JP2015017443A - Top-railed sliding door device, and manufacturing method of the top-railed sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively prevent inclination or drop-off of a suspension wheel.SOLUTION: A rail member 30 has an upward rail-like projection 31a at one end side thereof in a direction penetrating an opening of a pathway, continuing in a width direction of the opening of the pathway to receive an outer periphery surface of a suspension wheel 40. A drop-off prevention member 55 for preventing the suspension wheel 40 from dropping off the rail member 30 is fixed to a suspension wheel-supporting bracket 50. The drop-off prevention member 55 has a notch 55b that surrounds a part of the rail-like projection 31a side of the rail member 30. When the suspension wheel-supporting bracket 50 is tilted by a predetermined amount or more, an inner edge of the notch 55b abuts on an under surface of the rail member 30.

Description

  The present invention relates to a hanging door device that opens and closes a suspended opening / closing body, such as a hanging folding door, a hanging sliding door, a balance door, and a sliding wall, and a method of manufacturing the hanging door device. Is.

Conventionally, in this type of invention, for example, as described in Patent Document 1, a rail member (42) extending in the width direction of the passage opening and rolling on the rail member (42). The suspension vehicle (41c) includes a suspension vehicle (41c), a support bracket (41b) for rotatably supporting the suspension vehicle (41c), and an opening / closing body (10) suspended from the lower end of the support bracket (41b). In addition, there is a folding door device that opens and closes the opening / closing body (10) by moving the support bracket (41b) along the rail member (42).
According to this conventional folding door device, the support bracket (41b) supports the roller-like dropout prevention member (41e) so as to be close to the lower end surface of the rail member (42), and passes through the opening / closing body (10). When the support bracket (41b) is tilted due to contact with a person or an obstacle, the roller-like drop-off prevention member (41e) is in contact with the rail member (42), so that the support bracket (41b) is tilted. Thus, the suspension vehicle (41c) can be prevented from falling off the rail member (42).

  However, according to the prior art, when the opening / closing body (10) receives a relatively large impact from a passerby or an obstacle, the roller-shaped drop-off prevention member (41e) is provided on the base end side of the shaft portion. There is a risk that the suspension wheel (41c) will fall off.

JP 2008-14105 A

  This invention is made | formed in view of the said conventional situation, The process made into the subject provides the suspension door apparatus which can prevent the inclination and drop-off | omission of a suspension vehicle effectively, and the manufacturing method of this suspension door apparatus.

  One means for solving the above problems is a rail member extending in the width direction of the opening for the passage, a suspension wheel that rolls on the rail member, a suspension vehicle support bracket that rotatably supports the suspension vehicle, An opening / closing body suspended at a lower end of the suspension vehicle support bracket, wherein the suspension vehicle is configured to open and close the opening / closing body by moving the suspension vehicle and the suspension vehicle support bracket along the rail member, The rail member has a rail-like protrusion that protrudes upward at one end in the passage opening direction and receives the outer peripheral surface of the suspension car continuously in the passage opening width direction. Is attached with a detachment preventing member that prevents the suspension wheel from detaching from the rail member, and the detachment prevention member includes a cutout portion surrounding a portion of the rail member on the rail-like projection side, Kitsukuruma support bracket is characterized in that is brought into contact with the inner edge of the notch on the lower surface of the rail member when tilted more than a predetermined amount.

  Since the present invention is configured as described above, the suspension wheel can be effectively prevented from being tilted or dropped.

It is a front view which shows an example of the hanging door apparatus which concerns on this invention. It is a principal part structure figure of the same hanging door apparatus, (a) shows a fully closed state, (b) shows a fully open state. FIG. 3 is an enlarged view of a main part of FIG. 2. It is a top view of a suspended vehicle, a suspended vehicle support bracket, and a detachment preventing member. It is a top view of a detachment prevention member. It is a figure which shows the effect | action of a suspension vehicle support bracket etc., (a) is a state without inclination, (b) is the state inclined 1st predetermined angle, (c) shows the state inclined 2nd predetermined angle. It is operation | movement explanatory drawing which shows the state which a hanging door apparatus opens and closes to both directions.

The first feature of the suspension door device of the present embodiment is that a rail member extending in the width direction of the passage opening, a suspension wheel that rolls on the rail member, and a suspension vehicle that rotatably supports the suspension vehicle. A suspension comprising a support bracket and an opening / closing body suspended at a lower end of the suspension vehicle support bracket, wherein the suspension body is opened and closed by moving the suspension vehicle and the suspension vehicle support bracket along the rail member. In the door device, the rail member has, on one end side in the passage opening through direction, a rail-shaped protrusion that protrudes upward and continuously receives the outer peripheral surface of the suspension wheel in the passage opening width direction. The suspension vehicle support bracket is fixed with a separation preventing member that prevents the suspension vehicle from being detached from the rail member, and the separation prevention member has a notch portion surrounding a portion of the rail member on the rail-like projection side. The Tsukuruma support bracket is brought into contact with the inner edge of the notch on the lower surface of the rail member when tilted more than a predetermined amount.
According to this configuration, when the suspension vehicle support bracket is tilted by a predetermined amount or more, the notch portion surrounding the rail-shaped projection side portion of the rail member abuts on the lower surface of the rail member, so that the suspension vehicle falls off the rail-shaped projection. Can be prevented.

As a second feature, the notch includes a first inner edge adjacent to the lower end surface of the rail member, a second inner edge adjacent to the side surface on the one end side of the rail member, and a rail of the rail member. A third inner edge adjacent to the upper surface of the protrusion and a fourth inner edge adjacent to the inner surface of the rail-shaped protrusion of the rail member.
Here, the “inner side surface of the rail-like protrusion” means a side surface on the opposite end side to the side surface on one end side in the passage member through direction of the rail member.
According to the above configuration, when the suspension vehicle support bracket is tilted by a predetermined amount or more, the first inner edge is brought into contact with the lower end surface of the rail member and / or the second inner edge is brought into contact with the side surface on the one end side of the rail member. By the contact, the inclination of the suspension vehicle support bracket is suppressed. Furthermore, it is possible to prevent the suspension wheel from trying to remove the wheel from the rail-shaped protrusion by the contact between the fourth inner edge and the inner surface of the rail-shaped protrusion (see FIGS. 5 and 6).

As a third feature, the detachment prevention member is formed by forming the notch in a flat plate-like member that is substantially orthogonal to the passage opening width direction.
According to this configuration, the detachment prevention member can have a simple structure that is robust and has good productivity.

As a fourth feature, the suspension vehicle support bracket includes a steady-state roller that is close to the lower end surface of the rail member and can roll along the lower end surface, and the suspension vehicle support bracket is inclined at a first predetermined angle. In this case, the steadying roller contacts the lower surface of the rail member, and when the suspension vehicle support bracket is inclined at a second predetermined angle larger than the first predetermined angle, the notch portion is formed on the lower surface of the rail member. It was made to contact.
According to this configuration, when the suspension vehicle support bracket is inclined at the first predetermined angle, this inclination can be suppressed by the contact between the steadying roller and the rail member. In the case where the suspension wheel support bracket is further tilted due to deformation or breakage of the steadying roller, this tilt can be prevented by the contact between the notch portion of the slip-off preventing member and the rail member (see FIG. 6).

As a fifth feature, the suspension vehicle support bracket is formed in a concave cross section surrounding both ends of the suspension vehicle in the advancing / retreating direction and one side surface of the suspension vehicle, and the disengagement prevention member is disposed on the advancing / retreating side of the suspension vehicle supporting bracket. It was fixed on one end face of the stack.
According to the said structure, while being able to prevent a deformation | transformation of a detachment prevention part, this detachment prevention member can be fixed firmly, as a result, the inclination of a suspension vehicle support bracket and the dropping of a suspension vehicle can be prevented more effectively.

The sixth feature is a method for manufacturing a hanging door device, wherein after the suspension car is placed on the rail-like projection, the disengagement prevention member is fixed to the suspension car support bracket. .
If the disengagement prevention member is fixed to the suspension vehicle support bracket before placing the suspension vehicle on the rail-like projection, in order to ensure good workability when placing the suspension vehicle on the rail-like projection, There is a need to ensure a relatively large gap between the detachment preventing member and the rail member, and as a result, the effect of suppressing the inclination of the suspension vehicle support bracket or preventing the suspension vehicle from falling off by the detachment prevention member may be reduced. However, according to the said structure, while solving such a problem and improving the workability | operativity at the time of mounting a suspension vehicle on a rail-shaped protrusion, the inclination of a suspension vehicle support bracket and dropping of a suspension vehicle are prevented effectively. Can do.

Next, a preferred embodiment having the above features will be described in detail with reference to the drawings.
In the present specification, “passage opening width direction” means a lateral width direction of the passage opening opened and closed by the opening / closing body 10. Further, the “passage opening penetrating direction” means a direction that passes through the passage opening that is opened and closed by the opening / closing body 10 and that is substantially orthogonal to the passage opening width direction.

The hanging door device 1 includes an opening / closing body 10 that opens and closes by opening or closing a passage opening in a lateral width direction, a frame body 20 that surrounds the opening / closing body 10 from the left and right sides, and the upper side, and the frame body. Rail member 30 fixed to the inside of the upper frame which constitutes 20, suspension vehicle 40 which rolls on rail member 30, suspension vehicle support bracket 50 which supports the suspension vehicle 40 rotatably, and suspension vehicle support bracket 50 Urging means 60 for urging the rail in one direction along the rail member 30 (leftward according to FIGS. 1 and 2), braking means 70 for imparting resistance to the suspension vehicle support bracket 50, and the fully closed state of the opening / closing body 10 And an engagement / disengagement member 90 for engaging / disengaging the suspension vehicle support bracket 50 on its opening direction side, and the suspension vehicle 40 and the suspension vehicle support bracket 50 are moved in the one direction by the urging force of the urging means 60. Move it The closing member 10 for closing operation (see FIGS. 1 to 4).
In particular, the hanging door device 1 of the present embodiment is a folding door device that is attached to an opening provided on a wall surface of a building such as a building, and opens and closes the opening / closing body 10 to open the passage opening. It is composed.

The opening / closing body 10 has a plurality of door bodies 11, 12 connected in the passage opening width direction (left-right direction according to FIG. 1) and one of the adjacent door bodies 11, 12 with respect to the other. It is connected so as to rotate in both directions.
The opening / closing body 10 constitutes a double-folding folding door that is suspended by the suspension vehicle support bracket 50 and moves in the direction of the width of the passage opening while rotating in the both directions intersecting the passage opening. (See FIG. 7).
In addition, according to the example of illustration, although the opening / closing body 10 is comprised by the two door bodies 11 and 12, you may make it connect three or more door bodies similarly to the above.

The door body 11 on the foremost side has a substantially rectangular plate shape wider than the door body 12 on the door bottom side, and its upper end is suspended by a suspension vehicle 40 and a suspension vehicle support bracket 50 described later. It is possible to move in the width direction of the passage opening (left and right direction in FIG. 1) while rotating around the suspended portion. In addition, the code | symbol 11a in FIG. 1 is a handle part which protrudes in the opening part penetration direction for passages from the front part and / or back part in the door tip side of the door body 11. FIG.
And the edge part of the door bottom side (right side according to FIG. 1) of the door body 11 is connected to the door end side (according to FIG. 1) of the door body 12 through a rotation mechanism such as a hinge, a gear, or a link member. It is rotatably connected to the end of the left side.

  The door-side door 12 is formed in a substantially rectangular plate shape that is narrower than the door-side door 11, and the door-side end is a stationary part such as the frame 20 and the floor surface. On the other hand, it is supported so as to rotate in both directions via the base shaft portion 13.

Further, the frame body 20 includes a door-end side vertical frame portion 21 that faces the door-end portion 10a of the opening and closing body 10 when fully closed, and a door-end side vertical that faces the door-end portion 10b of the opening and closing body 10 when fully closed. The frame portion 22 and an upper frame portion 23 that connects the vertical frame portions 21 and 22 on the upper end side thereof are formed into a substantially U-shaped frame shape. A mechanism (such as the rail member 30 and the suspension wheel 40) for holding and opening and closing is housed.
According to the illustrated example, the lower side of the opening / closing body 10 is a floor surface, the ground, or the like, but may be a lower frame portion extending between the vertical frame portions 21 and 22.

The rail member 30 is fixed substantially horizontally to the upper frame portion 23 so as to receive the suspension vehicle 40 from below and to guide it in the passage opening width direction (left and right direction according to FIGS. 1 and 2).
More specifically, the rail member 30 is formed in a substantially L-shaped cross section including a substantially horizontal receiving piece portion 31 and a fixed piece portion 32 fixed to the upper frame portion 23, and has a passage opening. It is continuous in the width direction.

  The receiving piece 31 has a substantially flat plate shape that protrudes from the surface of the upper frame portion 23 and extends substantially horizontally in the width direction of the passage opening, and one end side in the passage opening portion penetration direction (according to FIG. 6). On the left end side, a rail-shaped protrusion 31 a that protrudes upward and receives the outer peripheral surface of the suspension wheel 40 is provided. According to the illustrated example, the rail-shaped protrusion 31a is formed in a semicircular cross-section that fits on the outer peripheral surface of the suspension wheel 40, and is continuous in the width direction of the passage opening.

  The fixed piece portion 32 is fixed to the surface of the upper frame portion 23 and has a substantially flat plate shape extending in the width direction of the passage opening, and the lower end side is connected to the receiving piece portion 31. A fitted rail 32 a is provided on the upper end side of the fixed piece portion 32.

The fitted rail 32 a is formed in a substantially concave shape that continues over the entire length of the rail member 30. More specifically, the fitted rail 32a is wider on the back side (right side according to FIG. 6) in the passage opening portion penetrating direction than the front side, and has a passage opening width. The guide groove 32a1 is continuous in the direction. In the guide groove 32a1, a nut-like member (not shown) screwed into a fastener (for example, a screw or a bolt) inserted into the rack 72 or the engagement / disengagement member 90 of the braking means 70 is provided as a passage opening. It is fitted so as to slide in the width direction.
According to this fitted rail 32a, the rack 72 and the engagement / disengagement member 90 of the braking means 70, which will be described later, are slid in the width direction of the passage opening, and fixed at any position by tightening the fastening device. (See FIG. 2).

  Moreover, the suspension wheel 40 is a substantially cylindrical member, and has a substantially semi-circular concave section that fits over the rail-shaped protrusion 31a of the rail member 30 over the entire outer peripheral surface thereof. The suspension vehicle 40 is rotatably supported by the suspension vehicle support bracket 50 via a bearing, a shaft-shaped member, and the like, and rolls on the rail-shaped protrusion 31a.

The suspension vehicle support bracket 50 is formed in a substantially concave shape (see FIG. 4) that surrounds both ends of the suspension vehicle 40 in the advancing and retreating direction and one side surface of the suspension vehicle 40.
More specifically, the suspension vehicle support bracket 50 includes a substantially vertical plate-like base portion 51 that pivotally supports the suspension vehicle 40 and reinforcements that are bent substantially at right angles to the suspension vehicle 40 side at both end portions in the advancing and retreating direction of the base portion 51. In addition to being formed to have a substantially concave cross section from the portions 52 and 52 (see FIG. 4), the base 51 has a suspension piece 53 (see FIG. 6) bent at a substantially right angle toward the suspension wheel 40 side.

The connection plate 56 is fixed to the base 51 in the closing direction side (left side according to FIG. 3) by a fastening tool (for example, a screw or a bolt).
The connecting plate 56 is a flat plate member, and a mounting bracket 57 is fixed to a closing direction side thereof by a fastening tool (for example, a screw or a bolt), and an upper end side is locked by an engagement / disengagement member 90. The latched portion 56a is provided. The hooked portion 56a is, for example, a shaft-like member that protrudes in the passage opening direction.

  Further, the main body 71 of the braking means 70 and the attracted body 58 attracted by the magnetic attracting body 80 are fixed to the mounting bracket 57, and the wire 62 of the urging means 60 is fastened. The attracted body 58 is made of a magnetic material that can be attracted by a permanent magnet, and is fixed to the surface of the mounting bracket 57 on the rail member 30 side by a fastening tool (for example, a screw or a bolt).

Further, an anti-swaying roller 54 that protrudes toward the rail member 30 and is close to the lower end surface of the rail member 30 and that can roll along the lower end surface is supported on the lower end side of the suspension vehicle support bracket 50.
As shown in FIG. 6B, the gap between the roller 54 and the lower end surface of the rail member 30 is such that the roller 54 is inclined when the suspension vehicle support bracket 50 is inclined at the first predetermined angle α1 in the passage opening direction. It is set so as to contact the lower end surface of the rail member 30.

Further, a detachment preventing member 55 is superimposed on the reinforcing portion 52 on the opening direction side of the suspension vehicle support bracket 50 and fixed by a fastening tool (for example, a screw or a bolt).
As shown in FIG. 5, the disengagement prevention member 55 is a substantially rectangular plate-like member in plan view, and has fastening holes 55 a and 55 a on the upper side thereof, and a rail-like protrusion on the rail member 30 on the lower end side. A notch portion 55b surrounding the portion on the 31a side is provided, and the inner edge of the notch portion 55b is brought into contact with the lower surface of the rail member 30 when the suspension vehicle support bracket 50 is tilted by a predetermined amount or more (see FIG. 6B).

As shown in FIG. 5, the notch portion 55 b includes a first inner edge 55 b 1 that is close to the lower end surface of the rail member 30, a second inner edge 55 b 2 that is close to the side surface on the one end side of the rail member 30, and the rail It has a third inner edge 55b3 close to the upper end surface of the rail-like protrusion 31a of the member 30 and a fourth inner edge 55b4 close to the inner side surface of the rail-like protrusion 31a of the rail member 30. According to the illustrated example, the rail It is formed in a substantially square shape having an opening 55b5 for inserting the protrusion 31a.
As shown in FIG. 6C, the suspension vehicle support bracket 50 has a fourth inner edge 55b4 when the suspension vehicle 40 and the suspension vehicle support bracket 50 are inclined at a second predetermined angle α2 larger than the first predetermined angle α1. The lower end side dimension x (see FIG. 5) of the suspension vehicle support bracket 50 and the gap between the first inner edge 55b1 and the end surface of the rail member 30 are appropriately set so as to contact the lower surface of the rail member 30. Yes.

  Further, a shaft-shaped member 53a is fixed to the suspension piece 53 on the lower end side of the suspension vehicle support bracket 50 in a substantially vertical shape, and the lower end side of the shaft-shaped member 53a is freely rotatable through a bearing 53b, a bracket, or the like. The front door 11 is connected.

Further, the urging means 60 attaches one end side of the wire 62 to a winding body (not shown) urged in the winding direction by a spring (not shown) so as to wind the wire 62. This is a reel device. The winding force of the urging means 60 can be increased or decreased by adjusting the urging force of the mainspring spring by the rotation of the adjustment dial 61a (see FIG. 3).
Then, the urging means 60 (reel device) moves the main body 61 from the stationary part (the left side according to FIG. 3) to the stationary part (the upper side according to the illustrated example) with respect to the mounting bracket 57 when the opening / closing body is fully closed. The tip of the wire 62 is fixed to the mounting bracket 57 while being supported by the frame portion 23).

As shown in FIG. 3, the braking means 70 includes a main body 71 that rotatably supports a gear 71a and that can adjust the rotational resistance of the gear 71a, and a rack 72 that meshes with the gear 71a. Is fixed above the passage opening that is opened and closed by the opening and closing body 10 to the closing direction side of the mounting bracket 57 integral with the suspension vehicle support bracket 50, and the rack 72 is fixed to the rail member 30 that is a stationary part. Yes.
A gear 71a is supported in the main body 71 in a state having rotational resistance, and an adjustment knob 71b for adjusting the rotational resistance is exposed at the center of the main body 71.

The rack 72 is arranged substantially parallel to the rail member 30 so as to mesh with the gear 71a. A fastener (for example, a screw or a bolt) is inserted into the rack 72, and a nut-like member (not shown) screwed to the fastener is attached to the fitted rail 32a of the rail member 30. It is fitted so as to be movable in the width direction of the passage opening.
Therefore, if the fastening tool is loosened and the rack 72 is moved in the passage opening width direction, the timing at which the opening / closing body 10 starts to decelerate during the closing operation can be easily shifted. That is, for example, if the rack 72 is shifted and fixed in the opening direction, the position at which the opening / closing body 10 starts to be decelerated during the closing operation can be made close to the fully open position, and the rack 72 is shifted in the closing direction. If fixed, the position at which the opening / closing body 10 starts to decelerate during the closing operation can be set to a position close to the fully closed position.

The magnetic attraction body 80 is fixed to a stationary part (upper frame portion 23 in the illustrated example) on the closing direction side of the suspension vehicle support bracket 50 when the opening / closing body is fully closed, and the suspension vehicle support bracket 50 is placed in a state of leaving a gap. Suction.
More specifically, the magnetic attracting body 80 includes a substantially L-shaped bracket 81 fixed to the upper frame portion 23, a permanent magnet 82 fixed to the bracket 81, and an opening direction side of the permanent magnet 82. The upper frame portion 23 is formed with a buffer member 83 (for example, a rubber plate or the like) that covers the surface and prevents an abutment, and with a gap between the suction target 58 and the suction target 58. It is fixed.

The engaging / disengaging member 90 is disposed near the fully-fitted rail 32a of the rail member 30 and is fixed to the rail member 30 so as to be movable in the width direction of the passage opening, and fixed to the supporting bracket. The engagement / disengagement elastic piece 92 is fixed.
A fastener (for example, a screw or a bolt) is inserted into the support bracket 91, and a nut-like member (not shown) screwed to the fastener is an end portion of the engagement / disengagement member 90 in the longitudinal direction. Is inserted into the fitted rail 32a and fitted so as to be movable in the width direction of the passage opening, and is fixed by tightening the fastening device.
The engagement / disengagement elastic piece 92 is formed of a metal plate material that can be elastically bent such as a leaf spring material, and has an upside-down hook shape that can be hooked on the hooked portion 56a on the suspension vehicle support bracket 50 side. Part 92a. According to the illustrated example, two hooking portions 92a are provided symmetrically so as to be applicable to a hanging door device whose opening direction is reversed.
The engaging / disengaging member 90 configured as described above can move in the passage opening width direction (left and right direction according to FIG. 2) by loosening the fastener. For example, if the engagement / disengagement member 90 is moved and fixed to the closing direction side from the position shown in FIG. 2, the width of the passage opening when the opening / closing body 10 is fully opened can be reduced.

Next, a procedure for mounting the hanging door device 1 having the above-described structure on the chassis opening in the field will be described.
First, the frame 20 is mounted and fixed to a housing opening of a building or the like.
Then, the suspension wheel 40 on the upper end side of the opening / closing body 10 is fitted into the rail-shaped protrusion 31a of the rail member 30 with the surface cover of the upper frame portion 23 removed. At this time, the connecting plate 56, the hooked portion 56 a, the mounting bracket 57, the main body portion 71 of the braking means 70, the sucked body 58, and the like are fixed in advance to the suspension vehicle support bracket 50. Is a separated state.
Next, the disengagement prevention member 55 is fixed to the reinforcing portion 52 on the opening direction side of the suspension vehicle support bracket 50. At this time, the detachment preventing member 55 is mounted so as to surround the rail-shaped protrusion 31a by the notch 55b.
According to this assembling method, the gap between the notch 55b of the suspension vehicle support bracket 50 and the rail-shaped protrusion 31a of the rail member 30 can be made relatively narrow, so that the suspension vehicle 40 can be effectively prevented from being tilted and derailed. .

Moreover, the hanging door apparatus 1 of the said structure has an effect shown below.
When the opening / closing body 10 is in a fully closed state or a halfway closed state, the opening / closing body is brought into contact with the opening / closing body 10 from one side in the passage opening passage direction or the opening / closing body 10 receives wind pressure or the like. 10 and the suspension vehicle support bracket 50 on the upper end side of the opening / closing body 10 are inclined, and when the inclination becomes the first predetermined angle α1, first, as shown in FIG. The inclination is suppressed by the contact of the roller 54.

Further, the force received by the opening / closing body 10 from one side in the passage opening direction is large, the base end side (the shaft support portion) of the roller 54 is deformed or damaged, and the inclination becomes the second predetermined angle α2. In this case, as shown in FIG. 6C, the fourth inner edge 55b4 of the disengagement prevention member 55 in the suspension vehicle support bracket 50 abuts on the lower end surface of the rail member 30, so that the inclination is suppressed. At the same time, the suspension vehicle support bracket 50 can be prevented from falling off the rail member 30.
That is, for example, even if the inclined suspension wheel 40 is likely to come off from the rail-shaped protrusion 31a, the third inner edge 55b3 of the notch 55b hits the inner surface of the rail-shaped protrusion 31a, thereby preventing the suspension wheel 40 from being removed. be able to.

  In addition, since the detachment prevention member 55 is overlapped and fixed to the reinforcing portion 52 of the suspension vehicle support bracket 50 so as to be orthogonal to the longitudinal direction of the rail member 30, the detachment prevention member 55 is subjected to an impact at the time of contact. It is possible to effectively prevent deformation and disconnection.

  Further, when adjusting the biasing means 60 and the braking means 70 in order to change the closing speed of the opening and closing body 10, the adjustment work can be performed from the passage opening side (left side in FIG. 1). The workability and maintainability are good, and the closing operation of the opening / closing body 10 is smoothly performed by pulling from the closing direction side by the biasing means 60.

  Further, it is possible to prevent the magnetic attracting body 80 from causing the opening / closing body 10 when the closing operation is performed to pass through the fully closed position and rotate in the direction intersecting the opening.

  Further, the work of mounting the main body 71 of the braking means 70, the sucked body 58, etc. to the suspended vehicle support bracket 50 during manufacturing or maintenance is performed by the main body 71 of the braking means 70, the sucked body 58, and the mounting bracket 57. Etc. can be handled integrally, and its workability is good.

  Further, in order to change the deceleration start position by the braking means 70, the rack 72 is shifted in the passage opening width direction, and the engagement / disengagement member 90 is moved in the passage opening width direction in order to change the fully open position of the opening / closing body 10. The shifting operation can be easily performed by the above-described fitting structure between the rack 72 and the rail member 30 and the fitting structure between the engagement / disengagement member 90 and the rail member 30.

  In addition, according to the said Example, as a mode with especially favorable assembly property and intensity | strength, although the separate flat plate-shaped removal prevention member 55 was fixed with respect to the suspension vehicle support bracket 50, as another example, a suspension vehicle support is carried out. It is also possible to adopt a configuration in which the detachment preventing member is integrally processed with respect to the bracket 50, an aspect in which the detachment preventing member 55 is formed in a block shape, or the like.

  Moreover, according to the said Example, although both the roller 54 and the separation | staining prevention member 55 were provided as a particularly preferable aspect, it can also be set as the structure which excluded only the roller 54 as another example.

  Moreover, according to the said Example, although the double-folding type folding door apparatus was comprised especially as a structure which obtains the effect | action by the magnetic attraction body 80 effectively, as another example, a one-side opening type folding door apparatus, a balance door, It is also possible to configure a sliding door or the like.

DESCRIPTION OF SYMBOLS 1: Suspension door apparatus 10: Opening and closing body 20: Frame body 30: Rail member 31a: Rail-like protrusion 40: Suspension car 50: Suspension car support bracket 55: Detachment prevention member 55b: Notch part 55b1: First inner edge 55b2: Second Inner edge 55b3: third inner edge 55b4: fourth inner edge 56a: hooked portion 60: biasing means (reel device) 61a: dial for adjustment 62: wire 70; braking means 71: main body 71a: gear 71b: adjustment Knob 72: Rack 80: Magnetic attractant 90: Engaging / disengaging member

Claims (6)

A rail member that extends in the width direction of the passage opening, a suspension wheel that rolls on the rail member, a suspension vehicle support bracket that rotatably supports the suspension vehicle, and a suspension vehicle that is suspended at the lower end of the suspension vehicle support bracket An opening / closing body, and a hanging door device that opens and closes the opening / closing body by moving the suspension vehicle and the suspension vehicle support bracket along the rail member,
The rail member has, on one end side in the passage opening through direction, a rail-like protrusion that protrudes upward and receives the outer peripheral surface of the suspension wheel continuously in the passage opening width direction,
The suspension vehicle support bracket is fixed with a detachment prevention member that prevents the suspension vehicle from detaching from the rail member.
The disengagement prevention member includes a cutout portion surrounding a portion of the rail member on the rail-like projection side, and an inner edge of the cutout portion is brought into contact with a lower surface of the rail member when the suspension vehicle support bracket is inclined by a predetermined amount or more. A hanging door device characterized in that   The notch is close to a first inner edge close to the lower end surface of the rail member, a second inner edge close to the side surface on the one end side of the rail member, and an upper end surface of the rail-like protrusion of the rail member. The suspension door device according to claim 1, further comprising a third inner edge and a fourth inner edge adjacent to the inner surface of the rail-shaped protrusion of the rail member.   The suspension door device according to claim 1, wherein the detachment prevention member is formed by forming the cutout portion in a flat plate-like member that is substantially orthogonal to the width direction of the passage opening. The suspension vehicle support bracket includes a steady-state roller that is close to the lower end surface of the rail member and can roll along the lower end surface.
When the suspension vehicle support bracket is inclined at a first predetermined angle, the steadying roller contacts the lower surface of the rail member, and when the suspension vehicle support bracket is inclined at a second predetermined angle larger than the first predetermined angle. The suspension door device according to any one of claims 1 to 3, wherein the notch is in contact with a lower surface of the rail member.   The suspension vehicle support bracket is formed in a concave cross section surrounding both ends of the suspension vehicle in the advancing / retreating direction and one side surface of the suspension vehicle, and the disengagement prevention member is fixed to be overlapped with one end surface of the suspension vehicle supporting bracket on the advancing / retreating direction side. The suspension door device according to any one of claims 1 to 4, wherein the suspension door device is provided.   The suspension door device according to any one of claims 1 to 5, wherein the detachment prevention member is fixed to the suspension vehicle support bracket after the suspension vehicle is placed on the rail-shaped protrusion. Manufacturing method.

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