JP2016035152A - Retainer and folding door device including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a retainer capable of preventing jar generation when opening/closing a folding door and a folding door device including the same.SOLUTION: A retainer 1 which rotatably retains a vertical frame side end of a door tail side door panel 6 of a folding door 4, includes: a door panel side member 20 made of metal, which is fixed to the lower end part of the vertical frame side end of the door tail side door panel; a vertical frame side member 10 made of metal from which a retainer piece 13 protrudes from the lower end part of a fixed piece 11 fixed to a width face 3a of the vertical frame 3 therealong; and a jar prevention member 30 made of resin, which is disposed to cover entire of an outer peripheral face of a shaft part 14 provided at one of the retainer pieces of the door panel side member and the vertical frame side member, and which is inserted into a shaft bearing hole 22a formed in the other thereof.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a holder that rotatably holds a vertical frame side end of a folding door on the door butt side, and a folding door device including the holder.

DESCRIPTION OF RELATED ART Conventionally, holding tools, such as a fixing pin and a bearing member, which hold | maintain rotatably the lower end side of the vertical frame side edge part of the door butt side doorplate of a folding door are known. Such a holder is generally fixed to a floor or the like with a stopper such as a screw or a nail. However, if the floor to be fixed is a concrete finish, tile finish, carpet finish, or a structure in which a thin floor material is stuck on the concrete base, the retainer is placed on the floor side with a stopper. It may be difficult to fix to.
For example, in the following Patent Document 1, a lower pivot shaft is provided on the upper surface of the horizontal arm of an L-shaped bracket fixed to an opening frame, and a bearing unit having a bearing hole into which the lower pivot shaft is fitted is referred to as a door panel. A folding door embedded in the lower corner is disclosed.

JP 2012-41688 A

  However, since the lower pivot shaft and the bearing unit constituting the holder as described above are made of metal, there is a problem that they are rubbed against each other during opening and closing, and a squeaking noise is likely to occur. In particular, in public facilities such as hospitals and welfare facilities where it is often difficult to fix the retainer with the above-mentioned fasteners, it is necessary to increase the effective opening width so that wheelchairs can easily enter and exit. There is a possibility that the folding door becomes heavier and the above-mentioned stagnation noise becomes prominent.

  This invention is made | formed in view of the said situation, and it aims at providing the holder which can suppress generation | occurrence | production of the squeaking sound at the time of opening and closing of a folding door, and a folding door apparatus provided with the same.

  In order to achieve the above object, a holder according to the present invention is a holder that rotatably holds a vertical frame side end portion of a door butt side door plate of a folding door, and the vertical frame side end of the door butt side door plate. A metal door plate side member fixed to the lower end portion of the portion, and a metal vertical frame side member projecting the holding piece portion from the lower end portion of the fixed piece portion fixed along the expected surface of the vertical frame; Resin that is arranged so as to cover the entire outer peripheral surface of the shaft portion provided on one of the holding piece portions of the door plate side member and the vertical frame side member, and is inserted into the bearing hole provided on the other side And a stagnation sound suppressing member made of a metal.

  Moreover, in order to achieve the said objective, the folding door apparatus which concerns on this invention is the vertical frame side edge of the folding door which foldably connected the door tip side door plate and the door bottom side door plate, and the door bottom side door plate of this folding door. And a holder according to the present invention that rotatably holds the portion.

  Since the holder according to the present invention and the folding door device including the holder are configured as described above, it is possible to suppress the generation of squeaking noise when the folding door is opened and closed.

The partial fracture | rupture outline which abbreviate | omitted the part corresponding to the XX arrow in FIG.4 (b) typically showing an example of the holder which concerns on one Embodiment of this invention, and a folding door apparatus provided with the same. It is a longitudinal cross-sectional view. (A) is a schematic exploded perspective view which shows typically an example of the holder, (b) is a schematic perspective view of the holder. (A) is a partially broken schematic longitudinal cross-sectional view in which a part corresponding to FIG. 1 is omitted, and (b) is a part corresponding to YY line arrow in FIG. 4 (a) is omitted. A partially broken schematic longitudinal sectional view, (c) is a schematic exploded perspective view schematically showing an example of a door plate side member provided in the holder. (A) is a partially broken schematic front view schematically showing a state in which the folding door apparatus is installed, and (b) is a part in which a part corresponding to the ZZ line view in (a) is omitted. It is a fracture | rupture schematic cross-sectional view.

Embodiments of the present invention will be described below with reference to the drawings.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in the following embodiment, directions, such as an up-down direction, are demonstrated on the basis of the state which constructed | assembled the holder which concerns on this embodiment, and the folding door apparatus provided with the same.

1-4 is a figure which shows typically an example of the holder which concerns on this embodiment, and a folding door apparatus provided with the same.
As shown in FIGS. 1 and 4, the holder 1 according to the present embodiment is configured to rotatably hold the vertical frame side end of the door bottom side door plate 6 of the folding door 4. The folding door device A according to the present embodiment includes the holder 1, and the folding door 4 in which the door tip side door plate 5 and the door butt side door plate 6 are foldably connected to each other.

As shown in FIG. 4, the door frame in which the folding door 4 is built includes a pair of vertical frames 3 and 3 that are provided so as to partition both sides of the entrance and exit (opening width direction) of the entrance and exit that are opened and closed by the folding door 4. And an upper frame 2 provided so as to partition the upper side. In the illustrated example, the door frame is shown as a three-way frame with the lower side of the doorway being the floor surface. This floor surface may be a concrete finish, a tile finish, a carpet finish, or the like, or may be constituted by a thin floor material stuck on a concrete base.
The upper frame 2 is provided with an upper rail 2 c that suspends and supports the door-end side door plate 5 of the folding door 4. Further, the upper frame 2 is provided with a concave groove 2a (see FIG. 1) that opens downward and receives the upper rail 2c so as to extend in the longitudinal direction. The upper rail 2c may be configured to support a roller or the like of a runner member 5a provided at the upper end portion of the door-end side door plate 5 so as to roll along the longitudinal direction of the upper rail 2c. For example, it is good also as the upper rail 2c made into the substantially U shape (substantially U shape or substantially C shape) whose vertical cross-sectional shape opens toward the downward direction.

A door-to-door portion is provided on the side of the pair of vertical frames 3, 3 that are facing each other on the expected surface (3 a) side. In the example of the figure, an example in which a door stop is provided at a substantially central portion in the expected direction of each of the vertical frames 3 and 3 is shown.
In addition, you may provide a latch receptacle (strike), a lock receptacle, etc. in the vertical frame 3 of the door tip side of a pair of vertical frames 3 and 3 according to the structure of the folding door 4, etc. FIG.
Further, in the illustrated example, the vertical frames 3 and 3 and the upper frame 2 are illustrated as fixed frame shapes, but may be a so-called casing frame shape having frames on both sides in the expected direction.
The vertical frames 3 and 3 and the upper frame 2 may be provided in the folding door device A. That is, the folding door device A may be configured to include the holder 1, the folding door 4, and the door frame in which the folding door 4 is built.

As shown in FIG. 4B, the folding door 4 closes the doorway with the door-end side door plate 5 and the door-end side door plate 6 deployed, while the door-end side door plate 5 and the door-end side door plate 6 are closed. The doorway is opened in the folded state.
In the present embodiment, the folding door 4 is a so-called parent-child door type in which the door width dimension of the door-end side door panel 5 is larger than the door width dimension of the door-end side door panel 6. Moreover, in this embodiment, it is set as the structure which connected the connection side edge parts of the door-end side door board 5 and the door bottom side door board 6 so that folding and unfolding were possible by a pair of upper and lower connecting members 4a and 4a.
In the illustrated example, the upper and lower connecting members 4a and 4a are connected to the upper and lower connecting members 4a and 4a so that the door plates 5 and 6 are rotatable about an axis (vertical axis) along the vertical direction. , 6 are provided so as to straddle each other on the connecting end portions at the upper end and the lower end. Instead of such a mode, for example, the door plates 5 and 6 may be connected by a hinge or the like.

The door bottom side door plate 6 is configured such that its vertical frame side end is rotatably held around a shaft portion 14 (18) along the vertical direction by a holder 1 described later.
A runner member 5 a guided and supported by the upper rail 2 c is connected and fixed to the upper end portion of the door-end side door plate 5. The runner member 5a has a dimension along the door width direction from the connecting member 4a serving as the folding fulcrum, and a dimension along the door width direction from the connecting member 4a to the shaft portion 14 (18) serving as the rotation fulcrum of the door bottom side door plate 6. It is provided in the middle part of the door width direction of the door-end side door plate 5 so as to have substantially the same dimensions. Moreover, the runner member 5a is connected to the door end side door plate 5 so as to be rotatable about an axis along the vertical direction. With such a configuration, the door-end side door plate 5 is configured to move along the upper rail 2c while rotating around the axis of the runner member 5a with folding and unfolding of the folding door 4. Further, the door end side door plate 5 is provided with a handle portion that is handled when the folding door 4 is opened and closed.

  In addition, the folding door apparatus A which concerns on this embodiment is good also as what is installed in public facilities, such as a hospital and a welfare facility where it is difficult to fix the holder 1 to a floor side with a fastener. Moreover, the effective opening width dimension in the state which opened the folding door 4 is good also as what was made into the comparatively big dimension so that a wheelchair, a both-cane user, etc. can enter and exit easily. For example, you may comprise the said folding door apparatus A so that the effective opening width dimension in the state which opened the folding door 4 may be 800 mm or more, Preferably, it is 900 mm or more.

As shown in FIG. 1, the holder 1 is made of a metal door plate side member 20 fixed to a lower end portion of a vertical frame side end portion of the door bottom side door plate 6, and an expected surface 3 a of the vertical frame 3 on the door bottom side. And a metal vertical frame side member 10 in which a holding piece portion 13 is projected from a lower end portion of a fixed piece portion 11 that is fixed along the same. In addition, the holder 1 is arranged so as to cover the outer peripheral surface of the shaft portion 14 provided on one of the holding piece portions 13 of the door plate side member 20 and the vertical frame side member 10 over the entire circumference. It is provided with a resin squeaking noise suppressing member 30 that is inserted into a bearing hole 22a.
In the present embodiment, the holder 1 is made of a metal door plate upper end member 20A that is fixed to the upper end portion of the vertical frame side end portion of the door bottom side door plate 6, and a metal upper portion that is fixed to the upper frame 2 side. The frame side member 15 is provided. Further, the holder 1 is arranged so as to cover the outer peripheral surface of the shaft portion 18 provided on one of the door plate upper end side member 20A and the upper frame side member 15 over the entire circumference, and is provided on the other side. It is set as the structure provided with the squeaking sound suppression member 30A inserted in the bearing hole 22a.
That is, in this embodiment, the holder 1 is configured to hold the upper end side and the lower end side of the end portion on the vertical frame side of the door bottom side door plate 6 so as to be rotatable around the shaft portions 14 and 18.

Moreover, in this embodiment, the shaft part 14 of the lower end side of the door butt side door board 6 is provided in the holding piece part 13 of the vertical frame side member 10, and the shaft part 18 of the upper end side of the door butt side door board 6 is provided as the upper frame. The upper frame side member 15 is fixed to the second side. That is, the shaft portions 14 and 18 are respectively received, and the bearing holes 22a and 22a to which the squeaking noise suppressing members 30 and 30A are respectively attached are respectively used as the door plate lower end side member 20 and the door plate upper end side member 20A as the door plate side members. The configuration is provided in
In the present embodiment, the shaft portion 14 provided on the vertical frame side member 10 and the shaft portion 18 provided on the upper frame side member 15 have substantially the same size and shape.
Moreover, in this embodiment, the door-plate lower end side member 20 and the door-plate upper end side member 20A shall consist of the same member made into the mutually same structure. Further, the squeaking noise suppressing member 30 inserted into the bearing hole 22a of the door plate lower end side member 20 and the squeaking noise suppressing member 30A inserted into the bearing hole 22a of the door plate upper end side member 20A are made of the same member. It is supposed to be.

As shown in FIGS. 1 and 2, the fixed piece portion 11 and the holding piece portion 13 of the vertical frame side member 10 are each formed into a thin plate shape. The vertical frame side member 10 has a configuration in which the fixed piece portion 11 and the holding piece portion 13 are provided in a substantially orthogonal shape, and is substantially L-shaped when viewed in the expected direction.
The fixed piece portion 11 is arranged with the thickness direction along the thickness direction (frontage direction) of the vertical frame 3 on the door butt side, and the expectation in the front side of the door contact portion of the vertical frame 3 on the door butt side is expected. It is fixed to the surface 3a by a stopper 9 such as a screw. The fixing piece 11 is provided with a stopper insertion hole 12 through which the stopper 9 is inserted so as to penetrate in the thickness direction. In the example shown in the figure, the fixed piece portion 11 is provided with a plurality of stopper insertion holes 12 at intervals in the vertical direction and the direction along the frontage direction. The stopper insertion hole 12 may have a long hole shape or the like so that the vertical frame side member 10 can be adjusted in the vertical direction or the expected direction with respect to the expected surface 3a of the vertical frame 3.

The holding piece portion 13 is provided so as to be continuous with the lower end portion of the fixed piece portion 11, and is arranged with the thickness direction along the vertical direction. In the illustrated example, the holding piece 13 is assumed to have a semicircular protruding curved shape when viewed in the vertical direction. The holding piece 13 is disposed in proximity to or in contact with the floor surface.
The shaft portion 14 is provided so as to protrude upward from the holding piece portion 13 that is formed into a thin plate shape, and has a substantially cylindrical shape. The shaft portion 14 is provided on the holding piece portion 13 so as to be at an appropriate position with a space in the door width direction from the expected surface 3a of the vertical frame 3 on the door bottom side. In the illustrated example, an example is shown in which a shaft portion 14 is provided at the front end side portion in the protruding direction of the holding piece 13. Further, in the illustrated example, an engaging hole for fitting an engaging convex portion provided in the shaft portion 14 as a separate member is provided in the holding piece portion 13, and a fixing member for fixing the engaging convex portion of the shaft portion 14 is provided. The holding piece portion 13 is provided on the back surface (lower surface) side. Moreover, the example which provided the recessed part of the downward opening shape formed so that this fixing member might be received in the back surface side of the holding piece part 13 is shown. In addition, it is good also as an aspect which replaced with such an aspect and provided the axial part 14 in the holding piece part 13 integrally.

As shown in FIGS. 1 and 2, the upper frame side member 15 has a configuration in which a shaft portion 18 is provided so as to protrude downward from a block-shaped main body portion. The shaft portion 18 is arranged so as to be coaxial with the shaft portion 14 of the vertical frame side member 10 on the lower end side. The shaft portion 18 may be capable of protruding and retracting in the axial direction with respect to the block-shaped main body portion and biased by a biasing member such as a spring in the protruding direction.
The upper frame side member 15 is fixed by a stopper 9 so as to be fitted into a concave groove 2 a provided in the upper frame 2. The upper frame side member 15 is fixed to the upper frame 2 so that the shaft portion 18 is exposed to the lower side than the upper rail 2c. In the illustrated example, the engaging convex portion 16 fitted into the engaging recess 2 b provided on the groove bottom side of the concave groove 2 a of the upper frame 2 is directed upward from the block-shaped main body portion of the upper frame side member 15. The example provided so that it may protrude is shown. Further, in the illustrated example, the engagement convex portion 16 is provided coaxially with the shaft portion 18.

Further, a stopper insertion hole 17 through which the stopper 9 is inserted is provided in the upper frame side member 15 so as to penetrate in the vertical direction. In the illustrated example, stopper insertion holes 17 and 17 are provided on both sides of the engaging projection 16 and the shaft 18 of the upper frame side member 15, respectively.
In addition, you may make it provide the notch which receives the upper frame side member 15 in the top-plate part of the upper rail 2c.
Also, in the illustrated example, the upper frame side member 15 is arranged such that the end surface of the block-shaped main body portion on the door butt side of the vertical frame 3 is in contact with or close to the expected surface 3a of the door ridge side vertical frame 3. It is configured to be attached to the upper frame 2.

As shown in FIGS. 1 and 2, the squeaking noise suppressing member 30 is configured to have a shaft insertion hole 33 for receiving the shaft portion 14. The shaft insertion hole 33 has an inner diameter corresponding to the outer diameter of the shaft portion 14 such that the inner peripheral surface is in contact with or close to the outer peripheral surface of the shaft portion 14 over the entire circumference. The outer diameter is substantially the same. In the present embodiment, the shaft insertion hole 33 is provided so as to penetrate the squeaking noise suppressing member 30 in the axial direction. In addition, it replaces with the aspect which penetrated the shaft insertion hole 33 in this way, and it is good also considering the squeaking sound suppression member 30 as a bottomed cylindrical shape.
The squeaking noise suppressing member 30 has a dimension along the axial direction (vertical direction) substantially the same as the dimension along the axial direction of the shaft part 14 so as to cover the outer peripheral surface of the shaft part 14 over the entire circumference. Yes. In addition, the dimension along the axial direction of the squeaking noise suppressing member 30 may be slightly larger or smaller than the dimension along the axial direction of the shaft portion 14.

Moreover, in this embodiment, the squeaking noise suppressing member 30 is provided over the entire circumference at a cylindrical portion 31 to be inserted into a bearing hole 22a, which will be described later, and an opening peripheral side end portion of the bearing hole 22a in the cylindrical portion 31. And a hook-like portion 32 that comes into contact with the peripheral edge of the opening of the bearing hole 22a. That is, the stagnation sound suppressing member 30 has a substantially hat shape.
The cylindrical portion 31 has a circular outer shape when viewed in the axial direction, and is coaxial (concentric) with the shaft insertion hole 33. In this embodiment, as a configuration in which a chamfered portion is provided so as to be tapered toward the front side in the insertion direction at the end portion on the side opposite to the opening in the insertion direction of the cylindrical portion 31 into the bearing hole 22a. Yes.
In addition, the outer diameter of the cylindrical portion 31 is a dimension corresponding to the inner diameter of the bearing hole 22a, and is substantially the same as the inner diameter of the bearing hole 22a. Moreover, the thickness dimension along the radial direction of the peripheral wall portion of the cylindrical portion 31 may be an appropriate size from the viewpoint of strength, the viewpoint of suppressing squeaking noise, and the like.

The flange-shaped part 32 is provided so as to protrude in the radial direction from the opening peripheral side end part (vertical outer side peripheral end part) on the distal side in the insertion direction of the cylindrical part 31 into the bearing hole 22a. Yes. In the present embodiment, the outer shape of the bowl-shaped portion 32 is circular when viewed in the axial direction, and is coaxial (concentric) with the cylindrical portion 31.
The outer diameter of the hook-shaped portion 32 may be set to an appropriate size so as to cover the vicinity of the opening peripheral edge of the bearing hole 22a. Moreover, the thickness dimension along the axial direction of the hook-shaped part 32 may be an appropriate dimension from the viewpoint of strength, the viewpoint of suppressing squeaking noise, and the like. In the illustrated example, the diameter of the peripheral wall part of the cylindrical part 31 An example in which the dimension is larger than the thickness dimension along the direction is shown.
The outer shape of the bowl-shaped portion 32 is not limited to a circular shape when viewed in the axial direction, and may be a polygonal shape or the like.

Moreover, in this embodiment, as shown in FIG. 2 (a) and FIG. 3 (a), (b), the engagement part provided in the door-plate lower end side member 20 in the cylindrical part 31 of the squeaking sound suppression member 30 was carried out. A protrusion 34 that engages with the joint 22c is provided so as to protrude in the radial direction.
The protruding portion 34 is provided so as to protrude in the radial direction from the outer peripheral surface of the cylindrical portion 31. In the present embodiment, the protruding portion 34 is provided in the middle of the cylindrical portion 31 in the axial direction. In other words, the protrusion 34 is provided with a space in the axial direction from the bowl-shaped portion 32. The dimension along the axial direction from the hook-shaped part 32 to the protruding part 34 is a dimension according to the dimension along the axial direction from the opening peripheral edge of the bearing hole 22a of the door plate lower end side member 20 to the engaged part 22c. Yes.
Further, the projecting dimension of the projecting portion 34 is such that the squeaking noise suppressing member 30 inserted into the bearing hole 22a is not intended to be detached while the projecting portion 34 is engaged with the engaged portion 22c of the door plate lower end side member 20. It is good also as a suitable dimension so that may be suppressed.

In the present embodiment, a plurality of protrusions 34 are provided at intervals in the circumferential direction of the cylindrical portion 31. In the illustrated example, an example is shown in which two projecting portions 34, 34 having the same configuration are provided at equal intervals in the circumferential direction of the cylindrical portion 31.
Further, in the illustrated example, the protrusions 34 and 34 are provided so as to extend in the circumferential direction, and as viewed in the circumferential direction, a substantially trapezoidal shape that is tapered toward the front end side in the protruding direction is illustrated. Instead of such a mode, the protrusions 34 and 34 may have a substantially semicircular shape, a substantially triangular shape, a substantially rectangular shape, or the like when viewed in the circumferential direction.

Further, in the present embodiment, the protrusions 34 and 34 are configured so as to appear and disappear in the radial direction with respect to the outer peripheral surface of the cylindrical portion 31 with elastic deformation around the protrusions 34 and 34. In the illustrated example, slit-like openings 35, 35 extending in the vertical direction are provided on both sides in the circumferential direction of the projection 34 on the peripheral wall portion of the cylindrical portion 31, and the projection 34 is elastically deformed at both the upper and lower sides. It has a structure that appears and disappears.
The aspect in which the protrusion 34 can be projected and retracted in the radial direction with elastic deformation around the protrusion 34 is not limited to the above example, and may be an aspect in which openings are provided on both upper and lower sides of the protrusion 34. . Further, in place of the aspect in which the protrusion 34 can be protruded and protruded in the radial direction with elastic deformation around the protrusion 34, the protrusion 34 as a separate member is provided in the cylindrical portion 31 so as to protrude and protrude in the radial direction. It is good also as such an aspect.
Moreover, it is good also as a structure which provided the 3 or more projection part 34 at intervals in the circumferential direction of the cylindrical part 31, and it is good also as a structure which provided the single projection part 34 further. In this case, it is good also as an aspect which provided the projection part 34 over the perimeter of the cylindrical part 31. FIG.

  The stagnation sound suppressing member 30 configured as described above may be formed of a synthetic resin material having good wear resistance and slidability. For example, the squeaking noise suppressing member 30 may be made of polyacetal (POM), polytetrafluoroethylene (PTFE), polyetheretherketone (PEEK), polyphenylene sulfide (PPS), or the like. Further, the stagnation sound suppressing member 30 may be formed from an oil-containing plastic such as an oil-containing POM in which oil is contained in a synthetic resin material.

As shown in FIG. 1, the door plate lower end side member 20 has a lower end of the vertical frame side end portion of the door bottom side door plate 6 so that the shaft portion 14 of the vertical frame side member 10 can be received in the bearing hole 22a. It is fixed to the part by a stopper 9.
As shown in FIGS. 1 to 3, the door plate lower end side member 20 is elongated in the door width direction of the door bottom side door plate 6, and the stopper 9 is inserted into each of both ends in the longitudinal direction. The stopper insertion holes 24c and 24c are provided.
Moreover, this door-plate lower end side member 20 is attached so that it may be accommodated in the downward-opening-shaped accommodation recess 7 provided in the lower end part of the vertical frame side edge part of the door bottom side door plate 6.

In this embodiment, as shown in FIG. 3, the door plate lower end side member 20 is configured to include a plurality of plate-like members 21, 22, 23, and 24, and is a plate fixed to the door bottom side door plate 6. The position of the bearing hole 22a with respect to the shaped members 21 and 24 in the door width direction can be adjusted. In the present embodiment, the adjustment member 22 provided with the bearing hole 22a and moved in the door width direction by the operation of the operation unit 25 is provided with the cover member 21 provided on both the upper and lower sides of the adjustment member 22 and fixed to the door bottom side door plate 6. The base member 24 is held between the base members 24. Moreover, in this embodiment, the movement suppression member 23 which suppresses the movement of the adjustment member 22 position-adjusted in the door width direction is provided in the door-plate lower end side member 20. As shown in FIG.
Moreover, in this embodiment, it is set as the structure which the adjustment member 22 moves to a door width direction with rotation of the operation part 25 rotated about the axis along an up-down direction. That is, the operation unit 25 and the adjustment member 22 are provided with a mechanism for converting a rotational motion into a linear motion. In the present embodiment, the operating portion 25 is provided with a rotating disk-like cam 26, and the adjustment member 22 is provided with a cam receiving hole 22b whose inner peripheral surface is a cam action surface.

The adjustment member 22 has a substantially rectangular flat plate shape that is long in the door width direction. A bearing hole 22a is provided in one side of the adjustment member 22 in the longitudinal direction so as to penetrate in the thickness direction. Further, in the present embodiment, an annular convex portion is provided so as to protrude over the entire circumference of the opening peripheral portion of the bearing hole 22a on the outer side surface in the vertical direction (the surface facing the floor side or the ceiling side) of the adjustment member 22. It has a configuration.
Further, a cam receiving hole 22b that penetrates in the thickness direction and has a long hole shape (rounded rectangular shape) in the door thickness direction is provided in the other side portion of the adjustment member 22 in the longitudinal direction.
The operation unit 25 is arranged so as to protrude from the lower end surface of the door bottom side door panel 6 so that the door bottom edge member 20 is attached to the receiving recess 7 of the door edge side door panel 6 so as to be rotatable. Is done. In the example shown in the figure, the operation unit 25 has a hexagonal shape. The operation portion 25 is provided with an engagement shaft 25 a that is inserted into an engagement hole 26 a provided in the cam 26. The engagement shaft 25a has a D-cut shape so that the cam 26 rotates around the operation portion 25. The engagement hole 26a of the cam 26 has a shape corresponding to the engagement shaft 25a. It is provided at a position shifted from the center of the circle.

In addition, the distal end side of the engagement shaft 25 a of the operation portion 25 passes through the operation portion hole 24 b provided in the base member 24 and is fixed to the retaining member 27 in a state where the door plate lower end side member 20 is assembled. Is done.
The engaging shaft 25a of the operation portion 25 is arranged so as to be coaxial with the center of one semicircle in the door thickness direction of the cam receiving hole 22b of the adjusting member 22. The outer diameter of the cam 26 is a diameter corresponding to the short diameter of the cam receiving hole 22b of the adjusting member 22. As the cam 26 rotates, the adjusting member 22 (bearing hole 22a) moves in the door width direction. It is configured. Note that the mechanism for moving the adjustment member 22 in the door width direction in accordance with the rotation of the operation unit 25 is not limited to such a cam mechanism, and various mechanisms such as a rack and a pinion can be employed.

  The cover member 21 provided on the opening side of the housing recess 7 of the door bottom side door plate 6 is elongated in the door width direction. The cover member 21 has an approximately hat shape when viewed in the door thickness direction so that a recess that accommodates the adjustment member 22 is formed in the middle in the longitudinal direction toward the bottom surface side of the accommodation recess 7. Has been. The dimension along the door width direction of the recess of the cover member 21 is such that the adjustment member 22 can move in the door width direction so that the adjustment member 22 can move in the door width direction, as shown in FIG. The dimension is larger than the dimension along. Further, an operation portion in which a shaft insertion hole 21a through which the cylindrical portion 31 of the squeaking noise suppressing member 30 is inserted and a proximal end side of the engagement shaft 25a of the operation portion 25 are inserted in the middle portion of the cover member 21 in the longitudinal direction. The service hole 21b is provided so as to penetrate in the thickness direction. The shaft insertion hole 21a is configured to receive the annular convex portion of the adjustment member 22 described above. Further, caulking holes 21c and 21c are provided at both ends in the longitudinal direction of the cover member 21 so as to penetrate in the thickness direction.

The base member 24 provided on the bottom surface side of the housing recess 7 of the door bottom side door plate 6 is elongated in the door width direction. The base member 24 is opened in the middle in the longitudinal direction toward the bottom surface side of the housing recess 7, and the retaining member 27, the shaft portion 14, and a part of the squeaking noise suppressing member 30 (the cylindrical portion 31) are provided. It is made into a substantially hat shape when viewed in the door thickness direction so that a receiving recess is formed.
A portion in the middle of the base member 24 in the longitudinal direction is configured to be inserted into a recess in the cover member 21 so as to cover the opening side of the recess in the portion in the middle of the cover member 21 in the longitudinal direction. Further, in the middle part of the base member 24 in the longitudinal direction, the shaft insertion hole 24a through which the cylindrical portion 31 of the squeaking noise suppressing member 30 is inserted and the distal end side of the engagement shaft 25a of the operation unit 25 are inserted. The hole 24b is provided so as to penetrate in the thickness direction. The shaft insertion hole 24a of the base member 24 and the shaft insertion hole 21a of the cover member 21 allow movement of the cylindrical portion 31 of the squeaking noise suppression member 30 inserted through the bearing hole 22a of the adjustment member 22 in the door width direction. In the door width direction, it has a long hole shape.

Further, on both sides of the base member 24 in the longitudinal direction of the longitudinal direction of the base member 24, there are provided compatible wall portions that rise toward the cover member 21 so as to suppress the movement of the adjustment member 22 in the door thickness direction. Yes.
Further, on both ends in the longitudinal direction of the base member 24, there are provided eyelet-shaped caulking projections that are inserted into the caulking holes 21c, 21c of the cover member 21 and caulked, and the above-described stopper insertion holes are provided. 24c and 24c are comprised by this crimping protrusion. The door plate lower end side member 20 accommodates the adjusting member 22 and the movement restraining member 23 between the base member 24 and the cover member 21 and inserts the caulking projections into the caulking holes 21c and 21c, and is assembled by caulking. In addition, as an assembly mode of the door-plate lower end side member 20, it is good also as an assembly mode by fasteners, such as a screw, welding etc., and various deformation | transformation are possible for others.

The movement suppressing member 23 is configured to suppress the movement of the adjusting member 22 by pressing the adjusting member 22 against one of the cover member 21 and the base member 24. In the present embodiment, the movement suppressing member 23 has a leaf spring shape and is provided between the base member 24 and the adjusting member 22. As in the cover member 21 and the base member 24, the movement suppression member 23 is inserted through the shaft insertion hole 23a through which the cylindrical portion 31 of the squeaking noise suppression member 30 is inserted and the distal end side of the engagement shaft 25a of the operation portion 25. The operation portion hole 23b is provided so as to penetrate in the thickness direction.
Further, in the illustrated example, the movement suppressing member 23 is bent such that the central portion in the door thickness direction protrudes toward the base member 24, and the bent portions are formed as the shaft insertion hole 23a and the operation portion hole 23b. It is set as the structure provided over the whole door width direction except the site | part in which was formed.

When the bent portion of the movement suppressing member 23 presses the adjusting member 22 against the cover member 21, a space for receiving the protruding portion 34 of the squeaking noise suppressing member 30 is formed on the base member 24 side of the adjusting member 22. Accordingly, the stepped engaged portion 22c with which the protruding portion 34 of the squeaking noise suppressing member 30 engages is formed along the circumferential direction at the opening peripheral portion of the bearing hole 22a of the adjustment member 22 on the base member 24 side. It is formed. Note that the engaged portion 22c with which the protrusion 34 of the squeaking noise suppressing member 30 engages is not limited to such an aspect, and an engagement recess provided at a suitable location such as the inner peripheral surface of the bearing hole 22a. Good.
The squeaking noise suppression member 30 described above is inserted into the bearing hole 22a of the door plate lower end side member 20 fixed to the lower end portion of the door bottom side door plate 6 so as to fit the cylindrical portion 31, and the protrusion 34 is connected to the door plate lower end. The side member 20 is attached to be engaged with the engaged portion 22c.

As shown in FIGS. 1 and 2, the door plate upper end member 20 </ b> A has a structure in which the door plate lower end member 20 is turned upside down, and is capable of receiving the shaft portion 18 of the upper frame side member 15 in the bearing hole 22 a. In this way, the upper end of the vertical frame side end of the door bottom side door plate 6 is fixed by a stopper 9.
The door plate upper end side member 20A is attached so as to be accommodated in the upward opening-shaped accommodation recess 8 provided at the upper end portion of the vertical frame side end portion of the door bottom side door plate 6 in the same manner as the door plate lower end side member 20. It is done.
Further, the same squeaking noise suppressing member 30A is attached to the bearing hole 22a of the door plate upper end side member 20A.

The holder 1 according to the present embodiment and the folding door apparatus A including the same can suppress the generation of squeaking noise when the folding door 4 is opened and closed by adopting the above-described configuration.
That is, it is set as the structure provided with the metal vertical frame side member 10 which made the holding piece part 13 protrude from the lower end part of the fixed piece part 11 fixed so that the expectation surface 3a of the vertical frame 3 may be followed. Therefore, as described above, the vertical frame side member 10 of the holder 1 that rotatably holds the lower end side of the door bottom side door plate 6 can be used as the vertical frame 3 even when the holder 1 is a floor that is difficult to fix. Can be fixed to.
Moreover, in one of the holding piece part 13 of this vertical frame side member 10 and the metal door board side member (door board lower end side member) 20 fixed to the lower end part of the vertical frame side edge part of the door bottom side door board 6. A resin-made squeaking noise suppressing member 30 is provided so as to cover the outer peripheral surface of the provided shaft portion 14 over the entire circumference and inserted into the bearing hole 22a provided on the other side. Therefore, it is possible to suppress the generation of squeaking noise caused by rubbing between the shaft portion 14 of each metal member and the bearing hole 22a when the folding door 4 is opened and closed. Thereby, it becomes suitable as the holder 1 which hold | maintains the lower end side of the door butt side door board 6 of the folding door 4 which is installed in public facilities, such as a hospital and a welfare facility, and tends to become comparatively heavy.

  Moreover, in this embodiment, the squeaking noise suppressing member 30 (30A) is placed over the entire circumference at the cylindrical portion 31 inserted into the bearing hole 22a and the opening peripheral side end of the bearing hole 22a in the cylindrical portion 31. And a hook-shaped portion 32 that is provided and abuts against the opening periphery of the bearing hole 22a. Therefore, the squeaking noise suppressing member 30 can be attached by inserting the cylindrical portion 31 into the bearing hole 22a and bringing the flange-shaped portion 32 into contact with the opening periphery of the bearing hole 22a. Further, the hook-shaped portion 32 is prevented from coming off, and the movement of the squeaking noise suppressing member 30 in the axial direction with respect to the bearing hole 22a can be suppressed. Further, rubbing between the periphery of the base end portion of the shaft portion 14 (18) and the opening peripheral edge of the bearing hole 22a can be suppressed, and generation of squeaking noise can be more effectively suppressed. In addition, you may make it not provide such a hook-shaped part 32 in the squeaking sound suppression member 30 (30A).

  Moreover, in this embodiment, the protrusion part 34 engaged with the to-be-engaged part 22c provided in the cylindrical part 31 of the squeaking sound suppression member 30 (30A) at the door-plate lower end side member 20 (door-plate upper end side member 20A). Are provided so as to protrude in the radial direction. Therefore, the stagnation noise suppressing member 30 (30A) can be attached relatively firmly to the bearing hole 22a, and unintended detachment can be suppressed. Instead of such a mode, the protrusion 34 may be pressed against the inner peripheral surface of the bearing hole 22a. Further, such a protrusion 34 may be attached to the squeaking noise suppressing member 30 (30A). It may not be provided.

  Moreover, in this embodiment, the metal door-plate upper end side member 20A fixed to the upper end part of the vertical frame side edge part of the door bottom side door plate 6 and the metal upper frame side member 15 fixed to the upper frame side are demonstrated. And it is set as the structure provided with 30 A of same squeaking sound suppression members attached to one of these. Therefore, it is possible to suppress the generation of squeaking noise on the upper end side of the door bottom side door plate 6.

  Moreover, in this embodiment, the door-plate lower end side member 20 and the door-plate upper end side member 20A shall consist of the mutually same member. Therefore, the member fixed to each of the upper end side and the lower end side of the door bottom side door plate 6 can be used as a common member, and the handleability can be improved. Further, bearing holes 22a and 22a to which the squeaking noise suppressing members 30 and 30A are respectively attached are provided in the door plate lower end side member 20 and the door plate upper end side member 20A. Therefore, it is possible to attach the squeaking noise suppressing members 30 and 30A to the folding door 4 side. For example, it is necessary to attach the squeaking noise suppressing member 30A to the upper frame side member 15 fixed to the upper frame side. Compared with this, the workability can be improved.

In the present embodiment, the door plate lower end side member 20 and the door plate upper end side member 20A are fixed to the door butt side door plate 6 in the door width direction of the bearing holes 22a and 22a with respect to the door butt side door plate 6. However, the present invention is not limited to such an embodiment. The door plate lower end side member 20 and the door plate upper end side member 20A may be configured such that the position adjustment of the bearing holes 22a and 22a is disabled, and various other modifications are possible. In this case, the door plate lower end side member 20 and the door plate upper end side member 20A may not be configured to include a plurality of plate members.
Moreover, in this embodiment, the axial parts 14 and 18 are provided in the vertical frame side member 10 and the upper frame side member 15, and the example which provided the bearing holes 22a and 22a in the door-plate lower end side member 20 and the door-plate upper end side member 20A is shown. However, these may be provided on the opposite side. That is, it is good also as a structure which provided the bearing holes 22a and 22a in the vertical frame side member 10 and the upper frame side member 15, and provided the axial parts 14 and 18 in the door-plate lower end side member 20 and the door-plate upper end side member 20A.
Moreover, in this embodiment, although the example which made the door-plate lower end side member 20 and the door-plate upper end side member 20A consist of mutually the same member is shown, it is good also as what consists of a mutually different member.

Moreover, in this embodiment, although the example provided with the structure provided with the upper frame side member 15 fixed to the upper frame side of the door butt side doorplate 6 is shown, the structure similar to the vertical frame side member 10 of a lower end side is shown. It is good also as a structure provided with the vertical frame side member 10 of the upper end side made.
Further, in the present embodiment, the holder 1 is provided with a door plate upper end side member 20 </ b> A and an upper frame side member 15 (vertical frame side member 10 on the upper end side) that rotatably holds the upper end side of the door bottom side door plate 6. Although it is configured, these may not be provided. In this case, you may make it provide the member which hold | maintains the upper end side of the door butt side door board 6 rotatably. For example, a mode in which a runner member that is held on the upper rail 2c and cannot be moved in the longitudinal direction with respect to the upper rail 2c is provided on the upper end side of the door butt side door plate 6 may be used. Can be adopted.

DESCRIPTION OF SYMBOLS A Folding door apparatus 1 Holder 10 Vertical frame side member 11 Fixed piece part 13 Holding piece part 14 Shaft part 15 Upper frame side member 18 Shaft part 20 Door plate lower end side member (door plate side member)
20A Door plate upper end side member 22a Bearing hole 22c Engaged portion 30, 30A Stagnation sound suppressing member 31 Cylindrical portion 32 Haze portion 34 Projection portion 2 Upper frame 3 Vertical frame 3a Expected surface 4 Folding door 5 Door end side door plate 6 Door bottom Side door plate

Claims (6)

A holding tool for rotatably holding the vertical frame side end of the door butt side door plate of the folding door,
A metal door plate side member fixed to the lower end portion of the vertical frame side end portion of the door bottom side door plate;
A metal vertical frame side member that protrudes the holding piece from the lower end of the fixed piece fixed along the expected surface of the vertical frame;
It is arranged to cover the outer peripheral surface of the shaft portion provided on one of the holding piece portions of the door plate side member and the vertical frame side member over the entire circumference, and is made of resin inserted into the bearing hole provided on the other side A squeak noise suppression member,
A holding tool characterized by comprising: In claim 1,
The squeaking noise suppressing member is provided over the entire circumference of a cylindrical portion inserted into the bearing hole and an opening peripheral side end of the bearing hole in the cylindrical portion, and is in contact with the peripheral edge of the bearing hole. And a holder. In claim 2,
The cylindrical portion of the squeaking noise suppressing member is provided with a protrusion that engages with an engaged portion provided on the door plate side member so as to protrude in the radial direction. Ingredients. In any one of Claims 1 thru | or 3,
Metal door plate upper end side member fixed to the upper end portion of the vertical frame side end portion of the door bottom side door plate,
A metal upper frame side member fixed to the upper frame side;
The first to third parts are arranged so as to cover the outer peripheral surface of the shaft portion provided on one of the upper end side member and the upper frame side member over the entire circumference, and are inserted into a bearing hole provided on the other side. The stagnation sound suppressing member according to any one of
A holding tool characterized by further comprising: In claim 4,
The door plate lower end member and the door plate upper end member as the door plate side member are made of the same member, and are provided with the bearing holes to which the squeaking noise suppressing members are respectively attached. A holding tool characterized by. A folding door in which the door-end side door plate and the door-end side door plate are connected in a foldable manner;
The holder according to any one of claims 1 to 5, wherein the vertical frame side end portion of the door butt side door plate of the folding door is rotatably held;
A folding door device characterized by comprising:

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