WO2020137002A1 - Sliding door device and lower end guide structure - Google Patents

Abstract

This sliding door device 1 comprises: a sliding door panel 10 that opens/closes an entrance 6 provided in a wall body 3; an upper rail 30 that hangs and supports guided members 11, 15 provided at an upper end portion of this sliding door panel, and has linear parts 36a and 40a which guides the guided members 11, 15 in parallel with a wall surface 3a of the wall body and oblique parts 36b and 40b which guide the guided members 11, 15 in an oblique door thickness direction so as to intersect the wall surface in a portion of the entrance; and a plurality of lower end guide members 7 that hold a pillar part 9 having a suctioned part 9a movably up and down with respect to a casing 8 disposed on a floor 2 side in an embedded manner, and guide a lower end side of the sliding door panel. A linear guided groove 21, which extends in a door width direction into which the pillar part attracted and projected by a magnetic force when the sliding door panel moves in parallel to the wall surface is inserted, and an oblique guided groove 27, which extends in an oblique door thickness direction into which the pillar part attracted and projected by a magnetic force when the sliding door panel moves in the oblique door thickness direction is inserted, are provided at a lower end portion of the sliding door panel so as to be open downward.

Description

Sliding door device and lower end guide structure

The present invention relates to a sliding door device including a sliding door panel that opens and closes an entrance and a door, and a lower end guide structure of the sliding door panel.

2. Description of the Related Art Conventionally, there are known a sliding door device provided with a sliding door panel which is arranged in an outset shape with respect to a wall surface and can be opened and closed, and a sliding door device provided with a sliding door panel which is housed in a door pocket. In such a sliding door device, in the closed position, a step is formed between the sliding door panel and the wall surface in accordance with the door thickness or the wall thickness of one of the door pocket walls that defines the door pocket, and the step tends to be noticeable. ..
For example, in Patent Document 1 below, two guide rails for guiding a roller unit provided at a space above the sliding door are provided with a linear rail and a retracting rail extending in an oblique direction, and the sliding door in a closed state is disclosed. A sliding door device that can have a flat surface and a wall surface is disclosed. In addition, the sliding door device includes a first pin body that is attached to a lower end of the sliding door via a bracket and is inserted into a guide groove of a guide body having a substantially L-shaped guide groove on the bottom surface, and a bottom surface of the sliding door. A second pin body that is inserted into the formed sliding door groove that is elongated in the width direction is provided.

Japanese Patent No. 4818362

However, in the sliding door device described in Patent Document 1, the guide groove of the guide body and the pin body not inserted into the sliding door groove protrude from the floor portion, and the guide body protrudes from the lower end portion of the sliding door. Therefore, further improvement is desired.

The present invention has been made in view of the above circumstances, and while it is possible to reduce the step between the sliding door panel and the wall surface in the closed position, the member that guides the lower end side of the sliding door panel does not easily become an obstacle. An object is to provide a sliding door device and a lower end guide structure.

In order to achieve the above object, a sliding door device according to the present invention suspends and supports a sliding door panel that opens and closes an entrance and exit provided in a wall body, and a guided member provided at an upper end portion of the sliding door panel, and An upper rail having a straight portion that guides in parallel to the wall surface of the wall body and a slant portion that guides in a diagonal door thickness direction so as to intersect with the wall surface at the entrance/exit portion, and embedded on the floor side. A columnar portion having a portion to be sucked up and down with respect to a casing arranged in a vertical shape is held, and a plurality of lower end guide members for guiding the lower end side of the sliding door panel, and A linear guided groove extending in the door width direction, into which the columnar portion that is attracted and projected by magnetic force is inserted when the sliding door panel moves in parallel with the wall surface, and the sliding door panel is provided at the lower end portion. When the columnar portion that is attracted by the magnetic force and is projected when moving in the oblique door thickness direction is inserted, the oblique guided groove extending in the oblique door thickness direction and the inclined guide groove that opens downward in the lower end surface are formed. It is characterized by being provided.

Further, in order to achieve the above-mentioned object, the lower end guide structure according to the present invention has a lower end side of a sliding door panel which is suspended and supported by an upper rail and which opens and closes an entrance/exit provided in a wall body and is embedded in a floor side. A lower end guide structure that is guided by a plurality of lower end guide members having a structure in which a columnar portion having a suctioned portion is held so as to be vertically movable with respect to a casing arranged in A lower end guide member that guides the lower end side of the sliding door panel that is attracted and inserted by a magnetic force into a linear guide groove provided in the provided door width direction and that is guided by the upper rail to move in parallel with the wall surface. Is provided on one side of the wall surface in the door thickness direction, and is attracted and inserted by a magnetic force into a slanted guided groove extending in the diagonal door thickness direction provided at the lower end portion of the sliding door panel, and the upper rail is guided to the upper end side. The lower end side of the sliding door panel that moves in parallel with the wall surface, and the lower end guide member that guides the lower end side of the sliding door panel that moves in the diagonal door thickness direction so as to intersect the wall surface at the entrance and exit site. It is characterized in that the structure is provided so as to be located on the doorway side in the door thickness direction with respect to the lower end guide member for guiding the.

Since the sliding door device and the lower end guide structure according to the present invention are configured as described above, it is possible to reduce the step between the sliding door panel and the wall surface in the closed position, but guide the lower end side of the sliding door panel. It is possible to prevent the member to be an obstacle from becoming an obstacle.

(A)-(c) is a partial fracture schematic transverse cross section showing typically an example of the sliding door device concerning one embodiment of the present invention. It is a partially broken schematic exploded perspective view of the sliding door apparatus. (A) is a partial omission schematic perspective view which shows typically an example of the door tip side guided member with which the sliding door device is provided, and (b) is a schematic example of the door rear side guided member with which the sliding door device is provided. FIG. 3 is a partially omitted schematic perspective view schematically shown. 1A is a partially cutaway schematic vertical cross-sectional view taken along line X1-X1 of FIG. 1A, and FIG. 1B is taken along line X2-X2 of FIG. 1A. It is a partially broken schematic vertical cross-sectional view. 4A is a partially cutaway schematic cross-sectional view corresponding to the line Y1-Y1 in FIG. 4A, and FIGS. 4B and 4C are views taken along the line Y2-Y2 in FIG. 4A. It is a partial fracture schematic cross-sectional view corresponding to. (A)-(c) is a partially broken schematic bottom view which shows an example of the sliding door device and a lower end guide structure using the same. (A)-(c) is a partially broken schematic bottom view which shows typically an example of the sliding door apparatus and the lower end guide structure using this which concern on other embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
Note that in some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in each of the following embodiments, directions such as a vertical direction will be described with reference to a state in which the sliding door device according to each of the embodiments is installed.

1 to 6 are views schematically showing an example of a sliding door device according to the first embodiment and an example of a lower end guide structure using the same.
As shown in FIGS. 1A to 1C and 2, the sliding door device 1 according to the present embodiment includes a sliding door panel 10 that opens and closes a doorway 6 provided in a wall body 3, and a wall surface 3 a of the wall body 3. And an upper rail 30 that is arranged so as to guide the upper end side of the sliding door panel 10.
The wall body 3 may be a partition wall that divides a building such as a residence, or may be any type of wall. As shown in FIG. 1A, the sliding door panel 10 in the fully open position is arranged along the wall surface 3a on one side in the wall thickness direction of the wall body 3. The front-rear direction may be described with the front side as the front with reference to the state of facing the wall surface 3a along which the sliding door panel 10 at the fully open position of the wall body 3 is provided. Further, the sliding door device 1 may be arranged such that the space on the front side of the wall body 3 is a relatively small space such as a corridor, or may be installed at various places.

The doorway 6 is provided so as to penetrate the wall body 3. The entrance/exit 6 may have an opening height from the floor 2 to a substantially ceiling (not shown), or may have an upper side partitioned by a hanging wall. Further, in the example shown in the figure, an example is shown in which both sides of the entrance/exit 6 in the opening width direction are partitioned by the vertical frames 4 and 5 forming the opening frame. As shown in FIG. 1(c), the door of the sliding door panel 10 is provided at one end (front side) in the prospective direction of the door-side vertical frame 4 to which the door-side end of the sliding door panel 10 in the closed position is adjacent. The example which provided the notch-shaped recessed part which receives a front end part is shown. In addition, an example is shown in which an inclined surface facing diagonally forward is provided at one end (front side) end of the longitudinal direction of the door-end side vertical frame 5 that is close to the door-end side end of the sliding door panel 10 in the closed position. ing. It should be noted that the vertical frames 4 and 5 that configure the entrance/exit 6 and the opening frame that divides the entrance/exit 6 are not limited to the above-described modes, but may be various modes. Further, in the illustrated example, an example in which the doorway 6 is opened and closed by one sliding door panel 10 arranged in a pulling manner is shown, but the doorway 6 is constructed by two sliding door panels 10 arranged in a drawing manner. May be opened and closed. In this case, an upper rail 30 described below that guides each of the two sliding door panels 10 may be provided.

The sliding door panel 10 has a substantially rectangular flat plate shape that is long in the vertical direction. The door height dimension and door width dimension of the sliding door panel 10 are set to appropriate dimensions so that the doorway 6 can be closed. Appropriate handholds are provided on both sides of the end portion of the sliding door panel 10 in the door thickness direction. In addition, the trailing edge side end surface of the sliding door panel 10 is an inclined surface facing diagonally rearward so as to closely face the inclined surface of the door trailing side vertical frame 5 in the closed position (see also FIG. 5C). reference). A door tip side guided member 11 is provided on an upper end portion of the door tip side end portion of the sliding door panel 10, and a door tail side guided member 15 is provided on an upper end portion of the door tail end side end portion of the sliding door panel 10. It is provided.
The upper rail 30 intersects with the wall surface 3a at the portions of the linear portions 36a, 40a and the doorway 6 that guide the guided members 11, 15 provided at the upper end of the sliding door panel 10 in parallel with the wall surface 3a. Further, it has oblique portions 36b and 40b for guiding in the oblique door thickness direction.
As shown in FIGS. 4 and 5, the upper rail 30 has a bottom wall portion 32 that defines the groove bottom side of the guide groove 31 that opens downward, and at least a part of the groove width in the groove longitudinal direction. Side wall portions 37, 41 on both sides are provided so as to overlap each other when viewed in the direction, and define both sides in the groove width direction.

The wall side wall portion 41 as the side wall portion on the wall surface 3a side of the upper rail 30 has a door butt side guide portion that guides the runner body 16 that constitutes the guided portion of the door butt side guided member 15 of the sliding door panel 10. 40 is provided. Further, the front side wall portion 37 as a side wall portion on the side opposite to the wall surface of the upper rail 30 has a door tip side guide portion that guides the runner body 12 that constitutes the guided portion of the door tip side guided member 11 of the sliding door panel 10. 36 are provided. In the door butt side guide portion 40, a straight line portion 40a for guiding the runner main body 16 of the door butt side guided member 15 in parallel with the wall surface 3a and the door butt side portion of the doorway 6 crosses the wall surface 3a. An oblique portion 40b that guides in the direction of the oblique door thickness is provided. In the door-end side guide portion 36, the linear portion 36a for guiding the runner body 12 of the door-end side guided member 11 in parallel with the wall surface 3a and the door-end side portion of the doorway 6 intersect the wall surface 3a. A slant portion 36b is provided to guide the slanted door thickness direction.

With the above configuration, the sliding door panel 10 can be guided in parallel along the wall surface 3a by the straight portions 36a and 40a of the upper rail 30. Further, at the closed position where the doorway 6 is closed, as shown in FIGS. 1C and 5C, at least a part of the sliding door panel 10 in the door thickness direction is provided by the oblique portions 36b and 40b of the upper rail 30. It can be arranged in the doorway 6 in the door thickness direction rather than the wall surface 3a. As a result, the step difference between the one side surface (front surface) in the door thickness direction of the sliding door panel 10 and the wall surface 3a formed at the closed position is smaller than that in the case where the sliding door panel 10 is provided in an outset shape or is housed in the door pocket. can do. As a result, when the sliding door panel 10 is set to the closed position, it is possible to prevent the sliding door panel 10 from narrowing a space such as a corridor defined by the wall surface 3a along which the sliding door panel 10 is placed in the open position.

Further, the trailing edge side guide portion 40 is provided on the wall side side wall portion 41 of the upper rail 30, the door tip side guide portion 36 is provided on the front side wall portion 37 of the upper rail 30, and the wall side side wall portion 41 and the front side wall portion 37 are provided. At least partially overlap with each other when viewed in the groove width direction in the groove longitudinal direction. With such a configuration, it is possible to reduce the size of the upper rail 30 along the direction of the door thickness, as compared with the case where two guide rails are provided in parallel in the door thickness direction. Further, as compared with the case where the door-end side bracket of the sliding door panel needs to be projected more than the door-end side, the door-end side guided member 11 and the door-end side guided member at the upper end of the sliding door panel 10 are required. It is possible to reduce the size of 15 in the direction of the door thickness. Further, for example, the size of the upper rail 30 along the vertical direction can be made compact as compared with the case where two guide rails are provided so as to be stacked vertically. In addition, for example, compared with a case where a rail that guides the door front side guided member and a rail that guides the door tail side guided member are provided separately in series in the door width direction and separately, The movable range in the door width direction and the effective opening width of the doorway 6 can be effectively increased. The specific configuration of the upper rail 30 will be described later.

As shown in FIGS. 2 and 4, the door front side guided member 11 and the door rear side guided member 15 are provided so as to project upward from the upper end surface of the sliding door panel 10 in the present embodiment. ing. With such a configuration, the door-end side guided member 11 and the door-end side guided member 15 are attached to one side (front side) or the other side (rear side) of the sliding door panel 10 in the door thickness direction. Compared with the other type, both side surfaces of the sliding door panel 10 in the door thickness direction can have a neat appearance, and the appearance can be improved. Further, the door front side guided member 11 and the door rear end guided member 15 are provided so as to be substantially within the door thickness of the sliding door panel 10 in the door thickness direction. In the illustrated example, a part of one side of the runner bodies 12, 16 of the door-end side guided member 11 and the door-end side guided member 15 in the door thickness direction slightly protrudes from one side surface in the door thickness direction of the sliding door panel 10. Although the configuration is shown as an example, the configuration is not limited to this.

Further, as shown in FIG. 2, the door front side guided member 11 and the door rear side guided member 15 are attached to the mounting recesses provided on both sides of the upper end of the sliding door panel 10 in the door width direction. Is provided. As shown in FIG. 4, the runner bodies 12 and 16 of the door-end side guided member 11 and the door-end side guided member 15 are provided with support portions 11a provided so as to project upward from the respective mounting portions. It is supported by 15a. Each of the runner main bodies 12 and 16 is rotatably held by the sliding door panel 10 about an axis extending in the vertical direction. These runner bodies 12 and 16 may be rotatably held with respect to the shaft-shaped support portions 11a and 15a, or with respect to the support portions 11a and 15a that are rotatable with respect to the mounting portion. It may be fixedly provided. These supporting portions 11 a and 15 a are provided so as to be located at a substantially central portion of the sliding door panel 10 in the door thickness direction. Further, these supporting portions 11a and 15a have the same projecting dimensions from the upper end surface of the sliding door panel 10.

The runner bodies 12 and 16 of the door tip side guided member 11 and the door tail side guided member 15 are arranged at the same height.
The runner main body 12 of the door tip side guided member 11 is rotatable about an axis along the groove width direction of the upper rail 30 so as to travel on a guide piece portion 38 of a door tip side guide portion 36 described later. A one-wheel rolling element 13 is provided. The rolling element 13 is attached to the side surface of the runner body 12 on the side opposite to the wall surface (front side). The side surface of the runner body 12 on the wall surface 3a side is flat.
In addition, as shown in FIG. 3A, a guided roller 14 that is rotatable around an axis along the vertical direction is provided on the lower surface side of the runner body 12 of the door-side guided member 11. .. As shown in FIG. 4A, the guided roller 14 is provided so as to be located in the door thickness direction at a substantially central portion in the door thickness direction. In addition, in the present embodiment, a pair of guided rollers 14 and 14 are provided on the lower surface side of the runner body 12 at equal intervals in the groove longitudinal direction from the support portion 11a (see FIG. 3A). ..

The runner body 16 of the door-end side guided member 15 is rotatable about an axis along the groove width direction of the upper rail 30 so as to travel on a guide piece portion 42 of the door-end side guide portion 40 described later. A one-wheeled rolling element 17 is provided. The rolling element 17 has the same size and shape as the rolling element 13 of the door-end side guided member 11, and is attached to the side surface of the runner body 16 on the wall surface 3a side. The side surface of the runner body 16 on the side opposite to the wall surface (front side) is flat.
Further, as shown in FIG. 2 and FIG. 5A, a guided roller 18 that is rotatable around an axis along the vertical direction is provided on the upper surface side of the runner body 16 of the door-end side guided member 15. It is configured. As shown in FIG. 4B, the guided roller 18 is provided so as to be located in the door thickness direction at a substantially central portion in the door thickness direction. Further, in the present embodiment, a pair of guided rollers 18, 18 is provided on the upper surface side of the runner body 16 at equal intervals in the groove longitudinal direction from the support portion 15a.

Further, as shown in FIG. 3B, a guided roller 19 that is rotatable around an axis along the vertical direction is provided on the lower surface side of the runner body 16. As shown in FIG. 4B, the guided roller 19 is provided so as to be located in the door thickness direction at a substantially central portion in the door thickness direction. Further, in the illustrated example, one guided roller 19 is provided so as to be located on one side in the groove longitudinal direction of the supporting portion 15a on the lower surface side of the runner body 16, but the supporting portion 15a is the same as the above. A pair of guided rollers 19 may be provided at equal intervals in the longitudinal direction of the groove. The guided rollers 14 and 14 of the door front side guided member 11 and the guided rollers 18, 18 and 19 of the door trailing side guided member 15 described above have the same size and shape.

The upper rail 30 is elongated so as to extend substantially in the door width direction. In the present embodiment, as shown in FIG. 5B, the front side wall portion 37 of the upper rail 30 is provided so as to be located on the side opposite to the wall surface over the entire length of the straight portion of the wall side wall portion 41. There is. For example, if only the door tail side portion of the straight portion of the front side wall portion 37 and the door tip side portion of the straight portion of the wall side wall portion 41 are provided so as to overlap each other when viewed in the groove width direction, the upper rail On the side opposite to the wall surface (front side) of the straight portion of 30, the step becomes more conspicuous. According to this embodiment, such a step is not formed on the side opposite to the wall surface of the upper rail 30, and the appearance can be improved.
A guide piece portion 38 that protrudes from the lower end portion of the front side wall portion 37 toward the wall surface 3a and on which the rolling element 13 of the door tip side guided member 11 travels is provided on the door tip side guide portion 36 of the upper rail 30. Has been. In addition, a guide piece portion 42, which projects from the lower end portion of the wall-side side wall portion 41 toward the side opposite to the wall surface, and on which the rolling element 17 of the door-end side guided member 15 travels travels on the door-side guide portion 40 of the upper rail 30. Is provided.

With the above-described configuration, the sliding door panel 10 can be supported by being suspended from the door front side guide portion 36 and the door tail side guide portion 40, and can be slid upward. With this, unlike the present embodiment, the floor rail or the like is not provided on the floor 2 side. Further, since the runner main bodies 12 and 16 provided with these rolling elements 13 and 17 are rotatably held around the axis along the vertical direction with respect to the sliding door panel 10, the linear portions 36a and 40a of the upper rail 30 are It is possible to travel while smoothly changing the direction between the oblique portions 36b and 40b. Further, for example, guide piece portions are provided on both sides in the groove width direction of the door tip side guide portion and the door tail side guide portion, and the groove width direction of the guided portion of the door tip side guided member and the door tail side guided member is provided. It is also conceivable to provide a pair of rolling elements on both sides. In this case, at the intersection of the oblique portion of the door-end side guide portion and the straight portion of the door-end side guide portion, an opening for passing the support portion supporting the runner body of the door-end side guided member is provided on the door tip side. It is desirable to provide the guide piece on the wall surface side of the straight portion of the guide portion. In such a case, the rolling element on the wall surface side of the door-end side guided member rattles when passing through the opening, and the opposite side of the door-end side guided member that moves between the straight line portion and the oblique portion. It is conceivable that the rolling elements on the wall surface rattle when passing through the openings between the guide pieces. According to the present embodiment, the one-wheel-shaped rolling elements 13 and 17 on the door-end side and the door-butt side, respectively, travel on the guide piece portions 38 and 42 that are provided in a series. It is possible to suppress the occurrence of such rattling.

As shown in FIG. 4, these guide piece portions 38 and 42 are provided so as to have the same height. In addition, as shown in FIG. 5B, in the present embodiment, the guide piece portion 38 on the side opposite to the wall surface that constitutes the door side guide portion 36 is provided over the entire length of the front side wall portion 37 in the groove longitudinal direction. Has been. That is, the guide pieces 38 and 42 are provided on both sides in the groove width direction from the end of the upper rail 30 on the side of the door.
The linear portion 36a of the door-end side guide portion 36 and the linear portion 40a of the door-end side guide portion 40 are parallel to each other along the wall surface 3a on one side (front side) of the wall body 3 in the wall thickness direction. It is arranged to be distributed. A slanting portion 36b is provided so as to be continuous with an end portion of the door portion side guide portion 36 of the straight portion 36a. A skewed portion 40b is provided so as to be continuous with the door end side end portion of the straight portion 40a of the door butt side guide portion 40. As shown in FIG. 5B, the oblique portion 36b of the door-end side guide portion 36 and the oblique portion 40b of the door-end side guide portion 40 are provided in parallel with each other. The state in which the runner bodies 12 and 16 are located at the tips of the oblique portions 36b and 40b is the closed position of the sliding door panel 10 (see FIGS. 1C and 5C).

The guide piece portion 38 of the door end side guide portion 36 is provided in a continuous manner over the entire length of the straight portion 36a and the oblique portion 36b. The guide piece portion 38 is formed to have an arcuate shape in a plan view at a boundary portion (corner portion) between the straight portion 36a and the oblique portion 36b. Further, in the illustrated example, an example is shown in which a protruding piece portion that protrudes upward is provided at the tip end portion of the guide piece portion 38 in the protruding direction. That is, the projecting piece portion, the guide piece portion 38, and the front side wall portion 37 open the upper side to define the receiving groove for receiving the rolling element 13.

Further, in the present embodiment, the door end side guide portion 36 is arranged on the door end side of the branch portion of the door end side guide portion 40 with the oblique portion 40b so as to be parallel to and face the front side wall portion 37. In addition, the door-front side facing wall portion 47 is provided. The door end side facing wall portion 47 is provided so as to hang from the end portions of the bottom wall portions 32 and 34 on the wall surface 3 side. Further, a projecting piece portion 48 is provided at the lower end portion of the door end side facing wall portion 47 so as to project toward the guide piece portion 38. The front end side wall portion 47 and the protruding piece portion 48 are substantially parallel to the linear portion 36a of the door end side guide portion 36, the front side wall portion 37 of the oblique portion 36b, and the guide piece portion 38, respectively. , A straight line portion and a skew portion are provided.
Further, the straight line portions of the front end side facing wall portion 47 and the protruding piece portion 48 are substantially the same as the wall side wall portion 41 and the guide piece portion 42 of the straight line portion 40a of the door butt side guide portion 40 when viewed in the groove longitudinal direction. It is provided to match. In addition, in the present embodiment, as shown in FIG. 2, a configuration in which a portion including the bottom wall portion 34 of the oblique portion 36b of the door-side guide portion 36 is joined to a member that is separate from other portions. I am trying.

A projecting direction tip surface of the guide piece portion 38 of the door tip side guide portion 36, and a projecting direction tip surface of the guide piece portion 42 and the projecting piece portion 48 of the straight portion 40a of the door butt side guide portion 40 facing the guide piece portion 38, Constitute opening-side guide side wall portions 39, 43, 49 for guiding the guided roller 14. These opening-side guide side wall portions 39, 43, 49 are provided on the opening side of the guide groove 31 so as to sandwich the guided roller 14 from both sides in the groove width direction, and the guided roller 14 is provided on the straight portion of the door-end side guide portion 36. The guide 36a and the oblique portion 36b are configured to be guided. With such a configuration, it is possible to prevent the one-wheel-shaped rolling element 13 traveling on the guide piece portion 38 of the door-end-side guide portion 36 from being inclined, and the rolling element 13 can be prevented from being inclined by the linear portion 36a and the linear portion 36a. It is possible to smoothly guide along the oblique portion 36b. Further, in this embodiment, the runner body 12 of the door-side guided member 11 is provided with a pair of guided rollers 14 and 14 at equal intervals in the groove longitudinal direction from the support portion 11a. Therefore, the straightness of the straight portion 36a can be improved, and the direction of the corner portion can be smoothly changed. The dimension along the groove width direction between the opening side guide side wall portion 39 and the opening side guide side wall portions 43, 49 facing each other is set to a dimension according to the outer diameter of the guided rollers 14, 14.

Similarly to the above, the guide piece portion 42 of the trailing edge side guide portion 40 is provided in a continuous manner over the entire length of the straight portion 40a and the oblique portion 40b. The guide piece portion 42 is formed to have an arc shape in a plan view at a boundary portion (corner portion) between the straight portion 40a and the oblique portion 40b. Further, in the example of the drawing, similarly to the above, an example is shown in which a protruding piece portion that protrudes upward is provided at the tip end portion of the guide piece portion 42 in the protruding direction. That is, the projecting piece portion, the guide piece portion 42, and the wall-side side wall portion 41 define a receiving groove that opens upward and receives the rolling element 17.
In addition, in the present embodiment, the door butt side facing wall portion 44 is provided so as to be parallel to and face the wall side wall portion 41 of the oblique portion 40b of the door butt side guide portion 40. The door butt side facing wall portion 44 is provided from the end portion on the side opposite to the wall surface of the bottom wall portion 33 of the slanted portion on the door butt side provided so as to branch from the linear bottom wall portion 32 in the diagonal door thickness direction. It is provided to hang down. Further, a projecting piece portion 45 is provided at a lower end portion of the door end side facing wall portion 44 so as to project toward the guide piece portion 42.
The door butt side facing wall portion 44 and the protruding piece portion 45 are provided so as to be substantially parallel to the wall side wall portion 41 and the guide piece portion 42 of the oblique portion 40b of the door butt side guide portion 40, respectively. ..

A projecting direction tip surface of the guide piece portion 42 of the door butt side guide portion 40, and a projecting direction tip surface of the guide piece portion 38 and the projecting piece portion 45 of the linear portion 36a of the door tip side guide portion 36 facing the guide piece portion 42, Constitute opening-side guide side wall portions 43, 39, 46 for guiding the guided roller 19. These opening-side guide side wall portions 43, 39, 46 are provided on the opening side of the guide groove 31 so as to sandwich the guided roller 19 from both sides in the groove width direction in the same manner as described above, and guide the guided roller 19 to the trailing edge side guide. It is configured to guide along the straight portion 40a and the oblique portion 40b of the portion 40. A dimension along the groove width direction between the opening-side guide side wall portion 43 and the opening-side guide side wall portions 39 and 46 facing each other is set to a dimension corresponding to the outer diameter of the guided roller 19.

Further, in the present embodiment, on the bottom wall portions 32 and 33 of the upper rail 30, the guided roller 18 on the upper surface side of the runner main body 16 of the door-end side guided member 15 is connected to the linear portion 40 a of the door-end side guide portion 40. A bottom guide groove 35 for guiding along the oblique portion 40b is provided. With such a configuration, it is possible to prevent the one-wheel-shaped rolling element 17 traveling on the guide piece portion 42 of the door-end side guide portion 40 from being inclined, and the rolling element 17 can be prevented from moving toward the linear portion 40a and the linear portion 40a. It is possible to smoothly guide along the oblique portion 40b.
Further, in the present embodiment, the runner body 16 of the trailing edge side guided member 15 is provided with a pair of guided rollers 18, 18 at equal intervals in the groove longitudinal direction from the support portion 15a. Therefore, it is possible to improve the straightness of the straight portion 40a and smoothly change the direction at the corner portion.

As shown in FIGS. 4 and 5(a), the bottom side guide groove 35 is formed in a straight line on the bottom wall portions 32, 33 of the straight portion 40a of the door-end side guide portion 40 and the slant portion 40b, and on the lower side thereof. It is provided so as to open toward. The bottom side guide groove 35 is provided along the straight line portion 40a and the slant portion 40b of the door tail side guide portion 40. The groove width of the bottom guide groove 35 is set according to the outer diameter of the guided rollers 18, 18.
In addition, in the illustrated example, an example is shown in which the end portions of the upper rail 30 on the door sill side and the tip portions of the skewed portions 40b on the door sill side are opened along the groove longitudinal direction, but an appropriate sealing member is used. It may be provided.
Further, the upper rail 30 configured as described above may be fixed to an appropriate fixing object on the ceiling side via a fixing tool such as a screw or an appropriate fixing tool. The upper rail 30 may be fixed to an upper frame that constitutes an opening frame, a ceiling panel, or a ceiling base.
Further, an appropriate catch mechanism for restricting the sliding door panel 10 to the fully open position and the closed position, an assisting mechanism for assisting the sliding door panel 10 to the closed side, and a sliding door panel 10 moving to the fully open side or the closed side, at appropriate positions on the upper rail 30. It may be configured to provide a buffer mechanism or the like for decelerating.

In the sliding door device 1 configured as described above, as shown in FIGS. 1A, 5</b>A, and 5</b>B, the sliding door panel 10 has a wall at the fully opened position where the doorway 6 is opened. It is arranged so as to be located on the front side of the wall surface 3a of the body 3. The illustrated example shows an example in which the door end side end surface of the sliding door panel 10 is arranged so as not to be located inside the doorway 6 in the door width direction. That is, although an example is shown in which a so-called undrawn portion is not formed at the fully open position, a configuration in which the undrawn portion is formed may be adopted.
When the sliding door panel 10 in the fully open position is moved to the closing side, as shown in FIGS. 1B, 5A, and 5B, the rolling element 13 of the door-side guided member 11 is moved to the door. It travels on the guide piece portion 38 of the straight portion 36 a of the front guide portion 36. In addition, the rolling element 17 of the guided-door-side guided member 15 travels on the guide piece portion 42 of the linear portion 40 a of the guided-door side 40.
When the sliding door panel 10 is further moved to the closing side and the runner bodies 12 and 16 reach the oblique portions 36b and 40b via the corners of the straight portions 36a and 40a and the oblique portions 36b and 40b, respectively, The panel 10 moves toward the entrance/exit 6 side which is a diagonally rear side in the door thickness direction.

At this time, the runner body 12 of the door tip side guided member 11 is smoothly changed in direction by the guided rollers 14, 14 on the lower surface side that move between the opening side guide side wall portions 39, 49 at the corners. Further, the runner body 16 of the door-end side guided member 15 is smoothly changed in direction by the guided rollers 18, 18 on the upper surface side that move in the corner portions of the bottom side guide groove 35. It should be noted that the guided rollers 14, 14, 18, 18 may not be provided, and the runner bodies 12, 16 may be changed in direction by the regulation by the receiving groove described above.
When the runner bodies 12 and 16 reach the tips of the slant portions 36b and 40b, the sliding door panel 10 is in the closed position, as shown in FIGS. 1(c) and 5(c). In the present embodiment, the surface facing the front side of the sliding door panel 10 and the wall surface 3a are substantially coplanar in the closed position. The illustrated example shows an example in which the front surface of the sliding door panel 10 in the closed position is located slightly closer to the front side than the wall surface 3a, but the present invention is not limited to this mode.
Further, if the sliding door panel 10 in the closed position is moved to the open side, it is almost the reverse of the above, that is, the runner main bodies 12 and 16 pass through the oblique portions 36b and 40b and the corner portions and the straight portions 36a and 40a. To the fully open position.

Further, in the present embodiment, as shown in FIGS. 4 and 6, the sliding door device 1 includes a plurality of lower end guide members 7 that guide the lower end side of the sliding door panel 10 guided by the upper rail 30 as described above. ing. These lower end guide members 7 have the same structure as each other, and are so-called magnets in which a columnar portion 9 having an attracted portion 9a is held so as to be vertically movable with respect to a casing 8 embedded in the floor 2 side. It is used as a guide. With such a configuration, when the sliding door panel 10 does not pass through, that is, when the sliding door panel 10 does not exist on the upper side, the columnar portion 9 is recessed, so that the lower end guide member 7 becomes an obstacle. This can be suppressed.
In the present embodiment, the columnar portion 9 of the lower end guide member 7 has a substantially columnar shape, and is an inner cylinder of a telescopic pin having a two-stage telescopic structure with respect to the outer cylinder. Further, the columnar portion 9 is provided with an embedded magnet that constitutes the attracted portion 9a that is attracted by the attracting portion 20a provided in the guided groove 20 at the lower end of the sliding door panel 10. The attracting portion 20a of the guided groove 20 may be a magnet or a ferromagnetic material such as an iron plate.

As shown in FIG. 4, the lower end portion of the sliding door panel 10 is provided with a guided groove 20 into which the columnar portion 9 of the lower end guide member 7 that guides the lower end side of the sliding door panel 10 is inserted. The guided groove 20 is provided on the lower end surface of the sliding door panel 10 so as to open downward. The guided groove 20 may be directly provided on the lower end portion of the sliding door panel 10, but in the illustrated example, it is provided on a groove member attached to an attaching recess provided on the lower end portion of the sliding door panel 10. It is supposed to have been.
Further, as shown in FIG. 6A, a door into which the columnar portion 9 that is attracted and projected by magnetic force when the sliding door panel 10 moves in parallel with the wall surface 3a is inserted into the guided groove 20. A straight guided groove 21 extending in the width direction is provided. Further, as shown in FIGS. 6B and 6C, the columnar portion 9 that is attracted by the magnetic force and protrudes when the sliding door panel 10 moves in the diagonal door thickness direction is inserted into the guided groove 20. A slanted guided groove 27 extending in the diagonal door thickness direction is provided.

With the above configuration, the columnar portions 9, 9 of the lower end guide members 7, 7 that are attracted and projected by the magnetic force are inserted into the linear guided groove 21 and the oblique guided groove 27, and the sliding door panel 10 is inserted. The lower end side of the guide is made. Further, since the linear guided groove 21 and the oblique guided groove 27 are configured to be opened at the lower end surface of the sliding door panel 10, that is, the configuration provided inside the door thickness, these may be an obstacle. Can be suppressed. As a result, for example, the appearance can be improved and damage due to contact can be suppressed as compared with the case where the guide body into which the guide pin is inserted is additionally provided at the lower end of the sliding door. it can.

Further, in this embodiment, the linear guided groove 21 is provided over the entire length of the sliding door panel 10 in the door width direction, and the oblique guided groove 27 is provided so as to cross the linear guided groove 21. There is. With such a structure, the sliding door panel 10 moving in parallel with the wall surface 3a is stably guided by the columnar portion 9 of the lower end guide member 7 inserted into the straight guided groove 21 provided over the entire length. be able to.
Further, in the present embodiment, the obliquely guided groove 27 is configured to be opened on the surface (rear surface) of the sliding door panel 10 that faces the wall surface 3a. With such a configuration, the columnar portion 9 in the protruding state can be passed through the opening 28 on the rear surface side, and the groove length of the oblique guided groove 27 is effective as compared with the case where it is not opened. Can be made larger.
Further, in this embodiment, the obliquely guided groove 27 is configured to be opened on a surface (front surface) opposite to the side facing the wall surface 3a of the sliding door panel 10 in the door thickness direction. With such a configuration, the columnar portion 9 in the protruding state can be passed through the opening 29 on the front surface side, and the groove length of the oblique guided groove 27 is more effective than that without opening. Can be made larger. That is, in this embodiment, the obliquely guided groove 27 is configured to penetrate in the diagonal door thickness direction.

Further, in the present embodiment, the obliquely guided groove 27 is not provided at the door end side end portion and the middle portion, but is provided only at the door tail end side portion. With such a configuration, as shown in FIG. 6, the lower end guide member 7 is provided at the door butt side portion on the floor 2 side of the doorway 6. As a result, the floor 2 side of the doorway 6 of the doorway 6 which is more noticeable when opened can be made to have a neat appearance, as compared with the case where the lower end guide member 7 is provided at the doorway side part or the middle part.
The skewed guided groove 27 is provided in parallel with the skewed portions 36b and 40b (see FIG. 5B) of the upper rail 30 described above. The oblique guided groove 27 has a substantially rectangular groove shape when viewed in the groove longitudinal direction. The groove bottom 26 of the oblique guided groove 27 is provided with a suction portion 20a (see FIG. 4) over substantially the entire groove bottom 26 of the oblique guided groove 27. The suction portion 20a may be provided so as to be embedded, or may be provided so as to form the groove bottom 26.

The straight guided groove 21 is provided so as to be located substantially at the center in the door thickness direction. Further, the linear guided groove 21 has a substantially rectangular groove shape when viewed in the groove longitudinal direction. Further, in the groove bottoms 22, 23, 24, 25, 26 of the straight guided groove 21, the skew side groove bottom 25 adjacent to the door tip side of the groove bottom 26 common to the skew guided groove 27 is excluded. A suction unit 20a is provided. That is, the suction side portion 20a is not provided on the oblique side groove bottom 25 of the straight guided groove 21, and if the portion to be the non-suction portion reaches directly above the columnar portion 9, the protruding columnar portion 9 is formed. Is configured to be immersive. A magnet having a lower surface having the same pole as the upper surface of the attracted portion 9a is embedded in the oblique groove bottom 25 so that the attracted portion 9a provided on the columnar portion 9 repels. It may be an aspect.
In addition, a suction portion 20a is provided on the door end side groove bottom 22 of the door end side end of the linear guided groove 21 and the door end side groove bottom 24 of the door end side end adjacent to the door end side of the skew side groove bottom 25. The magnets may be provided, and the intermediate groove bottom 23 between them may be provided with an iron plate as the suction portion 20a. Instead of or in addition to the aspect in which the suction portions 20a are provided on the groove bottoms 22, 23, 24, and 26, an aspect in which the suction portions 20a are provided on the groove sidewall side may be used. May be provided at various other places.

The lower end guide member 7 is installed at a position corresponding to the guided groove 20 configured as described above. The lower end guide member 7 is installed so that at least one columnar body 9 is inserted into the guided groove 20 over substantially the entire movement of the sliding door panel 10 between the fully open position and the closed position. It may be one.
The lower end guide structure according to the present embodiment is a straight line which is inserted into the linear guided groove 21 of the sliding door panel 10 and whose upper end side is guided by the upper rail 30 and which guides the lower end side of the sliding door panel 10 that moves parallel to the wall surface 3a. The guide member 7A is provided on one side of the wall surface 3a in the door thickness direction. Further, the lower end guide structure is inserted into the obliquely guided groove 27 of the sliding door panel 10, and the upper rail 30 guides the upper end side to guide the lower end side of the sliding door panel 10 moving in the oblique door thickness direction. The member 7B is provided.
7 A of linear guide members are arrange|positioned so that it may be located just under the sliding door panel 10 which moves in parallel with the wall surface 3a. In the present embodiment, a plurality (two in the illustrated example) of linear guide members 7A, 7A are provided at intervals in the door width direction. In addition, the first linear guide member 7A is provided so as to be located immediately below the midway portion of the linear guided groove 21 of the sliding door panel 10 in the fully opened position (the portion of the intermediate groove bottom 23 in the illustrated example). Further, the second linear guide member 7A is provided so as to be located on the front side of the door end side portion of the doorway 6. The second linear guide member 7A is arranged so as to be located immediately below the slant side groove bottom 25 immediately before the sliding door panel 10 moving to the closing side moves in the diagonal door thickness direction (see FIG. 6(b)). ).

The skew guide member 7B is arranged so as to be located immediately below the sliding door panel 10 that moves in the diagonal door thickness direction. In the present embodiment, the skew guide member 7B is provided so as to be located on the doorway 6 side (rear side) in the door thickness direction with respect to the linear guide member 7A. In addition, in the present embodiment, a plurality (two in the illustrated example) of the oblique guide members 7B, 7B are provided at intervals in the direction along the groove longitudinal direction of the obliquely guided groove 27. In addition, the first skew guide member 7B is provided so as to be located on the front side of the door end side portion of the entrance/exit 6. The first skew guide member 7B is positioned immediately below the opening 28 side portion on the rear surface side of the skew guided groove 27 when the sliding door panel 10 moving to the closing side switches the direction in the diagonal door thickness direction. (See FIG. 6B). In addition, the second slanted side portion of the doorway 6 is positioned so as to be located immediately below the midway portion of the slanting guided groove 27 of the sliding door panel 10 in the closed position (in the example, the substantially central portion in the door thickness direction). The row guide member 7B is provided.

In the lower end guide structure as described above, the lower end side of the sliding door panel 10 is guided as follows.
When moving the sliding door panel 10 from the fully opened position to the closed side, as shown in FIG. 6A, the first linear guide member 7A in which the columnar portion 9 is inserted in the middle portion of the linear guided groove 21 is used. The lower end side of the sliding door panel 10 is guided in parallel with the wall surface 3a. When the door tip side groove bottom 22 of the linear guided groove 21 reaches the position directly above the second linear guide member 7A by being further moved to the closing side, the columnar portion 9 is projected and inserted into the linear guided groove 21, and the sliding door panel The lower end side of 10 is guided in parallel with the wall surface 3a. When it is further moved to the closing side and the oblique groove bottom 25 reaches just above the second linear guide member 7A, the suction force is reduced or the columnar portion 9 of the second linear guide member 7A sinks due to repulsion. ..
As shown in FIG. 6B, when the sliding door panel 10 moves in the oblique door thickness direction and the obliquely guided groove 27 reaches directly above the first oblique guide member 7B, the columnar portion 9 is projected. It is inserted into the obliquely guided groove 27 through the opening 28 on the rear surface side, and the lower end side of the sliding door panel 10 is guided in the oblique door thickness direction. When the sliding door panel 10 is further moved in the oblique door thickness direction and the obliquely guided groove 27 reaches directly above the second oblique guide member 7B, the columnar portion 9 is projected and obliquely travels through the opening 28 on the rear surface side. It is inserted into the guided groove 27. As a result, the lower end side of the sliding door panel 10 is guided in the diagonal door thickness direction, and is in the closed position as shown in FIG. 6(c).

Contrary to the above, when moving the sliding door panel 10 from the closed position to the opening side, the lower end side of the sliding door panel 10 is moved by the second oblique guide member 7B in which the columnar portion 9 is inserted in the oblique guided groove 27. Guided diagonally to the thickness direction. When it is further moved to the open side and the opening 29 site on the front surface side of the oblique guided groove 27 reaches directly above the first oblique guide member 7B, the columnar portion 9 is projected and inserted into the oblique guided groove 27. Thus, the lower end side of the sliding door panel 10 is guided in the diagonal door thickness direction. Further, when the door bottom side groove bottom 24 of the linear guided groove 21 reaches the position directly above the second linear guide member 7A by being further moved to the open side, the columnar portion 9 is projected and inserted into the linear guided groove 21, The lower end side of the sliding door panel 10 is guided in parallel with the wall surface 3a. Further, when the groove bottom of the end of the linear guided groove 21 on the door tail side reaches the position directly above the first linear guide member 7A by being further moved to the open side, the columnar portion 9 is projected to the linear guided groove 21. When the sliding door panel 10 is inserted, the lower end side of the sliding door panel 10 is guided in parallel with the wall surface 3a and is in the fully open position.

Note that, in the present embodiment, an example in which the obliquely guided groove 27 is provided only on the door tail end is shown, but instead of or in addition to such an aspect, the door tip end and the door width direction are shown. A mode in which it is provided at an intermediate portion may be adopted. In this case, the positions and the number of the oblique guide members 7B, the positions and the numbers of the non-suction portions of the linear guide grooves 21 into which the columnar portions 9 of the linear guide member 7A are recessed when shifting in the diagonal door thickness direction are appropriately selected. , It may be deformed. Further, the position and the number of the lower end guide members 7 can be appropriately changed according to the door width dimension of the sliding door panel 10, the configuration of the guided groove 20, and the like.

Next, another embodiment will be described with reference to the drawings.
In the following embodiments, differences from the first embodiment will be mainly described, and similar configurations will be denoted by the same reference numerals, and description thereof will be omitted or briefly described. Further, the description of the same operations and actions as those of the first embodiment will be omitted or briefly described.

FIG. 7: is a figure which shows typically an example of the sliding door apparatus 1A which concerns on 2nd Embodiment, and an example of the lower end guide structure using the same.
In this embodiment, the configuration of the guided groove 20A provided in the lower end portion of the sliding door panel 10A and the arrangement mode of the lower end guide member 7 are mainly different from those in the first embodiment.
In the present embodiment, as shown in FIG. 7A, the straight guided groove 21A of the guided groove 20A and the skewed guided groove (door-side skewed guided groove) 27A are divided into non-communication states. It is configured to be provided. That is, the door-side slanted guided groove 27A is provided so as not to cross the linear guided groove 21A and not communicate with the linear guided groove 21A. With such a configuration, as compared with the case where the oblique guided groove 27 is provided so as to cross the linear guided groove 21 as described above, the linear guided groove 21A and the front end side oblique guided groove are provided. It is possible to prevent the lower end guide member 7 inserted in 27A from unintentionally entering the columnar portion 9 from the side.

Further, in the present embodiment, the door-front-side slanted guided groove 27A is provided at the door-end-side end portion. With such a configuration, it is possible to effectively suppress the shake on the lower end side of the door end side portion that tends to be shaken in the door thickness direction due to a hand operation when opened.
Further, similarly to the above, the doorway side slanted guided groove 27A is configured to penetrate in the diagonal door thickness direction. That is, the opening 29A of the door-front-side skewed guided groove 27A is provided on the front surface side of the door-tip-side end of the sliding door panel 10A, and the door-tip-side obliquely guided guide is provided on the rear surface side of the sliding-door panel 10A. The opening 28A of the groove 27A is provided.
The door-side skewed guided groove 27A is provided in parallel with the skewed portions 36b and 40b (see FIG. 5B) of the upper rail 30 as described above. Further, a suction portion 20a (see FIG. 4) is provided on the groove bottom 26A of the door tip side slant guided groove 27A over substantially the entire groove bottom 26A of the door tip side slant guided groove 27A. There is.

The linear guide groove 21A is provided such that the door end side end portion 23A is provided with the wall portion separated from the door tip side oblique guide groove 27A, and extends toward the door butt side. In the present embodiment, the trailing edge side guided groove 24A is provided so as to be connected to the end of the linear guided groove 21A on the door tail side.
The trailing edge side guided groove 24A is provided so as to extend from the end of the straight guided groove 21A on the door trailing side toward one side (front side) in the diagonal door thickness direction. Similar to the above, the trailing edge side guided groove 24A is provided in parallel with the inclined portions 36b and 40b (see FIG. 5B) of the upper rail 30. In addition, the boundary portion of the slanted guideways 24A on the trailing edge side with the end portion on the trailing edge side of the straight guided groove 21A is curved in a substantially arc shape. In addition, the door trailing side slanted guided groove 24A is configured to be opened on a surface (front surface) opposite to the side facing the wall surface 3a in the sliding door panel 10A in the door thickness direction. That is, the sliding door panel 10A is provided with the opening 25A of the trailing edge of the trailing guided groove 24A on the front side of the trailing edge of the trailing edge.
In addition, the suction portion 20a (see FIG. 4) is provided over almost the entire groove bottom 22A of the linear guided groove 21A including the groove bottom of the trailing edge side guided groove 24A.

The lower end guide structure according to the present embodiment has a structure in which the linear guide member 7A that is inserted into the linear guided groove 21A of the sliding door panel 10A is provided on one side of the wall surface 3a in the door thickness direction. In this embodiment, one linear guide member 7A is provided. Further, the linear guide member 7A is provided so as to be located immediately below the door tip side end portion 23A of the linear guided groove 21A of the sliding door panel 10A in the fully opened position. In the illustrated example, the linear guide member 7A is provided so as to be positioned on the front side of the door-end side vertical frame 5.
Further, the lower end guide structure has a structure in which a slant guide member 7B to be inserted into the front end side slant guide groove 27A of the sliding door panel 10A is provided. In this embodiment, one skew guide member 7B is provided. Further, the skew guide member 7B is provided so as to be located at the door end side portion of the doorway 6.

In the lower end guide structure as described above, the lower end side of the sliding door panel 10A is guided as follows.
When moving the sliding door panel 10A from the fully opened position to the closed side, as shown in FIG. 7A, the linear guide member 7A in which the columnar portion 9 is inserted into the door end side end 23A of the linear guided groove 21A. Thus, the lower end side of the sliding door panel 10A is guided in parallel with the wall surface 3a. When it is further moved to the closing side and the trailing edge side slanted guided groove 24A reaches directly above the linear guide member 7A, the lower end side of the sliding door panel 10A is moved by the inserted columnar portion 9 as shown in FIG. 7B. Guided diagonally to the thickness direction. Further, when it is further moved to the closing side, the columnar portion 9 of the linear guide member 7A is detached via the opening 25A on the front surface side. At this time, the opening 28A site on the rear surface side of the door tip side skewed guided groove 27A reaches directly above the skew guide member 7B, the columnar portion 9 is projected and inserted into the door tip side skewed guided groove 27A, The lower end side of the sliding door panel 10A is guided in the diagonal door thickness direction, and is in the closed position as shown in FIG. 7(c).

On the contrary, when moving the sliding door panel 10A from the closed position to the opening side, the lower end side of the sliding door panel 10A is moved by the oblique guide member 7B in which the columnar portion 9 is inserted in the obliquely guided groove 27A on the door front side. Guided diagonally to the thickness direction. When it is further moved to the open side, the columnar portion 9 of the oblique guide member 7B is detached via the opening 28A on the rear surface side. At this time, the opening 25A portion on the front surface side of the trailing edge guided guide groove 24A reaches directly above the linear guide member 7A, the columnar portion 9 is projected and inserted, and the lower end side of the sliding door panel 10A extends in the oblique door thickness direction. Be guided. Further, when the linear guided groove 21A is further moved to the open side and reaches directly above the linear guided member 7A, the lower end side of the sliding door panel 10A becomes parallel to the wall surface 3a by the columnar portion 9 inserted in the linear guided groove 21A. Guided to full open position.

Also in the sliding door device 1A and the lower end guide structure according to the present embodiment configured as described above, substantially the same effect as that of the first embodiment is achieved.
Also in this embodiment, the position and number of the oblique guided grooves 24A, 27A, the oblique guide member 7B, and the linear guide member 7A, and the configuration of the linear guided groove 21A can be appropriately modified.
Further, in each of the above-described embodiments, an example in which the slanted guided grooves 27, 27A that penetrate in the diagonal door thickness direction are provided is shown, but the sliding door panels 10, 10A are opened on both sides or one side in the door thickness direction. There may be no configuration or the like.

Further, in each of the above-described embodiments, an example in which the door front side guided member 11 and the door rear side guided member 15 are provided so as to project upward from the upper end surfaces of the sliding door panels 10 and 10A. Although shown, it is not limited to such an aspect. For example, the door tip side guided member 11 and the door butt side guided member 15 may be attached to one side of the sliding door panels 10 and 10A in the door thickness direction.
Further, in each of the above-described embodiments, an example in which the front side wall portion 37 of the upper rail 30 is provided so as to be located on the side opposite to the wall surface over the entire length of the straight portion of the wall side wall portion 41 is shown. It is not limited to this mode. For example, only the door end side portion of the straight portion of the front side wall portion 37 and the door tip side portion of the straight portion of the wall side wall portion 41 may be provided so as to overlap each other when viewed in the groove width direction.

Further, in each of the above-described embodiments, an example in which the upper rail 30 is provided with the guide piece portions 38 and 42 through which the one-wheeled rolling elements 13 and 17 travel is shown, but the upper door of the sliding door panel 10 and 10A is guided. The members 11, 15 and the upper rail 30 can be modified in various other ways. For example, the sliding door panels 10 and 10A may have, on the upper end side thereof, a guided portion having various configurations such as a block shape, a piece shape, and a spherical shape, instead of the rolling elements 13 and 17, and this covered portion. The upper rail 30 may be provided with an appropriate guide groove or the like corresponding to the guide portion.
Further, a door tip side guide portion 36 for guiding the door tip side guided member 11 is provided on the front side wall portion 37, and a door butt side guide portion 40 for guiding the door butt side guided member 15 is provided on the wall side wall portion 41. However, the present invention is not limited to such an aspect. For example, the guided portion of the door-end side guided member 15 may be provided so as to be located above the guided portion of the door-end side guided member 11. In this case, the lower rail portion that guides the guided portion of the door-end side guided member 11 and the upper rail portion that guides the guided portion of the door-end side guided member 15 are stacked on the upper rail. Such an aspect may be adopted. Further, instead of such an aspect, a rail portion that guides the guided portion of the door-end side guided member 11 and a rail portion that guides the guided portion of the door-end side guided member 15 are provided in the door thickness direction. A mode in which they are provided in parallel or provided at intervals in the door width direction may be adopted. The specific configuration of each member included in the sliding door device 1 or 1A according to each of the above-described embodiments is not limited to the above-described configuration, and various modifications are possible.

1,1A Sliding door device 7 Lower end guide member 7A Linear guide member (lower end guide member)
7B Oblique guide member (lower end guide member)
8 Casing 9 Columnar part 9a Suctioned part 10, 10A Sliding door panel 11 Door tip side guided member (guided member)
15 Tojiri side guided member (guided member)
21,21A Straight guide groove 24A Door-end side oblique guide groove (oblique guide groove)
27 Oblique Guided Groove 27A Door Side Side Oblique Guided Groove (Oblique Guided Groove)
30 Upper rail 36a, 40a Straight part 36b, 40b Oblique part 2 Floor 3 Wall body 3a Wall surface 6 Doorway

Claims (6)

1. A sliding door panel that opens and closes an entrance and exit provided in the wall body, and a linear portion that suspends and supports a guided member provided at the upper end of the sliding door panel and guides in parallel with the wall surface of the wall body and the entrance and exit The upper rail having an oblique portion that guides in the direction of the oblique door thickness so as to intersect with the wall surface at the portion, and the portion to be suctioned that is vertically movable with respect to the casing that is embedded in the floor. And a plurality of lower end guide members for guiding the lower end side of the sliding door panel are held,
   At the lower end of the sliding door panel, a linear guided groove extending in the door width direction, into which the columnar portion that is attracted by magnetic force and is projected when the sliding door panel moves in parallel with the wall surface is inserted, When the sliding door panel moves in the slanted door thickness direction, the slanted guided groove extending in the slanted door thickness direction into which the columnar portion that is attracted by the magnetic force and projected is inserted, and the slanted guided groove extending downward in the lower end surface. A sliding door device, which is provided so as to open.
2. In claim 1,
   The sliding door device, wherein the obliquely guided groove is open on a surface of the sliding door panel facing the wall surface.
3. In claim 1 or 2,
   The sliding door device, wherein the obliquely guided groove is open on a surface of the sliding door panel on a side opposite to a side facing the wall surface in a door thickness direction.
4. In any one of Claim 1 thru|or 3,
   The linear guided groove is provided over the entire length in the door width direction of the sliding door panel, and the oblique guided groove is provided so as to cross the linear guided groove. apparatus.
5. In any one of Claim 1 thru|or 3,
   The sliding door device, wherein the straight guided groove and the oblique guided groove are provided so as not to communicate with each other.
6. A column that has an aspirated part that is vertically supported so that the lower end side of a sliding door panel that is supported by an upper rail and that opens and closes an entrance provided in a wall body is vertically movable with respect to a casing that is embedded in the floor side. A lower end guide structure for guiding by a plurality of lower end guide members configured to hold a portion,
   The lower end of the sliding door panel, which is attracted by a magnetic force and inserted into a linear guided groove provided in the lower end portion of the sliding door panel by magnetic force, and whose upper end is guided by the upper rail and moves in parallel with the wall surface. A lower end guide member for guiding the side is provided on one side in the door thickness direction of the wall surface,
   It is attracted and inserted by a magnetic force into a slanted guided groove provided in the lower end portion of the sliding door panel and extending in the slanted door thickness direction, and the upper rail is guided to the upper end side to intersect the wall surface at the entrance/exit portion. The lower end guide member that guides the lower end side of the sliding door panel that moves in the diagonal door thickness direction, in the door thickness direction than the lower end guide member that guides the lower end side of the sliding door panel that moves parallel to the wall surface. A lower end guide structure characterized in that the structure is provided so as to be located on the entrance/exit side.

Images