JP2000282740A - Rail of sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rail of a sliding door capable of loading and unloading a rail main body to a frame without using any clamp-screw in at least the inside of a door storage case and facilitating the replacement or maintenance of the rail main body in the rail of the sliding door along the upper end of the upper hanging type sliding door and capable of being suspended in the direction of the width in a movable manner between an opening position storing the sliding door in the door storage case placed in an adjoining position thereof and a closing position pulled out of the door storage case. SOLUTION: A rail A of a sliding door is constituted of a rail main body 1 inserting one end 1a into a door storage case 4 and extending the other end 1b out from the door storage case 4 to move a mobile bearing body 32 extended in the direction of the width of a sliding door 3 and provided to the upper end 3a of the sliding door 3 and leading the movement of the sliding door 3 and a frame 2 inserting one end 2a into the door storage case 4 and extending the other end 2b out from the door storage case 4 and fixed to a position extended along the rail main body 1 and holding the rail main body 1 in a detachable manner, a detachable slide interlock section X is formed in a position inserted at least into the door storage case 4 between the rail main body 1 and the frame 2, and the rail of the sliding door is so constituted that the rail main body 1 can be pulled out from the door storage case 4 by releasing the interlock of the interlock section X.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail of a sliding door for moving a sliding door of a top suspension type so as to be moved in and out of a hanging door pocket.

[0002]

2. Description of the Related Art Conventionally, rails used for suspending a top-hanging sliding door and moving the sliding door into and out of a door pocket provided at an adjacent position usually have one end inserted into the door pocket. A rail body that extends the other end from the door pocket, extends in the width direction of the sliding door, and moves the movable support disposed at the upper end of the sliding door in the width direction to guide the movement of the sliding door, and inserts one end into the door pocket and inserts the other. It consists of a separate frame that extends from the door pocket and is fixed at a position extending along the rail body and holds the rail body.The rail body and the frame are screwed to a large number of places inside and outside the door pocket. It is fixed by doing.

[0003]

However, in such a case, since a large number of screws are used, it takes time to attach and detach the rail body to and from the frame.
The cost increases. In particular, when the door pocket also serves as a partition wall, the maintenance and replacement of the rail main body cannot be performed unless the partition wall is disassembled and disassembled, which has a problem that it is practically difficult.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-described problems, and enables the rail main body to be attached to and detached from the frame without using screws at least in a door pocket. To make the sliding door rail easy.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS That is, the rail of the sliding door of the present invention is disposed above and along the upper end of the top-hanging sliding door, and the sliding door is housed in a door pocket disposed adjacent to the sliding door. And a closed position pulled out of the door pocket so as to be movable in the width direction, wherein one end is inserted into the door pocket, the other end is extended from the door pocket, and extends in the width direction of the sliding door, and the upper end of the sliding door is extended. A rail body that guides the movement of the sliding door by moving the movable support disposed in the width direction, and one end inserted into the door pocket and the other end extended from the door pocket and fixed at a position extending along the rail body. And a frame for detachably holding the rail body. A detachable slide engagement portion is formed at least between the rail body and the frame at a position where the rail body is inserted into the door pocket. Pull out the rail body from the door pocket by releasing Characterized in that it configured to obtain.

In such a case, since the rail body can be attached to the frame without using screws at least in the door pocket, the number of screws to be used is reduced, and the time and cost required for attaching and detaching the rail body are reduced. Can be reduced. Furthermore, a removable slide engagement portion is formed between the rail body and the frame in the door pocket,
Also, since the rail main body can be pulled out by releasing the engagement of the slide engaging portion, the rail main body can be easily attached to and detached from the frame simply by sliding the rail main body with respect to the frame. And maintenance can be made extremely easy.

In order to more reliably attach the rail main body to the frame and to easily attach and detach the rail main body without impairing the easiness of attaching and detaching the rail main body, at least the rail main body and the frame must be separated from the door pocket. It is desirable to form a fastening portion at a position where the sliding engagement portion prohibits disengagement of the slide engagement portion by screwing. Further, in order to form the slide engagement portion more simply, the slide engagement portion is provided on an engagement claw provided on one of the rail main body or the frame and on the other side which is slidably engaged with the engagement claw. It is desirable to be formed with an engaging hole.

In this case, as a specific example of the slide engagement portion for realizing a tight slide engagement state with a simple configuration, the engagement claw is hook-shaped, and the engagement hole is
An elongated hole having a wide portion into which the engaging claw can be loosely inserted, and a narrow portion continuous with the wide portion and capable of tightly engaging with the engaging claw; The engaging claw is formed in a stepped pin shape, and the engaging hole has a large-diameter portion into which the engaging claw can be loosely inserted, and a small-diameter portion continuous with the large-diameter portion and capable of closely engaging with the engaging claw. Dharma-hole-shaped one having the following.

[0009] As a specific configuration of these members suitable for enhancing the supporting strength of the rail body and the frame against the load of the suspended sliding door, a frame is formed by a bottom wall extending in the width direction of the sliding door and a bottom wall of the bottom wall. An upright wall that stands up along the rear end is provided, and the rail body extends in the width direction of the sliding door and is placed on the bottom wall of the frame, and stands up along the front end of the horizontal wall. A front wall, and a rear wall that stands along the rear end of the horizontal wall and abuts on the standing wall of the frame, and the slide engagement portion is disposed between the standing wall and the rear wall; The rail body may be mounted in a direction perpendicular to the surface of the frame via the slide engagement portion.

[0010] In such a configuration of the rail body and the frame, in order to allow the rail body to be more easily pulled out from the door pocket and to be inserted into the door pocket and attached to the frame, the front of the rail body is required. It is desirable that the height dimension of the wall and the rear wall is set smaller than the dimension in the front-rear direction of the gap formed between the front end of the bottom wall of the frame and the front wall of the door pocket. In addition, when the height dimension of the rear wall of the rail body is set to be equal to or greater than the longitudinal dimension of a gap formed between the front end of the bottom wall of the frame and the front wall of the door pocket, By rotating the main body and swallowing the bottom wall of the frame into the opening formed by the front wall, the horizontal wall and the rear wall of the rail main body, passing the rail main body from the rear wall through the gap, the rail main body Withdrawal work from the door pocket and attachment / detachment can be easily performed.

Further, by effectively utilizing the configuration of the rail body,
To make the sliding door move more smoothly,
It is effective that the moving support is a roller pivotally supported by a horizontal support shaft, and the roller is rolled along the upper end of the front wall of the rail main body. In that case, in order to impart sufficient strength to the rail body against the load of the sliding door acting in the direction to rotate forward with respect to the front wall of the rail body, the rail body is formed by extruding an aluminum extruded material. It is desirable to make it.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the rail A of the sliding door suspends an upper-hanging sliding door 3 capable of opening and closing an entrance E provided in a partition wall W, and a door pocket 4 provided with the sliding door 3 at an adjacent position. For opening and closing the doorway 4 between the opening position O indicated by an imaginary line in the same figure and the closing position C indicated by a solid line in the same figure. The vehicle comprises a rail body 1 and a frame 2 for detachably attaching and holding the rail body 1.

The partition wall W is, as shown in FIG.
A part thereof is opened substantially in a substantially rectangular shape, and columns 61 and 62 standing on both sides of the opening, and a horizontal member 63 supporting both ends 63a between its upper ends 61a and 62a are arranged. A side frame member 7 is provided inside each of the columns 61 and 62.
1 and 73, and a middle frame member 72 is provided at a substantially central position in the longitudinal direction of the horizontal member 63. The door frame E extends from the one side frame member 71 to the middle frame member 72, and the door frame 4 extends from the middle frame member 72 to the other side frame member 73.
The sliding door 3 is disposed so as to be movable by the rail A. Also, as shown in FIGS. 1 to 4, the side frame member 73 and the middle frame member 72 support a panel plate P whose surface has been finished similarly to the surface of the partition wall W to conceal the internal structure of the door pocket 4. are doing. Furthermore, the space between the upper end 3a of the sliding door 3 and the horizontal member 63 between the side frame member 71 and the middle frame member 72 is defined as a column space 5, and the height continuous to the column space 5 and the column space 5 in the door pocket 4 is set. The rail A according to the present embodiment is disposed at the position, and a blind plate 51 is attached to the front edge 5a of the space 5 and the panel P is extended to the rear edge 5b to conceal the inside of the space 5. are doing.

As shown in FIGS. 1, 2, 4, and 6, the sliding door 3 is a plate-like member having a substantially rectangular shape having a size substantially matching the shape of the entrance E below the space 5 between the columns. A mounting member 31 having a horizontal support shaft m is provided at two locations substantially at the center in the thickness direction of the upper end 3a, and the roller 32 serving as a moving support of the present invention rotatable about the horizontal support shaft m. The upper suspension type is mounted so that the center in the thickness direction of the sliding door 3 substantially coincides with the center in the thickness direction of the sliding door 3, and the roller 32 stably supports the entire load of the sliding door 3. The roller 32 has a groove 32a formed substantially all around the center in the thickness direction. Further, on both front and rear sides near the side end 3c of the sliding door 3 which comes into contact with and separates from the side frame member 71, grips 33 are protruded toward the thickness direction of the sliding door 3.

As shown in FIGS. 1 to 4, the door pocket 4 is located at the closed position C of the sliding door 3.
d, and is disposed at a position adjacent to d.
It comprises a middle frame member 72 and a panel plate P disposed between the side frame member 73 and the middle frame member 72. The middle frame member 72 is composed of two frame members that stand vertically apart from each other at the front and rear positions of the sliding door 3 wider than the thickness dimension of the sliding door 3, and the door pocket 4 stores the sliding door 3 at this position. An opening 41 is formed on the side of the entrance E so as to obtain. As shown in FIGS. 1 and 4, the width of the door pocket 4 is set so that the handle 33 is left in the entrance E when the sliding door 3 is pulled to the opening position O.

As shown in FIG. 1, the rail A of the present embodiment is constructed such that one end 1a is inserted into the door pocket 4 inside the space 5 and in the door pocket 4 at a continuous height. A rail body 1 extending from the door pocket 4 with the end 1b extending along the upper end 3a of the sliding door 3 and suspending and supporting the sliding door 3, one end 2a is inserted into the door pocket 4, and the other end 2b is inserted into the door pocket. And a frame 2 fixed at a position extending from the frame 4 and detachably holding the rail body 1.

The frame 2 is shown in FIGS.
As shown in FIG. 5, a bottom wall 21 extending between the side frame member 71 and the side frame member 73 on the side of the door pocket 4 and having a front-rear width dimension substantially half the longitudinal dimension of the door pocket 4 in the front-rear direction, 21 rear end 21a
Upright wall 22 that rises along the upper edge of the upright wall 22
a extending in the front-rear direction of the door pocket 4 and having a front-rear width dimension substantially equal to the inner dimension in the front-rear direction of the door pocket 4;
And a hanging wall 24 that is hung down along with the metal is formed by metal bending. Then, the upper wall 23 and the upright wall 22
Are fixed to the brackets 64 attached to the side frame members 71 and 73 by screwing. Further, at the opening 41 of the door pocket 4, the hanging wall 24 and the upright wall 22 are fixed to the front and rear middle frame members 72 by screws. In addition, insertion holes 25 are formed at several places inside and outside the door pocket 4 along the lower end 22b of the upright wall 22, and a backing material 26 that is attached to the upright wall 22 from the rear through the through holes 25.
The hook-shaped engaging claw 27 protruding from the hole is inserted. The engaging claw 27 has a hook-shaped tip 27a extending substantially horizontally from the door pocket 4 side toward the entrance E side.

On the other hand, the rail body 1 is shown in FIGS.
As shown in FIG. 6, the upper end 3a of the sliding door 3 from the inside of the door pocket 4 to the space 5 in order to move the sliding door 3 between the closed position C and the open position O, which is slightly shorter in the longitudinal direction than the frame 2. And a horizontal wall 11 having a front-rear width dimension which is placed almost completely in the front-rear width of the frame 2, and a front wall 12 standing upright along a front end 11 a of the horizontal wall 11. And a rear wall 13 rising along the rear end 11b of the horizontal wall 11 are formed by extruding an aluminum material and integrally forming the same. The front wall 12 has a large width and an upper end 12a in order to roll the roller 32 by engaging the upper end 12a thereof with a groove 32a formed on the outer periphery of the roller 32.
a is rounded. The height of the front wall 12 is lower than that of the rear wall 13, and the height of the rear wall 13 is adjusted to the front end 21 b of the bottom wall 21 of the frame 2 and the front panel plate P serving as the front wall of the door pocket 4. The gap S is set smaller than the gap S formed therebetween. The height dimensions of the front wall 12 and the rear wall 13 are set for the following reasons. That is, in order to make the center of the thickness direction of the sliding door 3 and the roller 32 substantially correspond to the center of the upper wall 23 of the frame 2 to stably maintain the sliding door 3, the front end 11 of the horizontal wall 11 of the rail body 1 is required.
a and the front end 21b of the bottom wall 21 of the frame 2
It is necessary to extend to a position substantially corresponding to the center of 3, so that the bottom wall 21 becomes an obstacle, and it becomes difficult to pull out the rail body 1 from the gap S in the posture as it is. Therefore, the height of the front wall 12 and the rear wall 13 is set smaller than the front and rear width of the gap S, so that the rail body 1
Is enlarged in FIG. 8 with the longitudinal direction as an axis, and approximately 9
By rotating the rail main body 1 by 0 °, the rail main body 1 can be passed through the gap S. The sliding door 3 can be attached and detached by passing the roller 32 lowered from the front wall 12 through the gap S.

When the horizontal wall 11 is placed on the bottom wall 21 of the frame 2 as shown in FIGS. 1 to 3 and FIGS. Rear wall 13
In addition, a long hole-shaped engagement hole 14 that forms a slide engagement portion X by engaging with the engagement claw 27 is formed. This engagement hole 14
Is a wide portion 14a of which the vertical and horizontal dimensions are increased so that the engaging claw 27 can be loosely inserted, and the engaging claw 27 which is continuous with the wide portion 14a and is tightly engaged with the engaging claw 27. And a narrow portion 14b having an upper and lower width dimension substantially equal to the thickness dimension. Then, as shown in FIG.
a, the rail body 1 is mounted on the frame 2 so that the engaging claw 27 is loosely inserted into the frame a, and the rail body 1 is slid as shown by an arrow in FIG. End 27
The rail body 1 is attached to the frame 2 by tightly engaging the slide body b with the slide engagement portion X. Further, screw insertion holes 15 are provided in the rail main body 1 at a plurality of mutually corresponding positions between the rail main body 1 and the frame 2 extending outside the door pocket 4 in the engagement state of the slide engagement portion X. Tap holes 28 are formed in the frame 2, and tap screws N are screwed into the screw insertion holes 15 and the tap holes 28, thereby forming a fastening portion Y for inhibiting the disengagement of the slide engagement portion X. are doing. Therefore, the tap screw N of the fastening portion Y is removed, and the rail body 1
Is disengaged from the slide engagement portion X, the rail body 1 can be removed from the frame 2 and can be pulled out of the door pocket 4 through the gap S. When the rail body 1 is attached to the frame 2, the above procedure may be reversed.

In addition to such a configuration, in this embodiment,
As shown in FIG. 2, a downward continuous opening 34 extending in the width direction is formed at a lower end 3 b of the sliding door 3, and a middle frame member 72 is formed.
Guide roller mounting portion 42 disposed near the lower end 72a
A guide roller 43 that pivots about a vertical axis n is protruded upward, and when the sliding door 3 moves, the guide roller 43 is housed in the continuous opening 34 of the sliding door 3 and abuts on the inner wall 34 a of the continuous opening 34. The pivoting of the sliding door 3 in the thickness direction is suppressed.

The rail A of the sliding door according to the present embodiment having the above-described structure is configured such that the upper hanging sliding door 3 is moved between the open position O and the closed position C with respect to the door pocket 4 by the roller 32 serving as a support member.
And a frame 2 for detachably holding the rail body 1. The rail body 1 and one end 1a of the frame 2
a is inserted into the door pocket 4 and the other ends 1b and 2b are extended from the door pocket 4, and a removable slide engagement portion X is formed at least between the two at the insertion position into the door pocket 4.
At least in the door pocket 4, the rail body 1 can be easily attached and detached only by sliding the rail body 1 with respect to the frame 2 without using screws. Therefore, the number of screws to be used can be reduced, and the time and cost required for attaching and detaching work can be effectively reduced as compared with the conventional one in which the rail main body 1 is entirely fixed to the frame 2 by screwing. Further, by disengaging the slide engagement portion X, the rail body 1 can be pulled out from the inside of the door pocket 4 without disassembling the door pocket 4, so that replacement and maintenance of the rail body 1 can be extremely easily performed. can do.

Further, since a fastening portion Y for inhibiting the disengagement of the slide engagement portion X is formed at least at a position where the rail body 1 and the frame 2 extend from the door pocket 4 by a screw, the rail body is formed. The rail main body 1 can be more securely fixed to the frame 2 without impairing the ease of attachment and detachment of the rail 1. Further, an engaging claw 27 is protruded from the frame 2, and an engaging hole 14 for slidingly engaging with the engaging claw 27 is provided on the rail main body 1. Since the joint portion X is formed, the slide engagement portion X
Can have a simple configuration. In particular, in the present embodiment, the engaging claw 27 has a hook shape, and
Is a long hole having a wide portion 14a into which the engaging claw 27 can be loosely inserted and a narrow portion 14b tightly engaged with the engaging claw 27, so that the engaging claw 27, the engaging hole 14, Can be securely and easily engaged, and the disengagement can be easily performed.

The frame 2 has a bottom wall 21 extending in the width direction of the sliding door 3 and an upright wall 22 standing up along a rear end 21a of the bottom wall 21.
A horizontal wall 11 extending in the width direction of the sliding door 3, and the horizontal wall 1
Front wall 12 standing along the front end 11a of the
And a rear wall 13 standing up along the rear end 11b of the rail body 1.
The rear wall 13 and the upright wall 22 are brought into contact with each other while being placed on the bottom wall 21, and the slide engagement portion X is connected to the upright wall 22 of the frame 2 on which the load of the suspended sliding door 3 acts. The rail body 1 and the frame 2 are provided between the upright wall 22 and the rear wall 13 in a direction perpendicular to the upright wall 22 and the rear wall 13 between the abutting rail body 1 and the rear wall 13.
Can effectively increase the supporting strength.

In such a configuration of the rail main body 1 and the frame 2, the height of the front wall 12 and the rear wall 13 of the rail main body 1 is adjusted by the front end 21 b of the bottom wall 21 of the frame 2 and the door pocket 4.
Is smaller than the front-rear dimension of the gap S formed between the rail body 1 and the front panel plate P.
Is rotated by 90 ° about the longitudinal direction, the rail body 1 can pass through the gap S, and the rail body 1 can be easily pulled out of the door pocket 4. Conversely, it is also easy to insert the rail body 1 into the door pocket 4 and attach it to the frame 2.

In this embodiment, the movable support is a roller 32 that rotates around a horizontal support shaft m.
Because the upper end 12a of the front wall 12 of the rail body 1 is rolled, the sliding door 3 can be moved more smoothly by effectively utilizing the configuration of the rail body 1 as described above. . Furthermore, since the rail main body 1 is formed by extruding aluminum, the strength of the rail main body 1 is increased, and the load of the sliding door 3 acting in the direction of turning forward with respect to the front wall 12 via the roller 32 is effectively reduced. Can be supported.

The method of pulling out the rail body from the door pocket is not limited to the above embodiment. For example, as shown in FIG. 9, when the height of the rear wall 113 of the rail main body 101 is set to be equal to or larger than the width of the gap S in the front-rear direction,
The engagement of the slide engagement portion X is released, and the rail main body 101 is rotated by about 180 ° as shown by the imaginary line in the figure, and the front wall 112, the horizontal wall 111, and the rear wall 11 of the rail main body 101 are rotated.
By allowing the bottom wall 21 of the frame 2 to be swallowed into the opening formed by the gap 3 and passing the gap S from the rear wall 113, the rail main body 101 is lowered from the frame 2 and easily out of the door pocket 4. Can be withdrawn.

Further, the configuration of the slide engagement portion is such that the engagement claw has a stepped pin shape, and the engagement hole is tightly engaged with the large-diameter portion into which the engagement claw can be loosely inserted and the engagement claw. The same effect as in the above-described embodiment can be obtained even in the case of a Dharma hole having a small diameter portion. In addition, the specific configuration of each unit is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

[0028]

The present invention is embodied in the form described above and has the following effects. That is, the rail of the sliding door of the present invention is disposed along the upper end of the top-hanging sliding door, and is capable of suspending the sliding door movably with respect to the door pocket between the open position and the closed position. A rail body that guides the movement of the sliding door by moving a movable support disposed at an upper end of the sliding door, and a frame that is fixed at a position extending along the rail body and detachably holds the rail body. Since one end of the rail body and the frame is inserted into the door pocket and the other end is extended from the door pocket, a removable slide engagement portion is formed at least between the two at the insertion position into the door pocket, At least in the door pocket, the rail can be easily attached and detached only by sliding the rail body with respect to the frame without using screws.
Therefore, the number of screws to be used can be reduced, and the time and cost required for attaching and detaching operations can be effectively reduced. Furthermore, since the rail main body can be pulled out of the door pocket by releasing the engagement of the slide engagement part, it is extremely easy to replace and maintain the rail main body without disassembling or disassembling the door pocket. It is possible.

Further, if a fastening portion for inhibiting the disengagement of the slide engaging portion is formed by screwing at least at a position where the rail main body and the frame protrude from the door pocket, it is possible to attach and detach the rail main body as described above. The rail main body can be more reliably attached to the frame and easily removed without impairing the easiness. Further, an engaging claw is provided on one of the rail main body or the frame, and an engaging hole for slidingly engaging the engaging claw is provided on the other, and the sliding engaging portion is constituted by the engaging claw and the engaging hole. In this case, the slide engagement portion can be simplified.

More specifically, the slide engaging portion includes a hook-shaped engaging claw, a wide portion on which the engaging claw can be loosely inserted, and a narrow portion on which the engaging claw can be slid and tightly engaged. Or a large-diameter portion into which the engaging claw can be loosely inserted and the engaging claw are slidably engaged with each other. And an engagement hole in the shape of a darma hole having a small diameter portion which can be engaged, the engagement claw and the engagement hole can be securely engaged and the engagement can be easily released. .

Further, the frame has a bottom wall extending in the width direction of the sliding door, and an upright wall standing upright along the rear end of the bottom wall, and the rail body is provided with a horizontal wall extending in the width direction of the sliding door. And a front wall standing upright along the front end of the horizontal wall, and a rear wall standing upright along the rear end of the horizontal wall, with the horizontal wall of the rail body mounted on the bottom wall of the frame. When the rear wall and the upright wall are brought into contact with each other at the same time, and a slide engagement portion is provided between the rear wall and the upright wall, when the load of the suspended sliding door is applied to the frame, Since the slide engagement portion is provided between the upright wall and the rear wall of the rail main body that is in contact with the upright wall in a direction perpendicular to the upright wall, the supporting strength of the sliding door against the load can be effectively increased.

In such a case, the horizontal wall of the rail main body and the bottom wall of the frame are connected to the frame so that the center of the frame in the front-rear direction and the center of the sliding door in the thickness direction are substantially matched to realize stable holding of the sliding door. It is necessary to have at least half of the front and rear width dimension of the front and rear width dimension. Therefore,
If the height dimension of the front wall and the rear wall of the rail main body is set smaller than the front-rear dimension of the gap formed between the front end of the bottom wall of the frame and the front wall of the door pocket, the door pocket will pass through this gap. The rail body can be easily pulled out, and conversely, it can be easily inserted into the door pocket and attached to the frame. In addition, when the height of the rear wall of the rail body is set to be larger than the front and rear width of the gap,
Rotate the rail body about 180 °, the front wall of the rail body,
If the bottom wall of the frame is swallowed by the opening formed by the horizontal wall and the rear wall, and the clearance passes through the rear wall first, the rail body can be easily lowered from the frame and pulled out of the door pocket. At the same time, sufficient strength is obtained in the rail main body, and design change of the position and shape of the engagement hole becomes easy.

If the movable support is a roller, and the roller is rolled on the upper end of the front wall of the rail body, the sliding door can be effectively used by effectively utilizing the configuration of the rail body as described above. Can be moved more smoothly. In this case, when the rail body is formed by extruding aluminum, it is possible to effectively support the load of the sliding door acting in the direction of turning forward with respect to the front wall.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing an outline of an embodiment of the present invention.

FIG. 2 is an essential part cross-sectional view along the line II-II in FIG. 1;

FIG. 3 is a cross-sectional view of a main part along the line III-III in FIG. 1;

FIG. 4 is an essential part cross-sectional view along the line IV-IV in FIG. 1;

FIG. 5 is an enlarged perspective view showing a main part of the embodiment.

FIG. 6 is a perspective view showing the main part further enlarged.

FIG. 7 is a front view showing the operation of the relevant part.

FIG. 8 is a sectional side view of the same.

FIG. 9 is an enlarged side sectional view showing a main part of another embodiment of the present invention.

[Explanation of symbols]

 A ... rail C ... closing position O ... opening position S ... gap X ... slide engaging part Y ... fastening part m ... horizontal support shaft 1, 101 ... rail main body 1a ... one end 1b ... other end 2 ... frame 2a ... one end 2b ... the other end 3 ... sliding door 3a ... upper end 4 ... door pocket 11, 111 ... horizontal wall 12, 112 ... front wall 13, 113 ... rear wall 14 ... engagement hole 14a ... wide part 14b ... narrow part 21 ... bottom wall 22 ... Standing wall 27 ... Engaging claw 33 ... Movable support (roller)

Claims (10)

[Claims] 1. A width between an open position where the sliding door is housed in a door pocket disposed adjacent to and along an upper end of a top hanging sliding door and a closed position where the sliding door is pulled out from the door pocket. A movable support extending in the width direction of the sliding door, one end of which is inserted into the door pocket and the other end extends from the door pocket, and is disposed at the upper end of the sliding door in the width direction. A rail body that moves to guide the movement of the sliding door, a frame that is inserted into the door pocket at one end, extends from the door pocket at the other end, is fixed at a position extending along the rail body, and detachably holds the rail body. A detachable slide engagement portion is formed at least at an insertion position between the rail body and the frame into the door pocket, and the rail body can be pulled out of the door pocket by releasing the engagement of the slide engagement portion. Pulling characterized by comprising Door rail. 2. A fastening portion for inhibiting disengagement of the slide engagement portion by screwing is formed at least at a position where the rail main body and the frame extend from the door pocket. Item 1. The sliding door rail according to item 1. 3. The slide engaging portion comprises an engaging claw provided on one of the rail main body or the frame and an engaging hole provided on the other side for sliding engagement with the engaging claw. The sliding door rail according to claim 1 or 2, wherein 4. The engaging claw has a hook shape, and the engaging hole has a wide portion into which the engaging claw can be loosely inserted, and is closely connected to the engaging claw following the wide portion. 4. The sliding door rail according to claim 3, wherein the rail is a long hole having a narrow portion that can be fitted. 5. The engaging claw is in the form of a stepped pin, wherein the engaging hole has a large diameter portion into which the engaging claw can be loosely inserted, and the engaging claw is closely connected to the engaging claw. 4. A rail for a sliding door according to claim 3, wherein the rail has a small diameter portion capable of engaging with the sliding door. 6. A frame comprising: a bottom wall extending in a width direction of a sliding door; and an upright wall standing upright along a rear end of the bottom wall, wherein the rail body extends in a width direction of the sliding door. It has a horizontal wall placed on the bottom wall of the frame, a front wall standing up along the front end of the horizontal wall, and a rear wall standing up along the rear end of the horizontal wall and adjoining the standing wall of the frame. 6. The sliding door rail according to claim 1, wherein the slide engaging portion is disposed between the upright wall and the rear wall. 7. A height dimension of a front wall and a rear wall of the rail main body is set to be smaller than a longitudinal dimension of a gap formed between a front end of a bottom wall of the frame and a front wall of a door pocket. The sliding door rail according to claim 6, characterized in that: 8. A height dimension of a rear wall of the rail body is set to be equal to or greater than a longitudinal dimension of a gap formed between a front end of a bottom wall of the frame and a front wall of a door pocket. By rotating, the rail body can be passed through the gap from the rear wall while swallowing the bottom wall of the frame into the opening formed by the front wall, the horizontal wall, and the rear wall of the rail body. The sliding door rail according to claim 6, wherein 9. The moving support member is a roller pivotally supported on a horizontal support shaft, and the roller is rolled along an upper end of a front wall of the rail main body. , 7
Or the sliding door rail described in 8. 10. The sliding door rail according to claim 9, wherein said rail main body is formed by extruding an aluminum extruded material.