed, the guide portion 15 rotates while contacting the shaft portion 14 so that the shaft portion 14 moves to the other side (the closing direction) in the width direction of the vehicle. It is comprised as a mechanism which guides.

  Further, when the plug operation to the inside in the vehicle width direction by the plug mechanism is completed, the slide contact portion 38 installed on the slide rail 39 fixed to the slide base 12 also moves in the vehicle width direction together with the slide base 12. It will be. As a result, the roller 42 located at the position shown as the one-dot chain line roller 42b in FIG. 14 moves to the position shown as the two-dot chain line roller 42a.

  When the roller 42 moves as described above, the reaction force from the second surface 36b of the lock fixing portion 36 does not act on the roller 42. For this reason, due to the driving force input from the carrier 20c of the planetary gear mechanism 20 via the output roller 22a, the transmission member 40 moves in parallel with the closing direction in the front-rear direction of the vehicle, and the slide block 41 also moves on the slide rail 39. Move parallel to the closing direction.

  As described above, the roller 42 moves from the position shown as the two-dot chain line roller 42a in FIG. Thereby, the locked state of the door 104 by the lock mechanism 17 is ensured, and the plug operation to the outside in the vehicle width direction by the plug mechanism cannot be performed.

  In addition, when the opening operation | movement of the door 104 mentioned above and closing operation | movement are performed, the rotation arm 18 (18a, 18b) provided in the upper part and the lower part of the entrance / exit 102 rotates, respectively. As a result, the movement of the door 104 in the vehicle width direction is also guided by the upper and lower rotary arms 18 (18a, 18b), and the door 104 is smoothly plugged.

[Effect of plug door device]
According to the plug door device 1 described above, the guide portion 15 abuts on the shaft portion 14 and rotates to guide the shaft portion 14 in the vehicle width direction. Therefore, the operation of the guide portion 15 is an operation that follows the movement of the door 104 in the vehicle width direction. Thereby, according to the movement state of the door 104 in the vehicle width direction, the space occupied by the guide portion 15 in the vehicle width direction can be further reduced. Thereby, the small plug door apparatus 1 which can perform an opening / closing operation | movement and a plug operation | movement with the door drive mechanism 13 which applies the force to the front-back direction of a vehicle with respect to the door 104 is realizable. Further, since the door drive mechanism 13 moves the door 104 in the longitudinal direction of the vehicle via the double speed rail 16 constituted by two racks (16a, 16b) and a pinion 16c, the operation stroke of the door drive mechanism 13 is doubled. Thus, the door 104 can be moved efficiently. For this reason, a further compact plug door device 1 can be realized in the longitudinal direction of the vehicle.

  According to the plug door device 1, one door drive mechanism 13 that is installed on the slide base 12 and moves one door 104 in the front-rear direction of the vehicle via the connecting portion 19 and the double speed rail 16 is a direct drive type. Endless member (driving belt) that rotates the driven pulley 13c with the rotation of the driving portion 13a including the brushless electric motor 21, the driving pulley 13b to which the driving force from the driving portion 13a is input, the driven pulley 13c, and the driving pulley 13b. 13d. For this reason, the drive pulley 13b and the driven pulley 13c do not move during the operation of the door drive mechanism 13. Thus, unlike a door drive mechanism including a rack and pinion mechanism in which a pair of racks meshing with a pinion move in opposite directions as disclosed in Patent Document 1, a part of the door drive mechanism 13 includes a door 104. There is no significant protrusion with respect to the installed entrance 102. Therefore, the restriction of the installation space is greatly suppressed, and it can be easily applied to the one-way door 104.

  Therefore, according to the present embodiment, it is possible to realize a small plug door device 1 that can perform an opening / closing operation and a plug operation by the door drive mechanism 13 that applies a force in the front-rear direction of the vehicle to the door 104. The plug door device 1 that can be applied to the single door 104 can be provided.

  Further, according to the plug door device 1, the drive unit 13 a includes the direct drive brushless electric motor 21 and the planetary gear mechanism 20. Then, in the sun gear 20a, the carrier 20c, and the ring gear 20d of the planetary gear mechanism 20, the driving force of the brushless electric motor 21 is input to one of them, and the driving force from the other one is output to the driving pulley 13b and remains. The driving force from one is output to the lock mechanism 17. For this reason, the door 104 can be opened / closed, plugged, and the door 104 can be locked by the locking mechanism 17 by a single direct-drive brushless electric motor 21, thereby realizing a compact and efficient drive unit 13 a. can do.

  Further, according to the plug door device 1, the lock moving portion 37 contacts the lock fixing portion 36 fixed to the fixed base 11 side on the inner side in the vehicle width direction, so that the door 104 moves outward in the vehicle width direction when closed. Movement is restricted. For this reason, when the door 104 is closed, the door 104 is restrained so that it does not move more reliably and does not move outward in the vehicle width direction. Therefore, the door 104 can be locked without rattling when closed.

  In addition, according to the plug door device 1, the driving force from the planetary gear mechanism 20 is transmitted to the slide contact portion 38 via the transmission member 40, so that the slide contact portion 38 performs a predetermined restriction on the slide rail 39. It slides along the formed direction and comes into contact with the lock fixing portion 36. For this reason, since the slide contact part 38 moves smoothly on the slide rail 39 by the driving force from the planetary gear mechanism 20, the necessity of setting the strength of the planetary gear mechanism 20 high can be suppressed. Thereby, the planetary gear mechanism 20 can be configured more compactly.

  Further, according to the plug door device 1, the slide contact portion 38 can move on the slide rail 39 by the slide block 41 while contacting the lock fixing portion 36 by the rotatable roller 42. For this reason, it is suppressed that the frictional force with the lock fixing part 36 prevents the movement of the slide contact part 38 on the slide rail 39, and the slide contact part 38 can move smoothly on the slide rail 39. it can.

  Further, according to the plug door device 1, when the door 104 is closed, the lock moving portion 37 contacts the first surface 36 a of the lock fixing portion 36 and the door 104 is locked. On the other hand, when the door 104 is opened and closed, the lock moving portion 37 and the second surface 36b of the lock fixing portion 36 come into contact with each other, and the force acting between the two is balanced, and the planetary gear mechanism 20 moves to the lock mechanism 17. The output of is fixed. The driving pulley 13b, the driven pulley 13c, and the endless member (driving belt) 13d are actuated by the driving force input from the planetary gear mechanism 20 to the driving pulley 13b, and the door 104 is opened and closed. For this reason, the drive force is distributed from the planetary gear mechanism 20 to the drive pulley 13b and the lock mechanism 17 by the lock fixing portion 36 provided with the first surface 36a and the second surface 36b orthogonal to each other. Therefore, a configuration in which the driving force is efficiently distributed to the drive pulley 13b and the lock mechanism 17 can be realized by a simple mechanism in which the lock fixing portion 36 is provided with the first surface 36a and the second surface 36b.

  Moreover, according to the plug door apparatus 1, the drive part 13a which outputs a driving force with respect to the lock mechanism 17 will be arrange | positioned in the center part of the door 104 in the front-back direction of a vehicle, and the locking operation by the lock mechanism 17 will be a door. This is performed in the central portion of 104. For this reason, the position where the door 104 is locked is prevented from being biased, and the door 104 is locked in a balanced manner at the central portion. In addition, since a plurality of driven pulleys (13c, 13c) are arranged on both sides in the vehicle front-rear direction with respect to the drive pulley 13b arranged in the central portion of the door 104, an endless member (drive belt) that circulates them is provided. ) 13d can be placed over a longer circuit distance in a compact area. For this reason, the circumference distance of the endless member 13d can be ensured efficiently.

[Modification]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made as long as they are described in the claims. For example, the following modifications may be made.

(1) In this embodiment, the door drive mechanism has been described by taking an example in which two driven pulleys are provided, but this need not be the case. One or three or more driven pulleys may be provided.

(2) In this embodiment, the drive pulley and the driven pulley have been described as examples of the drive wheel member and the driven wheel member. However, this need not be the case. The driving wheel member and the driven wheel member may be configured as a sprocket or the like. Further, although the toothed drive belt has been described as an example of the endless member, this need not be the case. As the endless member, a form in which a V belt, a chain, a wire, or the like is used may be used.

(3) In the present embodiment, the mode in which the shaft portion is provided in the coupling portion has been described as an example, but this need not be the case. The shaft portion may be provided directly on the door.

(4) The shape of the guide portion may not be the shape exemplified in this embodiment. That is, the guide portion is rotatably installed on the fixed base, and when the door is opened, the guide portion is guided so that the shaft portion rotates in contact with the shaft portion and moves to one side in the vehicle width direction. At the same time, when the door is closed, the shape may be any shape that can guide the shaft portion so that the shaft portion rotates while coming into contact with the shaft portion and the shaft portion moves to the other side in the width direction of the vehicle.

  The present invention can be widely applied as a plug door device that is installed at an entrance of a vehicle and performs a door opening / closing operation and a plug operation for moving the door in the width direction of the vehicle.

DESCRIPTION OF SYMBOLS 1 Plug door apparatus 11 Fixed base 12 Slide base 13 Door drive mechanism 13a Drive part 13b Drive pulley (drive wheel member)
13c driven pulley (driven wheel member)
13d Drive belt (endless member)
14 Shaft portion 15 Guide portion 16 Double speed rail 16a, 16b Rack 16c Pinion 19 Connecting portion 102 Entrance / exit 104 Door

Claims (7)

A plug door device that is installed at a doorway of a vehicle, performs a door opening and closing operation, and a plug operation for moving the door in the width direction of the vehicle,
A fixed base fixed to the vehicle body;
A slide base installed on the fixed base so as to be slidable in the width direction of the vehicle with respect to the fixed base;
A drive unit including an electric motor, a drive wheel member to which a drive force from the drive unit is input, at least one driven wheel member provided corresponding to the drive wheel member, and the drive wheel member and the driven wheel An endless member that is wound around the member and rotates the driven wheel member in accordance with the rotation of the drive wheel member. A door drive mechanism for moving the doors in the longitudinal direction of the vehicle;
A shaft provided on the door or the connecting portion;
It is rotatably installed on the fixed base, and when the door is opened, the shaft is guided so that the shaft moves in one of the width directions of the vehicle by rotating while abutting the shaft. And, when the door is closed, a guide portion that rotates while abutting the shaft portion and guides the shaft portion so that the shaft portion moves to the other in the width direction of the vehicle;
Two racks facing each other and a pinion disposed between the two racks, the two racks are installed so as to extend in the front-rear direction of the vehicle, and one of the two racks is the slide A double-speed rail connected to the base, the other connected to the door side, and the pinion connected to the connecting part side;
A plug door device comprising: The plug door device according to claim 1,
A lock mechanism that can be locked so as to limit the movement of the door in the closed position of the door;
The drive unit engages with the electric motor, the sun gear, the planetary gear that revolves around the sun gear while rotating and supports the planetary gear so that the planetary gear can rotate and supports the planetary gear. Including a ring gear meshing with the planetary gear, and a planetary gear mechanism to which a driving force from the electric motor is input,
A driving force from the electric motor is input to any one of the sun gear, the carrier, and the ring gear, and a driving force output from any one of the sun gear, the carrier, and the ring gear is The plug door device is characterized in that a driving force input to the driving wheel member and output from the remaining one of the sun gear, the carrier, and the ring gear is input to the lock mechanism. The plug door device according to claim 2,
The locking mechanism is
A lock fixing portion provided to be fixed to the fixed base;
A lock moving portion that is movably provided by a driving force output from the planetary gear mechanism to the lock mechanism, and abuts against the lock fixing portion on the inner side in the width direction of the vehicle at a closed position of the door;
Have
A plug door device that restricts movement of the door in the width direction of the vehicle when the door is closed. The plug door device according to claim 3,
The lock moving unit is
A slide contact portion capable of contacting the lock fixing portion;
A slide rail fixed to the slide base and restricting a slide movement direction of the slide contact portion;
A transmission member for transmitting a driving force output from the planetary gear mechanism to the lock mechanism to the slide contact portion;
A plug door device characterized by comprising: The plug door device according to claim 4,
The slide contact portion is
A slide block which is provided in a block shape and whose slide movement direction is regulated by the slide rail;
A roller rotatably supported with respect to the slide block and capable of contacting the lock fixing portion;
A plug door device characterized by comprising: The plug door device according to any one of claims 3 to 5,
In the lock fixing part,
A first surface that is formed as a surface that is orthogonal to the width direction of the vehicle and that regulates outward movement of the door in the width direction of the vehicle by contacting the lock moving portion when the door is closed; ,
The driving wheel member is formed as a surface orthogonal to the longitudinal direction of the vehicle and capable of contacting the lock moving part, and the driving wheel member is rotationally driven by a driving force input from the planetary gear mechanism to the driving wheel member. A second surface that generates a reaction force that balances the driving force input from the planetary gear mechanism to the lock mechanism;
A plug door device is provided. The plug door device according to any one of claims 3 to 6,
The drive unit and the drive wheel member are disposed at a center portion of the slide base in the front-rear direction of the vehicle,
A plug door device, wherein a plurality of the driven wheel members are provided and arranged on both sides in the front-rear direction of the vehicle with respect to the drive wheel member.

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