JP2012202140A - Plug door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-sized plug door device in which an opening/closing operation and a plug operation can be performed by a door drive mechanism operating a force, in a longitudinal direction of a vehicle, on a door, and the space can be reduced for installing a mechanism which has a turning arm and guides the door to a width direction of the vehicle so as to support the plug operation of the door.SOLUTION: A fixed base 51, a slide base 52, a door drive mechanism 53, a shaft part 54, a guide part 55 and a turning arm mechanism 75 are provided. In the turning arm mechanism 75, a rotational force generator 76 generates a rotational force by acquiring a door opening/closing force from doors (108, 109). Furthermore, a follower rotation member 77 is rotated by transferring the rotational force thereto. A guide curved surface member 78 then includes a guide curved surface part 78a for moving the follower rotation member 77 along an arcuate curved surface with the rotation of the follower rotation member 77. Furthermore, a turning arm 80 is provided freely rotatable with respect to the guide curved surface member 78 and holds the rotational force generator 76 and the follower rotation member 77.

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.

  Further, the plug door device of Patent Document 1 includes an upper rotating arm and a lower arm that guide the door in the vehicle width direction so as to assist the plug operation of the door by rotating on both the upper and lower sides of the entrance. A side turning arm is provided. A roller is provided at the tip of each of the upper rotating arm and the lower rotating arm, and each roller is disposed so as to be movable along a rail groove provided in the door. In addition, a connecting rod is provided between the upper rotating arm and the slide base. One end of the connecting rod is rotatable with respect to the upper rotating arm, and the other end is rotatable with respect to the slide base. Is provided.

  Further, the plug door device of Patent Document 1 is provided with a connecting shaft that extends in the vertical direction and is rotatably supported with respect to a bracket provided at the entrance / exit. The connecting shaft is configured to connect the upper rotating arm and the lower rotating arm, the upper rotating arm is fixed to the upper end side of the connecting shaft, and the lower rotating arm is connected to the lower end side of the connecting shaft. It is fixed. With the configuration described above, in the plug door device of Patent Document 1, the upper rotating arm rotates through the connecting rod as the slide base moves, and further, the lower rotation rotates through the connecting shaft as the upper rotating arm rotates. The moving arm also rotates. Thereby, in the plug door device of patent document 1, even when the rigidity of the door is small, the door with respect to the movement on the upper side of the door in which the shaft portion, the guide portion, and the slide base are arranged during the plug operation. It is configured to prevent the occurrence of a state in which the followability of the lower side movement is insufficient.

JP 2010-95939 A

  In the plug door device of Patent Document 1, a connecting shaft that extends in the vertical direction and connects the upper rotating arm and the lower rotating arm is provided, so that the lower rotating arm rotates together with the upper rotating arm. For this reason, as described above, the followability of the movement of the lower side of the door with respect to the upper side of the door on which the mechanism for performing the plug operation is arranged is ensured during the plug operation. However, since the plug door device of Patent Document 1 requires a connecting shaft that connects the upper rotating arm and the lower rotating arm, a space for installing a connecting shaft extending in the vertical direction in the vicinity of the entrance is also required. End up.

  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 reduce the installation space of a mechanism that has a rotating arm and guides the door in the width direction of the vehicle so as to assist the plug operation of the 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 door drive mechanism that is installed on the slide base and moves the door in the front-rear direction of the vehicle via a connecting portion, a shaft portion provided on the door or the connecting portion, and a rotatable base on the fixed base. When the door is opened, the shaft is rotated while abutting on the shaft to guide the shaft so that the shaft moves to one side in the width direction of the vehicle, and when the door is closed. A guide part that guides the shaft part so that the shaft part moves to the other side in the width direction of the vehicle and rotates in contact with the shaft part. Moving door A rotating arm mechanism that has a rotating arm that rotates based on a door opening / closing force that is a force in a moving direction, and that guides the door in the width direction of the vehicle so as to assist the plug operation of the door; The rotating arm mechanism includes a rotational force generator that generates a rotational force by acquiring the door opening / closing force from the door, and a rotational force generated by the rotational force generator is transmitted to the rotational arm mechanism. And a guide curved surface portion that is in contact with the driven rotation member or the rotational force generation portion and moves the driven rotation member along an arcuate curved surface as the driven rotation member rotates. The curved guide surface member is provided on the door side with respect to the rotational force generation part, and contacts a part of the door on the side opposite to the side where the rotational force generation part is arranged in the width direction of the vehicle. And the door A door-side support portion that supports a part, a rotation arm that is rotatably provided with respect to the guide curved surface member, and that holds the rotational force generation portion and the driven rotation member, and the rotation arm And a regulating member that regulates a pivoting range of the pivoting arm by contacting the pivoting arm when the door is opened. It is characterized by that.

  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.

  Further, according to the present invention, the rotating arm mechanism having the rotating arm that rotates based on the door opening / closing force in accordance with the door opening / closing operation is provided. In the rotating arm mechanism, the driven rotating member to which the rotational force generated by the door opening / closing force acquired from the door is transmitted rotates, and the driven rotating member is guided along the guide curved surface portion, thereby being driven. A rotating arm that holds the rotating member rotates. For this reason, even when the shaft, guide, and slide base are installed on the upper side of the door, the rotating arm mechanism is installed on the lower side of the door, and the door has low rigidity, the plug operation is performed. The occurrence of a state in which the followability of the movement on the lower side of the door with respect to the movement on the upper side of the door becomes insufficient is prevented. That is, even if the connecting shaft disclosed in Patent Document 1 is not provided, the followability of the movement of the lower side of the door with respect to the movement of the upper side of the door on which the mechanism for performing the plug operation is arranged is ensured. It will be. Therefore, it is possible to reduce the installation space of the mechanism that has the rotating arm and guides the door in the vehicle width direction so as to assist the plug operation of the door. According to the rotating arm mechanism of the present invention, the door disposed on the opposite side in the vehicle width direction through a part of the door, in addition to the rotational force generator side that acquires the door opening / closing force and generates the rotational force. The door is also supported by the side support portion. For this reason, it will be supported so that a part of door may be inserted | pinched from the both sides of a vehicle width direction, and the state which a rotational force generation | occurrence | production part will act | operate following a door will always be ensured. Furthermore, in this rotating arm mechanism, since the rotation range of the rotating arm on the door opening direction side is restricted by the regulating member, when the door is opened, the rotating arm rotates excessively after the plug operation and the door This prevents the movement from being hindered.

  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 reduce the installation space of a mechanism that guides the door in the width direction of the vehicle so as to assist the plug operation of the door.

  The plug door device according to a second aspect of the invention is the plug door device of the first aspect, wherein the rotational force generator is acquired by a driving force acquisition unit that acquires the door opening / closing force from the door as a driving force, and the driving force acquisition unit. And a drive rotating member that generates a rotational force by being rotated by the generated driving force.

  According to the present invention, in the rotational force generator, the mechanism that acquires the door opening / closing force as the driving force and the mechanism that generates the rotational force from the acquired driving force are configured as separate mechanisms. For this reason, the door opening / closing force can be efficiently acquired and efficiently converted into a rotational force, as compared with a rotational force generating unit configured to rotate with frictional force while contacting the door. be able to.

  A plug door device according to a third aspect of the invention is the plug door device of the second aspect of the invention, wherein the rotary arm mechanism is attached with the rotary arm so as to hold the position of the rotary arm at a position in contact with the regulating member. An arm biasing spring that can be biased, and the driving force acquisition unit includes a door-side fixed rack that is fixed to the door, and an external tooth that is provided on an outer periphery of the drive rotating member and meshes with the door-side fixed rack The door-side fixed rack is partially provided in the front-rear direction of the vehicle at the door.

  According to the present invention, the driving force acquisition unit that can efficiently acquire the door opening / closing force can be realized with a simple configuration by the door-side fixed rack fixed to the door and the outer teeth of the outer periphery of the driving rotating member. it can. Since the door-side fixed rack is partially provided in the front-rear direction of the vehicle, the external teeth on the outer periphery of the drive rotating member mesh with the door-side fixed rack after the plug operation, and the door-side fixed rack is prevented from moving excessively. It will be prevented. Furthermore, since the arm biasing spring is provided, when the door is opened, the door side fixed rack partially provided in the front-rear direction of the vehicle and the outer teeth on the outer periphery of the drive rotating member are disengaged. In this case, the position of the rotating arm is held at the position in contact with the regulating member.

  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, and further includes a rotating arm. Thus, it is possible to provide a plug door device that can reduce the installation space of a mechanism that guides the door in the width direction of the vehicle so as to assist the plug operation of the door.

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 JJ line | wire arrow 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 figure which expands and shows a part of FIG. It is a schematic diagram which expands and shows the upper part of the door 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 top view of the rotation arm mechanism in the plug door apparatus shown in FIG. It is a front view including the partial cross section seen from the MM line arrow position of the rotation arm mechanism shown in FIG. It is a side view of the rotation arm mechanism shown in FIG. It is a front view which shows a part of lock mechanism in the plug door apparatus shown in FIG. It is a top view which shows the rotation arm mechanism which concerns on a modification.

  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. In the present embodiment, a plug door device applied to a double-drawing draw door composed of two sheets will be described as an example. However, the present invention is not limited to this example. On the other hand, the present invention may be applied.

  FIG. 1 is a schematic diagram showing an entire plug door device 3 according to an embodiment of the present invention. The plug door device 3 shown in FIG. 1 is applied to a double-drawing draw door composed of two sheets. FIG. 1 is a schematic view seen from the inside of the vehicle, and shows a state in which the door (108, 109) is installed with respect to the entrance 106 of the vehicle. FIG. 2 is a schematic diagram showing a cross section viewed from the position of the arrows JJ in FIG. FIG. 3 is a schematic diagram as a front view of the plug door device 3, and is an enlarged view of the upper portion of the door 108 in FIG. In FIGS. 1 and 3, the illustration of the cover disposed inside the vehicle when the plug door device 3 is stored in the vehicle at the upper part of the entrance 106 is omitted. FIG. 4 is a schematic diagram as a plan view of the plug door device 3 shown in FIG. 3, and is shown together with the doors (108, 109). FIG. 5 is an enlarged view of a part of FIG. FIG. 6 is a schematic diagram as a side view of the plug door device 3 and is an enlarged view of the upper portion of the door (108, 109) in FIG.

[About overall configuration]
As shown in FIG. 1, a vehicle entrance / exit 106 is provided in the vehicle side wall 105. FIG. 1 illustrates a state in which the doors (108, 109) are closed, and the entrance / exit 106 is indicated by a broken line. A frame 107 is fixed to the upper part of the entrance 106 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 105 and the frame 107 constitute a part of the vehicle main body.

  In addition, two doors (108, 109) are installed so as to cover the entrance 106. The two doors (108, 109) are double-drawing doors that are opened and closed by the plug door device 3. And the door (108,109) is formed in the downward side so that it may curve gently and protrude toward the outer side of the width direction of a vehicle (refer FIG. 2). 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. The doors (108, 109) are configured to substantially seal the entrance / exit 106 at a closed position (the position shown in FIGS. 1 and 2), which is a closed position.

  The plug door device 3 shown in FIGS. 1 to 6 is installed at the entrance / exit 106 of the vehicle, and performs an opening / closing operation of the doors (108, 109) and a plug operation of moving the doors (108, 109) in the vehicle width direction. It is provided as a device. The plug door device 3 includes a door drive mechanism 53 that drives the fixed base 51, the slide base 52, and the two draw doors (108, 109) to move in the longitudinal direction of the vehicle. Shaft portion 54 (54a, 54b) driven in the front-rear direction, guide portion 55 (55a, 55b) for guiding the shaft portion 54 (54a, 54b), double speed rail 56 (56a, 56b), lock mechanism 57, rotation The arm mechanism 75 (75a, 75b) is provided.

  The fixed base 51 is fixed to a bracket 107a which is a part of a frame 107 constituting the vehicle body. Thus, the fixed base 51 is fixed so as not to move relative to the vehicle body. Further, the fixed base 51 is provided with a flat plate-like portion 51a installed horizontally and a pair of slide support portions (51b, 51b) provided on both sides of the plate-like portion 51a in the vehicle front-rear direction. ing. The slide support portion 51b is provided as a member that is installed in a block shape so as to extend in the vehicle width direction. A rail member 51c for supporting the slide base 52 so as to be slidable in the vehicle width direction is fixed to each slide support portion 51b.

  The slide base 52 shown in FIGS. 3 and 6 is installed below the fixed base 51 so as to be slidable in the vehicle width direction with respect to the fixed base 51. The slide base 52 is provided with a main body portion 52a, a bracket portion 52b, and a wheel portion 52c that are installed so as to extend flat in the horizontal direction.

  The bracket portion 52b bends downward with respect to the main body portion 52a at the outer end in the vehicle width direction (doors 108 and 109 side) of the main body portion 52a, and further bends outward in the vehicle width direction in the horizontal direction. It is provided as an extending part. And the bracket part 52a is provided with two or more, and is provided so that it may extend from the several places in the front-back direction of a vehicle with respect to the main-body part 52a. A double speed rail 56 (56a, 56b), which will be described later, is installed in each bracket portion 52b. Moreover, the wheel part 52c is installed in the both sides of the vehicle front-back direction in the main-body part 52a, and is provided with the wheel which rolls on the rail member 51c extended in the vehicle width direction. Thereby, the slide base 52 is configured to be slidable in the vehicle width direction with respect to the fixed base 51.

[About door drive mechanism and double-speed rail]
The door drive mechanism 53 shown in FIGS. 3 to 6 is installed in the main body 52a of the slide base 52, and is provided as a mechanism for moving the two doors (108, 109) in the longitudinal direction of the vehicle via the connecting portion 59. It has been. In the present embodiment, the door drive mechanism 53 is installed on the lower side of the main body 52a. The door drive mechanism 53 includes a drive unit 53a including a direct drive brushless electric motor 21, a rack and pinion mechanism 53b, and the like.

  The rack and pinion mechanism 53b is provided as a mechanism that moves the connecting portion 59 when a driving force is input from the driving portion 53a. The rack and pinion mechanism 53b includes two drive racks 60 (60a and 60b) facing each other and a drive pinion 61. The two drive racks 60 (60a, 60b) facing each other are configured by an outer drive rack 60a disposed on the outer side in the vehicle width direction and an inner drive rack 60b disposed on the inner side in the vehicle width direction. The outer drive rack 60a and the inner drive rack 60b are arranged so as to extend in parallel with each other in the vehicle front-rear direction.

  The drive pinion 61 is disposed between the two drive racks (60a, 60b) and is disposed so as to mesh with teeth provided on opposite sides of each drive rack (60a, 60b). And this drive pinion 61 is arrange | positioned so that a rotating shaft center may face the vertical direction. The drive pinion 61 is fixed concentrically to the ring gear 20d of the planetary gear mechanism 20 in the drive unit 53a. For this reason, it is comprised so that it may rotate centering on the same rotating shaft center with rotation of the ring gear 20d. When the drive pinion 61 rotates together with the ring gear 20d, the two drive racks (60a, 60b) meshing with the drive pinion 61 move in opposite directions in the vehicle front-rear direction.

  Further, the drive unit 53a and the drive pinion 61 in the rack and pinion mechanism 53b are disposed in the center portion of the slide base 52 in the front-rear direction of the vehicle. And the connection part 59 is attached to the drive rack 60 (60a, 60b) in the rack and pinion mechanism 53b.

  In addition to the brassless electric motor 21 provided as a driving source and constituting the electric motor of the present embodiment, the driving unit 53a further includes a planetary gear mechanism 20 to which a driving force from the brushless electric motor 21 is input. ing. Similar to the first embodiment, 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. As described above, the drive pinion 61 in the rack and pinion mechanism 53b is fixed to the ring gear 20d.

  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 the driving force output from the carrier 20 c to the lock mechanism 57 when the carrier 20 c swings about the axis of the sun gear 20 a. 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. Further, the lock output portion 22 is provided with an output roller shaft 22 b that rotatably supports the output roller 22 a, and the driving force of the carrier 20 c is transmitted via the output roller shaft 22 b to the transmission member 40 of the lock mechanism 57. Will be entered.

  In the present embodiment, the driving force from the direct drive type 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 rack and pinion mechanism 53b and from the carrier 20c. Although an example in which the output driving force is input to the lock mechanism 57 has been described as an example, this need not be the case. 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. Is input to the rack and pinion mechanism 53b, and the driving force output from the remaining one of the sun gear 20a, the carrier 20c, and the ring gear 20d is input to the lock mechanism 57. Good.

  The connecting portion 59 attached to the drive rack 60 (60a, 60b) and transmitting the driving force from the door drive mechanism 53 includes a connecting portion 59a attached to the outer drive rack 60a and a connecting portion 59b attached to the inner drive rack 60b. It consists of and. Each of the connecting portion 59a and the connecting portion 59b is configured by a bent plate-like member. And the connection part 59a is being fixed with respect to the outer side drive rack 60a in the edge part by the side of the door 108 in the front-back direction of a vehicle. The connecting portion 59b is fixed to the inner drive rack 60b at the end on the door 109 side in the vehicle front-rear direction.

  The connecting portion 59a is configured to extend from the portion fixed to the outer drive rack 60a horizontally toward the door 108 and then bend and extend upward. And the connection part 59a is being fixed to the support rail 16d in the double speed rail 56a installed in the door 108 side in the front-back direction of a vehicle among the double speed rails 56 in the edge part of the part extended upwards. The connecting portion 59b is configured to extend horizontally from the portion fixed to the inner drive rack 60b toward the door 108, and then bend and extend upward. And the connection part 59b is being fixed to the support rail 16d in the double speed rail 56b installed in the door 109 side in the front-back direction of a vehicle among the double speed rails 56 in the edge part of the part extended upwards.

  Further, the connecting portion 59a is provided with a protruding end portion that is partially bent from the end portion of the portion extending upward and protrudes horizontally. The projecting end portion is provided with a shaft portion 54a projecting in a cantilever manner so as to extend upward. The shaft portion 54a is provided with a shaft portion roller 54c that is rotatably attached to a shaft main body fixed to the protruding end portion of the shaft portion 54a.

  In addition, the connecting portion 59b is provided with a protruding end portion that is partially bent from the end portion of the portion extending upward and protrudes horizontally. The protruding end portion is provided with a shaft portion 54b protruding in a cantilever manner so as to extend upward. The shaft portion 54b is provided with a shaft portion roller 54c that is rotatably attached to a shaft main body fixed to the protruding end portion of the shaft portion 54b.

  The double-speed rail 56 (56a, 56b) shown in FIGS. 3 to 6 includes a double-speed rail 56a installed on the door 108 side in the vehicle front-rear direction and a double-speed rail 56b installed on the door 109 side in the vehicle front-rear direction. It consists of The double speed rail 56a and the double speed rail 56b are provided so as to extend in the longitudinal direction of the vehicle. Each of the double speed rails (56a, 56b) includes two racks (16a, 16b) facing each other, a pinion 16c, and a support rail 16d. The two facing racks (16a, 16b) in each double-speed rail (56a, 56b) 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 in each double-speed rail (56a, 56b) is disposed between the two racks (16a, 16b) and is disposed so as to mesh with the teeth provided in each rack (16a, 16b). And in each double speed rail (56a, 56b), the pinion 16c is rotatably supported with respect to the support rail 16d.

  The pinion 16c in the double speed rail 56a is connected to the connecting portion 59a side. That is, the pinion 16c of the double speed rail 56a is connected to the connecting portion 59a via the support rail 16d of the double speed rail 56a. Therefore, the connecting portion 59a fixed to the drive rack 60a and the support rail 16d and the pinion 16c in the double speed rail 56a are connected to each other so that the relative position does not change.

  On the other hand, the pinion 16c in the double speed rail 56b is connected to the connecting portion 59b side. That is, the pinion 16c of the double speed rail 56b is connected to the connecting portion 59b via the support rail 16d of the double speed rail 56b. Therefore, the connecting portion 59b fixed to the drive rack 60b and the support rail 16d and the pinion 16c in the double speed rail 56b are connected to each other so that the relative position does not change.

  Further, in each double-speed rail (56a, 56b), the support rail 16d that rotatably supports the pinion 16c is configured to support the upper rack 16a and the lower rack 16b in a state of being sandwiched from both sides in the vehicle width direction. ing. 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 56a, one lower rack 16b of the two racks (16a, 16b) is fixed and connected to the bracket portion 52b of the slide base 52, and the other upper rack 16a is connected to the door 108 side. It is connected. The upper rack 16a is connected to the door 108 via a door support member 108a. The door support member 108a supports the door 108 in a suspended state.

  In the double speed rail 56b, one lower rack 16b of the two racks (16a, 16b) is fixedly connected to the bracket portion 52b of the slide base 52, and the other upper rack 16a is connected to the door 109 side. It is connected. The upper rack 16a is connected to the door 109 via a door support member configured similarly to the door support member 108a. The door support member supports the door 109 in a suspended state.

  When the drive pinion 61 of the door drive mechanism 53 is driven, the support rail 16d and the pinion 16c of the double speed rail 56a move in the longitudinal direction of the vehicle together with the connecting portion 59a fixed to the drive rack 60a. As a result, the pinion 16c is engaged with the lower rack 16b fixed to the slide base 52, 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 twice the amount of movement in the same direction as the amount of movement of the pinion 16c relative to the lower rack 16b. The door 108 connected to the upper rack 16a via the door support member 108a also moves at the same speed as the upper rack 16a. Then, the door 108 moves to one side in the longitudinal direction of the vehicle with respect to the slide base 52 to which the lower rack 16b is connected.

  Further, when the drive pinion 61 is driven, the support rail 16d and the pinion 16c of the double speed rail 56b together with the connecting portion 59b fixed to the drive rack 60b are also at the same time as the operation timing of the double speed rail 56a. Move in. At this time, the drive rack 60b moves in the opposite direction to the drive rack 60a, and the pinion 16c of the double speed rail 56b moves in the opposite direction to the pinion 16c of the double speed rail 56a. In the double-speed rail 56b, the upper rack 16a moves relative to the lower rack 16b by a distance that is twice the movement distance of the pinion 16c at a speed that is twice the movement speed of the pinion 16c. As a result, with respect to the slide base 52 to which the lower rack 16b of the double speed rail 56b is connected, the door 109 connected to the upper rack 16a via the door support member moves to the other in the vehicle front-rear direction. . That is, the door 109 moves in the direction opposite to the moving direction of the door 108 in the front-rear direction of the vehicle. For this reason, the plug door device 3 is configured such that the double-drawing doors (108, 109) are opened and closed symmetrically.

[About plug mechanism]
In the plug door device 3, the plug mechanism for performing the plug operation for moving the doors (108, 109) in the vehicle width direction includes a shaft portion 54 (54 a, 54 b), a guide portion 55 (55 a, 55 b), and a roller guide ( 23, 23). The plug mechanism for performing the plug operation on the door 108 side includes the shaft portion 54a, the guide portion 55a, and the roller guide 23, and the plug mechanism for performing the plug operation on the door 109 side includes the shaft portion 54b, the guide portion 55b, and the roller. The guide 23 is configured.

  The plug mechanism that performs the plug operation on the door 108 side and the plug mechanism that performs the plug operation on the door 109 side have the same configuration. And the guide part 55a of the plug mechanism by the side of the door 108 is provided so that the axial part 54a provided in the protrusion end part of the connection part 59a may be guided. The guide portion 55b of the plug mechanism on the door 109 side is provided so as to guide the shaft portion 54b provided at the protruding end portion of the connecting portion 59b.

  Since the plug mechanism on the door 108 side and the plug mechanism on the door 109 side are configured similarly, in the following description, the configuration of the plug mechanism on the door 108 side will be described, and the configuration of the plug mechanism on the door 109 side will be described. Omitted. Note that the plug mechanism on the door 108 side and the plug mechanism on the door 109 side are set so that the arrangement configuration of each component in the longitudinal direction of the vehicle is reversed. That is, in the plug mechanism on the door 109 side, the arrangement configuration of each component in the vehicle front-rear direction and the vehicle width direction passes through the center position in the vehicle front-rear direction at the entrance 106 with respect to the plug mechanism on the door 108 side. Thus, it is set so as to have an axisymmetric arrangement state about a virtual line extending horizontally in the vehicle width direction.

  FIG. 7 is a plan view showing the plug mechanism on the door 108 side. FIG. 8 is a view including a partial cross section of the plug mechanism on the door 108 side as seen from the DD line arrow position in FIG. 9 is a side view of the plug mechanism on the door 108 side, as viewed from the direction of the arrow E in FIG. FIG. 10 is a rear view of the plug mechanism on the door 108 side, and includes a partial cross section seen from the direction of arrow F in FIG. FIG. 11 is a plan view for explaining the operation of the plug mechanism on the door 108 side. 8 to 10 are enlarged from FIGS. 7 and 11. 7 to 10 show the state of the plug mechanism when the door 108 is in the closed position. On the other hand, FIG. 11 shows a state immediately after the plug operation is completed when the door 108 is opened from the closed position.

  The plug mechanism (shaft portion 54 a, guide portion 55 a, roller guide 23) shown in FIGS. 3 and 5 to 11 is disposed between the fixed base 51 and the slide base 52. As described above, the shaft portion 54a is provided at the protruding end of the connecting portion 59a. The roller guide 23 is fixed to the lower surface side of the plate-like portion 51 a of the fixed base 51. The guide portion 55 a is configured to include the first link 24 and the second link 25, and is installed on the lower side of the fixed base 51. The guide portion 55 a is rotatably installed on the fixed base 51 in the first link 24.

  The first link 24 is a substantially rectangular plate-shaped member, and is provided such that one end side thereof is rotatable with respect to the fixed base 51. 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 54 c of the shaft portion 54 a 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. In addition, a second cutout portion 25a that can accommodate the shaft roller 54c of the shaft portion 54a 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 108 is in the closed position, as shown in FIG. 7, the first notch portion 24a of the first link 24 and the second notch portion 25a of the second link 25 are axially viewed from above. The periphery of the portion 54a is surrounded. Specifically, the first link 24 is held so that the opening side of the first cutout portion 24a faces outward in the vehicle width direction, and the second link 25 holds the opening side of the second cutout portion 25a. The first rotation shaft 26 is held so as to face in the opposite direction. Accordingly, the second link 25 restrains the shaft portion 54 a from moving from the inside of the first cutout portion 24 a toward the outside in the first link 24.

  When the door 108 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. As a result, the second link 25 is attached to the helical spring 30 so as to rotate in a direction to release the restraint of the shaft portion 54a (a clockwise direction around the second rotation shaft 27 as 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 so that the inclined surface 23a is located on the outer side in the vehicle width direction in the direction in which the door 108 opens (the opening direction of the door 108, indicated by an arrow G1 in FIG. 7). It is configured as a flat surface to be formed.

  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 closing direction of the door 108; the direction of the door 108). The direction is opposite to the opening direction, and is recessed toward the arrow G2 in FIG.

[Rotating arm mechanism]
FIG. 12 is a schematic diagram showing the lower portion of the door 108 in FIG. 2 in an enlarged manner. The rotating arm mechanism 75 (75a, 75b) shown in FIGS. 1, 2, and 12 is installed on the lower side of the door (108, 109), and assists the plug operation of the door (108, 109) by the plug mechanism. Thus, it is provided as a mechanism for guiding the doors (108, 109) in the vehicle width direction. The rotating arm mechanism 75 (75a, 75b) is based on a door opening / closing force that is a force in the moving direction of the door (108, 109) that moves in the opening / closing direction in accordance with the opening / closing operation of the door (108, 109). And a rotating arm 80 that rotates.

  The rotating arm mechanism 75a is provided as a mechanism for guiding the door 108 in the vehicle width direction so as to assist the plug operation of the door 108. The rotating arm mechanism 75b is provided as a mechanism for guiding the door 109 in the vehicle width direction so as to assist the plug operation of the door 109. The pivot arm mechanisms (75a, 75b) are respectively arranged on both sides in the vehicle front-rear direction on the lower side of the entrance 106. 2 and 12, the rotating arm mechanism 75a that does not appear in the state viewed from the position of the arrow JJ in FIG. 1 is indicated by a two-point difference line at a corresponding position in the vehicle front-rear direction. ing.

  The turning arm mechanism 75a on the door 108 side and the turning arm mechanism 75b on the door 109 side are configured similarly. Therefore, in the following description, the configuration of the rotating arm mechanism 75a will be described, and the description of the configuration of the rotating arm mechanism 75b will be omitted. It should be noted that the rotation arm mechanism 75a on the door 108 side and the rotation arm mechanism 75b on the door 109 side are set so that the arrangement configuration of each component in the vehicle front-rear direction is reversed. That is, in the turning arm mechanism 75b, the arrangement of each component in the vehicle front-rear direction and the vehicle width direction is horizontal with respect to the turning arm mechanism 75a through the center position in the vehicle front-rear direction at the entrance 106. Are arranged so as to be symmetrical with respect to a virtual line extending in the vehicle width direction.

  FIG. 13 is a plan view showing the rotating arm mechanism 75a. FIG. 14 is a front view including a partial cross section of the turning arm mechanism 75a shown in FIG. FIG. 15 is a side view of the rotating arm mechanism 75a. As shown in FIGS. 12 to 15, the rotating arm mechanism 75 a includes a rotational force generating portion 76, a driven rotating member 77, a guide curved surface member 78, a door side support portion 79, a rotating arm 80, a regulating member 81, and an arm attached. A biasing spring 82, an intermediate gear 83, an auxiliary roller 84, and the like are provided.

  The rotational force generator 76 is provided as a mechanism for generating rotational force by acquiring the door opening / closing force (force in the moving direction of the door 108 moving in the opening / closing direction) from the door 108. The rotational force generation unit 76 includes a driving force acquisition unit 76a and a driving rotation member 76b.

  The driving force acquisition unit 76a is provided as a mechanism that acquires the door opening / closing force from the door 108 as a driving force. On the other hand, the drive rotation member 76b is provided as a member that generates a rotation force by the drive force acquired by the drive force acquisition unit 76a. In the present embodiment, the driving force acquisition unit 76a is provided on the door-side fixed rack 85 fixed to the door 108 on the inner side in the vehicle width direction, and on the outer periphery of the drive rotation member 76b. And external teeth 86 meshing with 85 teeth. The drive rotation member 76b having the outer teeth 86 provided on the outer periphery is configured as a spur gear. The door-side fixed rack 85 is partially provided in the door 108 in the front-rear direction of the vehicle, not in the full length. The length of the door-side fixed rack 85 in the front-rear direction of the vehicle is such that when the door 108 moves from the closed position to the opening direction, the door 108 is engaged with the external teeth 86 during the plug operation, and at the end of the plug operation. It is set so that the engagement with the external teeth 86 is released.

  The driven rotation member 77 is provided as a spur gear that rotates when the rotation force generated by the drive rotation member 76 b of the rotation force generator 76 is transmitted via the intermediate gear 83. The intermediate gear 83 is provided as a spur gear and is disposed so as to mesh with the drive rotating member 76 b and the driven rotating member 77. Therefore, the door-side fixed rack 85 moves as the door 108 moves in the opening / closing direction, and the drive rotating member 76b that meshes with the door-side fixed rack 85 rotates as the door-side fixed rack 85 moves, and further the intermediate that meshes with the drive rotating member 76b. The gear 83 rotates. As the intermediate gear 83 rotates, the driven rotation member 77 that meshes with the intermediate gear 83 rotates.

  The guide curved surface member 78 is configured as a member provided with a guide curved surface portion 78a that abuts on the driven rotation member 77 and moves the driven rotation member 77 along an arcuate curved surface as the driven rotation member 77 rotates. ing. And this guide curved surface member 78 is being fixed with the volt | bolt with respect to the vehicle side bracket 87 attached to the vehicle side wall 105 side which is a vehicle main body. Further, the guide curved surface member 78 is provided with a portion where a guide curved surface portion 78 a is formed on the side opposite to the end side fixed to the vehicle side bracket 87. In addition, the part in which the guide curved surface part 78a was formed is provided as a fan-shaped part which has the edge part extended in circular arc shape, and a pair of edge part extended in radial direction on the both sides. The guide curved surface portion 78 a is formed with external teeth that are arranged along an arcuate curved surface and mesh with the teeth on the outer periphery of the driven rotation member 77. As a result, the driven rotating member 77 rotates while meshing with the external teeth of the guide curved surface portion 78a, so that the driven rotating member 77 has an arcuate shape as indicated by a double-ended arrow N in FIG. It moves along the curved surface.

  The rotating arm 80 is disposed in the vicinity of the door-side fixed rack 85 on the inner side of the door 108 in the vehicle width direction, and is provided so as to be rotatable with respect to the guide curved surface member 78 via a rotating shaft 88. The rotating arm 80 includes a pair of flat plate-like portions extending in parallel with each other in a horizontal direction and a side wall portion that fixes and connects the pair of flat plate-like portions. The rotating arm 80 rotatably holds the drive rotation member 76b in the rotational force generator 76 at a pair of upper and lower flat plate portions, and the intermediate gear 83 and the driven rotation member 77 are also rotatable. Is configured to hold.

  The regulating member 81 is provided on the opening direction side, which is the direction in which the door 108 opens, with respect to the turning arm 80, and abuts the turning arm 80 when the door 108 opens, thereby reducing the turning range of the turning arm 80. It is provided as a restricting stopper. The restriction member 81 includes a stopper bracket 81a and a stopper rubber 81b.

  The stopper bracket 81a is provided as a member fixed to the guide curved surface member 78 in a cantilever manner, and is installed so as to protrude from the guide curved surface member 78 toward the outside in the vehicle width direction. The stopper rubber 81b is provided as a rubber member fixed to the stopper bracket 81a. The stopper rubber 81b is fixed to the stopper bracket 81a at a midway portion in the protruding direction of the stopper bracket 81a, and is provided as a portion that comes into contact with the rotating arm 80. In FIG. 13, the rotating arm 80 that rotatably holds the drive rotating member 76b, the intermediate gear 83, and the driven rotating member 77 rotates as the door 108 moves in the opening direction, and the stopper rubber 81b is moved. A state in which the rotation range is restricted by contact is shown by a two-dot chain line.

  The arm biasing spring 82 holds the rotating arm 80 so as to hold the position of the rotating arm 80 at a position where the rotating arm 80 abuts against the regulating member 81 (a position indicated by a two-dot chain line in FIG. 13). It is provided as a spring member that can be biased. The arm biasing spring 82 is provided as a coil spring.

  The end portion on one end side of the arm biasing spring 82 is rotatably attached to a pin 89 that is installed to extend in the vertical direction on the same axis as the rotation shaft of the intermediate gear 83. On the other hand, the other end of the arm biasing spring 82 is rotatably attached to a pin 90 that is installed so as to extend in the vertical direction in a spring support bracket 87a that protrudes from the vehicle side bracket 87. It has been. Thereby, the arm biasing spring 82 is provided so as to be able to bias the pin 89 side which is the end portion on one end side in the pulling direction with respect to the pin 90 side which is the end portion on the other end side.

  The pin 90 that rotatably supports the other end of the arm biasing spring 82 is disposed on the inner side in the vehicle width direction with respect to the rotating shaft 88 and the regulating member 81 of the rotating arm 80. In the front-rear direction of the vehicle, it is disposed on the opposite side to the rotating arm 80. The arm biasing spring 82 is disposed so as to pass above the rotating shaft 88 when the door 108 moves from the closed position to the state where the plug operation is completed and the rotating arm 80 rotates. ing. For this reason, the arm biasing spring 82 is in a direction in which the rotating arm 80 is brought into contact with the regulating member 81 in a state where the plug operation of the door 108 is completed and the rotating arm 80 is brought into contact with the regulating member 81. It is configured to be energized.

  The door-side support portion 79 is provided on the door 108 side with respect to the rotational force generating portion 76, and a pair of support rollers (79a, 79a) and a support frame that rotatably supports the pair of support rollers (79a, 79a). 79b. The door-side support portion 79 has a pair of rollers (79a, 798a) on the side where the rotational force generating portion 76 is disposed in the vehicle width direction with respect to the door rail 91 which is a part of the door 108 (with respect to the door rail 91). It is arranged so as to be in contact with the side opposite to the inside in the vehicle width direction. Thereby, the door side support part 79 is comprised so that the door rail 91 as a part of door 108 may be supported.

  In addition, the door rail 91 is provided in the lower end side in the vehicle width direction in the door 108, and is comprised as a rail part extended in the front-back direction of a vehicle. Further, the door rail 91 is provided in the door 108 so as to partition a groove that opens downward and extends in the front-rear direction of the vehicle. A pair of support rollers (79a, 79a), which are rotatably supported by the support frame 79b via rotation axes in the vertical axis direction, are arranged inside the grooves. In addition, each support roller 79 a abuts against the door rail 91 toward the inner side in the vehicle width direction and is arranged to be rotatable with respect to the door rail 91.

  Further, on the inner side in the vehicle width direction with respect to the door rail 91, there is an auxiliary roller 84 that is rotatably supported by the rotating arm 80 and installed at a height position corresponding to the pair of support rollers (79a, 79a). Is arranged. The auxiliary roller 84 has a rotation shaft disposed on the same axis as the rotation shaft of the drive rotation member 76b, and is disposed below the drive rotation member 76b. The auxiliary roller 84 is arranged so as to be able to roll with respect to the door rail 91, and the door rail 91 is disposed on both sides in the vehicle width direction together with the pair of support rollers (79a, 79a) together with the pair of support rollers (79a, 79a). It is provided so that it may support on both sides.

  The support frame 79b that rotatably supports the pair of support rollers (79a, 79a) is disposed below the door rail 91 so as to extend in the vehicle width direction. The support frame 79b rotatably supports the pair of support rollers (79a, 79a) at the outer end in the vehicle width direction. On the other hand, the inner end of the support frame 79b in the vehicle width direction is attached to be rotatable with respect to the rotation shaft of the auxiliary roller 84. For this reason, when the turning arm 80 is turned along with the movement of the door 108, the support frame 79b is turned with respect to the turning arm 80, and a pair of support rollers (79a, 79a, 79a) and the auxiliary roller 84 support the door rail 91.

[About the lock mechanism]
The lock mechanism 57 shown in FIGS. 3, 5 and 6 is provided as a lockable mechanism so as to limit the movement of the door (108, 109) in the closed position of the door (108, 109). The lock mechanism 57 includes a lock pin 63 (63a, 63b), a link mechanism 64, a link holding mechanism 65, a lock fixing portion 62, and a lock moving portion 37.

  The lock pin 63 (63a, 63b) is provided as a pin-shaped portion installed on the arm member (66a, 66b) fixed to the drive rack 60 (60a, 60b) or the connecting portion 59 (59a, 59b). Yes. The arm member 66a is fixed to the drive rack 60a or the connecting portion 59a. The arm member 66b is fixed to the drive rack 60b or the connecting portion 59b. The arm members (66a, 66b) are provided so as to extend inward in the vehicle width direction from the drive rack 60 (60a, 60b) or the connecting portion 59 (59a, 59b). The arm members (66a, 66b) are further provided with a portion protruding along the vehicle front-rear direction on the inner end side in the vehicle width direction. The portions of the arm members (66a, 66b) that project in the front-rear direction of the vehicle are disposed so as to project in a cantilevered manner from the front and rear sides of the vehicle toward the center in the front-rear direction of the vehicle at the entrance 106. ing. And each lock pin (63a, 63b) is being fixed to the edge part of the front end side which protrudes in the cantilever direction in the front-back direction of the vehicle in each arm member (66a, 66b). The lock pin 63a is provided so as to protrude outward from the end of the arm member 66a on the front end side in the vehicle width direction. On the other hand, the lock pin 63b is provided so as to protrude outward in the vehicle width direction from the end portion on the distal end side of the arm member 66b.

  The link mechanism 64 is configured by connecting three links in series, and is provided as a mechanism that can be deformed into a straight state and a bent state in a vertical plane. The central link 64a of the link mechanism 64 is rotatably supported with respect to the guide plate 43 by a connecting pin 67a at the central portion. The guide plate 43 is provided as a plate-like member fixed to the housing or the like of the driving unit 53a installed on the slide base 52. The guide plate 43 is formed with a long hole 43a in which the output roller 22a is disposed below the position where the connection pin 67a is attached. The output roller 22a moves in the longitudinal direction of the vehicle by moving along the long hole 43a. The output roller 22a is installed so as to be able to engage with the central link 64a of the link mechanism 64, and the link mechanism moves in a straight state and a bent state as the output roller 22a moves along the long hole 43a. It is comprised so that it may deform | transform between.

  The link holding mechanism 65 includes a pair of engaging members (69a, 69b). The pair of engaging members (69a, 69b) are disposed in the vicinity of both ends of the link mechanism 64 so as to be rotatable in a vertical plane symmetrically with respect to the link mechanism 64 (with respect to the connecting pin 67a). . The pair of engaging members (69a, 69b) are engaged with both ends of the link mechanism 64 in the linear state when the door (108, 109) is in the closed position, and are engaged with the lock pins (63a, 63b). Are also configured to engage.

  On the other hand, in the above state, when the driving force output by swinging the carrier 20c of the planetary gear mechanism 20 is output to the output roller 22a of the lock output unit 22, the linear state is caused by the movement of the output roller 22a. The link mechanism 64 is deformed into a bent state. As a result, the engagement between the pair of engaging members (69a, 69b) and the link mechanism 64 is released. The rack and pinion mechanism 53b is operated by the driving force output from the ring gear 20d of the planetary gear mechanism 20, and the arm members (66a, 66b) are moved together with the driving racks (60a, 60b) or the connecting portions (59a, 59b). When it moves, the lock pins (63a, 63b) also move away from each other in the opening direction of the door (108, 109).

  When the lock pins (63a, 63b) move as described above, the engagement between the link mechanism 64 and the engagement members (69a, 69b) is disengaged, so that the engagement members (69a, 69b) are not shown. It rotates by the urging force of the urging spring, and the engagement with the lock pins (63a, 63b) is released. In this state, the engaging members (69a, 69b) are configured to restrain the movement of the link mechanism 64 extending in a linear state by the outer edge portion. When the link mechanism 64 is held in the bent state by the link holding mechanism 65, the output roller 22a is held by the link 64a, and the output to the carrier 20c in the planetary gear mechanism 20 is maintained in a fixed state. The

  On the other hand, when the rack and pinion mechanism 53b operates in the reverse direction, the arm members (66a, 66b) and the lock pins (63a, 63b) move toward each other toward the closing direction of the door (108, 109). Will do. When the lock pins (63a, 63b) move in this way, the lock pins (63a, 63b) engage with the engaging members (69a, 69b), and the engaging members (69a, 69b) become biasing springs (not shown). It rotates in the direction opposite to the biasing direction. Then, the engaging members (69a, 69b) can be engaged with the link mechanism 64. In this state, the carrier 20c of the planetary gear mechanism 20 swings, and the output roller 22a of the lock output unit 22 moves through the long hole 43a, so that the link mechanism 64 is deformed from the bent state to the linear state. Then, both end portions of the link mechanism 64 are engaged with the engaging members (69a, 69b).

  FIG. 16 is a plan view showing the lock fixing portion 62 and the lock moving portion 37 in the lock mechanism 57. The lock fixing portion 62 is configured as a block-like member provided to be fixed to the fixing base 51.

  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 57. The lock moving portion 37 is configured to come into contact with the lock fixing portion 62 on the inner surface 36a in the vehicle width direction at the closed position of the door (108, 109). Thus, the lock mechanism 57 moves the door (108, 109) outward in the vehicle width direction when the door (108, 109) is closed by the lock moving part 37 coming into contact with the lock fixing part 62. It is provided to regulate.

  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 52 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 57 to the slide contact portion 38. The transmission member 40 is fixed to the output roller shaft 22b in the lock output unit 22 (see FIG. 6). Although the guide plate 43 is not shown in FIG. 6, the output roller shaft 22 b passes through the long hole 43 a of the guide plate 43 and is fixed to the lower end side of the transmission member 40. The output roller 22a is rotatably supported at a position corresponding to the long hole 43a with respect to the output roller shaft 22b penetrating the long hole 43a.

  As described above, the lock mechanism 57 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 shaft 22b 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.

  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 addition, the slide block 41 is formed with a groove in which the upper end side of the transmission member 40 is fixed and is slidably fitted on the rail surface of the slide rail 39 so as to be slidable.

  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. Note that a surface 36 a on which the roller 42 can abut is provided on the side surface of the lock fixing portion 62. The surface 36 a is provided as a side surface facing the inner side in the vehicle width direction in the lock fixing portion 62. The 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 (108, 109) is closed. The doors (108, 109) are configured to be restricted from moving outward in the vehicle width direction.

[Operation of plug door device]
Next, the operation of the plug door device 3 will be described. As shown in FIGS. 1 to 6, when the doors (108, 109) are in the closed position, the shaft portions 54 (54a, 54b) are connected to the first links 24 and the second links in the guide portions 55 (55a, 55b), respectively. The link 25 is engaged.

  When the doors (108, 109) are in the closed position, as shown in FIGS. 5, 6, and 16, in the lock mechanism 57, the roller 42 is in contact with the surface 36a of the lock fixing portion 62. For this reason, the movement of the slide base 52 to the outside in the vehicle width direction is restricted via the lock mechanism 57 and the carrier 20c of the planetary gear mechanism 20. As a result, the plug operation to the outside in the vehicle width direction by the plug mechanism is restricted and locked so that the movement of the doors (108, 109) is restricted.

  When the direct drive brushless electric motor 21 of the door drive mechanism 53 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. The output roller 22a and the output roller shaft 22b move to one side in the long hole 43a by the swing of the carrier 20c accompanying the revolution of the planetary gear 20b.

  As a result, the transmission member 40 moves together with the output roller shaft 22b in parallel with the opening direction of the door 108 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 of the door 108. Then, the link mechanism 64 shifts from a linear state in which both end portions are engaged with the engaging members (69a, 69b) to a bent state in which both end portions are disengaged.

  As described above, the roller 42 that has been in contact with the surface 36a of the lock fixing portion 62 moves to a position where it is removed from the surface 36a. Then, the lock pins (63a, 63) engaged with the engaging members (69a, 69b) move to a position where they are disengaged from the engaging members (69a, 69b). In FIG. 16, the position of the roller 42 that has moved to a position off the surface 36a is shown as a two-dot chain line roller 42a. As a result, the locked state of the doors (108, 109) by the lock mechanism 57 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 53 is continued further. As a result, the driving force output to the drive pinion 61 of the rack and pinion mechanism 53b via the ring gear 20d is further transferred to the shaft portion (54a) via the drive rack (60a, 60b) and the connecting portion (59a, 59b). , 54b). Therefore, each of the shaft portions (54a, 54b) biases the second links 25 of the respective guide portions (55a, 55b) in the same direction so as to move the doors (108, 109) in the opening direction.

  The description of the operation of the plug mechanism in the following will be made by taking the plug mechanism on the door 108 side shown in FIG. 7 to FIG. 11 as an example, and the description of the operation of the plug mechanism on the door 109 side is the same. Omitted. 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) is performed by the guide roller 28. The roller guide 23 is regulated at a position where it abuts on the inclined surface 23a. 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 23a, the first cutout portion 24a of the first link 24 and the second cutout portion 25a of the second link 25 move around the shaft portion 54a. The enclosed state is maintained.

  When the shaft portion 54a 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 54a 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 doors (108, 109) are opened, the guide portions 55 (55a, 55b) rotate while contacting the shaft portions (54a, 54b) so that the shaft portions (54a, 54b) are moved to the vehicle. It is configured as a mechanism for guiding the shaft portions (54a, 54b) so as to move in one of the width directions (the opening direction of the door 108 and the opening direction of the door 109).

  Further, when the guide portions (55a, 55b) are operated as described above, a force directed outward in the vehicle width direction acts on the shaft portions (54a, 54b). Therefore, a force directed outward in the vehicle width direction also acts on the door drive mechanism 53 connected to the shaft portions (54a, 54b) via the connection portions (59a, 59b), and the door drive mechanism 53 is installed. A force directed outward in the vehicle width direction also acts on the slide base 52.

  As described above, the door drive mechanism 53 and the slide base 52 are guided by the slide support portion 51b in the fixed base 51 and moved outward in the vehicle width direction. As a result, a plug operation in which the doors (108, 109) move outward in the vehicle width direction is performed. Then, by performing the plug operation, the doors (108, 109) can be moved in the opening direction.

  When the plug operation to the outside in the vehicle width direction is performed, the rotating arm mechanism 75 (75a, 75b) is configured to assist the plug operation of the door (108, 109). ) To the outside in the vehicle width direction. The following description of the operation of the rotary arm mechanism 75 will be made by taking the rotary arm mechanism 75a on the door 108 side shown in FIGS. 12 to 15 as an example, and the operation of the rotary arm mechanism 75b on the door 109 side will be described. Since the description is the same, it is omitted as appropriate.

  First, when the door 108 is in the closed position, the rotating arm mechanism 75a has the outer teeth 86 on the outer periphery of the drive rotating member 76b meshed with the door-side fixed rack 85, and the rotating arm 80 is shown by a solid line in FIG. Located in the position shown. From this state, when the plug operation of the door 108 is started, with the movement of the door 108, the drive rotation member 76b rotates while meshing with the door-side fixed rack 85 at the outer teeth 86, and the drive force as the door opening / closing force Is acquired by the driving force acquisition unit 76a. At this time, the pair of support rollers (79a, 79a) and the auxiliary roller 84 roll with respect to the door rail 91 while rotating in opposite directions with the door rail 91 sandwiched from both sides in the vehicle width direction. It will be.

  As the door 108 moves, the drive rotation member 76b rotates, the intermediate gear 83 meshing with the drive rotation member 76b rotates, and the driven rotation member 77 meshing with the intermediate gear 83 rotates. At this time, the driven rotation member 77 rotates while meshing with the external teeth of the guide curved surface portion 78a of the guide curved surface member 78, and moves along the guide curved surface portion 78a. Thus, the rotation arm 80 that rotatably supports the drive rotation member 76b and the driven rotation member 77 and is rotatably supported by the guide curved surface member 78 is moved outward in the vehicle width direction as the door 108 moves. It will turn toward.

  When the door 108 moves to a position where the plug operation is completed, the pivot arm 80 moves to a position indicated by a two-dot chain line in FIG. 13 and comes into contact with the stopper rubber 81b of the regulating member 81. Thereby, the rotation range of the rotation arm 80 is restricted, and the rotation arm 80 is in a stopped state. Further, when the door 108 moves to a position where the plug operation is completed, the meshing between the door-side fixed rack 85 and the external teeth 86 that are partially provided in the front-rear direction of the vehicle in the door 108 is released. Thereby, the acquisition of the door opening / closing force of the door 108 by the driving force acquisition unit 76a when the door 108 is opened ends.

  Further, when the door 108 moves in the opening direction after the plug operation of the door 108, the pair of support rollers (79a, 79a) and the auxiliary roller 84 are moved together with the movement of the door rail 91 of the door 108. It will roll with respect to 91. In this state, the arm urging spring 82 holds the position of the rotating arm 80 at a position in contact with the regulating member 81.

  When the plug mechanism and the turning arm mechanism 75 complete the plug operation to the outside in the vehicle width direction, the movement of both ends of the link mechanism 64 in the bent state is caused by the outer edge portions of the engaging members (69a, 69b). It is restrained. In this state, a reaction force that balances the driving force input from the carrier 20c of the planetary gear mechanism 20 to the lock mechanism 57 is generated at the outer edge of the engaging members (69a, 69b). Accordingly, the drive pinion 61 is rotationally driven by the driving force input to the drive pinion 61 from the ring gear 20d of the planetary gear mechanism 20.

  As the drive pinion 61 rotates, the drive racks (60a, 60b) are driven in opposite directions, and the support rails 16d and the pinions 16c in the double speed rails (56a, 56b) move together with the connecting portions (59a, 59b). . Therefore, in each double-speed rail (56a, 56b), the upper rack 16a connected to the door (108, 109) is double-speed with respect to the pinion 16c with respect to the lower rack 16b fixed to the slide base 52. Will move. As a result, the doors (108, 109) move in the opening direction, and the doors (108, 109) are opened. During the movement of the doors (108, 109) in the opening direction, the shaft portions (54a, 54b) do not receive force in the vehicle width direction from the guide portions (55a, 55b), and the connecting portions (59a, 59b) moves linearly in the opening direction of the doors (108, 109).

  On the other hand, when the doors (108, 109) are closed, an operation opposite to the opening operation of the doors (108, 109) described above is performed. That is, the direct drive type brushless electric motor 21 in the door drive mechanism 53 is driven, and the drive pinion 61 driven via the planetary gear mechanism 20 rotates in the opposite direction to that in the above-described opening operation. Thereby, the support rail 16d and the pinion 16c in each double speed rail (56a, 56b) connected to the connecting portion (59a, 59b) move in the opposite direction to the case of the opening operation described above. In each double speed rail (56a, 56b), the upper rack 16a connected to the door (108, 109) moves at a double speed relative to the pinion 16c with respect to the lower rack 16b fixed to the slide base 52. To do. As a result, the doors (108, 109) move in the closing direction, and the doors (108, 109) are closed. Further, the shaft portions (54a, 54b) move linearly in the closing direction toward the guide portions (55a, 55b), respectively.

  In the guide portion 55a, when the door 108 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 54a that has linearly moved in the closing direction can come into contact with the inner edge of the second notch portion 25a. Moreover, the 1st link 24 is also hold | maintained in the position which can accommodate the axial part 54a which has moved linearly in the closing direction in the 1st notch part 24a (refer FIG. 11).

  Accordingly, the shaft portion 54a abuts against the inner edge of the second cutout portion 25a of the second link 25 when the door 108 moves in a 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 54a is moved 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 54a moves in the closing direction to a position where it comes into contact with the inner edge of the first cutout portion 24a of the first link 24, and biases the first link 24 in the closing direction. Accordingly, the first link 24 rotates counterclockwise when viewed from above about the first rotation shaft 26, and the shaft portion 54a is guided inward in the vehicle width direction.

  At this time, the door 108 moves in the same manner as the shaft portion 54a. That is, the door 108 linearly moves 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 doors (108, 109) are closed, the guide portions (55a, 55b) rotate while abutting on the shaft portions (54a, 54b) so that the shaft portions (54a, 54b) are in the vehicle width. It is configured as a mechanism for guiding the shaft portions (54a, 54b) so as to move in the other direction (the closing direction of the door 108 and the closing direction of the door 109).

  When the plug operation to the inside in the vehicle width direction is performed, the swing arm mechanism 75 (75a, 75b) supports the door (108, 109) so as to assist the plug operation of the door (108, 109). ) To the outside in the vehicle width direction.

  When the door 108 is moving in the closing direction, the pair of support rollers (79a, 79a) and the auxiliary roller 84 are rolling with respect to the door rail 91. When the door 108 moves by a predetermined amount in the closing direction and reaches a position where the plug operation inward in the vehicle width direction is started, the door-side fixed rack 85 reaches a position where it engages with the outer teeth 86 on the outer periphery of the drive rotating member 76b. To reach. Furthermore, when the door 108 starts to be plugged inward in the vehicle width direction, the drive rotating member 76b rotates while meshing with the door-side fixed rack 85 at the outer teeth 86 as the door 108 moves, thereby opening and closing the door. The driving force is acquired by the driving force acquisition unit 76a. At this time, the drive rotation member 76b rotates in the direction opposite to the rotation direction when the door 108 is opened.

  As the door 108 moves, the drive rotation member 76b rotates, the intermediate gear 83 meshing with the drive rotation member 76b rotates, and the driven rotation member 77 meshing with the intermediate gear 83 rotates. At this time, the driven rotating member 77 rotates while meshing with the external teeth of the guide curved surface portion 78a of the guide curved surface member 78, and moves along the guide curved surface portion 78a in the direction opposite to that when the door 108 is opened. become. As a result, the rotation arm 80 that rotatably supports the drive rotation member 76b and the driven rotation member 77 and that is rotatably supported by the guide curved surface member 78 moves inward in the vehicle width direction as the door 108 moves. It will turn toward. When the door 108 reaches the closed position, the acquisition of the door opening / closing force of the door 108 by the driving force acquisition unit 76a when the door 108 is closed is finished, and the rotation of the rotary arm 80 is also stopped. Become.

  Further, when the plug operation to the inside in the vehicle width direction by the plug mechanism and the rotation arm mechanism 75 is completed, the lock pins (63a, 63b) are engaged with the engagement members (69a, 69b), respectively, and are engaged. The members (69a, 69b) are rotated. Thereby, the engaging members (69a, 69b) are in a state of facing both ends of the link mechanism 64 in the bent state. When the engaging members (69a, 69b) are rotated as described above, the link mechanism 64 is released from the restriction by the outer edges of the engaging members (69a, 69b). For this reason, the link 64a rotates by the driving force input from the carrier 20c of the planetary gear mechanism 20 via the output roller 22a, and the link mechanism 64 is deformed from the bent state to the linear state. Then, both end portions of the link mechanism 64 are engaged with the engaging members (69a, 69b).

  At this time, due to the driving force input from the carrier 20c via the output roller shaft 22b, the transmission member 40 moves in parallel with the closing direction of the door 108 in the front-rear direction of the vehicle, and the slide block 41 also moves on the slide rail 39. Is moved in parallel with the closing direction of the door 108. Then, the roller 42 moves from a position indicated as a two-dot chain line roller 42 a in FIG. 16 to a position where it abuts on the surface 36 a of the lock fixing portion 62. Thereby, the locked state of the doors (108, 109) by the lock mechanism 57 is ensured, and the plug mechanism cannot be plugged outward in the vehicle width direction.

[Effect of plug door device]
According to the plug door device 3 described above, the guide portion 55 (55a, 55b) guides the shaft portion 54 (54a, 54b) in the vehicle width direction by rotating in contact with the shaft portion 54 (54a, 54b). To do. Therefore, the operation of the guide portion 55 (55a, 55b) is an operation that follows the movement of the door (108, 109) in the vehicle width direction. Thereby, according to the movement condition of the doors (108, 109) in the vehicle width direction, the space occupied by the guide portions 55 (55a, 55b) in the vehicle width direction can be further reduced. Thereby, the small plug door apparatus 3 which can perform opening / closing operation | movement and plug operation | movement with the door drive mechanism 53 which applies the force to the front-back direction of a vehicle with respect to a door (108,109) is realizable.

  Furthermore, according to the plug door device 3, the rotation arm mechanism 75 (75a, 75b) having the rotation arm 80 that rotates based on the door opening / closing force in accordance with the opening / closing operation of the door (108, 109) is provided. . In the rotating arm mechanism 75 (75a, 75b), the driven rotating member 77 to which the rotational force generated by the door opening / closing force acquired from the door (108, 109) is transmitted rotates, and the driven rotating member 77 is rotated. By being guided along the guide curved surface portion 78a, the rotation arm 80 holding the driven rotation member 77 rotates. Therefore, the shaft portion 54 (54a, 54b), the guide portion 55 (55a, 55b), and the slide base 52 are installed on the upper side of the door (108, 109), and the rotating arm mechanism 75 (75a, 75b) is provided. Even when the rigidity of the doors (108, 109) is small and the doors (108, 109) are small in rigidity, the door (108, 108) with respect to the movement of the upper side of the doors (108, 109) during the plug operation. 109), the state in which the followability of the movement on the lower side becomes insufficient is prevented. That is, even if the connecting shaft disclosed in Patent Document 1 is not provided, the lower part of the door (108, 109) with respect to the movement of the upper side of the door (108, 109) in which the mechanism for performing the plug operation is arranged. The followability of the side movement is ensured. Therefore, it is possible to reduce the installation space of the mechanism that has the rotating arm 80 and guides the doors (108, 109) in the vehicle width direction so as to assist the plug operation of the doors (108, 109). According to the rotating arm mechanism 75 (75a, 75b), the vehicle width is obtained via a part of the door (108, 109) in addition to the rotational force generator 76 side that acquires the door opening / closing force and generates the rotational force. The doors (108, 109) are also supported by the door-side support portion 79 arranged on the opposite side in the direction. Therefore, a part of the door (108, 109) is supported so as to be sandwiched from both sides in the vehicle width direction, and the rotational force generator 76 operates following the door (108, 109). A state is always secured. Further, in this pivot arm mechanism 75 (75a, 75b), the pivot range on the door opening direction side of the pivot arm 80 is regulated by the regulating member 81, so that it pivots when the door (108, 109) is opened. This prevents the arm 80 from excessively rotating after the plug operation and hindering the movement of the doors (108, 109).

  Therefore, according to this embodiment, the small plug door device 3 that can perform the opening / closing operation and the plug operation by the door drive mechanism 53 that applies the force in the front-rear direction of the vehicle to the door (108, 109) is realized. Further, the installation space of the mechanism for guiding the doors (108, 109) in the width direction of the vehicle so as to assist the plug operation of the doors (108, 109) with the rotating arm 80 can be reduced. The plug door device 3 can be provided.

  Further, according to the plug door device 3, the rotational force generation unit 76 includes a mechanism that acquires the door opening / closing force as a driving force and a mechanism that generates the rotational force from the acquired driving force as separate mechanisms. . For this reason, the door opening / closing force can be efficiently acquired and efficiently compared to a rotational force generator configured to rotate with frictional force while contacting the door (108, 109). It can be converted into rotational force.

  Further, according to the plug door device 3, the driving force acquisition unit 76a capable of efficiently acquiring the door opening / closing force is simple due to the door side fixed rack 85 fixed to the door and the outer teeth 86 on the outer periphery of the driving rotation member 76b. Can be realized with a simple configuration. Since the door-side fixed rack 85 is partially provided in the front-rear direction of the vehicle, the external teeth 86 on the outer periphery of the drive rotation member 76b mesh with the door-side fixed rack 85 after the plug operation and operate excessively. 109) is prevented from being hindered. Further, since the arm biasing spring 82 is provided, when the doors (108, 109) are opened, the outside of the outer periphery of the door-side fixed rack 85 and the drive rotation member 76b provided partially in the front-rear direction of the vehicle. Even after the meshing with the tooth 86 is released, the position of the rotary arm 80 is held at the position where it abuts on the regulating member 81.

[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 the above-described embodiment, the plug door device applied to the double-drawing draw door composed of two sheets has been described as an example. However, the present invention is not limited to this example. The present invention may be applied to a door.

(2) In the above-described embodiment, the door drive mechanism has been described by taking an example in which the door drive mechanism is configured to include the rack and pinion mechanism. However, this need not be the case. Drive wheel member and driven wheel member configured as pulleys or sprockets, and an endless member configured as a belt, chain, wire, etc. hung around the drive wheel member and driven wheel member A door drive mechanism may be implemented.

(3) In the above-described embodiment, the mode in which the shaft portion is provided in the connecting 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) About the shape of a guide part, it may not be the shape illustrated by the above-mentioned 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.

(5) About a rotational force generation | occurrence | production part, you may change and implement not only the form illustrated by the above-mentioned embodiment. For example, the rotational force generator may include a belt member that circulates, and the belt member may be provided as a mechanism that circulates and rotates by frictional force while contacting the door. Thus, you may implement the rotational force generation | occurrence | production part which generates a rotational force by contacting a door and acquiring door opening / closing force.

  In the above case, the guide curved surface portion of the guide curved surface member is configured to abut against the belt member of the rotational force generating portion. The driven rotating member is rotatably supported with respect to the rotating arm on the inner side of the belt member, and is disposed so as to sandwich the belt member with the guide curved surface member. As a result, the rotational force of the belt member as the rotational force generating portion is transmitted to the driven rotational member, and rotates around the belt member that rotates while making contact with the curved surface portion and generating a frictional force. Along with this, the driven rotating member moves along the guide curved surface portion.

(6) You may implement the rotation arm mechanism provided with the rotational force generation part comprised by providing the door side fixed rack and the toothed belt which meshes | engages with a door side fixed rack. FIG. 17 is a plan view showing a rotating arm mechanism 92 according to a modification. The rotating arm mechanism 92 shown in FIG. 17 is provided with a rotational force generator 93 that includes a door-side fixed rack 85, a double-sided toothed belt 94, and a drive rotating member 76b. In FIG. 17, elements similar to those in the above-described embodiment are denoted by the same reference numerals in the drawing and description thereof is omitted.

  The double-sided toothed belt 94 is provided as an endless belt member, and teeth are provided on the inner peripheral surface and the outer peripheral surface. Inside the double-sided toothed belt 94, a drive rotation member 76b and a driven rotation member 77 that are rotatably supported by the rotation arm 80 are disposed. The double-sided toothed belt 94 is engaged with the teeth on the outer periphery of the drive rotating member 76 b and the teeth on the outer periphery of the driven rotating member 77 on the teeth on the inner peripheral surface, and the drive rotating member 76 b and the driven rotating member 77. It is hung so as to go around.

  Further, the double-sided toothed belt 94 is installed so that the teeth provided on the outer peripheral surface mesh with the door-side fixed rack 85 and also mesh with the external teeth formed on the guide curved surface portion 78a. Accordingly, as the door moves, the double-sided toothed belt 94 rotates so as to circulate while meshing with the door-side fixed rack 85, and the drive rotary member 76b and the driven rotary member 77 that mesh with the double-sided toothed belt 94 on the inside also. Rotate. Then, the driven rotating portion 77 moves along the guide curved surface portion 78a with the rotation of the double-sided toothed belt 94 that rotates while meshing with the external teeth of the guide curved surface portion 78a and the rotation of the driven rotating member 77. become. Thereby, the rotation arm 80 rotates. In this modified example, as described above, the drive rotating member 76b and the driven rotating member 77 are engaged with the inner peripheral surface of the double-sided toothed belt 94, and the objects to be engaged are different from those of the above-described embodiment. Further, the double-sided toothed belt 94 of the rotational force generating portion 93 is in contact with the guide curved surface portion 78 a of the guide curved surface member 78.

(7) You may implement the form provided with the mechanism which expands / contracts in the case of rotation operation as a rotation arm. Moreover, you may implement the form provided with the guide curved surface member provided with the guide curved surface part which moves a driven rotation member along the curved surface formed so that a curvature radius may change. In the case of these forms, it is possible to realize a structure capable of further downsizing the arrangement space of the rotating arm mechanism when the door is in the closed position.

  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.

3 Plug door device 51 Fixed base 52 Slide base 53 Door drive mechanism 54, 54a, 54b Shaft part 55, 55a, 55b Guide part 59, 59a, 59b Connecting part 75, 75a, 75b Rotating arm mechanism 76 Rotating force generating part 77 Followed Rotating member 78 Guide curved surface member 78a Guide curved surface portion 79 Door side support portion 80 Rotating arm 81 Restricting member 106 Entrance / exit 108, 109 Door

Claims (3)

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 door drive mechanism that is installed on the slide base and moves the door in the front-rear direction of the vehicle via a connecting portion;
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;
A rotating arm that rotates based on a door opening / closing force that is a force in a moving direction of the door that moves in the opening / closing direction in accordance with the opening / closing operation of the door, and assists the plug operation of the door. A rotating arm mechanism for guiding the door in the width direction of the vehicle;
With
The rotating arm mechanism is
A rotational force generator that generates rotational force by acquiring the door opening / closing force from the door;
A driven rotating member that rotates when the rotational force generated by the rotational force generating unit is transmitted;
A guide curved surface member provided with a guide curved surface portion that abuts on the driven rotation member or the rotational force generation portion and moves the driven rotation member along an arcuate curved surface with the rotation of the driven rotation member;
One of the doors is provided on the door side with respect to the rotational force generator, and contacts a part of the door on the side opposite to the side where the rotational force generator is disposed in the width direction of the vehicle. A door-side support part for supporting the part,
The rotating arm provided rotatably with respect to the guide curved surface member, and holding the rotational force generating portion and the driven rotating member;
A regulating member that is provided on an opening direction side that is a direction in which the door opens with respect to the rotating arm, and that restricts a rotation range of the rotating arm by contacting the rotating arm when the door is opened; ,
A plug door device characterized by comprising: The plug door device according to claim 1,
The rotational force generation unit includes a driving force acquisition unit that acquires the door opening / closing force as a driving force from the door, and a driving rotation member that rotates by the driving force acquired by the driving force acquisition unit and generates a rotational force. And a plug door device. The plug door device according to claim 2,
The rotating arm mechanism further includes an arm biasing spring capable of biasing the rotating arm so as to hold the position of the rotating arm at a position in contact with the regulating member.
The drive force acquisition unit includes a door-side fixed rack fixed to the door, and external teeth that are provided on the outer periphery of the drive rotation member and mesh with the door-side fixed rack,
The said door side fixed rack is partially provided in the front-back direction of the said vehicle in the said door, The plug door apparatus characterized by the above-mentioned.

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