JP2019143471A - Sliding door device - Google Patents

Abstract

To provide a sliding door device that can stop a door body in the middle of traveling while it can assist the door body in traveling to at least one side.SOLUTION: A sliding door device 1 includes a door body 10 that is slidable and that opens and closes an opening 9, an assist mechanism 2 that assists the door body in traveling to a first position side being at least one of a fully opened position side and a closed position side, and a stopper mechanism 56 that stops the door body in partially-opened and releasable states in the middle of traveling to the first position side against the assistance of the assist mechanism.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a sliding door device including a door.

2. Description of the Related Art Conventionally, there is known a sliding door device provided with a mechanism that assists the traveling of a door body that is slidably disposed and opens and closes an opening.
For example, in Patent Document 1 and Patent Document 2 below, an apparatus is disclosed in which a door is provided with a gear box having a gear meshing with a rack provided on a rail or a spring spring that stores elastic force by rotation of the gear. ing.

Japanese Patent No. 3960434 Utility Model Registration No. 3172882

  When the assist mechanism as described above is provided, it is possible to reduce a burden when the door is slid to one side. However, when such a mechanism is provided, for example, for various reasons such as ventilation, asking for a state of a space such as a partitioned private room, a look, or a glimpse of the door, It is difficult to stop in position, and further improvements are desired.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sliding door device capable of stopping the door halfway while enabling the door to travel to at least one side.

  In order to achieve the above object, a sliding door device according to the present invention is slidable, and is a first position side that is a door body that opens and closes an opening, and is at least one of a fully open position side and a closed position side. An assist mechanism for assisting the travel of the door body to the stop, and a stopper mechanism for releasably stopping the door body in a half-open state while traveling to the first position side against the assist of the assist mechanism. It is characterized by having.

  Since the sliding door device according to the present invention is configured as described above, the door can be stopped at a midway position while at least assisting the traveling of the door to one side.

(A)-(c) is a partially broken schematic front view which showed typically an example of the sliding door apparatus which concerns on one Embodiment of this invention, and abbreviate | omitted one part. (A) is a partially broken schematic front view schematically showing a state in which an example of the sliding door device is constructed, and (b) is a partially broken schematic crossing corresponding to the line XX in (a). FIG. It is a partially broken schematic longitudinal cross-sectional view corresponding to the YY line arrow in FIG. It is the partially broken schematic exploded perspective view which abbreviate | omitted a part of the sliding door apparatus. (A) is a partially broken schematic longitudinal sectional view corresponding to the Z1-Z1 line arrow in FIG. 3, (b) is a partially broken schematic longitudinal sectional view corresponding to the Z2-Z2 line arrow in FIG. FIG. (A) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (a), and (b) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (b). (A) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (a), and (b) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (b). (A) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (a), and (b) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (b). (A) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (a), and (b) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (b). (A) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (a), and (b) is a partially broken schematic longitudinal sectional view corresponding to FIG. 5 (b).

Embodiments of the present invention will be described below with reference to the drawings.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in the following embodiment, directions, such as an up-down direction, are demonstrated on the basis of the state which constructed the sliding door apparatus which concerns on this embodiment.

1-10 is a figure which shows typically the sliding door apparatus which concerns on this embodiment.
As shown in FIGS. 1 to 3, the sliding door device 1 according to the present embodiment has a configuration in which a door body 10 that opens and closes an opening 9 that serves as an entrance and exit provided in a wall body such as a partition wall is slidably provided. Has been.
The sliding door device 1 is not limited to a residence, and may be installed in a public facility such as a medical facility or a welfare facility, in a commercial facility, in various stores, in a factory, or the like. It is not restricted and is good also as what is installed outdoors.
The sliding door device 1 also includes an assisting mechanism 2 that assists the traveling of the door body 10 toward the first position that is at least one of the fully open position side and the closed position side. Further, the sliding door device 1 includes stopper mechanisms 56 and 57 that stop the door body 10 so as to be releasable at an intermediate position against the assistance of the assistance mechanism 2.

In the present embodiment, the assisting mechanism 2 is configured to assist the traveling of the door body 10 on both the fully open position side and the closed position side. Further, a stopper mechanism 56 that stops the door 10 that is urged to travel toward the fully open position by the assist mechanism 2 at a midway position, and a door 10 that is urged to travel toward the closed position by the assist mechanism 2 is located at an intermediate position. And a stopper mechanism 57 for stopping in FIG.
Further, as shown in FIGS. 1 and 4, the assisting mechanism 2 includes a first rail 23 that is inclined so as to descend from the first end 21 side in the longitudinal direction toward the second end 22 side. . Further, the assisting mechanism 2 is provided in parallel with the first rail 23 and descends from the second end 22 side in the longitudinal direction opposite to the first rail 23 toward the first end 21 side. It is set as the structure provided with the 2nd rail 26 which inclines to. Further, the assisting mechanism 2 includes runners 41 and 44 that are slidably guided by the rails 23 and 26, and includes a holder 30 that holds the door 10.
Further, in the present embodiment, the assist mechanism 2 includes a plurality of holders 30 and 30 that hold a plurality of positions spaced apart in a direction along the rail longitudinal direction of the door body 10 (door width direction). It is said. In addition, the assisting mechanism 2 is provided with a plurality of first rails 23 and 23 and second rails 26 and 26 that guide the runners 41, 44, 41, 44 of the plurality of holders 30, 30 in series. It has a configuration.

Moreover, in this embodiment, the sliding door apparatus 1 is set as the structure provided with the single door body 10 distribute | arranged in the shape of a single drawing. Moreover, in the example of a figure, the door 10 is shown in the example built by the sleeve wall storage which provided the sleeve wall 8. FIG. Moreover, the example which built the door 10 in the door frame provided with the upper frame 4, the door tip side vertical frame 5, the door bottom side vertical frame 6, and the neutral stand (intermediate vertical frame) 7 is shown. It is assumed that the upper side of the opening 9 and both sides in the opening width direction are partitioned by the upper frame 4, the door-end side vertical frame 5, and the neutral stand 7. Further, the lower side of the opening 9 may be defined by a floor surface, or may be defined by a lower frame.
The door frames 4, 5, 6, and 7 may be fixed to an appropriate frame base, and the sliding door device 1 is provided with the door frames 4, 5, 6, and 7. You may make it grasp. Moreover, although the example which showed these door frames 4, 5, 6, and 7 as the fixed frame shape is shown in the example of a figure, it is good also as a casing frame shape provided with the casing frame. In addition, without providing such a door frame, the opening 9 may be partitioned by an interior finishing surface that is cross-finished in a frameless manner or other finishing surfaces.

Moreover, in this embodiment, as shown to Fig.2 (a) and FIG. 3, the cover members 60 and 60 which respectively cover the sliding door apparatus 1 on the rail width direction (direction along a door thickness direction) both sides of the assist mechanism 2 are each covered. It is set as the structure provided with. These cover members 60, 60 are in the form of strips (curtain plates) that are long in the rail longitudinal direction, and a gap between the upper frame 4 to be attached to each rail 23, 26 of the assist mechanism 2 and the door body 10. It is arranged to cover. That is, these cover members 60, 60 are configured to cover the gap between the expected surface facing the lower side of the upper frame 4 and the upper end surface of the door body 10.
As shown in FIG. 2A, the cover member 60 on the opposite sleeve wall surface side of the door body 10 has a length corresponding to the dimension along the door width direction from the door-end side vertical frame 5 to the door-end side vertical frame 6. It is a dimension. The cover member 60 on the sleeve wall surface side of the door body 10 has a length dimension corresponding to the dimension along the door width direction from the door-end side vertical frame 5 to the neutral stand 7 (see FIG. 3).
Note that the cover members 60 and 60 may be fixed to the upper frame 4 or the like with screws, an adhesive, or the like. Moreover, it is good also as an aspect which provided the cover part which covers the clearance gap between the doors 10 in the upper frame 4 instead of the aspect which provided such cover members 60 and 60, and also such a cover. The assisting mechanism 2 may be exposed without providing the members 60 and 60 and the cover portion.

The door body 10 has a substantially rectangular flat plate shape. Further, as shown in FIG. 2, pullers 11, 11 are provided on both sides in the door thickness direction at the door end side end of the door body 10. In the present embodiment, the pullers 11 and 11 are not in a digging shape but in a bar shape (bar shape) extending in the vertical direction. These pullers 11 and 11 have substantially the same configuration, and are provided so as to overlap each other when viewed in the thickness direction.
The pullers 11 and 11 are provided such that a gap is formed between the door body 10 and the door-end side vertical frame 5 in a state where the door 10 closes the opening 9. In addition, the handle 11 provided on the sleeve wall surface side of the door body 10 is provided so that a gap in which a finger can be inserted is formed between the door body 10 and the neutral stand 7 with the door body 10 fully opened. Yes. That is, the door body 10 is arranged in a fully opened state so that the door-side portion including the handles 11, 11 protrudes toward the opening 9 rather than the inner surface facing the opening 9 side of the neutral stand 7. It is said that. In other words, the door 10 is built so that a so-called leftover is formed. In addition, you may make it provide the lock mechanism which can be locked / unlocked in the handle 11,11 grade | etc., Of this door body 10. FIG.

The door width dimension of the door body 10 may be an appropriate dimension according to the opening width of the opening 9 so that the opening 9 can be closed. In this embodiment, as shown in FIG. 2B, the door width side of the door body 10 is in a state where the door bottom side end of the door body 10 is in a neutral thickness 7 and door thickness direction with the opening 9 closed. The dimensions are such that they are superposed. In addition, the opening width of the opening 9 may be an appropriate dimension from the viewpoint of entry / exit and barrier-free characteristics, and the effective width of the door 10 is, for example, 750 mm or more or 1000 mm or more. It is good also as an appropriate dimension according to the undrawn dimension.
Moreover, the height dimension of this door body 10 is good also as a dimension from the floor surface vicinity to each rail 23 and 26 vicinity, as shown to Fig.2 (a) and FIG. 3, for example, about 1800 mm-2500 mm It is good. Moreover, the door thickness dimension of the door body 10 is good also as about 20 mm-40 mm, for example. Each dimension of the door body 10 may be set as appropriate according to the installation location, usage, and the like of the sliding door device 1.

Moreover, the sliding door apparatus 1 is provided with the lower end guide member 3 which guides the lower end side of the door body 10, as shown in FIG.2 (b) and FIG. In the present embodiment, a concave groove 12 that opens downward is provided along the door width direction at the lower end portion of the door body 10, and the lower end guide member 3 is provided with a guide pin 3 a that is inserted (freely inserted) into the concave groove 12. It has a configuration with.
As shown in FIG. 2B, the lower end guide member 3 is provided at a plurality of locations so as to be located immediately below the movement locus of the door body 10 that moves between the closed position and the fully opened position. You may make it provide this lower end guide member 3 so that at least one may exist directly under the door 10 which moves between a closed position and a full open position. Further, the lower end guide member 3 may be a magnet guide that is disposed so as to be embedded in the floor by accommodating a guide pin 3a provided with a magnet so that the guide pin 3a can be moved up and down. In this case, a magnet, a magnetic body, or the like may be provided in the concave groove 12 of the door body 10 so as to correspond to the lower end guide member 3.

As shown in FIG. 2 (b), the lower end guide member 3 and the like provided at a position that always overlaps with the door 10 that moves between the closed position and the fully opened position are configured so that they cannot be raised or lowered in the vertical direction. It is good also as a fixed guide member provided with the part (guide pin).
Further, the door body 10 is not limited to a mode in which the door body 10 is built in a sleeve wall as shown in the figure, but may be in a mode in which a door pocket is stored or an outset is stored. Moreover, it is not restricted to the aspect which provided the single door body 10 in the single drawing shape, It is good also as an aspect which provided the two door bodies 10 in the drawing shape. In this case, assist mechanisms 2 and 2 to be described later may be provided in a pair so as to assist and assist the traveling of the doors 10. Further, the opening 9 is not limited to an entrance and the like, and may be an opening 9 for various types of storage.

The assist mechanism 2 guides the runners 41, 44 to the first rail 23 and guides the runners 41, 44 to the second rail 26 in a state in which the runners 41, 44 are guided to run downward by the load applied to the runners 41, 44. Thus, a switching mechanism 31 is provided that is switched to a state in which traveling is assisted in a direction in which the second rail 26 is lowered by a load applied to the runners 41 and 44.
In this embodiment, as shown in FIG. 1 and FIG. 3, the runners 41 and 44 are slidably engaged with the first rail 23 and guided by the first runner 41 and slidable on the second rail 26. And a second runner 44 that is guided by being engaged therewith. Further, the switching mechanism 31 is configured to be switched between a state in which a load is applied to the first runner 41 side and a state in which a load is applied to the second runner 44 side.

Moreover, in this embodiment, as shown in FIG. 1, the assisting mechanism 2 includes a pair of holders 30, 30 connected to the upper end sides of the door tip side end portion and the door bottom side end portion of the door body 10. It has a configuration with. Further, the two rail units 20 and 20 in which the first rails 23 and 23 and the second rails 26 and 26 are provided in parallel with each other are arranged in the door width direction so as to guide the holders 30 and 30, respectively. It is set as the structure provided in series along.
The rail units 20, 20 are approximately ½ the length along the door width direction from the door end side end surface of the door body 10 in the closed position to the door bottom side end surface of the door body 10 in the fully open position. The size is provided on each of the opening 9 side and the sleeve wall 8 side. Moreover, these rail units 20 and 20 are provided so that it may be located in the mutually same height, and may become the position corresponded in the door thickness direction. That is, the rail units 20 are provided so as to overlap each other when viewed in the rail longitudinal direction.

The rail unit 20 on the opening 9 side has the first end portion 21 in the longitudinal direction in contact with or close to the door-end side vertical frame 5, and the second end portion 22 in the longitudinal direction is in a position close to the neutral 7. It is arranged. By the rail unit 20 on the opening 9 side, the holder 30 connected to the upper end side of the door end side end portion of the door body 10 is guided in the rail longitudinal direction.
The rail unit 20 on the sleeve wall 8 side has the first end portion 21 in the longitudinal direction in contact with or close to the second end portion 22 of the rail unit 20 on the opening 9 side, and the second end portion 22 in the longitudinal direction is made to the door butt. It is disposed in contact with or close to the side vertical frame 6. By the rail unit 20 on the sleeve wall 8 side, the holder 30 connected to the upper end side of the door bottom side end portion of the door body 10 is guided in the rail longitudinal direction.

Moreover, these rail units 20 and 20 are good also as what is fixed to the upper frame 4 used as attachment object with a screw | thread or an adhesive agent. In the illustrated example, the upper frame 4 is provided with a groove having a downward opening for receiving the upper part of the rail units 20 and 20 along the longitudinal direction. Instead of such a mode, the upper frame 4 may be provided with a concave groove that receives substantially the entire rail unit 20, 20, or the upper frame 4 may be provided without such a concave groove. It is good also as an aspect which attaches the rail units 20 and 20 to a lower surface.
A mechanism 20, 30, 50, 50 A for assisting traveling on the door end side end side of the door body 10 including the rail units 20, 20 and a mechanism for assisting traveling on the door bottom side end side of the door body 10. In the present embodiment, 20, 30, 50, and 50A have the same configuration. Therefore, in the following, the mechanism 20, 30, 50, and 50A that assists the traveling of the door end side that is one side will be mainly described as an example.

The first rail 23 and the second rail 26 of the rail unit 20 have a total length from the first end 21 to the second end 22 of the rail unit 20 such that both ends in the longitudinal direction coincide with each other in the longitudinal direction. Are provided.
The first rail 23 is inclined in a downhill shape so as to descend from the first end 21 toward the second end 22. The second rail 26 is inclined downhill so as to descend from the second end 22 toward the first end 21. In the present embodiment, the first rail 23 and the second rail 26 are provided in parallel in the door thickness direction. The first rail 23 and the second rail 26 are provided so as to intersect each other when viewed in the door thickness direction. In addition, the first rail 23 and the second rail 26 are provided in parallel so that the intersection of the first rail 23 and the second rail 26 is located at approximately the center in the longitudinal direction. Further, the upper edge of the first rail 23 on the first end 21 side and the upper edge of the second rail 26 on the second end 22 side have the same height, and the first rail 23 on the second end 22 side. The lower edge and the lower edge of the second rail 26 on the first end 21 side have the same height (see also FIGS. 5 and 10). Further, at both longitudinal ends 21 and 22, a part of the first rail 23 and the second rail 26 overlap each other when viewed in the door thickness direction.

Moreover, in this embodiment, as shown in FIG.3 and FIG.4, it is set as the structure which provided a pair of 1st rails 23 and 23 so that it might be located in the width direction both sides of the 2nd rail 26. FIG. Moreover, it is set as the structure which provided a pair of 1st runners 41 and 41 to the holder 30 mentioned later so that it might guide to each of these pair of 1st rails 23 and 23. FIG.
A pair of 1st rails 23 and 23 are set as the structure which provided the guide grooves 24 and 24 opened toward a door thickness direction outward side, respectively. These first rails 23, 23 are provided with an upper plate portion that divides the respective guide grooves 24, 24, a side plate portion on the inner side in the door thickness direction, and a lower plate portion 25, 25, viewed in the rail longitudinal direction, The shape is substantially C-shaped (substantially U-shaped).
In the present embodiment, the upper plate portion and the lower plate portion 25, 25 of the first rails 23, 23 are provided in parallel to each other. That is, the upper plate portion and the lower plate portion 25, 25 of the first rails 23, 23 are inclined so as to descend from the first end portion 21 toward the second end portion 22. Moreover, these 1st rails 23 and 23 are made into the uniform shape over the full length.

Moreover, the protrusion dimension along the door thickness direction from the side plate part of the upper plate part of these 1st rails 23 and 23 is made larger than the protrusion dimension along the door thickness direction from the side plate part of the lower plate parts 25 and 25. . In the illustrated example, the protruding dimension of the upper plate portion of the first rails 23, 23 is shown as being approximately twice the protruding dimension of the lower plate portions 25, 25.
Further, the upper surfaces of the lower plate portions 25, 25 of the first rails 23, 23 serve as guide surfaces (running surfaces of the rolling elements 43, 43) of first runners 41, 41, which will be described later. It is made into the inclined surface shape which goes down as it goes to the 2 edge part 22. As shown in FIG.

The second rail 26 is configured to have a guide groove 27 that opens downward. The second rail 26 includes an upper plate portion that divides the guide groove 27, side plate portions on both sides of the door thickness direction, and lower plate portions 28 and 28 that protrude in a direction facing each other from the lower ends of the both side plate portions. When viewed in the direction, it is substantially C-shaped (substantially U-shaped).
In the present embodiment, the upper plate portion and the lower plate portions 28, 28 of the second rail 26 are provided in parallel to each other. That is, the upper plate portion and the lower plate portions 28, 28 of the second rail 26 have an inclined shape that descends from the second end portion 22 toward the first end portion 21. The second rail 26 has a uniform shape over the entire length.
Further, the upper surfaces of the lower plate portions 28, 28 on both sides of the second rail 26 serve as guide surfaces (running surfaces of the rolling elements 46, 46) of the second runner 44 described later, and from the second end portion 22 to the first end. It is in the shape of an inclined surface that descends toward the portion 21.

The rail unit 20 including the first rails 23 and 23 and the second rail 26 is joined to the first rails 23 and 23 and the second rail 26, which are separate members, by screws, welding, an adhesive, or the like. It is good also as what was formed. Alternatively, the first rails 23 and 23 and the second rail 26 of the rail unit 20 may be integrally formed. Furthermore, a plurality of (two in the present embodiment) rail units 20 and 20 provided in series may be integrally formed.
In the example described above, the upper plate portion and the lower plate portion 25, 25 of the first rails 23, 23 are parallel to each other, and the upper plate portion and the lower plate portions 28, 28 of the second rail 26 are parallel to each other. However, the present invention is not limited to such an embodiment. The upper surfaces of the lower plate portions 25, 25, 28, and 28 of the rails 23, 23, and 26 may be inclined surfaces as described above, and the upper plate portions of the first rails 23, 23 and the second rail 26 are formed. All of the upper plate portions or any one of the upper plate portions may be horizontal.

  As shown in FIG. 5, the holder 30 has a configuration in which the first runners 41 and 41 and the second runner 44 are arranged at intervals in the rail longitudinal direction in the present embodiment. Moreover, the holder 30 has the switching part 31 which hold | maintains the door 10 so that sliding is possible in a rail longitudinal direction, and comprises a switching mechanism. Moreover, the holding tool 30 is in a state in which a load is applied to the first runner 41, 41 side and a state in which a load is applied to the second runner 44 side when the door 10 is moved in the rail longitudinal direction with respect to the switching unit 31. It is set as the structure switched to. Further, in the present embodiment, the first runners 41 and 41 and the second runners 44 are arranged such that the side on which the load is applied when traveling assisting along the rails 23 and 26 is at the head. That is, in this embodiment, the first runners 41 and 41 are provided on the rail longitudinal direction second end 22 side of the holder 30, and the second runner 44 is provided on the rail longitudinal direction first end 21 side of the holder 30. It has a configuration.

The switch part 31 comprises a holder main body, and is made into the hanger shape which hold | maintains so that the door 10 may be suspended in this embodiment. The switching unit 31 is arranged so as to be positioned almost directly above the door body 10. Further, the switching portion 31 is provided with a guide portion 32 in which the engaging portion 14 provided in the door body 10 is slidably engaged. In this embodiment, the uphill guide part which guides this guide part 32 so that the door 10 may be raised toward the different end parts 22 and 21 side in each end part 21 and 22 of the longitudinal direction of the rail unit 20. It is supposed to constitute.
Moreover, in this embodiment, the guide part 32 of the switching part 31 is made into the guide groove shape which opens in the direction along a door thickness direction, and extends in the direction along a rail longitudinal direction. Further, the guide portion 32 has a slit-like guide groove shape that penetrates in the direction along the door thickness direction and extends in the direction along the rail longitudinal direction. In addition, when the guide portion 32 is viewed in a direction along the door thickness direction, both end portions in the longitudinal direction are assumed to be substantially semicircular. Moreover, it is set as the structure which provided the concave step part over the perimeter to each opening periphery of the door thickness direction both sides of this guide part 32. As shown in FIG. In other words, a convex strip extending in the circumferential direction is provided over the entire circumference at the center of the inner circumferential portion of the guide portion 32 in the direction along the door thickness direction.

As shown in FIGS. 4 and 5, the engaging portion 14 on the door body 10 side slidably engaged with the guide portion 32 is guided, as shown in FIGS. 4 and 5, at the end in the door width direction (door end side end). It is provided at the upper end. The engaging portion 14 also functions as a connecting portion that connects the holder 30 and the door body 10. A similar engaging portion 14 is also provided at the door bottom side end portion of the door body 10.
In this embodiment, this engaging part 14 is made into the axial shape (columnar shape) along the axial direction in the door thickness direction inserted in the guide part 32 of the switching part 31 which penetrates in the door thickness direction as mentioned above. Yes. Further, rolling elements that run along the surfaces facing the upper side of the concave step portion are engaged with the engaging portion 14 respectively on the concave step portions provided on both sides in the door thickness direction of the guide portion 32 described above. The configuration is provided. In addition, between the rolling elements on both sides of the engagement portion 14 in the door thickness direction, shaft portions that are inserted between the upper and lower convex portions of the guide portion 32 are provided.
Moreover, the engaging part 14 is bridged on a pair of support piece-like connection base parts 13 provided so as to protrude upward from the upper end surface of the door body 10 and at intervals in the door thickness direction. Is provided.

  In addition, as the guide part 32 of the switching part 31, and the engaging part 14 of the door 10, it is not restricted to an above-described aspect. For example, instead of a mode in which the guide portion 32 is penetrated in the door thickness direction, a guide groove shape that opens on both sides or one side in the door thickness direction may be used. In this case, it is good also as a structure which provided the rolling element which engages the engaging part 14 of the door body 10 with the guide part 32 of the door thickness direction both sides or one side. Moreover, it is good also as the guide part 32 made into the structure engaged so that the engaging part 14 of the door 10 may be hooked. Various other modifications are possible for the guide portion 32 of the switching portion 31 and the engaging portion 14 of the door 10 that is slidably engaged with the guide portion 32.

As shown in FIG. 5A, the pair of first runners 41 and 41 is positioned above the rail longitudinal second end 22 side portion that is the longitudinal one side portion of the guide portion 32 of the switching portion 31. Provided with the same configuration.
The first runners 41 and 41 rotate with respect to the switching unit 31 around an axis that is coaxial with each other so as to allow displacement of the switching unit 31 that is displaced as will be described later. Rocking). In the present embodiment, as shown in FIG. 4, a pair of first connection piece portions 39 and 39 to which the base portions 42 and 42 of the first runners 41 and 41 are rotatably connected to the switching portion 31 are provided in the door thickness direction. It is set as the structure provided at intervals. These first connecting piece portions 39, 39 are provided so as to protrude upward, and the base portions 42, 42 of the first runners 41, 41 are rotatably connected to the respective upper end portions. .

The base portions 42 and 42 of the pair of first runners 41 and 41 are provided with rolling elements 43 and 43 that roll on the lower plate portions 25 and 25 of the pair of first rails 23 and 23, respectively. It has been. These rolling elements 43, 43 constitute an engaging portion that is slidably engaged with the first rails 23, 23, and are rotatable about an axis along the axial direction in the door thickness direction. The rolling elements 43 of the first runner 41 on one side of the door thickness direction and the rolling elements 43 of the first runner 41 on the other side of the door thickness direction are provided so as to have the same diameter and are coaxial.
Further, as shown in FIGS. 3 and 4, the rolling elements 43 and 43 are provided on the inner side in the door thickness direction, which is the side of the base portions 42 and 42 facing each other. As shown in FIG. 3, the base portions 42 and 42 and the first connecting piece portions 39 and 39 include groove inner walls of the recessed grooves provided on the upper frame 4 and the lower plate portions 25 of the first rails 23 and 23. 25 is configured to be inserted into a gap between the two.

In the present embodiment, each of the first runners 41 and 41 is provided with a plurality of (two in the illustrated example) rolling elements 43, 43, 43, and 43 that are spaced apart in the rail longitudinal direction. . In the illustrated example, rolling elements 43, 43, 43, 43 are provided on both sides in the rail longitudinal direction of the connecting portion between the base portions 42, 42 of the first runners 41, 41 and the first connecting piece portions 39, 39. It is configured.
Moreover, in this embodiment, the base parts 42 and 42 of these 1st runners 41 and 41 are made into the connected integral thing. In the illustrated example, the first runners 41 and 41 are illustrated as having an approximately C-shape (substantially U-shape) that opens upward as viewed in the rail longitudinal direction so as to receive the second rail 26. . That is, it is set as the structure which provided the connection part which connects the lower end part of a pair of base parts 42 and 42. As shown in FIG.

As shown in FIG. 5 (b), the second runner 44 is provided so as to be located above the rail longitudinal first end 21 side portion which is the other side portion in the longitudinal direction of the guide portion 32 of the switching portion 31. ing.
Further, the second runner 44 is rotatable (oscillated) with respect to the switching unit 31 about an axis along the door thickness direction so as to allow displacement of the switching unit 31 that is displaced as will be described later. In the present embodiment, as shown in FIG. 4, the switching portion 31 is provided with a second connection piece portion 40 to which the base portion 45 of the second runner 44 is rotatably connected. This 2nd connection piece part 40 is provided so that it may protrude toward upper direction, and it is set as the structure which connected the base part 45 of the 2nd runner 44 to this upper end part rotatably. Moreover, the 2nd connection piece part 40 is set as the structure penetrated by the clearance gap between the lower board parts 28 and 28 of the both sides of the 2nd rail 26, as shown in FIG.

Further, on both sides of the base portion 45 of the second runner 44 in the door thickness direction, rolling elements 46 and 46 that roll on the lower plate portions 28 and 28 on both sides of the second rail 26 are provided. These rolling elements 46, 46 constitute an engaging portion that is slidably engaged with the second rail 26, and are rotatable about an axis along the axial direction in the door thickness direction. The rolling element 46 on one side in the door thickness direction of the base portion 45 and the rolling element 46 on the other side in the door thickness direction are provided so as to have the same diameter and are coaxial.
Further, in the present embodiment, a plurality of (two in the illustrated example) rolling elements 46, 46, 46, spaced in the rail longitudinal direction on both sides in the door thickness direction of the base portion 45 of the second runner 44. 46 is provided. In the illustrated example, rolling elements 46, 46, 46, 46 are provided on both sides of the connecting portion between the base portion 45 of the second runner 44 and the second connecting piece portion 40 in the rail longitudinal direction.

Further, each rolling element 46 of the second runner 44 and each rolling element 43 of the first runner 41 have the same diameter, and the guide part 32 of the switching part 31 that is displaced as described later has a longitudinal direction. Each axial center is located at the same height in a state of being aligned in a substantially horizontal direction.
Thus, the guide part 32 of the switching part 31 which has arrange | positioned the 1st runners 41 and 41 and the 2nd runner 44 at intervals in the rail longitudinal direction is the longitudinal direction of the rail unit 20, as shown in FIG.5 and FIG.10. In the state of being arranged at both ends 21 and 22 in the direction, it is inclined.
That is, as shown in FIG. 5, when the holder 30 is located at the first end 21 of the rail unit 20, the rolling element 43 of the first runner 41 is the highest part of the lower plate portion 25 of the first rail 23. The rolling element 46 of the second runner 44 is positioned in the vicinity of the lowest part (downhill) of the lower plate portion 28 of the second rail 26. In this position, the guide portion 32 is second due to the height difference between the lower plate portion 25 of the first rail 23 with which the first runner 41 engages and the lower plate portion 28 of the second rail 26 with which the second runner 44 engages. It becomes an inclined shape (uphill shape) that rises from the runner 44 side toward the first runner 41 side.

Further, as shown in FIG. 10, when the holder 30 is located at the second end portion 22 of the rail unit 20, the rolling element 43 of the first runner 41 is the lowest part of the lower plate portion 25 of the first rail 23. The rolling element 46 of the second runner 44 is positioned in the vicinity of the highest part (uphill) of the lower plate portion 28 of the second rail 26. At this position, the guide portion 32 is the first due to the height difference between the lower plate portion 25 of the first rail 23 with which the first runner 41 engages and the lower plate portion 28 of the second rail 26 with which the second runner 44 engages. It has an inclined shape (uphill shape) that rises from the runner 41 side toward the second runner 44 side.
Further, in the state where the holder 30 is located at the longitudinal center of the rail unit 20, the illustration is omitted, but the lower plate portion 25 of the first rail 23 and the lower plate portion 28 of the second rail 26 are substantially omitted. It becomes the same height, and the guide part 32 becomes a substantially horizontal shape which made the longitudinal direction follow the substantially horizontal direction.

By moving the engagement portion 14 of the door 10 with respect to the guide portion 32, switching is performed so that a large load of the door 10 is applied to either one of the first runner 41 and the second runner 44. This can assist the travel of the door 10.
That is, as shown in FIG. 1A and FIG. 5, the door 10 is in the closed position and the engaging portion 14 is positioned on the second runner 44 side of the guide portion 32 than the first runner 41. A large load is applied to the second runner 44 by the door 10. In this closed position, the door body 10 is inclined so that the second rail 26 with which the second runner 44 engages is lowered toward the first end portion 21, and thus moves toward the first end portion 21 side. However, the movement is restrained by the door-end side vertical frame 5 and an appropriate stopper.

Holding the door body 10 by moving the door body 10 in the closed position as described above from the first end portion 21 side to the second end portion 22 side with respect to the guide portion 32 of the switching portion 31. It switches so that the load of the door 10 may be applied to the 1st runner 41 side so that the gravity center of the tool 30 may move. That is, if the engaging portion 14 of the door body 10 is positioned on the first runner 41 side of the guide portion 32, the load of the door body 10 is applied to the first runner 41 more than the second runner 44.
That is, as shown in FIG. 5 to FIG. 9, the switching unit 31 is a door so as to raise the guide portion 32 that is inclined so as to rise from the second runner 44 side toward the first runner 41 side. It is set as the structure switched to the state which applies a load to the 1st runner 41 side by moving the body 10. FIG.
Thus, if the load of the door 10 is applied to the first runner 41 side, the first runner 41 slides in the direction of descending the downhill-shaped first rail 23 toward the second end portion 22, thereby The door body 10 is assisted by the load toward the second end 22 side which is the open side. Further, in the state in which the load is applied to the first runner 41 and the travel is assisted in the direction of moving down the first rail 23 in this way, the first runner 41 is the head.

Further, as shown in FIGS. 1C and 10, when the door body 10 is in the fully open position in a state where a load is applied to the first runner 41 side, the door body 10 has the second end 22. Although it will be in the state where it was assisted so that it may move toward the side, the movement is suppressed by the door bottom side vertical frame 6 and a suitable stopper.
If the door 10 in the fully opened position is moved from the second end 22 side to the first end 21 side with respect to the guide portion 32 of the switching portion 31 in the opposite manner, the door body is moved. It switches so that it may be in the state where the load of the door 10 is applied to the 2nd runner 44 side so that the gravity center of the holder 30 holding 10 may move. That is, as shown in FIG. 10, the switching unit 31 moves the door body 10 so as to raise the guide portion 32 that is inclined so as to rise from the first runner 41 side toward the second runner 44 side. By doing so, it is configured to be switched to a state in which a load is applied to the second runner 44 side.
In this way, when the load of the door 10 is applied to the second runner 44 side, the second runner 44 slides in the direction of descending the downhill-shaped second rail 26 toward the first end portion 21, thereby The door body 10 is assisted by the load toward the first end portion 21 which is the closed side. Further, in this state in which the load is applied to the second runner 44 side and traveling assist is performed in the direction of descending the second rail 26, the second runner 44 is at the head.

In other words, in the present embodiment, the door 10 positioned at one of the closed position and the fully opened position (initial position) is caused to rise along the guide portion 32 toward the other side. It is set as the structure which assists driving | running | working of the door 10 using the potential energy.
The dimension along the rail longitudinal direction of the guide part 32 described above is appropriately set according to the viewpoint of shortening the movement dimension (initial operation stroke) of the door body 10 required until assistance is made, the door width dimension, and the like. You may do it. In addition, the inclination angle (initial inclination angle) of the guide portion 32 with respect to the horizontal plane in the closed position and the fully open position and the inclination angle (rail inclination angle) of the lower plate portions 25 and 28 of the rails 23 and 26 with respect to the horizontal plane Depending on the desired degree of assistance of the door body 10, the mass of the door body 10, the frictional resistance of the rails 23 and 26, etc., it may be set as appropriate.
If the dimension along the rail longitudinal direction of the guide portion 32 is lengthened, the initial inclination angle can be reduced and the force required for the operation can be reduced, but the initial operation stroke tends to be increased. On the other hand, if the dimension of the guide portion 32 along the rail longitudinal direction is shortened, the initial operation stroke can be reduced, but the initial inclination angle increases and the force required for the operation tends to increase.

From the above viewpoint, the dimension of the guide portion 32 along the rail longitudinal direction may be less than ½ of the door width dimension, may be about 1/3 to 1/20 of the door width dimension, It is good also as about 1/5-1/10. For example, the dimension of the guide portion 32 along the rail longitudinal direction may be a dimension such that the initial operation stroke is about 50 mm to 200 mm.
In addition, the mass of the door 10 and the rails 23, the rails 23, so that the door 10 lifted up to the position where the assistance is made can run without any external force due to the load. It may be set as appropriate according to the frictional resistance or the like at 26. For example, from the viewpoint of reducing the operating force during the initial operation, the initial tilt angle may be about 2 degrees to 20 degrees, preferably about 2 degrees to 10 degrees, more preferably about 2 degrees to 7 degrees. Also good. Further, the rail inclination angle of each rail 23, 26 may be set according to the initial inclination angle of the guide portion 32, the door width dimension of the door body 10 and the like, and is smaller than the initial inclination angle. What should I do?
Further, the amount of displacement in the vertical direction of the door body 10 that is lifted from the initial position to the position where the assist is made from the initial operation stroke and the initial inclination angle is about 5 mm to 30 mm, preferably about 5 mm to 20 mm, more preferably. You may make it set suitably so that it may be set to about 5 mm-10 mm.

Moreover, in this embodiment, the assist mechanism 2 is provided with the 1st lock mechanism 56 which suppresses the movement of the switch part 31 at the time of moving the door 10 to the state which applies a load to the 1st runner 41 side so that cancellation | release is possible. Yes. In the present embodiment, the first lock mechanism 56 is a stopper mechanism that stops the door body 10 that is assisted toward the fully open position side at an intermediate position.
The assist mechanism 2 includes a second lock mechanism 57 that releasably suppresses the movement of the switching unit 31 when the door body 10 is moved to a state where a load is applied to the second runner 44 side. In the present embodiment, the second lock mechanism 57 is a stopper mechanism that stops the door body 10 that is assisted toward the closed position at an intermediate position.
Further, the assisting mechanism 2 maintains the state where the load is applied to the first runner 41 side so as to be releasable and maintains the state where the load is applied to the second runner 44 side so as to be releasable. A fourth locking mechanism 48.
That is, in the present embodiment, the first lock mechanism 56 and the second lock mechanism 57 are the other side of the switching unit 31 in a state in which the door 10 is set to one of the closed position and the fully opened position (initial position). It is the structure which suppresses the movement to to be releasable. Moreover, the 3rd lock mechanism 47 and the 4th lock mechanism 48 are set as the structure which maintains so that the state switched so that the gravity center of the holder 30 holding the door 10 may be moved can be cancelled | released.

Moreover, in this embodiment, if the door 10 is moved to a state in which a load is applied to the first runner 41 side with respect to the switching unit 31 in a state where the movement of the switching unit 31 is suppressed by the first lock mechanism 56, The third lock mechanism 47 is in a locked state and the first lock mechanism 56 is released. That is, as shown in FIG. 1B, the first lock mechanism 56 is configured to be released when the door 10 stopped at the midway position is moved toward the fully open position.
In the present embodiment, the first lock mechanism 56 is released when the door 10 is further moved slightly after the third lock mechanism 47 is locked.
In addition, when the first lock mechanism 56 is released and the door body 10 is moved so that the movement of the switching unit 31 is prevented by the second lock mechanism 57, the third lock mechanism 47 is released. It is said.

On the other hand, if the door 10 is moved to a state where a load is applied to the second runner 44 side with respect to the switching unit 31 in a state in which the movement of the switching unit 31 is suppressed by the second lock mechanism 57, the fourth lock mechanism 48 is moved. Is in a locked state and the second lock mechanism 57 is released. That is, the second lock mechanism 57 is configured to be released if the door body 10 stopped at the midway position is moved toward the closed position, as described above.
In the present embodiment, the second lock mechanism 57 is released when the door body 10 is further moved slightly after the fourth lock mechanism 48 is locked.
In addition, when the second lock mechanism 57 is released and the door 10 is moved so that the movement of the switching unit 31 is prevented by the first lock mechanism 56, the fourth lock mechanism 48 is released. It is said.
That is, in this embodiment, the lock mechanisms 56, 57, 47, and 48 are locked and released as the door body 10 moves.

As shown in FIG. 1, the first lock mechanism 56 and the second lock mechanism 57 are provided on each of the first end 21 side and the second end 22 side of the rail unit 20 in the present embodiment.
As shown in FIGS. 5A and 10A, the first lock mechanism 56 and the second lock mechanism 57 include the locked parts 33 and 34 provided in the switching part 31 (holding tool 30). Lock portions 56b and 57b that are engaged to suppress the movement of the switching portion 31 are provided. Further, the door 10 is provided with a release portion 16 that releases the engagement of the first lock mechanism 56 and the lock portions 56b and 57b of the second lock mechanism 57 with respect to the locked portions 33 and 34 of the switching portion 31. .
The first lock mechanism 56 and the second lock mechanism 57 are fixed to the end portions 21 and 22 in the longitudinal direction of the rail unit 20, the door frames 4, 5 (6) and 7, the frame (mounting base), and the like. The first lock unit 50 and the second lock unit 50A are provided.
Further, the first lock unit 50 provided on the first end 21 side and the second lock unit 50A provided on the second end 22 side include the lock mechanisms 56 and 57 provided on the left and right sides. It is symmetrical (line symmetry with the longitudinal center line of the rail unit 20 as the axis of symmetry).

In the present embodiment, each of the first lock mechanism 56 and the second lock mechanism 57 is rotatably held around the shafts 52 and 52 along the door thickness direction with respect to the lock units 50 and 50A, respectively, and has a lever shape. The first lock lever 56 and the second lock lever 57 are provided.
The first lock lever 56 and the second lock lever 57 are arranged so as to be positioned on one side of the switching portion 31 in the door thickness direction. The first lock lever 56 and the second lock lever 57 are elongated in the rail longitudinal direction, and are approximately the same length as the length of the switching unit 31 along the rail longitudinal direction.
The first lock lever 56 is provided with a lock portion 56b at an end portion on the first end portion 21 side, and a released portion 56d that is released by the release portion 16 of the door body 10 at an end portion on the second end portion 22 side. It is set as the structure which provided. In the present embodiment, as shown in FIGS. 4 and 5A, the lock portion 56 b is opened toward the first end portion 21 side and the upper side, which are on the outer side in the longitudinal direction of the first lock lever 56. In this way, it is a concave step provided in a notch shape. Moreover, the to-be-released part 56d is made into the convex shape which protruded toward the downward side, and became tapered as it went to the downward side seeing in the door thickness direction. That is, both side surfaces in the longitudinal direction of the rail of the to-be-released portion 56d are inclined surfaces that incline toward each other toward the lower side.

In addition, the first lock lever 56 is configured such that a bearing hole 56a serving as a rotation center is provided at an intermediate portion in the longitudinal direction (in the figure, the substantially central portion in the longitudinal direction). The first lock unit 50 is provided with a shaft portion 52 inserted through the bearing hole 56a. The first lock unit 50 may have a bearing hole, and the first lock lever 56 may have a shaft portion.
The first lock unit 50 is provided with a biasing member 55 that biases the first lock lever 56 toward the lock side. In the illustrated example, the biasing member 55 is a tension coil spring held by the spring holding portion 54 of the first lock unit 50 so as to bias the portion closer to the lock portion 56b than the bearing hole 56a upward. Yes.
The first lock unit 50 is provided with a restricting portion 53 that restricts the rotation of the first lock lever 56. In the present embodiment, the restricting portion 53 is a pin-like restricting portion provided so as to protrude toward one side in the door thickness direction at a portion closer to the lock portion 56b than the bearing hole 56a of the first lock lever 56. It has a long hole shape with a long diameter on the top and bottom to receive 56c. The restricting portion 53 is configured to prevent further rotation of the first lock lever 56 biased by the biasing member 55 toward the lock side. The spring holding portion 54, the restricting portion 53, and the shaft portion 52 are provided on a plate-like portion of the first lock unit 50 provided on one side of the first lock lever 56 in the door thickness direction. The urging member 55 has a lower end connected to the restricted portion 56 c of the first lock lever 56 and an upper end connected to the spring holding portion 54 and is held.

As shown in FIG. 10A, the second lock lever 57 is configured such that the first lock lever 56 is reversed left and right. In other words, the second lock lever 57 is provided with a concave lock portion 57b similar to the above at the end on the second end 22 side, and the release portion of the door 10 at the end on the first end 21 side. 16 is provided with a protruding portion 57d having a convex shape similar to that described above. Further, the same bearing hole as described above through which the same shaft portion 52 provided in the second lock unit 50A is inserted in the middle portion in the longitudinal direction of the second lock lever 57 (in the illustrated example, the substantially central portion in the longitudinal direction). 57a is provided. As described above, the second lock unit 50 </ b> A may be provided with a bearing hole and the second lock lever 57 may be provided with a shaft portion.
The second lock unit 50A is provided with a biasing member 55 similar to the above for biasing the second lock lever 57 toward the lock side and a spring holding portion 54 for holding the same.
The second locking unit 50 </ b> A is provided with the same restricting portion 53 that receives the same restricted portion 57 c provided on the second lock lever 57.
A compression coil spring that urges the urging member 55 that urges the first lock lever 56 and the second lock lever 57 to the lock side so as to push up appropriate portions on the lock portions 56b and 57b side upward. Etc.

  The switching portion 31 of the holder 30 includes a first locked portion 33 that engages with the lock portion 56 b of the first lock lever 56 and a second locked portion 34 that engages with the lock portion 57 b of the second lock lever 57. And are provided. The first locked portion 33 and the second locked portion 34 are provided in a pair so as to be located on both sides in the longitudinal direction of the guide portion 32 of the switching portion 31. The first locked portion 33 is provided at the end portion of the switching portion 31 on the first end portion 21 side, and the second locked portion 34 is provided at the end portion of the switching portion 31 on the second end portion 22 side. Yes. In the present embodiment, the first locked portion 33 and the second locked portion 34 are formed in a pin shape protruding toward one side in the door thickness direction, as shown in FIG.

Moreover, the cancellation | release part 16 provided in the door body 10 is made into the pin shape which protrudes toward a door thickness direction one side, as shown in FIG. In the present embodiment, the release portion 16 is used for both unlocking the first lock lever 56 and unlocking the second lock lever 57.
The release portion 16 is configured to abut on the released portions 56d and 57d so as to rotate the first lock lever 56 and the second lock lever 57 to the lock release side.
In addition, the release portion 16 is provided in the connection base portion 13 provided at the upper end portion of the end portion (door end side end portion) in the door width direction of the door body 10. Further, when viewed in the door thickness direction, the release portion 16 is provided so as to be positioned substantially directly below the shaft-like engagement portion 14 provided in the connection base portion 13. A similar release portion 16 is also provided at the end of the door bottom side of the door body 10.

  In addition, it replaces with the aspect which provided the combined release part 16 which performs lock release of the 1st lock lever 56 and the lock release of the 2nd lock lever 57 in the door body 10, and the release part which performs the lock release of the 1st lock lever 56 And a release portion for releasing the lock of the second lock lever 57 may be provided. For example, a release portion that unlocks the first lock lever 56 is provided on one side of the engagement portion 14 in the door width direction, and the second lock lever 57 is unlocked on the other side of the engagement portion 14 in the door width direction. It is good also as an aspect which provided the cancellation | release part to perform. In this case, the lengths of the first lock lever 56 and the second lock lever 57 may be appropriately changed. Further, the release portion 16 of the door body 10, the locked portions 33 and 34 of the switching portion 31, the first lock mechanism (lever) 56, and the second lock mechanism (lever) 57 are not limited to the above-described examples, and various modifications are possible. Is possible.

The 3rd lock mechanism 47 and the 4th lock mechanism 48 are provided in the switching part 31, as shown in FIG.4 and FIG.5 (b).
The third lock mechanism 47 and the fourth lock mechanism 48 are engaged with the locked portion 15 provided in the door body 10 and a load is applied to the first runner 41 side or the second runner 44 side ( Lock portions 47b and 48b for maintaining the load switching state) are provided. Further, on the first end portion 21 side and the second end portion 22 side of the rail unit 20, the lock portions 47 b and 48 b of the third lock mechanism 47 and the fourth lock mechanism 48 with respect to the locked portion 15 of the door body 10 are provided. Release portions 51 and 51A for releasing the engagement are provided.
Further, the third locking mechanism 47 provided on the second end 22 side of the switching unit 31 and the fourth locking mechanism 48 provided on the first end 21 side are symmetrical (the guide part of the switching unit 31). The line is symmetrical with the longitudinal center line of 32 as the axis of symmetry.

In the present embodiment, each of the third lock mechanism 47 and the fourth lock mechanism 48 is rotatably held around the shafts 37 and 38 along the door thickness direction with respect to the switching unit 31 and is formed into a lever shape. A lock lever 47 and a fourth lock lever 48 are provided.
The third lock lever 47 and the fourth lock lever 48 are provided on the other side of the switching portion 31 in the door thickness direction, and are elongated in the longitudinal direction of the guide portion 32. In addition, lock shafts 37 and 38 provided in a pair on the upper side portion of the longitudinal center of the guide portion 32 are provided at the ends of the third lock lever 47 and the fourth lock lever 48 on the longitudinal side. Bearing holes 47a and 48a to be inserted are provided. The lock shaft 37 of the third lock lever 47 is provided closer to the second end 22 side than the longitudinal center line of the guide portion 32, and the lock shaft 38 of the fourth lock lever 48 is aligned with the longitudinal center line of the guide portion 32. Rather than the first end 21 side. The third lock lever 47 and the fourth lock lever 48 may be provided with a shaft portion and the switching portion 31 may be provided with a bearing hole.

  The third lock lever 47 and the fourth lock lever 48 are provided with lock portions 47b and 48b in the middle in the longitudinal direction, and are released to the release portions 51A and 51 at the end portion (free end portion) on the remote side in the longitudinal direction. The released portions 47e and 48e to be released are provided. In the present embodiment, the lock portions 47b and 48b are formed in a concave shape provided in a cutout shape so as to open toward one side and the lower side in the door thickness direction. Further, these lock portions 47b and 48b are elongated in the longitudinal direction of the third lock lever 47 and the fourth lock lever 48, and generally face the surface facing one side in the door thickness direction, the surface facing the lower side, and the longitudinal direction. The example divided by the surface which faces in the direction along is shown. These lock portions 47b and 48b are arranged in such a way that the door body 10 is longer than the switching portion 31 (holding tool 30) so that the first lock lever 56 or the second lock lever 57 can be released. It is formed so as to be slightly movable in the direction. The dimensions of the lock portions 47b and 48b that can be moved with respect to the switching portion 31 of the door 10 in the locked state are appropriate so that the first lock lever 56 or the second lock lever 57 is released in the locked state. What is necessary is just to set it as a dimension, for example, it is good also as about 5 mm-20 mm.

Further, as shown in FIGS. 5 (b) and 10 (b), these lock portions 47b and 48b are provided so as to be superposed with each other at both ends in the longitudinal direction of the guide portion 32 in the door thickness direction. ing.
In addition, the surfaces of the lock portions 47b and 48b facing the remote end portions are release guide surfaces 47c and 48c that are inclined toward each other toward the lower side.
The release guide surface 47c of the third lock lever 47 has an inclined surface shape that faces obliquely downward on the second end 22 side, and is stopped at the middle position by the first lock lever 56 and is assisted to the fully open position side. 10 is provided to allow movement to the closed position side.
The release guide surface 48c of the fourth lock lever 48 is formed into an inclined surface facing obliquely downward on the first end 21 side, and is stopped at the middle position by the second lock lever 57 and is assisted by the closed position side. 10 is provided to allow movement toward the fully open position.
Moreover, the to-be-released parts 47e and 48e are made into the protruding piece shape which protrudes toward the door thickness direction other side of the 3rd lock lever 47 and the 4th lock lever 48. As shown in FIG. In addition, the to-be-released portions 47e and 48e are inclined so that the flat pieces parallel to the longitudinal direction of the lock levers 47 and 48 and the flat pieces are inclined upward from the flat pieces. It is set as the structure provided with the one part. The flat pieces of the released portions 47e and 48e are provided so as to overlap with the lock portions 47b and 48b in the door thickness direction.

In addition, although not shown, the switching unit 31 is provided with a biasing member that biases the third lock lever 47 and the fourth lock lever 48 toward the lock side. The urging members of the third lock lever 47 and the fourth lock lever 48 may be any member that urges the free end portions thereof downward, for example, around the lock shafts 37 and 38. It is good also as a torsion spring and an appropriate coil spring.
Further, the switching portion 31 is provided with stopper portions 35 and 36 for suppressing further rotation of the third lock lever 47 and the fourth lock lever 48 biased by the biasing member to the lock side. In the present embodiment, the third lock stopper portion 35 that suppresses the rotation of the third lock lever 47 and the fourth lock stopper portion 36 that suppresses the rotation of the fourth lock lever 48 are arranged on both sides in the longitudinal direction of the guide portion 32. It is provided in pairs so as to be positioned. Moreover, these 3rd lock stopper parts 35 and the 4th lock stopper part 36 are made into the pin shape which protrudes toward the door thickness direction other side (refer FIG. 4). Further, the third lock stopper portion 35 is provided substantially coaxially with the second locked portion 34 provided at the end portion of the switching portion 31 on the second end portion 22 side, and the fourth lock stopper portion 36 is provided with the switching portion. 31 is configured to be provided substantially coaxially with the first locked portion 33 provided at the end portion on the first end portion 21 side.

The third lock lever 47 and the fourth lock lever 48 are provided with contact piece portions 47d and 48d that are in contact with the third lock stopper portion 35 and the fourth lock stopper portion 36, respectively. The contact pieces 47d and 48d are provided at the free ends of the third lock lever 47 and the fourth lock lever 48 so as to protrude toward one side in the door thickness direction.
The third lock lever 47 and the fourth lock lever 48 are not biased toward the lock side, and the third lock lever 47 and the fourth lock lever 48 are biased toward the lock side by their own weight. It is good also as what is done.

The locked portion 15 of the door body 10 locked by the third lock lever 47 and the fourth lock lever 48 protrudes toward the other side in the door thickness direction as shown in FIG. It is made into the pin shape inserted in the parts 47b and 48b. In the present embodiment, the locked portion 15 is used for both the third lock lever 47 and the fourth lock lever 48. In addition, the locked portion 15 is provided on the connection base portion 13 provided at the upper end portion of the end portion (door end side end portion) of the door body 10 in the door width direction. In addition, the locked portion 15 is provided substantially coaxially with the shaft-like engaging portion 14 provided on the connecting base portion 13.
The above-described release guide surfaces 47c and 48c are provided so as to allow the movement of the locked portion 15. A similar locked portion 15 is also provided at the door bottom side end of the door body 10.

  The release portions 51A and 51 for releasing the locks of the third lock lever 47 and the fourth lock lever 48 have a pin shape along the axial direction in the door thickness direction. In the present embodiment, as shown in FIG. 10B, the second lock unit 50A is provided with a third lock release portion 51A for releasing the lock of the third lock lever 47. Further, as shown in FIG. 5B, the first lock unit 50 is provided with a fourth lock release portion 51 that releases the lock of the fourth lock lever 48. The third lock release portion 51A and the fourth lock release portion 51 are provided with door thicknesses of the lock units 50A and 50 provided to be located on the other side in the door thickness direction of the third lock lever 47 and the fourth lock lever 48, respectively. It is provided in the plate-like part on the other side in the direction so as to protrude toward one side in the door thickness direction (see FIG. 4).

  In the above-described example, the locked portion 15 of the door body 10 is an example in which the locked portion 15 is locked to each of the third lock lever 47 and the fourth lock lever 48, but is individually locked. A pair of locked portions 15 may be provided. Also, the locked portion 15 of the door 10, the release portions 51 and 51 </ b> A provided on the first end 21 side and the second end 22 side of the rail unit 20, the third lock mechanism (lever) 47 and the first The 4 lock mechanism (lever) 48 is not limited to the above example, and various modifications are possible.

Next, an example of the opening / closing operation | movement of the door 10 of the sliding door apparatus 1 set as the said structure is demonstrated with reference to FIGS.
As shown in FIG. 5A, the holder 30, which is located on the first end 21 side of the rail unit 20 in the closed position of the door body 10, is connected to the second end 22 of the rail unit 20 by the first lock lever 56. The movement to the side is suppressed. That is, the holder 30 is engaged so that the first locked portion 33 of the switching portion 31 is received by the lock portion 56b of the first lock lever 56, and the movement toward the second end portion 22 side is suppressed. It is.

  Moreover, as shown in FIG.5 (b), the door 10 made into the closed position guides the switching part 31 of the holder 30 by which the movement to the 2nd end part 22 side was suppressed as mentioned above. It is a state that can move toward the state where a load is applied to the first runner 41 side along the portion 32. That is, when the door 10 is in the closed position, the flat piece of the released portion 48e of the fourth lock lever 48 is held so as to ride on the fourth unlocking portion 51 of the first lock unit 50, and the lock portion 48b is held in the door. The lock is released by being positioned above the ten locked portions 15. Thus, even in a state where the fourth lock lever 48 is unlocked, in the closed position, the guide portion 32 is in an uphill shape from the second runner 44 side toward the first runner 41 side as described above. The state where the load is applied to the second runner 44 side is maintained. Further, in this state, the contact piece 47d of the third lock lever 47 is held in contact with the third lock stopper portion 35 of the switching portion 31, and the lock portion 47b is viewed in the door thickness direction and the second portion of the guide portion 32 is held. It is located so as to overlap the end on the two end 22 side, and is in a lockable state.

  As described above, when the door 10 in the closed position is moved to the open side, as shown in FIGS. 5A and 6A, the release portion 16 of the door 10 is the first lock lever. It moves while approaching or abutting along the lower side of 56. Further, as shown in FIGS. 5B and 6B, the locked portion 15 of the door body 10 moves while approaching or abutting along the lower side of the fourth lock lever 48 and the third lock lever 47. To do. At this time, the locked portion 15 of the door 10 moves so as to push up the free end portion side of the third lock lever 47 in the lockable state against the urging force of the urging member of the third lock lever 47. To do. As shown in FIG. 7B, when the locked portion 15 of the door 10 reaches the lock portion 47b of the third lock lever 47, the third lock lever 47 biased by the biasing member is locked. , The locked portion 15 engages with the lock portion 47b, and the third lock lever 47 is locked. Thereby, the state by which the load was applied to the 1st runner 41 side is maintained.

Further, if the door 10 is stopped when the third lock lever 47 is in the locked state in this way, the first lock lever 56 is in the locked state as shown in FIG. The movement of the body 10 toward the fully opened position can be suppressed. That is, the door 10 that is loaded on the first runner 41 side and assisted to the fully open position side can be stopped at the midway position (see also FIG. 1B and FIG. 2A). In other words, in this state, a part of the opening 9 is partially opened. In addition, in this way, a mark serving as a guideline for stopping the door 10 at an intermediate position may be provided at an appropriate position, or a mechanism for imparting a moderation feeling may be provided.
If the door 10 is moved toward the closed position in this state, the third lock lever 47 is rotated to the unlocking side by the locked portion 15 that moves to the closing side while contacting the release guide surface 47c. Then, the lock is released, and the door 10 can be moved to the closed position side.

  Further, if the door 10 is slightly moved further to the open side after the third lock lever 47 is locked, the released portion 56d of the first lock lever 56 is moved as shown in FIG. The released portion 56d is pushed up to the release portion 16 of the door 10 by the guide action of the inclined surface, and the first lock lever 56 rotates to the lock release side. That is, the first lock lever 56 rotates around the shaft portion 52 against the urging force of the urging member 55 so that the lock portion 56b moves downward, and the first lock lever 56 moves relative to the first locked portion 33 of the holder 30. The lock of the lock part 56b is released. Thereby, as shown to Fig.9 (a), (b), the movement to the 2nd end part 22 side of the holder 30 located in the 1st end part 21 side is attained. In addition, since the load is applied to the first runner 41 side, the holder 30 and the door body 10 are assisted toward the second end 22 side (open side) so as to descend the first rail 23. (Self-propelled). Further, when the door 10 moves to the open side in this way, the released portion 48e of the fourth lock lever 48 is separated from the fourth lock release portion 51 of the first lock unit 50. Thereby, the contact piece 48d of the fourth lock lever 48 is held in contact with the fourth lock stopper portion 36 of the switching portion 31, and the lock portion 48b is viewed in the door thickness direction and the first end portion of the guide portion 32. It is positioned so as to overlap the end portion on the 21st side, and can be locked.

  Further, if the holding device 30 reaches the vicinity of the second end portion 22 with further movement of the door 10 to the open side (self-propelled), the illustration is omitted, but the second locked portion of the holding device 30 is not shown. The portion 34 moves while approaching or abutting along the upper side of the second lock lever 57. Further, the second locked portion 34 of the holder 30 moves while pushing down the portion of the second lock lever 57 on the side of the lock portion 57b against the urging force of the urging member 55, so that the door 10 can be in the fully open position. For example, the second locked portion 34 of the holder 30 engages with the lock portion 57 b of the second lock lever 57. That is, when the second locked portion 34 of the holder 30 reaches the lock portion 57b of the second lock lever 57, the second lock lever 57 rotates to the lock side by the urging member 55, as shown in FIG. Thus, the locked state is established. Thereby, the movement to the 1st end part 21 side of the holder 30 located in the 2nd end part 22 side is suppressed.

If the door 30 is moved to the open side (self-propelled) and the holder 30 reaches the vicinity of the second end portion 22, the inclined piece portion of the released portion 47 e of the third lock lever 47 is It contacts the third unlocking part 51A. And it rotates so that the free end part of the 3rd lock lever 47 may be pushed up by the 3rd lock release part 51A by the guide effect | action of the inclination piece part of this to-be-released part 47e. Further, when the door 10 is in the fully open position, as shown in FIG. 10B, the flat piece of the released portion 47e is held by the third unlocking portion 51A, and the lock 47b is covered by the door 10. It is located on the upper side of the lock portion 15 and the third lock lever 47 is unlocked. Thus, even in the state where the third lock lever 47 is unlocked, in the fully open position, as described above, the guide portion 32 has an uphill shape from the first runner 41 side toward the second runner 44 side. The state where the load is applied to the first runner 41 side is maintained.
In addition, the door 10 that is in the fully open position in this way is second along the guide portion 32 with respect to the switching portion 31 of the holder 30 whose movement toward the first end portion 21 side is suppressed as described above. It is a state which can move toward the state which applies a load to the runner 44 side.

In addition, when the door 10 that is in the fully open position is moved to the closing side in this manner, the locked portion 15 moves in accordance with the movement of the door 10, and the locked portion 15 is locked to the locking portion 48b. And the fourth lock lever 48 is locked. Thereby, the state by which the load was applied to the 2nd runner 44 side is maintained. Similarly to the above, if the door 10 is stopped when the fourth lock lever 48 is in the locked state, the second lock lever 57 is in the locked state, so that the door 10 is moved toward the closed position. Can be deterred. That is, the door 10 that is loaded on the second runner 44 side and assisted on the closed position side can be stopped at a midway position. If the door body 10 is moved toward the fully open position in this state, the fourth lock lever 48 is rotated to the unlock side by the guide action of the release guide surface 48c and unlocked, as described above, and the door body 10 is unlocked. Can be moved toward the fully open position.
If the door 10 is further moved slightly to the closed side after the fourth lock lever 48 is locked, the second locked portion of the holder 30 is moved by the movement of the release portion 16 in the same manner as described above. 34, the lock portion 57b of the second lock lever 57 is unlocked. Thereby, movement to the 1st end part 21 side of holder 30 located in the 2nd end part 22 side is attained. In addition, since the load is applied to the second runner 44 side, the holder 30 and the door body 10 are assisted toward the first end portion 21 side (closed side) so as to descend the second rail 26. (Self-propelled). Further, if the door 10 moves to the closing side in this manner, the third lock lever 47 is separated from the third lock release portion 51A and can be locked in the same manner as described above.

Moreover, if the holding | maintenance tool 30 arrives at the 1st end part 21 vicinity with the movement to the closed side (self-propelled) of the door body 10, the 1st to-be-locked part 33 of the holding | maintenance tool 30 will be substantially the same as the above. Engage with the lock portion 56 b of the first lock lever 56. That is, the 1st lock lever 56 will be in a locked state, and the movement to the 2nd end part 22 side of the holder 30 located in the 1st end part 21 side is suppressed.
In addition, when the door 30 is moved (self-propelled) to the closed side in this way and the holder 30 reaches the vicinity of the first end 21, the portion to be released 48 e of the fourth lock lever 48 is substantially the same as described above. The inclined piece comes into contact with the fourth unlocking part 51, and the lock of the fourth lock lever 48 is released.
The release guide surfaces 47c and 48c also function as release parts for releasing the engagement of the lock parts 47b and 48b with the locked part 15 of the door 10, and the released parts 47e and 48e and the lock release parts 51 and 51A. May not be provided.

The sliding door device 1 according to the present embodiment is configured as described above, so that the door 10 can be stopped at a midway position while at least assisting the traveling of the door 10 to one side. .
That is, the assist mechanism 2 that assists the traveling of the door body 10 toward the first position, which is at least one of the fully open position and the closed position, is provided. Therefore, when the door 10 is slid to the first position side, the travel of the door 10 can be assisted, and the burden on the operator can be reduced.
Moreover, it is set as the structure provided with the stopper mechanism (1st lock lever and 2nd lock lever) 56,57 which stops the door 10 in the middle position so that it can cancel | release in order to resist the assistance of this assistance mechanism 2. FIG. Therefore, the door body 10 whose travel is assisted to the first position side can be stopped at a midway position, and can be in a so-called half-open state. Accordingly, there is a case where it is often desired to ventilate, to ask about the state or sign of a space such as a partitioned private room, or to take a glimpse, and the sliding door device 1 that opens and closes the opening 9 of a private room such as a medical facility or welfare facility. Also suitable.

  In the present embodiment, the stopper mechanism (first lock lever and second lock lever) 56 and 57 is released by moving the door 10 stopped at the midway position toward the first position. It is said. Therefore, if the door 10 is moved toward the first position and the stop is released, the assist mechanism 2 can assist the traveling of the door 10 toward the first position. Thereby, for example, the usability can be improved as compared with the case where the operation unit for releasing the stop by the stopper mechanisms 56 and 57 needs to be manually operated.

  Further, in the present embodiment, the assist mechanism 2 is configured to allow movement of the door body 10 stopped at a midway position to a second position side that is different from the first position side. Therefore, the door body 10 stopped in the middle position can be moved to the second position side which is a side different from the side assisted by the assist mechanism 2. Thereby, for example, usability can be improved compared to the case where the assisting mechanism 2 is configured to lock the door 10 to the second position so as not to move.

  Further, in the present embodiment, the assisting mechanism 2 is provided at the rails 23 and 26 having a downward slope from the second position side to the first position side, and at the second position side ends of the rails 23 and 26. It is set as the structure provided with the uphill guide part (guide part) 32 which guides so that the door 10 may be raised toward 1 position side. Accordingly, as described above, if the door 10 is slid along the guide portion 32, the runners 41 and 44 run down the rails 23 and 26, and the first position side is reached. The traveling of the door body 10 can be assisted. As a result, for example, the structure of the rails 23 and 26 that are relatively long is simplified compared to a structure in which a driving mechanism such as a rack and gears and a spring spring, a mechanism that tilts the rail itself, and the like is provided as an assisting mechanism. It is possible to improve durability and mountability.

  In the present embodiment, the runners 41, 44, 41, 44 are connected in pairs to the both ends of the door width direction of the door body 10, and the rails 23, 26, 23, 26 of the assisting mechanism 2 are connected to each other. The pair of runners 41, 44, 41, 44 are provided in a pair so as to guide each of them. Therefore, it is possible to stably guide and assist the traveling of the door body 10. Moreover, the guide parts 32 and 32 of the assist mechanism 2 are provided in a pair so as to guide both ends of the door 10 in the door width direction. Therefore, it can guide stably also when sliding so that the door 10 may be raised.

In the present embodiment, the assist mechanism 2 is configured to assist the traveling of the door body 10 on both the fully open position side and the closed position side. Therefore, when the door 10 is slid to both sides of the fully open position side and the closed position side, the traveling of the door body 10 can be assisted, and the burden on the operator can be reduced.
Further, the first rail 23 and the second rail 26 are configured to be inclined on the opposite sides. In addition, a switching mechanism that can switch the runners 41 and 44 of the holding tool 30 that holds the door body 10 between a state in which the run assists in the direction to descend the first rail 23 and a state in which the travel assists in the direction to descend the second rail 26 ( The switching unit) 31 is provided. Therefore, when the door 10 is traveled along the longitudinal direction of the rails 23 and 26 with a simple configuration, it can be assisted by the inclination of the rails 23 and 26, that is, it can be traveled semi-automatically. Can do.

In addition, it is good also as a structure which provided the connection member which connects a pair of holders 30 and 30 of the door width direction both ends of the door body 10 with each other. In this case, a single first lock lever 56 and a single second lock that suppress the movement of each switching unit 31, 31 when moving the door body 10 to move the center of gravity of each holder 30, 30. The lock lever 57 may be provided. That is, as a configuration in which the single first lock lever 56 can suppress the movement of each switching unit 31, 31 when moving the door body 10 in a state where a load is applied to the first runner 41, 41 side. Also good. Further, the single second lock lever 57 can suppress the movement of the switching units 31 and 31 when the door 10 is moved in a state where a load is applied to the second runners 44 and 44. Good.
Moreover, it is good also as a structure which provided the runner guided to the horizontal rail distribute | arranged so that one holder connected with the door width direction both ends of the door body 10 might extend in a horizontal direction.
Moreover, it is good also as a structure which provided the buffer mechanism which decelerates the door 10 which moves to at least one side of a closed position and a full open position, and rebounds and a shock is eased.

Moreover, in this embodiment, the door width direction both ends of the door 10 are connected with a pair of holders 30 and 30, and the example which provided the two rail units 20 and 20 in series in the door width direction is shown. However, it is not limited to such a mode. For example, it is good also as an aspect which connected the upper end part of the door body 10 to the three or more holders 30, and provided the three or more rail units 20 in series in the door width direction. Furthermore, it replaces with the aspect which provided the holder 30 which hold | maintains several places of the door body 10 in this way, and provided the several rail unit 20 in series in the door width direction, and is the center part of the door width direction of the door body 10. It is good also as an aspect which provided the holder 30 which hold | maintains single places, such as, and provided the single rail unit 20. FIG.
In the present embodiment, the rail unit 20 is fixed to the upper frame 4. However, the rail unit 20 may be fixed to the ceiling surface or the like, or may be fixed to the ceiling in an embedded manner. Also good.
In the present embodiment, a pair of first rails 23, 23 are provided on both sides in the width direction of the single second rail 26, and a pair of first runners 41, 41 guided by these are provided in the holder 30. Although the example made into the structure is shown, it is not restricted to such an aspect. Conversely, a pair of second rails 26 may be provided on both sides in the width direction of the single first rail 23, and a pair of second runners 44 guided by these may be provided in the holder 30. Alternatively, a single first rail 23 and a single second rail 26 may be provided, and the runners 41 and 44 guided by these may be provided in the holder 30. Further, in the present embodiment, an example in which the first rail 23 and the second rail 26 are provided in parallel in the width direction is shown, but a configuration in which these are provided in parallel in the vertical direction is also possible. Good.

In the present embodiment, the lock mechanism 56, 57, 47, 48 is locked and unlocked with the movement of the door body 10. However, the present embodiment is limited to such a mode. Absent. Some or all of the lock mechanisms 56, 57, 47, and 48 may be configured to be locked and unlocked by an appropriate operation unit or the like. Furthermore, without providing a part of such lock mechanisms 56, 57, 47, 48, the movement of the switching unit 31 is suppressed by an appropriate lock member, human power, etc., and the load is applied to each runner 41, 44 side. It is good also as a structure by which the state overlaid is maintained.
Moreover, in this embodiment, although the example which provided the 1st runner 41 and the 2nd runner 44 at intervals in the rail longitudinal direction of the holder 30 is shown, it is not restricted to such an aspect. For example, it is good also as a structure which provided the 1st runner 41 and the 2nd runner 44 at intervals in the rail width direction of the holder 30. FIG. In this case, the switching unit 31 is configured to hold the door 10 so as to be slidable in the rail width direction, and the door 10 is moved in the rail width direction with respect to the switching unit 31, as described above. A configuration in which the center of gravity is moved may be employed.
Moreover, when the 1st runner 41 goes down the 1st rail 23 and the 2nd runner 44 goes down the 2nd rail 26, it is not restricted to what the door body 10 self-propels, It is good also as what needs human power assistance. .

In the present embodiment, the first rail 23 and the second rail 26 that are inclined in opposite directions to each other, and a switching mechanism (switching unit) 31 are provided, and the door body 10 on both the fully open position side and the closed position side. However, the present invention is not limited to this mode. For example, a driving mechanism such as a rack and gears or a spring spring, a mechanism for tilting the rail itself, and the like may be provided as an assisting mechanism. In this case, the stopper mechanisms 56, 57, etc. may be appropriately modified.
Moreover, in this embodiment, the stopper mechanism (first lock mechanism) 56 that stops the door body 10 that is assisted toward the fully open position side at the middle position and the door body 10 that is assisted toward the closed position side are located at the middle position. Although the example which provided the stopper mechanism (2nd lock mechanism) 57 stopped in is shown, it is good also as an aspect which provided only one side of these.

Moreover, in this embodiment, it was set as the structure by which the driving | running | working assistance of the door body 10 is made | formed by the both sides of a full open position side and a closed position side, but the 1st which becomes any one side of a full open position side and a closed position side. It is good also as a structure by which only the assistance of the driving | running | working to a position side is made | formed. In this case, instead of the switching portion 31 being displaced and the inclination of the guide portion 32 being reversed, the upper side of the rail sloped so as to descend toward the first position side toward the side assisting travel ( It is good also as a structure which provided the uphill guide part which guides so that the door 10 may be raised toward the 1st position side integrally with the edge part of the (2nd position side). Further, the assisting mechanism 2 is not limited to such an aspect in which the rail is inclined, and is provided with a spring such as a spring or a tension spring in which one end is fixed to the rail and the other end is fixed to the door body 10. In addition, various other modifications are possible.
Further, the stopper mechanisms 56 and 57 that stop the door 10 in a reversible manner against the assistance of the assistance mechanism 2 are not limited to those that are stopped at one place in the middle, but can be stopped at a plurality of places. It is good also as what you did. Furthermore, the door 10 may be configured to be able to stop at an arbitrary position. Further, the stopper mechanisms 56 and 57 are not limited to the above-described lock lever-like ones that can be freely rotated. It is good also as what stops, etc. In addition, various deformation | transformation are possible.

DESCRIPTION OF SYMBOLS 1 Sliding door apparatus 2 Assistance mechanism 10 Door body 23 1st rail 26 2nd rail 32 Guide part (uphill guide part)
41 1st runner 44 2nd runner 56 1st lock lever (stopper mechanism)
57 Second lock lever (stopper mechanism)
9 Opening

Claims (6)

A door that is slidable and opens and closes the opening,
An assist mechanism for assisting the travel of the door body to the first position side which is at least one of the fully open position side and the closed position side;
A stopper mechanism for releasably stopping the door body in a half-open state during traveling to the first position side against the assistance of the assistance mechanism;
A sliding door device characterized by comprising: In claim 1,
The sliding door device, wherein the first position side is the fully open position side. In claim 1 or 2,
The stopper mechanism is configured to be released when the door body stopped in the half-open state is moved toward the first position side during the travel to the first position side. Sliding door device. In any one of Claims 1 thru | or 3,
The assist mechanism is configured to allow movement of the door, which is stopped in the half-open state during the travel to the first position side, to a second position side that is different from the first position side. A sliding door device. In any one of Claims 1 thru | or 4,
The assist mechanism has a downward slope from the second position side, which is a side different from the first position side, toward the first position side so as to guide and assist the runner connected to the door body. And the end of the rail on the second position side has an upward slope toward the first position, and the engagement portion of the door body is slidably engaged with the door body. A sliding door device, characterized by comprising an uphill guide section that guides the vehicle so as to rise. In claim 5,
The runners are connected in pairs to each of the door width direction both ends of the door body,
The assist mechanism is configured such that the rail that guides each of the pair of runners and the uphill guide portions that guide both ends of the door in the door width direction are connected in series in the door width direction of the door. A sliding door device characterized in that it is configured to be paired so as to be in a shape.

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