JPH10102887A - Structure for fastening rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent warpage in the cross direction of rails even when the rails having two strips of rail sections are installed to mounting base materials by fixtures at central sections in the cross direction of the rails, and to obviate appearance to the outside of the fixtures. SOLUTION: In the rail 2, two strips of rail sections 2a for bringing a travelling member mounted on a door to a freely travelling state are formed integrally. A recessed section 2b for installing the rails is formed between two strips of the rail sections 2a. The bottom piece section 2c of the recessed section 2b for installing the rails is fixed onto a mounting base material A such as a floor 1A, a ceiling 2A, etc., by a fixture B while the head section 1B of the fixture B is placed in the recessed section 2b for installing the rails. A cover body 3 is set up into the opening section of the recessed section 2b for installing the rails while the external surface of the cover body 3 is formed in the same surface as the external surface of the rail 2 without a stepped section.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for attaching a rail integrally formed with two rails for allowing a traveling tool provided on a door to travel to a mounting base such as a floor or a ceiling with a fixing tool. Technology.

[0002]

2. Description of the Related Art In attaching a rail 2 integrally formed with two rail portions 2a for allowing a traveling tool provided on a door to run freely to a mounting base A such as a floor or a ceiling with a fixing tool B. Was attached as shown in FIG. That is, a fixing tool B such as a screw is inserted from the outer surface of the intermediate portion of the two rails 2a to attach a mounting base material A such as a floor or a ceiling.
It was stuck to.

However, in the above-described conventional example, when the wide rail 2 is fixed at the center by forming the two rails 2a integrally, the outer surface of the intermediate part is fixed by a fastener. Since the rail 2 is pressed by the head 1B of the rail B, the rail 2 may be warped in the width direction in the direction of the arrow in FIG. 8, and between the outer surface of the floor or ceiling finishing material 80 and the outer surfaces of both ends of the rail 2 in the width direction. There is a problem that a gap is easily generated in
In the case where the lower rail is mounted on the floor, there is a problem that the widthwise end of the rail 2 is warped in the width direction as described above and rises above the finishing material 80 of the floor, thereby hindering walking. Further, there is a problem that the fixing tool B is exposed to the outside and the appearance is poor, and the fixing tool B is caught on the head 1B of the fixing tool B during walking.

Further, the rail 2 is divided into a long main body rail 8 in the longitudinal direction and a short end rail 9 which is separate from the main body rail 8, and after the long main body rail 8 has been constructed, the rail 2 is short. Before the end rail 9 is installed, the running tool provided on the door is inserted from the end of the main rail 8, and thereafter, the end rail is constructed by being connected to the end of the main rail 8. However, in such a case, as shown in FIG. 9, there is a problem that a butt line is conspicuous in the longitudinal direction between the main body rail 8 and the end rail 9, and the appearance is not good.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and a rail in which two rails are integrally formed is attached to a mounting base such as a floor or a ceiling. Even if it is fixed at the center in the width direction of the rail when mounting with the fixing device, it does not warp in the width direction of the rail, the head of the fixing device is not exposed to the outside, it has a good appearance and hinders walking. In addition, even if the rail is divided into a long main body rail in the longitudinal direction and a separate short end rail, a sense of unity between the main body rail and the end rail can be obtained. An object of the present invention is to provide a rail mounting structure.

[0006]

In order to solve the above-mentioned problems, the rail mounting structure of the present invention comprises two rails 2a for allowing the running tool 4 provided on the door 1 to run freely. In the formed rail 2, a rail mounting recess 2b is provided between two rail sections 2a, and the bottom piece 2c of the rail mounting recess 2b is attached to a mounting base material A such as a floor 1A or a ceiling 2A.
And the head 1B of the fixing tool B is positioned in the rail mounting recess 2b, the lid 3 is mounted on the opening of the rail mounting recess 2b, and the outer surface of the lid 3 is Characterized in that it is flush with the outer surface without any step. With such a configuration, even if the rail 2 in which the two rail portions 2a are integrally formed is fixed to the mounting base material A with the fixing tool B at the intermediate portion in the width direction,
By fixing the rail 2 at the bottom piece 2c of the rail mounting recess 2b, the rail 2 can be mounted without warping in the width direction. Further, since the head 1B of the fixing tool B is located in the rail mounting recess 2b and is hidden by the lid 3,
The head 1B is not exposed to the outside. And lid 3
By making the outer surface of the surface of the rail 2 flush with the outer surface of the rail 2,
Even if the rail 2 is a lower rail attached to the floor 1A,
The lid 3 does not interfere with walking.

The rail 2 is divided into a long main body rail 8 in the longitudinal direction and a short end rail 2 separate from the main body rail 8, and the rail mounting recess 2 of the long main body rail 8 is formed.
b is fixed to a mounting base material A such as a floor 1A or a ceiling 2A with a fixing tool B, and the head 1B of the fixing tool B is positioned in the rail mounting recess 2b.
The bottom piece 2c of the rail mounting recess 2b of the end rail 9 is fixed to a mounting base material A such as a floor 1A or a ceiling 2A with a fixing tool B, and is continuously arranged at the end of the main body rail 8. The head 1B of the fixing tool B is positioned in the rail mounting recess 2b, and a common cover is formed over the opening of the rail mounting recess 2b of the main body rail 8 and the opening of the rail mounting recess 2b of the end rail 9. 3 is preferably attached. With such a configuration, after the long main body rail 8 is constructed and before the short end rail 9 is constructed, the traveling tool 4 provided on the door 1 is inserted from the end of the main body rail 8. Then, the running tool 4 can be inserted into the rail 2 by constructing the end rail 9 so as to be continuous with the end of the main body rail 8. Although the rail 2 is divided into the main body rail 8 and the end rail 9 so that the rail 4 can be easily inserted,
Lid 3 continuous from main body rail 8 to end rail 9
Thereby, continuity in appearance in the longitudinal direction of the rail 2 can be obtained.

The outer surface of the lid 3 attached to the outer surface between the openings of the two rails 2a and the opening of the rail mounting recess 2b formed in the middle of the outer surface between the openings is attached to the rail 2. It is also preferable to form a gentle mountain shape in a direction perpendicular to the longitudinal direction. With such a configuration, when the rail 2 is the lower rail, one side of the opening of the rail 2 is higher than the other side, and the horizontal wheel of the traveling tool 4 is rotatably mounted on this part. In this case, the lid 3 can be arranged without a step.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings. The rail 2 is integrally formed with two rail portions 2a for allowing the running tool 4 provided on the door 1 to run freely. The rail 2 has a rail mounting recess 2b integrally formed between two rails 2a. The rail 2 having the above configuration is fixed to a mounting base material A such as a floor 1A or a ceiling 2A by a fixing tool B. here,
In fixing the rail 2 integrally formed with the two rails 2a to the mounting base material A, the bottom piece 2c of the rail mounting recess 2b at the center in the width direction of the rail 2 is attached to the floor 1A or the ceiling 2A. It is to be fixed to the mounting base material A with the fixing tool B. By fixing the bottom piece 2c to the mounting base material A in this manner, the bottom piece 2c is directly supported by the mounting base material A even when the bottom piece 2c is strongly pressed by the fixing tool B, so that the bottom piece 2c is fixed. It does not deform, and as a result,
The rail 2 can be mounted so as not to be deformed in the width direction as in the related art.

The head 1B of the fastener B is housed in the rail mounting recess 2b. When the fixing by the fixing tool B is completed, the lid 3 is mounted on the opening of the rail mounting recess 2b. The lid 3 is provided with a locking portion 3a, and the locking portion 3a is locked to a locked portion 3b provided at the edge of the opening of the rail mounting concave portion 2b. Is attached. Here, the cover 3 is arranged so that the outer surface of the cover 3 is flush with the outer surface of the rail 2 without any step.
Is attached.

Incidentally, the rail 2 integrally formed with the two rails 2a is divided into a long main rail 8 in the longitudinal direction and a short end rail 2 separate from the main body rail 8. The reason why the rail 8 is divided into the long main body rail 8 in the longitudinal direction and the separate short end rail 2 in the longitudinal direction is as follows. That is, when the traveling tool 4 of the door 1 is inserted into the rail portion 2a, the long main body rail 8 and the short end rail 2 are divided as described above, so that the long main body rail 8 is firstly separated. The rail mounting recess 2 is fixed to the mounting base material A by the fixing tool B in the same manner as described above.
Then, the traveling tool 4 of the door 1 is inserted from the end of the main body rail 8 to attach the door 1 to the main body rail 8.
And then attach the end rail 9 to the main body rail 8
The end rail 9 is fixed to the mounting base material A at the bottom piece 2c of the rail mounting recess 2b by the fixing tool B in the same manner as described above. That is.

In the present invention, the main body rail 8
The common lid 3 is mounted over the opening of the rail mounting recess 2b and the opening of the rail mounting recess 2b of the end rail 9. By mounting the common lid 3 over the opening of the rail mounting recess 2b of the main body rail 8 and the opening of the rail mounting recess 2b of the end rail 9, the running tool 4 can be easily inserted into the rail 2. Although the rail 2 is divided into the main body rail 8 and the end rail 9 so that the rail 2 can be formed, as shown in FIG. The continuity in appearance in the direction is obtained.

In the embodiment shown in FIG. 3 and subsequent figures, an example of a swing sliding door is shown as a door 1 which can run freely with respect to a rail 2 and can swing freely at an end. That is, a traveling tool 4 is provided above and below one end of the door 1 so as to be able to travel on the upper and lower rails 2 respectively. As will be described in detail later, the traveling tool 4 includes an upper traveling tool 4b and a lower traveling tool 4a.

An upper traveling tool 4b is provided above and below one end of the door 1.
A description will be given of a configuration in which the lower traveling tool 4a and the lower traveling tool 4a are provided so as to be freely movable on the upper and lower rails 2. As shown in FIG. 4, a cylindrical vertical frame 11 having an open top and bottom is provided at one end of the door 1. A guide frame 12 is provided inside a lower portion of the vertical frame 11. The guide frame 12 has one side piece fixed to the door with a screw, and the lower side piece 13 of the guide frame 12 is fixed to the door at the end lower surface by a screw. An inclined projecting piece 14 protrudes from the guide frame 12, and an adjusting screw 15 is attached to the projecting piece 14.
Is screwed. A jig such as a screwdriver is inserted through a window 16 provided on one side of the vertical frame 11 and the adjusting screw 15 is rotated to adjust the level of the lower end of the adjusting screw 15. .

An upper support 17 is attached to the upper portion of the vertical frame 11, and an insertion hole 18 is formed in the upper support 17. A lower shaft 20 is rotatably inserted through the guide block 19 so as not to move in the vertical direction.
A lower traveling tool 4a is provided below 0. The lower traveling tool 4a includes the lower shaft 20 and a horizontal wheel 10 that is rotatable with respect to the lower shaft 20 but does not move in the vertical direction. 20
And a pinion 5 fixed to the base.

A lower end of a connecting member 22 formed of a pipe is fixed to a portion of the lower shaft 20 projecting upward from the guide block 19. Here, the guide block 19 can be slid up and down with respect to the guide frame 12, but is fitted in the guide frame 12 so as not to rotate.
The pinion 5 portion of the lower traveling tool 4a is fitted into the lower rail 2, and the horizontal wheel 10 is rotatably mounted on the upper surface of the lower rail 2. Here, the side to which the lid 3 is attached, on both sides of each opening of the two rail portions 2 a of the lower rail 2, is higher than the other opening edge and forms a running surface 21. The running surface 21 is an arc-shaped surface such that the opening side is downward, and the outer surface of the lid 3 is also an arc-shaped surface. The outer surface of the arc-shaped lid 3 has a mountain shape that smoothly continues in the width direction of the rail 2. In addition, the lower end of the adjusting screw 15 is in contact with the contact portion 19a of the upper surface of the guide block 19, and with this configuration, the load on the door is supported by the guide block 19 via the adjusting screw 15. The horizontal wheel 10 is supported by the lower rail 2.

An upper shaft 23 is fitted in a through hole 18 provided in the upper support 17 so as to be vertically movable and rotatable. The lower end of the upper shaft 23 is connected to the upper end of the connecting member 22 formed of a pipe so that the lower end of the upper shaft 23 can slide vertically but cannot rotate. Therefore, the connecting member 22 and the upper shaft 23 rotate integrally.

An upper traveling tool 4b is provided above the upper shaft 23. Here, the upper traveling tool 4b includes an upper shaft 23 and an upper shaft 23.
The upper horizontal roller 26 is not rotatable but rotatable, and the pinion 5 is fixed to the upper end of the upper shaft 23 above the upper horizontal roller 26. The upper horizontal roller 26 is formed of a synthetic resin having lubricity such as polyacetal, and is formed by providing a concave peripheral groove 27 on the outer periphery. The upper peripheral portion of the concave circumferential groove 27 is rotatably mounted on the upper surface of the opening edge piece. The pinion 5 fixed to the upper end of the upper shaft 23 is located in the upper rail 2.

At the ends of the upper and lower rails 2 (that is, the end rails 9), a rack 7 is provided as shown in the figure. The rack 7 is fixed along one side piece inside the upper and lower rails 2. When the traveling tool 4 reaches the end of the rack 7, the pinion 5 of the traveling tool 4 meshes with the rack 7, and in this state, when the door 1 is further moved along the rack 7, the upper and lower pinions 5 are moved. By moving and rotating while meshing with the upper and lower racks 7, respectively, the lower shaft 20 and the upper shaft 23 connected by the connecting member 22 rotate in synchronization (that is, the upper and lower pinions 5 rotate in synchronization). ) As described above, when the upper and lower pinions 5 rotate in synchronization with each other, when the door rotates (i.e., swings) while using the door as the center of rotation of the traveling tool 4 as described later, the rotation operation is performed without tilting the door. You can do it.

At the other end of the door 1, there is provided an auxiliary traveling tool 6 which is fitted to the upper and lower rails 2 so as to be freely movable and which can be vertically moved and can be pulled out from the upper and lower rails 2. As will be described in detail later, the auxiliary traveling device 6 includes an upper auxiliary traveling device 6b and a lower auxiliary traveling device 6a. Hereinafter, a configuration in which an upper auxiliary traveling tool 6b and a lower auxiliary traveling tool 6a are provided above and below the other end of the door 1 and are fitted to the upper and lower rails 2 so as to be freely movable will be described.

At the other end of the door, as shown in FIG. 5, a vertical frame 30 having a cylindrical shape with an open top and bottom is provided. This vertical frame 3
A guide frame 31 is provided in the lower part of the inside of the box. A guide member 32 is fitted into the guide frame 31 so as to be vertically movable, and a lower shaft body 33 is inserted through the guide member 32 and attached.
At a position slightly above the lower end of the lower shaft 33, a horizontal roller 34 is rotatably attached to the lower shaft 33, although it cannot move up and down with respect to the lower shaft 33. The lower end of the lower shaft body 33 serves as a lower guide 35. The lower guide 35 and the horizontal rollers 3
4 and the lower shaft body 33 constitute a lower auxiliary traveling tool 6a.
A lower end of a lower connecting shaft 36 is connected to an upper portion of the lower shaft 33.

The upper support piece 3 is provided on the upper part of the door in the guide frame 31.
7 is fixed to the door, and an upper shaft 39 is vertically movably inserted into an insertion hole 38 provided in the upper support piece 37. An upper guide is provided at the upper end of the upper shaft 38. The upper auxiliary traveling tool 6b is provided. The upper end of an upper connecting shaft 41 is attached to the lower end of the upper shaft 38. Frame 30
A central guide tube 42 is disposed substantially at the center of the inside and is fixed to the door. A hole 44 communicating with a hole 43 provided in the frame body 30 is provided in one side piece of the central guide cylinder 42,
A hole 45 is provided in the other side piece of the central guide cylinder 42 opposite to the side piece provided with the hole 44, and a groove 46 communicating with the hole 45 is provided in the door. At a substantially central portion of the center guide cylinder 42, a lateral moving body 47 is disposed so as to be movable in the lateral direction. Here, two horizontal shafts 61 are provided substantially at the center of the center guide cylinder 42, and a horizontally long hole 48 provided in the horizontal moving body 47 is provided.
The two horizontal shafts 61 are inserted into the two horizontal shafts 4.
The horizontal moving body 47 is freely movable in the horizontal direction at the horizontally long hole 48 portion using the guide 3 as a guide. The knob 4 is provided on the lateral moving body 47.
9, the knob 49 is provided in the center guide cylinder 42,
The frame 30 can be moved out of the frame 30 through the holes 44 and 43 provided in the frame 30. The horizontal moving body 47 has a lower vertically long hole 47.
a and an upper vertically long hole 47b are provided.

A lower moving block 50 and an upper moving block 51 are provided inside the upper and lower portions of the central guide tube 42 so as to be vertically movable. The lower end of the lower connecting shaft 36 is connected to the lower part of the lower moving block 50. The lower end of the upper connecting shaft 41 is connected to the upper part of the upper moving block 51. The lower moving block 50 and the upper moving block 51 are provided with shafts 50a and 51a, respectively.

One end of two first links 52 is rotatably supported on one of the two horizontal shafts 61 and one of the two first links 52 is rotatably supported. The other end of the first link 52 is rotatably supported on a shaft 53 fitted in the lower vertically long hole 47a so as to be vertically movable.
3, one end of one second link 54 is rotatably supported on the shaft, and further, is rotatably supported on the shaft 50a of the lower moving block 50 of the one second link 54. .

The other end of the other first link 52 of the two first links 52 is rotatably supported on a shaft 55 which is fitted in the upper vertically long hole 47b so as to be vertically movable.
Further, one end of the other second link 54 is rotatably supported on the shaft 56, and the other end of the other second link 54 is turned around the shaft 51 a of the upper moving block 51. It is pivotally supported.

In the state shown by the solid line in FIG. 5, the lower moving block 50 and the upper moving block 51 are moving in a direction approaching each other. 6b is pulled down. In this state, the force on the lower auxiliary traveling tool 6a side causes the lower second link 54 to move the lateral moving body 47 in the direction of arrow a. When
When the load on the upper auxiliary traveling tool 6b side is moved by the upper second link 54 to move the lateral moving body 47 in the direction of arrow B in FIG. 5, the forces in the directions A and B are substantially balanced. The horizontal moving body 47 holds the state shown by the solid line in FIG.

In this state, when the knob 49 is pushed to move the horizontal moving body 47 in the direction of the arrow A in FIG. 5, the lower moving block 50 and the upper moving block 51 move in the direction away from each other, and the upper and lower first links 52 are moved. The state where the upper and lower second links 54 are vertically aligned in a straight line as shown by a broken line in FIG. 5, and the upper end of the upper first link 52 and the lower end of the upper second link 52 By contacting the side piece of the central guide cylinder 42, the upper auxiliary traveling tool 6b is kept in a protruding state.

The upper and lower first links 52 and the upper and lower second links 52
The state in which the link 54 and the link 54 are aligned in the vertical direction is a state in which the lower auxiliary traveling tool 6a and the upper auxiliary traveling tool 6b have the longest protruding lengths of the door from above and below. Here, in the state of the solid line in FIG. 5, the lower guide 35 of the lower auxiliary traveling tool 6b comes off upward from the lower rail 2, and the upper guide 40 of the upper auxiliary traveling tool 6b comes down downward from the upper rail 2. In the state shown by the broken line, the lower guide 35 of the lower auxiliary traveling tool 6b fits into the lower rail 2, and the upper guide 40 of the upper auxiliary traveling tool 6b fits into the upper rail 2. When the lower guide 35 of the lower auxiliary traveling tool 6a is fitted into the lower rail 2 as shown by the broken line, the horizontal rollers 34 are mounted rotatably on the lower rail 2 and the load of the lower auxiliary traveling tool 6a is reduced. Is supported by the lower rail 2, so that the load on the lower auxiliary traveling tool 6 a side does not act on the lateral moving body 47 in the direction of the arrow B in the state of the broken line in FIG. The state shown by the broken line in FIG. By pulling the knob 49 in the state shown by the broken line in FIG. 5, the state shown by the solid line in FIG. 5 can be obtained.

Thus, the traveling tool 4 having the door 1 provided above and below one end thereof is mounted on the upper and lower rails 2 so as to be freely movable, and the auxiliary traveling tool 6 is projected from above and below the other end of the door. The upper and lower auxiliary traveling tools 6 are fitted into the upper and lower rails 2 so that they can travel freely. In this state, the door 1 is slidably mounted along the upper and lower rails 2. in this case,
Pinions 5 provided on the upper and lower running tools 4 of the door 1 located at one end are engaged with a rack 7 located at one end of the upper and lower rails 2.

When the door 1 is opened by rotating (swinging), first, the knob 49 of the horizontal moving body 47 of the first door 1a is operated in FIG. The first door 1a is removed from the upper and lower rails 2 and, in this state, the first door 1a is rotated about the upper and lower running tools 4 as a center of rotation as shown in FIG. It is. Next, the second door 1b is moved to the rack 7 side, and the upper and lower pinions 5 of the second door 1b are moved to an arbitrary position on the rack 7 while being engaged with the upper and lower racks 7, and at this position. Then, the auxiliary traveling tool 6 of the second door 1b is detached from the upper and lower rails 2, and the second door 1b is rotated about the upper and lower traveling tools 4 as the center of rotation. Similarly, the third door 1c also moves to the rack 7 side, and moves to an arbitrary position on the rack 7 with the upper and lower pinions 5 of the third door 1c engaged with the upper and lower racks 7, and at this position. Then, the auxiliary traveling tool 6 of the third door 1c is detached from the upper and lower rails 2, and the third door 1c is rotated about the upper and lower traveling tools 4 as the center of rotation.

In this way, the doors 1 are sequentially rotated and opened. In this case, when the traveling tool 6 is detached from the upper and lower rails 2 and the door 1 is rotated, the upper and lower pinions which rotate in synchronization with each other. Since the door 1 is rotated in a state in which the door 5 is engaged with the upper and lower racks 7, the door 1 can be accurately rotated in a state where the door 1 is prevented from tilting. In the present invention, the upper and lower rails 2 are arranged in two rows, and the plurality of doors in the first row are rotated and opened at the rack 7 as described above.
Similarly, the doors in the second row are pivotally opened at the rack 7 as described above. FIG. 7 shows a state in which a plurality of doors in the first row and a plurality of doors in the second row are rotated at the rack 7 and fully opened.

When two upper and lower rails 2 are arranged side by side as described above, for example, by arranging doors on the upper and lower rails 2 arranged side by side as shown in FIG. Can be done. It is also conceivable that a rack 7 is provided along the entire length of the upper and lower rails 2 and the upper and lower pinions 5 are engaged with each other. In this case, even when the door is not rotated, the rack 7 and the pinion 5 can be engaged with each other. When moving along the upper and lower rails 2, there is a problem that it is difficult to move smoothly. However, in the present invention, the rack 7 is provided only at the end of the upper and lower rails 2 for rotating the door, and the rack 7 is not provided at other portions. In the place where the vehicle travels along 2, the rack can smoothly travel without engagement between the rack 7 and the pinion 5.

When adjusting the height of the door in the vertical direction, a jig such as a screwdriver is inserted through the window 16 of the vertical frame 11 provided at one end of the door, and the adjusting screw 15 is rotated. The vertical height of the door with respect to the vertical rail 2 is adjusted by moving the guide block 19 up and down.

[0034]

According to the invention of claim 1 of the present invention, as described above, in the rail integrally formed with two rails for allowing the traveling tool provided on the door to run freely, A rail mounting recess is provided between the two rails, and a bottom piece of the rail mounting recess is fixed to a mounting base such as a floor or a ceiling with a fixing tool, and the head of the fixing tool is positioned in the rail mounting recess. The lid is attached to the opening of the rail mounting recess and the outer surface of the lid is flush with the outer surface of the rail without any level difference. Even if the rail is fixed to the mounting base material by a fixing tool, the rail can be mounted so as not to warp in the width direction by being fixed at the bottom piece of the rail mounting recess. In addition, since the head of the fastener is located in the rail mounting recess and is hidden by the lid, the head is not exposed to the outside, and as a result, the appearance is good,
Also, the head of the fixing device is not caught during walking, and the outer surface of the lid is flush with the outer surface of the rail without any step, so that the lower rail can be mounted on the floor. In addition, the lid does not interfere with walking.

According to a second aspect of the present invention, in the first aspect of the present invention, the rail comprises a long main body rail in the longitudinal direction, and a short end separate from the main body rail. And a bottom piece of the rail mounting recess of the long main body rail is fixed to a mounting base such as a floor or a ceiling with a fixing tool, and the head of the fixing tool is positioned in the rail mounting recess. A short end rail is continuously arranged at the end of the main body rail, and the bottom piece of the rail mounting recess of the end rail is fixed to a mounting base such as a floor or a ceiling with a fixing tool, and the head of the fixing tool is fixed. Is located in the rail mounting recess, and a common lid is mounted over the opening of the rail mounting recess of the main body rail and the opening of the rail mounting recess of the end rail. After installation and short end rail Before running, the running tool provided on the door is inserted from the end of the main body rail, and then the running tool can be put in the rail by constructing the end rail continuously to the end of the main rail. The rail is divided into the main rail and the end rail so that the running tool can be easily inserted into the rail, but it is continuous from the main rail to the end rail. The continuity in appearance in the longitudinal direction of the rail can be obtained by the cover, and the appearance can be improved, thereby enhancing the commercial value.

According to the third aspect of the present invention, in addition to the effects of the first or third aspect of the present invention, two effects are provided.
The outer surface between the openings of the rail portions of the strip and the outer surface of the lid attached to the opening of the rail attachment concave portion formed in the middle of the outer surface between the openings have a gentle mountain shape in a direction perpendicular to the longitudinal direction of the rail. In the case where the rail is a lower rail, one side of the rail opening is higher than the other side, and the horizontal wheel of the traveling tool can be rotatably mounted on this part. Also, in this case, the lid can be arranged without a step.

[Brief description of the drawings]

FIG. 1 is a sectional view showing mounting of a rail according to the present invention.

FIG. 2 is a partially omitted plan view of the rail.

FIG. 3 shows an embodiment using a swing door as a door,
(A) is a partially notched schematic plan view of a fully closed state, (b)
Fig. 2 is a partially cutaway schematic front view of the same.

FIG. 4 is a cross-sectional view showing a state in which the door is turned while the pinion is engaged with the rack.

FIG. 5 is an explanatory view showing a state where the auxiliary traveling tool is pulled out from upper and lower rails.

FIG. 6 shows a state in which the first door is rotated and opened,
(A) is a partially omitted plan view, and (b) is a partially omitted front view.

FIG. 7 is a plan view showing a state where the door is fully opened by rotating the door.

FIG. 8 is a cross-sectional view showing mounting of a conventional rail.

FIG. 9 is a plan view of a portion where a main body rail and an end rail according to a conventional example abut against each other.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Rail 2a Rail part 2b Rail mounting recessed part 2c Bottom piece 3 Lid 4 Running tool 8 Main rail 9 End rail A Mounting base material 1A Floor 2A Ceiling B Fixing tool 1B Head

Claims (3)

[Claims] 1. A rail integrally formed with two rails for allowing a traveling tool provided on a door to travel freely.
A rail mounting recess is provided between the rail portions of the rail, and a bottom piece of the rail mounting recess is fixed to a mounting base material such as a floor or a ceiling with a fixing tool, and a head of the fixing tool is positioned in the rail mounting recess. A lid mounting structure, wherein a lid is attached to an opening of the rail mounting recess and the outer surface of the lid is flush with the outer surface of the rail without any step. 2. The rail is divided into a long main body rail in the longitudinal direction and a short end rail separate from the main body rail.
The bottom piece of the rail mounting recess of the long main body rail is fixed to a mounting base such as a floor or a ceiling with a fixing tool, and the head of the fixing tool is located in the rail mounting recess, and the short end rail is mounted. The bottom piece of the rail mounting recess of the end rail is continuously fixed to the end of the main body rail and fixed to a mounting base such as a floor or a ceiling with a fixing tool, and the head of the fixing tool is fixed to the rail mounting recess. 2. The rail mounting according to claim 1, wherein a common lid is mounted over the opening of the rail mounting recess of the main body rail and the opening of the rail mounting recess of the end rail. Construction. 3. An outer surface between the openings of the two rail portions and an outer surface of the lid attached to the opening of the rail attachment recess formed in the middle of the outer surface between the openings are perpendicular to the longitudinal direction of the rail. 3. The rail mounting structure according to claim 1, wherein the rail mounting structure is formed in a gentle mountain shape in a direction in which the rail is formed.