JP2003232166A - Safety device for folding door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safety device for a folding door, which can prevent a finger from being injured by being caught in a gap between respective butt ends of a rotating door panel and the movable door panel, because a movable member retreats, even if a person accidentally gets caught in the gap, and which can prevent injury from being caused by finger chopping, because a movable member advances so as to return to an initial position, when the finger is released from a state of being caught in the gap. <P>SOLUTION: The rotating door panel of the folding door body 2, which is constituted by coupling the rotating door panel 3 and the movable door panel 4 to each other by a folding coupling part 5 in a mutually foldable and rotatable manner, is arranged in a door frame body of an opening of a building; the door panel 3 is arranged in such a manner as to be freely moved for opening/ closing with respect to the frame body 1 by a guide part 7; the movable member is arranged at least at one of the respective butt ends of the door panels 3 and 4 in such a manner as to freely advance/retreat; and an elastic holding mechanism 9, capable of holding the movable member elastically, is provided. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a public toilet, for example,
The present invention relates to a folding door safety device used in an opening of a building such as a bathroom or a doorway.

[0002]

2. Description of the Related Art Conventionally, as a folding door of this type, a folding door body is constructed by connecting a swinging door plate and a movable door plate to a door frame body of an opening of a building so as to be mutually bent and rotatable by a folding connecting portion. There is known a structure in which a rotating door plate is rotatably opened and closed by a pin hinge portion, and the movable door plate is movably opened and closed with respect to the door frame body by a guide portion.

[0003]

However, in the case of this conventional structure, there is a risk that the fingers may be caught between the abutting ends of the rotary door plate and the movable door plate when the folding door is folded and opened and closed. It has the inconvenience of being there.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve these problems. Of the present invention, the invention according to claim 1 is a door frame body at an opening of a building, and a rotating door plate and A rotary door plate of a folding door body, which is formed by connecting the movable door plates to each other so as to be able to be bent and rotated by a bending connecting portion, is arranged by a pin hinge portion so as to be openable and closable, and the movable door plate is guided by the guide portion. The movable member is disposed so as to be openable and closable with respect to the body, and the movable member is movably disposed at at least one butting end of the butting ends of the rotary door plate and the movable door plate,
In the folding door body opening / closing device, an elastic pressure holding mechanism capable of elastically holding each of the movable members is provided.

Further, the invention according to claim 2 is, as the elastic pressure holding mechanism, a holding member capable of holding a movable member so as to be capable of advancing and retracting at at least one butting end portion of each of the turning door plate and the movable door plate. It is characterized in that a plate spring member capable of elastically pressing the movable member is provided together with the shaft, and the invention according to claim 3 is characterized in that an elastic member is provided at the abutting end of the movable member. The invention according to claim 4 is characterized in that a fitting mechanism capable of closing the space between the movable members is provided.

[0006]

1 to 12 show an embodiment of the present invention, in which 1 is a door frame, 2 is a folding door, and the door frame 1 is attached to an opening of a building. , A rotary door plate 3 of a folding door body 2 formed by connecting a rotary door plate 3 and a movable door plate 4 to a door frame body 1 by a bending connecting portion 5 so as to be freely rotatable and pivotable by a pin hinge portion 6. The movable door plate 3 is freely arranged and is configured to be opened and closed with respect to the door frame 1 by the guide portion 7. In this case, although details are omitted in the drawings, the guide portion 7 is provided with a guide rail portion along the opening in the upper frame portion of the door frame body 1, and the movable body can be freely moved by the guide roll on the guide rail portion. The movable door plate 4 is provided on this moving body.
It is configured by pivotally attaching a pin body provided on the.

A movable pressure member 8 is provided at the abutting end portions of the rotary door plate 3 and the movable door plate 4 so as to be able to move forward and backward, and an elastic pressure holding mechanism 9 capable of elastically holding each movable member 8. 9 is provided and configured.

In this case, as the elastic pressure holding mechanism 9, 9, a plurality of holding shafts 10 capable of holding the movable members 8 and 8 at the abutting ends of the rotary door plate 3 and the movable door plate 4 so as to be movable back and forth. 10 is provided, and leaf spring members 11 and 11 capable of elastically pressing the movable members 8 and 8 are provided.

Further, in this case, fixed vertical rails 9a, 9a are provided on the abutting end surfaces of the rotary door plate 3 and the movable door plate 4, respectively.
, And a plurality of holding shafts 10 ・ on the fixed vertical bars 9a ・ 9a.
10 is attached and fixed by bolts 10a and 10a, a plurality of support frames 12 are fixed to the back surface of the movable member 8 and 8 and the holding shafts 10 and 10 are slidably insertable into the support frame 12. Is formed, and stopper portions 10b and 10b capable of contacting the inner surface of the support frame 12 are formed on the holding shaft 10 and 10. In this case, the leaf spring members 11 and 11 are bent at both ends of the substrate. Fixed vertical bar 9a
9a, the base portions of the plurality of leaf spring members 11, 11 are fixed by welding, and both free ends are elastically contacted with the back surface of the movable member 8, 8. Thus, the movable members 8 and 8 are elastically held so as to move back and forth with respect to the abutting end surfaces of the rotary door plate 3 and the movable door plate 4.

Therefore, the movable members 8 and 8 are retracted from the states shown in FIGS. 6, 8 and 9 to the states shown in FIGS. 10, 11 and 12, and the states shown in FIGS. The movable members 8 and 8 advance to the states shown in FIGS. 6, 8 and 9 and return to their original positions.

Further, in this case, a concave portion 8a is formed at the abutting end portion of the one movable member 8 and a rectangular tubular elastic member 14a is attached to the concave portion 8a.
An elastic member may be provided at the abutting end portions of both movable members 8a.

Further, in this case, the fitting mechanism 13 capable of closing the space between the movable members 8 and 8 is provided, that is, the concave portions 8a are formed at the abutting ends of the one movable member 8 and the other movable member 8, respectively. . 8a is formed, and one of the concave portions 8a is formed.
The square tubular elastic member 14a is attached to the plate-shaped elastic member 14b and the plate-shaped elastic member 14b is attached to the other concave portion 8a so that the elastic member 14a fits into the other concave portion 8a in the closed state of the folding door body 2. I am configuring.

Since this embodiment has the above structure,
When the folding door body 2 is pulled from the closed state of FIGS. 1 and 2, the rotating door plate 3 is rotated by the pin hinge portion 6 toward the front side, and the movable door plate 4 is guided by the guide portion 7 and moves along the opening. Then, when the rotary door plate 3 and the movable door plate 4 in FIGS. 3 and 4 are bent to the front side to be in the open state, and when the folding door body 2 is pushed to the back side from the closed state in FIGS. 1 and 2. , The rotary door plate 3 is rotated by the pin hinge portion 6 to the rear side, and the movable door plate 4 is guided by the guide portion 7 to move along the opening, so that the rotary door plate 3 and the movable door plate 4 in FIG. The door is bent into the open state, that is, has a double-opening structure that can be bent in both the front and back directions. At this time, the swing door plate 3 and the movable door plate 4 are formed.
At least one of the butting ends of the movable members 8 and 8 is arranged to be movable back and forth, and an elastic pressure holding mechanism 9 capable of elastically holding the movable members 8 and 8 is provided. Even if a finger is accidentally caught between the abutting ends of the movable plate 3 and the movable door plate 4,
As shown in FIG. 10, FIG. 11 and FIG. 12, the movable members 8 and 8 will be retracted, so that the injury due to the pinching of fingers can be prevented in advance. As shown in FIG. 9, the movable members 8 and 8 are advanced and returned to their original positions, which can be used to prevent injuries due to finger packing when the folding door body 2 is bent and rotated. Can increase the safety of.

Further, in this case, as the elastic pressure holding mechanism 9, a holding shaft 10 capable of holding the movable members 8 and 8 so as to be movable back and forth is provided at the abutting end portions of the rotary door plate 3 and the movable door plate 4, respectively. Since the plate spring member 11 capable of elastically pressing the members 8 and 8 is provided, the movable members 8 and 8 can be favorably moved forward and backward, and in this case, the abutting end portions of the movable members 8 and 8 are joined. Since the elastic member 14 is provided in the above, the occurrence of injury due to finger stuffing can be more reliably prevented, and in this case, the fitting mechanism 13 that can close the movable members 8 and 8 is provided. Therefore, it is possible to reliably close the space between the abutting ends of the rotary door plate 3 and the movable door plate 4.

The present invention is not limited to the above-described embodiment, but, for example, the structure of the door frame body 1, the folding door body 2, the elastic pressure retaining mechanism 9 and the like are appropriately designed and changed. . Further, in the above embodiment, the movable members 8 and 8 are provided on the rotary door plate and the movable door plate so as to be movable back and forth, but the movable member 8 may be arranged only on one of the rotary door plate and the movable door plate, if necessary. There is also.

[0016]

As described above, according to the present invention, the movable member can be moved back and forth to at least one butting end of each of the swiveling door plate and the movable door plate. Since the elastic member is provided and an elastic pressure retaining mechanism capable of elastically retaining the movable member is provided, even if the fingers are accidentally caught between the abutting ends of the rotary door plate and the movable door plate, the movable member retreats. And then
Injuries due to fingers being caught can be prevented in advance, and when the fingers are removed, the movable member will advance and return to its original position, and the fingers will be stuffed when the folding door body is bent and rotated. It is possible to prevent injuries from occurring and improve the safety of use.

Further, in the invention according to claim 2, as the elastic pressure holding mechanism, the movable member is movably held at at least one abutting end of the abutting ends of the rotary door plate and the movable door plate. Since it is provided with a movable holding shaft and a leaf spring member capable of elastically pressing the movable member, it is possible to favorably move the movable member forward and backward.
According to the third aspect of the invention, since the elastic member is provided at the abutting end of the movable member, it is possible to more reliably prevent the injury due to finger packing, and the fourth aspect of the invention is described. In the invention, since the fitting mechanism capable of closing the movable members is provided, it is possible to reliably close the abutting end portions of the rotary door plate and the movable door plate.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of drawings]

FIG. 1 is an overall front view of a closed state according to an embodiment of the present invention.

FIG. 2 is an overall plan view of a closed state according to the embodiment of the present invention.

FIG. 3 is an overall front view of an open state according to the embodiment of the present invention.

FIG. 4 is an overall plan view of an embodiment of the present invention in an open state.

FIG. 5 is an overall plan view of the embodiment of the present invention in the open state.

FIG. 6 is a partial vertical cross-sectional view of a closed state according to the embodiment of the present invention.

FIG. 7 is a partially exploded perspective view of the embodiment of the present invention.

FIG. 8 is a partial plan cross-sectional view of a closed state according to the embodiment of the present invention.

FIG. 9 is a partial plan cross-sectional view of the embodiment of the present invention in a closed state.

FIG. 10 is a partial vertical cross-sectional view of the embodiment of the present invention.

FIG. 11 is a partial plan cross-sectional view of the embodiment of the present invention in an open state.

FIG. 12 is a partial plan cross-sectional view of an open state according to the embodiment of the present invention.

[Explanation of symbols] 1 door frame 2 folding door 3 swing door plates 4 movable door plates 6-pin hinge 7 guidance section 8 movable members 8a concave part 9 Retention mechanism 10 Holding shaft 11 Leaf spring member 13 Fitting mechanism 14a elastic member

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mitsuya Yamada             1535 Shimotanakano, Yoshida-cho, Nishikanbara-gun, Niigata Prefecture             23 Fusaya Co., Ltd. F-term (reference) 2E015 AA04 BA03 BA06 FA01

Claims (4)

[Claims] 1. A pivoting door plate of a folding door body formed by connecting a pivoting door plate and a movable door plate to a door frame body of an opening portion of a building so as to be mutually bent and pivotable by a folding connecting portion by a pin hinge portion. The movable door plate is rotatably arranged and is openably and closably movable with respect to the door frame body by a guide portion. At least one butting end of each of the rotating door plate and the movable door plate is butted. A folding door body opening / closing device, characterized in that a movable member is provided at an end portion so as to be movable back and forth, and an elastic pressure holding mechanism capable of elastically holding the movable member is provided. 2. As the elastic pressure holding mechanism, a holding shaft capable of holding a movable member in a retractable manner is provided at at least one butting end of each of the butting ends of the rotary door plate and the movable door plate. The folding door safety device according to claim 1, further comprising a leaf spring member capable of being pressed. 3. The folding door safety device according to claim 1, wherein an elastic member is provided at the abutting end of the movable member. 4. The fitting mechanism capable of closing the space between the movable members is provided.
Folding door safety device described in paragraph.