JP7071610B2 - Single rail connecting member, parallel rail connecting member, single rail installation structure for floor, and parallel rail installation structure for floor - Google Patents

Description

The present invention relates to a single rail connecting member that connects a pair of floor single rails located in the length direction to each other, a parallel rail connecting member that connects a pair of floor parallel rails located in the length direction to each other, and a floor. The present invention relates to a floor single rail installation structure in which a single rail is connected by a single rail connecting member, and a floor parallel rail installation structure in which floor parallel rails are connected by a parallel rail connecting member.

A door roller rail connecting device has been proposed as a device for connecting two or more rails to each other (for example, Patent Document 1 and Patent Document 2).
According to the technique disclosed in Patent Document 1, the shape of the door roller to be applied may be limited, the number of parts may be increased, and the construction work may be excessive.
Further, according to the technique disclosed in Patent Document 2, since it is necessary to fit the door roller rail connector to the door roller main body, the number of parts may increase and the construction work may become excessive.

Jitsukaisho 56-67155 Gazette Jitsukaihei 6-35568 Gazette

When transporting a long rail for a door roller, the length of the rail is limited due to the limitation of the means of transportation, and the rail may be transported in a shortened state. An event may occur in which the work of connecting such short rails to obtain the required length at the installation site is required.
On the other hand, in the technique disclosed in Patent Document 1 or Patent Document 2, although it is a technique relating to a connecting member, it is applied to a case where the connecting mode is limited to specific conditions and the length of the rail is limited. Is not taken into consideration.
The present invention has been made in view of such a situation, and a pair of floor single rails each having a traveling groove for traveling a door roller in the length direction are connected to each other in the length direction and installed on the floor surface. It is an object of the present invention to provide a rail connecting member.
Further, a pair of parallel floor rails having a first traveling groove portion for traveling the first door roller in the length direction and a second traveling groove portion for traveling the second door roller in parallel with the first traveling groove portion are provided in the length direction. Another object is to provide a parallel rail connecting member, which is connected to each other and installed on the floor surface.
Another object of the present invention is to provide a floor single rail installation structure in which a pair of floor single rails are connected to each other in the length direction by the single rail connecting member according to the present invention.
Another object of the present invention is to provide a floor parallel rail installation structure in which a pair of floor parallel rails are connected to each other in the length direction by the parallel rail connecting member according to the present invention.

The single rail connecting member according to the present invention has a traveling groove portion for traveling the door roller in the length direction and a convex first convex portion for holding one side of the traveling groove portion in the width direction intersecting the length direction. , A pair of floor single rails each comprising a convex second convex portion holding the other side of the traveling groove portion in the width direction are connected to each other in the length direction and installed on the floor surface. A connecting member, a groove-shaped positioning portion in which the door roller is traveled in the length direction and the pair of traveling grooves are positioned in contact with each other, and a groove-shaped positioning portion located next to the groove-shaped positioning portion in the width direction. A pair of the first fixing portions having a first fixing hole connected to the pair of the first convex portions and fixed to the floor surface, and a pair of the second fixing portions located next to the groove-shaped positioning portion in the width direction. A pair of the first convex portions extending from the first fixing portion in both the length direction and the second fixing portion which is connected to the convex portion and has a second fixing hole fixed to the floor surface. It is provided with a pair of first covering portions covering each, and a pair of second covering portions extending from the second fixing portion in both the length directions and covering each of the pair of the second convex portions. It is a feature.
Therefore, the single rail connecting member according to the present invention can easily avoid the influence of the length limitation at the time of transporting the single rail for floor.

Further, in the single rail connecting member according to the embodiment of the present invention, the groove-shaped positioning portion is characterized in that the facing surface facing the door roller is flush with the traveling groove portion.
Further, in the single rail connecting member according to the embodiment of the present invention, the first convex portion is provided with a first back groove extending in the length direction on the side of the floor surface, and the second convex portion is provided. The portion includes a second back groove extending in the length direction on the side of the floor surface, and the first fixing portion is inserted into the first back groove and is connected to the first covering portion. A second holding portion for sandwiching one convex portion is provided, and the second fixing portion is inserted into the second back groove and sandwiches the second convex portion with the second covering portion. It is characterized by having a holding portion.
Further, in the single rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively. , Is characterized.
Further, in the single rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are characterized in that each of the first holding portion and the second holding portion has an inclination on the outer side of the tip in a plan view.
Further, the single rail connecting member according to the embodiment of the present invention is characterized in that the first holding portion and the second holding portion are each provided with a lightening portion on the side of the floor surface.

Further, the parallel rail connecting member according to the present invention has a first traveling groove portion for traveling the first door roller in the length direction, a second traveling groove portion for traveling the second door roller in parallel with the first traveling groove portion, and the length thereof. A convex first convex portion that holds one side of the first traveling groove portion in a width direction intersecting the parallel direction, and one side of the first traveling groove portion and one side of the second traveling groove portion in the width direction. A pair of floor parallel rails each comprising a convex intermediate convex portion for holding the above and a convex second convex portion for holding the other side of the second traveling groove portion in the width direction. A parallel rail connecting member that is connected to each other in the direction and installed on the floor surface, and has a first groove shape in which the first door roller is driven in the length direction and a pair of the first traveling grooves are positioned in contact with each other. The positioning portion, the second groove-shaped positioning portion in which the second door roller is run in the length direction, and the pair of the second traveling groove portions are positioned in contact with each other, and the first groove-shaped positioning portion in the width direction. A first fixing portion having a first fixing hole, which is located on the outside of the above and is connected to a pair of the first convex portions and is fixed to the floor surface, and the first groove-shaped positioning portion and the first groove-shaped positioning portion in the width direction. An intermediate fixing portion located between the two groove-shaped positioning portions and connected to the pair of the intermediate convex portions, and a pair of the second convex portions located outside the second groove-shaped positioning portion in the width direction. A pair of a second fixing portion having a second fixing hole fixed to the floor surface, and a pair extending from the first fixing portion in both the length directions and covering the pair of the first convex portions, respectively. A pair of intermediate covering portions extending from the intermediate fixing portion in both directions and covering the pair of intermediate convex portions, and a pair of intermediate covering portions extending from the second fixing portion in the length direction. It is characterized by comprising a pair of second covering portions extending in both directions and covering each of the pair of the second convex portions.
Therefore, the parallel rail connecting member according to the present invention makes it easy to avoid the influence of the length limitation at the time of transporting the parallel rail for floor.

Further, in the parallel rail connecting member according to the embodiment of the present invention, in the first groove-shaped positioning portion, the facing surface facing the first door roller is flush with the first traveling groove portion, and the second groove is formed. The shape positioning portion is characterized in that the facing surface facing the second door roller is flush with the second traveling groove portion.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the first convex portion is provided with a first back groove extending in the length direction on the side of the floor surface, and the second convex portion is provided. The portion includes a second back groove extending in the length direction on the side of the floor surface, and the first fixing portion is inserted into the first back groove and is connected to the first covering portion. A second holding portion for sandwiching one convex portion is provided, and the second fixing portion is inserted into the second back groove and sandwiches the second convex portion with the second covering portion. It is characterized by having a holding portion.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively. , Is characterized.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are characterized in that each of the first holding portion and the second holding portion has an inclination on the outer side of the tip in a plan view.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the first holding portion and the second holding portion are each provided with a lightening portion on the side of the floor surface.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the intermediate convex portion is provided with two intermediate back grooves extending in the length direction on the side of the floor surface, and the intermediate fixing portion is provided. It is provided with two intermediate holding portions that are inserted into the two intermediate back grooves and sandwich the intermediate convex portion between the intermediate covering portion and the intermediate covering portion, and an intermediate fixing hole that is fixed to the floor surface. , Is characterized.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions are each longer in the length direction than the intermediate covering portion.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions each have an inclination inside the tip in a plan view.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions are each provided with a lightening portion on the side of the floor surface.

Further, the floor single rail installation structure according to the present invention has a traveling groove portion for traveling a door roller in the length direction and a convex first side that holds one side of the traveling groove portion in the width direction intersecting the length direction. A pair of floor single rails each comprising one convex portion and a convex second convex portion that holds the other side of the traveling groove portion in the width direction are connected to each other by a single rail connecting member in the length direction. It is a single rail installation structure for a connected floor, and the single rail connecting member is a single rail connecting member according to any one of the present invention.
Therefore, the floor single rail installation structure according to the present invention can be easily installed because the influence of the length limitation during transportation of the floor single rail can be easily avoided by the single rail connecting member.
Further, the floor parallel rail installation structure according to the present invention has a first traveling groove portion for traveling the first door roller in the length direction and a second traveling door wheel located parallel to the first traveling groove portion in the length direction. A second traveling groove portion for traveling, a convex first convex portion that holds one side of the first traveling groove portion in a width direction intersecting the length direction, and the other side of the first traveling groove portion and the said. A pair of parallel floor rails each comprising a convex intermediate convex portion that holds one side of the second running groove portion and a convex second convex portion that holds the other side of the second running groove portion. A floor parallel rail installation structure connected to each other by a parallel rail connecting member in the length direction, wherein the parallel rail connecting member is a parallel rail connecting member according to any one of the present invention. ..
Therefore, the floor parallel rail installation structure according to the present invention can be easily installed because the influence of the length limitation during transportation of the floor parallel rail can be easily avoided by the parallel rail connecting member.

Further, the single rail connecting member according to the present invention has a traveling groove portion for traveling the door roller in the length direction and a convex first convex shape that holds one side of the traveling groove portion in the width direction intersecting the length direction. A portion, a convex second convex portion that holds the other side of the traveling groove portion in the width direction, and a first back groove extending in the length direction on the floor surface side of the first convex portion. The second back groove extending in the length direction on the side of the floor surface of the second convex portion and the end portion of the first convex portion in the length direction are fixed to the floor surface. A pair of single floor rails each comprising one convex portion fixing hole and a second convex portion fixing hole in which the end portion of the second convex portion in the length direction is fixed to the floor surface. A single rail connecting member that is connected to each other in the length direction and installed on the floor surface, and is positioned in contact with the pair of traveling grooves in the length direction to allow the door roller to travel. A first connecting portion located next to the groove-shaped positioning portion in the width direction and connected to the pair of the first convex portions, and a pair of the first connecting portions located next to the groove-shaped positioning portion in the width direction. A second connecting portion connected to the two convex portions, a pair of first covering portions extending from the first connecting portion in both the length direction and covering the pair of the first convex portions, and a pair of the above. A pair of first holding portions that are inserted into the first back groove and sandwich the first convex portion between the first covering portion and the second connecting portion extend in both the length direction. The second convex portion is formed between the pair of second covering portions that cover the pair of the second convex portions and the second covering portion that is inserted into the pair of the second back grooves. It is characterized by comprising a pair of second sandwiching portions for sandwiching.
Therefore, the single rail connecting member according to the present invention can easily avoid the influence of the length limitation at the time of transporting the single rail for floor.

Further, in the single rail connecting member according to the embodiment of the present invention, the groove-shaped positioning portion is characterized in that the facing surface facing the door roller is flush with the traveling groove portion.
Further, in the single rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively. , Is characterized.
Further, in the single rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are characterized in that each of the first holding portion and the second holding portion has an inclination on the outer side of the tip in a plan view.
Further, the single rail connecting member according to the embodiment of the present invention is characterized in that the first holding portion and the second holding portion are each provided with a lightening portion on the side of the floor surface.

Further, the parallel rail connecting member according to the present invention has a first traveling groove portion for traveling the first door roller in the length direction, a second traveling groove portion for traveling the second door roller in parallel with the first traveling groove portion, and the length thereof. A convex first convex portion that holds one side of the first traveling groove portion in a width direction intersecting the parallel direction, and one side of the first traveling groove portion and one side of the second traveling groove portion in the width direction. The convex intermediate convex portion that holds the above, the convex second convex portion that holds the other side of the second traveling groove portion in the width direction, and the floor surface side of the first convex portion. The first back groove extending in the length direction, the second back groove extending in the length direction on the side of the floor surface of the second convex portion, and the first convex portion in the length direction. A first convex portion fixing hole whose end portion is fixed to the floor surface, and a second convex portion fixing hole whose end portion in the length direction of the second convex portion is fixed to the floor surface. A pair of parallel rails for floors, each of which is connected to each other in the length direction and installed on the floor surface, and is positioned in contact with the pair of first traveling grooves in the length direction. A first groove-shaped positioning portion for traveling the first door roller, and a second groove-shaped positioning portion for traveling the second door roller by contacting and positioning the pair of the second traveling groove portions in the length direction. , The first connecting portion located outside the first groove-shaped positioning portion in the width direction and connected to the pair of the first convex portions, and the first groove-shaped positioning portion and the second groove in the width direction. An intermediate connecting portion located between the shape positioning portions and connected to the pair of the intermediate convex portions, and a pair of the second convex portions located outside the second groove-shaped positioning portion in the width direction. A pair of first covering portions extending from the first connecting portion in both the length direction and covering the pair of the first convex portions, and a pair of the first back grooves, respectively. A pair of first sandwiching portions that are inserted and sandwich the first convex portion with the first covering portion, and a pair of intermediate convex portions extending from the intermediate connecting portion in both the length direction. A pair of intermediate covering portions that cover each of the shaped portions, a pair of second covering portions that extend from the second connecting portion in both the longitudinal directions and cover the pair of the second convex portions, and a pair of the above. It is characterized by comprising a pair of second sandwiching portions, which are inserted into the second back groove and sandwich the second convex portion between the second covering portion and the second covering portion.
Therefore, the parallel rail connecting member according to the embodiment of the present invention can easily avoid the influence of the length limitation at the time of transporting the parallel rail for the floor.

Further, in the parallel rail connecting member according to the embodiment of the present invention, in the first groove-shaped positioning portion, the facing surface facing the first door roller is flush with the first traveling groove portion, and the second groove is formed. The shape positioning portion is characterized in that the facing surface facing the second door roller is flush with the second traveling groove portion.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively. , Is characterized.
Further, in the parallel rail connecting member according to the embodiment of the present invention, the first holding portion and the second holding portion are characterized in that each of the first holding portion and the second holding portion has an inclination on the outer side of the tip in a plan view.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the first holding portion and the second holding portion are each provided with a lightening portion on the side of the floor surface.

Further, in the parallel rail connecting member according to the embodiment of the present invention, the intermediate convex portion includes two intermediate back grooves extending in the length direction on the side of the floor surface, and the intermediate connecting portion is provided. It is characterized by comprising two intermediate holding portions which are inserted into the two intermediate back grooves and sandwich the intermediate convex portion between the intermediate covering portion and the intermediate covering portion.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions are each longer in the length direction than the intermediate covering portion.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions each have an inclination inside the tip in a plan view.
Further, the parallel rail connecting member according to the embodiment of the present invention is characterized in that the two intermediate sandwiching portions are each provided with a lightening portion on the side of the floor surface.

Further, the floor single rail installation structure according to the present invention has a traveling groove portion for traveling a door roller in the length direction and a convex first one that holds one side of the traveling groove portion in the width direction intersecting the length direction. A convex portion, a convex second convex portion that holds the other side of the traveling groove portion in the width direction, and a first extending in the length direction on the floor surface side of the first convex portion. The back groove, the second back groove extending in the length direction on the side of the floor surface of the second convex portion, and the end portion of the first convex portion in the length direction are fixed to the floor surface. A pair of floor singles including a first convex portion fixing hole to be formed and a second convex portion fixing hole in which the end portion of the second convex portion in the length direction is fixed to the floor surface. It is a floor single rail installation structure in which rails are connected to each other by a single rail connecting member in the length direction, and the single rail connecting member is a single rail connecting member according to the present invention.
Therefore, the floor single rail installation structure according to the present invention can be easily installed because the influence of the length limitation during transportation of the floor single rail can be easily avoided by the single rail connecting member.
Further, the floor parallel rail installation structure according to the present invention has a first traveling groove portion for traveling the first door roller in the length direction and a second traveling door wheel located parallel to the first traveling groove portion in the length direction. A second traveling groove portion for traveling, a convex first convex portion that holds one side of the first traveling groove portion in a width direction intersecting the length direction, and the other side of the first traveling groove portion and the said. A convex intermediate convex portion that holds one side of the second running groove portion, a convex second convex portion that holds the other side of the second running groove portion, and a floor surface of the first convex portion. A first back groove extending in the length direction on the side, a second back groove extending in the length direction on the side of the floor surface of the second convex portion, and the length of the first convex portion. A first convex portion fixing hole in which the end portion in the parallel direction is fixed to the floor surface, and a second convex portion fixing in which the end portion in the length direction of the second convex portion is fixed to the floor surface. A floor parallel rail installation structure in which a pair of floor parallel rails each provided with a hole are connected to each other by a parallel rail connecting member in the length direction, wherein the parallel rail connecting member is a parallel rail according to the present invention. It is characterized by being a connecting member.
Therefore, the floor parallel rail installation structure according to the present invention can be easily installed because the influence of the length limitation during transportation of the floor parallel rail can be easily avoided by the parallel rail connecting member.

The single rail connecting member according to the present invention is a single rail for floor because it is connected by the single rail connecting member even when the single rail for floor is limited to a predetermined length due to the length limitation during transportation. It has the effect of achieving the desired length.
The parallel rail connecting member according to the present invention is a parallel rail for floor because the parallel rail for floor is connected by the parallel rail connecting member even when the parallel rail for floor is limited to a predetermined length due to the length limitation during transportation. It has the effect of achieving the desired length.
The floor single rail installation structure according to the present invention has an effect that it is easy to install because the influence of the length limitation at the time of transporting the floor single rail is easily avoided by the single rail connecting member.
The floor parallel rail installation structure according to the present invention has an effect that it is easy to install because the influence of the length limitation at the time of transporting the floor parallel rail is easily avoided by the parallel rail connecting member.

An outline of the entire single rail connecting member according to the first embodiment of the present invention and a state in which one floor single rail is separated in the floor single rail installation structure to which the single rail connecting member is applied is diagonally upward. It is a partial separation whole perspective view which shows in the perspective state seen from the side. It is a single perspective view which shows the single rail connecting member shown in FIG. 1 in the perspective state seen from diagonally above by separating from the floor single rail. It is a top view which shows the plane state of the single rail connecting member shown in FIG. 2 in a plan view. It is a bottom view which shows the back surface state of the single rail connecting member shown in FIG. 3 in the bottom view. FIG. 3 is an enlarged cross-sectional view showing an enlarged cross section of the single rail connecting member shown in FIG. 3 with arrow symbols SF5-SF5 (cutting lines in the length direction passing through the center of the first fixing hole). FIG. 3 is an enlarged cross-sectional view showing an enlarged cross section of the single rail connecting member shown in FIG. 3 with arrow codes SF6-SF6 (cutting lines in the width direction passing through the centers of the first fixing hole and the second fixing hole). The cross section of the single rail connecting member shown in FIG. 3 in the arrow code SF7-SF7 (cutting line in the width direction indicating the first covering portion and the second covering portion and the first holding portion and the second holding portion) is enlarged. It is an enlarged sectional view shown by. An outline of the entire parallel rail connecting member according to the second embodiment of the present invention and a state in which one floor parallel rail is separated in the floor parallel rail installation structure to which the parallel rail connecting member is applied is diagonally upward. It is a partial separation whole perspective view which shows in the perspective state seen from the side. It is a single perspective view which shows the parallel rail connecting member shown in FIG. 8 in the perspective state seen from diagonally above by separating from the parallel rail for a floor. It is a top view which shows the plane state of the parallel rail connecting member shown in FIG. 9 in a plan view. It is a bottom view which shows the back surface state of the parallel rail connecting member shown in FIG. 10 in the bottom view. FIG. 10 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member shown in FIG. 10 with arrow symbols SF12-SF12 (cutting lines in the length direction passing through the center of the first fixing hole). FIG. 10 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member shown in FIG. 10 with arrow symbols SF13-SF13 (cutting lines in the length direction passing through the center of the intermediate fixing hole). An enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member shown in FIG. 10 in the arrow code SF14-SF14 (cutting line in the width direction passing through the center of the first fixing hole, the intermediate fixing hole, and the second fixing hole). Is. Arrow code SF15-SF15 for the parallel rail connecting member shown in FIG. 10 (cutting line in the width direction indicating the first covering portion, the intermediate covering portion, the second covering portion, the first sandwiching portion, the intermediate sandwiching portion, and the second sandwiching portion). ) Is an enlarged cross-sectional view showing an enlarged cross section. An outline of the entire single rail connecting member according to the third embodiment of the present invention and a state in which one floor single rail is separated in the floor single rail installation structure to which the single rail connecting member is applied is diagonally upward. It is a partial separation whole perspective view which shows in the perspective state seen from the side. FIG. 16 is a single perspective view showing a single rail connecting member shown in FIG. 16 separated from a single rail for floor and viewed from diagonally above. It is a top view which shows the plane state of the single rail connecting member shown in FIG. 16 in a plan view. It is a bottom view which shows the back surface state of the single rail connecting member shown in FIG. 18 in the bottom view. FIG. 8 is an enlarged cross-sectional view showing an enlarged cross section of the single rail connecting member shown in FIG. 18 with arrow symbols SF20-SF20 (cutting lines in the length direction passing through a pair of first sandwiching portions). An enlarged cross section showing an enlarged cross section of the single rail connecting member shown in FIG. 18 in the arrow code SF21-SF21 (a cutting line in the width direction passing through the center of the first connecting portion, the groove-shaped positioning portion, and the second connecting portion). It is a figure. The cross section of the single rail connecting member shown in FIG. 18 in the arrow code SF22-SF22 (cutting line in the width direction indicating the first covering portion and the second covering portion and the first holding portion and the second holding portion) is enlarged. It is an enlarged sectional view shown by. An outline of the entire parallel rail connecting member according to the fourth embodiment of the present invention and a state in which one floor parallel rail is separated in the floor parallel rail installation structure to which the parallel rail connecting member is applied is diagonally upward. It is a partial separation whole perspective view which shows in the perspective state seen from the side. It is a single perspective view which shows the parallel rail connecting member shown in FIG. 23 separated from the parallel rail for a floor, and is seen in the perspective state seen from diagonally above. It is a top view which shows the plane state of the parallel rail connecting member shown in FIG. 24 in a plan view. It is a bottom view which shows the back surface state of the parallel rail connecting member shown in FIG. 25 in the bottom view. FIG. 25 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member shown in FIG. 25 with arrow symbols SF27-SF27 (cutting lines in the length direction passing through the pair of first sandwiching portions). FIG. 25 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member shown in FIG. 25 in the arrow code SF28-SF28 (cutting line in the length direction passing through the center of the intermediate connecting portion). Arrow code SF29-SF29 for the parallel rail connecting member shown in FIG. 25 (width direction passing through the center of the first connecting portion, the first groove-shaped positioning portion, the intermediate connecting portion, the second groove-shaped positioning portion, and the second connecting portion). It is an enlarged cross-sectional view which shows by enlarging the cross section in (the cutting line of). Arrow code SF30-SF30 for the parallel rail connecting member shown in FIG. 25 (width direction indicating the first covering portion and the first sandwiching portion, the intermediate covering portion and the intermediate sandwiching portion, and the second covering portion and the second sandwiching portion). It is an enlarged cross-sectional view which shows by enlarging the cross section in (the cutting line of).

Hereinafter, embodiments of the present invention will be described with reference to the drawings (FIGS. 1 to 15, FIGS. 16 to 30).
[Embodiment 1] (FIGS. 1 to 7)
The single rail connecting member 1 and the floor single rail installation structure 1S according to the first embodiment will be described with reference to FIGS. 1 to 7.
FIG. 1 shows the entire single rail connecting member 1 according to the first embodiment of the present invention, and one floor single rail 10 in the floor single rail installation structure 1S to which the single rail connecting member 1 is applied. It is a partially separated whole perspective view which shows the outline in the perspective state seen from diagonally above. The floor single rail 10 is shown as a cut state in the middle of the DL in the length direction for convenience.
FIG. 2 is a single perspective view showing the single rail connecting member 1 shown in FIG. 1 in a perspective state when separated from the floor single rail 10 and viewed from diagonally above.

The single rail connecting member 1 has a traveling groove portion 12 that allows the door roller WH to travel in the length direction DL, and a convex first convex portion that holds one side of the traveling groove portion 12 in the width direction DW that intersects the length direction DL. A pair of floor single rails 10 having a 14 and a convex second convex portion 16 that holds the other side of the traveling groove portion 12 in the width direction DW are connected to each other in the length direction DL to connect the floor surface FS. Install in.
The single rail connecting member 1 is located next to the groove-shaped positioning portion 20 in which the door roller WH is driven in the length direction DL and the pair of traveling groove portions 12 are in contact with each other and positioned, and the groove-shaped positioning portion 20 in the width direction DW. A pair of a first fixing portion 22 having a first fixing hole 23 connected to the pair of first convex portions 14 and fixed to the floor surface FS, and a pair located next to the groove-shaped positioning portion 20 in the width direction DW. It is provided with a second fixing portion 24 having a second fixing hole 25 which is connected to the second convex portion 16 and is fixed to the floor surface FS.
The floor surface FS is displayed in a form corresponding to the paper surface. The single rail connecting member 1 is fixed to the floor surface FS by fitting a countersunk screw (not shown) into the first fixing hole 23 and the second fixing hole 25 and screwing it into the floor surface FS.
The single rail connecting member 1 extends from the first fixing portion 22 in both the length direction DL, and is long from the pair of first covering portions 26 and the second fixing portion 24, respectively, which cover the pair of first convex portions 14. It includes a pair of second covering portions 28 that extend in both directions DL and cover the pair of second convex portions 16, respectively.

The first fixing portion 22 and the second fixing portion 24 of the single rail connecting member 1 are fixed to the floor surface FS via the first fixing hole 23 and the second fixing hole 25, respectively. Further, the groove-shaped positioning portion 20 causes the door roller WH to travel and is in contact with the traveling groove portion 12 to position the traveling groove portion 12.
The first fixing portion 22 includes a pair of first covering portions 26 that cover the pair of first convex portions 14 of the pair of floor single rails 10 to be connected in both lengthwise DLs, respectively. The fixing portion 24 includes a pair of second covering portions 28 that cover the pair of second convex portions 16 of the pair of floor single rails 10 to be connected in both lengthwise DLs.
Therefore, the floor single rails 10 connected to each other in the length direction DL via the groove-shaped positioning portion 20 are positioned on the floor surface FS. Further, the pair of first covering portions 26 covers the pair of first convex portions 14 in the length direction DL, and the pair of second covering portions 28 cover the pair of second convex portions 16 in the length direction DL. Since it covers, the pair of floor single rails 10 are connected to each other via the single rail connecting member 1 and are positioned.
Therefore, the floor single rail 10 is connected by the single rail connecting member 1 fixed to the floor surface FS at the installation site even when the length is limited during transportation and the length is limited to a predetermined length. That is, the single rail connecting member 1 makes it easy to avoid the influence of the length limitation at the time of transporting the floor single rail 10.

In the groove-shaped positioning portion 20 of the single rail connecting member 1, the facing surface 20f facing the door roller WH is flush with the traveling groove portion 12.
That is, since the traveling groove portion 12 on which the door roller WH of the floor single rail 10 to be connected travels and the groove-shaped positioning portion 20 are flush with each other on the facing surface 20f facing the door roller WH, the floor single rail 10 is a door roller. Run the WH smoothly. Therefore, the pair of floor single rails 10 to be connected can easily suppress obstacles due to the connection.
In the single rail connecting member 1, the first convex portion 14 includes a first back groove 15 extending in the length direction DL on the floor surface FS side, and the second convex portion 16 is on the floor surface FS side. A second back groove 17 extending in the length direction DL is provided. Further, the first fixing portion 22 includes a first holding portion 30 that is inserted into the first back groove 15 and sandwiches the first convex portion 14 with the first covering portion 26, and the second fixing portion 24 is provided. , A second sandwiching portion 32 that is inserted into the second back groove 17 and sandwiches the second convex portion 16 with the second covering portion 28 is provided.
The first fixing portion 22 has a first convex shape due to a first covering portion 26 covering the first convex portion 14 and a first holding portion 30 inserted into a first back groove 15 behind the first convex portion 14. The second fixing portion 24 sandwiches the portion 14, and the second fixing portion 24 is a second holding portion 32 inserted into a second back groove 17 behind the second covering portion 28 and the second convex portion 16 that covers the second convex portion 16. Since the second convex portion 16 is sandwiched by the above, it is easy to connect and hold the pair of single floor rails 10 accurately and firmly.

As described above, in the present embodiment, the floor single rail installation structure 1S (FIG. 1) will be described in addition to the single rail connecting member 1.
The floor single rail installation structure 1S according to the first embodiment has a traveling groove portion 12 for traveling the door roller WH in the length direction DL and one side of the traveling groove portion 12 in the width direction DW intersecting the length direction DL. A pair of single floor rails 10 having a convex first convex portion 14 to be held and a convex second convex portion 16 to hold the other side of the traveling groove portion 12 in the width direction DW, respectively, having a length. They are connected to each other by a single rail connecting member 1 in the direction DL. Here, the single rail connecting member 1 is the single rail connecting member 1 according to the present embodiment.
The floor single rail 10 is connected and substantially extended by the single rail connecting member 1 fixed to the floor surface FS at the installation site even when the length is limited during transportation and the length is limited to a predetermined length. Rail. Therefore, the floor single rail installation structure 1S can be easily installed because the effect of the length limitation during transportation of the floor single rail 10 can be easily avoided by the single rail connecting member 1.

FIG. 3 is a plan view showing the plan state of the single rail connecting member 1 shown in FIG. 2 in a plan view.
FIG. 4 is a bottom view showing the back surface state of the single rail connecting member 1 shown in FIG. 3 in a bottom view.
In the single rail connecting member 1, the first holding portion 30 and the second holding portion 32 are longer in the length direction DL than the first covering portion 26 and the second covering portion 28, respectively.
As a result, the single rail connecting member 1 makes it easy for the first holding portion 30 to be inserted into the first back groove 15 when positioning the floor single rail 10, and the second holding portion 32 is inserted into the second back groove. Since it is easily inserted into 17, positioning is easy and workability is easily improved.
The first holding portion 30 and the second holding portion 32 have an inclination of 30s and an inclination of 32s on the outer side of the tip in a plan view, respectively. As a result, in the floor single rail 10, when the first convex portion 14 is inserted between the first holding portion 30 and the first covering portion 26, and when the first holding portion 32 and the second covering portion 28 are inserted. When the second convex portion 16 is inserted between and, it becomes easy to insert smoothly.
The first holding portion 30 and the second holding portion 32 are provided with a lightening portion 34 and a lightening portion 36, respectively, on the side of the floor surface FS. As a result, the single rail connecting member 1 can easily suppress shrinkage and the like during molding in the first holding portion 30 and the second holding portion 32, and can easily reduce the weight.

FIG. 5 is an enlarged cross-sectional view showing an enlarged cross section of the single rail connecting member 1 shown in FIG. 3 with arrow symbols SF5-SF5 (cutting line of DL in the length direction passing through the center of the first fixing hole 23). ..
The first convex portion 14, which is outlined by an imaginary line (dashed-dotted line), is fitted into the single rail connecting member 1 in a crimped state, so that it overlaps with the solid line portion, but is separated from the solid line portion for ease of understanding. be written.
FIG. 6 shows an enlarged cross section of the single rail connecting member 1 shown in FIG. 3 in the arrow code SF6-SF6 (cutting line in the width direction DW passing through the center of the first fixing hole 23 and the second fixing hole 25). It is an enlarged sectional view.
Since the first fixing portion 22 and the second fixing portion 24 form a block-shaped base, the single rail connecting member 1 can be easily fixed stably.
FIG. 7 shows the arrow numerals SF7-SF7 (the first covering portion 26 and the second covering portion 28, and the first holding portion 30 and the second holding portion 32) with respect to the single rail connecting member 1 shown in FIG. 3 in the width direction. It is an enlarged cross-sectional view which shows the cross section in the cut line of DW) in an enlarged manner.
The floor single rail 10 (running groove portion 12, first convex portion 14, second convex portion 16, first back groove 15, second back groove 17) whose outline is shown by an imaginary line (two-dot chain line) is Since it is fitted into the single rail connecting member 1 in a crimped state, it overlaps with the solid line portion, but is described away from the solid line portion in consideration of easy understanding.
As described above, the single rail connecting member 1 according to the first embodiment includes the groove-shaped positioning portion 20 for traveling the door roller WH, and the floor single rail 10 is fitted and fixed on both sides of the DL in the length direction. With a simple structure, it is accurately aligned with the floor single rail 10 to realize reliable running of the door roller WH. Therefore, the single rail connecting member 1 can easily realize the connection at the installation site of the floor single rail 10 transported in a short state due to the length limitation.

[Embodiment 2] (FIGS. 8 to 15)
The parallel rail connecting member 4 and the floor parallel rail installation structure 4S according to the first embodiment will be described with reference to FIGS. 8 to 15.
FIG. 8 shows the entire parallel rail connecting member 4 according to the second embodiment of the present invention and one floor parallel rail 40 in the floor parallel rail installation structure 4S to which the parallel rail connecting member 4 is applied. It is a partially separated whole perspective view which shows the outline in the perspective state seen from diagonally above. The floor parallel rail 40 is shown as a cut state in the middle of the length direction for convenience.
FIG. 9 is a single perspective view showing the parallel rail connecting member 4 shown in FIG. 8 in a perspective state when separated from the floor parallel rail 40 and viewed from diagonally above.

The parallel rail connecting member 4 has a first traveling groove portion 42 for traveling the first door roller WH1 in the length direction DL, a second traveling groove portion 44 for traveling the second door roller WH2 in parallel with the first traveling groove portion 42, and a length. A convex first convex portion 46 that holds one side of the first traveling groove portion 42 in the width direction DW intersecting the direction DL, and the other side of the first traveling groove portion 42 and the second traveling groove portion 44 in the width direction DW. A parallel rail 40 for one floor including a convex intermediate convex portion 50 that holds one side and a convex second convex portion 54 that holds the other side of the second traveling groove portion 44 in the width direction DW. Are connected to each other in the length direction DL and installed on the floor surface FS.
The parallel rail connecting member 4 has a first groove-shaped positioning portion 60 in which the first door roller WH1 is driven in the length direction DL and the pair of first traveling groove portions 42 are positioned in contact with each other, and a second groove-shaped positioning portion 60 in the length direction DL. The second groove-shaped positioning portion 62 in which the door roller WH2 is run and the pair of second traveling groove portions 44 are in contact with each other and positioned, and the pair of first groove-shaped positioning portions located outside the first groove-shaped positioning portion 60 in the width direction DW. Between the first fixing portion 64 having the first fixing hole 65 connected to the convex portion 46 and fixed to the floor surface FS, and the first groove-shaped positioning portion 60 and the second groove-shaped positioning portion 62 in the width direction DW. An intermediate fixing portion 66 that is positioned and connected to a pair of intermediate convex portions 50, and a pair of second convex portions 54 that are located outside the second groove-shaped positioning portion 62 in the width direction DW and are connected to the floor surface FS. A second fixing portion 68 having a second fixing hole 69 to be fixed is provided.
The parallel rail connecting member 4 extends from the first fixing portion 64 in both the length direction DL, and has a length from the pair of first covering portions 70 that cover each of the pair of first convex portions 46 and the intermediate fixing portion 66. A pair of intermediate covering portions 72 extending in both directions DL and covering each pair of intermediate convex portions 50, and a pair of second convex portions 54 extending in both the lengthwise DL from the second fixing portion 68. A pair of second covering portions 74, each of which covers the above.
The floor surface FS is displayed in a form corresponding to the paper surface. The parallel rail connecting member 4 is fixed to the floor surface FS by fitting a countersunk screw (not shown) into the first fixing hole 65, the intermediate fixing hole 67, and the second fixing hole 69 and screwing it into the floor surface FS. Further, the first fixing hole 65 and the second fixing hole 69 accurately position the floor parallel rail 40 at both ends. Therefore, the intermediate fixing hole 67 is effective when improving the strength in addition to the positioning. Therefore, the intermediate fixing hole 67 may be omitted as needed.

The first fixing portion 64 and the second fixing portion 68 of the parallel rail connecting member 4 are fixed to the floor surface FS via the first fixing hole 65 and the second fixing hole 69, respectively. Further, the intermediate fixing portion 66 is self-aligned by the first fixing portion 64 and the second fixing portion 68. The first groove-shaped positioning portion 60 is in contact with the first traveling groove portion 42 to position the first traveling groove portion 42 and travel the first door roller WH1, and the second groove-shaped positioning portion 62 is in contact with the second traveling groove portion 44. The second traveling groove 44 is positioned, and the second door roller WH2 is driven.
The first fixing portion 64 includes a pair of first covering portions 70 that cover each of the pair of first convex portions 46 of the pair of floor parallel rails 40 to be connected in both lengthwise DLs, and is intermediately fixed. The portion 66 includes a pair of intermediate covering portions 72 that cover the pair of intermediate convex portions 50 of the pair of floor parallel rails 40 in both lengthwise DLs, and the second fixing portion 68 is for a pair of floors. A pair of second covering portions 74 that cover the pair of second convex portions 54 of the parallel rail 40 in both lengthwise DLs are provided.
Therefore, the floor parallel rail 40 connected to each other in the length direction DL via the first groove-shaped positioning portion 60 and the second groove-shaped positioning portion 62 is positioned on the floor surface FS. Further, the pair of first covering portions 70 cover the pair of first convex portions 46 in the length direction DL, and the pair of intermediate covering portions 72 cover the pair of intermediate convex portions 50 in the length direction DL. Since the pair of second covering portions 74 cover the pair of second convex portions 54 in the length direction DL, the pair of floor parallel rails 40 are connected to each other and positioned via the parallel rail connecting member 4. To.
Therefore, the floor parallel rail 40 is connected by the parallel rail connecting member 4 fixed to the floor surface FS at the installation site even when the length is limited during transportation and the length is limited to a predetermined length. That is, the parallel rail connecting member 4 makes it easy to avoid the influence of the length limitation at the time of transporting the floor parallel rail 40.

In the first groove-shaped positioning portion 60 of the parallel rail connecting member 4, the facing surface 60f facing the first door roller WH1 is flush with the first traveling groove portion 42, and the second groove-shaped positioning portion 62 is in the second door roller WH2. The facing surfaces 62f facing each other are flush with the second traveling groove portion 44.
That is, the facing surface 60f facing the first door roller WH1 is flush with the first traveling groove portion 42 on which the first door roller WH1 of the floor parallel rail 40 to be connected travels and the first groove-shaped positioning portion 60. Since the facing surface 62f facing the second door roller WH2 is flush with the second traveling groove portion 44 on which the second door roller WH2 travels and the second groove-shaped positioning portion 62, the floor parallel rail 40 is the first door roller WH1. And the second door car WH2 runs smoothly. Therefore, the pair of floor parallel rails 40 to be connected can easily suppress obstacles due to the connection.

In the parallel rail connecting member 4, the first convex portion 46 includes a first back groove 48 extending in the length direction DL on the floor surface FS side, and the second convex portion 54 is on the floor surface FS side. A second back groove 56 extending in the length direction DL is provided, and the first fixing portion 64 is inserted into the first back groove 48 and sandwiches the first convex portion 46 with the first covering portion 70. The first holding portion 80 is provided, and the second fixing portion 68 includes a second holding portion 84 that is inserted into the second back groove 56 and sandwiches the second convex portion 54 with the second covering portion 74.
The first fixing portion 64 has a first convex shape due to a first covering portion 70 covering the first convex portion 46 and a first holding portion 80 inserted into a first back groove 48 behind the first convex portion 46. The intermediate fixing portion 66 sandwiches the portion 46, the intermediate fixing portion 66 covers the intermediate convex portion 50 by the intermediate covering portion 72, and the second fixing portion 68 has a second covering portion 74 and a second convex portion covering the second convex portion 54. Since the second convex portion 54 is sandwiched by the second sandwiching portion 84 inserted into the second back groove 56 on the back of the portion 54, it is easy to connect and hold the floor parallel rail 40 accurately and firmly.

The intermediate convex portion 50 includes two intermediate back grooves 52 extending in the length direction DL on the floor surface FS side, and the intermediate fixing portion 66 is inserted into each of the two intermediate back grooves 52 to form an intermediate coating. The intermediate fixing portion 66 includes two intermediate sandwiching portions 82 that sandwich the intermediate convex portion 50 between the portions 72, and the intermediate fixing portion 66 is the back surface of the intermediate covering portion 72 that covers the intermediate convex portion 50 and the intermediate convex portion 50. The form in which the intermediate convex portion 50 is sandwiched between the two intermediate sandwiching portions 82 inserted into the two intermediate back grooves 52 is shown, and the intermediate back groove 52 of the floor parallel rail 40 and the intermediate sandwiching of the parallel rail connecting member 4 are sandwiched. The portion 82 and the intermediate fixing hole 67 may be omitted as appropriate.

As described above, in the present embodiment, the floor parallel rail installation structure 4S (FIG. 8) will be described in addition to the parallel rail connecting member 4.
The floor parallel rail installation structure 4S according to the second embodiment has a first traveling groove portion 42 for traveling the first door roller WH1 in the length direction DL and a first traveling groove portion 42 located in parallel with the first traveling groove portion 42 in the length direction. A second traveling groove 44 that causes the DL to travel the second door roller WH2, and a convex first convex portion 46 that holds one side of the first traveling groove 42 in the width direction DW that intersects the length DL. 1 Convex intermediate convex portion 50 that holds the other side of the running groove portion 42 and one side of the second running groove portion 44, and a convex second convex portion 54 that holds the other side of the second running groove portion 44. , A pair of parallel rails for floors 40 are connected to each other by a parallel rail connecting member 4 in the length direction DL. Here, the parallel rail connecting member 4 is the parallel rail connecting member 4 according to the present embodiment.
The floor parallel rail 40 is connected and substantially extended by the parallel rail connecting member 4 fixed to the floor surface FS at the installation site even when the length is limited during transportation and the length is limited to a predetermined length. Rail. Therefore, the floor parallel rail installation structure 4S can be easily installed because the effect of the length limitation during transportation of the floor parallel rail 40 can be easily avoided by the parallel rail connecting member 4.

FIG. 10 is a plan view showing the plan state of the parallel rail connecting member 4 shown in FIG. 9 in a plan view.
FIG. 11 is a bottom view showing the state of the back surface of the parallel rail connecting member shown in FIG. 10 in a bottom view.
In the parallel rail connecting member 4, the first holding portion 80 and the second holding portion 84 are longer in the length direction DL than the first covering portion 70 and the second covering portion 74, respectively. As a result, when positioning the parallel rail 40 for the floor and the parallel rail connecting member 4, the first holding portion 80 can be easily inserted into the first back groove 48, and the second holding 84 can be easily inserted into the second back groove 56. Since it is easy to insert into, positioning is easy and workability is easy to improve.
The first holding portion 80 and the second holding portion 84 have an inclination of 80s and an inclination of 84s on the outer side of the tip in a plan view, respectively. As a result, the floor parallel rail 40 has the first convex portion 46 inserted between the first holding portion 80 and the first covering portion 70, and the second holding portion 84 and the second covering portion 74. When the second convex portion 54 is inserted between and, it becomes easy to insert smoothly.
The first sandwiching portion 80 and the second sandwiching portion 84 are provided with a lightening portion 86 and a lightening portion 90, respectively, on the side of the floor surface FS. As a result, the parallel rail connecting member 4 can easily suppress shrinkage and the like during molding in the first holding portion 80 and the second holding portion 84, and can easily reduce the weight.
In the present embodiment, the intermediate convex portion 50 in the floor parallel rail 40 and the intermediate fixing portion 66 in the parallel rail connecting member 4 are similarly configured.
The intermediate fixing hole 67 is located at the center of the intermediate fixing portion 66 in the width direction DW, and the two intermediate back grooves 52 are symmetrically located on both sides of the width direction DW of the intermediate fixing hole 67. Since the intermediate back groove 52 is located symmetrically on both sides of the DW in the width direction with respect to the intermediate fixing hole 67 located at the center of the intermediate fixing portion 66, it is easy to secure highly accurate positioning and uniform strength.
Since the two intermediate holding portions 82 are symmetrically located on both sides of the DW in the width direction with respect to the intermediate fixing hole 67 located at the center of the intermediate fixing portion 66, it is easy to secure highly accurate positioning and uniform strength.
Since the intermediate back groove 52 in the floor parallel rail 40 is symmetrically located on both sides of the DW in the width direction with respect to the intermediate fixing hole 67 located in the center of the intermediate fixing portion 66, highly accurate positioning and uniform strength are ensured. It's easy to do. The two intermediate holding portions 82 are positioned in the two intermediate back grooves 52, respectively.

The intermediate convex portion 50 includes two intermediate back grooves 52 extending in the length direction DL on the floor surface FS side, and the intermediate fixing portion 66 is inserted into each of the two intermediate back grooves 52 to form an intermediate covering portion 72. It is provided with two intermediate sandwiching portions 82 for sandwiching the intermediate convex portions 50 between the two, and an intermediate fixing hole 67 fixed to the floor surface FS.
The intermediate fixing portion 66 is formed by an intermediate covering portion 72 that covers the intermediate convex portion 50 and two intermediate holding portions 82 that are inserted into the two intermediate back grooves 52 on the back of the intermediate convex portion 50. Is sandwiched between the two, so that it is more easily fixed to the floor surface FS via the intermediate fixing hole 67 fixed to the floor surface FS.
The two intermediate sandwiching portions 82 are each longer in the length direction DL than the intermediate covering portion 72. As a result, when positioning the floor parallel rail 40 and the parallel rail connecting member 4, the intermediate holding portion 82 is easily inserted into the intermediate back groove 52, so that positioning is facilitated and workability is easily improved.
The two intermediate sandwiching portions 82 each have an inclination 82s inside the tip in a plan view. As a result, the parallel rail connecting member 4 is easily inserted smoothly when the intermediate convex portion 50 is inserted between the intermediate sandwiching portion 82 and the intermediate covering portion 72.
The two intermediate sandwiching portions 82 each include a lightening portion 88 on the side of the floor surface FS. As a result, the parallel rail connecting member can easily suppress shrinkage or the like during molding of the intermediate holding portion 82, and can easily reduce the weight.

FIG. 12 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member 4 shown in FIG. 10 with arrow symbols SF12-SF12 (cutting line of DL in the length direction passing through the center of the first fixing hole 65). ..
The first convex portion 46, which is outlined by an imaginary line (two-dot chain line), is fitted into the parallel rail connecting member 4 (between the first covering portion 70 and the first sandwiching portion 80) in a crimped state, and is therefore a solid line. Although it overlaps with the part, it is described away from the solid line part for the sake of clarity.
FIG. 13 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member 4 shown in FIG. 10 with arrow symbols SF13-SF13 (cutting line of DL in the length direction passing through the center of the intermediate fixing hole 67).
The intermediate convex portion 50, which is outlined by an imaginary line (dashed-dotted line), is fitted into the parallel rail connecting member 4 (between the intermediate covering portion 72 and the intermediate sandwiching portion 82) in a crimped state, so that it overlaps with the solid line portion. Is written away from the solid line part for the sake of clarity.
FIG. 14 shows an arrow symbol SF14-SF14 (a cutting line in the width direction DW passing through the center of the first fixing hole 65, the intermediate fixing hole 67, and the second fixing hole 69) with respect to the parallel rail connecting member 4 shown in FIG. It is an enlarged cross-sectional view which shows the cross section enlarged in the vertical direction.
Since the first fixing portion 64, the intermediate fixing portion 66, and the second fixing portion 68 form a block-shaped base, the single rail connecting member 1 can be easily fixed stably.
FIG. 15 shows the arrow symbols SF15-SF15 (first covering portion 70, intermediate covering portion 72, second covering portion 74, first holding portion 80, intermediate holding portion 82, second covering portion 70) with respect to the parallel rail connecting member 4 shown in FIG. 2 It is an enlarged cross-sectional view which shows by enlarging the cross section in the vertical direction (the cutting line of the width direction DW which shows 2 holding part 84).
The floor parallel rail 40 (first running groove 42, second running groove 44, first back groove 48, intermediate back groove 52, second back groove 56, first) whose outline is shown by an imaginary line (two-dot chain line). Since the convex portion 46, the intermediate convex portion 50, and the second convex portion 54) are fitted in the crimped state, they overlap with the solid line portion, but are described separately from the solid line portion for ease of understanding.
As described above, the parallel rail connecting member 4 according to the second embodiment has a first groove-shaped positioning portion 60 for traveling the first door roller WH1 and a second groove-shaped positioning portion 62 for traveling the second door roller WH2. Since the floor parallel rails 40 are fitted and fixed on both sides of the DL in the length direction, the floor parallel rails 40 can be accurately aligned with the floor parallel rails 40 to ensure the first door car WH1 and the second door car WH2. Achieve good driving. Therefore, the parallel rail connecting member 4 can easily realize the connection at the installation site of the floor parallel rail 40 transported in a short state due to the length limitation.
[Embodiment 3] (Figs. 16 to 22)

[Embodiment 3] (FIGS. 16 to 22)
The single rail connecting member 101 and the floor single rail installation structure 101S according to the third embodiment will be described with reference to FIGS. 16 to 22.
FIG. 16 shows the entire single rail connecting member 101 according to the third embodiment of the present invention, and one floor single rail 110 in the floor single rail installation structure 101S to which the single rail connecting member 101 is applied. It is a partially separated whole perspective view which shows the outline in the perspective state seen from diagonally above. The floor single rail 110 is shown as a cut state in the middle of the length direction for convenience.
FIG. 17 is a single perspective view showing the single rail connecting member 101 shown in FIG. 16 in a perspective state when separated from the floor single rail 110 and viewed from diagonally above.
FIG. 18 is a plan view showing the plan state of the single rail connecting member 101 shown in FIG. 16 in a plan view.
FIG. 19 is a bottom view showing the back surface state of the single rail connecting member 101 shown in FIG. 18 in a bottom view.
The single rail connecting member 101 has a traveling groove portion 112 that allows the door roller WH to travel in the length direction DL, and a convex first convex portion that holds one side of the traveling groove portion 112 in the width direction DW that intersects the length direction DL. 114, a convex second convex portion 116 that holds the other side of the traveling groove portion 112 in the width direction DW, and a first back extending in the length direction DL on the floor surface FS side of the first convex portion 114. The groove 115, the second back groove 117 extending in the length direction DL on the side of the floor surface FS of the second convex portion 116, and the end of the length direction DL of the first convex portion 114 become the floor surface FS. A pair of first convex portion fixing holes 118 to be fixed and a second convex portion fixing hole 119 in which the end portion of the length direction DL of the second convex portion 116 is fixed to the floor surface FS. The floor single rails 110 are connected to each other in the length direction DL and installed on the floor surface FS.
The single rail connecting member 101 is positioned next to the groove-shaped positioning portion 120, which is positioned in contact with the pair of traveling groove portions 112 in the length direction DL and runs the door roller WH, and the groove-shaped positioning portion 120 in the width direction DW. A first connecting portion 122 connected to the pair of first convex portions 114, and a second connecting portion 124 located next to the groove-shaped positioning portion 120 in the width direction DW and connected to the pair of second convex portions 116. A pair of first covering portions 126 extending from the first connecting portion 122 in both the length direction DL and covering the pair of first convex portions 114, and a pair of first back grooves 115, respectively, are inserted into the first. A pair of first sandwiching portions 130 that sandwich the first convex portion 114 between the covering portion 126 and a pair of second convex portions 116 extending from the second connecting portion 124 in both the length direction DL. A pair of second holding portions 132 that sandwich the second convex portion 116 between the pair of second covering portions 128 that each cover the two and the second covering portion 128 that is inserted into the pair of second back grooves 117, respectively. And.
The floor surface FS is displayed in a form corresponding to the paper surface.

In the floor single rail 110, the first convex portion 114 is fixed to the floor surface FS via the first convex portion fixing hole 118 located at the end, and the second convex portion 116 is located at the end. It is fixed to the floor surface FS via the second convex portion fixing hole 119. As a result, the pair of floor single rails 110 are positioned and fixed with respect to the floor surface FS.
Specifically, the first convex portion 114 is fixed by screwing, for example, a countersunk screw (not shown) inserted into the first convex portion fixing hole 118 into the floor surface FS. The second convex portion 116 is fixed by screwing, for example, a countersunk screw (not shown) inserted into the second convex portion fixing hole 119 into the floor surface FS. That is, the floor single rail 110 is fixed to the floor surface FS by fitting a countersunk screw (not shown) into the first convex portion fixing hole 118 and the second convex portion fixing hole 119 and screwing it into the floor surface FS. The floor.

In the single rail connecting member 101, the first connecting portion 122 connected to the first convex portion 114 extends in both the length directions DL and covers the first convex portion 114, the first covering portion 126 and the first back groove 115. The second connecting portion 124 is provided with a first sandwiching portion 130 that is inserted into the first covering portion 126 and sandwiches the first convex portion 114 with the first covering portion 126, and the second connecting portion 124 connected to the second convex portion 116 has a length. A second covering portion 128 extending in both directions DL to cover the second convex portion 116 and being inserted into the second back groove 117 to sandwich the second convex portion 116 between the second covering portion 128. A holding portion 132 is provided.
That is, since the first connecting portion 122 and the second connecting portion 124 position and fix the groove-shaped positioning portion 120 from both sides in the width direction DW, the groove-shaped positioning portion 120 connects the pair of traveling groove portions 112 and has a length. Drive the door roller WH in the direction DL.
Therefore, the single rail connecting member 101 that is not directly fixed to the floor surface FS is positioned and fixed between the pair of floor single rails 110 that are directly fixed to the floor surface FS, and the floor single rails 110 are connected to each other. can.
Therefore, the floor single rail 110 is fixed to the floor surface FS at the installation site even when the length is limited during transportation and is limited to a predetermined length, and the space between the pair of floor single rails 110 is It is connected by a single rail connecting member 101. That is, the single rail connecting member 101 makes it easy to avoid the influence of the length limitation at the time of transporting the floor single rail 110.

In the groove-shaped positioning portion 120 of the single rail connecting member 101, the facing surface 120f facing the door roller WH is flush with the traveling groove portion 112 of the floor single rail 110. Since the traveling groove portion 112 on which the door roller WH of the floor single rail 110 to be connected travels and the groove-shaped positioning portion 120 are flush with each other on the facing surface 120f facing the door roller WH, the floor single rail 110 uses the door roller WH. Run smoothly. Therefore, the pair of floor single rails 110 to be connected can easily suppress obstacles due to the connection.
In the single rail connecting member 101, the first holding portion 130 and the second holding portion 132 are longer in the length direction DL than the first covering portion 126 and the second covering portion 128, respectively. As a result, when the single rail connecting member 101 is positioned with respect to the floor single rail 110, the first holding portion 130 can be easily inserted into the first back groove 115, and the second holding portion 132 can be inserted into the first back groove 115. 2 Since it is easy to insert it into the back groove 117, positioning is easy and workability is easily improved.
In the single rail connecting member 101, the first holding portion 130 and the second holding portion 132 have an inclination of 130s and an inclination of 132s on the outer side of the tip in a plan view, respectively. As a result, in the floor single rail 110, when the first convex portion 114 is inserted between the first holding portion 130 and the first covering portion 126, and when the second holding portion 132 and the second covering portion 128 are inserted. When the second convex portion 116 is inserted between and, it becomes easy to insert smoothly. The inclination 130s and the inclination 132s have a shape in which the outside of the tip is narrowed.
In the single rail connecting member 101, the first holding portion 130 and the second holding portion 132 are provided with a lightening portion 134 and a lightening portion 136, respectively, on the side of the floor surface FS. As a result, the single rail connecting member 101 can easily suppress shrinkage and the like during molding in the first holding portion 130 and the second holding portion 132, and can easily reduce the weight.

As described above, in the present embodiment, the floor single rail installation structure 101S (FIG. 16) will be described in addition to the single rail connecting member 101.
The floor single rail installation structure 101S according to the present embodiment holds one side of the traveling groove portion 112 in the traveling groove portion 112 for traveling the door roller WH in the length direction DL and the traveling groove portion 112 in the width direction DW intersecting the length direction DL. The convex first convex portion 114, the convex second convex portion 116 that holds the other side of the traveling groove portion 112 in the width direction DW, and the length of the first convex portion 114 on the floor surface FS side. The first back groove 115 extending in the vertical direction DL, the second back groove 117 extending in the length direction DL on the floor surface FS side of the second convex portion 116, and the length direction of the first convex portion 114. The first convex portion fixing hole 118 in which the end portion of the DL is fixed to the floor surface FS, and the second convex portion fixing in which the end portion of the second convex portion 116 in the length direction DL is fixed to the floor surface FS. A pair of floor single rails 110 having holes 119 and holes 119 are connected to each other by a single rail connecting member 101 in the length direction DL. Here, the single rail connecting member 101 is the single rail connecting member 101 according to the present embodiment.
In the floor single rail 110, when the length is limited during transportation and the length is limited to a predetermined length, the end of the length DL of the first convex portion 114 is fixed to the floor surface FS. Since the shape portion fixing hole 118 and the second convex portion fixing hole 119 in which the end portion of the lengthwise DL of the second convex portion 116 is fixed to the floor surface FS, a pair of floor single rails 110 are provided. Is positioned and fixed with respect to the floor surface FS.
Since the pair of floor single rails 110 are connected via the single rail connecting member 101 positioned and fixed to the floor single rail 110, the pair of floor single rails 110 is substantially extended. It becomes a state. Therefore, the floor single rail installation structure 101S can be easily installed because the influence of the length limitation during transportation of the floor single rail 110 can be easily avoided by the single rail connecting member 101.

FIG. 20 is an enlarged cross-sectional view showing an enlarged cross section of the single rail connecting member 101 shown in FIG. 18 with arrow symbols SF20-SF20 (cutting lines of DL in the length direction passing through the pair of first sandwiching portions 130). ..
The first convex portion 114, which is outlined by an imaginary line (dashed-dotted line), is fitted into the single rail connecting member 101 in a crimped state, so that it overlaps with the solid line portion, but is separated from the solid line portion for ease of understanding. be written.
FIG. 21 shows the arrow code SF21-SF21 (cutting line in the width direction DW passing through the center of the first connecting portion 122, the groove-shaped positioning portion 120, and the second connecting portion 124) with respect to the single rail connecting member 101 shown in FIG. It is an enlarged cross-sectional view which shows by enlarging the cross section in.
Since the first connecting portion 122 and the second connecting portion 124 form a block-shaped substrate, the groove-shaped positioning portion 120 can be easily fixed stably.
FIG. 22 shows the arrow numerals SF22-SF22 (the first covering portion 126 and the second covering portion 128, and the first holding portion 130 and the second holding portion 132) with respect to the single rail connecting member 101 shown in FIG. 18 in the width direction. It is an enlarged cross-sectional view which shows the cross section in the cut line of DW) in an enlarged manner.
The floor single rail 110 (running groove 112, first convex portion 114, second convex portion 116, first back groove 115, and second back groove 117) whose outline is shown by an imaginary line (two-dot chain line). Since it is fitted into the single rail connecting member 101 in a crimped state, it overlaps with the solid line portion, but is described away from the solid line portion in consideration of easy understanding.
As described above, the single rail connecting member 101 according to the present embodiment includes the groove-shaped positioning portion 120 for traveling the door roller WH, and the floor single rail 110 is fitted and fixed on both sides of the DL in the length direction. With a simple structure, it is accurately aligned with the floor single rail 110 to realize reliable running of the door roller WH. Therefore, the single rail connecting member 101 can easily realize the on-site connection of the floor single rail 110 transported in a short state due to the length limitation.

[Embodiment 4] (FIGS. 23 to 30)
The parallel rail connecting member 4 and the floor parallel rail installation structure 4S according to the present embodiment will be described with reference to FIGS. 23 to 30.
FIG. 23 shows the entire parallel rail connecting member 104 according to the fourth embodiment of the present invention, and one floor parallel rail 140 in the floor parallel rail installation structure 104S to which the parallel rail connecting member 104 is applied. It is a partially separated whole perspective view which shows the outline in the perspective state seen from diagonally above. The floor parallel rail 140 is shown as being cut in the middle of the length direction for convenience.
FIG. 24 is a single perspective view showing the parallel rail connecting member 104 shown in FIG. 23 in a perspective state when separated from the floor parallel rail 140 and viewed from diagonally above.
FIG. 25 is a plan view showing the plan state of the parallel rail connecting member 104 shown in FIG. 24 in a plan view.
FIG. 26 is a bottom view showing the back surface state of the parallel rail connecting member 104 shown in FIG. 25 in a bottom view.

The parallel rail connecting member 104 has a first traveling groove portion 142 for traveling the first door roller WH1 in the length direction DL, and a second traveling groove portion 144 for traveling the second door roller WH2 in parallel with the first traveling groove portion 142. Convex first convex portion 146 holding one side of the first traveling groove portion 142 in the width direction DW intersecting the direction DL, and the other side of the first traveling groove portion 142 and the second traveling groove portion 144 in the width direction DW. A convex intermediate convex portion 150 that holds one side, a convex second convex portion 154 that holds the other side of the second traveling groove portion 144 in the width direction DW, and a floor surface of the first convex portion 146. The first back groove 148 extending in the length direction DL on the FS side, the second back groove 156 extending in the length direction DL on the floor surface FS side of the second convex portion 154, and the first convex portion. The first convex portion fixing hole 147 in which the end portion of the length DL of 146 is fixed to the floor surface FS, and the end portion of the length direction DL of the second convex portion 154 are fixed to the floor surface FS. A pair of parallel floor rails 140 having two convex portion fixing holes 155 and each thereof are connected to each other in the length direction DL and installed on the floor surface FS.
The parallel rail connecting member 104 is positioned in contact with the pair of first traveling groove portions 142 in the length direction DL, respectively, and is positioned on the first groove-shaped positioning portion 160 for traveling the first door roller WH1 and the pair of second traveling groove portions 144. A pair of first convex shapes located outside the second groove-shaped positioning portion 162, which is positioned in contact with each other in the length direction DL and runs the second door roller WH2, and the first groove-shaped positioning portion 160 in the width direction DW. A first connecting portion 164 connected to the portion 146, and an intermediate connecting portion 166 located between the first groove-shaped positioning portion 160 and the second groove-shaped positioning portion 162 in the width direction DW and connected to the pair of intermediate convex portions 150. The second connecting portion 168, which is located outside the second groove-shaped positioning portion 162 in the width direction DW and is connected to the pair of second convex portions 154, and extends from the first connecting portion 164 in both the length direction DL. , The first convex portion 146 is inserted between the pair of first covering portions 170 each covering the pair of first convex portions 146 and the first covering portion 170 inserted into the pair of first back grooves 148, respectively. From the pair of first sandwiching portions 180 to be sandwiched, the pair of intermediate covering portions 172 extending from the intermediate connecting portion 166 in both the length direction DL and covering the pair of intermediate convex portions 150, and the second connecting portion 168. Between the pair of second covering portions 174 extending in both of the lengthwise DLs and covering the pair of second convex portions 154, respectively, and the second covering portion 174 inserted into the pair of second back grooves 156. A pair of second sandwiching portions 184 that sandwich the second convex portions 154 are provided.
The floor surface FS is displayed in a form corresponding to the paper surface.

In the floor parallel rail 140, the first convex portion 146 is fixed to the floor surface FS via the first convex portion fixing hole 147 located at the end, and the second convex portion 154 is located at the end. It is fixed to the floor surface FS via the second convex portion fixing hole 155. As a result, the pair of floor parallel rails 140 are positioned and fixed with respect to the floor surface FS.
Specifically, the first convex portion 146 is fixed by screwing, for example, a countersunk screw (not shown) inserted into the first convex portion fixing hole 147 into the floor surface FS. The second convex portion 154 is fixed by screwing, for example, a countersunk screw (not shown) inserted into the second convex portion fixing hole 155 into the floor surface FS. That is, the floor parallel rail 140 is fixed to the floor surface FS by fitting a countersunk screw (not shown) into the first convex portion fixing hole 147 and the second convex portion fixing hole 155 and screwing it into the floor surface FS. The floor.

In the parallel rail connecting member 104, the first connecting portion 164 connected to the first convex portion 146 extends in both the length direction DLs and covers the first convex portion 146, the first covering portion 170 and the first back groove 148. The second connecting portion 168 connected to the second convex portion 154 is provided with a first sandwiching portion 180 which is inserted into the first covering portion 170 and sandwiches the first convex portion 146 with the first covering portion 170. A second holding portion that extends to both of the above and covers the second convex portion 154 and is inserted into the second back groove 156 to hold the second convex portion 154 between the second covering portion 174. The intermediate connecting portion 166, which comprises 184 and is connected to the intermediate convex portion 150, includes an intermediate covering portion 172 which extends in both of the lengthwise DLs and covers the intermediate convex portion 150.
Further, since the first connecting portion 164, the intermediate connecting portion 166, and the second connecting portion 168 position the first groove-shaped positioning portion 160 and the second groove-shaped positioning portion 162, the first groove-shaped positioning portion 160 may be used. The pair of first traveling groove portions 142 are connected to travel the first door roller WH1 in the length direction DL, and the second groove-shaped positioning portion 162 connects the pair of second traveling groove portions 144 to the first in the length direction DL. Run the two-door car WH2.
Therefore, the parallel rail connecting member 104 that is not directly fixed to the floor surface FS is positioned and fixed between the pair of floor parallel rails 140 that are directly fixed to the floor surface FS, and the floor parallel rails 140 are mutually fixed. Can be connected.
Therefore, the floor parallel rail 140 is fixed to the floor surface FS at the installation site even when the length is limited during transportation and is limited to a predetermined length, and the space between the pair of floor parallel rails 140 is It is connected by the parallel rail connecting member 104. That is, the parallel rail connecting member 104 makes it easy to avoid the influence of the length limitation at the time of transporting the floor parallel rail 140.

In the parallel rail connecting member 104, in the first groove-shaped positioning portion 160, the facing surface 160f facing the first door roller WH1 is flush with the first traveling groove portion 142, and the second groove-shaped positioning portion 162 is the second door roller WH2. The facing surface 162f facing the surface is flush with the second traveling groove portion 144. The first traveling groove portion 142 on which the first door roller WH1 of the parallel floor rail 140 to be connected travels and the first groove-shaped positioning portion 160 are flush with each other on the facing surface 160f facing the first door roller WH1. Since the facing surface 162f facing the second door roller WH2 is flush with the second traveling groove portion 144 on which the door roller WH2 travels and the second groove-shaped positioning portion 162, the floor parallel rail 140 is the first door roller WH1 and the first door roller WH1. The two-door car WH2 runs smoothly. Therefore, the pair of floor parallel rails 140 to be connected can easily suppress obstacles due to the connection.
In the parallel rail connecting member 104, the first holding portion 180 and the second holding portion 184 are longer in the length direction DL than the first covering portion 170 and the second covering portion 174, respectively. As a result, when positioning the floor parallel rail 140 and the parallel rail connecting member 104, the first convex portion 146 and the second convex portion 154 have the first back groove 148 and the first back groove 148 located on the floor surface FS side. 2 The first holding portion 180 and the second holding portion 184 are easily inserted into the back groove 156, and are inserted below the first covering portion 170 and below the second covering portion 174, so that positioning is easy and workability is achieved. Easy to improve.
In the parallel rail connecting member 104, the first holding portion 180 and the second holding portion 184 have an inclination of 180s and an inclination of 184s on the outer side of the tip in a plan view, respectively. As a result, the floor parallel rail 140 has the first convex portion 146 inserted between the first holding portion 180 and the first covering portion 170, and the second holding portion 184 and the second covering portion 174. When the second convex portion 154 is inserted between and, it becomes easy to insert smoothly. The inclination 180s and the inclination 184s have a shape in which the outside of the tip becomes thin.
In the parallel rail connecting member 104, the first holding portion 180 and the second holding portion 184 are provided with a lightening portion 186 and a lightening portion 190 on the side of the floor surface FS, respectively. As a result, the parallel rail connecting member 104 can easily suppress shrinkage and the like during molding in the first holding portion 180 and the second holding portion 184, and can easily reduce the weight.

In the parallel rail connecting member 104, the intermediate convex portion 150 includes two intermediate back grooves 152 extending in the length direction DL on the floor surface FS side, and the intermediate connecting portion 166 is provided in each of the two intermediate back grooves 152. It is preferable to provide two intermediate sandwiching portions 182 that are inserted and sandwich the intermediate convex portion 150 with the intermediate covering portion 172.
The intermediate connecting portion 166 is an intermediate convex portion between the intermediate covering portion 172 covering the intermediate convex portion 150 and the two intermediate holding portions 182 inserted into the two intermediate back grooves 152 on the back of the intermediate convex portion 150. Since 150 is sandwiched, it is easy to further improve the fixing strength to the floor surface FS.
Similar to the first convex portion 146 and the second convex portion 154, the intermediate convex portion 150 has an intermediate convex portion fixing hole 151 (not shown) in which the end portion of the DL in the length direction is fixed to the floor surface FS. May be provided. As a result, the floor parallel rail 140 is likely to further improve the fixing strength to the floor surface FS.
At this time, the intermediate convex portion fixing hole 151 is located at the center of the intermediate convex portion 150 in the width direction DW, and the two intermediate back grooves 152 are symmetrical on both sides of the width direction DW of the intermediate convex portion fixing hole 151. Located in. Since the intermediate back groove 152 is symmetrically located on both sides of the DW in the width direction with respect to the intermediate convex portion fixing hole 151 located at the center of the intermediate convex portion 150, it is easy to secure uniform strength. The two intermediate holding portions 182 are respectively positioned in the two intermediate back grooves 152.
In the parallel rail connecting member 104, it is preferable that the two intermediate sandwiching portions 182 are longer in the length direction DL than the intermediate covering portion 172, respectively. As a result, when positioning the parallel rail 140 for the floor and the parallel rail connecting member 104, the intermediate convex portion 150 inserts the two intermediate holding portions 182 into the two intermediate back grooves 152 located on the floor surface FS side. Since it is easy to perform and is inserted below the intermediate covering portion 172, positioning is easy and workability is easily improved.
In the parallel rail connecting member 104, it is preferable that the two intermediate sandwiching portions 182 have an inclination of 182s and an inclination of 182s inside the tip in a plan view, respectively. As a result, the parallel rail connecting member 104 is easily inserted smoothly when the intermediate convex portion 150 is inserted between the two intermediate sandwiching portions 182 and the intermediate covering portion 172.
In the parallel rail connecting member 104, it is preferable that the two intermediate sandwiching portions 182 are provided with a lightening portion 188 and a lightening portion 188 on the side of the floor surface FS, respectively. As a result, the parallel rail connecting member 104 can easily suppress shrinkage or the like during molding between the two intermediate holding portions 182, and can easily reduce the weight.

As described above, in the present embodiment, the floor parallel rail installation structure 104S (FIG. 23) will be described in addition to the single rail connecting member 104.
The floor parallel rail installation structure 104S according to the present embodiment has a first traveling groove portion 142 for traveling the first door roller WH1 in the length direction DL, and a length direction DL located parallel to the first traveling groove portion 142. The second traveling groove portion 144 for traveling the second door roller WH2, the convex first convex portion 146 holding one side of the first traveling groove portion 142 in the width direction DW intersecting the length direction DL, and the first A convex intermediate convex portion 150 that holds the other side of the running groove portion 142 and one side of the second running groove portion 144, and a convex second convex portion 154 that holds the other side of the second running groove portion 144. The first back groove 148 extending in the length direction DL on the floor surface FS side of the first convex portion 146 and the second back groove extending in the length direction DL on the floor surface FS side of the second convex portion 154. The groove 156, the first convex portion fixing hole 147 in which the end portion of the first convex portion 146 in the length direction DL is fixed to the floor surface FS, and the end portion of the second convex portion 154 in the length direction DL. A pair of floor parallel rails 140 each having a second convex portion fixing hole 155 fixed to the floor surface FS are connected to each other by a parallel rail connecting member 104 in the length direction DL. Here, the parallel rail connecting member 104 is the parallel rail connecting member 104 according to the present embodiment.
In the floor parallel rail 140, when the length is limited during transportation and the length is limited to a predetermined length, the end of the length DL of the first convex portion 146 is fixed to the floor surface FS. Since the shape portion fixing hole 147 and the second convex portion fixing hole 155 in which the end portion of the length direction DL of the second convex portion 154 is fixed to the floor surface FS, a pair of parallel rails for floor 140 Is positioned and fixed with respect to the floor surface FS.
Since the pair of floor parallel rails 140 are connected via the parallel rail connecting member 104 positioned and fixed to the floor parallel rail 140, the pair of floor parallel rails 140 are substantially extended. It becomes a state. Therefore, the floor parallel rail installation structure 104S can be easily installed because the effect of the length limitation during transportation of the floor parallel rail 140 can be easily avoided by the parallel rail connecting member 104.

FIG. 27 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member 104 shown in FIG. 25 with arrow symbols SF27-SF27 (cutting lines in the length direction passing through the pair of first sandwiching portions 180).
The first convex portion 146, which is outlined by an imaginary line (two-dot chain line), is fitted into the parallel rail connecting member 104 in a crimped state (sandwiched between the first covering portion 170 and the first sandwiching portion 180). Therefore, it overlaps with the solid line part, but it is described away from the solid line part for the sake of clarity.
FIG. 28 is an enlarged cross-sectional view showing an enlarged cross section of the parallel rail connecting member 104 shown in FIG. 25 at the arrow code SF28-SF28 (cutting line in the length direction passing through the center of the intermediate connecting portion 166).
The intermediate convex portion 150, which is outlined by an imaginary line (dashed-dotted line), is fitted into the parallel rail connecting member 104 in a crimped state (sandwiched between the intermediate covering portion 172 and the intermediate sandwiching portion 182), and thus is a solid line portion. Although it overlaps with, it is described away from the solid line part for the sake of clarity.
FIG. 29 shows the arrow symbols SF29-SF29 (first connecting portion 164, first groove-shaped positioning portion 160, intermediate connecting portion 166, second groove-shaped positioning portion 162, and second groove-shaped positioning portion 162) with respect to the parallel rail connecting member 104 shown in FIG. 25. 2 It is an enlarged cross-sectional view which shows the cross section in the (cutting line in the width direction which passes through the center of 2 connecting part 168) enlarged.
The first connecting portion 164, the intermediate connecting portion 166, and the second connecting portion 168 form a block-shaped base material with the first groove-shaped positioning portion 160 and the second groove-shaped positioning portion 162 sandwiched therein, so that they are stably fixed. Cheap.
FIG. 30 shows an arrow code SF30-SF30 for the parallel rail connecting member 104 shown in FIG. 25 (first covering portion 170 and first holding portion 180, intermediate covering portion 172 and intermediate holding portion 182, and second covering portion 174. It is an enlarged cross-sectional view which shows by enlarging the cross section in the cut line in the width direction which shows and the 2nd holding part 184.
The floor parallel rail 140 (first convex portion 146, first back groove 148, first running groove portion 142, intermediate convex portion 150, intermediate back groove 152, first convex portion 146, first back groove 148, first running groove portion 142, intermediate back groove 152, first 2 The traveling groove portion 144, the second convex portion 154, and the second back groove 156) are fitted into the parallel rail connecting member 104 in a crimped state, so that they overlap with the solid line portion, but are separated from the solid line portion for ease of understanding. be written.
As described above, the parallel rail connecting member 104 according to the present embodiment includes a first groove-shaped positioning portion 160 for traveling the first door roller WH1 and a second groove-shaped positioning portion 162 for traveling the second door roller WH2. Since the floor parallel rails 140 are fitted and fixed on both sides of the DL in the length direction, the floor parallel rails 140 can be accurately aligned with the floor parallel rails 140 to ensure the first door roller WH1 and the second door roller WH2. Realize driving. Therefore, the parallel rail connecting member 104 can easily realize the connection at the installation site of the floor parallel rail 140 transported in a short state due to the length limitation.

The single rail connecting member and the parallel rail connecting member according to the present invention are widely used because they can easily avoid the influence of the length limitation during transportation of the floor single rail and the floor parallel rail, respectively.
The floor single rail installation structure and the floor parallel rail installation structure according to the present invention are widely used because they can easily avoid the influence of the length limitation during transportation of the floor single rail and the floor parallel rail, respectively. Will be done.

1,101 Single rail connecting member 1S, 101S Single rail installation structure for floor 4,104 Parallel rail connecting member 4S, 104S Parallel rail installation structure for floor 10,110 Single rail for floor 12,112 Running groove 14,46, 114, 146 First convex part 15, 48, 115, 148 First back groove 16, 54, 116, 154 Second convex part 17, 56, 117, 156 Second back groove 20, 120 Groove-shaped positioning part 20f , 60f, 62f, 120f, 160f, 162f Facing surface 22,64 1st fixing part 23, 65 1st fixing hole 24, 68 2nd fixing part 25, 69 2nd fixing hole 26, 70, 126, 170 1st coating Parts 28, 74, 128, 174 Second covering parts 30, 80, 130, 180 First holding parts 30s, 32s, 80s, 82s, 84s, 130s, 132s, 180s, 182s, 184s Inclined 32, 84, 132, 184 2nd holding part 34, 36, 86, 88, 90, 134, 136, 186, 188, 190 Lightening part 40, 140 Parallel rail for floor 42, 142 First running groove part 44, 144 Second running groove part 50, 150 Intermediate convex part 52, 152 Intermediate back groove 60, 160 First groove-shaped positioning part 62, 162 Second groove-shaped positioning part 66 Intermediate fixing part 67 Intermediate fixing hole 72, 172 Intermediate covering part 82, 182 Intermediate holding part 118, 147 1st convex part fixing hole 119, 155 2nd convex part fixing hole 122, 164 1st connecting part 124, 168 2nd connecting part 151 Intermediate convex part fixing hole (not shown)
166 Intermediate connection part DL Length direction DW Width direction FS Floor surface WH Door car WH1 First door car WH2 Second door car

Claims (34)

A traveling groove portion for traveling the door roller in the length direction, a convex first convex portion holding one side of the traveling groove portion in the width direction intersecting the length direction, and the other of the traveling groove portion in the width direction. A single rail connecting member in which a pair of single rails for a floor having a convex second convex portion for holding a side are connected to each other in the length direction and installed on a floor surface.
A groove-shaped positioning portion in which the door roller is traveled in the length direction and the pair of traveling grooves are positioned in contact with each other.
A first fixing portion having a first fixing hole, which is located next to the groove-shaped positioning portion in the width direction and is connected to the pair of the first convex portions and is fixed to the floor surface.
A second fixing portion having a second fixing hole, which is located next to the groove-shaped positioning portion in the width direction and is connected to the pair of the second convex portions and is fixed to the floor surface.
A pair of first covering portions extending from the first fixing portion in both the length directions and covering the pair of the first convex portions, respectively.
Provided with a pair of second covering portions extending from the second fixing portion in both the length directions and covering the pair of the second convex portions, respectively.
A single rail connecting member characterized by. The single rail connecting member according to claim 1.
In the groove-shaped positioning portion, the facing surface facing the door roller is flush with the traveling groove portion.
A single rail connecting member characterized by. The single rail connecting member according to claim 1 or 2.
The first convex portion includes a first back groove extending in the length direction on the side of the floor surface.
The second convex portion includes a second back groove extending in the length direction on the side of the floor surface.
The first fixing portion includes a first holding portion that is inserted into the first back groove and sandwiches the first convex portion with the first covering portion.
The second fixing portion includes a second holding portion that is inserted into the second back groove and sandwiches the second convex portion with the second covering portion.
A single rail connecting member characterized by. The single rail connecting member according to claim 3.
The first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively.
A single rail connecting member characterized by. The single rail connecting member according to claim 3 or 4.
The first pinching portion and the second pinching portion each have an inclination on the outer side of the tip in a plan view.
A single rail connecting member characterized by. The single rail connecting member according to any one of claims 3 to 5.
The first holding portion and the second holding portion are provided with lightening portions on the side of the floor surface, respectively.
A single rail connecting member characterized by. The first traveling groove portion for traveling the first door vehicle in the length direction, the second traveling groove portion for traveling the second door vehicle in parallel with the first traveling groove portion, and the first traveling in the width direction intersecting the length direction. A convex first convex portion that holds one side of the groove portion, and a convex intermediate convex portion that holds the other side of the first running groove portion and one side of the second running groove portion in the width direction. A pair of parallel floor rails each having a convex second convex portion holding the other side of the second traveling groove portion in the width direction are connected to each other in the length direction and installed on the floor surface. It is a rail connecting member,
A first groove-shaped positioning portion in which the first door roller is run in the length direction and a pair of the first traveling groove portions are positioned in contact with each other.
A second groove-shaped positioning portion in which the second door roller is run in the length direction and the pair of the second traveling grooves are positioned in contact with each other.
A first fixing portion having a first fixing hole, which is located outside the first groove-shaped positioning portion in the width direction and is connected to the pair of the first convex portions and is fixed to the floor surface.
An intermediate fixing portion located between the first groove-shaped positioning portion and the second groove-shaped positioning portion in the width direction and connected to the pair of intermediate convex portions.
A second fixing portion having a second fixing hole, which is located outside the second groove-shaped positioning portion in the width direction and is connected to the pair of the second convex portions and is fixed to the floor surface.
A pair of first covering portions extending from the first fixing portion in both the length directions and covering the pair of the first convex portions, respectively.
A pair of intermediate covering portions extending from the intermediate fixing portion in both the length directions and covering the pair of the intermediate convex portions, respectively.
Provided with a pair of second covering portions extending from the second fixing portion in both the length directions and covering the pair of the second convex portions, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 7.
In the first groove-shaped positioning portion, the facing surface facing the first door roller is flush with the first traveling groove portion, and in the second groove-shaped positioning portion, the facing surface facing the second door roller is the second. Being flush with the running groove,
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 7 or 8.
The first convex portion includes a first back groove extending in the length direction on the side of the floor surface.
The second convex portion includes a second back groove extending in the length direction on the side of the floor surface.
The first fixing portion includes a first holding portion that is inserted into the first back groove and sandwiches the first convex portion with the first covering portion.
The second fixing portion includes a second holding portion that is inserted into the second back groove and sandwiches the second convex portion with the second covering portion.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 9.
The first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 9 or 10.
The first pinching portion and the second pinching portion each have an inclination on the outer side of the tip in a plan view.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 9 to 11.
The first holding portion and the second holding portion are provided with lightening portions on the side of the floor surface, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 7 to 12.
The intermediate convex portion includes two intermediate back grooves extending in the length direction on the side of the floor surface.
The intermediate fixing portion is inserted into each of the two intermediate back grooves to sandwich the intermediate convex portion between the intermediate covering portion and the intermediate covering portion, and the intermediate fixing portion fixed to the floor surface. To have a hole,
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 13.
The two intermediate sandwiching portions are each longer in the length direction than the intermediate covering portion.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 13 or 14.
The two intermediate sandwiching portions each have an inclination inside the tip in a plan view.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 13 to 15.
The two intermediate sandwiching portions are provided with lightening portions on the side of the floor surface, respectively.
A parallel rail connecting member characterized by. A traveling groove portion for traveling the door roller in the length direction, a convex first convex portion holding one side of the traveling groove portion in the width direction intersecting the length direction, and the other of the traveling groove portion in the width direction. A floor single rail installation structure in which a pair of floor single rails each having a convex second convex portion for holding a side are connected to each other by a single rail connecting member in the length direction.
The single rail connecting member is the single rail connecting member according to any one of claims 1 to 6.
A single rail installation structure for floors that features. A first traveling groove for traveling the first door roller in the length direction, a second traveling groove for traveling the second door roller in the length direction parallel to the first traveling groove, and an intersection with the length direction. A convex first convex portion that holds one side of the first running groove portion, and a convex intermediate convex portion that holds the other side of the first running groove portion and one side of the second running groove portion. For floors, a pair of parallel rails for floors, each of which comprises a shaped portion and a convex second convex portion holding the other side of the second traveling groove portion, are connected to each other by a parallel rail connecting member in the length direction. It is a parallel rail installation structure,
The parallel rail connecting member according to any one of claims 7 to 16.
A parallel rail installation structure for floors that features. A traveling groove portion for traveling the door roller in the length direction, a convex first convex portion holding one side of the traveling groove portion in the width direction intersecting the length direction, and the other of the traveling groove portion in the width direction. The convex second convex portion holding the side, the first back groove extending in the length direction on the side of the floor surface of the first convex portion, and the floor surface of the second convex portion. A second back groove extending in the length direction on the side, a first convex portion fixing hole in which the end portion of the first convex portion in the length direction is fixed to the floor surface, and the second convex portion. A second convex portion fixing hole in which the end portion of the shaped portion in the length direction is fixed to the floor surface,
A single rail connecting member for connecting a pair of single rails for a floor to each other in the length direction and installing them on the floor surface.
A groove-shaped positioning portion that is positioned in contact with the pair of traveling grooves in the length direction to allow the door roller to travel, and a groove-shaped positioning portion.
A first connecting portion located next to the groove-shaped positioning portion in the width direction and connected to the pair of the first convex portions, and a pair of the first connecting portions located next to the groove-shaped positioning portion in the width direction. The second connecting part that is connected to the two convex parts,
The first covering portion extends from the first connecting portion in both the length directions and is inserted into the pair of the first covering portions and the pair of the first back grooves, respectively, to cover the pair of the first convex portions. A pair of first sandwiching portions that sandwich the first convex portion between the covering portion and the covering portion,
The second covering portion extends from the second connecting portion in both the length directions and is inserted into the pair of the second covering portions and the pair of the second back grooves, respectively, to cover the pair of the second convex portions. A pair of second sandwiching portions for sandwiching the second convex portion with the covering portion, respectively.
A single rail connecting member characterized by. The single rail connecting member according to claim 19.
In the groove-shaped positioning portion, the facing surface facing the door roller is flush with the traveling groove portion.
A single rail connecting member characterized by. The single rail connecting member according to claim 19 or claim 20.
The first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively.
A single rail connecting member characterized by. The single rail connecting member according to any one of claims 19 to 21.
The first pinching portion and the second pinching portion each have an inclination on the outer side of the tip in a plan view.
A single rail connecting member characterized by. The single rail connecting member according to any one of claims 19 to 22.
The first holding portion and the second holding portion are provided with lightening portions on the side of the floor surface, respectively.
A single rail connecting member characterized by. The first traveling groove portion for traveling the first door vehicle in the length direction, the second traveling groove portion for traveling the second door vehicle in parallel with the first traveling groove portion, and the first traveling in the width direction intersecting the length direction. A convex first convex portion that holds one side of the groove portion, and a convex intermediate convex portion that holds the other side of the first running groove portion and one side of the second running groove portion in the width direction. A convex second convex portion that holds the other side of the second traveling groove portion in the width direction, and a first back groove extending in the length direction on the floor surface side of the first convex portion. A second back groove extending in the length direction on the side of the floor surface of the second convex portion and a first end portion of the first convex portion in the length direction are fixed to the floor surface. A pair of parallel floor rails having a convex portion fixing hole and a second convex portion fixing hole in which the end portion of the second convex portion in the length direction is fixed to the floor surface are provided with the length. A parallel rail connecting member that is connected to each other in the vertical direction and installed on the floor surface.
A first groove-shaped positioning portion that is positioned in contact with the pair of the first traveling grooves in the length direction and causes the first door roller to travel.
A second groove-shaped positioning portion that is positioned in contact with the pair of the second traveling grooves in the length direction to allow the second door roller to travel, and a second groove-shaped positioning portion.
A first connecting portion located outside the first groove-shaped positioning portion in the width direction and connected to the pair of the first convex portions.
An intermediate connecting portion located between the first groove-shaped positioning portion and the second groove-shaped positioning portion in the width direction and connected to the pair of the intermediate convex portions.
A second connecting portion located outside the second groove-shaped positioning portion in the width direction and connected to the pair of the second convex portions.
The first covering portion extends from the first connecting portion in both the length directions and is inserted into the pair of the first covering portions and the pair of the first back grooves, respectively, to cover the pair of the first convex portions. A pair of first sandwiching portions that sandwich the first convex portion between the covering portion and the covering portion,
A pair of intermediate covering portions extending from the intermediate connecting portion in both the length directions and covering the pair of the intermediate convex portions, respectively.
The second covering portion extends from the second connecting portion in both the length directions and is inserted into the pair of the second covering portions and the pair of the second back grooves, respectively, to cover the pair of the second convex portions. A pair of second sandwiching portions for sandwiching the second convex portion with the covering portion, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 24.
In the first groove-shaped positioning portion, the facing surface facing the first door roller is flush with the first traveling groove portion, and in the second groove-shaped positioning portion, the facing surface facing the second door roller is the second. Being flush with the running groove,
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 24 or 25.
The first holding portion and the second holding portion are longer in the length direction than the first covering portion and the second covering portion, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 24 to 26.
The first pinching portion and the second pinching portion each have an inclination on the outer side of the tip in a plan view.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 24 to 27.
The first holding portion and the second holding portion are provided with lightening portions on the side of the floor surface, respectively.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 24 to 28.
The intermediate convex portion includes two intermediate back grooves extending in the length direction on the side of the floor surface.
The intermediate connecting portion includes two intermediate sandwiching portions that are inserted into the two intermediate back grooves and sandwich the intermediate convex portion between the intermediate covering portion and the intermediate covering portion.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 29.
The two intermediate sandwiching portions are each longer in the length direction than the intermediate covering portion.
A parallel rail connecting member characterized by. The parallel rail connecting member according to claim 29 or 30.
The two intermediate sandwiching portions each have an inclination inside the tip in a plan view.
A parallel rail connecting member characterized by. The parallel rail connecting member according to any one of claims 29 to 31.
The two intermediate sandwiching portions are provided with lightening portions on the side of the floor surface, respectively.
A parallel rail connecting member characterized by. A traveling groove portion for traveling the door roller in the length direction, a convex first convex portion holding one side of the traveling groove portion in the width direction intersecting the length direction, and the other of the traveling groove portion in the width direction. The convex second convex portion holding the side, the first back groove extending in the length direction on the side of the floor surface of the first convex portion, and the floor surface of the second convex portion. A second back groove extending in the length direction on the side, a first convex portion fixing hole in which the end portion of the first convex portion in the length direction is fixed to the floor surface, and the second convex portion. A pair of floor single rails each having a second convex portion fixing hole in which the end portion of the shaped portion in the length direction is fixed to the floor surface are connected to each other by a single rail connecting member in the length direction. It is a single rail installation structure for floors,
The single rail connecting member according to any one of claims 19 to 23.
A single rail installation structure for floors that features. The first traveling groove portion for traveling the first door roller in the length direction, the second traveling groove portion for traveling the second door roller in the length direction, which is located parallel to the first traveling groove portion, intersect with the length direction. A convex first convex portion that holds one side of the first running groove portion, and a convex intermediate convex portion that holds the other side of the first running groove portion and one side of the second running groove portion. A shaped portion, a convex second convex portion holding the other side of the second traveling groove portion, and a first back groove extending in the length direction on the floor surface side of the first convex portion. A second back groove extending in the length direction on the side of the floor surface of the second convex portion and a first end portion of the first convex portion in the length direction are fixed to the floor surface. A pair of parallel floor rails having a convex portion fixing hole and a second convex portion fixing hole in which the end portion of the second convex portion in the length direction is fixed to the floor surface are provided with the length. A parallel rail installation structure for floors that is connected to each other by parallel rail connecting members in the vertical direction.
The parallel rail connecting member according to any one of claims 24 to 32.
A parallel rail installation structure for floors that features.

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