JP6865565B2 - Sliding door device - Google Patents

Description

The present invention relates to a sliding door device for opening and closing an opening such as a doorway by a door body that can be opened and closed, and can be used as, for example, a sliding door device for a front door.

Patent Document 1 below shows a sliding door device that opens and closes an opening with a door body that can be opened and closed, and the sliding door device is guided by a guide rail that is a rail means and the guide rail. The door body is movable to open and close the opening, and an automatic closing device for closing and moving the door body by the pulling force of the drawn string-shaped member, and this automatic closing is provided. The device is attached to a guide rail which is an immovable member that does not open and close, and the tip of the string-shaped member is connected to the door body.

Japanese Unexamined Patent Publication No. 2010-43433 (paragraphs 0050, 0055, 0056, FIG. 2)

In the above-mentioned sliding door device in which the door body is suspended, the automatic closing device is attached to the guide rail above the door body, and the height position of the upper side of the opening opened and closed by the door body is automatically set. The position is lowered from the ceiling according to the vertical dimension of the closing device. According to this, the height dimension of the opening cannot be increased, in other words, the height dimension of the opening is affected by the automatic closing device and becomes smaller, and it is installed in a site where the ceiling height is low. In the sliding door device, the height dimension of the opening that can be secured becomes small.

An object of the present invention is to provide a sliding door device capable of increasing the height dimension of an opening opened and closed by a door body without being affected by the automatic closing device.

The sliding door device according to the present invention has a rail means, a door body that is guided by the rail means and is movable to open and close an opening, and a door body that is pulled out by a pulling force of a string-shaped member. A sliding door device including an automatic closing device for closing and moving the door is characterized in that the automatic closing device is arranged on the door body.

In this sliding door device, the automatic closing device is arranged not on the rail means but on the door body, so that the height dimension of the opening opened and closed by the door body is increased without being affected by the automatic closing device. This makes it possible to bring the height position of the upper side of the opening closer to the ceiling, and even if the installation site of the sliding door device is a site with a low ceiling height, the height dimension of the opening can be adjusted. You will be able to make it bigger.

In the above invention, the rail means may be an upper rail means arranged inside the transom light above the door body, or a lower rail means arranged below the door body. May be good.

When the rail means is an upper rail means disposed inside the transom light above the door body, the door body is suspended above the door body by being suspended from the upper rail means. Suspended means will be provided for the expression.

Further, the upper rail means may be an upper rail member, or may be a slide rail having an outer member, an inner member, and a ball arranged between the outer member and the inner member.

When the upper rail means is an upper rail member, the upper rail member is provided with an upper suspension roller rotatably mounted on the upper rail member, and when the upper rail means is a slide rail, the upper rail means is provided. The hanging means is a connecting member that connects the inner member and the upper part of the door body.

Whether the upper rail means is an upper rail member or a slide rail, the number of the upper rail means may be one or a plurality.

When the number of the hanging means is one, it is preferable to attach the steady rest means for preventing the door body from swinging in the thickness direction of the door body. According to this, even if the number of the hanging means is one, it is possible to prevent the door body during opening / closing movement from swinging in the thickness direction of the door body by the steady rest means.

Further, in the present invention, the tip of the string-shaped member of the automatic closing device described above is connected to a transom light or an immovable member such as an upper rail means which is immovable without opening and closing with respect to the door body which opens and closes. Therefore, since the steady rest means is also an immovable member, the immovable member for connecting the tip portion of the string-shaped member is attached directly or indirectly via another member or the like. It may be used as a stopping means. According to this, the steady rest means also serves as a means for connecting the tip portions of the string-shaped members, and the structure of the entire sliding door device can be simplified accordingly.

Further, the steady rest means may be provided with a door stop member for defining the fully open position of the door body. According to this, the steady rest means also serves as a door stop means for defining the fully open position of the door body, which also makes it possible to simplify the structure of the entire sliding door device.

As described above, in order to arrange the automatic closing device on the door body and to close and move the door body by the pulling force of the string-shaped member delivered from the automatic closing device, the string-shaped member is moved by the automatic closing device. It is preferable to derive from the upper surface. According to this, it is possible to easily extend the string-shaped member from the upper part such as the upper end of the door body and connect the tip end portion of the string-shaped member to the above-mentioned immovable member.

Further, in order to derive the string-shaped member from the upper surface of the automatic closing device in this way, a rotation guide member is rotatably arranged inside the automatic closing device near the upper surface of the automatic closing device. It is preferable that the string-shaped member is led out from the upper surface of the automatic closing device by the rotation guide action of the rotation guide member. According to this, the string-shaped member can be smoothly led out from the upper surface of the automatic closing device by the rotation guide action of the rotation guide member.

The present invention described above is also applicable to a sliding door device in which a lower rail member is arranged below the upper rail means and a lower roller is provided on the door body so as to be rollably mounted on the lower rail member. In this sliding door device, the opening and closing movement of the door body is performed by guiding the door body to both the upper rail means and the lower rail member.

Further, the present invention can be applied to various sliding door devices used for opening and closing an arbitrary opening with a door body. Therefore, the sliding door device according to the present invention may be, for example, a sliding door device for a front door. Alternatively, it may be a sliding door device for partitioning installed on the wall to partition the corridor and the room in the room, or to partition the adjacent rooms from each other.

According to the present invention, it is possible to obtain an effect that the height dimension of the opening opened and closed by the door body can be increased without being affected by the automatic closing device.

FIG. 1 is a front view showing the entire sliding door device according to the embodiment of the present invention. FIG. 2 is a view similar to FIG. 1 showing when the inspection cover is removed from the transom light shown in FIG. 1 and when the door body reaches the fully closed position. FIG. 3 is a view similar to FIG. 1 showing when the inspection cover is removed from the transom light shown in FIG. 1 and when the door body reaches the fully open position. FIG. 4 is a cross-sectional view taken along the line S4-S4 of FIG. FIG. 5 is a cross-sectional view taken along the line S5-S5 of FIG. FIG. 6 is a cross-sectional view taken along the line S6-S6 of FIG. FIG. 7 is a partially enlarged view of FIG. 6, showing the lower rail member and its peripheral structure. FIG. 8 is a normal cross-sectional view showing a transom light internal structure and an internal structure of the upper part of the door body when the door body reaches the fully closed position. FIG. 9 is a cross-sectional view taken along the line S9-S9 of FIG. FIG. 10 is a front view showing a hanging means provided on the upper part of the door body. FIG. 11 is a left side view of the suspending means. FIG. 12 is a plan view showing the lock member shown in FIGS. 10 and 11. FIG. 13 is a plan view showing the space members shown in FIGS. 10 and 11. FIG. 14 is a front view showing the steady rest means provided inside the transom light. FIG. 15 is a left side view of the steady rest means. FIG. 16 is a right side view of the steady rest means. FIG. 17 shows an enlargement of a portion of the upper suspension means and the door stop member showing when the door body reaches the fully open position by contacting the upper suspension means of the door body with the door stop member provided in the steady rest means. It is a front view. FIG. 18 is a front view showing the configuration and length dimension of the floating prevention member arranged at the lower part of the door body. FIG. 19 is a plan view showing a mounting structure of the lower rail member. FIG. 20 is a transom light front view. FIG. 21 is a transom light plan view. FIG. 22 is a transom light left side view. FIG. 23 is a transom light right side view. FIG. 24 is a front view of the inspection cover. FIG. 25 is a plan view of the inspection cover. FIG. 26 is a left side view of the inspection cover. FIG. 27 is a right side view of the inspection cover. FIG. 28 is a diagram similar to FIG. 4 showing an operation for fixing a transom light to a hanging wall portion, which is a building frame, by a screw serving as a fastener that is rotated by a tool. FIG. 29 is a diagram similar to FIG. 4 showing an operation for rotatably mounting the upper suspension roller provided on the upper suspension means on the upper rail member which is the upper rail means. FIG. 30 is a plan view showing the work for attaching the inspection cover transom lightly. FIG. 31 is a plan view showing a state in which the inspection cover is attached without any notice. FIG. 32 shows (A) when a transom is attached to the upper frame member, and shows that the transom can be separated from the upper frame member and another transom can be attached to the upper frame member (A). It is a side sectional view showing B). FIG. 33 shows a case where the door end side vertical frame member is formed by attaching an auxiliary member to the main member (A), and the auxiliary member can be separated from the main member and another auxiliary member can be attached to the main member. It is a plan sectional view which showed (B) which shows that it becomes. FIG. 34 is a diagram similar to FIG. 8 showing another embodiment regarding the arrangement location of the automatic closing device. FIG. 35 is a diagram similar to FIG. 8 showing another embodiment of the steady rest means. FIG. 36 is a diagram similar to FIG. 6 in which the steady rest means of the embodiment of FIG. 35 is enlarged and shown.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. FIG. 1 shows an overall front view of a sliding door device according to an embodiment of the present invention, which is a sliding door device for an entrance for opening and closing the entrance and exit of an apartment house. Therefore, the opening opened and closed by the door body 1 of the sliding door device of the present embodiment is the entrance / exit of the entrance.

FIG. 1 shows a state in which the door body 1 reaches the fully closed position by abutting on the door end side vertical frame member 3 connected to the wall 2 which is the building frame. Above the door body 1, a transom light 4 is arranged so as to be connected to a hanging wall portion 2A of the wall 2, and an inspection cover 5 is detachably attached to the transom light 4. FIG. 2 shows a state in which the door body 1 has reached the fully closed position and the inspection cover 5 has been removed from the transom light 4, and FIG. 3 shows the door body 1 opening and moving to the fully open position and inspecting. The state in which the cover 5 is removed from the transom 4 is shown. The inspection cover 5 is removed from the transom light 4 in order to perform maintenance, inspection work, and the like on the door body moving mechanism and the like housed inside the transom light 4.

As can be seen from FIG. 3, the entrance / exit 6 of the entrance, which is an opening that is opened / closed by the door body 1, is a door for the door end side vertical frame member 3, the transom light 4, and the door end side vertical frame member 3. It is a space surrounded on all sides by a vertical frame member 7 connected to the wall 2 facing the opening / closing movement direction of the body 1 and a sill member 9 laid on the floor 8, and the sill member 9 is an entrance / exit. It is a lower frame member that forms the lower side portion of 6. The vertical frame member 7 is also shown in FIG. 4, which is a sectional view taken along line S4-S4 in FIG. 1, FIG. 5, which is a sectional view taken along line S5-S5 in FIG. 1, and FIG. 6 which is a sectional view taken along line S6-S6 in FIG. It is shown.

In the following description, the door end side is the closing moving side of the door body 1, and the door tail side is the opening moving side of the door body 1.

As shown in FIG. 4, the upper frame member 10 is connected to the hanging wall portion 2A of the wall 2, and the transom 4 which is a bent sheet metal is in the thickness direction of the door body 1. Of these, a hanging portion 4B hanging from the upper surface portion 4A is formed at a portion on the same side as the hanging wall portion 2A side, and in other words, there is no portion on the side opposite to the hanging portion 4B in the thickness direction of the door body 1. The lower portion of the end portion on one side of the door body 1 in the thickness direction of the upper surface portion 4A of the eye 4 is an open portion covered by the inspection cover 5. Each of the hanging portions 4B is connected to the upper frame member 10 by a plurality of screws 11 and 12 provided in the opening / closing movement direction of the door body 1, and these screws 11 and 12 attach the hanging portion 4B to the upper frame member 10. It is a fastener for fastening to the hanging wall portion 2A, which is the building frame, via the door. Inside the transom light 4, a mounting member 13 which is also a reinforcing member for reinforcing the strength of the transom light 4 is arranged, and is a sheet metal having a length extending in the opening / closing movement direction of the door body 1. This mounting member 13, which is a bent product of the door body 1 and has an uneven shape in the thickness direction of the door body 1, is connected to the hanging portion 4B of the transom light 4 by a screw 12 and welding. Further, the mounting member 13 is formed with a recess 13A recessed toward the hanging wall portion 2A.

Above the recess 13A, the upper 14A of the upper rail member 14 formed by extruding aluminum or an aluminum alloy is bonded to the mounting member 13 by a screw 15 to serve as the upper rail means according to the present embodiment. A fitting portion 14B fitted inside the recess 13A of the mounting member 13 is formed on the lower side of the upper portion 14A of the upper rail member 14, and the lower side of the fitting portion 14B is vertical. It is an extension portion 14C that extends downward. The extension portion 14C extends downward beyond the lower end portion 13B of the mounting member 13. Further, on the upper rail member 14, the guide portion 14D extends horizontally between the upper portion 14A and the fitting portion 14B in the thickness direction of the door body 1 in the direction opposite to the hanging wall portion 2A side. It is formed. The upper rail member 14 having such an upper portion 14A, a fitting portion 14B, an extension portion 14C, and a guide portion 14D has the internal structure of the transom 4 and the door body 1 when the door body 1 reaches the fully closed position. As can be seen from FIG. 8 showing the internal structure of the upper part of the door body 1, the door body 1 has a length in the opening / closing movement direction.

As shown in FIG. 4, an upper frame member 16 which is an upper force bone of the door body 1 is arranged at the upper end of the door body 1, and the upper frame member 16 is vertically upward with the horizontal portion 16A. The rising portion 16B is formed of an angle material composed of a rising portion 16B rising above the door body 1, and the rising portion 16B is on the side opposite to the hanging wall portion 2A side of both ends in the width direction of the horizontal portion 16A which is the thickness direction of the door body 1. Standing up from the edge of the door. One suspension means 17 is attached to the horizontal portion 16A, and the suspension roller 18 is rotatably provided on the suspension means 17 arranged above the door body 1, and the upper rail is provided. As shown in FIG. 8, the hanging rollers 18 that are rotatably mounted and engaged with the guide portion 14D of the member 14 are spaced apart from each other in the opening / closing movement direction of the door body 1. Two are arranged. Therefore, the upper suspension means 17 provided with the upper suspension roller 18 is housed inside the transom 4 in which the upper rail member 14 is arranged, and the inside of the transom 4 has such an upper suspension roller 18. It is a space for accommodating the provided hanging means 17.

As can be seen from the above description, the upper rail member 14 arranged inside the transom 4 is disposed above the door body 1, and the door body 1 is provided above the door body 1. A single upper suspension roller 18 of the upper suspension means 17 is rotatably mounted on and engaged with the upper rail member 14 to form a suspension type door body suspended from the upper rail member 14. There is.

The upper rail member 14 of the present embodiment serves as a rail means for guiding the opening / closing movement of the door body 1, and also serves as an upper rail means on which the door body 1 is suspended. Instead of using the upper rail member 14, instead of the upper rail member 14, an outer member having a length in the opening / closing movement direction of the door body 1 and an inner member having a length shorter than this outer member, and these By using a slide rail composed of a ball arranged so as to be rollable between the outer member and the inner member of the above, the slide rail is used as an upper rail means, and the door body 1 is opened and closed with respect to the outer member. The inner member, which is movable in the moving direction by rolling the ball, and the upper part of the door body 1 are connected by a connecting member which is an upper suspension means for suspending the door body 1 from the slide rail. It may be.

As shown in FIG. 8, an upper guide member 19 is fixed to the upper part of the door body 1 on the door tail side of the place where the hanging means 17 is arranged, as shown in FIG. The upper guide member 19 which is connected to the upper surface of the horizontal portion 16A of the upper frame member 16 by a screw 46 has a length in the opening / closing movement direction of the door body 1 as shown in FIG. doing. Further, as shown in FIG. 5, the upper guide member 19 has a horizontal base portion 19A connected to the upper surface of the horizontal portion 16A of the upper frame member 16 by a screw 46 in the thickness direction of the door body 1. It is formed of a channel-shaped member that opens upward and is composed of a pair of rising portions 19B and 19C that rise vertically from both ends in the width direction of a certain base portion 19A.

As shown in FIG. 8, the mounting member 13 described with reference to FIG. 4 has an extending portion 13C extending further toward the door tail side beyond the end portion of the upper rail member 14 on the door tail side. A steady rest means 20 is attached to the extension portion 13C. As shown in FIG. 6, the steady rest means 20 includes a steady rest member 21 inserted between a pair of rising portions 19B and 19C of the upper guide member 19, and is provided by the steady rest member 21. , The door body 1 is prevented from swinging in the thickness direction of the door body 1. The suspension means 17 is arranged at or near the end of the door end on the upper part of the door body 1, whereas the steady rest means 20 has the door body 1 fully closed as described above. When the position is reached, the door body 1 is arranged at the end portion on the door tail side or in the vicinity of this portion.

As shown in FIGS. 5 and 6, a lower frame member 22 which is a lower force bone of the door body 1 is arranged at the lower end of the door body 1 and is formed of a channel material which is opened downward. Inside the lower frame member 22, the lower guide member 23 is connected by the screw 24 of FIG. 5 and stored and arranged, and the lower guide member 23 is in the left-right direction of FIG. 1, which is the opening / closing movement direction of the door body 1. Has a length dimension to.

As can be seen from FIG. 3, the rail member 9 described above has an extension portion 9A extending in the opening movement direction of the door body 1 beyond the doorway 6 opened and closed by the door body 1, and the extension portion 9A of the extension portion 9A. A lower rail member 25 having a length extending in the opening / closing movement direction of the door body 1 is fixedly installed on the upper surface, and the lower rail member 25 is housed and arranged inside the transom light 4. Below the rail member 14, the rail member is arranged so as to be offset from the upper rail member 14 toward the door end. As shown in FIG. 6, a bracket 27 that rotatably supports one lower roller 26 is attached to the lower guide member 23 with screws 28, and the lower roller 26 is attached to the lower rail member 25. It is mounted and engaged so that it can be rolled freely from above. The screw 28 also serves as a fastener for fastening the lower guide member 23 to the lower frame member 22. Then, as shown in FIG. 1, the lower roller 26 is arranged at a portion of the lower portion of the door body 1 on the door tail side or in the vicinity of this portion.

As described above, the upper suspension means 17 for suspending the door body 1 from the upper rail member 14 is arranged at or near the door end side end portion in the upper portion of the door body 1, and the lower rail is also provided. Since the lower roller 26 mounted on the member 25 is arranged at or near the end of the door tail side at the lower part of the door body 1, the weight of the door body 1 is such that the door body 1 is vertical. It will be supported by the upper rail member 14 and the lower rail member 25 while being prevented from rotating in the plane.

FIG. 7 is a partially enlarged view of FIG. 6, showing the locations of the lower rail member 25 and the lower roller 26. As can be seen from FIG. 7, the lower rail member 25, which is a bent product of the sheet metal, extends in the thickness direction of the door body 1 to the side opposite to the above-mentioned hanging wall portion 2A side, and extends in the extending direction. A plate-shaped base portion 25A whose dimensions are the width dimension, and an upright portion 25B which stands vertically from the base end portion in the width direction of the base portion 25A whose opening / closing movement direction of the door body 1 is the length direction. The folded portion 25C which is folded downward from the upper end of the standing portion 25B and reaches the middle of the standing portion 25B and is overlapped with the standing portion 25B in the thickness direction of the door body 1, and the end portion of the folded portion 25C. It consists of a horizontal locking portion 25D that extends from the base portion 25A to the opposite side, and the dimension in the extending direction is the width dimension, and the connecting portion between the standing portion 25B and the folded portion 25C is a lower roller. 26 is a guide portion 25E on which the vehicle is rotatably engaged and mounted.

The base portion 25A is formed of the sliding member 9 by a screw 30 which is a fastener into which the male screw shaft portion 30A is screwed into the back nut 29 joined to the lower surface of the extension portion 9A of the sliding member 9. When the base portion 25A is fixed to the upper surface of the extension portion 9A and the base portion 25A is fixed to the upper surface of the extension portion 9A of the sliding member 9 with a screw 30, the locking portion 25D is the upper surface of the extension portion 9A of the sliding member 9. It is located at a height away from. Further, the upright portion 25B has a support member 31 mounted on the upper surface of the sliding member 9 on the side opposite to the base portion 25A in the thickness direction of the door body 1 and below the locking portion 25C. Are connected by screws 32.

In FIG. 9, which is a cross-sectional view taken along the line S9-S9 of FIG. 1, a plurality of screws 30 for attaching the lower rail member 25 to the extension portion 9A of the sliding member 9 are provided in the length direction of the lower rail member 25. The support member 31 is a long member having a length in the opening / closing movement direction of the door body 1 like the lower rail member 25.

As shown in FIG. 7, the lower guide member 23 housed and coupled inside the lower frame member 22 which is the lower force bone of the door body 1 is a base fixed to the lower frame member 22 by a screw 28. It is formed of a channel-shaped member that opens downward and consists of a portion 23A and a pair of hanging portions 23B and 23C that hang vertically from both ends in the width direction of the base portion 23A, which is the thickness direction of the door body 1. There is. Of the pair of hanging portions 23B and 23C, a huge portion 23D having a large width dimension in the thickness direction of the door body 1 is formed at the lower portion of the hanging portion 23B on the hanging wall portion 2A side. Inside the huge portion 23D, an insertion portion 23E into which the upper portion 33A of the lift prevention member 33 is inserted is formed. The lift prevention member 33 is provided with a lift prevention portion 33B that protrudes from the upper portion 33A to the lower side of the huge portion 23D and bends toward the lower roller 26 side and extends horizontally, and the lift prevention portion 33B is below. Below the locking portion 25D of the rail member 25, the rail member 25 faces the locking portion 25D in the vertical direction with a gap.

As described above, in the lower part of the door body 1, the lifting prevention member 33 arranged on the lower guide member 23 is the left-right direction of FIG. 1, which is the opening / closing movement direction of the door body 1, similarly to the lower guide member 23. Has a length dimension to.

FIG. 1 shows that the lower guide roller 35 inserted in the lower part of the door body 1 is arranged on the sliding member 9. The lower guide roller 35, which is arranged slightly closer to the door end side of the lower rail member 25 in the sliding member 9, is also shown in FIG. 5, and the lower guide roller 35 is placed on the upper surface of the sliding member 9. It is rotatably attached to the upper end of a support column 37 erected on the combined base member 36 in a horizontal plane about a vertical axis. Further, the lower guide roller 35 is inserted between the huge portion 23D and the hanging portion 23C of the hanging portion 23B of the lower guide member 23 described in FIG. 7.

As shown in FIG. 1, the door body 1 is provided with a grip portion 40 in the vicinity of the end portion on the door end side, and the grip portion 40 is provided on both sides of the door body 1 in the thickness direction, that is, It is provided on the outdoor surface and the indoor surface of the door body 1. Further, a locking device 41 is also provided near the end of the door body 1 on the door end side, and the strike 42 for receiving the dead bolt that appears and disappears from the end surface of the door body 1 of the door body 1 on the door end side is shown in FIG. As shown in 9, the door end side vertical frame member 3 is arranged.

When the door body 1 is opened and closed by the grip portion 40, the upper suspension roller 18 of the upper suspension means 17 is guided by the guide portion 14D of the upper rail member 14 and rolls, and the lower roller 26 guides the lower rail member 25. The door body 1 rolls while being guided by the portion 25E, whereby the door body 1 opens and closes while being guided by the upper rail member 14 and the lower rail member 25.

Therefore, the upper rail member 14, the mounting member 13 of FIG. 4 to which the upper rail member 14 is attached, the transom 4 in which the mounting member 13 is housed and coupled, and the transom 4 are removed. The above-mentioned inspection cover 5 that can be attached, the lower rail member 25, and the sliding member 9 on which the lower rail member 25 is arranged are immovable without opening and closing with respect to the door body 1 that opens and closes. It is an immovable member, and the door end side vertical frame member 3 and the vertical frame member 7 are also immovable members.

When the door body 1 opens and closes while being guided by the upper rail member 14 and the lower rail member 25, the runout of the steady rest means 20 of FIG. The stop member 21 is inserted and arranged in the space between the pair of rising portions 19B and 19C of the upper guide member 19 arranged on the upper part of the door body 1, and the door body 1 moves in this space. When opening and closing while being guided by the upper rail member 14 and the lower rail member 25, the upper part of the door body 1 swings in the thickness direction of the door body 1, and both ends of the door body 1 in the steady rest member 21 in the thickness direction. This is done while being prevented by the portions coming into contact with the rising portions 19B and 19C.

Further, as described above, in the present embodiment, the number of the upper suspension means 17 for suspending the door body 1 from the upper rail member 14 is one, but in the transom light 4, the attachment member 13 is used. Since the steady rest means 20 is attached, the opening / closing movement of the door body 1 is performed while preventing the upper portion of the door body 1 from swinging toward the door body 1 in the thickness direction.

Further, between the huge portion 23D and the hanging portion 23C of the hanging portion 23B of the lower guide member 23 arranged at the lower portion of the door body 1, the lower portion 9 is arranged on the sliding member 9 which is an immovable member. Since the guide roller 35 is inserted, the door body 1 opens and closes while being guided by the upper rail member 14 and the lower rail member 25, so that the lower part of the door body 1 swings in the thickness direction of the door body 1. This is done while being prevented by the lower guide roller 35.

As described above, the suspending means 17 is arranged at or near the door end side end portion in the upper part of the door body 1, whereas the steady rest means 20 is provided at the door body 1. When the door body 1 has reached the fully closed position because it is arranged at or near the end of the door tail side in the upper part of the door body 1. In addition, the suspending means 17 and the steady rest means 20 are arranged at a large interval in the opening / closing movement direction of the door body 1, whereby the upper part of the door body 1 is arranged in the thickness direction of the door body 1. The door body 1 can be opened and closed by a large distance while preventing the door body 1 from swinging significantly.

Further, when the lower roller 26 of the door body 1 tries to lift up from the lower rail member 25 due to an external force acting on the door body 1, the lift prevention portion of the lift prevention member 33 arranged at the lower part of the door body 1 is lifted. The 33B is locked to the locking portion 25D of the lower rail member 25 from the lower side, whereby the lower roller 26 is prevented from rising and the lower roller 26 is prevented from falling off from the lower rail member 25. Will be done.

Therefore, the lift prevention member 33 arranged at the lower part of the door body 1 and the locking portion 25D of the lower rail member 25 constitute the lift prevention means 44 of the lower roller 26 shown in FIG. 7.

Further, in the present embodiment, as shown in FIGS. 4 to 6, an upper frame member 16 provided with a rising portion 16B is arranged on the upper portion of the door body 1, and the rising portion 16B is provided with the rising portion 16B. Since the door body 1 is provided closer to the inspection cover 5 than the hanging means 17 and the steady rest means 20 in the thickness direction of the door body 1, the rising portion 16B and the inspection cover 5 provide the hanging means 17 and the steady rest. The means 20 and the like can be protected from external force, dust and the like.

Further, as described with reference to FIG. 4, the extension portion 14C formed vertically downward on the lower portion of the upper rail member 14 is connected to the transom 4 in order to attach the upper rail member 14 to the transom 4. Since the door body 1 extends downward beyond the lower end 13B of the mounting member 13, the lower end 13B of the mounting member 13 is still the upper rail member even when the door body 1 moves to the fully open position where the doorway 6 shown in FIG. 3 is opened. It is hidden by the extension 14C of 14 and is not exposed to the outside. Therefore, it is not necessary to perform surface treatment work such as painting the extension portion 14C on the mounting member 13, and the mounting member 13 which is a bent product of the metal plate can be used as it is.

As shown in FIG. 6, the above-mentioned vertical frame member 7 and the lower guide member 23 of the door body 1 are provided between the vertical frame member 7 and the door body 1 or between the door body 1 and the sliding member 9. An airtight member 45 is arranged to ensure airtightness between the door and the door, and as shown in FIG. 9, the airtight member 45 is also arranged in the door end side vertical frame member 3. The airtight member 45 is also arranged at a position different from the position shown in FIG. 6 of the vertical frame member 7.

As shown in FIG. 8, a wire 51 which is a string-like member is provided inside the door body 1, and the door body 1 is closed and moved by the pulling force of the drawn wire 51. The automatic closing device 50 is housed and arranged, and the automatic closing device 50 arranged at or near the door tail side end portion in the upper part of the door body 1 has a door on the upper surface of the automatic closing device 50. It is exposed upward from the openings formed in the horizontal portion 16A of the upper frame member 16 and the base portion 19A of the upper guide member 19 arranged on the upper part of the body 1, and is stored and fixed inside the door body 1. There is. The wire 51 is wound around the reel 52 rotatably housed inside the automatic closing device 50, and the portion of the wire 51 beyond the reel 52 is on the upper surface of the automatic closing device 50. It is led out from the upper surface of the automatic closing device 50 by the rotation guide action of the rotation guide member 53 rotatably arranged inside the automatic closing device 50 nearby, and the tip of the wire 51 is provided in the steady rest means 20. It is connected to the connecting portion 54. Further, inside the automatic closing device 50, a return spring such as a mainspring that accumulates a spring force for winding the wire 51 around the reel 52 when the wire 51 is unwound from the reel 52 is also housed.

Therefore, when the door body 1 is opened and moved to the fully open position or the like by the hand holding the grip portion 40 shown in FIG. 1 or the like, the spring force is accumulated in the return spring while the wire 51 is unwound from the reel 52. Therefore, when the hand is released from the grip portion 40, the reel 52 winds up the wire 51 by the accumulated spring force, and the door body 1 automatically closes and moves to the fully closed position by the pulling force acting on the wire 51. To do.

As described above, the automatic closing device 50 of the present embodiment is arranged on the door body 1, and is not arranged on the upper rail member 14, the mounting member 13, and the transom light 4, which are the immovable members described above. Therefore, unlike the case where the automatic closing device 50 is arranged on the upper rail member 14, the mounting member 13, and the transom 4, the height dimension of the upper rail member 14, the mounting member 13, and the transom 4 is set to the automatic closing device 50. It is not necessary to increase the size corresponding to the vertical dimension of. According to this, since the height dimensions of the upper rail member 14, the mounting member 13, and the transom light 4 can be reduced, the height position of the upper side of the doorway 6 opened and closed by the door body 1 is affected by the automatic closing device 50. The height of the doorway 6 can be increased even if the sliding door device is installed at a site where the ceiling height is low.

Further, the wire 51, which is a string-like member drawn out from the automatic closing device 50, is derived from the upper surface of the automatic closing device 50 and is not derived from the side surface or the bottom surface of the automatic closing device 50. The connecting portion of the steady rest means 20 which extends the 51 diagonally upward of the door body 1 and also serves as the above-mentioned immovable member which does not open and close and move the tip of the wire 51 with respect to the door body 1 which opens and closes. It can be easily connected to 54.

Further, as described above, the rotation guide member 53 is rotatably arranged inside the automatic closing device 50 near the upper surface of the automatic closing device 50, and the rotation guide action of the rotation guide member 53 causes the rotation guide member 53 to rotate. Since the wire 51 is led out from the upper surface of the automatic closing device 50, the wire 52 can be smoothly led out from the upper surface of the automatic closing device 50 by the rotation guide action of the rotation guide member 53. Can be done.

As shown in FIG. 8, the upper rail member 14 arranged inside the transom 4 reduces the closing movement speed of the door body 1 when the door body 1 approaches the fully closed position. A door closing device 55 for the purpose is attached, and the portion where this attachment is performed is the above-mentioned fitting portion 14B provided on the upper rail member 14 as shown in FIGS. 4 and 5. Is. As shown in FIG. 5, of the pair of rising portions 19B and 19C of the upper guide member 19 arranged above the door body 1, the rising portion 19B on the hanging wall portion 2A side has a door closing device. An actuating member 56 for actuating the 55 is attached. As shown in FIG. 8, the door closing device 55 includes a device main body 55A and a locking member 55B that can reciprocate with respect to the device main body 55A in the opening / closing movement direction of the door body 1. When the door body 1 has reached the fully open position, the locking member 55B has reached the opening side movement limit position away from the device main body 55A in the opening movement direction of the door body 1.

The device main body 55A includes a long-sized coil spring in which a tensile force is accumulated when the locking member 55B reaches the movement limit position on the opening side from the device main body 55A, and the locking member 55B with respect to the device main body 55A. When the door body 1 moves in the closing movement direction and this movement approaches the movement limit position on the closing side, the locking member 55B moves due to the resistance action of the fluid such as oil filled inside the apparatus main body 55A. A damper for reducing the speed and a guide member for guiding the movement of the locking member 55B are provided. The locking member 55B is swingable about the swing center axis, and the swinging allows the operating member 56 to engage and disengage from the locking member 55B.

Therefore, when the hand is released from the grip portion 40 of the door body 1 that has reached the fully opened position and the door body 1 is automatically closed and moved by the automatic closing device 50, the operating member 56 is moved by the operating member 56 in the middle of the process. The door body 1 and the door closing device 55 are connected to each other by being locked to the locking member 55B of the door closing device 55 that swings when the 56 comes into contact with each other. The door closing device 55 closes and moves due to the pulling force of the long-sized coil spring and the pulling force of the wire 51 of the automatic closing device 50. When the locking member 55B approaches the above-mentioned movement limit position on the closing side, in other words, when the door body 1 approaches the fully closed position, the moving speed of the locking member 55B decreases due to the action of the above-mentioned damper. , The door body 1 reaches the fully closed position while reducing the closing movement speed.

Further, when the door body 1 which has reached the fully closed position is opened and moved by the hand holding the grip portion 40, the door body 1 and the locking member 55B move by the action of the check valve provided on the damper. When the locking member 55B reaches the above-mentioned movement limit position on the opening side while accumulating a tensile force on the long coil spring, the locking member 55B is guided to move. Due to the action of the guide groove formed in the above-mentioned guide member, the locking member 55B swings in the direction opposite to the above-mentioned direction, so that the operating member 56 locked to the locking member 55B has this. It separates from the locking member 55B, whereby the door body 1 separates from the door closing device 55 and reaches an opening position such as a fully open position.

10 and 11 show an enlarged view of the suspending means 17 shown in FIG. 8 and the like, FIG. 10 is a front view of the suspending means 17, and FIG. 11 shows the suspending means 17. It is a left side view seen from the door end side. As can be seen from FIGS. 10 and 11, the upper suspension means 17 provided on the upper part of the door body 1 has a lower pedestal member 60 and an upper roller support mounted on the pedestal member 60. It is configured to include the bracket member 61. The roller support bracket member 61 is an end portion of the horizontal base portion 61A and both ends of the base portion 61A in the thickness direction of the door body 1 on the side opposite to the upper rail member 14 side on the hanging wall portion 2A side. It has an upright portion 61B that stands vertically from the door, and two suspension rollers 18 are rotatably supported by the upright portion 61B with a small interval in the opening / closing movement direction of the door body 1.

The pedestal member 60 includes two upper and lower horizontal portions 60A and 60B, and the upper rail member 14 side which is the hanging wall portion 2A side of both ends of the horizontal portions 60A and 60B in the thickness direction of the door body 1. Has a shape that opens laterally in the thickness direction of the door body 1 having a connecting portion 60C that connects the opposite ends, and the upper horizontal portion 60A is a pedestal member 60. The upper horizontal portion 60B is a lower portion of the pedestal member 60 provided on the lower side of the upper portion. The base 61A of the roller support bracket member 61 is placed on the upper horizontal portion 60A via the space member 62, and these horizontal portions 60A and the base 61A are connected by a bolt 63 penetrating the space member 62. As a result, the roller support bracket member 61 is attached to the pedestal member 60. Further, as shown in FIG. 8, the horizontal portion 60B on the lower side of the pedestal member 60 is connected to the horizontal portion 16A of the upper frame member 16 which is the upper force bone of the door body 1 with a screw 64.

The pedestal member 60, which is a bent product of thick plate metal, is provided with face portions 60D and 60E formed by bending downward from the horizontal portion 60A at both ends of the upper horizontal portion 60A in the opening / closing movement direction. Has been done.

A plate-shaped guide member 65 is attached to the upper surface of the horizontal portion 60B below the pedestal member 60 with screws 66. The lock bar member 67 shown in FIGS. 4 and 8 is housed inside the door body 1 so as to be vertically movable, and the head portion 67A of the lock bar member 67 is as shown in FIG. The holes 60F formed in the lower horizontal portion 60B of the pedestal member 60 and the holes 65A formed in the guide member 65 are penetrated from the bottom to the top, and the upper and lower horizontal portions 60A and 60B of the pedestal member 60B. It protrudes between. The lock bar member 67 moves up and down by operating an operating member 68 such as a lever of FIG. 1 provided on the door body 1, and the operating member 68 is a door body 1 that opens and closes the entrance / exit 6 of the entrance. It is arranged on the indoor surface of both sides in the thickness direction.

As shown in FIG. 11, a lock member 69 is attached to the attachment member 13 also shown in FIG. 4 by a screw 70, and the lock member 69 made of thick plate metal is attached to the attachment member 13 by the screw 70. It has a base portion 69A coupled to the door body 69A and an extension portion 69B extending horizontally from the base portion 69A to the door body 1 side, and as shown in FIG. 10, the opening and closing of the door body 1 in the length direction. An opening 71 penetrating vertically is formed in the extending portion 69B which is in the moving direction. The head portion 67A of the lock bar member 67 is formed by cutting flatly between the upper portion and the lower portion of the round bar-shaped member whose axial direction is in the vertical direction at two locations facing each other. Therefore, as shown in FIG. 11, the head 67A is formed between the upper 67B and the lower 67C, which are both circular in a plan view, and the upper 67B and the lower 67C. It has two flat portions 67D and 67E. Such a shape of the head 67A is also shown in FIG. 12, which shows the planar shape of the lock member 69.

As shown in FIG. 12, in the opening 71 formed in the extending portion 69B of the lock member 69, about the upper half of the head 67A of the lock bar member 67 penetrates from the bottom to the top. The opening 71 is narrow in the opening movement direction of the door body 1 from the large portion 71A having a size through which the upper portion 67B of the head 67A penetrates and the large portion 71A. It is composed of a narrow extension portion 71B extending in a shape, and the width dimension W1 of the narrow extension portion 71B is smaller than the diameter dimension (plan view dimension) of the upper portion 67B of the head 67A, and is 2 of the head 67A. It is larger than the interval dimension W2 of the flat portions 67D and 67E.

Therefore, the head portion 67A of the lock bar member 67 is smaller than the large portion 71A and larger than the width dimension W1 of the narrow extension portion 71B in a plan view, and the first portion (the portion of the upper portion 67B). A second portion (where two flat portions 67D and 67E are formed) provided below the first portion and smaller than the width dimension W1 of the narrow extension portion 71B in a plan view. It is supposed to have.

When the door body 1 is opened and closed by the hand holding the grip portion 40 as described above, the lock bar member 67 is lowered by operating the operation member 68 such as the lever described above, whereby the lock bar member 67 is moved. The upper surface of the head portion 67A of the head 67A is lowered to a position below the lower surface of the lock member 69 as shown by the alternate long and short dash line in FIG. As a result, the door body 1 can be opened and closed.

When the door body 1 is closed and moved to be fully closed and then the door body 1 is locked from the indoor side of the entrance / exit 6 of the entrance opened / closed by the door body 1, the lock bar member 67 is operated by the operation member 68. Raise it. As a result, as shown by the solid line in FIG. 11, of the head 67A of the lock bar member 67, the upper portion 67B and a part of the flat portions 67D and 67E are opened in the lock member 69. Of the portions 71, they are inserted into the large portion 71A from bottom to top. Then, when the door body 1 is opened and moved, the flat portions 67D and 67E shift from the large portion 71A to the elongated extension portion 71B as shown by the alternate long and short dash line in FIG. 12, and the head 67A moves. When the end portion 71C of the elongated extension portion 71B is reached, the head 67A abuts on the end portion 71C, so that the door body 1 cannot be opened and moved any further, and the door body 1 is locked.

As a result, a person who is inside the entrance / exit 6 of the entrance can open and move the door body 1 by the length of the narrow extension portion 71B to visually check the outdoor side of the entrance / exit 6. At the same time, a person who is on the outdoor side of the entrance / exit 6 of the entrance cannot further open the door body 1 by the grip portion 40 and move it. Further, a person who is outside the room of the entrance / exit 6 of the entrance inserts a hand or the like through a gap on the door end side of the door body 1 which is slightly opened and moved from the fully closed position to operate the above-mentioned operating member 68. Even if the lock bar member 67 is to be lowered, the upper portion 67B of the head 67A of the lock bar member 67 is locked to the narrow extension portion 71B from above, so that the entire head 67A is the narrow extension portion 71B. Since the lock bar member 67 cannot be lowered until it comes out of the door body 1 and the door body 1 cannot be opened and moved, the safety of the doorway 6 at the door body entrance is ensured.

Further, a person on the indoor side of the entrance / exit 6 of the entrance closes and moves the door body 1 to the fully closed position, and then lowers the lock bar member 67 by the operating member 68 to open the door body 1 to the fully open position. Can be moved.

In the present embodiment, as described above, the upper suspension means 17 that suspends the door body 1 from the upper rail member 14 is arranged at or near the door end side end portion in the upper portion of the door body 1. The above-mentioned suspending means 17 is arranged at the same location or substantially the same location in the opening / closing movement direction of the door body 1 with respect to the lock bar member 67 which is vertically arranged on the door body 1. When the door body 1 has reached the fully closed position, the position where the lock member 69 attached to the attachment member 13 of the transom light 4 which is the above-mentioned immovable member is aligned with or substantially one in the opening / closing movement direction of the door body 1. Therefore, originally, it is difficult or impossible to arrange the lock member 69 at such an arrangement location due to the positional relationship with the suspending means 17.

However, the suspending means 17 of the present embodiment is configured to include the pedestal member 60 as described above, and the pedestal member 60 is spaced above and below as shown in FIG. It is a portion arranged with a gap between the two horizontal portions 60A and 60B, which are the above-mentioned upper portion and the lower portion, and has a horizontally open shape, and these horizontal portions 60A. , 60B and the above-mentioned connecting portion 60C form a space portion S1. Therefore, the pedestal member 60 is a space portion forming member for forming the space portion S1, and the lock member 69 is inserted in the space portion S1 and the thickness of the lock member 69 is increased from the attachment member 13 side of the transom light 4 to the door body 1. It can be inserted in the direction, and by this insertion, the lock member 69 is attached to the attachment member 13 of the transom light 4 without interfering with the hanging means 17 of the door body 1 when the fully closed position is reached. be able to.

Further, since the head portion 67A of the lock bar member 67 can be projected from the space portion S1, the head portion 67A can be inserted into the opening 71 of the lock member 69. Further, as can be seen from FIG. 11, the space portion S1 is formed so as to penetrate in the opening / closing movement direction of the door body 1, so that even if the door body 1 is opened / closed and moved, the lock member 69 constitutes the suspending means 17. It does not interfere with the pedestal member 60 which is a member.

Further, according to the present embodiment, the pedestal member 60, which is a space portion forming member for forming the space portion S1, is formed by one component, and therefore, the space portion forming member is used. Furthermore, the suspending means 17 including the space forming member can be configured with a simple structure with a small number of parts.

Further, in the present embodiment, as described above, the space member 62 is intervened between the pedestal member 60 of the suspending means 17 and the roller support bracket member 61. Therefore, by changing the number of space members 62 that are vertically stacked and intervened between the pedestal member 60 and the roller support bracket member 61, or by not intervening the space member 62, the rollers are supported on the pedestal member 60. The height position of the bracket member 61 can be adjusted, that is, the vertical dimension of the entire door body 1 including the suspending means 17 can be adjusted, whereby the above-mentioned upper rail member 14 and the lower rail can be adjusted. The vertical dimension of the entire door body 1 including the suspending means 17 can be adjusted to a dimension appropriately corresponding to the vertical spacing dimension between the member 25 and the member 25.

FIG. 13 shows a plan view of the space member 62. The space member 62 includes a knob portion 62A provided at the end on the door end side and can be picked with a finger, and an extension portion 62B formed so as to extend from the knob portion 62A to the door end side. The extension portion 62B is provided with a notch portion 62C formed long from the end portion of the extension portion 62B on the door end side to the door end side.

By the way, as shown in FIG. 4, the space member 62 arranged between the pedestal member 60 of the suspending means 17 and the roller supporting bracket member 61 is provided with the pedestal member 60 and the roller supporting bracket member. When inserting the space member 62 between the door body 1 and the door body 1, even if the space member 62 is inserted from the side where the inspection cover 5 is located after the inspection cover 5 is removed from the transom light 4 in FIG. The above-mentioned upper frame member 16 is arranged on the upper portion, and the upper frame member 16 is a rising portion rising from both ends of the horizontal portion 16A in the width direction opposite to the hanging wall portion 2A side. Since the space member 62 is provided, it is difficult to insert the space member 62 due to the influence of the rising portion 16B.

However, in the space member 62 of the present embodiment, as described above, the knob portion 62A is provided at the end portion on the door end side, and the extension portion 62B is formed so as to extend from the knob portion 62A toward the door end side. Since the extension portion 62B is provided with a notch portion 62C formed long from the end portion of the extension portion 62B on the door end side to the door end side, after the door body 1 is opened to the fully open position or the like and moved. Loosen the bolt 63 of FIG. 10 that connects the pedestal member 60 of the suspending means 17 and the roller support bracket member 61, and then pull the space member 62 picked by the grip portion 62A with the alternate long and short dash line of FIG. As shown, the bolt 63 can be inserted between the pedestal member 60 and the roller support bracket member 61 from the door end side while being fitted into the notch 62C, and then the bolt 63 is tightened. Therefore, the space member 62 can be fixed between the pedestal member 60 and the roller support bracket member 61.

When the space member 62 is pulled out from between the pedestal member 60 and the roller support bracket member 61, the work opposite to the above may be performed. Therefore, the space member 62 is separated from the pedestal member 60 and the roller support bracket member 61. The work for inserting and removing between the doors can be easily performed by the work from the door end side.

Further, in the suspension means 17 according to the present embodiment, as shown in FIGS. 4 and 11, the suspension roller 18 falls off from the upper rail member 14 in the roller support bracket member 61. A dropout prevention member 75 is provided to prevent the above. The fall-off prevention member 75 arranged below the suspension roller 18 is a bolt screwed into the upright portion 61B of the roller support bracket member 61, and is horizontally located below the suspension roller 18. It has a rod-shaped portion 75A extending to the hanging wall portion 2A. As can be seen from FIG. 4, the rod-shaped portion 75A is arranged below the guide portion 14D of the upper rail member 14 with which the upper suspension roller 18 is engaged from above.

Therefore, when the upper suspension roller 18 tries to fall off from the upper rail member 14 upward due to an external force acting on the door body 1, the rod-shaped portion 75A of the fall prevention member 75 is the lower surface of the guide portion 14D of the upper rail member 14. The upper suspension roller 18 is prevented from falling off from the upper rail member 14 upward.

14 to 16 show an enlarged view of the steady rest means 20 shown in FIG. 8 and the like, FIG. 14 is a front view of the steady rest means 20, and FIG. 15 shows the steady rest means 20. It is a left side view seen from the door end side, and FIG. 16 is a right side view of the steady rest means 20 seen from the door end side. As shown in FIGS. 14 to 16, the main body 77, which is a bent product of the thick plate metal of the steady rest means 20, is the mounting member 13 which is the above-mentioned immovable member shown in FIG. A base portion 77A attached to the extension portion 13C extending to the door end side of the door body with a screw 78, and two base portions 77A connected to the base portion 77A and arranged side by side at intervals in the opening / closing movement direction of the door body 1. The mounting portions 77B and 77C are provided, and between the upper portions of the mounting portions 77B and 77C, a screw 79 is used to extend the length to the mounting portions 77B and 77C as shown in FIG. A connecting member 80 made of a tubular member whose end faces in both directions are abutted and connected is bridged, whereby the mounting portions 77B and 77C are connected to each other while ensuring the connecting strength. Further, the steady rest member 21 described with reference to FIG. 6 is inserted and arranged between the lower portions of the mounting portions 77B and 77C, and is connected to the mounting portions 77B and 77C with screws 81 as shown in FIG. The steady rest member 21 has already been described with reference to FIG. 6, and as shown in FIG. 15, a pair of rising portions 19B, 19C of the upper guide member 19 arranged above the door body 1. It is inserted between.

As shown in FIG. 14, of the two mounting portions 77B and 77C, the door stop member 82 made of hard synthetic resin, rubber, or the like is attached to the door end side mounting portion 77B with a screw 83. The surface portion 60E of the pedestal member 60 of FIG. 10 constituting the upper suspension means 17 of the door body 1 is attached to the door stop member 82 which is attached and is attached to the attachment portion 77B in a state of projecting toward the door end side. Upon contact, the door body 1 reaches the open movement limit position, that is, the fully open position.

Therefore, the steady rest means 20 for preventing the upper portion of the door body 1 from swinging in the thickness direction of the door body 1 when the door body 1 is being opened / closed is for defining the fully open position of the door body 1. It also serves as a door body fully open position defining means arranged on the mounting member 13 which is the above-mentioned immovable member.

Further, as shown in FIG. 14, of the two mounting portions 77B and 77C, the rising portion 85A of the support member 85, which is an L-shaped member, is screwed to the mounting portion 77C on the door tail side. A tubular pin member 87 is inserted into the horizontal portion 85B attached at 86 and extends from the lower end portion of the rising portion 85A to the door tail side from above and screwed into the horizontal portion 85B. It is erected and fixed by a screw 88, which is a long-sized fastener. Then, on the pin member 87 supported by the support member 85, a ring portion 51A provided at the tip end portion of the wire 51 which is a string-shaped member that can be freely extended from the automatic closing device 50 described with reference to FIG. It is connected by inserting from above. Therefore, the pin member 87 is the connecting portion 54 of FIG. 8 provided in the steady rest means 20 in order to connect the tip end portion of the wire 51 to the steady rest means 20.

Therefore, the steady rest means 20 for preventing the upper portion of the door body 1 from swinging in the thickness direction of the door body 1 when the door body 1 is being opened and closed is an automatic closing device arranged inside the door body 1. In order to connect the tip of the wire 51 of 50 to the mounting member 13 which is an immovable member, it also serves as a wire tip connecting means arranged on the mounting member 13.

The steady rest means 20 is arranged on the mounting member 13, and the mounting member 13 is an immovable member that does not open and close with respect to the door body 1 that opens and closes. Therefore, the steady rest means 20 is also described above. The connecting portion 54, which is an immovable member and is a part of the steady rest means 20, is also an immovable member.

In FIG. 17, as described above, the surface portion 60E of the pedestal member 60 constituting the suspending means 17 of the door body 1 comes into contact with the door stop member 82 provided in the steady rest means 20, thereby causing the door body to come into contact with the door stop member 82. The time when 1 reaches the fully open position is shown. Since the surface portion 60E of the pedestal member 60 is provided below the upper suspension roller 18 of the upper suspension means 17, the contact is placed and engaged with the guide portion 14D of the upper rail member 14 described above. It will be performed at a position lower than the arrangement position of the above suspension roller 18.

By the way, when the suspending means 17 of the door body 1 that is opening and moving comes into contact with the door stop member 82, the center of gravity of the entire door body 1 is located at the central portion or substantially the central portion of the door body 1 in the vertical direction or its vicinity. Due to the existence of the door body 1, the lower portion of the end portion of the door body 1 on the open side faces upward with respect to the upper suspension roller 18 mounted on the upper rail member 14 due to the inertial force of the door body 1 that originally opened and moved. A large swinging force that tends to swing is generated in the door body 1, and this becomes even more remarkable when the hanging means 17 of the door body 1 comes into contact with the door stop member 82 at a high speed.

However, in the present embodiment, the suspension means 17 comes into contact with the door stop member 82 at a position lower than the position where the suspension roller 18 is arranged. Therefore, the suspension means from the door stop member 82 is suspended from the door stop member 82. The reaction force acting on the 17 is a swinging force that attempts to swing the door body 1 in a direction that cancels the large swinging force centered on the suspension roller 18, and therefore, when the door body 1 reaches the fully open position. In addition, it is suppressed that a large swinging force is generated in the door body 1 so that the lower portion of the end portion on the opening side of the door body 1 tends to swing upward around the suspension roller 18.

Further, the surface portion 60E of the pedestal member 60 is the abutting portion of the present embodiment that abuts on the door stop member 82, and the pedestal member 60 is on the side opposite to the surface portion 60E in the opening / closing movement direction of the door body 1. Since the surface portion 60D is also provided, the hanging means 17 according to the present embodiment can be used as it is for the door body whose opening / closing movement direction is opposite to that of the door body 1 of the present embodiment. In other words, in the present embodiment, two contact portions that come into contact with the door stop member 82 are provided as surface portions 60D and 60E on both sides of the pedestal member 60 in the opening / closing movement direction. , It can be commonly used for sliding door devices in which the opening and closing movement directions of the door body are different on the left and right.

Further, the door stop member 82 is provided in the steady rest means 20 as described above, and the position of the door stop member 82 in the steady rest member 20 is the above-mentioned steady rest member 21 provided in the steady rest means 20. Since it is closer to the closing movement side of the door body 1, the steady rest member 21 does not affect the fact that the hanging means 17 is brought into contact with the door stop member 82 to stop the door body 1 at the fully open position. Can be done.

In FIG. 18, the lift-up prevention member 33, which is a member on the door body 1 side of the lift-up prevention means 44 described with reference to FIG. 7, is shown by a two-dot chain line. The length dimension L1 of the lift prevention member 33 whose opening / closing movement direction of the door body 1 is the length direction is the same as the left / right dimension of the door body 1 (the opening / closing movement direction dimension of the door body 1) or from L2. Is also slightly shorter in size. The dimensions L1 and L2 are larger than the left and right dimensions L3 of the doorway 6 opened and closed by the door body 1.

Therefore, as shown in FIG. 18, after the door body 1 is opened and moved to the fully opened position, the lifting prevention member 33 is placed inside the lower portion of the door body 1 on the end surface of the door body 1 on the door end side. Even if an attempt is made to insert the hole through the formed hole, the lifting prevention member 33 cannot be brought into the doorway 6, so that this work cannot be performed. Further, even if the door body 1 is moved to the fully closed position and the lifting prevention member 33 is inserted into the lower part of the door body 1 through the hole formed in the end surface of the door body 1 on the door end side. As shown in FIG. 9, the above-mentioned wall 2 is provided with a vertical wall portion 2B formed so as to project close to the end portion of the sliding member 9 on the door tail side, and the vertical wall portion 2B is provided. Since the left-right dimension L4 between 2B and the end face of the door body 1 reaching the fully closed position on the door end side is smaller than the length dimension L1 of the lift prevention member 33, the lower portion of the door body 1 It is also not possible to insert the lifting prevention member 33 inside through the hole formed in the end surface of the door body 1 on the door end side.

Therefore, as shown in FIG. 18, the floating prevention member 33 according to the present embodiment is formed of a plurality of divided members 90 and 91 divided in the length direction, and two divided members 90 and 91 in the present embodiment. There is. The length dimension of the dividing member 90 is L5, the length dimension of the dividing member 91 is L6, and the total dimension of these length dimensions L5 and L6 is the same as the length dimension L1 of the lifting prevention member 33. In addition, the respective length dimensions L5 and L6 are smaller than the above-mentioned left and right dimensions L3 and L4. The length dimension L5 and the length dimension L6 may be set to the same length dimension, thereby facilitating the manufacture of the two divided members 90 and 91.

In the present embodiment in which the lifting prevention member 33 is formed by the two dividing members 90 and 91 divided in the length direction as described above, when the door body 1 is opened and moved to the fully opened position, the lower portion of the door body 1 is moved. From the hole formed on the end face on the door end side of the door, and from the hole formed on the end face on the door end side of the lower part of the door body 1 when the door body 1 is closed and moved to the fully closed position. , The upper parts 90A and 91A of the split members 90 and 91 are sequentially inserted into the insertion portion 23E formed in the huge portion 23D of the lower guide member 23 described with reference to FIG. A lift prevention member 33 having a length dimension L1 due to the split members 90 and 91 being arranged in series can be arranged at the lower part.

The holes formed in the end surface of the lower part of the door body 1 on the door end side and the end surface on the door end side are, for example, inserted into the inside of the door body 1 from the lower surface of the door body 1 to fasten screws or the like. It is closed by the stop members 92 and 93 that are fastened to the buttock of the door body 1 with the tool.

FIG. 19 shows a structure for fixing the lower rail member 25 to the upper surface of the extension portion 9A of the sliding member 9 shown in FIG. As described with reference to FIG. 7, the lower rail member 25 has a base portion 25A formed long on the lower rail member 25 in the opening / closing movement direction of the door body 1 on the lower surface of the extension portion 9A of the sliding member 9. It is fixed to the upper surface of the extension portion 9A of the rail member 9 by being coupled to the upper surface of the extension portion 9A of the rail member 9 by a screw 30 which is a fastener screwed into the joined back nut 29. A plurality of back nuts 29 and screws 30 are provided in the length direction of the lower rail member 25, which is the opening / closing movement direction of the door body 1.

The plate-shaped base portion 25A of the lower rail member 25 is formed with a hole 95 for vertically inserting the male screw shaft portion 30A screwed into the back nut 29 among the screws 30. The extension portion 9A of the rail member 9 is formed with round holes for inserting the male screw shaft portion 30A up and down, and the male screw shaft is formed on the lower surface of the extension portion 9A in accordance with the positions of these round holes. The back nut 29 into which the portion 30A is screwed is joined. Then, in the present embodiment, as shown in FIG. 19, among the plurality of holes 95 formed in the base portion 25A of the lower rail member 25, the above-mentioned lower guide roller 35 arranged in the sliding member 9 The hole 95A formed at the position closest to is a normal round hole, and the other holes 95B and 95C are elongated holes having a length component in the thickness direction of the door body 1. These elongated holes 95B and 95C may be arcuate elongated holes centered on the round hole 95A, and are thick as long as they have a width dimension sufficiently larger than the diameter of the male screw shaft portion 30A. It may be a linear elongated hole extending in the longitudinal direction.

In this embodiment, in which the fixing structure of the lower rail member 25 is formed by the screw 30 and the back nut 29, the male screw shaft of the screw 30 is formed in the round hole 95A formed within the length of the lower rail member 25. By inserting the portion 30A, the arrangement position of the lower rail member 25 on the upper surface of the extension portion 9A of the sliding member 9 is adjusted in the direction having the component in the thickness direction of the door body 1 around the screw 30. After making this adjustment, the lower rail member 25 can be fixed to the upper surface of the extension portion 9A of the sliding member 9 by tightening the back nut 29 of each screw 30.

Therefore, according to the present embodiment, the arrangement position of the lower rail member 25 on the upper surface of the extension portion 9A of the sliding member 9 can be adjusted in the direction having the component in the thickness direction of the door body 1, thereby. The lower rail member 25 can be arranged in a predetermined positional relationship in the thickness direction of the door body 1 with respect to the upper rail member 14 which is the above-mentioned upper rail means, and the upper rail member 1 can be suspended. Can be smoothly opened and closed by guiding the upper rail member 14 and the lower rail member 25.

In particular, as described with reference to FIG. 3, the displacement member 9 of the present embodiment is an extension portion extending in the opening movement direction side of the door body 1 beyond the doorway 6 which is an opening that is opened and closed by the door body 1. It has a long dimension of 9A, and when the extension 9A is fixed to the floor 8 shown in FIG. 3, the extension 9A is accurately extended and fixed in the opening / closing movement direction of the door body 1. This is difficult, and the extension portion 9A is displaced in the thickness direction of the door body 1 around the base end portion of the extension portion 9A, and such an error occurs and the extension portion 9A is fixed to the floor 8. It may end up.

However, according to the present embodiment, the position of the lower rail member 25 on the upper surface of the extension portion 9A of the sliding member 9 is determined by the thickness of the door body 1 centered on the screw 30 in which the male screw shaft portion 30A is inserted into the round hole 95A. Since the adjustment can be performed by changing the runout in the longitudinal direction by the elongated holes 95B and 95C described above, the original opening / closing movement direction of the door body 1 and the extension direction of the lower rail member 25 are made to match or substantially match. In other words, the extension direction of the upper rail member 14 which is the above-mentioned upper rail means and the extension direction of the lower rail member 25 are made parallel or substantially parallel, and the lower rail member 25 is made to be the extension portion 9A of the sliding member 9. Can be fixed to the upper surface of.

Further, the lower guide roller 35 arranged on the sliding member 9 is a means for preventing the door body 1 from swinging in the thickness direction of the door body 1, and the lower part of the door body 1 is formed. The lower guide roller 35 guides the door to open and close in the left-right direction. In the present embodiment, the lower of the holes 95A, 95B, 95C formed in the base portion 25A of the lower rail member 25. The hole 95A, which is the closest to the guide roller 35 and is formed on the opening movement direction side of the door body 1 with respect to the lower guide roller 35, is a normal round hole, and the other holes 95B. , 95C are elongated holes having a length component in the thickness direction of the door body 1, and therefore, these lengths centered on the portion of the round hole 95A provided within the length of the lower rail member 25. By adjusting the arrangement position of the lower rail member 25 by the holes 95B and 95C, the opening / closing movement of the lower guide roller 35 as a reference in the thickness direction of the door body 1 can be effectively realized as a predetermined value. Become.

Further, the base portion 25A of the lower rail member 25 has a plate-like shape in which the opening / closing movement direction of the door body 1 is the length direction and the thickness direction of the door body 1 is the width direction. The portion 25A can have a sufficiently large width dimension, and therefore, elongated holes 95B and 95C having a length component in the thickness direction of the door body 1 can be effectively provided in the base portion 25A.

The above-mentioned circle formed on the extension portion 9A of the sliding member 9 by omitting the back nut 29 joined to the lower surface of the extension portion 9A of the sliding member 9 in order to screw in the male screw shaft portion 30A of the screw 30. The hole may be a female screw hole into which the male screw shaft portion 30A of the screw 30 is screwed.

20 to 23 show the transom light 4 shown in FIGS. 1 and 4, FIG. 20 is a front view of the transom light 4, and FIG. 21 is a plan view of the transom light 4. 22 is a left side view of the transom light 4 as seen from the door end side, and FIG. 23 is a right side view of the transom light 4 as seen from the door end side. As shown in FIG. 4, the transom 4 having a main portion formed by bending a sheet metal has an upper surface portion 4A and a hanging portion 4B, and is formed on an inner surface of the transom 4 in the hanging portion 4B. The mounting member 13 shown in FIG. 4 is joined by welding or the like. As shown in FIG. 20, a receiving member 100 is joined to a portion of the lower surface of the upper surface portion 4A near the end on the door end side by welding or the like, and the receiving member 100 is shown in FIG. As shown above, with respect to the thickness direction of the door body 1, the shape is uneven in the opening / closing movement direction of the door body 1, and this shape is the above-mentioned door end side vertical frame member shown in FIG. Corresponding to the plane shape of No. 3, the receiving member 100 can receive the upper end portion of the door end side vertical frame member 3.

As shown in FIG. 22, a protruding portion 100A protruding downward is formed at an end portion of the receiving member 100 on the side opposite to the mounting member 13 side in the thickness direction of the door body 1. The protrusion 100A is provided with the mounting portion 100B of FIG. 20 extending toward the door end, and the mounting portion 100B is formed with a hole 99 through which the shaft portion of the screw can be penetrated. The back nuts 101 are joined in unison. As shown in FIG. 21, the inspection cover mounting bracket member 102 is connected to the end of the mounting member 13 on the door end side by a screw 103, and is bent in a crank shape in the thickness direction of the door body 1. The end of the inspection cover mounting bracket member 102 made of a metal plate extending toward the door tail is a mounting end 102A, and the mounting end 102A is shown in FIG. 4 or the like. A screw hole 102B is formed in which the shaft portion 104B of the set screw 104, which is a fastener for fixing the inspection cover 5 to the blind 4, is screwed.

The portion of the upper surface portion 4A of the transom light 4 on the door tail side where the mounting end portion 102A on the door tail side of the inspection cover mounting bracket member 102 is arranged is the notch portion 4C shown in FIG. Therefore, a gap S2 is provided between the notch portion 4C and the above-mentioned hanging wall portion 2A also shown in FIG. 4 and the like, and the gap S2 is shown in FIG. The head 104A of the set screw 104 is arranged in an exposed state in a plan view as seen from above.

Further, as shown in FIG. 22, the end portion of the lower surface of the upper surface portion 4A of the transom light 4 opposite to the mounting member 13 side is, in other words, the outdoor side of the door body 1 in the thickness direction. At the end, a first engaging portion 105 having an upward V-shape or a U-shape is provided by welding a bent product of sheet metal to the lower surface of the upper surface portion 4A of the transom light 4. In this embodiment, a plurality of the first engaging portions 105 are arranged at intervals in the opening / closing movement direction of the door body 1, as shown in FIGS. 20 and 21. These first engaging portions 105 are protruding portions provided so as to project downward at the outdoor end of the door body 1 on one side in the thickness direction of the upper surface portion 4A of the transom light 4. The portion where the first engaging portion 105 is not provided is the protruding portion missing portion S5, and a plurality of such protruding portion missing portions S5 are provided in the opening / closing movement direction of the door body 1. There is. The above-mentioned hanging portion 4B of the transom light 4 hangs down from the other end of the upper surface portion 4A of the transom light 4 in the thickness direction of the door body 1.

As described above, the first engaging portion 105 is arranged with a plurality of bent products in the opening / closing movement direction of the door body 1 at intervals, so that the first engaging portion 105 is spaced apart in the opening / closing movement direction of the door body 1. A plurality of them may be provided, but a plurality of bent products of long-sized sheet metal having a common base portion to be joined to the transom light 4 by welding or the like are provided at intervals in the opening / closing movement direction of the door body 1. The first engaging portion 105 may be provided, that is, a plurality of first engaging portions 105 may be formed by dividing one long-sized sheet metal bent product.

As shown in FIG. 20, at the end on the door end side of the lower surface of the upper surface portion 4A of the transom light 4, a second engaging portion 106 having an upward L-shape or a U-shape is formed. A bent sheet metal product is provided by joining to the lower surface of the upper surface portion 4A of the transom light 4 by welding, and the second engaging portion 106 excludes the notch portion 4C described above as shown in FIG. At the end on the door end side of the lower surface of the upper surface portion 4A of the transom light 4, the door body 1 is provided with a length extending in the thickness direction.

24 to 27 show an inspection cover 5 attached to the transom light 4, FIG. 24 is a front view of the inspection cover 5, FIG. 25 is a plan view of the inspection cover 5, and FIG. 26 is an inspection. FIG. 27 is a left side view of the cover 5 as viewed from the door end side, and FIG. 27 is a right side view of the inspection cover 5 as viewed from the door end side. As shown in FIGS. 24 and 25, the inspection cover 5 having an open upper surface is a front side formed on the opposite side of the door body 1 in the thickness direction from the mounting member 13 in the transom light 4. Front part 5A for closing the opening of the transom light, door butt surface part 5B for closing the opening on the door butt side in transom light 4, and bottom surface for closing the part on the door butt side of the lower surface of transom light 4. It has a part 5C. As shown in FIGS. 26 and 27, the bottom surface portion 5C having a small length dimension in the opening / closing movement direction of the door body 1 is composed of an upper first stage portion 5D and a lower second stage portion 5E. The door body 1 can be opened and closed under the first step portion 5D.

That is, the inspection cover 5 has a front portion 5A, a door tail surface portion 5B, and a bottom surface portion 5C, and the front portion 5A is provided on the front side of the transom light 4 with respect to FIGS. 20 to 20 to FIG. The opening S3 of 23 is closed, and the door tail surface portion 5B closes the door tail side opening S4 of FIGS. 20 and 21 provided on the door tail side of the transom light 4. .. Further, the door tail surface portion 5B has a surface in which the upper first step portion 5D and the lower second step portion 5E of the bottom surface portion 5C continue in the same shape and close the door tail side opening S4. It has become. Therefore, as shown in FIG. 27, the door tail surface portion 5B is arranged side by side in the thickness direction of the door body 1, and the height position of the lower end is different from that of the first step portion 5D. The door body 1 is formed so as to have the second step portion 5E, and the lower side of the first step portion 5D whose lower end height position is higher than the lower end height position of the second step portion 5E. Can be opened and closed.

Therefore, even if the length dimension of the transom light 4 is shorter than the opening / closing movement distance of the door body 1 and the door tail side opening S4 of the transom light 4 is closed by the inspection cover 5, the door Of the door tail surface portion 5B of the inspection cover 5 that closes the tail side opening S4, the door body 1 can be opened and closed by passing under the first step portion 5D.

As shown in FIG. 26, the ends of the door body 1 on both sides in the thickness direction of the lower second step portion 5E are rising portions 107 and 108, which are shown in FIG. 25. Of these rising portions 107 and 108 formed over the entire length of the inspection cover 5 which is the opening / closing movement direction of the door body 1, the rising portion 108 forms the front portion 5A of the inspection cover 5. Has been done. Further, as shown in FIGS. 24 and 25, of the rising portions 107 and 108, a hole 109 is provided at the end of the rising portion 107 on the door end side. Further, as shown in FIG. 26, of the bottom surface portion 5C, the rising portion 110 also rises from the end portion of the upper first stage portion 5D on the front portion 5A side and the door body 1 on the opposite side in the thickness direction. In the rising portion 110, the shaft portion 104B of the set screw 104 screwed into the screw hole 102B of the mounting end portion 102A of the inspection cover mounting bracket member 102 provided in the transom 4 of FIGS. 21 and 23. The concave notch 111 is formed, and the shaft portion 104B of the set screw 104 is inserted into the concave notch 111 from the door end side. Therefore, the concave notch 111 is shown in FIG. 24. As shown in, it opens toward the door.

As shown in FIG. 26, of the rising portions 107 and 108 arranged so as to face each other at intervals in the thickness direction of the door body 1, the rising portion 108 forming the front portion 5A of the inspection cover 5. A first engaged portion 112 having a downward V-shape or a U-shape is formed at the upper end portion of the above. Further, as shown in FIG. 24, on the surface on the door end side at the upper end of the door tail surface portion 5B, a second engaged portion 113 having a downward V-shape or a U-shape is formed on a sheet metal. The bent product is provided by welding to the surface on the door end side at the upper end of the door tail surface portion 5B. The second engaged portion 113 may be formed by bending the upper end of the door tail surface portion 5B.

Next, the construction work of the sliding door device, which is performed by attaching the transom light 4 to the hanging wall portion 2A, which is the building frame, at the site where the sliding door device is installed will be described.

Those constituting the sliding door device such as the door body 1, the transom light 4, and the inspection cover 5 described above are manufactured at the factory and transported to the installation site of the sliding door device. At this installation site, as shown in FIG. 28, in order to attach the transom 4 to which the inspection cover 5 is not arranged to the hanging wall portion 2A, the transom 4 is connected to the hanging wall portion 2A. The upper frame member is lifted to the height position of the upper frame member 10 and the hanging portion 4B of the transom light 4 is rotated by a tool 116 such as a manual screwdriver or an electric screwdriver with screws 11 and 12, which are fasteners. Settle at 10. To explain this work more concretely, the back nuts 121 and 122 are previously joined to the upper frame member 10, and the screw 11 is inserted into the hole 13D of the mounting member 13 which is previously welded to the transom light 4. At the same time, the shaft portion 11B, which is the male screw shaft portion of the screw 11, is inserted into the hole 123 of the hanging portion 4B and the hole 124 of the upper frame member 10, and the screw 11 is rotated by the tool 116 to rotate the shaft portion 11B. Screw it into the back nut 121 and tighten it. Further, the shaft portion 12B, which is the male screw shaft portion of the screw 12, is inserted into the hole 127 of the mounting member 13, the hole 125 of the hanging portion 4B, and the hole 126 of the upper frame member 10, and the screw 12 is rotated by the tool 116. The shaft portion 12B is screwed into the back nut 122 and tightened. As a result, the transom light 4 is fixed to the hanging wall portion 2A which is the building frame via the upper frame member 10 by the screws 11 and 12, and these screws 11 and 12 are door bodies. A plurality of them are provided in each of the opening / closing movement directions of 1.

In the present embodiment, the height position where the screw 11 and the back nut 121 are arranged is one side in the thickness direction of the door body 1 on the upper surface portion 4A of the transom light 4, as shown in FIG. At the end, it is within the height range of the first engaging portion 105 provided as a downwardly projecting protrusion. Therefore, in order to rotate the screw 11 by the tool 116, all or a part of the tool 116 is placed at a height position within the height range of the first engaging portion 105 on the upper surface portion 4A of the transom light 4. It must be inserted into the transom light 4 from one side of the door body 1 in the thickness direction, and at the end of this one side, the first engagement is performed as described with reference to FIGS. 20 and 21. A protruding portion missing portion S5 is provided, which is a portion where the portion 105 is not provided, and the protruding portion missing portion S5 is used with the arrangement position of the screw 11 and the back nut 121 in the opening / closing movement direction of the door body 1. Since a plurality of tools 116 are provided in the same or substantially the same manner, by passing at least a part of the tool 116 through the projecting portion notch portion S5, each screw 11 is not affected by the first engaging portion 105. At least a part of the tool 116 inserted inside the transom light 4 can be rotated to screw and tighten the back nut 121.

Further, in the present embodiment, as shown in FIG. 28, the upper frame member 10 is provided with a step portion 10A on which the hanging portion 4B of the transom light 4 can be placed, so that the screws 11 and 12 are provided. Therefore, the work for anchoring the hanging portion 4B of the transom light 4 to the upper frame member 10 can be performed while the weight of the transom light 4 is supported by the step portion 10A of the upper frame member 10. Therefore, this work Can be easily done.

Further, in the present embodiment, the mounting member which is a member for mounting the upper rail member 14 which is the above-mentioned upper rail means on the surface of the transom 4 hanging lower portion 4B opposite to the side of the hanging wall portion 2A. 13 is arranged, and the place where the screw 11 is arranged in the hanging portion 4B is a place covered by the mounting member 13, but the tip of the screw 11 and the tool 116 can be inserted into the mounting member 13. Since the hole 13D is formed, the screw 11 is rotated by the tool 116 without being affected by the mounting member 13, and the hanging portion 4B of the transom light 4 is fixed to the upper frame member 10. be able to.

As described above, when the work of fixing the hanging lower portion 4B of the transom light 4 to the hanging wall portion 2A by the screws 11 and 12 to the upper frame member 10 is provided on the lower surface of the upper surface portion 4A of the transom light 4. By superimposing the above-mentioned receiving member 100 and the above-mentioned upper end portion of the door end side vertical frame member 3 in the opening / closing movement direction of the door body 1, the upper end portion of the door end side vertical frame member 3 is overlapped with the receiving member 100. The upper end portion and the receiving member 100 are joined by a fastener such as a screw or by welding. Next, the work of attaching the above-mentioned upper rail member 14 to the attachment member 13 with the screw 15 shown in FIG. 4 is performed, and the work of attaching the above-mentioned door closing device 55 to the upper rail member 14 with a fastener such as a screw is also performed. After that, by swallowing the door body 1 at an angle with respect to the vertical direction, as shown in FIGS. 6 and 7, the lower roller 26 provided at the lower part of the door body 1 is moved to the lower rail. The work of rotatably engaging and mounting on the guide portion 25E of the member 25 and the enormous amount of the hanging portion 23B of the lower guide member 23 provided at the lower part of the door body 1 as shown in FIG. The work of inserting the lower guide roller 35 arranged in the sliding member 9 is performed between the portion 23D and the hanging portion 23C, and then the upper part of the door body 1 is inserted into the guide portion 14D of the upper rail member 14. The upper suspension roller 18 of the upper suspension means 17 provided in the above is rotatably engaged and mounted. Next, the work of attaching the fall-out prevention member 75, which had been previously removed from the roller support bracket member 61 of the suspending means 17, to the roller support bracket member 61, and the work of attaching to the attachment member 13 as shown in FIG. The above-mentioned work of attaching the lock member 69 with the screw 70 is performed, and further, the work of attaching the steady rest means 20 to the extending portion 13C of the mounting member 13 is performed, and when this work is performed, the lock member 69 is placed on the upper part of the door body 1. The work of inserting the steady rest member 21 of the steady rest means 20 between the two rising portions 19B and 19C of the upper guide member 19 is also performed.

After that, the work for connecting the tip of the wire 51 of the automatic closing device 50 housed and arranged inside the door body 1 to the connecting portion 54 of the steady rest means 20, and the work of floating to the lower part of the door body 1. The work of arranging the floating prevention member 33 of the prevention means 44 and the work of arranging the airtight member 45 shown in FIGS. 6 and 9 at each predetermined location are performed.

As a result, the door body 1 can be guided to the upper rail member 14 and the lower rail member 25 to open and close, and the closing movement of the door body 1 is automatically performed by the pulling force acting on the wire 51 of the automatic closing device 50. It is done in.

In FIG. 29, by performing the sword swallowing operation of tilting the door body 1 in the vertical direction as described above, the upper rail member of the upper suspension roller 18 of the upper suspension means 17 provided on the upper part of the door body 1. The work for rotatably engaging and mounting on the guide portion 14D of 14 is shown. This work is performed by moving the upper part of the door body 1 from the outside of the transom 4 to the inside while drawing an arc locus around the position of the lower roller 26 mounted on the guide portion 25E of the lower rail member 25. Will be done. When performing this work, a part of the upper suspension means 17 provided on the upper portion of the door body 1 and provided with the upper suspension roller 18 is in the thickness direction of the door body 1 on the upper surface portion 4A of the transom light 4. It passes through a height position within the height range of the first engaging portion 105 provided as a protruding portion protruding downward on one side, but as described above, the first engagement A plurality of joint portions 105 are provided at intervals in the opening / closing movement direction of the door body 1, and a portion where the first engaging portion 105 does not exist is a protruding portion notching portion S5. By passing the portion through the protruding portion notch portion S5, the suspending means 17 is inserted into the transom light 4, and the suspending roller 18 is rotatably engaged with the guide portion 14D of the rail member 14. It can be placed.

Next, the work of attaching the inspection cover 5 to the transom light 4 is performed. This work is performed by inserting the inspection cover 5 into the transom light 4 from the door tail side as shown in FIG. More specifically, this is the dimension in the opening / closing movement direction of the door body 1 between the end portion of the transom light 4 on the door tail side shown in FIG. 2 and the vertical wall portion 2B of the wall 2 described above. Since the dimension L7 in the left-right direction is smaller than the dimension in the left-right direction of the inspection cover 5, the inspection cover 5 is placed in an oblique posture in which the end portion of the inspection cover 5 on the door end side is raised with respect to the horizontal direction. It is inserted between the end of the transom 4 on the door tail side and the vertical wall 2B of the wall 2, and then the end on the door end is at the same height position or substantially the same height as the upper surface 4A of the transom 4. By lowering the end of the inspection cover 5 on the door end side while moving the inspection cover 5 in the horizontal position to the door end side, among the plurality of first engaging portions 105 of the transom light 4, the door end side By engaging the first engaged portion 112 of the inspection cover 5 with the first engaging portion 105 from above and further moving the inspection cover 5 to the door end side while keeping the inspection cover 5 in a horizontal posture, all the first engagements are made. The first engaged portion 112 is engaged with the portion 105, and the second engaged portion 113 of the inspection cover 5 is engaged with the second engaged portion 106 of the transom light 4.

As a result, the weight of the inspection cover 5 is supported by the transom light 4.

Further, when the above work is performed, as shown in FIG. 31, the thickness of the door body 1 is such that the mounting portion 100B of the receiving member 100 and the rising portion 107 of the inspection cover 5 connected to the transom 4 are formed. Since they overlap in the direction, the shaft portion 115B of the set screw 115 is inserted into the hole 99 formed in the mounting portion 100B and the hole 109 formed in the rising portion 107, and then the head portion 115A of the set screw 115 is rotated. By doing so, the set screw 115 for screwing the shaft portion 115B into the back nut 101 joined to the mounting portion 100B is tightened. Further, when the above operation is performed, the mounting end 102A on the door tail side of the inspection cover mounting bracket member 102 coupled to the transom 4 and the rising portion 110 of the inspection cover 5 are in the thickness direction of the door body 1. The shaft portion 104B of the set screw 104 screwed into the screw hole 102B of the mounting end portion 102A is inserted into the concave notch portion 111 formed in the rising portion 110, so that the head portion of the set screw 104 By rotating the 104A, the set screw 104 for sandwiching the rising portion 110 between the head portion 104A of the set screw 104 and the mounting end portion 102A is tightened.

As a result, the inspection cover 5 is attached to the transom light 4 by the set screws 104 and 115. This mounting state is shown in FIGS. 22 and 23 in which the inspection cover 5 is shown by a chain double-dashed line.

Further, by performing the work opposite to the above, the inspection cover 5 can be removed from the transom light 4. When the inspection cover 5 is removed from the transom light 4, the outdoor side portion of the transom light 4 shown in FIG. 4 opposite to the hanging portion 4B and the mounting member 13 connected to the hanging portion 4B is opened, whereby the inspection cover 5 is opened. Since the opening S3 on the front side shown in FIGS. 20 to 23 is exposed, various operations such as inspection work and maintenance work for the suspending means 17 and the steady rest means 20 are performed from the opening S3. It can be carried out.

Further, among the set screws 104 and 115 that attach the inspection cover 5 to the transom 4, the set screw 115 is formed on the upper side and the door body by the transom 4 and the inspection cover 5, as shown in FIG. Since both sides in the thickness direction of 1 are covered, it is possible to prevent the set screw 115 from loosening due to the action of an external force or the like. Further, as shown in FIG. 31, the upper side of the head 104A of the set screw 104 is covered with the upper surface portion 4A due to the notch portion 4C formed in the upper surface portion 4A of the transom light 4. However, as shown in FIG. 23, the set screw 104 is arranged below the upper surface portion 4A, and as shown in FIG. 31, the set screw 104 is the above-mentioned hanging wall. Since both sides of the door body 1 in the thickness direction are covered by the portion 2A and the rising portion 110 of the inspection cover 5, it is possible to prevent the set screw 104 from loosening due to the action of an external force or the like.

Of the set screws 104 and 115 that are the fasteners for fastening the inspection cover 5 to the transom light 4, the set screw 115 will be described in more detail. The upper side of the set screw 115 is absent. It is covered from the upper surface portion 4A of the transom light 4, and both sides of the door body 1 of the set screw 115 in the thickness direction are none of both ends in the thickness direction of the door body 1 in the upper surface portion 4A of the transom light 4. The hanging portion 4B provided on the front side of the eye 4 and hanging from the end opposite to the opening S3 of FIGS. 20 to 23, the mounting member 13 coupled to the hanging portion 4B, and the transom 4 It is covered with the inspection cover 5 that closes the opening S3 of FIGS. 20 to 23 provided on the front side.

Then, the inspection cover 5 in which the hole 109 into which the shaft portion 115B of the set screw 115 is inserted is formed in the mounting portion 100B of the receiving member 100 in which the hole 99 into which the shaft portion 115B of the set screw 115 is inserted is formed. Since the rising portion 107 of the above is connected by the set screw 115, the mounting portion 100B becomes a mounting portion having a vertical length on the blind 4 side, and the rising portion 107 has a vertical length on the inspection cover 5 side. The attached portion has a sill, and when these attached portions and the attached portion are connected by the set screw 115, the inspection cover 5 is fixed to the blind 4.

Regarding the set screw 104, the upper side of the head 104A which is a part of the set screw 104 is shown in FIG. 31 due to the notch 4C formed in the upper surface portion 4A of the transom light 4. In a plan view seen from above, the head 104A of the set screw 104 is a portion of a gap S2 formed between the hanging wall portion 2A and the notch portion 4C, which is not covered by the upper surface portion 4A. Although it is arranged in an exposed state, both sides of the door body 1 of the set screw 104 in the thickness direction are covered by the above-mentioned hanging wall portion 2A and the rising portion 110 of the inspection cover 5. Then, as described above, the shaft portion 104B of the set screw 104 inserted into the screw hole 102B formed in the mounting end portion 102A of the inspection cover mounting bracket member 102 of the blind 4 covers the inspection cover 5 at the door end. By performing the work of inserting into the blind 4 from the side, it is inserted into the concave notch 111 formed in the rising portion 110 of the inspection cover 5, and by rotating the head 104A of the set screw 104, Inspect the inspection cover mounting bracket member 102, which is a member connected to the blind 4 in order to form the screw hole 102B, which is a hole for inserting the shaft portion 104B of the set screw 104. The rising portion 110 of the cover 5 can be fixed.

The reason why the cutout portion 4C is formed on the upper surface portion 4A of the transom light 4 is that the work of rotating the head 104A of the set screw 104 is not affected by the upper surface portion 4A of the transom light 4 and is not affected by the hanging wall. This is so that it can be performed by the hand of an operator inserted from above into the gap S2 between the portion 2A and the notch portion 4C. Therefore, by setting the position of the set screw 104 to a position lower than the height position shown in FIG. 23, the notch portion 4C is not formed on the upper surface portion 4A of the transom light 4, thereby stopping the set screw 104. The upper side of the head portion 104A of the screw 104 may be covered with the upper surface portion 4A of the transom light 4.

Further, even if the back nut 101 is not provided in the mounting portion 100B of the receiving member 100 fixed to the transom light 4, a screw hole for screwing the shaft portion 115B of the set screw 115 into the mounting portion 100B may be formed. Good.

The locations of the set screws 104 and 115 described above are invisible in the front view with the opening S3 of FIGS. 20 to 23 provided on the front side of the transom light 4 as the front surface. Therefore, these set screws 104 and 115 are hidden set screws.

It should be noted that the part of the sliding door device that can be seen from the front view with the opening S3 on the front side of the transom 4 blocked by the inspection cover 5 as the front can be seen by opening and moving the door body 1 to move people, objects, etc. It is a place where people come and go and are easily affected by external forces. Therefore, by setting the set screws 104 and 115 as hidden set screws that are arranged in an invisible place in this front view, these set screws 104 and 115 are arranged in a place that is hard to receive an external force or the like. It is possible to prevent an external force or the like from acting on the set screws 104 and 115.

FIG. 32 (A) shows a state in which the transom light 4 shown in FIG. 4 is attached to the upper frame member 10 arranged on the hanging wall portion 2A with screws 11 and 12 which are fasteners. There is. As described with reference to FIG. 28, the back nuts 121 and 122 are joined to the upper frame member 10 which is joined to the anchor member 120 embedded in the hanging wall portion 2A by welding or the like. The shaft portion 11B, which is the male screw shaft portion of the screw 11, is inserted into the hole 123 formed in the hanging portion 4B of the transom light 4 and the hole 124 formed in the upper frame member 10, and the male screw shaft of the screw 12 is inserted. Since the shaft portion 12B, which is a portion, is inserted into the hole 125 formed in the hanging portion 4B of the transom light 4 and the hole 126 formed in the upper frame member 10, the heads 11A of the screws 11 and 12 By rotating 12A with a tool, the shaft portions 11B and 12B of these screws 11 and 12 are screwed into the back nuts 121 and 122, and the transom light 4 is attached to the upper frame member 10. As described above, the screw 12 is also used to attach the mounting member 13 to the hanging portion 4B of the transom light 4, so that the shaft portion 12B of the screw 12 is a hole formed in the mounting member 13. It is also inserted in 127.

FIG. 32B shows a case where the transom 4 is separated from the upper frame member 10 by removing the screws 11 and 12. By removing the screws 11 and 12 in this way, the transom 4 can be separated from the upper frame member 10, so that the transom 4 is changed to a renewal type transom having a new shape, structure, and the like. At this time, by using the back nuts 121 and 122 as they are, the upper frame member 10 can be reused and a renewal type transom light can be attached to the upper frame member 10 with a screw.

Further, in the embodiment shown in FIG. 32, the upper rail member 14 is provided with a screw 131 which is a fastener in which the shaft portion 131B is screwed into the back nut 130 joined to the mounting member 13. Since the shaft portion 131B is attached to the mounting member 13 and is inserted into the hole 132 formed in the upper rail member 14 and the hole 133 formed in the mounting member 13, the head portion of the screw 131 is headed. By rotating the 131A and removing the screw 131, the upper rail member 14 can be separated from the mounting member 13. Therefore, when the upper rail member 14 is changed to the renewal type upper rail member having a new shape, structure, etc., the back nut 130 is used as it is, and the mounting member 13 is reused. The renewable upper rail member can be attached to the attachment member 13 with screws.

The back nuts 121, 122, 130 may be omitted, and female screw holes for screwing the shaft portions 11B, 12B, 131B of the screws 11, 12, 131 may be formed in the upper frame member 10 and the mounting member 13. ..

FIG. 33A shows the door end side vertical frame member 3 shown in FIG. The door end side vertical frame member 3 is a main member 3A joined to an anchor member 140 embedded inside a wall 2 which is a building frame by welding or the like, and a screw which is a fastener to the main member 3A. It is configured to have an auxiliary member 3B connected by 141 and 142, and back nuts 143 and 144 are joined to the main member 3A. The shaft portions 141B and 142B of the screws 141 and 142 are inserted into the holes 145 and 146 formed in the auxiliary member 3B and the holes 147 and 148 formed in the main member 3A and screwed into the back nuts 143 and 144. It has been entered.

Therefore, by rotating the heads 141A and 142A of the screws 141 and 142 and removing these screws 141 and 142, the sub-member 3B is separated from the main member 3A as shown in FIG. 33 (B). can do. Therefore, for example, in order to change the door body 1 to an renewal type door body having a new shape, structure, etc., the door end side vertical frame member 3 has a shape corresponding to this renewal type door body. When changing to a renewal type door end side vertical frame member having a structure or the like, the main member 3A can be used by removing the screws 141 and 142 and using the back nuts 143 and 144 of the main member 3A as they are. By reusing, a sub-member for the renewable door-end side vertical frame member can be attached to the main member 3A with screws. As the auxiliary member for the renewal type door end side vertical frame member, for example, the strike 42 of FIG. 9 arranged in the sub member 3B is changed to a strike suitable for the locking device used for the renewal type door body. It is used to do so.

In this embodiment as well, the back nuts 143 and 144 may be omitted, and female screw holes for screwing the shaft portions 142B and 143B of the screws 142 and 143 may be formed in the main member 3A.

FIG. 34 shows an arrangement location according to another embodiment of the automatic closing device 50 arranged inside the door body 1. As described with reference to FIG. 8, the automatic closing device 50 of the above-described embodiment is arranged at or near the end of the door tail side in the upper part of the door body 1, but the automatic closing device 50 of the embodiment of FIG. 34 The closing device 50 is located on the door end side of the location where the automatic closing device 50 of the embodiment shown in FIG. 8 is arranged, and is arranged at a location between the door end side end portion and the door tail side end portion of the door body 1. ing. Further, the tip of the wire 51, which is a string-shaped member of the automatic closing device 50, is connected to the connecting portion 150 by a pin or the like connected to the mounting member 13 which is the immovable member described above.

Therefore, the steady rest means 20'of this embodiment is not provided with a connecting portion 54 for connecting the tip portions of the wires 51. Further, the door stop member 82 or the like of the steady rest means 20'is formed with a wire passing portion such as a groove or a missing portion through which the wire 51 can pass, whereby the door body 1 is formed by the steady rest means. Even if the fully open position defined by the door stop member 82 of 20'is reached, the wire 51 does not interfere with or come into contact with the door stop member 82 or the like.

As is clear from this embodiment, the location of the door body 1 in which the automatic closing device 50 is arranged may be any location.

35 and 36 show the steady rest means 220 according to another embodiment. The main body 277 of the steady rest means 220 is also attached to the extension portion 13C of the attachment member 13 provided as an immovable member in the transom light 4. Further, as shown in FIG. 35, the main body 277 is a means for suspending the door body 1 when the door body 1 reaches the fully opened position, similarly to the above-mentioned steady rest means 20 and 20'. Since the door stop member 282 with which the surface portion 60E provided on the 17 is in contact is provided, the steady rest means 220 is also a door body full open position defining means for defining the fully open position of the door body 1. .. Further, since the main body 277 is also provided with a connecting portion 254 for connecting the tip end portion of the wire 51 of the automatic closing device 50 housed and arranged inside the door body 1, the steady rest means 220 is a wire. It also serves as a tip connecting means.

As shown in FIG. 36, the lower part of the main body 277 of the steady rest means 220 below the door stop member 282 and the connecting portion 254 has a bifurcated shape divided in the thickness direction of the door body 1. Therefore. At the lower part of the main body 277, two facing portions 277A and 277B facing the outdoor side surface and the indoor side surface, which are both surfaces of the door body 1 in the thickness direction, are provided. Each of these facing portions 277A and 277B extending downward is provided with a rotating roller 222 which is a rotating member rotatable in a horizontal plane around a shaft 221 whose axial direction is a vertical direction. , These rotating rollers 222 are in contact with or face each other with a slight gap between the outdoor side surface and the indoor side surface of the door body 1.

Therefore, in the opening / closing movement of the door body 1, the door body 1 is moved by the two rotating rollers 222 arranged in the steady rest means 220 on both sides in the thickness direction of the door body 1 as steady rest members. This is performed while preventing the door body 1 from swinging in the thickness direction, and since the portion of the steady rest means 220 that comes into contact with the door body 1 is a rotatable rotary roller 222, the door body 1 Can be smoothly opened and closed without generating a large frictional force with the steady rest member.

Further, also in the steady rest means 220 of this embodiment, as shown in FIG. 35, the door stop member 282 is a steady rest member 28 on the closing movement side of the door body 1 with respect to the rotating roller 222 which is a steady rest member. Since it is arranged at 220, the hanging means 17 can be brought into contact with the door stop member 282 to stop the door body 1 at the fully open position without being affected by the rotating roller 222.

In the embodiment of FIGS. 35 and 36, the upper frame member 16 and the upper guide member 19 of the door body 1 shown in FIG. 6 and the like are not used, and the upper frame member 16 is placed on the upper part of the door body 1. Although the upper frame member 216 having a different shape from that of the upper frame member 216 is arranged, the upper frame member 216 may be provided with a portion similar to the above-mentioned rising portion 16B of the upper frame member 16.

According to the door body that can be opened and closed and moved, the present invention can be used as, for example, a sliding door device for a front door for opening and closing the entrance and exit of the front door.

1 Door body 4 Transom 6 Doorway that is an opening 14 Upper rail member that is also a rail means and an upper rail means 17 Upper suspension means 18 Upper suspension roller 20 Steering means 25 Lower rail member 26 Lower roller 50 Automatic closing device 51 Wire, which is a string-shaped member 53 Rotating guide member 82 Door stop member

Claims (11)

A rail means, a door body that is movable to open and close the opening guided by the rail means, and an automatic closing device for closing and moving the door body by the pulling force of the drawn string-shaped member. And, in the sliding door device configured to include
The automatic closing device is arranged on the door body, and the automatic closing device is arranged on the door body.
The rail means is an upper rail means disposed inside the transom light above the door body, and the door body is suspended from the upper rail means on the upper part of the door body. Suspended means for
The number of the hanging means is one, and the transom light is provided with a steady resting means for preventing the door body from swinging in the thickness direction of the door body.
A sliding door device characterized in that the tip end portion of the string-shaped member is connected to the steady rest means. In the sliding door device according to claim 1, the upper rail means is an upper rail member, and the upper rail member is provided with an upper suspension roller rotatably mounted on the upper rail member. A sliding door device characterized by this. In the sliding door device according to claim 1 or 2, an upper guide member having a length in the opening / closing movement direction of the door body is provided on the door tail side of the upper portion of the door body where the above-hanging means is arranged. The upper guide member is a pair of a horizontal base portion fixed to the upper portion of the door body and vertically rising from both ends in the width direction of the base portion, which is the thickness direction of the door body. A sliding door device including a rising portion, wherein the steady rest means includes a steady rest member inserted between the pair of rising portions of the upper guide member. In the sliding door device according to claim 3, the base portion is a first base portion, and the steady rest means is connected to the second base portion attached to the transom and the second base portion. The door body has two mounting portions arranged side by side at intervals in the opening / closing movement direction, and the steady rest member is inserted and arranged between the two mounting portions. A sliding door device characterized by this. The sliding door device according to claim 4, wherein a connecting member having both end faces in the length direction abutted and connected is bridged between the two mounting portions. The sliding door device according to claim 4 or 5, wherein the steady rest means is provided with a door stop member for defining a fully open position of the door body. The sliding door device according to claim 6, wherein the door stop member is attached to the attachment portion on the door end side of the two attachment portions in a state of projecting toward the door end side. Sliding door device. In the sliding door device according to any one of claims 4 to 7, the tip end portion of the string-shaped member is erected and fixed to a support member attached to the attachment portion on the door tail side of the two attachment portions. A sliding door device characterized in that it is connected to a pin member. In the sliding door device according to claim 8, the support member is an L-shaped member including a rising portion and a horizontal portion extending from the lower end portion of the rising portion toward the door tail side, and the rising portion is the rising portion. A sliding door device that is attached to a mounting portion on the door tail side and has the pin member erected and fixed to the horizontal portion. In the sliding door device according to claim 8 or 9, the tip portion of the string-shaped member is a ring portion, and when the ring portion is inserted into the pin member, the tip portion of the string-shaped member is inserted. Is connected to the pin member. In the sliding door device according to any one of claims 1 to 10, a lower rail member is arranged below the upper rail means, and a lower rail member is rotatably mounted on the lower rail member on the door body. A sliding door device characterized by being provided with rollers.

Images