JP5341700B2 - Braking mechanism mounting structure of the hanging sliding door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a braking mechanism by which the size of an upper case is reduced and lower clearance adjustment is facilitated in a top-railed sliding door. <P>SOLUTION: The braking mechanism of the top-railed sliding door includes a braking rack 8 arranged along the longitudinal direction of a hanger rail 5 hanging a door body 1, and a braking device 7 arranged on the door body 1 and provided with a gear 70 engaged with the braking rack 8. The braking device is arranged on the door body 1 in a horizontal state, and the braking rack 8 is arranged so that it may be engaged with the gear 70, which is in a horizontal state. The braking device is fitted to an upper surface of the door body 1 to be positioned between the upper surface 10 of the door body 1 and a lower surface of the hanger rail 5. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

The present invention relates to a mounting structure for a braking mechanism of an upper sliding door.

FIG. 6 is a longitudinal sectional view showing a conventional suspension mechanism and braking mechanism for an upper sliding door. A hanger rail 5 'is supported above the sliding door 1' by a hanger rail receiving member 5A '. The door body 1 ′ moves in the left-right direction when a suspension wheel 6 ′ provided on the upper surface of the door body 1 ′ rolls along the hanger rail 5 ′. The hanger rail 5 ′ is made of a box-like member having an opening on the lower surface, and a rack case 80 ′ for attaching the brake rack 8 ′ is fixed to the side surface of the hanger rail 5 ′ so as to be brought out. A brake rack 8 'is mounted on the tip of the rack case 80' so as to face downward. On the other hand, a support plate for supporting the brake device 7 'from the upper surface of the door body 1' is fixed in a take-out shape, and the casing of the brake means 71 'of the brake device 7' is in a vertical position on the rising piece of the support plate. It is fixed. A gear 70 ′ of the braking device 7 ′ is connected to the braking means 71 ′ in a vertical posture, and the gear 70 ′ meshes with the braking rack 8 ′. The mechanism of the upper part of the sliding door device, that is, the suspension wheel 6 ', the hanger rail 5', the braking device 7 ', the braking rack 8', and the rack case 80 'are housed in the upper case 9'.

As described above, in the conventional method of attaching the braking mechanism, the braking device 7 ′, that is, the gear 70 ′ and the braking means 71 ′ are vertically placed. Further, Patent Document 1 relates to a sliding door provided with a braking device and a braking rack. However, Patent Document 1 also discloses a vertically oriented pinion (gear).

However, in particular, as shown in FIG. 6, the hanger rail 5 ′ is formed of a box-shaped member in the case where the suspension wheel 6 ′ is arranged in parallel in the thickness direction (expected direction) of the door body 1 ′. Since the 7 'and the braking rack 8' are attached in a take-out form from the side surface of the hanger rail 5 ', there is a problem that the size (extended width) of the upper case 9' covering the upper part of the sliding door becomes large. It was.

Further, in the conventional mounting method in which the vertical gear 70 ′ meshes with the brake rack 8 ′, the height of the door body 1 ′ is adjusted to reduce the lower dust (the gap between the lower surface of the door body 1 ′ and the floor surface). During adjustment, the meshing between the gear 70 ′ of the braking device 7 ′ and the braking rack 8 ′ is affected, so that the adjustment range of the lower dust is reduced, and the lower dust adjustment and the meshing adjustment are performed simultaneously. Therefore, adjustment work is difficult and time-consuming.

JP 2005-320858

An object of the present invention is to provide an attachment structure for a braking mechanism that can make the upper case compact and easily adjust the lower dust in the upper sliding door.

The technical means adopted by the present invention are:
In the mounting structure of the braking mechanism of the suspended sliding door,
The brake mechanism includes a brake rack disposed along a length direction of a hanger rail that suspends the door body, and a brake device provided on the door body and provided with a gear that meshes with the brake rack. ,
The braking device is arranged in a horizontal posture above the door body, and the braking rack is arranged to mesh with a gear in a horizontal posture.

In one aspect, the braking device is attached to the upper surface of the door body so as to be positioned between the upper surface of the door body and the lower surface of the hanger rail.
In one aspect, the braking device may be mounted in a horizontal posture by being positioned above the hanger rail via a support shaft extending upward from the upper surface of the door body.

In one aspect, the said hanger rail is provided with the box shape by which the opening was formed in the lower surface, and the said hanger rail is a some hanger rail receiving member provided at intervals in the length direction of the said hanger rail. Is attached to the housing by
The braking rack is attached to a lower end of the hanger rail receiving member or a plate-like rack case depending from the hanger rail.

The braking device is dimensioned so as not to protrude significantly from the width of the hanger rail when placed in a horizontal posture above the upper surface of the door body.
The mechanism of the upper part of the sliding door, that is, the suspension wheel, the hanger rail, the braking device, and the braking rack are housed in the upper case.
For the door body, the height position of the door body can be adjusted for lower dust adjustment. The means for adjusting the height position of the door body is not limited to those in the embodiments described later.

In the present invention, since the braking device arranged in the horizontal posture does not protrude greatly from the width of the hanger rail, the size of the upper case that covers the upper part of the sliding door device does not become larger than necessary. Therefore, it is possible to store the upper case in a compact manner, and the design of the upper case is improved.

In the present invention, since the gear of the braking device is arranged in a horizontal posture, the height adjustment of the door body (lower dust adjustment) affects the meshing between the gear and the braking rack within the gear thickness (vertical dimension). Can be done without giving. Therefore, it is not necessary to perform the lower dust adjustment and the meshing adjustment at the same time, the lower dust adjustment can be easily performed, the adjustment work time can be shortened, and the workability is improved.

It is a longitudinal cross-sectional view of the sliding door apparatus provided with the attachment structure of the braking mechanism of the upper suspension sliding door which concerns on this invention. It is a front view of the sliding door apparatus provided with the attachment structure of the braking mechanism of the upper suspension sliding door concerning the present invention, and the door body is in an open posture. It is a front view of the sliding door apparatus provided with the attachment structure of the braking mechanism of the upper suspension sliding door concerning the present invention, and a door body is in a closed posture. It is a figure which shows the mechanism of the upper part of the upper sliding door which concerns on this invention. It is a figure which shows a hanger roller assembly. It is a figure which shows the attachment structure of the braking mechanism of the conventional upper sliding door.

Embodiments of the present invention will be described in detail with reference to the drawings. 1 is a longitudinal sectional view of a sliding door device provided with a door body 1, FIG. 2 is an overall view of the sliding door device in which the door body 1 is in an open posture, and FIG. 3 is an overall view of the sliding door device in which the door body 1 is in a closed posture. It is. The door body 1 is movable in the left-right direction between the frame frames 2 and 3 with one frame frame 2 as the door end side and the other frame frame 3 as the door bottom side. A sleeve wall 4 is provided in a half portion of the space between the collar frames 2 and 3 on the side of the collar frame 3, and a space between the collar frame 2 and the end of the sleeve wall 4 serves as an opening for passage. Yes. When the door body 1 is in the open posture, the door body 1 is housed along the sleeve wall 4 as shown in FIG. When the door body 1 is in the closed posture, as shown in FIG. 3, the door end side end portion of the door body 1 is in contact with the collar frame 2, and the door bottom side portion of the door body 1 is overlapped with the sleeve wall 4. It becomes.

A hanger rail assembly is provided above the space between the left and right saddle frames 2 and 3. The hanger rail assembly includes a hanger rail 5 that extends in the moving direction of the door body 1 across the upper ends of the left and right saddle frames 2 and 3, and a hanger rail receiving member 5 </ b> A that supports the hanger rail 5. As shown in FIGS. 2 and 3, a plurality of hanger rail receiving members 5A are provided at intervals along the length direction of the hanger rail 5, and each hanger rail receiving member 5A has left and right frame frames. It is fixed to the upper side wall (frame) W in the space between 2 and 3 directly or via another member.

Two hanger roller assemblies are provided on the upper surface 10 of the door body 1 at intervals in the width direction of the door body 1. Each hanger roller assembly supports four suspension wheels 6 (two sets of parallel two-wheel suspension vehicles 6) arranged in the width direction and the thickness direction of the door body 1 and the four suspension wheels 6 in a rotatable manner. The support unit 60 includes a shaft unit 61 that connects the support unit 60 and the upper surface 10 of the door 1. The support portion 60 is formed with a cylindrical portion 600 that receives the shaft portion 61 from above and is inserted downward.

As shown in FIG. 5, the shaft portion 61 of the hanger roller assembly includes an upper portion 610 that is rotatably received in the cylindrical portion 600 of the support portion 60, and an upper surface 10 of the door body 1 below the support portion 60. And a lower portion 611 extending to the plate 100 fixed to. A head portion 612 having a slightly larger diameter than the shaft portion 61 is formed at the upper end of the shaft portion 61 (upper portion 610). The shaft portion 61 is received in the cylindrical portion 600 of the support portion 60. When the head 612 is locked to the upper end of the tubular portion 600, the head 612 extends downward in a drooping manner. A male screw is formed on the peripheral surface of the lower portion 611 of the shaft portion 61, and a female screw is formed on the plate 100 fixed to the upper surface 10 of the door body 1. The shaft portion 61 is screwed to the female screw of the fixing plate 100 via the male screw of the lower portion 611. In the illustrated embodiment, the lower portion 611 extends beyond the fixed plate 100 and into the upper surface of the door body 1. The lower end side of the lower portion 611 of the shaft portion 61 is connected to the plate 100 fixed to the upper surface 10 of the door body 1, but the shaft portion 61 is restricted from rotating with respect to the fixed plate 100 when the nut 62 is tightened. When the nut 62 is loosened, rotation with respect to the fixed plate 100 is allowed. By rotating the shaft portion 61 by loosening the nut 62, the female screw of the lower portion 611 rotates relative to the male screw of the fixed plate 100, and the shaft portion 61 can move up and down with respect to the fixed plate 100 and the door body 1. It has become. Therefore, the height adjustment (lower dust adjustment) of the door body 1 can be performed by loosening the nut 62 and rotating the shaft portion 61 to move up and down.

The door body 1 is suspended from the hanger rail 5 via a hanger roller assembly provided on the upper surface 10, and the suspension body 6 of the hanger roller assembly rolls on the hanger rail 5, so that the door body 1 is moved in the left-right direction. It is free to move. A guide roller 12 for guiding the lower surface 11 of the door body 1 is provided on the floor surface FL. In the illustrated embodiment, the sliding door device is a single sliding door device, but the sliding door device may be of a draw type.

The configuration of the hanger roller assembly will be described in detail below. As shown in FIG. 4, the hanger rail 5 is arranged so as to approach each other from the opposite side sides 50, 51, the upper side 52 connecting the upper ends of the side sides 50, 51, and the lower ends of the side sides 50, 51. It consists of extending lower sides 53, 54, and these sides 50, 51, 52, 53, 54 extend in the length direction of the hanger rail 5, that is, in the moving direction of the door body 1. The side edges of the lower sides 53 and 54 rise obliquely, and the suspension wheel 6 rolls on the upper surfaces of the lower sides 53 and 54. An opening 55 between the lower sides 53 and 54 extends in the length direction of the hanger rail 5, and the shaft portion of the hanger roller assembly moves in the left-right direction through the opening 55. As described above, the hanger rail 5 is a box-shaped member having the opening 55 on the lower surface.

The hanger rail receiving member 5A that supports the hanger rail 5 includes a first member that is fixed to the side wall W and a second member that is attached to the first member. The first member includes a vertical piece 500 and a lower horizontal piece 501 at the lower end of the vertical piece 500. The second member includes a first vertical piece 502 that is hooked and abutted on an upper portion of the vertical piece 500 of the first member, an upper horizontal piece 503 at the lower end of the first vertical piece 502, and a second part that hangs down from the upper horizontal piece 503. 2 vertical pieces 504 and a lower horizontal piece 505 at the lower end of the second vertical piece 504. The side 50 of the hanger rail 5 is in contact with the inner surface of the vertical piece 500 of the first member, and the lower side 53 of the hanger rail 5 is supported by the lower horizontal piece 501 of the first member. The side 51 of the hanger rail 5 is in contact with the inner surface of the second vertical piece 504 of the second member, and the lower side 54 of the hanger rail 5 is supported by the lower horizontal piece 505 of the second member.

The hanger rail 5 is inclined downward from the collar frame 3 toward the collar frame 2, that is, in the closing direction of the door body 1. The sliding door device is of a manual type, and when the door is opened, the door body 1 is manually opened. When the door is closed, the door body 1 moves in the closing direction by its own weight along the hanger rail 5 extending downwardly in the closing direction. The braking mechanism described below is described as being used for the inclined hanger rail 5, but may be applied to a mechanism for manually opening and closing a horizontal hanger rail. Moreover, you may combine the brake mechanism and the self-closing apparatus which moves a door body in a closing direction automatically.

The sliding door device includes a braking mechanism that decelerates the moving speed when the door body 1 is closed. The braking mechanism includes a movable portion, that is, a braking device 7 provided on the door body 1 side, and a braking rack 8 provided on the fixed portion side above the door body 1.

The braking device 7 provided on the door body 1 side decelerates the rotational speed of the gear 70 meshing with the braking rack 8 and the gear 70 that rotates while being guided by the braking rack 8 when the door body 1 moves in the closing direction. Braking means 71 to be operated. When the door body 1 moves in the closing direction to some extent along the inclined hanger rail 5 when the door body 1 moves in the closing direction, the braking device 7 and the braking rack 8 have the gear 70 of the braking device 7 The door 1 is automatically and gently closed while meshing with the brake rack 8 and decelerating the rotational speed of the gear 70 that moves while rotating on the brake rack 8 as the door 1 moves further in the closing direction. It is provided in such a position.

The braking means 71 performs braking of a rotating gear using fluid frictional resistance. In one aspect, the braking means 71 includes an oil damper that uses oil viscous resistance. When the door body 1 moves in the opening direction, the braking means 71 is configured not to act on the gear 70 that moves while rotating on the braking rack 8. For example, by connecting the rotation shaft of the gear 70 to the braking means 71 via a one-way clutch, the gear 70 is guided by the braking rack 8 when the door 1 is opened and freely rotates, and when the door 1 is closed. It will be understood by those skilled in the art that the braking means 71 acts to reduce the rotation of the gear 70 (see Patent Document 1).

The upper mechanism of the sliding door device, that is, the hanger rail assembly, the hanger roller assembly, and the braking mechanism are housed in the upper case 9. As shown in FIG. 4, the upper case 9 includes opposing side surfaces 90 and 91 and an upper surface 92, and one side surface 90 is fixed to a side wall (casing) W. The other side 91 is an inspection cover, and the upper end of the side 91 is locked to the upper surface 92 so as to be rotatable. A side frame 93 is provided inside the side surface 90, and a mounting plate 94 for the hanger rail receiving member 5 </ b> A is fixed to the side frame 93. The vertical piece 500 of the first member of the hanger rail receiving member 5 </ b> A is fixed to the mounting plate 94.

The casing of the braking means 71 of the braking device 7 is attached to the upper surface 10 of the door body 1 in a horizontal posture. The gear 70 of the braking device 7 is also positioned on the upper surface of the casing of the braking means 71 and is in a horizontal posture. As shown in FIG. 4, the braking device 7 is disposed between the upper surface 10 of the door body 1 and the lower surface (lower sides 53 and 54) of the hanger rail 5. The casing of the braking means 71 has a longitudinal direction and a short direction, and the upper surface 10 of the door body 1 is matched with the longitudinal direction in the width direction of the door body 1 and the short direction in the thickness direction (expected direction) of the door body 1. Is attached. The width of the braking device 7, that is, the diameter of the gear 70 and the dimension of the casing of the braking means 71 in the short direction are substantially the same as the width dimension of the hanger rail 5 (dimension in the expected direction). It doesn't protrude greatly. Therefore, the size of the upper case 9 that covers the upper part of the sliding door device does not become larger than necessary, and the upper case can be stored compactly, and the design of the upper case is improved.

The brake rack 8 provided on the fixed portion side extends in the length direction of the hanger rail 5, that is, in the moving direction of the door body 1, and is supported by the rack case 80. In one aspect, the fixing portion on which the brake rack 8 is provided is a hanger rail assembly, and as shown in FIGS. 2 and 3, a rack case 80 is provided so as to bridge between the two hanger rail receiving members 5A. ing.

The rack case 80 includes a plate portion fixed in a suspended manner with respect to the second vertical piece 504 of the second member of the hanger rail receiving member 5A, and a mounting portion formed on the side surface on the lower end side of the plate portion, The base end side of the brake rack 8 is housed and fixed to the mounting portion. The brake rack 8 protrudes horizontally from the opening of the mounting portion. Since the rack case 80 is plate-shaped and extends downwardly with respect to the second vertical piece 504 of the second member of the hanger rail receiving member 5 </ b> A, the rack case 80 does not protrude greatly from the width of the hanger rail 5.

In the present embodiment, since the gear 70 of the braking device 7 is disposed in a horizontal posture, the height adjustment (lower dust adjustment) of the door body 1 is performed within the thickness (vertical dimension) of the gear 70 and the gear 70. This can be done without affecting the engagement of the brake rack 8. Therefore, it is not necessary to perform the lower dust adjustment and the meshing adjustment at the same time, the lower dust adjustment can be easily performed, the adjustment work time can be shortened, and the workability is improved.

INDUSTRIAL APPLICABILITY The present invention can be used for an attachment structure for a braking mechanism for an upper sliding door.

DESCRIPTION OF SYMBOLS 1 Door body 5 Hanger rail 5A Hanger rail receiving member 6 Suspension wheel 60 Support part 61 Shaft part 7 Braking device 70 Gear 71 Braking means 8 Braking rack 80 Braking rack case 9 Upper case

Claims (3)

In the mounting structure of the braking mechanism of the suspended sliding door,
The brake mechanism includes a brake rack disposed along a length direction of a hanger rail that suspends the door body, and a brake device provided on the door body and provided with a gear that meshes with the brake rack. ,
The braking device is arranged horizontally above said door body, said brake rack is arranged such that the gear meshing in the horizontal position,
The braking device is substantially the same as the width of the hanger rail, and is housed in the upper case of the upper sliding door together with the hanger rail and the braking rack,
Since the braking rack meshes with the gear in the horizontal posture, the height position of the door body can be adjusted without affecting the meshing between the gear and the braking rack.
Mounting structure for the suspension mechanism of the sliding door.   The attachment structure of the braking mechanism of the upper sliding door according to claim 1, wherein the braking device is attached to the upper surface of the door body so as to be positioned between the upper surface of the door body and the lower surface of the hanger rail. The hanger rail has a box shape with an opening formed on the lower surface, and the hanger rail is attached to the housing by a plurality of hanger rail receiving members provided at intervals in the length direction of the hanger rail. And
The braking rack is attached to a lower end of a plate-shaped rack case that hangs down from the hanger rail receiving member or the hanger rail.
The mounting structure of the braking mechanism of the upper sliding door according to claim 2.

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