EP2503087B1 - Türaufhängungsvorrichtung und türvorrichtung damit - Google Patents

Türaufhängungsvorrichtung und türvorrichtung damit Download PDF

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Publication number
EP2503087B1
EP2503087B1 EP10831423.8A EP10831423A EP2503087B1 EP 2503087 B1 EP2503087 B1 EP 2503087B1 EP 10831423 A EP10831423 A EP 10831423A EP 2503087 B1 EP2503087 B1 EP 2503087B1
Authority
EP
European Patent Office
Prior art keywords
door
roller
door roller
trailing end
leading end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10831423.8A
Other languages
English (en)
French (fr)
Other versions
EP2503087A4 (de
EP2503087A1 (de
Inventor
Kazutama Takahashi
Katsuji Kawasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nabtesco Corp
Original Assignee
Nabtesco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nabtesco Corp filed Critical Nabtesco Corp
Publication of EP2503087A1 publication Critical patent/EP2503087A1/de
Publication of EP2503087A4 publication Critical patent/EP2503087A4/de
Application granted granted Critical
Publication of EP2503087B1 publication Critical patent/EP2503087B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F7/00—Accessories for wings not provided for in other groups of this subclass
    • E05F7/04—Arrangements affording protection against rattling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/606—Accessories therefor
    • E05Y2201/61—Cooperation between suspension or transmission members
    • E05Y2201/612—Cooperation between suspension or transmission members between carriers and rails
    • E05Y2201/614—Anti-derailing means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Definitions

  • the present invention relates to a door hanging apparatus that supports a door provided in a structure and driven to be opened and closed by an open-close drive mechanism, in a state in which the door is suspended to the structure so as to be slidably moved, and that is connected to the open-close drive mechanism, and a door apparatus provided with the door hanging apparatus.
  • Patent Document 1 discloses a door hanging apparatus including a rail member including an upper rail and a lower rail, and a door roller device including door rollers that run on the rail member.
  • Patent Document 1 a door that is suspended to the door hanging apparatus is driven to be opened and closed by an open-close drive mechanism connected to the door hanging apparatus, and the door is supported in a state of being suspended to the structure, which is a side wall of the railroad vehicle, so as to be slidably moved.
  • the door roller device of the above-described door hanging apparatus is provided with a supporting member disposed along the lengthwise direction of the rail member, and this supporting member is provided with a first door roller capable of running on the lower rail and a second door roller capable of running on the upper rail.
  • the second door roller is provided at one end of the supporting member, and a suspender capable of suspending the door is provided on the other end of the supporting member. Accordingly, the self weight of the door acts on the suspender, the second door roller comes into contact with the upper rail with the first door roller, which runs on the lower rail, serving as a fulcrum, and thereby, the door is supported. Accordingly, it is possible to provide a door hanging apparatus that can prevent the derailing of doors from a rail member, enable smooth and safe opening and closing of doors, and achieve a reduction in manufacturing and installation costs.
  • Patent Document 1 WO2008/149632
  • WO 2005/028794 A1 discloses a guiding system for a sliding door, especially a motor vehicle, comprising a sliding rail with an upper cover and a lower edge arranged opposite the upper cover, and a roller element which is guided in the sliding rail and comprises a roller element housing.
  • Three rollers are rotatably fixed to the roller element housing, two rollers extending along the upper cover of the sliding rail and the third roller (extending along the lower edge.
  • the aim of the invention is to create one such guiding system in such a way that there is no play, it operates quietly, and has a taut system characteristic.
  • a spring element is fixed to the roller element housing, said spring element pressing on of the first two rollers and the third roller against the sliding rail.
  • a mechanism that prevents the derailing of the door rollers from the rail by causing the self weight of the door to exert the load for pressing the second door roller against the upper rail with the first door roller running on the lower rail as a fulcrum, and therefore, it is also possible to prevent the tilting of the door.
  • the second door roller runs on the upper rail while being constantly pressed against the upper rail at a certain degree of contact pressure due to the load acting with the first door roller as a fulcrum, exerted by the self weight of the door.
  • a specific running resistance is generated in the derailing prevention mechanism, which results in a reduction in the driving efficiency of the open-close drive mechanism when driving the doors to be opened and closed. Further, the generation of running resistance may promote wear of the door rollers.
  • a door hanging apparatus of a first aspect of the present invention for achieving the above-described objects relates to a door hanging apparatus according to claim 1 of the present application.
  • the first door roller supported to the first door roller supporting member that suspends the door runs on the lower rail, and the second door roller supported to the swing members that are swingably connected to the first door roller supporting member are disposed so as to be capable of coming into contact with the upper rail. Accordingly, the first door roller and the second door roller that are disposed between the upper and lower rails and run thereon constitute a derailing prevention mechanism, and therefore, it is possible to reliably prevent the derailing of the door rollers and the tilting of the door when the door is opened and closed.
  • the elastic connection mechanism that connects the drive connection portion for connecting the door to the open-close drive mechanism and the swing members includes an elastic portion, and the elastic connection mechanism is provided so as to be capable of changing the relative position between the second door roller and the drive connection portion by elastic deformation. Accordingly, at the time of acceleration when the door is driven to be opened and closed, the elastic connection mechanism and the swing members are relatively displaced with respect to the door by the elastic deformation of the elastic portion, and the contact pressure exerted on the upper rail from the second door roller is temporarily increased. However, the elastic deformation of the elastic portion is immediately restored when the velocity is constant, and consequently, the distance relationship between the upper rail and the second door roller is brought back to the original state.
  • the elastic connection mechanism and the swing members are relatively displaced with respect to the door by elastic deformation of the elastic portion, and the position of the second door roller with respect to the upper rail is positioned in a suitable position according to the above-described load.
  • the second door roller is disposed in light contact with the upper rail or disposed so as to provide a gap within a predetermined range, and thereby, it is possible to set a state in which little running resistance is generated in a derailing prevention mechanism when the door rollers are running on the rail. Also, at the time of the acceleration/deceleration of the door or the collision with a foreign object, the door rollers can be positioned in suitable positions according to the load, and the derailing of the door rollers and the tilting of the door can be reliably prevented.
  • the gap within a predetermined range refers to a gap within a range that can secure a riding width, which is a vertical spacing (width) between the lower end portion of the upper rail and the upper end portion of the second door roller in a state in which the lower end portion of the upper rail and the upper end portion of the second door roller are disposed overlapping each other in the horizontal direction.
  • the positional adjustment of the second door roller namely, the degree to which the second door roller is in contact with the upper rail or the amount of the gap provided within a predetermined range, has little impact on the above-described derailing prevention performance. Accordingly, the positional adjustment requires little time and effort at the time of installing the door hanging apparatus of the present invention, and the installation operation can be performed easily.
  • a door hanging apparatus that can reliably prevent the derailing of door rollers and the tilting of doors when the doors are opened and closed, while having little running resistance caused by a derailing prevention mechanism.
  • the second door roller is provided on both a door leading end side, which is the side on which the end of the door in a closing direction is located, and a door trailing end side, which is the side on which the end of the door in an opening direction is located, with respect to the elastic connection mechanism.
  • the second door roller is provided on both the door leading end side and the door trailing end side with respect to the elastic connection mechanism. Accordingly, both during the opening driving and the closing driving of the door, the position of the second door roller with respect to the upper rail can be positioned in a suitable position via operation of the elastic connection mechanism at the time of acceleration/deceleration or when a foreign object has collided with the end of the door. Accordingly, it is possible to achieve a door hanging apparatus that can reliably prevent the derailing of the door rollers and the tilting of the door, while having little running resistance caused by a derailing prevention mechanism, both during the opening driving and the closing driving of the door.
  • a door leading end-side swing member that is connected to the first door roller supporting member on the door leading end side and a door trailing end-side swing member that is connected to the first door roller supporting member on the door trailing end side are provided as the swing members
  • the elastic connection mechanism includes a swingable connection member that is connected to the drive connection portion via the elastic portion such that a relative position thereof with respect to the drive connection portion can be changed and to which the door leading end-side swing member and the door trailing end-side swing member are rotatably connected at opposite ends, respectively, and the first door roller supporting member, the door leading end-side swing member, the swingable connection member, and the door trailing end-side swing member, which are provided as four links, forms a quadrangular link mechanism.
  • the door leading end-side and door trailing end-side swing members are respectively connected to opposite sides of the first door roller supporting member that supports the first door roller, and the swingable connection member of the elastic connection mechanism is further connected thereto so as to connect the two swing members, thus constituting a quadrangular link mechanism having fours links. Accordingly, it is possible to construct, with a quadrangular link mechanism, a structure with a simple configuration that can position the position of the second door roller with respect to the upper rail in a suitable position via operation of the elastic connection mechanism in response to acceleration/deceleration of the door and the collision with a foreign object.
  • the second door roller is rotatably supported to the door leading end-side swing member, and a connection position between the swingable connection member and the door leading end-side swing member is disposed on a side of the second door roller with respect to a connection position between the door leading end-side swing member and the first door roller supporting member.
  • connection position with the swingable connection member is disposed on the side of the second door roller with respect to the connection position with the first door roller supporting member. Accordingly, when the connection position with the swingable connection member is disposed in a position closer to the connection position with the first door roller supporting member, the response performance of the second door roller via the door leading end-side swing member via operation of the elastic connection mechanism can be set to be faster, which makes it possible to more quickly position the second door roller in a suitable position.
  • connection position with the swingable connection member when the connection position with the swingable connection member is disposed in a position farther away from the connection position with the first door roller supporting member, a greater force can be easily secured as the force exerted on the upper rail from the second door roller via the door leading end-side swing member via operation of the elastic connection mechanism. Consequently, by simply changing the connection position with the swingable connection member with respect to the connection position with the first door roller supporting member for the door leading end-side swing member, it is possible to easily adjust the setting of the response performance of the second door roller via operation of the elastic connection mechanism and the setting of the force exerted on the upper rail from the second door roller.
  • the swingable connection member and the door leading end-side swing member are connected coaxially with an axle via which the second door roller is rotatably supported to the door leading end-side swing member.
  • the swingable connection member and the door leading end-side swing member are rotatably connected coaxially with the axle of the second door roller, and therefore, the same shaft can be used as the axle of the second door roller and the rotational shaft of the swingable connection member and the door leading end-side swing member. Accordingly, it is possible to reduce the number of members, which makes is possible to further increase the compactness of the structure.
  • the second door roller is rotatably supported to the door trailing end-side swing member, and a connection position between the swingable connection member and the door trailing end-side swing member is disposed on a side of the second door roller with respect to a connection position between the door trailing end-side swing member and the first door roller supporting member.
  • connection position with the swingable connection member is disposed on the side of the second door roller with respect to the connection position with the first door roller supporting member. Accordingly, when the connection position with the swingable connection member is disposed in a position closer to the connection position with the first door roller supporting member, the response performance of the second door roller via the door trailing end-side swing member via operation of the elastic connection mechanism can be set to be faster, which makes it possible to more quickly position the second door roller in a suitable position.
  • connection position with the swingable connection member when the connection position with the swingable connection member is disposed in a position farther away from the connection position with the first door roller supporting member, a greater force can be easily secured as the force exerted on the upper rail from the second door roller via the door trailing end-side swing member via operation of the elastic connection mechanism. Consequently, by simply changing the connection position with the swingable connection member with respect to the connection position with the first door roller supporting member for the door trailing end-side swing member, it is possible to easily adjust the setting of the response performance of the second door roller via operation of the elastic connection mechanism and the setting of the force exerted on the upper rail from the second door roller.
  • the swingable connection member and the door trailing end-side swing member are connected coaxially with an axle via which the second door roller is rotatably supported to the door trailing end-side swing member.
  • the swingable connection member and the door trailing end-side swing member are rotatably connected coaxially with the axle of the second door roller, and therefore, the same shaft can be used as the axle of the second door roller and the rotational shaft of the swingable connection member and the door trailing end-side swing member. Accordingly, it is possible to reduce the number of members, which makes is possible to further increase the compactness of the structure.
  • the swingable connection member is disposed passing through the drive connection portion
  • the elastic portion is provided as a pair of spring members disposed so as to bias the drive connection portion in opposite directions from opposite sides in a passing-through direction in which the swingable connection member passes through the drive connection portion, and the respective ends of the pair of spring members that are opposite to the ends thereof that bias the drive connection portion are supported to the swingable connection member.
  • the respective ends of the pair of spring members are supported to the swingable connection member and the drive connection portion is biased by the pair of spring members in opposite directions, and thereby the elastic connection mechanism can be easily constructed with a simple structure.
  • the pair of spring members that apply biasing forces in opposite directions may be provided as tension springs that apply biasing forces in directions in which they pull against each other via the drive connection portion, or may be provided as compression springs that apply biasing forces in directions in which they press against each other via the drive connection portion.
  • a door apparatus including: the door hanging apparatus of any of the first to eighth aspects of the present invention; a door that is provided in a structure and is supported by the door hanging apparatus in a state of being suspended to the structure so as to be slidably moved; and an open-close drive mechanism that is connected to the door hanging apparatus and drives the door to be opened and closed.
  • a door hanging apparatus that can reliably prevent the derailing of door rollers and the tilting of doors when the doors are opened and closed, while having little running resistance caused by a derailing prevention mechanism, and a door apparatus provided with the door hanging apparatus.
  • the present invention is applicable as a door hanging apparatus that supports a door provided in a structure and driven to be opened and closed by an open-close drive mechanism, in a state in which the door is suspended to the structure so as to be slidably moved, and that is connected to the open-close drive mechanism, and as a door apparatus including the door hanging apparatus.
  • this embodiment will be described, taking, as an example, a door hanging apparatus and a door apparatus that are used in a railroad vehicle, the present invention is not limited to this example and is widely applicable as a door hanging apparatus and a door apparatus that can be provided in a variety of structures.
  • FIG. 1 is a front view showing a door apparatus 2 according to one embodiment of the present invention.
  • the door apparatus 2 shown in FIG. 1 can be used, for example, for a side wall of a railroad vehicle as a structure.
  • FIG. 1 shows a front view of the door apparatus 2, as viewed from the inside of the railroad vehicle.
  • illustration of the side wall of the railroad vehicle is omitted in FIG. 1 , and the door apparatus 2 is schematically illustrated.
  • the door apparatus 2 includes door hanging apparatuses 1 according to one embodiment of the present invention, doors 11 (partly shown in FIG. 1 ), an open-close drive mechanism 12, and so forth.
  • the doors 11 are formed as sliding doors provided at a side wall of a railroad vehicle (hereinafter, referred to as a "structure"), are installed along the vertical direction, and constitute side doors provided in the railroad vehicle for loading and unloading of passengers.
  • a railroad vehicle hereinafter, referred to as a "structure"
  • two doors namely, door 11a and a door 11b, are provided as the doors 11.
  • the doors 11 (11a, 11b) are supported by the door hanging apparatuses 1, which will be described below, in a state in which it is suspended to the structure so as to be slidably moved.
  • rails 13 of the door hanging apparatuses 1 are fixed to the structure in a state in which they are disposed extending linearly in the horizontal direction.
  • the door 11a and the door 11b are supported by door roller mechanisms 14, which will be described below, of the respective door hanging apparatuses 1 at their upper ends, and are configured to be closed by approaching each other along the rail 13 and coming into contact and to be opened by moving away from each other.
  • the open-close drive mechanism 12 is installed in the structure, and is provided as a mechanism that is connected to the door hanging apparatuses 1 and that drives the doors 11 (11a, 11b) to be opened and closed.
  • the open-close drive mechanism 12 shown in FIG. 1 includes, for example, a drive motor (not shown), a drive pulley 15, a driven pulley 16, and a belt 17.
  • the belt 17 is configured as an endless belt that is wound around the drive pulley 15 and the driven pulley 16 in a freely rotatable manner. Rotation of the drive pulley 15 connected to the drive motor causes the belt 17 wound around the drive pulley 15 to be rotated, thus causing the driven pulley 16 to rotate together with the belt 17.
  • the drive motor is controlled to be rotated by a predetermined amount in forward and reverse directions, in accordance with a command from a controller, which is not shown. Accordingly, the doors 11 (11a, 11b) that are supported in a state in which they are suspended via the door hanging apparatuses 1 connected to the belt 17 of the open-close drive mechanism 12 are driven in the opening direction and the closing direction.
  • FIG. 1 shows the state of a fully closed position in which the two doors 11 (11a, 11b) are closed
  • FIG. 2 shows the state of a fully opened position in which the two doors 11 are opened.
  • door roller mechanisms (14a, 14b), which will be described below, of the door hanging apparatuses 1 are moved in directions away from each other, and the state of the two doors 11 (11a, 11b) is shifted to the state of the fully opened position shown in FIG. 2 .
  • the open-close drive mechanism 12 such that the belt 17 is rotated in the direction indicated by the arrow B shown in FIG. 2
  • the door roller mechanisms (14a, 14b) are moved in directions approaching each other, and the state of the two doors 11 (11a, 11b) is shifted to the state of the fully closed position shown in FIG. 1 .
  • a door hanging apparatus 1 includes a rail 13 and door roller mechanisms 14 (14a, 14b).
  • FIG. 3 is a cross-sectional view of the rail 13, as viewed from the position of the arrows C-C in FIG. 2 .
  • the rail 13 shown in FIGS. 1 to 3 is fixed to the structure and includes an upper rail 13a and a lower rail 13b that are respectively provided with vertically opposed running surfaces (18a, 18b).
  • the upper rail 13a and the lower rail 13b extend linearly in the horizontal direction, and are formed integrally via a bridging portion 13c of the rail 13.
  • the cross section of the running surface 18a of the upper rail 13a is formed so as to bulge downward in an arc shape
  • the cross section of the running surface 18b of the lower rail 13b is formed so as to bulge upward in an arc shape and opposing the running surface 18a.
  • the configuration of the rail 13 shown in FIGS. 1 to FIG. 3 is an example, and various modifications can be made to the cross-sectional shape of the rail 13.
  • the cross section may be formed so as to be recessed in an arc shape.
  • the upper rail 13a and the lower rail 13b do not need to be integrally formed. That is, the upper rail 13a and the lower rail 13b may be formed and disposed separately, or may be formed as separate parts and coupled to each other via another member.
  • the door roller mechanisms 14 (14a, 14b) are provided in one-to-one correspondence with the doors (11a, 11b), and are each connected to the belt 17 of the open-close drive mechanism 12. Also, the door roller mechanism 14a supports the door 11a in a state in which the door 11a is suspended to the structure so as to be slidably moved, and the door roller mechanism 14b supports the door 11b in a state in which the door 11b is suspended to the structure so as to be slidably moved.
  • FIG. 4 is a front view showing the door roller mechanism 14a shown in FIG. 1 , showing, in enlargement, a part of FIG. 1 in a cutaway state.
  • the door roller mechanism 14a includes a plurality of first door rollers (19, 20), a first door roller supporting member 21, a plurality of swing members (22, 23), a plurality of second door rollers (24, 25), a drive connection portion 26, an elastic connection mechanism 27, a hanger 28, and so forth.
  • the door roller mechanism 14a which is disposed on the driven pulley 16 side and connected to the door 11a, is shown in FIG. 4 .
  • the door roller mechanism 14b which is disposed on the drive pulley 15 side and connected to the door 11b, is configured in the same manner, except that its devices are arranged line-symmetric about the intermediate position between the two doors 11 with respect to the devices of the door roller mechanism 14a and that the drive connection portion 26 has a different length. Therefore, only the door roller mechanism 14a will be described in the following.
  • FIG. 5 is a cross-sectional view of the rail 13, as viewed from the position of the arrows D-D in FIG. 4 , and shows the first door rollers 19 and the second door rollers 24 together. Note that illustration of the elements other than the rail 13, the first door rollers 19 and the second door rollers 24 is omitted in FIG. 5 . As shown in FIGS. 4 and 5 , the first door rollers (19, 20) are provided as door rollers that run in contact with the running surface 18b of the lower rail 13b.
  • first door rollers (19, 20) are disposed in positions that are substantially line-symmetric about an imaginary center line (hereinafter, referred to as the "center line of the door roller mechanism 14a") extending vertically through the central position of the door roller mechanism 14a in a direction parallel to the lengthwise direction of the rail 13.
  • center line of the door roller mechanism 14a an imaginary center line
  • Door trailing end-side first door rollers 19 and door leading end-side first door rollers 20 are provided as the first door rollers (19, 20).
  • the door trailing end-side first door rollers 19 (19a, 19b) are disposed on a door trailing end side, which is the side on which the end of the door in an opening direction (the direction indicated by the arrow E in FIG. 4 ) is located, with respect to the center line of the door roller mechanism 14a.
  • a plurality of (in this embodiment, two) door trailing end-side first door rollers 19 are provided, and a door trailing end-side first door roller 19b and a door trailing end-side first door roller 19a are arranged in order from the center line of the door roller mechanism 14a toward the door trailing end side.
  • the door leading end-side first door rollers 20 (20a, 20b) are disposed on a door leading end side, which is the side on which the end of the door in the closing direction (the direction indicated by the arrow F in FIG. 4 ) is located, with respect to the center line of the door roller mechanism 14a.
  • a plurality of (in this embodiment, two) door leading end-side first door rollers 20 are provided, and a door leading end-side first door roller 20a and a door leading end-side first door roller 20b are arranged in order from the center line of the door roller mechanism 14a toward the door leading end side.
  • the cross section of the first door rollers (19a, 19b, 20a, 20b) that is perpendicular to the door roller circumferential direction of the rolling surface that rolls on the running surface 18b of the lower rail 13b when the first door rollers run on the lower rail 13b is formed so as to be recessed in an arc shape in conformity with the running surface 18b (see FIG. 5 ).
  • this embodiment has been described, taking, as an example, a door roller mechanism 14a provided with a plurality of door trailing end-side first door rollers 19 and a plurality of door leading end-side first door roller 20, this need not be the case. It is also possible to adopt a configuration in which a door trailing end-side first door roller 19 and a door leading end-side first door roller 20 are provided.
  • the first door roller supporting member 21 is provided as a member that suspends the door 11a via the hanger 28 and rotatably supports the first door rollers (19, 20).
  • this embodiment describes, as an example, a first door roller supporting member 21 including a member that supports the door trailing end-side first door rollers (19a, 19b), a member that supports the door leading end-side first door rollers (20a, 20b), and a member that fixes these two members at both ends and couples them integrally, and thereby all the members are coupled together to form a single shaft.
  • the first door roller supporting member 21 is disposed parallel to the lengthwise direction of the rail 13.
  • the door trailing end-side first door roller 19a is rotatably supported via an axle 31a
  • the door trailing end-side first door roller 19b is rotatably supported via an axle 31b
  • the door leading end-side first door roller 20b is rotatably supported via an axle 32b
  • the door leading end-side first door roller 20a is rotatably supported via an axle 32a.
  • the hanger 28 is provided as a mechanism for suspending the door 11a to the first door roller supporting member 21.
  • the hanger 28 includes a door coupling member 28a that is coupled and fixed to the upper end of the door 11a, and attachment members (28b, 28c) that are fixed above the door coupling member 28a and are attached to the first door roller supporting member 21.
  • the attachment members (28b, 28c) are attached to the first door roller supporting member 21 in opposite positions across the center line of the door roller mechanism 14a. Further, the attachment members (28b, 28c) are pivotably attached to the first door roller supporting member 21 via a hinge portion, in a state in which their relative movements with respect to each other in a direction parallel to the lengthwise direction of the rail 13 are restricted.
  • the hanger 28 causes the door 11a to move horizontally together with the first door roller supporting member 21 in a state in which the door 11a is swingably supported to the first door roller supporting member 21.
  • a plurality of (in this embodiment, two) swing members (22, 23) are provided, and each of the swing members is formed as a shaft-like member and swingably connected to the first door roller supporting member 21.
  • a door trailing end-side swing member 22 connected to the first door roller supporting member 21 on the door trailing end side and a door leading end-side swing member 23 connected to the first door roller supporting member 21 on the door leading end side are provided as the swing members (22, 23).
  • the door trailing end-side swing member 22 is rotatably connected, at one end thereof, to the door trailing end-side end of the first door roller supporting member 21, coaxially with the axle 31a.
  • the door leading end-side swing member 23 is rotatably connected, at one end thereof, to the door leading end-side end of the first door roller supporting member 21, coaxially with the axle 32b.
  • the door trailing end-side swing member 22 may be rotatably connected to the first door roller supporting member 21 via a rotational shaft disposed parallel to the axles (31a, 31b) between a plurality of door trailing end-side first door rollers (19a, 19b).
  • the door leading end-side swing member 23 may be rotatably connected to the first door roller supporting member 21 via a rotational shaft disposed parallel to the axles (32a, 32b) between a plurality of door leading end-side first door rollers (20a, 20b).
  • the second door rollers (24, 25) are provided as door rollers that are rotatably supported to the swing members (22, 23) and disposed so as to be capable of coming into contact with the upper rail 13a. Also, the second door rollers (24, 25) are disposed in positions that are substantially line-symmetric about the center line of the door roller mechanism 14a, and are provided on both the door trailing end side and the door leading end side with respect to an elastic connection mechanism 27, which will be described below.
  • a door trailing end-side second door roller 24 disposed on the door trailing end side with respect to the center line of the door roller mechanism 14a and a door leading end-side second door roller 25 disposed on the door leading end side with respect to the center line of the door roller mechanism 14a are provided as the second door rollers (24, 25).
  • the door trailing end-side second door roller 24 is rotatably supported via the axle 33a to the door trailing end-side swing member 22 at the other end of the door trailing end-side swing member 22, which is opposite to an end thereof connected to the first door roller supporting member 21.
  • the door leading end-side second door roller 25 is rotatably supported via the axle 33b to the door leading end-side swing member 23 at the other end of the door leading end-side swing member 23, which is opposite to an end thereof connected to the first door roller supporting member 21.
  • the door trailing end-side second door roller 24 is disposed further toward the door trailing end side than the door trailing end-side first door roller 19a, which is the first door roller that is disposed closest to the door trailing end side in the door roller mechanism 14a.
  • the door leading end-side second door roller 25 is disposed further toward the door leading end side than the door leading end-side first door roller 20b, which is the first door roller disposed closest to the door leading end side in the door roller mechanism 14a.
  • the second door rollers (24, 25) are disposed via a slight gap from, or disposed in slight contact with the running surface 18a of the upper rail 13a on the upper end side thereof, in a state in which the first door rollers (19, 20) are not running on the lower rail 13b (i.e., in a state in which the first door roller mechanism 14a is stationary with respect to the structure).
  • the cross section of the second door rollers (24, 25) that is perpendicular to the door roller circumferential direction of the rolling surface that rolls on the running surface 18a of the upper rail 13a when the door roller mechanism 14a is moved horizontally along the rail 13 is formed so as to be recessed in an arc shape in conformity with the running surface 18a.
  • FIGS. 6 are enlarged views showing the cross section of a side face of a second door roller 24 and the rail 13.
  • FIG. 6(a) is a diagram showing a state in which the second door roller 24 is disposed via a slight gap from the upper rail 13a or disposed in a position where it is in light contact with the upper rail 13a (the state according to this embodiment)
  • FIG. 6(b) is a diagram showing a state in which the second door roller 24 is disposed via a gap within an predetermined range from the rail 13a.
  • the riding width which is the vertical spacing (width) between the lower end portion of the upper rail 13a and the upper end portion of the second door roller 24 in a state in which the lower end portion of the upper rail 13a and the upper end portion of the second door roller 24 are disposed overlapping each other in the horizontal direction, is the width dimension indicated by the double-ended arrow G1 in the drawing. That is, it is the width dimension between the lower end portion of the running surface 18a and a portion of the second door roller 24 that is located at the upper end of both edges 24b of the rolling surface 24a.
  • the running surface 18a of the upper rail 13a and the rolling surface 24a of the second door roller 24 oppose each other via a gap having a dimension indicated by the double-ended arrow H in the drawing.
  • the second door roller 24 is disposed such that the height position of a portion located at the upper end of the both edges 24b of the second door roller 24 is located above the height position (the position in the vertical direction) of the lower end portion of the running surface 18a opposing the central portion of the rolling surface 24a via a gap having a predetermined size.
  • a riding width having the width dimension indicated by the double-ended arrow G2 in the drawing is secured as the riding width between the upper rail 13a and the second door roller 24.
  • the second door roller (24, 25) may be disposed via a gap within a predetermined range, which is the range in which a riding width can be secured, from the upper rail 13a.
  • the drive connection portion 26 is provided as a member for holding and connecting the door 11a to the open-close drive mechanism 12.
  • the drive connection portion 26 is fixed to the belt 17 at its end on the upper end side, and is connected to an elastic connection mechanism 27, which will be described below, on the lower end side. Thereby, the drive connection portion 26 holds and connects the door 11a to the belt 17 via the elastic connection mechanism 27, the swing members (22, 23), the first door roller supporting member 21, and the hanger 28.
  • a through hole extending parallel to the lengthwise direction of the rail 13 is formed in the end of the drive connection portion 26 on the lower end side, and the central part of the first door roller supporting member 21 is disposed passing through the through hole in a state in which it is loosely fitted so as to be swingable and pivotable. Accordingly, when the first door roller supporting member 21 is relatively displaced with respect to the drive connection portion 26, the direction of relative displacement of the first door roller supporting member 21 can be restricted so as to be guided in a direction parallel to the direction of movement of the drive connection portion 26. Thereby, the movement of the door 11a, which is connected to the first door roller supporting member 21 via the hanger 28, can be further restricted to a sliding movement in a plane parallel to the plane in which the upper and lower rails (13a, 13b) are disposed.
  • the elastic connection mechanism 27 is provided as a mechanism for elastically connecting the swing members (22, 23) to the drive connection portion 26, and includes a pair of spring members (30a, 30b) and a swingable connection member 29.
  • the pair of spring members (30a, 30b) constitute an elastic portion of this embodiment that is capable of changing the relative position between the second door rollers (24, 25) and the drive connection portion 26 by elastic deformation.
  • the pair of spring members (30a, 30b) are provided as coil springs, and are disposed on opposite sides in a direction along the lengthwise direction of the rail 13 with respect to the drive connection portion 26. Note that the spring member 30a is disposed on the door trailing end side with respect to the drive connection portion 26, and the spring member 30b is disposed on the door leading end side with respect to the drive connection portion 26.
  • the swingable connection member 29 is provided as a shaft-like member that is connected to the drive connection portion 26 via the pair of spring members (30a, 30b) such that its relative position with respect to the drive connection portion 26 can be changed.
  • An end of the door trailing end-side swing member 22 and an end of the door leading end-side swing member 23 are rotatably connected respectively at opposite ends of the swingable connection member 29.
  • the swingable connection member 29 is disposed passing through the through hole that is formed in the drive connection portion 26 so as to extend parallel to the lengthwise direction of the rail 13, and the swingable connection member 29 passes through the inside of the spring members (30a, 30b), which are provided as coil springs, on opposite sides of the drive connection portion 26.
  • the swingable connection member 29 is disposed slidably passing through the through hole of the drive connection portion 26 in a state in which it is freely fitted so as to allow a predetermined tilting.
  • the pair of spring members (30a, 30b) are disposed so as to bias the drive connection portion 26 in opposite directions from opposite sides in a passing-through direction, in which the swingable connection member 29 passes through the drive connection portion 26.
  • the ends of the spring members (30a, 30b) that are opposite to the ends that bias the drive connection portion 26 are respectively supported to collar portions (29a, 29b) that are formed in the swingable connection member 29 and disposed on opposite sides of the drive connection portion 26.
  • the spring members (30a, 30b) may be provided as tension springs that apply biasing forces in directions in which they pull against each other via the drive connection portion 26, or may be provided as compression springs that apply biasing forces in directions in which they press against each other via the drive connection portion 26.
  • the spring members (30a, 30b) are provided as tension springs, opposite ends of each of the spring members (30a, 30b) need to be fixed to the drive connection portion 26 and the collar portions (29a, 29b).
  • opposite ends of each of the spring members (30a, 30b) may be either fixedly supported to or supported in contact with the drive connection portion 26 and the collar portions (29a, 29b).
  • connection position between the swingable connection member 29 and the door trailing end-side swing member 22 are disposed on the side of the second door roller 24 supported to the door trailing end side swing member 22 with respect to the connection position between the door trailing end side swing member 22 and the first door roller supporting member 21.
  • the swingable connection member 29 and the door trailing end-side swing member 22 are rotatably connected coaxially with the axle 33a via which the second door roller 24 is rotatably supported to the door trailing end-side swing member 22.
  • connection position between the swingable connection member 29 and the door leading end-side swing member 23 is disposed on the side of the second door roller 25 supported to the door leading end-side swing member 23 with respect to the connection position between the door leading end-side swing member 23 and the first door roller supporting member 21.
  • the swingable connection member 29 and the door leading end-side swing member 23 are rotatably connected coaxially with the axle 33b via which the second door roller 25 is rotatably supported to the door leading end-side swing member 23.
  • the door trailing end-side swing member 22 is rotatably connected to the first door roller supporting member 21, the swingable connection member 29 is rotatably connected to the door trailing end-side swing member 22, the door leading end-side swing member 23 is rotatably connected to the swingable connection member 29, and the first door roller supporting member 21 is rotatably connected to the door leading end-side swing member 23.
  • the door roller mechanism 14a includes the first door roller supporting member 21, the door trailing end-side swing member 22, the swingable connection member 29, and the door leading end-side swing member 23, which are provided as four links, and these links constitute a quadrangular link mechanism.
  • the door roller mechanisms (14a, 14b) are moved in directions in which they move away from each other by the open-close drive mechanism 12 operating in the state shown in FIG. 1 , and thereby, the doors (11a, 11b) respectively suspended to the door roller mechanisms (14a, 14b) are opened as shown in FIG. 2 .
  • the door roller mechanisms (14a, 14b) are moved in directions in which they approach each other by the drive motor of the open-close drive mechanism 12 rotating in a direction opposite to the aforementioned opening operation in the state shown in FIG. 2 , and thereby the doors (11a, 11b) are closed as shown in FIG. 1 .
  • the door roller mechanism 14a and the door roller mechanism 14b respectively cause the door 11a and the door 11b to slidably move in the opening and closing direction along the lengthwise direction of the rail 13 via operation of the open-close drive mechanism 12.
  • the door roller mechanism 14a and the door roller mechanism 14b operate in the same manner in states line-symmetric about the intermediate position of the two doors 11, and therefore, only the operation of the door roller mechanism 14a will be described in the following.
  • FIG. 7 is a front view schematically showing the door roller mechanism 14a, together with part of the upper and lower rails (13a, 13b) and the door 11a, and schematically shows the first door roller supporting member 21, the door trailing end-side swing member 22, the swingable connection member 29, and the door leading end-side swing member 23 by the dashed line.
  • the relative positional state of the swingable connection member 29 and the swing members (22, 23) with respect to the door 11a is changed by elastic deformation of the pair of spring members (30a, 30b).
  • the directions of several forces acting on the door roller mechanism 14a when a foreign object has collided with the end of the door 11a on the door leading end side during the closing operation of the door 11a are indicated by the arrows (K1 to 6) in FIG. 7 .
  • forces in the same directions as the directions indicated by the arrows in FIG. 7 act on the door roller mechanism 14a during the acceleration operation, and therefore, the description thereof has been omitted.
  • forces in directions opposite to the directions indicated by the arrows shown in FIG. 7 act on the door roller mechanism 14a during the deceleration operation, and the forces simply act in states line-symmetric with the door roller mechanism 14a during the acceleration operation. Therefore, the description thereof has been omitted.
  • the door trailing end-side swing member 22 is displaced so as to swing in a direction (the direction indicated by the arrow K3 in the drawing) in which it swings upward, with the door trailing end-side first door roller 19a as the center. Furthermore, the door trailing end-side second door roller 24 is displaced upward (in the direction indicated by the arrow K4 in the drawing) and thus comes into contact with the upper rail 13a, which results in an increase in the contact pressure between the upper rail 13a and the second door roller 24.
  • the door trailing end-side second door roller 24 is displaced, and at the same time, the swingable connection member 29 is relatively displaced toward the door leading end side with respect to the drive connection portion 26 by elastic deformation of the pair of springs (30a, 30b).
  • the door leading end-side swing member 23 is displaced so as to swing in a direction (the direction indicated by the arrow K5 in the drawing) in which it swings downward, with the door leading end-side first door roller 19b as the center.
  • the door leading end-side second door roller 25 is displaced downward (in the direction indicated by the arrow K6 in the drawing) and thus is moved away from the upper rail 13b.
  • the pair of spring members (30a, 30b) elastically deform such that they deform in opposite directions to each other.
  • the four links (21, 22, 29, 23) are relatively displaced with respect to the door 11a by elastic deformation of the pair of spring members (30a, 30b).
  • the positions of the second door rollers (24, 25) with respect to the upper rail 13a are positioned in suitable positions according to the above-described load. Note that the amounts of displacement of the four links (21, 22, 29, 23) and the first and second door rollers (19, 20) described above are within a range that is allowable in the space between the upper and lower rails (13a, 13b).
  • the first door rollers (19, 20) and the second door rollers (24, 25) that are disposed between the upper and lower rails (13a, 13b) and run thereon constitute a derailing prevention mechanism, and therefore, it is possible to reliably prevent the derailing of the door rollers (19, 20, 24, 25) and the tilting of the doors 11 (11a, 11b) when the doors 11 (11a, 11b) are opened and closed.
  • the elastic connection mechanism 27 that connects the drive connection portion 26 for connecting the doors 11 (11a, 11b) to the open-close drive mechanism 12 and the swing members (22, 23) includes the pair of spring members (30a, 30b) serving as an elastic portion, and the elastic connection mechanism 27 is provided so as to be capable of changing the relative position between the second door rollers (24, 25) and the drive connection portion 26 by elastic deformation.
  • the swingable connection member 29 and the swing members (22, 23) are relatively displaced with respect to the doors 11 (11a, 11b) by the elastic deformation of the pair of spring members (30a, 30b), and the contact pressure exerted on the upper rail 13a from the second door rollers (24, 25) is temporarily increased.
  • the elastic deformation of the pair of spring members (30a, 30b) is immediately restored when the velocity is constant, and consequently, the distance relationship between the upper rail 13a and the second door rollers (24, 25) is brought back to the original state.
  • the swingable connection member 29 and the swing members (22, 23) are relatively displaced with respect to the doors 11 (11a, 11b) by elastic deformation of the pair of spring members (30a, 30b), and the positions of the second door rollers (24, 25) with respect to the upper rail 13a are positioned in suitable positions according to the above-described load.
  • the second door rollers (24, 25) are disposed in light contact with the upper rail 13a or disposed so as to provide a gap within a predetermined range that can secure a riding width between the upper rail 13a and the second door rollers (24, 25), and thereby, it is possible to set a state in which little running resistance is generated in a derailing prevention mechanism when the door rollers (19, 20, 24, 25) are running on the rail 13.
  • the door rollers (19, 20, 24, 25) can be positioned in suitable positions according to the load, and the derailing of the door rollers (19, 20, 24, 25) and the tilting of the doors 11 (11a, 11b) can be reliably prevented.
  • the positional adjustment of the second door rollers (24, 25) namely, the degree to which the second door rollers (24, 25) is in contact with the upper rail 13a or the amount of the gap provided within a predetermined range, has little impact on the above-described derailing prevention performance. Accordingly, the positional adjustment requires little time and effort at the time of installing the door hanging apparatus 1, and the installation operation can be performed easily.
  • a door hanging apparatus 1 and a door apparatus 2 that can reliably prevent the derailing of door rollers (19, 20, 24, 25) and the tilting of doors 11 (11a, 11b) when the doors 11 (11a, 11b) are opened and closed, while having little running resistance caused by a derailing prevention mechanism.
  • the second door rollers (24, 25) are provided on both the door leading end side and the door trailing end side with respect to the elastic connection mechanism 27. Accordingly, both during the opening driving and the closing driving of the doors 11 (11a, 11b), the positions of the second door rollers (24, 25) with respect to the upper rail 13a can be positioned in suitable positions via operation of the elastic connection mechanism 27 at the time of the acceleration/deceleration or when a foreign object has collided with the end of the doors.
  • the door leading end-side and door trailing end-side swing members (22, 23) are respectively connected to opposite sides of the first door roller supporting member 21 that supports the first door rollers (19, 20), and the swingable connection member 29 of the elastic connection mechanism 27 is further connected thereto so as to connect the two swing members (22, 23), thus constituting a quadrangular link mechanism having fours links.
  • connection position with the swingable connection member 29 is disposed on the side of the door trailing end-side second door roller 24 with respect to the connection position with the first door roller supporting member 21. Accordingly, when the connection position with the swingable connection member 29 is disposed in a position closer to the connection position with the first door roller supporting member 21, the response performance of the door trailing end-side second door roller 24 via the door trailing end-side swing member 22 via operation of the elastic connection mechanism 27 can be set to be faster, which makes it possible to more quickly position the door trailing end-side second door roller 24 in a suitable position.
  • connection position with the swingable connection member 29 when the connection position with the swingable connection member 29 is disposed in a position farther away from the connection position with the first door roller supporting member 21, a greater force can be easily secured as the force exerted on the upper rail 13a from the door trailing end-side second door roller 24 via the door trailing end-side swing member 22 via operation of the elastic connection mechanism 27. Consequently, by simply changing the connection position with the swingable connection member 29 with respect to the connection position with the first door roller supporting member 21 for the door trailing end-side swing member 22, it is possible to easily adjust the setting of the response performance of the door trailing end-side second door roller 24 via operation of the elastic connection mechanism 27 and the setting of the force exerted on the upper rail 13a from the door trailing end-side second door roller 24.
  • the swingable connection member 29 and the door trailing end-side swing member 22 are rotatably connected coaxially with the axle 33a of the door trailing end-side second door roller 24, and therefore, the same shaft can be used as the axle 33a of the door trailing end-side second door roller 24 and the rotational shaft of the swingable connection member 29 and the door trailing end-side swing member 22. Accordingly, it is possible to reduce the number of members, which makes is possible to further increase the compactness of the structure.
  • connection position with the swingable connection member 29 is disposed on the side of the door leading end-side second door roller 25 with respect to the connection position with the first door roller supporting member 21. Accordingly, when the connection position with the swingable connection member 29 is disposed in a position closer to the connection position with the first door roller supporting member 21, the response performance of the door leading end-side second door roller 25 via the door leading end-side swing member 23 via operation of the elastic connection mechanism 27 can be set to be faster, which makes it possible to more quickly position the door leading end-side second door roller 25 in a suitable position.
  • connection position with the swingable connection member 29 when the connection position with the swingable connection member 29 is disposed in a position farther away from the connection position with the first door roller supporting member 21, a greater force can be easily secured as the force exerted on the upper rail 13a from the door leading end-side second door roller 25 via the door leading end-side swing member 23 via operation of the elastic connection mechanism 27. Consequently, by simply changing the connection position with the swingable connection member 29 with respect to the connection position with the first door roller supporting member 21 for the door leading end-side swing member 23, it is possible to easily adjust the setting of the response performance of the door leading end-side second door roller 25 via operation of the elastic connection mechanism 27 and the setting of the force exerted on the upper rail 13a from the door leading end-side second door roller 25.
  • the swingable connection member 29 and the door leading end-side swing member 23 are rotatably connected coaxially with the axle 33b of the door leading end-side second door roller 25, and therefore, the same shaft can be used as the axle 33b of the door leading end-side second door roller 25 and the rotational shaft of the swingable connection member 29 and the door leading end-side swing member 23. Accordingly, it is possible to reduce the number of members, which makes is possible to further increase the compactness of the structure.
  • the respective ends of the pair of spring members (30a, 30b) are supported to the swingable connection member 29 and the drive connection portion 26 is biased by the pair of spring members (30a, 30b) in opposite directions, and thereby the elastic connection mechanism 27 can be easily constructed with a simple structure.
  • an open-close drive mechanism 40 includes a drive motor (not shown), a pinion 41, an upper rack 42, a lower rack 43, and so forth.
  • the pinion 41 is connected to the drive motor, and is rotationally driven with rotation of the drive motor.
  • the pinion 41 is disposed so as to be meshed with the upper rack 42 that is disposed thereabove so as to extend horizontally and the lower rack 43 that is disposed therebelow so as to extend horizontally.
  • the upper rack 42 and the lower rack 43 are supported to the structure so as to be slidably moved, parallel to the lengthwise direction of a rail 13.
  • the upper rack 42 and the lower rack 43 are configured to be slidably moved in opposite directions to each other by rotation of the pinion 41.
  • the upper rack 42 is connected to a door roller mechanism 14b that supports a door 11b in a suspended state
  • the lower rack 43 is connected to a door roller mechanism 14a that supports a door 11a in a suspended state. Accordingly, rotations of the pinion 41 with a forward operation and a reverse operation of the drive motor cause the doors 11 (11a, 11b) to be driven to be moved in the opening direction and the closing direction.
  • an open-close drive mechanism 50 includes a drive motor 51, a screw shaft 52, a rotation receiving portion 53, nut members (54a, 54b), and so forth.
  • the screw shaft 52 is connected to the drive motor 51 at its one end, and is rotatably supported by the rotation receiving portion 53 at the other end. Accordingly, the screw shaft 52 is rotationally driven with rotation of the drive motor 51.
  • an externally threaded portion 52a formed from the center portion to one end and an externally threaded portion 52b formed from the center portion to the other end are formed as threaded portions in reverse directions.
  • the nut members (54a, 54b) are provided as members that are threadedly engaged with the screw shaft 52 and are connected to the door hanging apparatus 1.
  • the nut member 54a is threadedly engaged with one of the externally threaded portions of the screw shaft 52, namely the externally threaded portion 52a, and is connected to a door roller mechanism 14a that supports a door 11a in a suspended state.
  • the nut member 54b is threadedly engaged with the other externally threaded portion of the screw shaft 52, namely the externally threaded portion 52b, and is connected to a door roller mechanism 14b that supports a door 11b in a suspended state.
  • an open-close drive mechanism 60 includes a drive motor 61, screw shafts (62a, 62b), rotation receiving portions (63a, 63b, 63c), gear portions (64a, 64b), nut members (65a, 65b), and so forth.
  • the screw shaft 62a is connected to the drive motor 61 at its one end, and is rotatably supported by the rotation receiving portion 63a at the other end. Accordingly, the screw shaft 62a is rotationally driven with rotation of the drive motor 61.
  • the screw shaft 62b has a threaded portion formed therein in the same direction as that of the screw shaft 62a, and is rotatably supported by the rotation receiving portions (63b, 63c) at opposite ends.
  • the gear portion 64a having teeth of a spur gear formed on its outer circumference is fixed coaxially to the screw shaft 62a.
  • the gear portion 64b having teeth of a spur gear formed on its outer circumference and meshing with the gear portion 64a is fixed coaxially to the screw shaft 62b.
  • the nut member 65a is provided as a member that is threadedly engaged with the screw shaft 62b and is connected to a door roller mechanism 14a that supports a door 11a in a suspended state.
  • the nut member 65b is provided as a member that is threadedly engaged with the screw shaft 62a and is connected to a door roller mechanism 14b that supports a door 11b in a suspended state.
  • the present invention is widely applicable as a door hanging apparatus that supports a door provided in a structure and driven to be opened and closed by an open-close drive mechanism, in a state in which the door is suspended to the structure so as to be slidably moved, and that is connected to the open-close drive mechanism, and a door apparatus provided with the door hanging apparatus.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Support Devices For Sliding Doors (AREA)

Claims (9)

  1. Türaufhängevorrichtung (1) zum Stützen einer Tür (11), die in einer Struktur angeordnet ist und durch einen Öffnungs-und-Schließ-Antriebsmechanismus(12) zum Öffnen und Schließen angetrieben wird, während die Tür (11) an der Türaufhängevorrichtung (1) aufgehängt ist, um mit Bezug auf die Struktur gleitfähig bewegt werden zu können, und während des Gebrauchs mit dem Öffnungs-und-Schließ-Antriebsmechanismus (12) verbunden ist, wobei die Vorrichtung (1) Folgendes umfasst:
    eine Schiene (13), die eine obere Schiene (13a) und eine untere Schiene (13b) umfassen, die während des Gebrauchs an der Struktur befestigt sind und mit jeweiligen Laufflächen (18a, 18b) versehen sind, die einander in der vertikalen Richtung gegenüberliegen;
    eine erste Türrolle (19, 20), die in Kontakt mit der Lauffläche (18b) der unteren Schiene (13b) läuft;
    ein Erste-Türrolle-Stützelement (21), an dem während des Gebrauchs die Tür (11) aufgehängt ist und die erste Türrolle (19, 20) drehbar stützt;
    mehrere Schwenkelemente (22, 23), die schwenkbar mit der Erste-Türrolle-Stützelement (21) verbunden sind;
    eine zweite Türrolle (24, 25), die drehbar an mindestens einem der Schwenkelemente (22, 23) gestützt wird und so ausgebildet ist, dass sie in Kontakt mit der Lauffläche (18a) der oberen Schiene (13a) kommen kann;
    einen Antriebsverbindungsabschnitt (26), der während des Gebrauchs mit dem Öffnungs-und-Schließ-Antriebsmechanismus (12) verbunden ist; und
    einen elastischen Verbindungsmechanismus (27), der einen elastischen Abschnitt (30a, 30b) enthält, der eine relative Position zwischen der zweiten Türrolle (24, 25) und dem Antriebsverbindungsabschnitt (26) durch elastische Verformung ändern kann und die Schwenkelemente (22, 23) mit dem Antriebsverbindungsabschnitt (26) verbindet, wobei die Schwenkelemente (22, 23) dafür ausgelegt sind, verschoben zu werden, so dass sie durch elastische Verformung des elastischen Abschnitts (30a, 30b) schwenken, wodurch die Schwenkelemente (22, 23) dafür geeignet sind, die zweite Türrolle (24, 25) zu verschieben.
  2. Türaufhängevorrichtung (1) nach Anspruch 1,
    wobei die zweite Türrolle (24, 25) sowohl an einer Türvorderendseite, welche die Seite ist, auf der sich das Ende der Tür (11) in einer Schließrichtung befindet, als auch auf einer Türhinterendseite, welche die Seite ist, auf der sich das Ende der Tür (11) in einer Öffnungsrichtung befindet, mit Bezug auf den elastischen Verbindungsmechanismus (27) angeordnet ist.
  3. Türaufhängevorrichtung (1) nach Anspruch 1 oder 2, wobei ein türvorderendseitiges Schwenkelement (23), das mit dem Erste-Türrolle-Stützelement (21) auf der Türvorderendseite verbunden ist, und ein türhinterendseitiges Schwenkelement (22), das mit dem Erste-Türrolle-Stützelement (21) auf der Türhinterendseite verbunden ist, als die Schwenkelemente (22, 23) bereitgestellt sind,
    der elastische Verbindungsmechanismus (27) ein schwenkbares Verbindungselement (29) umfasst, das mit dem Antriebsverbindungsabschnitt (26) über den elastischen Abschnitt (30a, 30b) so verbunden ist, dass seine relative Position mit Bezug auf den Antriebsverbindungsabschnitt (26) werden geändert kann, und an dem das türvorderendseitige Schwenkelement (23) und das türhinterendseitige Schwenkelement (22) jeweils an gegenüberliegenden Enden drehbar verbunden sind, und
    das Erste-Türrolle-Stützelement (21), das türvorderendseitige Schwenkelement (23), das schwenkbare Verbindungselement (29) und das türhinterendseitige Schwenkelement (22), die als vier Verbindungsglieder bereitgestellt sind, einen viereckigen Gestängemechanismus bilden.
  4. Türaufhängevorrichtung (1) nach Anspruch 3, wobei
    die zweite Türrolle (25) drehbar an dem türvorderendseitigen Schwenkelement (23) gestützt wird, und
    eine Verbindungsposition zwischen dem schwenkbaren Verbindungselement (29) und dem türvorderendseitigen Schwenkelement (23) auf einer Seite der zweiten Türrolle (25) mit Bezug auf eine Verbindungsposition zwischen dem türvorderendseitigen Schwenkelement (23) und dem Erste-Türrolle-Stützelement (21) angeordnet ist.
  5. Türaufhängevorrichtung (1) nach Anspruch 4, wobei
    das schwenkbare Verbindungselement (29) und das türvorderendseitige Schwenkelement (23) koaxial mit einer Achse verbunden sind, über die die zweite Türrolle (25) drehbar an dem türvorderendseitigen Schwenkelement (23) gestützt wird.
  6. Türaufhängevorrichtung (1) nach einem der Ansprüche 3 bis 5, wobei
    die zweite Türrolle (24) drehbar an dem türhinterendseitigen Schwenkelement (22) gestützt wird, und
    eine Verbindungsposition zwischen dem schwenkbaren Verbindungselement (29) und dem türhinterendseitigen Schwenkelement (22) auf einer Seite der zweiten Türrolle (24) mit Bezug auf eine Verbindungsposition zwischen dem türhinterendseitigen Schwenkelement (22) und dem Erste-Türrolle-Stützelement (21) angeordnet ist.
  7. Türaufhängevorrichtung (1) nach Anspruch 6, wobei
    das schwenkbare Verbindungselement (29) und das türhinterendseitige Schwenkelement (22) koaxial mit einer Achse verbunden sind, über die die zweite Türrolle (24) drehbar an dem türhinterendseitigen Schwenkelement (22) gestützt wird.
  8. Türaufhängevorrichtung (1) nach einem der Ansprüche 3 bis 7, wobei
    das schwenkbare Verbindungselement (29) so angeordnet ist, dass es durch den Antriebsverbindungsabschnitt (26) hindurch verläuft,
    der elastische Abschnitt (30a, 30b) als ein Paar Federelemente (30a, 30b) vorhanden ist, die so angeordnet sind, dass der Antriebsverbindungsabschnitt (26) von gegenüberliegenden Seiten aus in entgegengesetzte Richtungen in einer Durchgangsrichtung, in der das schwenkbare Verbindungselement (29) durch den Antriebsverbindungsabschnitt (26) verläuft, vorgespannt wird, und die jeweiligen Enden des Paares Federelemente (30a, 30b), die sich gegenüber ihren Enden befinden, die den Antriebsverbindungsabschnitt (26) vorspannen, an dem schwenkbaren Verbindungselement (29) gestützt werden.
  9. Türvorrichtung (2, 3, 4, 5), die Folgendes umfasst:
    die Türaufhängevorrichtung (1) nach einem der Ansprüche 1 bis 8;
    eine Tür (11), die in einer Struktur angeordnet ist und durch die Türaufhängevorrichtung (1) gestützt wird, während sie an der Struktur aufgehängt ist, so dass sie gleitfähig bewegt werden kann; und
    einen Öffnungs-und-Schließ-Antriebsmechanismus (12, 40, 50, 60), der mit der Türaufhängevorrichtung (1) verbunden ist und die Tür (11) zum Öffnen und Schließen antreibt.
EP10831423.8A 2009-11-17 2010-10-21 Türaufhängungsvorrichtung und türvorrichtung damit Active EP2503087B1 (de)

Applications Claiming Priority (2)

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JP2009262000 2009-11-17
PCT/JP2010/068608 WO2011062027A1 (ja) 2009-11-17 2010-10-21 戸吊装置及びそれを備えたドア装置

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JP6530612B2 (ja) * 2015-02-10 2019-06-12 ナブテスコ株式会社 戸吊装置
JP6542540B2 (ja) * 2015-02-10 2019-07-10 ナブテスコ株式会社 戸吊装置
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JP5283760B2 (ja) 2013-09-04
WO2011062027A1 (ja) 2011-05-26
JPWO2011062027A1 (ja) 2013-04-04
CN102667042A (zh) 2012-09-12
TWI411722B (zh) 2013-10-11
TW201135043A (en) 2011-10-16
KR101302922B1 (ko) 2013-09-06
HK1172074A1 (en) 2013-04-12
EP2503087A4 (de) 2017-03-22
CN102667042B (zh) 2015-06-10
KR20120080632A (ko) 2012-07-17
EP2503087A1 (de) 2012-09-26

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