Rail for sliding door and opening / closing device

Abstract

To provide a rail for a sliding door which is installed on a floor and can reduce the occurrence of tripping.SOLUTION: A rail for a sliding door installed on a floor, including a lower rail member 11 having one or more traveling surfaces 111 - 1, 2 for traveling a door wheel of the sliding door, traveling side rising surfaces 112 - 11 to 22 rising on both sides of the traveling surfaces 111 - 1, 2, a first inclined surface 113 - 1 which is inclined from the upper side of the traveling side rising surface 112 - 11 which is the most indoor side among the traveling side rising surfaces 112-11 to 22 toward the floor surface of the indoor side, and a second inclined surface 113 - 2 which is inclined from the upper side of the traveling side rising surface 112 - 22 which is the most outdoor side among the traveling side rising surfaces 112 - 11 to 22 toward the floor surface of the outdoor side.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a rail for a sliding door that is installed on a floor and an opening and closing device using the same. [Background technology]

[0002] One method for creating indoor space is to use partitions. Sliding doors with rollers at the bottom are used as entrances to rooms that use such partitions, and in this type of sliding door, a rail for the sliding door on which the rollers run is installed on the floor. Patent Document 1 discloses a technique relating to a partition panel using such a sliding door. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2014-173403 A Summary of the Invention [Problem to be solved by the invention]

[0004] Partitions are used in consideration of changes in layout (space creation), and are therefore basically constructed to be removable. Therefore, sliding door rails are often not embedded in the floor beforehand, but are instead installed on the floor surface. In this case, the sliding door rails become protruding objects on the floor (for example, the lower horizontal frame 7 in Figure 2(a) of Patent Document 1), which can cause tripping and other problems.

[0005] In view of the above, an object of the present invention is to provide a rail for a sliding door that is installed on a floor and that can reduce the occurrence of tripping. [Means for solving the problem]

[0006] (Configuration 1) A rail for sliding doors, which is installed on a floor and includes a lower rail member having one or more running surfaces along which the wheels of a sliding door run, running side rising surfaces rising on both sides of the running surfaces, a first inclined surface that slopes from an upper side of the running side rising surface that is the innermost side of the running side rising surfaces toward the floor surface on the indoor side, and a second inclined surface that slopes from an upper side of the running side rising surface that is the outermost side of the running side rising surfaces toward the floor surface on the outdoor side.

[0007] (Configuration 2) The sliding door rail described in configuration 1 comprises a lower rail base material that is installed between the lower rail member and a floor surface, the lower rail base material having a first support portion arranged below the connection point between the running side rising surface and the first inclined surface, and a second support portion arranged below the connection point between the running side rising surface and the second inclined surface.

[0008] (Configuration 3) 3. The sliding door rail according to configuration 2, wherein the lower rail member is formed of a stainless steel material, and the lower rail base material is formed of a steel material.

[0009] (Configuration 4) An opening and closing device comprising a sliding door rail according to any one of configurations 1 to 3, an upper frame, a vertical frame, and an opening and closing body which is a sliding door.

[0010] (Configuration 5) The opening and closing device according to configuration 4, wherein the projection of the lower rail member is configured to be equal to or smaller than the projection of the vertical frame. Effect of the Invention

[0011] According to the sliding door rail and the opening and closing device using the same of the present invention, it is possible to reduce the occurrence of tripping. [Brief description of the drawings]

[0012] [Figure 1] A cross-sectional view showing a sliding door rail according to the first embodiment of the present invention. [Diagram 2] 1 is a cross-sectional view showing a lower rail member and a lower rail base material of a sliding door rail of embodiment 1. [Diagram 3] FIG. 11 is a vertical cross-sectional view showing an opening and closing device according to a second embodiment of the present invention. [Figure 4] FIG. 11 is a horizontal cross-sectional view showing an opening and closing device according to a second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Note that the following embodiment is one form for embodying the present invention, and is not intended to limit the scope of the present invention.

[0014] <Embodiment 1> FIG. 1 is a cross-sectional view (a cross-sectional view perpendicular to the longitudinal direction of the rail) showing a sliding door rail 1 of the first embodiment according to the present invention. The sliding door rail 1 of this embodiment includes a lower rail member 11 and a lower rail base material 12. The sliding door rail 1 of this embodiment is a sliding door rail used when there are two sliding doors.

[0015] Fig. 2(a) is a diagram showing a cross section of the lower rail member 11. The lower rail member 11 is a rail along which a sliding door having a wheel at the bottom runs, and is a member that is long in the direction along the movement direction that opens and closes the sliding door (hereinafter referred to as the "width direction"). Fig. 2(a) is a cross section of a section perpendicular to the width direction, which is its longitudinal direction. Note that hereinafter, the left side in Figs. 1 and 2 will be referred to as the "inside" side, and the right side will be referred to as the "outside" side. This is for the sake of convenience of explanation, and the difference between which side is the inside and which is the outside does not result in a difference in the concept of the invention. The bottom rail member 11 of this embodiment is formed into the shape shown in FIG. 2(a) by pressing or bending a stainless steel plate. The lower rail member 11 is Running surfaces 111-1 and 111-2 for running the sliding door wheels; Running side rising surfaces 112-11 and 112-12 rising on both sides of the running surface 111-1; Running side rising surfaces 112-21 and 112-22 rising on both sides of the running surface 111-2; A first inclined surface 113-1 inclined from an upper vertex T1 of the running side rising surface 112-11, which is the innermost side of the running side rising surface, toward the floor surface on the indoor side; A second inclined surface 113-2 inclined from the upper apex T2 of the running side rising surface 112-22, which is the outermost side of the running side rising surface, toward the floor surface on the outer side of the room; an intermediate connection portion 114 that connects the running side rising surface 112-12 and the running side rising surface 112-21; It has. Each running side rising surface rises on both sides of the running surfaces 111-1, 111-2 to prevent the sliding door rollers running on the running surfaces 111-1, 111-2 from running off. Because it is necessary to form the running side rising surfaces to prevent the rollers from running off, the sliding door rail is necessarily a member having a certain height from the floor surface.

[0016] 2(b) is a diagram showing a cross section of lower rail base material 12. Lower rail base material 12 is an installation member that is installed on floor surface FL (between lower rail member 11 and floor surface FL) for installing lower rail member 11, and also serves as a reinforcing member that reinforces lower rail member 11. Lower rail base material 12 of this embodiment is a member having a widthwise length equivalent to that of lower rail member 11, and FIG. 2(b) is a cross-sectional view in a cross section perpendicular to the widthwise direction, which is its longitudinal direction. The bottom rail base material 12 of this embodiment is formed into the shape shown in FIG. 2(b) by pressing or bending a steel plate. The lower rail base material 12 is A first support portion 121-1 is disposed on the lower side of the connection portion (i.e., the upper apex T1) between the running side rising surface 112-11 (the running side rising surface closest to the interior side) of the lower rail member 11 and the first inclined surface 113-1, and supports the same; A second support portion 121-2 is disposed on the lower side of the connection portion (i.e., the upper apex T2) between the running side rising surface 112-22 (the running side rising surface that is the outermost side of the room) of the lower rail member 11 and the second inclined surface 113-2, and supports the same; A floor installation surface 122-1 on the indoor side is located on the lower side of the running surface 111-1 of the lower rail member 11 and the running side rising surfaces 112-11 and 112-12 on both sides thereof; A floor installation surface 122-2 on the outdoor side is located on the lower side of the running surface 111-2 of the lower rail member 11 and the running side rising surfaces 112-21 and 112-22 on both sides thereof; a rail member fastening and holding portion 123 configured to face and contact the intermediate connection portion 114 of the lower rail member 11; A screw-fastened back plate 124 (a plate-shaped member having the same width length as the lower rail base material 12) is arranged on the back side of the rail member fastening holding portion 123, It has.

[0017] 1, the sliding door rail 1 of this embodiment is constructed by installing the lower rail base material 12 on the floor surface FL with screws S2 (driven in at multiple locations in the width direction), and attaching the lower rail member 11 to the lower rail base material 12 installed on the floor surface FL with screws S1 (driven in at multiple locations in the width direction). The screws S1 are fastened between the intermediate connection portion 114 of the lower rail member 11 and the rail member fastening retainer portion 123 and the screw fastening back plate 124 of the lower rail base material 12, so that the screws S1 are not fastened to the floor surface. In this way, by configuring a sliding door rail using two members, lower rail member 11 and lower rail base member 12, the sliding door rollers can run smoothly and the rail can be securely fixed to the floor surface. To allow the door rollers to move smoothly (and to prevent the screw heads from being crushed, etc.), it is not preferable to screw the running surfaces 111-1 and 111-2 of the lower rail member 11. On the other hand, if the intermediate connection part 114 of the lower rail member 11 is screwed directly to the floor surface FL, the lower rail member 11 may bend as the screws are tightened, and there is also a risk that the screws may not be tightened sufficiently. In response to this, by using the above-mentioned two-member configuration and the above-mentioned connection relationship using screws S1 and S2, the door roller can travel smoothly and the rail can be securely fixed to the floor surface.

[0018] According to the sliding door rail 1 of this embodiment having the above configuration, the first inclined surface 113-1 on the indoor side and the second inclined surface 113-2 on the outdoor side are formed in a tapered shape for both access (passage of people) from the indoor side and the outdoor side, so it is possible to reduce the occurrence of tripping compared to a structure in which a vertical step is formed. Also, it is possible to make it easier (smoother) for objects with wheels such as wheelchairs and carts to pass through.

[0019] In addition, according to the sliding door rail 1 of this embodiment, deformation of the lower rail member 11 is reduced, and in addition, when installing the lower rail member 11 relative to the lower rail base material 12, positioning between the members becomes easier (positioning is performed automatically). The "U" shaped portions formed by the first inclined surface 113-1 and the running side rising surface 112-11 (or the second inclined surface 113-2 and the running side rising surface 112-22) are areas that are expected to be stepped on when people pass by, and as a result may become deformed, etc.; however, since they are supported and reinforced by the support part 121-1 (or support part 121-2) of the lower rail member 11, deformation of the lower rail member 11 is reduced. Furthermore, since the support part 121-1 (or the support part 121-2) is located on the back side of the "U" shaped portion formed by the first inclined surface 113-1 and the running side rising surface 112-11 (or the second inclined surface 113-2 and the running side rising surface 112-22), as can be seen from Figure 1, even if the lower rail member 11 is placed somewhat roughly during installation, it is guided along the inclined surface on the back side of the "U", and the positioning between the members is automatically achieved, resulting in excellent workability.

[0020] <Embodiment 2> Next, as a second embodiment, an opening and closing device (sliding door device) 100 using the sliding door rail 1 of the first embodiment will be generally described. FIG. 3 is a cross-sectional view showing the opening and closing device 100 of this embodiment, taken along a cross section perpendicular to the width direction, and FIG. 4 is a horizontal cross-sectional view.

[0021] The opening and closing device 100 includes: The sliding door rail 1 described in the first embodiment, An upper frame 3 having an upper rail member 31; Two vertical frames 2 are installed on both sides of the width of the opening in which the opening / closing device is installed; Two opening and closing bodies (panel bodies) 4 which are double sliding doors having rollers 41 at the bottom, It is equipped with:

[0022] The opening / closing body 4 can be any sliding door having a wheel at the bottom, so a description thereof will be omitted here. Furthermore, as for the vertical frame 2 and upper frame 3, which are the frames for installing the opening / closing body 4 in the opening, any frame suitable for the opening and the opening / closing body can be used, description thereof will be omitted here.

[0023] The projection of lower rail member 11 (the dimension in the left-right direction in FIG. 3) is configured to be equal to or less than the projection of vertical frame 2 (the dimension between the dashed lines in FIG. 3). The more gentle the inclination angle of first inclined surface 113-1 and second inclined surface 113-2 (closer to horizontal), the greater the projection of lower rail member 11, and the steeper the inclination angle (closer to vertical), the less the projection of lower rail member 11. Therefore, it can be said that "the inclination angle of the first inclined surface and the inclination angle of the second inclined surface are determined so that the projection of the lower rail member is equal to or less than the projection of the vertical frame." By setting the projection of the lower rail member 11 to be equal to or less than the projection of the vertical frame 2, the lower rail member 11 does not protrude from the range indicated by the dashed line in Figure 3, i.e., the edge of the lower rail member 11 is not exposed, thereby preventing cuts to hands or feet by touching the edge of the lower rail member 11.

[0024] According to the opening and closing device 100 of this embodiment, the same effects as those of embodiment 1, such as reducing the occurrence of tripping, can be obtained, and the occurrence of accidents such as cutting hands or feet by touching the edge of the lower rail member 11 can be reduced.

[0025] In the embodiment, an example is given of two sliding doors (two running surfaces), but the present invention is not limited to this, and it is self-evident that the present invention can be applied to a door with one sliding door (one running surface) or three or more sliding doors (three running surfaces) based on the concept understood from the above explanation.

[0026] In the embodiment, the sliding door rail 1 is provided with a lower rail member 11 and a lower rail base material 12, which is more preferable because it provides improved strength, smoother running of the door rollers, and effective positioning of the members, as described above, but the present invention is not limited to this, and it may be provided without a lower rail base material (the sliding door rail is composed only of the lower rail member). Even if there is only the lower rail member, the effect of reducing tripping can be obtained, as described above.

[0027] In the embodiment, the lower rail base material 12 is a member having the same widthwise (longitudinal) length as the lower rail member 11, but the present invention is not limited to this, and the lower rail base material 12 may be provided on at least a portion of the widthwise direction of the lower rail member 11. For example, a plurality of lower rail base materials having a widthwise length of several centimeters or several tens of centimeters may be provided at intervals from each other (i.e., the lower rail base materials are provided intermittently in the widthwise direction). In addition, in the embodiment, the screw-fastened back plate 124 is an example of a member having a width dimension similar to that of the lower rail base material 12, but the present invention is not limited to this, and for example, the screw-fastened back plate may be provided only near the location where the screw S1 is fastened.

[0028] In the embodiment, the first inclined surface 113-1 is formed as an inclined surface inclined from the upper apex T1 of the running side rising surface 112-11, which is the innermost side of the room, toward the floor surface on the indoor side, but the present invention is not limited to this. The first inclined surface may be formed as an inclined surface inclined from the "upper side" of the running side rising surface, which is the innermost side of the room, toward the floor surface on the indoor side, for example, through a connection surface that extends approximately horizontally and is connected to the upper apex T1 of the running side rising surface 112-11, toward the floor surface on the indoor side. In other words, the present invention is not limited to a case in which the first inclined surface and the running side rising surface, which is the innermost side of the room, are directly connected, but includes a case in which they are indirectly connected through another configuration (the "upper side" in the present invention is a concept that includes the presence of other configurations such as a connection surface). This point is also a concept for the second inclined surface.

[0029] In the embodiment, the first inclined surface 113-1 is a planar inclined surface, but the present invention is not limited to this, and it is sufficient that the first inclined surface 113-1 is inclined from the upper side of the running side rising surface that is the innermost side of the room toward the floor surface on the indoor side (the "incline" is not limited to being planar). For example, the first inclined surface may be a curved surface (a curved surface such as a circular arc in a cross-sectional view similar to that of Figs. 1 and 2), a shape that changes from a curved surface to a flat surface (or from a flat surface to a curved surface), or a shape in which multiple inclined surfaces with different inclination angles are connected (a broken line shape in a cross-sectional view similar to that of Figs. 1 and 2). The "first inclined surface" and the "running side rising surface that is the innermost side of the room" may be formed as a continuous curved surface (a function indicating the curvature is continuous in a cross-sectional view similar to that of Figs. 1 and 2). These points are the same concept for the second inclined surface.

[0030] In the embodiment, the running side rising surface is an inclined surface, but the present invention is not limited to this, and the running side rising surface may be a vertical surface, etc. However, a configuration without a vertical surface, such as the lower rail member 11 of the present embodiment, is more preferable because it improves the running performance when small wheels are crossing. In addition, in the embodiment, the running surface is flat, but the present invention is not limited to this, and the running surface may be configured in any manner suitable for running the door rollers. For example, the running surface may be provided with a running rail for running the door rollers. [Explanation of symbols]

[0031] 1...Sliding door rail 11...Lower rail part 111-1, 111-2...Running surface 112-11, 112-12, 112-21, 112-22...Running side rise surface 113-1...1st slope 113-2...Second slope 12...Lower rail base material 121-1...First support 121-2...Second support 2...Vertical frame 3...Top frame 4...Opening and closing body 41...Roller

Claims

1. A rail installed on a floor, One or more running surfaces on which the sliding door rollers run; A running side rising surface rising on both sides of the running surface; A first inclined surface inclined from an upper side of the running side rising surface that is the innermost side of the running side rising surface toward the floor surface on the indoor side; A second inclined surface inclined from an upper side of the running side rising surface that is the outermost side of the running side rising surface toward the floor surface on the outer side of the room; A sliding door rail comprising a lower rail member having a

2. A lower rail base material installed between the lower rail member and a floor surface, A first support portion disposed below a connection portion between the running side rising surface and the first inclined surface; A second support portion disposed below a connection portion between the running side rising surface and the second inclined surface; 2. The sliding door rail of claim 1, comprising a lower rail base having a

3. 3. The sliding door rail according to claim 2, wherein the lower rail member is made of stainless steel and the lower rail base material is made of steel.

4. A sliding door rail according to any one of claims 1 to 3; The upper frame and A vertical frame and An opening and closing body which is a sliding door; An opening and closing device comprising:

5. The opening and closing device according to claim 4 , wherein the projection of the lower rail member is configured to be equal to or smaller than the projection of the vertical frame.

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