JP4018006B2 - Pivot hinge mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mounting structure for a pivot hinge provided on a door of a building, and more particularly to a mounting structure for a pivot hinge that rotatably holds a door body and supports the load on a lower frame of a door frame.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a door of a building is used in which a door body is housed in a door frame body formed by a frame of an upper and lower frame and left and right vertical frames so as to be freely opened and closed via a pivot hinge. The pivot hinge includes a top pivot provided at the upper part of the door and a bottom pivot provided at the lower part of the door, and each of them includes an upper hinge and a lower hinge that supports the upper hinge. For example, Patent Document 1 discloses a structure of such a pivot hinge.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 9-60394
Since the bottom pivot is provided at the lower part of the door, it receives the load of the door body. In particular, the load on the door body is supported by the lower hinge of the bottom pivot. Since a large force is applied to the lower hinge of the bottom pivot when the door is installed or the pivot hinge is rotated, the lower hinge is fixed to the lower frame using a reinforcing plate or the like.
[0005]
[Problems to be solved by the invention]
However, the conventional pivot hinge mounting structure has the following problems.
The lower hinge of the bottom pivot is reinforced as described above and fixed to the lower frame. However, since the load of the door body is received only by the lower frame, a load is applied to the lower frame. It was necessary to make the material thicker or use a material with higher strength.
[0006]
Further, Patent Document 1 discloses that a reinforcing member that connects a lower hinge and a lower frame of a bottom pivot is locked to a vertical frame of a door frame to disperse a load of the door body on the lower frame and the vertical frame. Has been. However, in this case, a large force is still applied to the portion of the reinforcing member that is locked to the vertical frame, and the load cannot be sufficiently dispersed.
[0007]
The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a pivot hinge mounting structure that can distribute the load of the door body and can be received efficiently by the door frame.
[0008]
[Means for Solving the Problems]
In order to solve the above-described problems, the pivot hinge mounting structure according to the present invention is fixed to the lower hinge of the door frame formed by the upper hinge fixed to the lower portion of the door body, the upper and lower frames, and the left and right vertical frames. In the pivot hinge mounting structure comprising the lower hinge that supports the upper hinge,
The lower hinge is fixed to the lower frame via a hinge mounting member, and the hinge mounting member is inserted into the lower frame formed in a hollow cross-section and is inserted into the lower frame in the vertical direction. has a vertical frame fixing surface contacting the surface against the frame, said longitudinal frame fixing surface is configured as a feature to be fixed from the surface contact with the vertical frame side thread, by a screw or the like.
[0009]
Further, in the pivot hinge mounting structure according to the present invention, the hinge mounting member has a lower frame fixing surface that abuts against the indoor side surface and / or the outdoor side surface of the lower frame, and the lower frame fixing surface is used as the lower frame fixing surface. And is fixed by screws, screws or the like.
[0010]
Furthermore, the pivot hinge mounting structure according to the present invention is characterized in that the lower frame to which the lower hinge is fixed is provided with a lower frame cover that substantially covers the upper surface thereof .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of a door in the present embodiment, and FIG. 2 is a transverse sectional view of the door in the present embodiment. FIG. 3 is an enlarged view of the vicinity of the lower frame in FIG. In each of these drawings, the door according to this embodiment is provided with a door frame 1 at a building opening, and a door body 2 is housed in the door frame 1 via a pivot hinge 3 so as to be freely opened and closed.
[0013]
The door frame 1 is formed by providing a metal frame 10 on the outdoor side of a building opening and providing a resin member 20 on the indoor side of the metal frame 10. The metal frame 10 includes a metal upper frame 11, a metal lower frame 12, and left and right metal vertical frames 13 and 13, which are framed in a rectangular shape. Here, the frame of the metal frame 10 is formed by bringing the end surfaces of the metal upper frame 11 and the metal lower frame 12 into contact with the upper and lower portions of the metal vertical frames 13 and 13, respectively, and fixing them with screws. In addition, each frame material which comprises the metal frame 10 is an extrusion type | mold material with a cross-sectional hollow shape, and aluminum is normally used.
[0014]
The resin member 20 is composed of a resin upper frame 21 and resin vertical frames 22 and 22 and covers indoor exposed portions of the metal upper frame 11 and the metal vertical frames 13 and 13, respectively. The resin upper frame 21 and the resin vertical frames 22 and 22 are fixed by being engaged and screwed to the interior side surfaces of the metal upper frame 11 and the metal vertical frames 13 and 13, respectively. The resin member 20 is molded from vinyl chloride, acrylic resin, or the like. Thus, by covering the indoor exposed portion of the metal frame 10 with the resin member 20, the cold feeling due to the metal is concealed, and the heat insulation effect is improved by the resin having low thermal conductivity.
[0015]
The resin member 20 is not provided on the metal lower frame 12. Instead, a hull 23 is provided. The huller 23 has a flat upper surface and is substantially flush with the indoor floor. The hull 23 is made of vinyl chloride, rubber, or the like, and functions as a slip stopper on the indoor side of the door. The metal lower frame 12 has a protrusion formed on the side surface of the interior, and the protrusion has a portion extending upward at the interior and exterior end portions to form a recess. Place the pallet 23 and fix it.
[0016]
The door body 2 has a thin plate-like surface plate 2b and a back plate 2c fixed to a rectangular frame 2a, and a pivot hinge 3 is screwed to the upper and lower surfaces in the vicinity of one metal vertical frame 13, and the other metal A door tip 2d is provided on the side surface in the vicinity of the vertical frame 13. The pivot hinge 3 is also fixed to the metal frame 10 and supports the pivot hinge 3 of the door main body 2 so as to be rotatable, so that the door main body 2 can be opened and closed. An airtight material is provided at the tip of the door tip 2d of the door body to ensure the airtightness of the gap between the door body 2 and the metal vertical frame 13.
[0017]
The pivot hinge 3 includes a top pivot 30 provided at the upper part of the door and a bottom pivot 40 provided at the lower part of the door. Further, the top pivot 30 includes an upper hinge 31 fixed to the door frame 1 side and a lower hinge 32 fixed to the door body 2 side. The bottom pivot 40 includes an upper hinge 41 fixed to the door body 2 side and a lower hinge 42 fixed to the door frame 1 side.
[0018]
FIG. 4 shows an attachment diagram of the upper hinge 31 and the lower hinge 32 constituting the top pivot 30. The lower hinge 32 of the top pivot 30 fixed to the door body 2 has a rotation shaft 32a, and the rotation shaft 32a is hooked on the insertion groove 31a of the upper hinge 31 fixed to the door frame 1, thereby The pivot 30 is rotatable. The upper hinge 31 of the top pivot 30 is substantially covered by the upper cover 33, and the lower hinge 32 is substantially covered by the lower cover 34 so that the top pivot 30 is not directly exposed. The upper hinge 31 of the top pivot 30 is screwed to the metal upper frame 11 of the door frame 1 from the screw hole 31b via the reinforcing plate 11a.
[0019]
As shown in FIG. 2, the upper hinge 41 of the bottom pivot 40 has a bearing portion 41a, while the lower hinge 42 has a rotating shaft 42a. By supporting the bearing portion 41a of the upper hinge 41 by the rotating shaft 42a of the lower hinge 42, the bottom pivot 40 is made rotatable. The upper hinge 41 of the bottom pivot 40 is substantially covered by the upper cover 43, and the lower hinge 42 is substantially covered by the lower cover 44 so that the bottom pivot 40 is not directly exposed.
[0020]
Here, the load of the door body 2 is substantially supported by the bottom pivot 40 located at the lower portion of the door, and the lower hinge 42 receives a large load of the door body 2. On the other hand, since the top pivot 30 is rotatable by hooking the rotation shaft 32a of the lower hinge 32 on the insertion groove 31a of the upper hinge 31, it only serves as an auxiliary when the door body 2 is opened and closed. . Therefore, in particular, the lower hinge 42 of the bottom pivot 40 needs to have sufficient strength, and the mounting structure for the door frame 1 needs to be considered. Next, the attachment structure of the lower hinge 42 of the bottom pivot 40 will be described in detail.
[0021]
A hinge mounting member 50 for fixing the lower hinge 42 of the bottom pivot 40 is provided inside the metal lower frame 12 having a hollow cross section. The hinge attachment member 50 is screwed to the metal lower frame 12 and the metal vertical frame 13 and fixes the lower hinge 42 of the bottom pivot 40 by screwing. As a result, the lower hinge 42 of the bottom pivot 40 is fixed to the metal lower frame 12 and the metal vertical frame 13 via the hinge mounting member 50.
[0022]
Detailed views of the hinge mounting member 50 are shown in FIGS. As shown in these drawings, the hinge mounting member 50 is formed in a substantially rectangular flat plate shape, and includes a fixed surface in which a part of its peripheral edge is raised substantially vertically. One of the short sides is raised upward to form a vertical frame fixing surface 51, and this vertical frame fixing surface 51 has screw holes 53, 53 at two locations.
[0023]
On the other hand, one of the long sides is partly raised upward to form a lower frame fixing surface 52a, and a screw hole 53 is provided in the lower frame fixing surface 52a. The other part is raised downward, and when the hinge mounting member 50 is inserted into the metal lower frame 12, the lower end abuts against the lower surface inside the metal lower frame 12. The other of the long sides is raised upward substantially over the entire length to form a lower frame fixing surface 52b, and three screw holes 53, 53 are provided in the lower frame fixing surface 52b. Further, the hinge mounting member 50 has four screw holes 53, 53 in a flat plate-like portion.
[0024]
A structure for attaching the lower hinge 42 and the hinge attachment member 50 of the bottom pivot 40 to the metal lower frame 12 will be described with reference to FIG. The lower frame fixing surface 52a of the hinge attachment member 50 is in surface contact with the outdoor side surface inside the metal lower frame 12, and is fixed by screws 54 from the metal lower frame 12 side. The lower frame fixing surface 52b of the hinge mounting member 50 is in surface contact with the interior side surface inside the metal lower frame 12, and is fixed by screws 54 from the metal lower frame 12 side. The lower hinge 42 of the bottom pivot 40 inserted into the metal lower frame 12 is fixed to the screw holes 53 and 53 provided in the flat plate-like portion of the hinge mounting member 50 by the mounting screws 4 and 4.
[0025]
That is, as described above, the lower hinge 42 of the bottom pivot 40 is fixed to the metal lower frame 12 via the hinge mounting member 50. The hinge mounting member 50 and the metal lower frame 12 are fixed because the lower frame fixing surfaces 52a and 52b of the hinge mounting member 50 are in surface contact with the metal lower frame 12 and are screwed. The load from the hinge 42 can be distributed and received over a wide area.
[0026]
A structure for attaching the lower hinge 42 of the bottom pivot 40 and the hinge attachment member 50 to the metal vertical frame 13 will be described with reference to FIG. The vertical frame fixing surface 51 of the hinge mounting member 50 is substantially flush with the end surface 12d that contacts the metal vertical frame 13 of the metal lower frame 12, and is in surface contact with the metal vertical frame 13 and the metal vertical frame 13 It is fixed by a screw 54 through a screw hole 53 from the side. Further, the lower hinge 42 of the bottom pivot 40 is inserted into the metal lower frame 12 through a rectangular insertion hole 12 b provided on the outdoor side surface of the metal lower frame 12. 4 is fixed.
[0027]
That is, as described above, the lower hinge 42 of the bottom pivot 40 is fixed to the metal vertical frame 13 via the hinge mounting member 50. Since the hinge mounting member 50 and the metal vertical frame 13 are fixed by screwing together with the surface contact by the vertical frame fixing surface 51, it is attached to the lower hinge 42 of the bottom pivot 40 together with the fixing to the metal lower frame 12. Such a load can be distributed and received over a wide area by the metal lower frame 12 and the metal vertical frame 13.
[0028]
Screw insertion holes 12c and 12c are provided on the upper surface of the metal lower frame 12 in order to insert mounting screws 4 and 4 for fixing the lower hinge 42 of the bottom pivot 40 to the hinge mounting member 50 into the metal lower frame 12. It has been. In order not to expose these, a lower frame cover 60 is provided on the upper surface of the metal lower frame 12. The lower frame cover 60 is formed to have a length that covers substantially the entire length of the metal lower frame 12 in the longitudinal direction. An engaging portion 61 for fixing is provided. Further, the lower frame cover 60 is screwed and fixed to the metal lower frame 12 at several places in the longitudinal direction. Thus, by providing the lower frame cover 60 over substantially the entire length in the longitudinal direction of the metal lower frame 12, the upper surface of the metal lower frame 12 can be covered continuously to form a lower frame with excellent design.
[0029]
FIG. 8 shows an assembly perspective view of the attachment of the lower hinge 42 of the present embodiment. In this figure, the metal vertical frame 13 is omitted. The hinge mounting member 50 is inserted into the metal lower frame 12 in advance, and the lower frame fixing surfaces 52a and 52b are brought into surface contact with the outdoor side surface and the indoor side surface inside the metal lower frame 12, respectively. It has stopped. In addition, the vertical frame fixing surface 51 of the hinge mounting member 50 is substantially flush with the metal vertical frame side end surface 12d of the metal lower frame 12. The vertical frame fixing surface 51 is screwed from the metal vertical frame 13 side by screw holes 53 and 53.
[0030]
With the hinge mounting member 50 thus inserted into the metal lower frame 12, the lower hinge 42 of the bottom pivot 40 is inserted into the metal lower frame 12 from the insertion hole 12 b of the metal lower frame 12. In addition, the lower hinge 42 is screwed to the hinge mounting member 50 by the mounting screws 4 and 4 inserted from the screw insertion holes 12 c and 12 c of the metal lower frame 12. Thus, when the lower hinge 42 of the bottom pivot 40 is fixed to the metal lower frame 12 and the metal vertical frame 13, the lower frame cover 60 is fixed to the upper surface of the metal lower frame 12 by engagement and screwing.
[0031]
Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be variously applied within the scope of the technical idea. For example, in the present embodiment, one door main body 2 is accommodated in the door frame 1, but two door main bodies 2 are accommodated, and the mounting structure of the present invention is applied to the pivot hinge 3 to fix the double hinge. It can also be a door. In this embodiment, the door frame 1 and the door body 2 are heat insulating doors in which a resin member is disposed on the indoor side. However, the type of the door is not limited thereto, and the door frame 1 and the door main body 2 can be used for doors made only of metal. The invention can be applied. Further, in the present embodiment, the lower hinge 42 and the hinge mounting member 50 of the bottom pivot 40 are fixed to the metal lower frame 12 and the metal vertical frame 13 by screws, but the fixing method is not limited to using screws. You may fix using fasteners, such as a screw.
[0032]
【The invention's effect】
As described above, according to the present invention, the lower hinge is fixed to the lower frame via the hinge mounting member, and the hinge mounting member has the vertical frame fixing surface that comes into surface contact with the vertical frame. By fixing to the frame with screws, screws, etc., the load of the door body can be received not only by the lower frame of the door frame but also by the vertical frame and in a wide area. Can be distributed efficiently. Therefore, it is not necessary to change the material of the door frame to one having a high strength or to make it thick. Further, even when a large load is applied to the lower hinge during transportation or construction of the door, it can be received in a distributed manner by the lower frame and the vertical frame.
The lower frame is formed in a hollow cross section, and the hinge mounting member is inserted into the lower frame and fixed to the vertical frame with screws, screws, etc., thereby forming a floor in the mounting structure portion of the lower hinge. Since concrete or the like does not enter, the lower hinge can be detachable.
[0033]
According to the present invention, the hinge mounting member has a lower frame fixing surface that comes into surface contact with the indoor side surface and / or the outdoor side surface of the lower frame, and the lower frame fixing surface is fixed to the lower frame with screws, screws or the like. As a result, the load of the door body is received by the indoor side surface and / or the outdoor side surface of the lower frame, so that the load of the door body can be more efficiently distributed.
[0035]
Furthermore, according to the present invention, the lower frame to which the lower hinge is fixed is provided with a lower frame cover that substantially covers the upper surface thereof, so that the mounting screw for mounting the lower hinge to the hinge mounting member can be inserted. Since the insertion hole of the lower frame can be covered with the lower frame cover and the upper surface of the lower frame can be made continuous, the design of the lower frame of the door frame can be improved.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a door in the present embodiment.
FIG. 2 is a cross-sectional view of a door in the present embodiment.
FIG. 3 is an enlarged view of the vicinity of a lower frame in FIG.
FIG. 4 is a mounting view of a top pivot in the present embodiment.
FIG. 5 is a left side view of a hinge mounting member in the present embodiment.
FIG. 6 is a front view of a hinge mounting member in the present embodiment.
FIG. 7 is a view showing a pivot hinge mounting structure in a connecting portion between a lower frame and a vertical frame of the present embodiment.
FIG. 8 is an assembled perspective view of attachment of the lower hinge of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Door frame 2 Door main body 3 Pivot hinge 4 Mounting screw 10 Metal frame 11 Metal upper frame 12 Metal lower frame 13 Metal vertical frame 20 Resin member 21 Resin upper frame 22 Resin vertical frame 23 Shackle 30 Top pivot 31 Upper pivot 31a Insertion Groove 32 Lower pivot 32a Rotating shaft 40 Bottom pivot 41 Upper pivot 41a Bearing portion 42 Lower pivot 42a Rotating shaft 50 Hinge mounting member 51 Vertical frame fixing surfaces 52a, 52b Lower frame fixing surface 60 Lower frame cover 61 Engagement piece

Claims (3)

In a pivot hinge mounting structure comprising an upper hinge fixed to the lower part of the door body and a lower hinge fixed to the lower frame of the door frame formed by a frame of the upper and lower frames and the left and right vertical frames, and supporting the upper hinge.
The lower hinge is fixed to the lower frame via a hinge mounting member, and the hinge mounting member is inserted into the lower frame formed in a hollow cross-section and is inserted into the lower frame in the vertical direction. has a vertical frame fixing surface contacting the surface against the frame, said longitudinal frame fixing surface mounting structure of the pivot hinge from the face abutting the vertical frame side thread, characterized in that it is fixed by screws or the like.   The hinge mounting member has a lower frame fixing surface that comes into surface contact with the indoor side surface and / or the outdoor side surface of the lower frame, and the lower frame fixing surface is fixed to the lower frame with screws, screws, or the like. The pivot hinge mounting structure according to claim 1. 3. The pivot hinge mounting structure according to claim 1, wherein the lower frame to which the lower hinge is fixed is provided with a lower frame cover that substantially covers an upper surface of the lower frame.

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