JP2003278434A - Guide rail device for door panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide rail device provided with a main rail and a branch rail hanging a door panel through a runner by both rails, which prevents a catch at the time when the runner passes through the branch inlet incised in the main rail. <P>SOLUTION: The guide rail is provided with a main rail 7 and a branch rail 9 continuously connected to an incised branch inlet 22. The main rail 7 and the branch rail 9 are opened downward respectively and right and left door panels 1R, 1L are hung through a runner 4. The runner 4 is provided with a runner roll 27 and a bridging body 25 rollingly guided by the main rail 7. A path guide 11 supporting the bridging body 25 is arranged at the lower side of the branch inlet 22. The bridging body 25 rides on a receive wall 35 of the path guide 11 previously before the runner roller 27 drops in the branch inlet 22. Accordingly, the runner 4 does not drop in the branch inlet 22 but smoothly passes through the incision part. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention includes a guide rail device for opening and closing a door panel, and in particular, a main rail that opens downward and a branch rail, and the door panel is suspended via a runner. The present invention relates to a guide rail device for a door panel. INDUSTRIAL APPLICABILITY The guide rail device of the present invention can be applied to, for example, a single rail type flat sliding door or folding door in which the adjacent door panels are flush with each other in the fully closed state.

[0002]

2. Description of the Related Art Japanese Unexamined Utility Model Publication No. 62-141873 discloses a basic structure of a single rail type flat sliding door. There, a pull-in rail that is biased toward the inside or outside of the main rail is provided at each of two ends of the main rail and at two places of the central portion, and an adjacent door panel is selectively moved to the main rail. The opening operation can be done one by one. JP-A-59-210174,
JP-B-60-59387, JP-A-61-1866
Japanese Unexamined Patent Publication No. 19 discloses a flat sliding door in which a door panel is suspended and supported via a runner by a main rail having a downward opening.

[0003]

As described above, the guide rail device provided with the branch rail branched from the main rail, and in particular, in the case where the rail has a sectional structure in which the rail is opened downward, the transition operation of the runner is performed. Raises specific problems. The runner roller rolls on the upper surface of the rail portion provided on the lower surface side of each rail, but at the entrance portion to the branch rail, that is, at the branch opening, it is necessary to allow entry into the branch rail, It is necessary to cut out the rail side wall. Therefore, when the runner roller passes through the branch opening along the main rail, the runner falls into the notch of the branch opening and rattles or stops. In some cases, the runner roller may enter the side of the branch rail regardless of the intention of the user, and in many cases the door panel cannot be opened and closed smoothly.

An object of the present invention is to realize a smooth passage of a runner roller at a branching port, to easily move the runner roller to a branching rail when necessary, and thus to easily open and close the door panel. To provide a device. An object of the present invention is to provide a guide rail device capable of simplifying the structure for realizing smooth passage of a runner roller at a branching port and thereby reducing the cost of the entire device. An object of the present invention is to provide a guide rail device for a door panel, which is suitable for a single rail type flat sliding door in which adjacent door panels are flush with each other in a fully closed state.

[0005]

A guide rail device according to the present invention includes a main rail 7 opening downward,
Including a branch rail 9 branched from the main rail 7,
The door panels 1R and 1L are opened and closed by the rails 7 and 9 in a suspended state via the runner 4. Runner 4
Each of the above is provided with a runner roller 27 which is guided to roll by the main rail 7 and a bridge 25 which prevents the runner roller 27 from falling at the branch opening 22 of the branch rail 9. A path guide 11 that supports the bridging body 25 and assists the smooth passage of the runner roller 27 is provided below the branch opening 22 of the branch rail 9.

Specifically, the runner 4 has a runner roller 27 rotatably supported by a vertical runner shaft 24.
And a bridging body 25 arranged below the runner roller 27 and fixed to the runner shaft 24 so as not to rotate relative to each other. The path guide 11 is provided with a receiving wall 35 that receives and supports the bridging body 25 that moves along the main rail 7. The bridging body 25 receives the bridging body 25 prior to the fall of the runner roller 27 at the branch port 22. It is designed to be received and supported by 35.

The runner 4 and the door panels 1R and 1L are connected via a bracket 3 fixed to the lower end of the runner shaft 24. The door panels 1R and 1L are offset to the front or back with respect to a vertical plane passing through the center of the runner shaft 24 as a reference plane, and the lower surface side of the main rail 7 can be hidden by the door panels 1R and 1L in the fully closed state. The swing stop 5 arranged below the door panels 1R and 1L guides the transition by a lower rail structure arranged similarly to the upper rail structure.

Another guide rail device for door panels according to the present invention is a plurality of door panels 1R, 1L which are supported flush with each other in the fully closed state, and each door panel 1R. It can be applied to a single rail type flat sliding door that guides opening and closing of 1L in a suspended state. There, a guide rail device is provided with one main rail 7 and a pull-in rail 8 arranged at each of both side ends of the main rail 7 for guiding the runners 4 on the main rail 7 to a closed position.
In the middle of the main rail 7, the main rail 7 is branched in a state orthogonal to the rail center of the main rail 7.
A plurality of branch rails 9 for guiding and guiding the upper runner 4 to the closed position. Each runner 4 has a main rail 7
A runner roller 27 which is guided by rolling and a bridge 25 which prevents the runner roller 27 from falling at the branch opening 22 of the branch rail 9 are provided. Branch rail 9
The path guide 1 that supports the bridging body 25 and assists the smooth passage of the runner roller 27 under the branching opening 22 of
1 is provided.

In the above guide rail device, the pull-in rail 8 and the branch rail 9 are provided with catching tools 10 for catching and engaging the runners 4, respectively.

The door panels 1R and 1L are offset from the transition center of the runner 4 to the outside surface of the door, and the branch rail 9
Is arranged on the inner surface side of the main rail 7.

[0011]

In the guide rail device of the present invention, the runner roller 27 includes the runner roller 27 on which the runner 4 is rollingly guided by the main rail 7 and the bridge 25 provided separately from the runner roller 27. When 27 passes through the branch port 22 of the branch rail 9, the bridge 25 provided on the runner 4 is received by the path guide 11 provided at the lower part of the branch port 22 to guide the transition, whereby the runner roller 27 is cut. It is possible to prevent it from falling into the branch opening 22 formed by the notch. Therefore, the door panel 1R
It is possible to reliably prevent the runner 4 when opening and closing 1L from falling into or getting caught in the branch opening 22 formed in the main rail 7 by notching, and realizing a smooth passage of the runner 4 at the branch opening 22, You can easily open and close the panels 1R and 1L. By adding the bridge 25 to the runner 4 and further adding the path guide 11 to the lower part of the branch port 22, smooth passage through the branch port 22 of the runner 4 can be realized, so that the runner 4 can be prevented from falling. The structure can be simplified, and the overall cost can be reduced while avoiding a complicated structure of the guide rail device.

The bridge 25, which is fixed to the runner shaft 24 so as not to rotate relative to it, is received and supported by the receiving wall 35 provided on the path guide 11, and the runner roller 27 at the branch port 22 is supported.
According to the guide rail device configured to receive and support the bridging body 25 by the receiving wall 35 prior to the fall of the bridge, the load of the door panels 1R and 1L when passing through the branch opening 22 is bridged with the runner 4. Since the body 25 and the body 25 shift alternately while burdening, the door panel 1R does not make the user feel uncomfortable.
・ 1L can be opened and closed, so branch port 2 by runner 4
You can pass through 2 more smoothly. Bridge 25 and receiving wall 3
5 has only to have a relationship in which the weights of the door panels 1R and 1L can be supported by abutting each other on the upper and lower sides, so that each of the bridge 25 and the receiving wall 35 can be downsized, and the bridge 25
The structure of this itself can be simplified. In addition, there is almost no possibility that the bridge 25 and the receiving wall 35 will fail during long-term use.

With the vertical plane passing through the center of the runner shaft 24 as a reference plane, the door panels 1R and 1L are offset to the front or rear, and the bottom side of the main rail 7 is concealed by the fully closed door panels 1R and 1L. According to the guide rail device configured as described above, the door panel 1R.1L is fully closed, for example, the doorway between the closet and the living room is set to the door panel 1R.1L.
In the state of being closed by L, the main rail 7 can be prevented from being conspicuous when seen from the room side, and the atmosphere in the room can be prevented from being damaged by the guide rail device. Door panel 1R
According to the guide rail device in which the swing stop 5 provided on the 1L is guided by the lower rail structure arranged in the same manner as the upper rail structure, the offset door panels 1R and 1L
The tilting moment is received by the swing stop 5 so that the door panels 1R and 1L can always be maintained in an appropriate posture, and the door panels 1R and 1L do not tilt when a person leans against them.

In the single rail type flat sliding door to which the guide rail device of the present invention is applied, the adjacent door panel 1
In the fully closed state of the R and 1L, the pull-in rail 8 and the branch rail 9 can support the same plane, and when necessary, one of the door panels 1R (or 1L) can be opened along the main rail 7, As compared with the conventional guide rail device of this type, it is possible to obtain a highly reliable guide rail device that can be opened and closed easily while simplifying the structure. In particular, since the runner 4 in the middle of opening and closing smoothly passes through the branching port 22, it is possible to obtain a guide rail device that can be easily opened and closed and is easy to use.

According to the guide rail device in which the catching tool 10 is provided on each of the pull-in rail 8 and the branching rail 9 and the runner 4 that has entered the both rails 8 and 9 is caught and engaged by the catching tool 10. Door panel 1 closed
Since it is possible to prevent R. 1L from moving to the main rail 7 side due to external vibration, it is possible to keep the door panels 1R, 1L in a fully closed state unless there is a clear intention of the user.

When the door panels 1R and 1L are offset to the side opposite to the pull-in rail 9, the tilting moment M thereof causes the runner roller 27 to roll on the rail portion 13 on the side facing the branch opening 22. Therefore, branch 2
It is possible to well prevent the runner roller 27 from falling into the notch and rattling while passing through 2.

[0017]

1 to 9 show an embodiment in which the guide rail device for a door panel according to the present invention is applied to a single rail type flat sliding door for opening and closing a walk-in closet (hereinafter, simply referred to as a closet). Indicates. In FIG. 2, the flat sliding door is a pair of left and right door panels 1R and 1L.
And a guide rail device for guiding opening and closing of these door panels 1R and 1L.

Each of the door panels 1R and 1L includes a door body 2 and an inverted L-shaped bracket 3 fixed to both upper sides of the door body 2.
And the runner 4 mounted on each bracket 3 and the door body 2
And a swing stop 5 fixed to both sides of the lower part of the. Handles 6 embedded in the door body 2 are provided on the front surfaces of the door panels 1R and 1L close to the adjacent portions. The handle 6 can swing from the door body 2 to the front side when the door panels 1R and 1L are opened and closed. The guide rail device is attached to the upper surface of the opening of the closet, and is attached to the upper rail structure that guides the runner 4 in a transitional manner and the floor surface of the opening of the closet.
It is composed of a lower rail structure for guiding the swing stop 5 in a transitional manner.

In FIG. 3, the upper rail structure includes a main rail 7 and a pair of left and right pull-in rails 8 arranged at both ends of the main rail 7 to guide the runners 4 on the main rail 7 to a closed position. The left and right branch rails 9 are branched at a portion near the center of the main rail 7 to guide the runners 4 on the main rail 7 to a closed position.
And a catch tool 10 that is assembled to each of the pull-in rail 8 and the branch rail 9 to capture and engage the runner 4.
(See FIG. 5) and a path guide 11 arranged on the lower surface side of the branch rail 9.

The main rail 7 is made of an aluminum strip having a U-shaped cross section and integrally provided with an upper wall, a front wall, and a rear wall, and a rail portion 13 near the lower end of the inner surface of the front and rear walls.
Are projected so as to face each other.

In FIG. 6, the lead-in rail 8 is made of a die-cast product, and one corner of the square fastening seat 14 is cut into a corner so that the main rail 7 extends from the notch 15 to the opposite corner. The rail portion 16 is formed continuously.

The rail portion 16 is composed of an inlet portion 16a continuous with the main rail 7, an inclined portion 16b inclined toward the inside of the closet, and a side end portion 16c, and a side end parallel to the main rail 7. The catch tool 10 is screwed to the lower surface of the portion 16c.

In FIG. 7, the catch tool 10 is made of a plastic molded product in which a pair of front and rear elastic arms 17 are projectingly provided from a plate-shaped base portion, and a pair of retaining projections 18 are projectingly opposed to each other near the tips thereof. The pull-in rails 8 on both ends are symmetrically configured.

In FIG. 7, the branch rail 9 is made of, for example, an aluminum die cast product, and the main rail 7
Has a vacant space 20 orthogonal to the rail center of
A rail portion 21 for guiding the runner 4 is provided on the lower side of the opening so as to be opposed to the left and right. The front end of the rail portion 21 projects forward from the front surface of the opening of the space 20. Therefore, FIG.
When the branch rail 9 is tightly fixed to the branch port 22 formed by cutting out the rear wall (inside the closet) of the main rail 7 as shown in FIG.
Enter the main rail 7 via 2
The rail portions 13 and 21 of 9 are adjacent to each other at the same height. Void 2
The lateral width dimension of 0 and the branch opening 22 is equal to the inner width dimension of the main rail 7. A catch tool 10 similar to the catch tool 10 is fixed with a screw near the rear end of the lower surface of the branch rail 9.

The center positions of the runners 4 in the front-rear direction when they are engaged and captured by the catching tools 10 of the pull-in rail 8 and the branch rails 9 are the same, and therefore the door panels 1R adjacent to each other in the closed state.・ 1L can be properly adjacent to each other in the same posture (see FIG. 3).

In FIG. 7, the runner 4 is a bracket 3
A vertical runner shaft 24 fixed by caulking, and a bridging body 25 fixed to the lower part of the runner shaft 24 such that they cannot rotate relative to each other,
An auxiliary roller 26 and a runner roller 27, which are arranged above the bridging body 25 and are pivotally supported so as to freely rotate.
Consists of.

The runner roller 27 is rotatably supported by a group of steel balls. As shown in FIG. 5, one side of the lower surface of the runner roller 27 is received by one of the rail portions 13, 16, 21 and rotated about a vertical axis. To do. The auxiliary roller 26 is formed in a multi-stage shaft shape, and the large diameter shaft portion 28 in the lower stage is the catch tool 1.
It is caught and engaged at 0. Further, the upper peripheral edge of the large-diameter shaft portion 28 is
It is received by the inner edge of the opening of each rail 7, 8 and 9 to prevent the runner 4 from meandering.

As shown in FIG. 5, by forming the bracket 3 in an inverted L shape, the door body 2 is supported by the runner 4 in a state of being offset to the outer surface side of the closet, as indicated by the dimension E. . In this way, the door panel 1R / 1L
When is offset, the tilting moment based on the weight of the door body 2 acts as shown by an arrow M in FIG. Therefore, the runner roller 27 can roll while being supported by the outer rail portion 13 (on the left side in FIG. 5), and therefore, when the runner roller 27 passes through the branch port 22, the runner roller 27 falls into the notch. Can be well prevented. Further, since the lower surface side of the main rail 7 in the fully closed state can be hidden by the door body 2, the appearance of the guide rail device is improved.

As described above, when the rear wall of the main rail 7 and the rail portion 13 are cut out and the branch port 22 leading to the branch rail 9 is opened, when the runner roller 27 passes through the branch port 22, the cutout portion is formed. Depressed and rattling,
Or it gets caught. Therefore, in the present invention, the path guide 11 is provided below the branch opening 22, and the bridging body 25 is further provided on the runner 4 to realize the smooth passage of the runner roller 27.

In FIG. 7, the bridging body 25 is composed of a rectangular plastic block that is long in the left and right directions. Pass guide 1
Reference numeral 1 denotes a pair of die-cast metal fittings fixed to the lower left and right sides of the branch rail 9, and each metal fitting includes a guide portion 34 having a front wall 31, a lateral wall 32, and an upper wall 33, and a lower end front surface of the guide portion 34 to a side surface. Supporting part 3 with the receiving wall 35 overhanging
6 and 6 are integrally provided. With the receiving walls 35 extending in the front-rear direction facing each other in the left-right direction, both metal fittings are arranged on the lower surface of the branch rail 9, and the front wall of the upper wall 33 is fastened with screws 37, whereby the path guide 11 and the branch rail 9 are connected. Can be integrated as one unit component, and the integrated unit component is a wood screw 38 screwed from the lower surface side of the upper wall 33.
It is fixed on the upper surface of the opening of the closet.

In this fixed state, the upper surface of the receiving wall 35 of the path guide 11 is slightly higher than the transition locus of the lower surface of the bridge 25. Moreover, the left and right lengths thereof are set to be large so that a part of the bridging body 25 rides on the receiving wall 35 before the runner roller 27 falls into the branch opening 22. Therefore, the runner roller 27 has the branch port 2
While passing through 2 in the left (or right) direction, as shown in FIG. 9, the bridging body 25 is received by the receiving wall 35 and slides along the upper surface thereof to prevent the runner 4 from falling down and to branch off. It is possible to smoothly pass through 22. At this time, the runner 4 is slightly lifted from the rail portion 13. In order to facilitate the climbing of the bridge 25 to the receiving wall 35, the peripheral edge of the receiving wall 35 is gently inclined, and this inclined surface is the contact area between the bridge 25 and the receiving wall 35. It also helps to reduce the.

The maximum width of the receiving wall 35 in the left-right direction is such that the runner roller 4 passes through the branch opening 22 and the main rail 7
Even when you have completely climbed onto the rail part 13 of
The bridging body 25 has a length including a margin so that a part of the bridging body 25 vertically overlaps the receiving wall 35. Therefore, the runner roller 4 is supported by the rail portion 13 after the bridging body 25 has passed the upper surface of the receiving wall 35.

The lower rail structure uses the upper rail structure as it is, and is constructed in the same arrangement pattern. The main rail 7 and a pair of left and right retractable rails 8 arranged at both ends of the main rail 7, respectively. The left and right branch rails 9 are branched near the center of the main rail 7, and the catch rails 10 are attached to the pull-in rails 8 and the branch rails 9 to catch and engage the swing stop 5. However, since the rails 7, 8 and 9 are arranged so as to open upward, the left-right relationship between the pair of pull-in rails 8 is opposite between the lower rail structure and the upper rail structure.

As described above, when the swing stop 5 and the lower rail structure are provided, the offset door panel 1R.1 is provided.
Since the tilting moment of L can be received by the swing stop 5, the door panels 1R and 1L can always be held in a proper upright posture. Even if a person leans back, the door panels 1R and 1L do not tilt.

In FIGS. 4 and 5, the swing stop 5 comprises a case 40 fixed to the inner surface of the lower portion of the door body 2, an L-shaped arm 41 supported by the case 40 so as to be vertically slidable, and an arm. Anti-vibration roller 4 pivotally supported at the lower end of 41
2 and a compression coil type spring 43 which is arranged on the left and right inside the case 40 and presses and urges the arm 41.

The anti-vibration roller 42 can freely rotate about a vertical roller shaft 44 fixed to the arm 41,
As shown in FIG. 5, an upper roller 45 that is received by the upper surface of the rail portion 13 of the main rail 7 and a lower roller 46 that is prevented from coming off from the lower surface of the rail portion 13 are configured.

As shown in FIG. 3, the left and right door panels 1R and
In the state in which 1L is closed, both panels 1R and 1L are flush with each other, and the runner 4 of the door panel 1R on the right side of the drawing enters the pull-in rail 8 at the right end so that the runner shaft 24 catches. Engaged and captured at 10. Further, the runner 4 near the center of the right door panel 1R enters the branch rail 9 on the right side in the figure, and the runner shaft 24 is engaged and captured by the catch tool 10. The bridging body 25 is inserted in the guide portion between the pair of path guides 11 and 11. Similarly, the runner 4 of the door panel 1L on the left side enters the pull-in rail 8 on the left end, the runner 4 near the center enters the branch rail 9 on the left side toward the drawing, and the respective runner shafts 24 are caught by the catch tool 10. Engaged and captured.

From the above state, when the right side door panel 1R is opened, for example, the handle 6 of the right side door panel 1R is pulled as shown in FIG. The runner 4 thus moved is moved from the branch rail 9 into the main rail 7 through the branch port 22. At this time, the door panel 1R tilts around the central axis of the runner 4 located in the pull-in rail 8 and follows the forward movement of the runner 4. At the same time, the bridging body 25 slides on the receiving wall 35 of the path guide 11 to bridge the left and right receiving walls 35. By horizontally moving the door panel 1R to the left in this state, the runner roller 27 rides on the rail portion 13 of the main rail 7, and the door panel 1R is guided by the main rail 7 as shown in FIG. 8B. It

The runner 4, which has moved to the main rail 7,
In order to prevent rattling and catching when passing the branch opening 22 of the branch rail 9 supporting the left door panel 1L, and to realize smooth passage of the runner roller 27,
As described above, the path guide 1 is provided below the branch opening 22.
1, and the runner 4 is further provided with a bridge 25.

The action of the path guide 11 and the bridging body 25 when the runner 4 passes through the branching port 22 is as described in the preceding paragraph number 0031 with reference to FIG. After the runner 4 passes through the branch opening 22, the door panel 1R can be fully opened along the main rail 7 in the same manner as a normal sliding door. Before the fully opened state, the runner 4, which was inside the pull-in rail 8 in the closed state, passes through the branch opening 22 on the right side of the center, and at this time, the preceding paragraph number 0
In the same manner as described in 031, the bridging body 25 is supported by the path guide 11 and the runner roller 27 can be prevented from falling into the branch opening 22. Even when the door panel 1R is closed, the left and right runners 4 can similarly pass through the branch opening 22.

10 and 11 show another embodiment of the swing stop 5 and the lower rail structure. There, the swing stop 5 was changed from a roller structure to a boss structure, and the structure of the branch rail 9 was changed in response to this structure change. Specifically, the L-shaped arm 41 was fixed to the door body 2, and the swinging boss 48 was fixed to the lower surface of the tip thereof. A vertically slidable engagement pin 49 was housed inside the boss 48, and a compression coil type spring 50 urged it downward. The lower end of the engagement pin 49 is rounded into a hemispherical shape.

The branch rail 9 has a rectangular bottom wall 51 that is orthogonal to the rail center of the main rail 7, and a U-shaped peripheral wall 52 is provided so as to project on three sides of the bottom wall 51. The left and right peripheral walls of the peripheral wall 52 are fastened and fixed to the floor with screws. A groove 53 is formed in the inner part of the bottom wall 51, and the engaging pin 49 is engaged with the groove 53 in a recessed manner, whereby the swing motion of the swing stop 5 can be restricted. The main rail 7 and the pull-in rail 8 do not include the rail portion 13 in the previous embodiment. According to this embodiment, the door panels 1R and 1L can be kept in the fully closed state unless the user has a clear intention, and the door panels 1R and 1L tilt when the person leans back. Nor. Swing stop 5
Since the structure of the branch rail 9 can be simplified, the overall cost of the flat sliding door can be reduced.

The number of door panels forming the flat sliding door may be two or more. In that case, the runners 4 of the door panels sandwiched between the door panels at both ends are formed by a pair of branch rails 9. The position is maintained in the fully closed state.

In addition to the above-mentioned embodiments, the bridging body 25 can be formed by a roller rotating about the vertical axis. In that case, the roller diameter is increased to form the rectangular bridging body 25 described in the embodiment. Similarly to the runner roller 27, the branch port 2
Prior to falling into 2, the peripheral edge of the bridging roller is configured to be received by the receiving wall 35. The guide rail device of the present invention may be applied as a guide rail for a folding door other than the flat sliding door. The branch rail 9 may be branched obliquely from the main rail 7. The structure of the runner 4 is not limited to the structure described in the embodiment, and any structure may be used as long as the runner roller 27 can roll in any direction on the horizontal plane. For example, the runner 4 can be configured by using one or many balls as rolling elements. The receiving wall 35 of the path guide 11 is at least the main rail 7
The receiving wall 35 below the branch rail 9 may be omitted as long as it is provided at a position facing the lower surface of the branch rail 9. Branch rail 9
May be a long rail like the main rail 7.

[Brief description of drawings]

FIG. 1 is a sectional view taken along line BB in FIG.

[Figure 2] Front view of a flat sliding door

FIG. 3 is a cross-sectional plan view showing an upper rail structure.

FIG. 4 is a partially cutaway front view of the right half of the flat sliding door.

5 is a cross-sectional view taken along the line CC in FIG.

FIG. 6 is a partially cutaway plan view of the pull-in rail.

FIG. 7 is an exploded perspective view of a branch rail and a path guide.

FIG. 8 is a cross-sectional plan view showing the opening operation of the door panel.

FIG. 9 is a vertical sectional front view showing a state where the runner passes through the branch opening.

FIG. 10 is a transverse plan view showing another embodiment of the lower rail structure.

FIG. 11 is a side view, partly broken, showing another embodiment of the swing stop.

[Explanation of symbols]

1R / 1L door panel 4 runners 5 swing stop 7 Main rail 8 Service rail 9 branch rails 10 catching tools 11 Pass guide 22 Branch 24 runner shaft 27 runner roller 35 Receiving wall

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mitsuo Tamaki             1-24-234 Beppu, Settsu City, Osaka Prefecture (72) Inventor Naoko Takahashi             Shinseki 1-3-5 Mitsui, Higashi-Osaka City, Osaka Prefecture             West Bearing Co., Ltd. F-term (reference) 2E034 CA01 CB01 GA01 GB15

Claims (6)

[Claims] 1. A main rail 7 that opens downward and a branch rail 9 that branches from the main rail 7. Door rails 1R and 1L are suspended by the rails 7 and 9 via a runner 4. A guide rail device that is guided by opening and closing by a runner roller 27 that is rolled and guided by a main rail 7 and a branch opening 2 of a branch rail 9 for each runner 4.
2 is provided with a bridging body 25 for preventing the runner roller 27 from falling, and the bridging body 25 is supported below the branch opening 22 of the branch rail 9 to assist the smooth passage of the runner roller 27. A guide rail device for a door panel, which is provided with a path guide 11. 2. The runner 4 includes a runner roller 27 rotatably supported by a vertical runner shaft 24, and a bridge 25 arranged below the runner roller 27 and fixed to the runner shaft 24 so as not to rotate relative to each other. In addition, the path guide 11 is provided with a receiving wall 35 that receives and supports the bridging body 25 that moves along the main rail 7, and the bridging bridge 35 is provided prior to the fall of the runner roller 27 at the branch opening 22. The guide rail device for a door panel according to claim 1, wherein the body 25 is received and supported by a receiving wall 35. 3. The runner 4 and the door panels 1R and 1L are
It is connected via a bracket 3 fixed to the lower end of the runner shaft 24, and the door panels 1R and 1L are offset to either the front or back with a vertical plane passing through the center of the runner shaft 24 as a reference plane, and are in a fully closed state. Main rail 7 with each door panel 1R / 1L
3. The door panel according to claim 1, wherein the lower side of the door can be concealed, and the swing stop 5 arranged at the lower part of the door panel 1R / 1L is transitionally guided by a lower rail structure arranged similarly to the upper rail structure. Guide rail device. 4. A single rail type flat that guides opening and closing a plurality of door panels 1R and 1L which are supported in a flat state in a fully closed state and the door panels 1R and 1L via a runner 4 in a suspended state. A guide rail device applied to a sliding door includes one main rail 7 and a pull-in rail 8 arranged at each of both side ends of the main rail 7 for guiding the runners 4 on the main rail 7 to a closed position. Main rail 7
The runner 4 on the main rail 7 is branched in the middle part in a state orthogonal to the rail center of the main rail 7.
, A plurality of branch rails 9 for guiding the transition to the closed position, and each runner 4 is provided with a runner roller 27 rollingly guided by the main rail 7 and a fall of the runner roller 27 at the branch opening 22 of the branch rail 9. A bridging body 25 for preventing the bridging body 25 is provided, and a path guide 11 that supports the bridging body 25 and assists the smooth passage of the runner roller 27 is provided below the branch opening 22 of the branch rail 9. Guide rail device for door panels. 5. The guide rail device for a door panel according to claim 3, wherein each of the pull-in rail 8 and the branch rail 9 is provided with a catch tool 10 for catching and engaging the runner 4. 6. The door panel 1R, 1L is offset from the transition center of the runner 4 to the door outer surface side, and the branch rail 9 is arranged on the door inner surface side of the main rail 7. Guide rail device for door panels.