JP6238196B2 - Sliding door device - Google Patents

Description

  The present invention relates to a sliding door device including a plurality of door panels.

2. Description of the Related Art Conventionally, there is known a sliding door having three doors arranged in a sliding manner so as to overlap in the door thickness direction and slidably moved along the door width direction so as to interlock with each other.
For example, in the following patent document 1 and the following patent document 2, three doors are provided when a digging-type handle is provided at each end of the doors on both sides of the door thickness direction and the doors are opened and opened. A sliding door configured to completely overlap in the thickness direction is disclosed. In such a sliding door, in order to completely polymerize the three doors in the thickness direction when fully opened, there is a problem in that it is difficult to perform an opening / closing operation because it is necessary to dig a handle.
On the other hand, the following Patent Document 3 discloses a sliding door provided with convex handles on both sides in the door thickness direction of the end portions of the doors on both sides of the door thickness direction. In addition, when the sliding door is fully opened, the doors on both sides of the door thickness direction are over the predetermined positions of the doors on both sides of the door thickness direction so that convex doors are provided in the unpolymerized portion that does not overlap with the central door. In this configuration, a stopper is provided to prevent movement. Moreover, it is set as the structure which made the stopper of each door of the door thickness direction both side protrude in the groove part which each supports the door of the door thickness direction of the lower support part which provided the groove which supports each door.

JP 2009-91756 A JP 2012-57372 A JP 2000-104451 A

  However, the sliding door described in Patent Document 3 has a configuration in which stoppers are provided to protrude from the lower support portion. Therefore, it is conceivable that the stoppers are easily noticeable and obstructive. Further, preventing the door on one side in the thickness direction from moving beyond a predetermined position to one vertical frame side of the door on the other side in the thickness direction in a state where the door on the one side in the thickness direction is brought into full contact with the one vertical frame. It is possible. However, in the state where each door is located at an intermediate position such as the center side of the opening, it has been considered that the convex handle contacts the central door without being blocked by the stopper.

  The present invention has been made in view of the above circumstances, and improves the appearance while improving the opening and closing operability, and even when each door is located in the middle of the opening, etc. An object of the present invention is to provide a sliding door device capable of preventing contact between a handle of a door panel and a central door panel.

In order to achieve the above object, the sliding door device according to the present invention is arranged in a sliding manner so as to overlap in the thickness direction of the door, and is slidably moved along the door width direction so as to interlock with each other. A sliding door device provided with door panels, and a handle is provided on each of the door thickness direction sides of the door panels on both sides of the door thickness direction so as to protrude, and doors on both sides of the door thickness direction are provided. At the lower end of each panel, there are provided guide grooves for receiving the guide portions provided on both sides in the door thickness direction of the lower end portion of the center door panel. The guide portions on both sides of the central door panel are respectively arranged so that the handles protruding to the central side of the door panels on both sides in the thickness direction of the doors do not come into contact with the central door panel when fully opened. In contact with the inside Wherein for the door panel ToAtsu and abutments to prevent the movement of the respective open side of the opposite sides of the door panel is provided in each contact portion of the guide groove of the ToAtsu both sides of the door panel Is an inner wall faced to the side opposite to the opening / closing side provided as the groove end on the opening / closing side end side of each guide groove, and the groove ends on the side opposite to the opening / closing side of each guide groove are on both sides of the door thickness direction. It is characterized by being opened at the opposite end face of the door panel .

In the present invention, the three door panels may be supported by being suspended from the upper rail.
Further, in the present invention, the interlocking mechanism for interlocking the three door panels is wound around a rotating wheel provided rotatably at both ends of the central door panel in the door width direction, and these rotating wheels. The endless transmission body, the first connection portion that connects the endless transmission body and the door panel on one side in the door thickness direction, and the endless transmission body and the door panel on the other side in the door thickness direction are connected. It is good also as a thing provided with the 2nd connection part to do.

  The sliding door device according to the present invention is configured as described above, so that it improves the appearance while improving the opening and closing operability, and even when each door is located in the middle of the opening, etc. Contact between the handle of the door panel on both sides in the direction and the center door panel can be prevented.

(A), (b) has shown typically an example of the sliding door apparatus which concerns on one Embodiment of this invention, (a) was made to respond | correspond to the X1-X1 line arrow view in FIG.4 (b). A partially broken schematic transverse cross-sectional view with a part omitted, (b) is a partially broken schematic transverse cross-sectional view corresponding to (a). It is a partially broken schematic longitudinal cross-sectional view corresponding to the YY line arrow in FIG.4 (b). (A) is a partially broken schematic cross-sectional view in which a part corresponding to the X2-X2 line arrow in FIG. 4 (a) is omitted, and (b) is an X3-X3 line arrow in FIG. 4 (b). It is the partially broken schematic cross-sectional view which abbreviate | omitted the part corresponding to vision. (A), (b) is the partially broken schematic front view which abbreviate | omitted one part which shows typically the state which constructed the sliding door apparatus.

Embodiments of the present invention will be described below with reference to the drawings.
1-4 is a figure which shows typically an example of the sliding door apparatus which concerns on this embodiment.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
In the following embodiments, the direction and the like may be described with the front side as the front and the reverse side as the rear, with reference to the state facing the sliding door device from the V direction shown in FIG.

As shown in FIGS. 3 and 4, the sliding door device 1 according to the present embodiment is arranged so as to overlap in the door thickness direction, and is slid and moved along the door width direction so as to interlock with each other. The three door panels 10A, 10B, and 20 are provided. Moreover, in this embodiment, the sliding door apparatus 1 is arrange | positioned by the opening part 3 provided in the inner wall (wall body) 2 of buildings, such as a residence, and these three door panels 10A, 10B, and 20 are built. A door frame 30 is provided.
As shown in FIG. 4, the opening 3 has a substantially rectangular shape when viewed from the front, and its upper side is fixed to a horizontal member such as a horizontal rail or a lintel or the lower surface side of the horizontal member. It is partitioned by an upper frame base made of wood (spacer material) or the like. Moreover, the opening 3 has both sides of the opening width (door width) in the vertical frame on both the left and right sides, which are made of a pillar material such as a stud or a timber (spacer material) fixed inside the opening width direction of the pillar material. It is partitioned by the groundwork. In addition, the lower side of the opening 3 is partitioned by a flooring material or a floor base.

As shown in FIG. 4, the door frame 30 includes an upper frame 32 and vertical frames 31 </ b> A and 31 </ b> B on both sides disposed on both sides in the longitudinal direction of the upper frame 32.
The vertical frames 31A and 31B on both sides are composed of a first vertical frame 31A on the right side in the figure and a second vertical frame 31B on the left side in the figure. The vertical frames 31 </ b> A and 31 </ b> B on both sides have substantially the same configuration, have a length dimension corresponding to the opening height of the opening 3, and have a substantially strip shape.
Further, as shown in FIG. 3, the estimated dimensions of the vertical frames 31A and 31B on both sides (dimensions along the wall thickness direction of the inner wall 2) are formed larger than the wall thickness dimension of the inner wall 2, and The portion is arranged so as to protrude from the front and rear surfaces of the inner wall 2. In addition, on the inner side surfaces of the vertical frames 31A and 31B on both sides facing each other, a door drilling groove is provided along the longitudinal direction that opens in the direction facing each other and receives the door width direction ends of the door panels 10A and 10B. It has been.

The upper frame 32 has a substantially strip-like shape that is long along the opening width direction of the opening 3.
In the present embodiment, as shown in FIG. 2, an upper rail 33 that suspends and supports the door panels 10 </ b> A, 10 </ b> B, and 20 is provided on the upper frame 32.
The upper rail 33 has a configuration in which three rows of guide grooves 34A, 34B, 35 are provided in parallel at intervals in the wall thickness direction, corresponding to the movement trajectory of the door panels 10A, 10B, 20, respectively. . The first guide groove 34A on one side (front side) in the wall thickness direction suspends and supports the first door panel 10A on one side (front side) in the door thickness direction. The second guide groove 34B on the other side (rear side) in the wall thickness direction suspends and supports the second door panel 10B on the other side (rear side) in the door thickness direction. The central guide groove 35 between the first guide groove 34A and the second guide groove 34B supports the central central door panel 20 in a suspended manner.

  These guide grooves 34A, 34B, and 35 are partitioned by an upper plate portion and both side plate portions, and the longitudinal cross-sectional shape is substantially U-shaped (substantially U-shaped or substantially C-shaped) that opens downward. Yes. Moreover, the guide piece which protrudes in the direction which mutually faces is provided in the lower end edge part of the both-sides board part, respectively. By these both guide pieces, the rollers of the runner members 15A, 16A, 15B, 16B, 25, and 26 of the door panels 10A, 10B, and 20 described later are supported so as to roll along the longitudinal direction of the upper rail 33. . With such a configuration, the upper rail 33 is configured to suspend and support the door panels 10 </ b> A, 10 </ b> B, and 20 along the door width direction with respect to the upper rail 33.

In the present embodiment, the first guide groove 34A and the second guide groove 34B are provided at substantially the same height, and the central guide groove 35 is positioned above the first guide groove 34A and the second guide groove 34B. It is provided to do. In addition, a receiving groove 36 for receiving a later-described interlocking mechanism is provided below the central guide groove 35. The receiving groove 36 is provided between the first guide groove 34A and the second guide groove 34B in the prospective direction (the direction along the wall thickness direction of the inner wall 2).
The guide grooves 34A, 34B, 35 and the receiving groove 36 are provided over the entire length of the upper rail 33.
The upper frame 32 is provided with a groove having a downward opening for receiving the upper rail 33 over its entire length. In the example shown in the figure, a groove is provided in the upper frame 32 for receiving only the upper portion of the upper rail 33. However, a groove that receives substantially the entire upper rail 33 may be provided in the upper frame 32. .

The upper rail 33 may be integrally formed in the shape as described above, or may be configured by a plurality of members.
Further, the upper rail 33 may be fixed to the upper frame 32 with a stopper such as a screw or a nail, or an adhesive.
Further, the vertical frames 31A and 31B and the upper frame 32 on both sides are, for example, abutting the inner surfaces of the upper end portions of the vertical frames 31A and 31B on the respective end surfaces in the longitudinal direction of the upper frame 32, and the vertical frames 31A and 31B. The frame may be formed by screwing (or driving) the stopper into the upper frame 32 from the outer surface side of the frame.
4 shows an example in which a hanging wall is provided on the upper side of the upper frame 32, the upper frame 32 may be provided along the ceiling or may be provided so as to be embedded in the ceiling. Further, instead of the aspect in which the upper rail 33 is provided on the upper frame 32, the upper rail 33 itself may be directly fixed to the upper frame base or the like as described above. In this case, the vertical frames 31A and 31B may not be provided.

Each door panel 10A, 10B, 20 is substantially rectangular flat plate shape. As shown in FIG. 2, the height dimensions of these door panels 10A, 10B, and 20 are the dimensions from the vicinity of the floor surface to the vicinity of the upper rail 33, and are substantially the same as each other. Moreover, the door thickness dimensions of these door panels 10A, 10B, and 20 are, for example, about 20 mm to 40 mm, and are substantially the same size.
In the present embodiment, the door width dimensions of the door panels 10 </ b> A and 10 </ b> B on both sides in the door thickness direction are larger than the door width dimension of the central door panel 20. In this embodiment, the door width dimensions of the first door panel 10A and the second door panel 10B are substantially the same dimension, and the handles 12A, 13A, 12B, and 13B described later are provided in the door width dimension of the central door panel 20. The door width dimensions of the open / close side ends 11A and 11B are added to each other.
As shown in FIGS. 3A and 4A, the door width dimensions of the door panels 10A, 10B, and 20 are overlapped in the door thickness direction between the door panels adjacent to each other in the closed state. As such, it may be set as appropriate according to the opening width (the dimension between the vertical frames 31A and 31B).

The first door panel 10A and the second door panel 10B on both sides of the door thickness direction are handles 12A so as to protrude to both sides of the door thickness direction of the end portions (opening and closing side end portions) 11A and 11B on the side where the opening / closing operation is performed. , 13A, 12B, and 13B are provided. The opening / closing side end portions 11A and 11B of the first door panel 10A and the second door panel 10B are in the closed state (the state shown in FIGS. 3A and 4A), respectively, on the vertical frames 31A and 31B, respectively. It is the edge part of the door width direction of the side which adjoins or contacts.
Each handle 12A, 13A, 12B, 13B has a substantially similar configuration. The grips 12A, 13A, 12B, and 13B are configured to include pedestals that are respectively fixed to both sides (front and rear surfaces) in the door thickness direction of the door panels 10A and 10B. The grips 12A, 13A, 12B, and 13B each have a base that protrudes in the door thickness direction from the upper and lower ends of each pedestal, and a bar shape (bar shape) that has upper and lower ends connected to the upper and lower bases and extends in the vertical direction. And a grip portion.

Further, the center side handles 12A, 12B projecting toward the center side of the door panels 10A, 10B and the outer side handles 13A, 13B projecting outward (on the opposite wall side) substantially coincide with each other in the door width direction of the door panels 10A, 10B. It is provided in the position to do.
As shown in FIGS. 1 and 3, the grips of one door panel 10 </ b> A (10 </ b> B) are provided on the center side handles 12 </ b> A and 12 </ b> B of the door panels 10 </ b> A and 10 </ b> B. (14A) is provided so as to be overlapped when viewed in the door width direction. Moreover, in this embodiment, between the grip part of the center side handle 12A (12B) of one door panel 10A (10B) and the non-opening / closing side end surface 14B (14A) of the other door panel 10B (10A) in the fully opened state. A predetermined gap is formed along the door width direction. The predetermined gap is formed by contact between contact portions 19A and 19B and guide portions 24 and 22, which will be described later. Further, the predetermined gap may be a gap in which a finger can be inserted, and may be set as appropriate from the viewpoint of operability, the viewpoint of increasing the opening width of the entrance / exit 4 in the fully open state, It is good also as about 20 mm-100 mm.

Further, as shown in FIG. 3 (a), the gripping portions of the center side handles 12A and 12B of the door panels 10A and 10B are in the closed state between the adjacent vertical frames 31A and 31B. It is provided so as to form a predetermined gap along the width direction.
As shown in FIGS. 1 and 3, the outer handle 13A of the first door panel 10A on one side of the door thickness direction is the one-side end of each vertical frame 31A, 31B in the prospective direction (the direction along the same direction as the door thickness direction). It is provided so as to be located on the outer side (on the opposite wall center side) than the portion.
The outer handle 13B of the second door panel 10B on the other side in the door thickness direction is provided so as to be located on the outer side (on the opposite wall center side) than the end portion on the other side in the prospective direction of the vertical frames 31A and 31B.

  With the above-described configuration, the opening / closing operation can be easily performed on either the front side or the rear side of the inner wall 2, or on either the right side or the left side. 3 (b) and 4 (b), an example in which the doorway 4 is formed on the second vertical frame 31B side in a fully opened state in which the door panels 10A, 10B, 20 are overlapped in the door thickness direction to the maximum. However, it is also possible to form the entrance / exit 4 on the first vertical frame 31A side. Further, in the fully opened state in which the door panels 10A, 10B, and 20 are superposed in the door thickness direction to the maximum, the door panels 10A, 10B, and 20 are placed at intermediate positions in the door width direction of the openings partitioned by the door frame 30. It can also be positioned.

In addition, runner members 15A, 16A, 15B, 16B, 25, and 26 supported by the upper rail 33 are connected and fixed to the upper ends of the door panels 10A, 10B, and 20. In the illustrated example, runner members 15A, 16A, 15B, 16B, 25, and 26 are provided at both ends in the door width direction at the upper ends of the door panels 10A, 10B, and 20, respectively. As such runner members 15A, 16A, 15B, 16B, 25, and 26, rollers that rotate around the horizontal axis and roll on both guide pieces of the guide grooves 34A, 34B, and 35 of the upper rail 33 are provided. It may be a thing. In the illustrated example, runner members 15A, 16A, 15B, 16B, 25, and 26 having a plurality of rollers in the door thickness direction and the door width direction are illustrated.
In addition, the runner member provided in the 1st guide groove 34A and the 2nd guide groove 34B of the upper rail 33 at the upper end part of the opening / closing side edge parts 11A and 11B of the closed first door panel 10A and the second door panel 10B You may make it provide the catch part which captures 15A and 15B.

Moreover, the sliding door apparatus 1 is provided with the interlock mechanism which slides the center door panel 20 in response to the sliding movement of any one of the 1st door panel 10A and the 2nd door panel 10B of the door thickness direction both sides.
In the present embodiment, this interlocking mechanism is provided with rotating wheels 27 and 27 that are rotatably provided at both ends in the door width direction of the central door panel 20, and an endless transmission wound around the rotating wheels 27 and 27. 28. The interlocking mechanism includes a first connecting portion 17A that connects the endless transmission body 28 and the first door panel 10A, a second connection portion 17B that connects the endless transmission body 28 and the second door panel 10B, and It is supposed to be equipped with. In the present embodiment, this interlocking mechanism is provided on the upper end side of the central door panel 20.

In the present embodiment, the rotary wheels 27 and 27 are pulleys (pulleys), and as shown in FIG. 2, the rotary wheels 27 and 27 are rotatable about rotary shafts 27a and 27a with the axial direction extending in the vertical direction. . These pulleys 27 and 27 are formed in a substantially disk shape having substantially the same diameter with the respective rotation shafts 27a and 27a as the center, and the outer periphery of the pulleys 27 and 27 is engaged with a wire 28 as an endless transmission. Grooves are formed along the circumferential direction.
Further, the pulleys 27 and 27 are provided so as to be respectively located below the runner members 25 and 26 provided at both ends in the door width direction of the central door panel 20, and the receiving grooves 36 of the upper rail 33 described above. (See FIG. 2). Further, in the illustrated example, the pulleys 27 and 27 are provided so that a part of each of the pulleys 27 and 27 protrudes outward from the door width direction both side end faces 21 and 23 of the central door panel 20 to the door width direction. Is shown. The pulleys 27 and 27 may be rotatably held by a pulley holding portion connected and fixed to the runner members 25 and 26.
The wire 28 is wound in parallel so that the pulleys 27 and 27 rotate in the same direction.

  As shown in FIGS. 2 and 3, the first connecting portion 17 </ b> A has a runner member 16 </ b> A and a wire provided at the upper end of the opposite end portion of the first door panel 10 </ b> A that is different from the opening / closing operation side. 28 are connected to each other. The first connecting portion 17A is connected to one side (front side) portion of the wire 28 wound around the pulleys 27 and 27 in the door thickness direction. Moreover, as shown in FIG.3 (b), the 1st connection part 17A is a wire so that it may be located in the 2nd vertical frame side edge part as a door width direction one side edge part of the center door panel 20 in a fully open state. 28. On the other hand, as shown in FIG. 3A, the first connecting portion 17 </ b> A is in a closed state so that the first connecting portion 17 </ b> A is positioned at the first vertical frame side end portion as the door width direction other end portion of the central door panel 20. 28.

  As shown in FIGS. 2 and 3, the second connecting portion 17 </ b> B includes a runner member 16 </ b> B and a wire provided at the upper end of the opposite end portion of the second door panel 10 </ b> B on the side different from the side where the opening / closing operation is performed. 28 are connected to each other. This 2nd connection part 17B is connected with the door thickness direction other side (rear side) site | part of the wire 28 wound around both pulleys 27 and 27. As shown in FIG. Moreover, the 2nd connection part 17B is connected with the wire 28 so that it may be located in the 2nd vertical frame side edge part of the center door panel 20 in a closed state, as shown to Fig.3 (a). On the other hand, as shown in FIG. 3B, the second connecting portion 17 </ b> B is connected to the wire 28 so as to be positioned at the first vertical frame side end portion of the central door panel 20 in the fully opened state.

The first connecting portion 17 </ b> A and the second connecting portion 17 </ b> B are fixed to the wire 28 so as not to move in the direction in which the wire 28 extends (door width direction). As a fixing mode of the first connecting portion 17A and the second connecting portion 17B and the wire 28, the connecting portions 17A and 17B are provided with fixing portions that hold the wire 28, or are fixed by welding or the like as appropriate. Or you may. Alternatively, it is assumed that the wire 28 is divided at the connection portion with each of the connecting portions 17A and 17B, and an appropriate retaining member or the like is fixed to the end portion of the separated wire, and a holding portion for holding the retaining member is provided. You may make it provide and fix to each connection part 17A, 17B.
Moreover, even if these 1st connection parts 17A and 2nd connection part 17B were integrally provided in runner members 16A and 16B of the non-opening-closing side edge part side of 1st door panel 10A and 2nd door panel 10B. Alternatively, it may be connected and fixed by an appropriate fastener or the like.

If either one of the 1st door panel 10A and the 2nd door panel 10B is slid by the above structures, each connection part 17A, 17B will be accompanied by rotation of both pulleys 27 and 27 of an interlocking mechanism. It moves with the wire 28 on the opposite side to each other in the door width direction. Accordingly, the central door panel 20 moves in the same direction at a movement speed that is approximately ½ of the movement speed of one of the first door panel 10A and the second door panel 10B. That is, the central door panel 20 moves approximately ½ in the same direction with respect to the movement amount of either the first door panel 10A or the second door panel 10B.
Note that the endless transmission is not limited to the wire 28, and may be another string-like body such as a belt or a ball chain. Further, the rotating wheel is not limited to the pulleys 27, 27, and may be another rotating wheel such as a gear (sprocket). In this case, the endless transmission may be a chain or the like according to the configuration of the rotating wheel.

  Moreover, the door panels 10A and 10B on both sides in the door thickness direction have guide portions 24 and 22 provided on both sides in the door thickness direction of the lower end portion of the central door panel 20 at the lower end portions thereof as shown in FIGS. Are provided with guide grooves 18A and 18B. Further, the central door panel 20 is configured such that a guide groove 29 for receiving the guide portion 38 is provided at the lower end portion. The guide grooves 18A, 18B, and 29 of the door panels 10A, 10B, and 20 are provided so as to open downward and extend along the door width direction. In the present embodiment, the guide portions 24, 22, and 38 are guide pins 24, 22, and 38 that are inserted (freely inserted) into the guide grooves 18A, 18B, and 29 of the door panels 10A, 10B, and 20, respectively.

  The guide pins 38 for guiding the lower end side of the central door panel 20 are provided on lower end guide members 37 provided at a plurality of locations so as to be located immediately below the movement locus of the central door panel 20. The lower end guide member 37 may be provided so that at least one of the lower end guide members 37 exists immediately below the central door panel 20 that moves in accordance with opening and closing. Further, in the present embodiment, the lower end guide member 37 is a magnet guide 37 that is disposed so as to be embedded in the floor, with a guide pin 38 provided with a magnet accommodated in a vertically movable manner. The guide groove 29 of the central door panel 20 is provided with a magnet, a magnetic body, or the like corresponding to the magnet guide 37. The central door panel 20 is guided at the lower end side by a guide pin 38 inserted in the guide groove 29, and the deflection in the door thickness direction is suppressed.

The guide pin 24 that guides the lower end side of the first door panel 10 </ b> A is fixed to the first vertical frame side end portion of the central door panel 20 via a connecting member. In the illustrated example, one piece of the L-shaped bracket-shaped connecting member is fixed to the surface (front surface) facing the door thickness direction one side (the first door panel 10A side) of the central door panel 20, and the other piece is upward. The example which provided the guide pin 24 so that it may protrude toward the direction is shown. The lower end side of the first door panel 10A is guided by the guide pin 24 inserted into the guide groove 18A, and the swing in the door thickness direction is suppressed.
The guide pin 22 for guiding the lower end side of the second door panel 10B is fixed to the second vertical frame side end portion of the central door panel 20 through the same connecting member. That is, one piece of the L-shaped bracket-shaped connecting member is fixed to the surface (rear surface) facing the other side (second door panel 10B side) of the central door panel 20 in the thickness direction, and directed upward to the other piece. A guide pin 22 is provided so as to protrude. The lower end side of the second door panel 10B is guided by the guide pin 22 inserted in the guide groove 18B, and the swing in the door thickness direction is suppressed.
3 and 4, the illustration of the magnet guide 37, the guide pins 22, 24, and their connecting members is omitted. Moreover, it is good also considering the guide part which guides the lower end side of door panel 10A, 10B of the door thickness direction both sides as a guide roller etc. which rotate around a vertical axis instead of the above guide pins 24,22.

Further, the guide grooves 18A and 18B of the door panels 10A and 10B on both sides of the door thickness direction are in contact with the guide pins 24 and 22 on both sides of the central door panel 20 as shown in FIG. Portions 19A and 19B are provided respectively. These abutting portions 19A and 19B have a door thickness with respect to the central door panel 20 so that the central handles 12A and 12B of the door panels 10A and 10B on both sides in the door thickness direction do not come into contact with the central door panel 20 when fully opened. The door panels 10A and 10B on both sides in the direction are provided so as to prevent movement to the open side.
That is, the abutment portion 19A of the first door panel 10A and the guide pin 24 on the first door panel 10A side of the central door panel 20 abut on the vertical frame 31A on the side facing the opening / closing side end portion 11A. Movement of the first door panel 10A toward the central door panel 20 toward the vertical frame 31B on the different side is prevented. In addition, the abutment portion 19B of the second door panel 10B and the guide pin 22 on the second door panel 10B side of the central door panel 20 come into contact with each other, so that the vertical frame 31B on the side facing the opening / closing side end portion 11B is Movement of the second door panel 10B to the central door panel 20 toward the vertical frame 31A on the different side is prevented.

In this embodiment, in the fully opened state, the door opening / closing side end surfaces 14A, 14B of the door panels 10A, 10B on both sides in the door thickness direction are wider than the door width direction end surfaces 21, 23 of the central door panel 20 on the adjacent side. It is set as the structure by which the movement to the said open side is blocked | prevented so that it may not be located in a direction outward side.
Further, in the present embodiment, in the fully opened state, the opposite end face 14A of the first door panel 10A and the second vertical frame side end face 21 as the one end face in the door width direction of the central door panel 20 are substantially matched in the door width direction. In this way, the first door panel 10A is prevented from moving to the open side. That is, when the first door panel 10 </ b> A overlaps with the central door panel 20 in the maximum thickness direction and is fully opened, the counter opening side end surface 14 </ b> A and the second vertical frame side end surface 21 of the central door panel 20 are The movement toward the open side with respect to the central door panel 20 is prevented at a position that is substantially coplanar. Further, in the present embodiment, in the fully opened state, the opposite end surface 14B of the second door panel 10B and the first vertical frame side end surface 23 as the other end surface in the door width direction of the central door panel 20 are substantially coincided with each other in the door width direction. It is set as the structure by which the movement to the said open side of the 2nd door panel 10B is blocked | prevented so that it may make it. That is, when the second door panel 10B is fully opened by overlapping with the central door panel 20 in the maximum door thickness direction, the opposite opening / closing side end face 14B and the first vertical frame side end face 23 of the central door panel 20 are formed. The movement toward the open side with respect to the central door panel 20 is prevented at a position that is substantially coplanar.

That is, in this embodiment, the door width direction end faces 23 and 21 of the central door panel 20 on the side close to the gripping portions of the central handles 12A and 12B of the door panels 10A and 10B on both sides in the door thickness direction in the fully opened state. And a predetermined gap similar to the above along the door width direction is formed.
Moreover, in this embodiment, it is set as the structure which provided contact part 19A, 19B of door panel 10A, 10B of these door thickness direction both sides in the opening-and-closing side edge part 11A, 11B vicinity of each door panel 10A, 10B. These contact portions 19A and 19B are provided from the handles 12A, 13A, 12B, and 13B of the door panels 10A and 10B from the viewpoint of simplifying and making the connecting members of the guide pins 22 and 24 provided on the central door panel 20 inconspicuous. May also be provided so as to be located on the center side in the door width direction. Further, the contact portions 19A and 19B have the overlap width of the door width direction end portions of adjacent door panels overlapping in the door thickness direction in the closed state, and the guide pins 24 and 22 in the guide grooves 18A and 18B. You may make it provide so that it may be located in the opening-and-closing side edge part 11A, 11B vicinity site | part of each door panel 10A, 10B from a viewpoint etc. which make it effectively small in the inserted state.

Further, in the present embodiment, the opening / closing side end is provided so that the opening / closing side end portions 11A, 11B of the guide grooves 18A, 18B of the door panels 10A, 10B on both sides in the door thickness direction are not opened at the opening / closing side end surfaces. It is set as the structure located in the part 11A, 11B vicinity site | part. Further, the inner wall surfaces facing the door width direction opposite opening / closing end side as the groove ends on the opening / closing side end portions 11A, 11B of the guide grooves 18A, 18B are set as contact portions 19A, 19B. With such a configuration, it is possible to simplify the structure and the like as compared to the case where another member constituting the contact portions 19A and 19B is fixedly provided in the guide grooves 18A and 18B.
In addition, it is good also as an aspect which replaced with such an aspect and provided with the separate member which each comprises contact part 19A, 19B in each guide groove 18A, 18B. In this case, a buffer body made of a buffering material may be provided in the guide grooves 18A and 18B as the contact portions 19A and 19B. Further, in the illustrated example, the groove ends on the side opposite to the opening / closing side of the guide grooves 18A, 18B of the door panels 10A, 10B on the both sides in the door thickness direction are formed on the opposite opening / closing side end surfaces 14A, 14B from the viewpoint of workability and the like. Although it is set as the structure made open, it is not restricted to such an aspect.

In the sliding door device 1 configured as described above, as shown in FIG. 1 (b), door panels 10A on both sides of the door thickness direction with respect to the central door panel 20 that moves relatively when fully opened from a closed or half-open state. The movement of 10B is prevented, and as shown in FIG.
As shown in FIG. 3 (b), each of the rotating wheels (pulleys) 27 and 27 of the above-mentioned interlocking mechanism is substantially in the fully open state, and each of the connecting portions 17A and 17B is respectively in the fully open state. It also functions as an abutting portion (stopper portion) that is abutted and prevents movement of the door panels 10A and 10B on both sides in the door thickness direction to the open side with respect to the central door panel 20 described above. That is, in the present embodiment, the interlocking mechanism is also provided with a contact portion that performs the same function as the contact portions 19A and 19B described above. With such a configuration, movement can be more reliably prevented by the double stopping mechanism. Instead of such an aspect in which the contact portion is provided in the interlocking mechanism, an aspect in which the contact portion is further provided in another part may be employed. In such a case, when the contact portions 19A and 19B of the guide grooves 18A and 18B and the contact portions of other parts move in the fully open direction, they are in contact with the respective contact targets almost simultaneously. It is good also as a structure. Or, for example, each abutment portion is positioned so that the abutment portion of another part abuts against the abutment object before the abutment portions 19A and 19B of the respective guide grooves 18A and 18B in the door width direction. May be provided. That is, the contact portions 19A and 19B of the guide grooves 18A and 18B may function as a supplementary stop mechanism.

The sliding door device 1 according to the present embodiment can improve the appearance while improving the opening and closing operability by adopting the above-described configuration.
That is, the grips 12A, 13A, 12B, and 13B are provided so as to protrude to both sides in the door thickness direction of the open / close side end portions 11A and 11B of the door panels 10A and 10B on both sides in the door thickness direction. Therefore, for example, the opening / closing operability can be improved as compared with a case in which a digging handle is provided.
In addition, when the doors 10A and 10B on both sides in the door thickness direction are fully opened, the center side handles 12A and 12B of the door panels 10A and 10B do not come into contact with the center door panel 20, respectively. Abutting portions 19A and 19B are provided to prevent the movement to. The contact portions 19A and 19B are provided in the guide grooves 18A and 18B of the door panels 10A and 10B into which the guide pins 24 and 22 provided in the central door panel 20 are respectively inserted. Therefore, for example, it can be made inconspicuous as compared with a lower support portion such as a lower rail provided with a protruding portion, and the appearance can be improved.

Further, even when each door panel 10A, 10B, 20 is located in the middle of the opening, etc., the contact portions 19A, 19B of the guide grooves 18A, 18B of the door panels 10A, 10B on both sides in the door thickness direction are centered. The guide pins 24 and 22 of the door panel 20 can be brought into contact with each other. Thereby, even when each door panel 10A, 10B, 20 is located in the middle of the opening, etc., the handle 12A, 13A, 12B, 13A of the door panel 10A, 10B on both sides of the door thickness direction and the central door panel 20 Contact can be prevented.
That is, for example, when the abutting portion is projected on the upper rail or the floor side, the doorway 4 is formed on either side of the door width direction of the three door panels 10A, 10B, and 20. The position needs to be provided, and the position is restricted. On the other hand, according to the above configuration, the door panels 10A, 10B on both sides in the door thickness direction with respect to the central door panel 20 in the fully opened state, regardless of the position of the three door panels 10A, 10B, 20 in the opening / closing direction. Can be prevented from moving to the open side.
Further, the means for guiding the lower end sides of the door panels 10A and 10B on both sides in the door thickness direction is also used as a means for preventing the door panels 10A and 10B from moving to the open side with respect to the central door panel 20 when fully opened. The structure can be simplified.

Further, in the present embodiment, in the fully opened state, the counter opening side end surface 14A of the door panel 10A on one side in the door thickness direction and the door width direction one side end surface 21 of the central door panel 20 substantially coincide with each other in the door width direction. The non-opening / closing-side end surface 14B of the door panel 10B on the other side in the direction and the door width direction other side end surface 23 of the central door panel 20 are substantially aligned in the door width direction. Therefore, while the opening / closing operability can be improved as described above, the central door panel 20 can be made inconspicuous in the fully opened state and viewed in the thickness direction, and the appearance can be improved. Can do. Moreover, the opening width of the entrance / exit 4 formed in the door width direction one side can be enlarged in the state opened fully so that the three door panels 10A, 10B, and 20 may be superposed | polymerized.
In addition, instead of such a mode, in the fully opened state, the door opening / closing side end surfaces 14A and 14B of the door panels 10A and 10B on both sides in the door thickness direction are respectively in the door width direction end surface 21 of the central door panel 20 on the adjacent side. It is good also as a structure located in the door width direction center side rather than 23. FIG. In this case, the door width dimensions of the door panels 10A and 10B on both sides of the door thickness direction and the door width dimension of the central door panel 20 may be substantially the same.

  Further, in the present embodiment, the three door panels 10A, 10B, and 20 are configured to be suspended and supported by the upper rail 33, respectively. Accordingly, it is not necessary to provide a door rail or the like on the lower side of each door panel 10A, 10B, 20, and a step or the like can be made difficult to occur. Even in this case, the guide grooves 18A and 18B into which the guide pins 24 and 22 of the central door panel 20 are inserted are provided in the door panels 10A and 10B on both sides in the door thickness direction. , It is possible to suppress the deflection in the door thickness direction on the lower end side.

  Moreover, in this embodiment, the interlocking mechanism is provided with rotating wheels 27 and 27 that are rotatably provided at both ends in the door width direction of the central door panel 20 and an endless transmission wound around these rotating wheels 27 and 27. The body 28 is provided. The interlocking mechanism includes a first connecting portion 17A that connects the endless transmission body 28 and the first door panel 10A, a second connection portion 17B that connects the endless transmission body 28 and the second door panel 10B, and It is supposed to be equipped with. Accordingly, as described above, if one of the door panels 10A and 10B on both sides in the door thickness direction is slid to one side in the opening / closing direction, the other in the same direction so that the central door panel 20 follows. The door panel can be moved and opened and closed. Thereby, for example, compared with the case where the hooking portions that are hooked to each other are slid and moved to the closing side at the end portion (summing portion) that overlaps in the door thickness direction in the closed state. Can be opened and closed smoothly.

The interlocking mechanism is not limited to the above configuration. For example, a hooking portion or the like that is hooked to each other may be provided at an end portion (summing portion) that overlaps in the door thickness direction in the closed state as an interlocking mechanism when sliding and moving to the closing side. In this case, you may make it function the contact part 19A, 19B provided in each of the above-mentioned 1st door panel 10A and 2nd door panel 10B as an interlocking mechanism at the time of slidingly moving to an open side. In addition, it is possible to employ interlocking mechanisms having various configurations.
In the present embodiment, an example is shown in which the three door panels 10A, 10B, and 20 are suspended and supported by the upper rail 33, but the present invention is not limited to such an embodiment. For example, it is good also as a lower load structure which provided rolling bodies, such as a doorwheel, in the lower end part of the three door panels 10A, 10B, and 20, and provided the lower rail which this rolling body engages on the floor side. In this case, a pin-shaped upper guide portion or the like may be provided at the upper end portion of the door panel 10A, 10B, 20 instead of the runner member. In this case, the upper rail, the guide grooves 18A and 18B of the door panels 10A and 10B on both sides of the door thickness direction, and the guide portions (guide pins) 24 and 22 of the central door panel 20 may be appropriately modified. Good.

1 Sliding door device 10A First door panel (door panel on one side in the thickness direction)
11A Open / close side end 12A Center side handle 13A Outer handle 17A First connecting portion (interlocking mechanism)
18A Guide groove 19A Abutting part 10B Second door panel (door panel on the other side in the thickness direction)
11B Open / close side end 12B Center side handle 13B Outer handle 17B Second connecting part (interlocking mechanism)
18B Guide groove 19B Contact 20 Central door panel (center door panel)
22, 24 Guide pin (guide part)
27 pulley (rotary wheel, interlocking mechanism)
28 wires (endless transmission, interlocking mechanism)
33 Upper rail

Claims (3)

It is a sliding door device provided with three door panels that are arranged in a sliding manner so as to overlap in the door thickness direction and are slid along the door width direction so as to interlock with each other,
Handles are provided on both sides of the door thickness direction at the opening and closing side ends of the door panels on both sides of the door thickness direction so as to protrude from each other. Guide grooves are provided for receiving the guide portions provided on both sides of the door thickness direction at the lower end of the door panel,
The guide grooves of the door panels on both sides of the door thickness direction are arranged in the center so that the handles protruding to the center side of the door panels on both sides of the door thickness direction do not contact the center door panel when fully opened. and contact portions are provided on each of the opposite sides of the door panel of the guide portion abuts against each prevented from moving into the respective open side of the ToAtsu both sides of the door panel relative to the center of the door panel ,
The contact portion of each guide groove of the door panel on both sides in the door thickness direction is an inner wall surface facing the opposite opening / closing side end side provided as a groove end on the opening / closing side end side of each guide groove, The sliding door device is characterized in that the groove end on the side opposite to the opening / closing side is opened at each side opening surface of the door panel on both sides in the door thickness direction . In claim 1,
The three door panels are each configured to be suspended and supported by an upper rail. In claim 1 or 2,
The interlocking mechanism for interlocking the three door panels is a rotatable wheel provided rotatably at both ends of the center door panel in the width direction of the door, and an endless transmission wound around the rotating wheel, A first connecting portion that connects the endless transmission body and the door panel on one side in the door thickness direction; a second connecting portion that connects the endless transmission body and the door panel on the other side in the door thickness direction; A sliding door device characterized by comprising:

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