JP5420738B2 - Sliding door device - Google Patents

Description

The present invention relates to a sliding door equipment.

  As disclosed in Patent Document 1 below, a conventional sliding door device has a FIX panel fixed to a three-way frame attached to a wall opening of a building, and a sliding door panel that opens and closes an entrance formed by the FIX panel. Is provided. Since the FIX panel is fixed, for example, when a pair of sliding door panels is configured, the doorway is fixed at the center (drawing mode) or both the left and right sides (right hand, left hand).

JP-A-9-291755

  In the conventional sliding door device, since the FIX panel is fixed, the entrance / exit position cannot be changed. If it becomes necessary to change the entrance / exit position due to a request from a facility manager or the like, it is necessary to perform construction work again. For this reason, there is a problem that it is not possible to easily cope with requests for layout changes and the like.

  Therefore, an object of the present invention is to provide a sliding door device that can be easily changed in layout without performing special construction work.

In order to achieve the above object, the present invention provides a three-way frame that defines an opening, a FIX panel that forms an entrance / exit at a predetermined position of the opening, and a reciprocating movement along the FIX panel driven by a driving mechanism. A sliding door panel that opens and closes the doorway, and the FIX panel closes the doorway and has a vertical frame on the doorway side that opens and closes the sliding door panel so that the position of the FIX panel becomes a new doorway. Is pivotally supported on the three-way frame, and the doorway formed by the FIX panel is blocked by the rotation of the FIX panel, and is blocked by the FIX panel. This is a sliding door device in which a part is newly formed as an entrance and is opened and closed by the sliding door panel.

  In the present invention, since the FIX panel is configured to be movable and the position of the entrance / exit is variable, the layout can be easily changed without performing any special construction work after the construction of the sliding door device. For example, after installing a sliding door device, the facility manager may request a layout change, such as the store in the building changes, but even in that case, the layout can be changed without any special construction work. Can be easily performed.

Further, since the FIX panel is rotatably supported, it is only necessary to pivotally support the FIX panel. For this reason, it is possible to simplify the components necessary to make the FIX panel movable. That is, when the FIX panel is slid in a sliding door manner, a rail for the FIX panel is required. However, in the configuration in which the FIX panel can be rotated, the number of parts can be reduced as compared with that.

Further, two pairs of the FIX panel and the sliding door panel are arranged in parallel, and both sliding door panels are configured to be independently movable, with the center, the left and right sides, the center right side and the left end, the center left side and the right end of the opening. If it is possible to form the entrance of four patterns of both sides pieces pull mode, the central right side and left opening both draw mode entrance is formed in the center of the opening, each entrance to the left and right sides of the opening is formed There are four possible patterns: a left-handed mode in which an entrance is formed at the left and a right-handed mode in which an entrance is formed at the center left side and the right end of the opening.

Further, in the case where at least one FIX panel is provided with an abutting portion with which the door end of the sliding door panel can abut, it is not necessary to provide a column for defining the closing position of the sliding door panel in the opening.

  Further, in the case where the FIX panel and the sliding door panel are provided as a pair, respectively, a projector is provided on the vertical side of one FIX panel and the vertical frame side of the three-sided frame, and the vertical side of the other FIX panel and A light receiver is provided on each vertical frame side of the three-sided frame, and a light receiver is provided on the vertical frame on the one FIX panel side of the three-sided frame. It is preferable that a projector is provided on the frame.

  Further, the arrangement of the light receivers or projectors provided on the vertical side may be provided not only in the vertical direction but also in the periphery thereof.

  In this aspect, the pattern of the entrance / exit differs depending on which FIX panel is rotated, but in any case, the projector and the light receiver face each other across the entrance / exit. In addition, since only three sets of projectors and receivers are required, the number of projectors and receivers can be reduced, and wiring to the FIX panel can be simplified. That is, since each FIX panel can take a left position and a right position, it is not necessary to provide four sets of projectors / receivers even though a total of four entrances / exits can be formed. For this reason, the number of light projectors and light receivers can be reduced.

  As described above, according to the present invention, the layout can be easily changed without performing a special construction work.

It is a front view of the sliding door apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing which looked at the said sliding door apparatus from the top. FIG. 3 is a view corresponding to FIG. 2 when the second FIX panel is set to the second state. It is sectional drawing which looked at the said sliding door apparatus in the width direction of the entrance / exit. (A) It is a figure which shows the closed state of both draw modes, and shows the open state of (b) both draw modes. (A) It is a figure which shows the closed state of both-sides single pulling mode, and (b) shows the open state of both-sides single pulling mode. (A) It is a figure which shows the closed state of both left-handed mode, and shows the open state of (b) both left-handed mode. (A) It is a figure which shows the closed state of both right-handed mode, and (b) shows the open state of both right-handed mode. (A)-(f) It is the schematic of the windbreak chamber which concerns on Embodiment 2 of this invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, the sliding door device 10 according to the present embodiment includes a three-way frame 12 attached to an opening formed in a building. The three-way frame 12 has a pair of vertical frames 13 and 14 and an invisible line 16 that is laid between the upper ends of both the vertical frames 13 and 14, and defines a rectangular opening between the floor surface. ing. A lower frame 18 is connected to the three-way frame 12. The lower frame 18 connects between the lower ends of the vertical frames 13 and 14. FIG. 1 is a diagram illustrating a state when the sliding door device 10 is viewed from the inside of a building. The lower frame 18 can be omitted.

  The sliding door device 10 includes FIX panels 23 and 24 and sliding door panels 27 and 28. The FIX panels 23 and 24 form an entrance / exit 30 in an opening defined by the three-way frame 12, and the sliding door panels 27 and 28 can reciprocate so as to open and close the entrance / exit 30. The drive mechanism 32 for reciprocating the sliding door panel is, for example, of a belt drive type and is accommodated in the seamless 16 (see FIG. 4). As the drive mechanism 32, a first drive mechanism that drives the first sliding door panel 27 and a second drive mechanism that drives the second sliding door panel 28 are provided.

  In the present embodiment, the FIX panels 23 and 24 and the sliding door panels 27 and 28 are a pair. Specifically, as the FIX panel, a first FIX panel 23 and a second FIX panel 24 are provided. The first FIX panel 23 is located on the left side in FIG. 1 with respect to the center of the opening, and the second FIX panel 24 is , Located on the right side in FIG. 1 from the center of the opening. As the sliding door panel, a first sliding door panel 27 and a second sliding door panel 28 are provided.

  The 1st sliding door panel 27 is located in the left side in FIG. 1 rather than the center part of opening, and can move along the indoor side of the 1st FIX panel 23 (refer FIG. 2). On the other hand, the 2nd sliding door panel 28 is located in the right side in FIG. 1 rather than the center part of opening, and can move along the indoor side of the 2nd FIX panel 24. FIG. That is, the first sliding door panel 27 can reciprocate in the left half region of the opening, and the second sliding door panel 28 can reciprocate in the right half region of the opening.

  The 1st sliding door panel 27 and the 2nd sliding door panel 28 are the things of the same structure, and are the structures by which the transparent plates 39 and 40 were engage | inserted by the rectangular-shaped frame bodies 37 and 38, respectively. The lower collars 37a and 38a of the frame body 37 are provided with steady rests 42 and 42, respectively. The steady rests 42, 42 are adapted to be along guide grooves 44 (see FIG. 4) provided in the lower frame 18 so as to be along the doorway.

  A key holder 34 is provided on the lower frame 18 of the three-way frame 12. The key receiver 34 is configured to receive a lock bolt (not shown) of the sliding door panels 27 and 28 and is disposed at a position corresponding to the lock bolt.

  As shown in FIG. 2, the first FIX panel 23 and the second FIX panel 24 have a configuration in which transparent plates 49 and 50 are fitted in rectangular frames 47 and 48, respectively, but are arranged symmetrically. ing.

  1 and 2 show the closed position in the double draw mode. Specifically, the first FIX panel 23 is positioned at the left end of the opening, the second FIX panel 24 is positioned at the right end of the opening, and the two sliding door panels 27 and 28 close the entrance / exit 30 formed between the two FIX panels. It shows the state. That is, the first FIX panel 23 is in an outer position that covers half of the moving area of the first sliding door panel 27 on the vertical frame 13 side (left side in FIG. 1), and the second FIX panel 24 Out of the moving area of the sliding door panel 28, it is in a state of an outer position that covers a half area on the vertical frame 14 side (right side in FIG. 1).

  Both the first FIX panel 23 and the second FIX panel 24 are configured to be movable so that the formation position of the entrance / exit 30 can be changed. FIG. 3 shows a second state in which the position of the entrance / exit 30 is changed by inverting the second FIX panel 24 in the first state of FIG. That is, in FIG. 3, the second FIX panel 24 is in an inner position state in which a half of the moving area of the second sliding door panel 28 is close to the center of the opening. Hereinafter, the movable structure of the FIX panels 23 and 24 will be specifically described.

  First, the movable structure of the first FIX panel 23 will be described. As shown in FIG. 1, the support member 52 that rotatably supports the vertical rod 47 a of the first FIX panel 23 is provided on the invisible eye 16 and the lower frame 18, respectively. Is provided. The shaft support portion 52 has a vertical position (vertical vertical position) 47a of the first FIX panel 23 located at a center position in the moving region of the first sliding door panel 27, that is, a point that is a quarter of the left end of the opening width. It is pivotally supported. In other words, the first FIX panel 23 is rotatably supported by the three-way frame 12 with the vertical frame 13 on the entrance / exit 30 side where the first sliding door panel 27 opens and closes as a rotation axis. Then, by rotating the first FIX panel 23 outward, the first FIX panel 23 can take positions that are fixed on both sides across the center position in the moving region of the first sliding door panel 27, The formation position of the entrance / exit 30 changes. Thus, even when the first FIX panel 23 is moved from the normal rotation position to the reversal position, the position of the first FIX panel 23 in the direction orthogonal to the moving direction of the first sliding door panel 27 does not change. For this reason, even after the first FIX panel 23 is moved, the first sliding door panel 27 can slide along the first FIX panel 23.

  The movable structure of the second FIX panel 24 is the same as the movable structure of the first FIX panel 23. That is, a shaft support portion 54 that rotatably supports the vertical rod 48 a of the second FIX panel 24 is provided on the invisible 16 and the lower frame 18, and this shaft support portion 54 is located in the moving region of the second sliding door panel 28. A vertical rod (vertical rod) 48a of the second FIX panel 24 located at the center position, that is, a point that is a quarter of the right end of the opening width, is pivotally supported. In other words, the second FIX panel 24 is rotatably supported by the three-way frame 12 with the vertical frames 13 and 14 on the entrance / exit 30 side as pivot axes.

  As shown in FIGS. 2 and 3, the first FIX panel 23 is provided with an abutting portion 55 with which the second sliding door panel 28 can abut. The contact portion 55 is a vertical rod 47b on the side opposite to the entrance / exit 30 where the first sliding door panel 27 opens and closes, in other words, a vertical rod located on the end side of the moving area of the first sliding door panel 27 (the vertical axis on the door bottom side). I) Provided in 47b. And the contact part 55 is extended in the direction orthogonal to the moving direction of the 1st sliding door panel 27, The extension length is a grade which reaches on the doorway of a sliding door panel. However, the contact portion 55 is formed so as to straddle the doorway of the second sliding door panel (mating side sliding door panel) 28 in the second state in which the door butt side vertical rod 47b is located on the center side of the opening. In the state shown in FIG. 2, that is, in the first state in which the door butt side vertical rod 47b is located on the end side of the opening, the contact portion 55 extends from the first FIX panel 23 in a direction away from the doorway.

  On the other hand, the second FIX panel 24 is provided with an abutting portion 56 with which the first sliding door panel 27 can abut. The abutting portion 56 has the same configuration as the abutting portion 55 of the first FIX panel 23 and is provided on a vertical rod 48b on the door bottom side of the second FIX panel 24.

  As shown in FIG. 1, the sliding door device 10 is provided with locking means for locking and unlocking the first FIX panel 23 and the second FIX panel 24. The lock means includes a lock portion 57 for locking the first FIX panel 23 and a lock portion 58 for locking the second FIX panel 24. The lock portions 57 and 58 are engaged with the lower frame 18 by protruding downward from the lower collars 47c and 48c of the FIX panels 23 and 24, for example. The lower frame 18 is provided with two receiving portions (for the FIX panels 23 and 24) so that the FIX panels 23 and 24 can be locked in either the first state or the second state (the locking portions 57 and 58 can be received). (Not shown) is formed.

  The first FIX panel 23 is provided with projectors 61 and 61 on a vertical shaft 47a on the vertical side and a vertical shaft 47b on the door butt side, respectively. On the other hand, in the second FIX panel 24, light receivers 62 and 62 are provided on the vertical shaft 48a on the vertical side and the vertical shaft 48b on the door butt side, respectively. A light receiver 63 is disposed in the vertical frame 13 on the first FIX panel 23 side, and a projector 64 is disposed on the vertical frame 14 on the second FIX panel 24 side. The light projectors 61 and 64 and the light receivers 62 and 63 constitute an auxiliary sensor that detects a person or an object on the doorway of the sliding door panels 27 and 28. When both the first FIX panel 23 and the second FIX panel 24 are in the first state, the light receiver 62 of the vertical side beam 48a of the second FIX panel 24 is connected to the vertical side beam 47a of the first FIX panel 23. The light emitted from the projector 61 can be detected. If only the second FIX panel 24 is in the second state, the light from the light projector 61 of the vertical side beam 47a of the first FIX panel 23 can be detected by the light receiver 62 of the door bottom side beam 48b of the second FIX panel 24. is there. On the other hand, if only the first FIX panel 23 is in the second state, the light from the projector 61 of the door bottom side vertical shaft 47b of the first FIX panel 23 is detected by the light receiver 62 of the vertical side vertical beam 48a of the second FIX panel 24. Is possible. The light receiver 63 of the vertical frame 13 on the first FIX panel 23 side can detect the light emitted from the light projector 61 of the vertical vertical lamp 47a of the first FIX panel 23 in the second state, and the second FIX panel. The light emitted from the projector 64 of the vertical frame 14 on the 24th side can be detected by the light receiver 62 of the vertical vertical beam 48a of the second FIX panel 24 in the second state.

  Here, four modes which the sliding door apparatus 10 can take are demonstrated. The four modes are a double draw mode, a double side draw mode, a double left hand mode, and a double right hand mode.

  As shown in FIGS. 5 (a) and 5 (b), both draw modes are modes in which an entrance / exit 30 is formed at the center of the opening, and both the first FIX panel 23 and the second FIX panel 24 are positioned on the end side of the opening. Is in the first state. At this time, the light emitted from the projector 61 arranged on the vertical beam 47a on the vertical side of the first FIX panel 23 is received by the light receiver 62 arranged on the vertical beam 48a on the vertical side of the second FIX panel 24. The The first sliding door panel 27 advances to the right side, and the second sliding door panel 28 moves to the left side. The sliding door panels 27 and 28 move to the opening position in a direction away from each other, thereby opening the entrance at the center of the opening. 30 is opened.

  6A and 6B, the both-side single-drawing mode is a mode in which the entrances 30 are formed on the left and right sides of the opening, respectively. The first FIX panel 23 and the second FIX panel 24 are both open. It is in the 2nd state located in the center side. At this time, light emitted from the projector 61 disposed on the vertical rod 47a on the vertical side of the first FIX panel 23 is received by the light receiver 63 of the vertical frame 13 on the first FIX panel 23 side. That is, a passerby or the like passing through the doorway 30 where the first sliding door panel 27 opens and closes is detected. On the other hand, the light emitted from the projector 64 of the vertical frame 14 on the second FIX panel 24 side is received by the light receiver 62 of the second FIX panel 24. That is, a passerby or the like passing through the doorway 30 where the second sliding door panel 28 opens and closes is detected. Then, the sliding door panels 27 and 28 are retracted in the direction approaching each other from the closed positions that have advanced to the left and right sides of the opening, whereby the doorways 30 are opened on the left and right sides of the opening, respectively.

  When the FIX panels 23 and 24 are rotated, the vertical doors 47a and 48a on the vertical side of the FIX panels 23 and 24 are prevented from interfering with the sliding door panels 27 and 28. Move it.

  As shown in FIGS. 7 (a) and 7 (b), both left-handed modes are modes in which an entrance / exit 30 is formed at the center right side and the left end of the opening. The first FIX panel 23 is in the second state, and the second FIX panel 24 is in the second state. Is in the first state. At this time, the light emitted from the projector 61 disposed on the vertical rod 47a on the vertical side of the first FIX panel 23 is received by the light receiver 63 of the vertical frame 13 on the first FIX panel 23 side, and the first sliding door panel 27 is received. A passerby or the like passing through the doorway 30 that opens and closes is detected. Further, the light emitted from the projector 61 disposed on the vertical rod 47b on the door bottom side of the first FIX panel 23 is received by the light receiver 62 disposed on the vertical rod 48a on the vertical side of the second FIX panel 24, A passerby or the like passing through the doorway 30 where the second sliding door panel 28 opens and closes is detected. And both the sliding door panels 27 and 28 are each retracted rightward from the closed position advanced to the left side, and thereby the entrance 30 is opened at the center right side and the left end of the opening.

  In this mode, when the second sliding door panel 28 in the open position moves forward toward the closing position, the second sliding door panel 28 is brought into contact with the contact portion 55 on the door bottom side of the first FIX panel 23 which is the FIX panel of the other party. Stops in contact. For this reason, the closed position of the 2nd sliding door panel 28 is decided reliably. Further, the contact portion 55 can be used to set the closed position of the second sliding door panel 28 during construction.

  As shown in FIGS. 8A and 8B, the right-handed mode is a mode in which an entrance 30 is formed at the center left side and the right end of the opening. The first FIX panel 23 is in the first state and the second FIX panel. 24 is in the second state. At this time, the light emitted from the projector 61 disposed on the vertical beam 47a on the vertical side of the first FIX panel 23 is received by the light receiver 62 disposed on the vertical beam 48b on the door bottom side of the second FIX panel 24. The passerby etc. which pass the doorway 30 which the 1st sliding door panel 27 opens and closes are detected. Further, the light emitted from the light projector 64 of the vertical frame 14 on the second FIX panel 24 side is received by the light receiver 62 disposed on the vertical rod 48a on the vertical side of the second FIX panel 24, and the second sliding door panel 28 is received. A passerby or the like passing through the opening / closing door 30 is detected. Then, the sliding door panels 27 and 28 are respectively retracted leftward from the closed position that has advanced to the right side, whereby the doorway 30 is opened at the center and right end of the opening.

  In this mode, when the first sliding door panel 27 in the open position moves forward toward the closing position, the first sliding door panel 27 is brought into contact with the abutting portion 56 on the door bottom side of the second FIX panel 24 that is the FIX panel of the other party. Stops in contact. For this reason, the closed position of the 1st sliding door panel 27 is decided reliably. Further, the contact portion 56 can be used to set the closed position of the first sliding door panel 27 during construction.

  As described above, according to the present embodiment, since the FIX panels 23 and 24 are configured to be movable and the formation position of the entrance / exit 30 is variable, special construction work is performed after the construction of the sliding door device 10. The layout can be easily changed without performing the above. For example, after the construction of the sliding door device 10, the facility manager may request a layout change, such as the store of the building changes, but even in that case, the layout can be done without performing any special construction work. Changes can be made easily. That is, the troublesome work of removing and fixing the FIX panel fixed to the three-way frame 12 becomes unnecessary.

  In addition, in the present embodiment, the position of the entrance / exit 30 is changed by the rotation of the FIX panels 23 and 24. Therefore, the FIX panels 23 and 24 need only be pivotally supported. For this reason, it is possible to simplify the components necessary for making the FIX panels 23 and 24 movable. That is, when the FIX panels 23 and 24 are slid in a sliding door manner, a rail for the FIX panel is required. However, in the configuration in which the FIX panels 23 and 24 can be rotated, the number of parts can be reduced as compared with that. .

  Further, in the present embodiment, the double draw mode in which the entrance / exit 30 is formed at the center of the opening, the double side single drawing mode in which the entrance / exit 30 is formed on both the left and right sides of the opening, and the entrance / exit 30 are formed at the center right side and the left end of the opening. Four patterns can be selected: both left-handed modes, and both right-handed modes in which the entrance 30 is formed at the center left side and the right end of the opening. For this reason, it is easy to respond to various requests of users.

  In addition, in this embodiment, since the FIX panels 23 and 24 are provided with the abutting portions 55 and 56 with which the sliding door panels 27 and 28 can abut, a column that defines the closing position of the sliding door panels 27 and 28 is used as an opening. There is no need to provide it.

  Furthermore, in this embodiment, the pattern of the entrance / exit 30 is different depending on which FIX panel 23, 24 is rotated. In any case, the projectors 61, 64 and the light receiver 62 are arranged on both sides of the entrance / exit 30. 63 will face each other. In addition, since only three sets of light projectors / receivers are required, the number of the light projectors 61 and 64 and the light receivers 62 and 63 can be reduced, and the wiring to the FIX panels 23 and 24 can be simplified. That is, since each FIX panel 23, 24 can take the left position and the right position, it is not necessary to provide four sets of projectors / receivers, although a total of four entrances / exits 30 can be formed. For this reason, the number of the light projectors 61 and 64 and the light receivers 62 and 63 can be reduced.

  Note that the present invention is not limited to the above-described embodiment, and various modifications and improvements can be made without departing from the spirit of the present invention.

(Embodiment 2)
As shown in FIGS. 9A to 9F, in the second embodiment, the three-way frame 12 that defines the opening is arranged with a space between each other, and the FIX panels 23 and 24 and the sliding door panel are respectively provided in each opening. A windbreak chamber 27 and 28 are provided. FIG. 9 is a schematic view of the windbreak chamber as viewed from above.

  A pair of connection walls 70 extending in the direction in which passers-by pass are disposed between the left and right end portions of both three-side frames 12, and the windbreak chamber is a plan view partitioned by the three-side frames 12 and the connection walls 70. It is formed in a rectangular shape. In each figure, for example, the upper side is the indoor side and the lower side is the outdoor side, and this windbreak room is provided with an indoor sliding door device 72 and an outdoor sliding door device 74.

  The configuration of each of the sliding door devices 72 and 74 is the same as that of the sliding door device 10 of the first embodiment. As the operation mode of each sliding door device, four modes, ie, a double draw mode, a double side draw mode, a double left hand mode, and a double right hand mode are possible. The indoor-side sliding door device 72 and the outdoor-side sliding door device 74 can individually switch modes, so that the indoor-side FIX panels 23 and 24 and the outdoor-side FIX panels 23 and 24 face each other. Arrangement relationship (FIGS. 9A and 9F), arrangement relationship in which the indoor FIX panels 23 and 24 and the outdoor FIX panels 23 and 24 are displaced from each other (FIGS. 9D and 9E) The one indoor FIX panel 23, 24 and the one outdoor FIX panel 23, 24 face each other, and the other indoor FIX panel 23, 24 and the other outdoor FIX panel 23, 24 The positional relationship (FIGS. 9B and 9C) in which the position is shifted can be taken. In other words, FIGS. 9 (a) and 9 (f) are arranged such that the entrance / exit 30 faces the passer's passage direction, and FIGS. 9 (d) and 9 (e) show the entrance / exit 30 opposite the passer's pass direction. FIGS. 9B and 9C show an arrangement in which one of the entrances 30 faces the passage direction, while the other entrance 30 does not face the passage direction.

  In the present embodiment, the FIX panels 23 and 24 can be positioned so that the entrance 30 faces the pass direction of the passers-by, while the FIX panels 23 and 24 of the FIX panels 23 and 24 do not face the pass direction of the passers-by. It is also possible to change the position. For this reason, according to outdoor weather etc., it can be set as the entrance-and-exit arrangement which gives priority to a conductor's conducting wire, or can be set as the entrance-and-exit arrangement which controls wind blow-off. That is, it is possible to easily meet the demands of facility managers.

DESCRIPTION OF SYMBOLS 12 Three-way frame 13 Vertical frame 14 Vertical frame 16 Seamless 18 Lower frame 23 1st FIX panel 24 2nd FIX panel 27 Sliding door panel 28 Sliding door panel 30 Entrance / exit 55 Contact part 56 Contact part 61 Light projector 62 Light receiver 63 Light receiver 64 Light projector 64 Projector

Claims (3)

A three-way frame that defines an opening; a FIX panel that forms an entrance / exit at a predetermined position of the opening; and a sliding door panel that is driven by a drive mechanism and can reciprocate along the FIX panel to open and close the entrance / exit ,
The FIX panel can be pivoted to the three-way frame with a vertical frame on the entrance / exit side where the sliding door panel opens and closes as a pivot axis so that the entrance / exit is closed and the position where the FIX panel is located becomes a new entrance / exit The doorway that is supported and formed by the FIX panel is blocked by the rotation of the FIX panel, and the portion that is blocked by the FIX panel is newly formed as the doorway, and the sliding door panel Sliding door device opened and closed by. The FIX The panel door head sliding door apparatus according to claim 1, wherein the contact portion capable of contacting is provided in the sliding door panel. The FIX panel and the sliding door panel are each provided in a pair,
On one side of the FIX panel, a projector is provided on each of the vertical side and the vertical side of the three-sided frame.
The other FIX panel is provided with a light receiver on each of the vertical side and the vertical side of the three-sided frame,
Among the three-way frames, a light receiver is provided in a vertical frame on the one FIX panel side,
The sliding door apparatus of Claim 1 or 2 with which the projector is provided in the vertical frame by the side of said other FIX panel among the said three-way frames.

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