JP3759140B2 - Slide rail device - Google Patents

Description

  The present invention relates to a slide rail device for an upper sliding door that hangs a sliding door movably in an opening and closing direction using a metal slide rail body.

  Recently, a slide rail device for an upper sliding door uses a thin slide rail body having a structure in which an inner rail is slidably engaged with an outer rail via a number of balls held by a retainer.

  This type of slide rail device uses a slide rail body that matches the total opening width dimension of the door frame (width dimension of the sliding door opening) measured in advance for the length of the outer rail. At this time, the inner rail side is fixed to the upper end surface of the sliding door, the slide rail body is attached to the sliding door, and the outer rail 1 is fixed to the horizontal frame member 2a on the ceiling side of the door frame 2, as shown in FIG. The sliding door 3 is assembled to the door frame 2 so as to be movable in the opening and closing direction via the inner rail.

  However, in general, since the outer rail 1 is made of metal at the assembly site of the sliding door 3, the length cannot be easily adjusted by appropriately cutting the outer rail 1 at the assembly site. When measuring, there is a circumstance that the dimension is made shorter with a slight margin. Therefore, in the conventional slide rail device for an upper sliding door, the outer rail 1 of the slide rail body produced according to the total opening width dimension of the door frame 2 measured at the time of assembling the sliding door is used as the horizontal frame material 2a on the ceiling side. When attached, there will be a gap d as shown between the end of the outer rail 1 and the vertical frame member 2b of the door frame 2. As a result, there is a problem in that the appearance of the sliding door 3 is poor, and the appearance around the sliding door is not good.

  Therefore, the object of the present invention is to suspend the sliding door by always attaching the slide rail body without a gap between the door frame, regardless of the measurement error of the total opening width of the door frame in the slide rail device described above. The purpose is to enhance the appearance of the surroundings.

In order to achieve the above-described object, the invention according to claim 1 is configured such that, for example, as shown in the embodiment shown below, the flat mounting plate portion 10a is brought into close contact with the ceiling side frame member 25 of the door frame W. A metal slide rail body r slidably engaged with a plurality of balls 15 held by a retainer 12 on an inner rail 11 attached to the sliding door D with respect to the outer rail 10 to be fixed. In the slide rail device R that suspends the sliding door D movably in the opening and closing direction via the body r, a piece main body 20a having a shape that matches the inner peripheral shape of the end portion of the outer rail 10 so as to be fitted to both ends. An adjustment piece 20 that is formed by penetrating the screw hole 22 in the thickness direction and having a flange 20b on one side periphery of the piece body 20a, and the adjustment piece 20 The adjusting piece 20 is inserted into a plugging position where the flange portion 20b hits the end surface of the outer rail 10, and is fitted into the both ends of the outer rail 10 so as to be freely inserted and removed. 21 is screwed into the screw hole 22 and fastened to the mounting plate portion 10a of the outer rail 10 to form the slide rail body r in the shortest length state, while the ceiling side horizontal frame of the door frame W is formed. When the slide rail body r is attached to the material 25 and the length of the outer rail 10 is shorter than the total opening width of the door frame W measured in advance, the set screw 21 is loosened and the outer rail 10 Is released from the fastening state with respect to the mounting plate portion 10a, and is pulled out to an adjustment position where the entire length of the slide rail body r matches the entire opening width dimension of the door frame W. The rail 20 is configured as a rail length adjusting means for adjusting the slide rail body r long, and the flange 20b is adjusted to the measuring error range in consideration of the measuring error range of the total opening width dimension of the door frame W. When the slide rail body r is attached to the ceiling-side horizontal frame member 25 of the door frame W, the entire opening width of the door frame W is measured in advance when the length of the outer rail 10 is measured. If longer than the dimension, the set screw 21 is loosened to release the fastening state of the outer rail 10 to the mounting plate portion 10a, and the outer rail 10 is in accordance with the measuring error of the full opening width dimension of the door frame W. One or both of them are selectively removed from both ends of the slide rail body r, and the length of the slide rail body r is configured as rail length adjusting means for fine adjustment in two steps .

According to invention of Claim 1, when attaching a slide rail body to the ceiling side of a door frame, since the length of an outer rail is shorter than the full opening width dimension of the door frame measured beforehand, a slide rail body If there is a gap between the end of the door and the door frame, the adjustment piece is pulled out from the end of the outer rail to the adjustment position where the overall length matches the full opening width of the door frame, and the slide rail body is adjusted to the full opening width. The adjustment piece is fixed by the fixing means at the adjustment position, and the sliding rail body is always attached without a gap between the door frame regardless of the measurement error of the full opening width of the door frame. As a result, the aesthetic appearance around the sliding door can be improved and the appearance can be improved. In addition, when hanging the sliding door, even if the outer rail of the slide rail body used is longer than the total opening width of the door frame, the adjustment piece is pulled out from the outer rail and removed. Further, the total length of the slide rail body can be finely adjusted by the thickness of the collar portion of the adjustment piece to make it exactly match the full opening width dimension of the door frame.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1-3, the sliding door structure which assembles the slide rail apparatus R of this invention on a sliding door is shown. The slide rail device R includes a slide rail body r and a mounting assembly a that attaches the slide rail body r to the sliding door D. The slide rail body r is configured to include an outer rail 10, an inner rail 11, and a retainer 12.

  The outer rail 10 is formed by pressing a band-shaped metal plate with a press, curving both side edges of the flat mounting plate portion 10a inward to face each other, forming a ball guide portion 10b there, and fixing to the mounting plate portion 10a. Through holes 13 for the screws are provided. The inner rail 11 is formed by a press using a belt-shaped metal plate having a length size obtained by subtracting a predetermined opening / closing stroke distance from the length of the outer rail 10, and the inner rail 11 is bent in a substantially U-shaped cross section at the center. Both side edges are curved outwardly away from each other, and a ball guide portion 11b is formed there. The retainer 12 is bent using a long metal plate, and a plurality of support pieces 14a... Bent in a U shape are connected to the parallel retainer main body portions 14 and 14, and each support piece 14a is connected to each of the support piece portions 14a. Each of the holding holes is formed, and a small metal ball 15 is fitted into each of the holding holes so as to be freely rollable.

  Then, the retainer 12 is fitted to the outer rail 10 by engaging the held ball 15 with the left and right ball guide portions 10 b, and then the inner rail 11 is engaged with the left and right ball guide portions 11 b with the ball 15. Then, it is fitted into the retainer 12 and is fitted to the outer rail 10 through the retainer 12 so as to be relatively slidable, thereby assembling one slide rail body r. When the inner rail 11 is slid, the slide rail body r rolls between the rails 10 and 11 and is pushed by the balls 15 so that the retainer 12 has a predetermined opening / closing stroke with respect to the outer rail 10. At the same time, the inner rail 11 is set to move relative to the outer rail 10 by a predetermined opening / closing stroke.

  In addition, the slide rail device R of the present invention includes an adjustment piece 20 of a rail length adjusting means in which the slide rail body r is detachably inserted into the end of the outer rail 10 as shown in FIGS. A set screw 21 which is a fixing means of the piece 20 is provided.

  The adjustment piece 20 is integrally formed of, for example, a resin material, and a flange portion 20b is formed on one side periphery of the piece body 20a. The piece body 20a is formed in a frame shape that can be fitted to the rail end portion in accordance with the inner peripheral shape of the end portion of the outer rail 10, and is formed by penetrating the screw hole 22 in the thickness direction. The flange portion 20b is formed so as to protrude in a hook shape along the peripheral edge of the piece body 20a in accordance with the end surface 10c of the outer rail 10. In addition, the collar portion 20b is formed with a thickness of about 1 to 2 mm in consideration of a general measurement error range of the full opening width dimension of the door frame in accordance with the measurement error range.

  In the adjustment piece 20 having such a shape, the piece main body 20a is inserted into both ends of the outer rail 10 as shown in FIG. It is screwed into the screw hole 22 and fastened to the mounting plate portion 10 a of the outer rail 10. Then, it is configured to function as a cap that closes the opening at both ends of the slide rail body r. And in the state which inserted the adjustment piece 20 in the both ends of the outer rail 10 to the closing position in this way, the slide rail body r becomes the shortest length. On the other hand, the adjustment piece 20 can be pulled out from the end of the outer rail 10 to the protruding position shown by the chain line in FIG. 6 when the set screw 21 is loosened to release the tightened state. It is configured to function as a length adjusting means for extending r.

  When the sliding door D is suspended from the door frame W by using the slide rail device R having the above-described configuration, the slide rail body r is laid sideways as shown in FIGS. The 11 catching plate portions 11a are fixed to the upper flange surface 24 of the sliding door D using the mounting assembly a. Thereafter, the mounting plate portion 10a of the outer rail 10 is fixed to the ceiling side horizontal frame member 25 of the door frame W, and the slide rail body r is attached. Thus, the sliding door D is assembled to the door frame W through the slide rail device R so as to be slidable in the opening / closing direction of the opening S.

  By the way, when the slide rail body r is attached to the horizontal frame member 25 of the door frame W when the sliding door D is assembled, the length of the outer rail 10 is shorter than the full opening width dimension of the door frame W measured in advance. Therefore, a gap may be generated between the end of the slide rail body r and the vertical frame member 26 of the door frame W. In that case, in the slide rail device R, the set screw 21 is loosened to release the tightening of the adjustment piece 20 with respect to the outer rail 10, and the adjustment piece 20 is moved from the end of the outer rail 10 so that the flange 20 b extends vertically from the door frame W. The slide rail body r is adjusted to the full opening width dimension of the door frame W by pulling it out to an adjustment position that abuts against the frame member 26 without a gap. Then, the adjustment piece 20 is fastened again to the outer rail 10 by screwing a set screw 21 at the adjustment position.

  On the other hand, the outer rail 10 of the slide rail body r to be used may be longer than the total opening width dimension of the door frame W measured in advance even when the adjustment piece 20 is inserted into the plugging positions at both ends and in the shortest length state. is there. When assembling the sliding door D, if the slide rail body r is longer than the total opening width of the door frame W, the slide rail device R pulls out the adjustment piece 20 from the outer rail 10 after loosening the set screw 21. Remove. Thereby, the total length of the slide rail body r is adjusted to be shorter by the thickness of the flange portion 20b of the removed adjustment piece 20, and is accurately adjusted to the entire opening width dimension of the door frame W. At the time of this length adjustment, either one or both of the adjustment pieces 20 at both ends of the outer rail 10 are selectively removed according to the measurement error of the total opening width dimension of the door frame W, and the length of the slide rail body r is reduced. Fine adjustment can be made in two stages.

It is a perspective view which shows a part of sliding door structure provided with the slide rail apparatus by this invention. It is a disassembled perspective view of a sliding door structure. It is an end view of a sliding door structure. It is a disassembled perspective view which shows the edge part side structure of the slide rail body with which the slide rail apparatus was equipped. It is a disassembled perspective view which sees and shows the edge part side structure of a slide rail body from the opposite side of FIG. It is a top view explaining the attachment state of the adjustment piece of a slide rail body. It is a perspective view which shows a part of sliding door structure provided with the conventional slide rail apparatus.

Explanation of symbols

D Sliding door R Slide rail device W Door frame r Slide rail body 10 Outer rail 11 Inner rail 12 Retainer 15 Ball 20 Adjustment piece 21 Set screw (fixing means)

Claims (1)

Metal that slidably engages the inner rail that is mounted on the sliding door against the outer rail that fixes the flat mounting plate to the ceiling side frame material of the door frame via a number of balls held by the retainer. In a slide rail device comprising a manufactured slide rail body and suspending a sliding door movably in the opening and closing direction via the slide rail body,
Formed by penetrating a screw hole in the thickness direction of the piece main body, which is shaped to fit the inner peripheral shape of the end portion so that it can be fitted to both ends of the outer rail, and providing a flange on one side periphery of the piece main body An adjustment piece and a set screw for fixing means of the adjustment piece ,
The adjustment piece is
The hook part is inserted to the closing position where it hits the end surface of the outer rail, and is fitted to the both ends of the outer rail so that it can be freely inserted and removed. The door which is attached and forms the slide rail body in the shortest length state, while the length of the outer rail is measured in advance when the slide rail body is attached to the ceiling side frame member of the door frame. If it is shorter than the full opening width dimension of the frame, the set screw is loosened to release the fastening state of the outer rail to the mounting plate portion, and the total length of the slide rail body matches the full opening width dimension of the door frame. As a rail length adjusting means for adjusting the length of the slide rail body by pulling it out to an adjustment position,
In consideration of the measurement error range of the total opening width dimension of the door frame, the flange is formed in a thickness dimension that matches the measurement error range, and the slide rail body is formed on the ceiling side frame material of the door frame. When the length of the outer rail is longer than the total opening width dimension of the door frame measured in advance, the set screw is loosened to release the fastening state of the outer rail to the mounting plate portion, Rail length adjustment that finely adjusts the total length of the slide rail body in two steps by selectively removing either or both from the both ends of the outer rail according to the measurement error of the total opening width dimension of the door frame A slide rail device configured as a means .

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