JP2018178407A - Fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting in which a door is hardly curved even if one side of the door is exposed to fire to be heated.SOLUTION: Provided is a fitting which includes an opening frame that forms an opening and a door that comprises a lock member engaging with the opening frame and is supported as rotatable at the opening frame. At the opening frame, a door end part is provided at one side in the door depth direction. The door includes a door frame which is four-lap-frame-assembled, one pair of steel-made front surface members which are provided at the indoor side and the outdoor side of the door frame and oppose to each other, and an aluminum-made edge member which is provided at a part that serves as a door end under a condition that the door is supported by the opening frame. The front surface member at one side comprises a door end protruding part which protrudes from the door frame to the door end side and is arranged at one side of the edge member in the depth direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a fitting having a door rotatably supported by an opening frame forming an opening.

As a fixture having a door rotatably supported by an opening frame forming an opening, for example,
DESCRIPTION OF RELATED ART The fitting provided with the frame which is attached to a housing and forms an opening, and the entrance door which can be opened and closed so that opening and closing is possible on the outdoor side via a hinge in a frame is known (for example, refer to patent documents 1).
The entrance door is made of iron inner and outer surface materials, hanging side, door tip side, iron core provided on upper and lower sides, core side along door side along the prospecting direction And a frame to be provided. Further, when the entrance door is closed, the peripheral end portion is in contact with the packing provided on the projecting piece which is projected to the inner peripheral side from the frame from the outdoor side.

Unexamined-Japanese-Patent No. 2015-86668

  When the entrance door described above is heated from the indoor side by a fire or the like with the indoor side as a fire source, the indoor side of the frame heat-extends more than the outdoor side. At this time, since the dead bolt and latch lock of the cylinder lock are engaged with the frame at the door tip side of the entrance door, the heated entrance door has the upper end side and the lower end side of the door tip side. There is a problem in that there is a risk that the flame on the indoor side may penetrate to the outdoor side.

  This invention is made in view of this subject, The place made into the objective is to provide the fixture in which a door does not curve easily, even if one side of a door is exposed to a flame and heated.

  In order to achieve the above object, a fitting according to the present invention includes an opening frame forming an opening for communicating the inside and the outside of the room, and a door rotatably supported by the opening frame including a lock member engaged with the opening frame. The door frame is provided with a door stop on one side of the door in the direction of view of the door, and the door has a door frame framed around four sides, and the indoor side of the door frame. And a pair of steel surface materials provided on the outdoor side and facing each other, and an aluminum edge material provided on a portion that becomes the door tip side when the door is supported by the opening frame, The surface member on the one side has a door tip protruding portion which protrudes toward the door tip side from the door frame and is disposed on the one side of the edge member in a direction in which the door material is expected.

  According to such a fixture, the door tip projection portion of the steel surface material is disposed on one side in the prospecting direction of the aluminum edge material provided on the door tip side of the door frame, so the indoor side Even if a fire occurs on one side of the edge material, the edge material is not directly exposed to the flame. For this reason, a difference in the thermal expansion amount between the indoor side and the outdoor side of the edge material hardly occurs, and the door does not easily warp, so that the door does not easily bend even if the one side of the door is exposed to flame and heated. It is possible to provide.

  The door tip projecting portion is a door tip extension portion extending in the direction of the door tip from the surface material main body portion positioned on the one side of the door frame in the surface member, and the door tip extending portion It is desirable to have a door tip opposing part which opposes an opening and a space | interval in a vision direction at intervals.

  According to such a fixture, an air gap is formed between the door tip extension portion and the door tip facing portion of the door tip protruding portion disposed on one side in the prospecting direction of the aluminum edge material. Therefore, since the heat insulating layer is formed on one side of the edge material by the air gap, heat is less likely to be transmitted to the edge material, and it is possible to suppress heat expansion on one side of the edge material and to further suppress the curvature of the door. It is.

  In such a fitting, the lock member includes a pedestal portion fixed to the door frame through the edge member, and a lock body provided so as to be able to retract from the pedestal portion, and the door tip protrudes It is preferable that the part forms a recess in which the pedestal part is recessed on the side of the suspension source together with the edge material, and covers the one side of the pedestal part accommodated in the recess.

  According to such a fitting, the pedestal portion of the lock member is covered by the toe projecting portion of the surface material on one side, and therefore, the pedestal portion is hardly visible even when the door is opened. For this reason, it is possible to provide a fitting excellent in design.

  The door tip projecting portion includes a door frame facing portion that extends to the other side in the viewing direction and faces the door frame, and the door frame facing portion includes the edge member and the door frame. It is desirable to be held between

  According to such a fixture, the door frame facing portion extended to the other side of the door tip protruding portion is held between the edge member and the door frame, so the door tip protruding portion is not easily deformed, and the edge member It is possible to arrange on the one side more reliably.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the fixture in which a door does not curve easily, even if one side of a door is exposed to a flame and heated.

It is a longitudinal cross-sectional view of the fitting concerning this embodiment. It is a cross-sectional view of the fitting which concerns on this embodiment. It is a cross-sectional view which shows the door front part of an entrance door. It is the figure which looked at the lock member provided in the door tip from the door tip side.

Hereinafter, a fixture according to an embodiment of the present invention will be described with reference to the drawings.
In the present embodiment, as shown in FIG. 1 and FIG. 2, a fixture 1 having an entrance door 3 as a door will be described as an example.

  In the following description, for example, when the fixture 1 is attached to the casing viewed from the indoor side, the vertical direction is the vertical direction, the direction of the closed front door 3 is the horizontal direction, and the indoor and outdoor Indicates the direction as a prospective direction. Moreover, about each member and each part which comprise the fitting 1, even if it is a single-piece state, the fitting 1 will be attached to a housing and it will become an up-down direction, the left-right direction, a prospect direction etc. in the state which the entrance door 3 is closing. Description will be made by specifying the direction by the direction.

  The fixture 1 of the present embodiment is framed in a rectangular shape and fixed to a housing (not shown), and can be pivoted via the hinge 10 to the opening frame 2 forming the opening 1 a communicating indoor and outdoor And the entrance door 3 supported by the

  The opening frame 2 has an upper frame 21, a lower frame 22, and left and right vertical frames 23, 24, and the upper frame 21, the lower frame 22, and the vertical frames 23, 24 A rectangular inner projection 21a, 22a, 23a, 24a is provided. In the state of being attached to the housing, the inner protrusions 21a, 22a, 23a, 24a are disposed at the same position in the perspective direction to form the same surface, and the door contact member 4 made of soft synthetic resin is provided on the outdoor side. It is done. When the front door 3 attached to the opening frame 2 is closed, the peripheral end of the front door is brought into contact with the door contact member 4 from the outdoor side. The inner protrusions 21a, 22a, 23a, 24a provided with the door contact 4 correspond to the door contact.

  The entrance door 3 is attached to the vertical frame 23 positioned on the left side in FIG. 2 among the left and right vertical frames 23 and 24 via a hinge 10, and the vertical frame 24 positioned on the right side in FIG. The receiving member 5 engaged with the latch 35a and the hook portion 35b of the lock member 35 provided at the tip of the entrance door 3 is provided. In the following description, the vertical frame located on the left side in FIG. 2 will be referred to as the hanging side vertical frame 23, and the vertical frame located on the right side in FIG.

  The entrance door 3 is disposed on the inner peripheral side of the opening frame 2 in a closed state, and is provided on the indoor side and the outdoor side of the door frame 31 made of steel and forming a rectangular shape with four frames. With a pair of facing steel surface members 32 and 33, an aluminum edge member 34 provided on the door tip side of the door frame 31 supported by the opening frame 2, and the edge member 34 And a lock member 35 fixed to the door frame 31.

  The door frame 31 includes an upper door frame 311 provided in the upper part of the front door 3, a lower door frame 312 provided in the lower part of the front door 3, a door front frame 313 provided on the door tip side of the front door 3, A hanging frame 314 provided on the hanging side of the door 3 has a U-shaped cross section. The upper door frame 311, the lower door frame 312, the door front frame 313, and the hanging source frame 314 are all joined together so that the open side of the U-shape faces the center side of the door frame 31.

  The surface material 32 provided on the outdoor side of the door frame 31 joined in a rectangular shape is bent toward the indoor side along the outer periphery of the door frame 31, and the surface material 33 provided on the indoor side Among the peripheral end portions, the upper, lower, and hanging source side portions are bent toward the outdoor side along the outer periphery of the door frame 31, and the door tip side portion is a door tip from the door frame 31. A door tip projecting portion 33a is provided which protrudes to the side, that is, the door tip side vertical frame 24 side. Here, the surface material 33 on the indoor side is located on the indoor side of the door frame 31, and a portion not projecting from the door front frame 313 toward the door front side vertical frame 24 corresponds to the surface material main body 33b.

  As shown in FIG. 3, the door tip projection 33a is a door tip extension 33c extending from the surface member main portion 33b to the door tip side on the door tip side vertical frame 24 side, and the door tip extension 33c and a door-end facing portion 33d facing each other at an interval in a prospective direction, a door-end connecting portion 33e connecting the edge on the door tip side between the door-end extending portion 33c and the door-end facing portion 33d, and the door tip facing It has a door front frame facing portion 33f as a door frame facing portion that extends outward from the edge of the suspension source side of the portion 33d and faces the potential surface 313a of the door front frame 313.

  The door front frame facing portion 33 f is in contact with the prospective surface 313 a of the door front frame 313 or in proximity to the contact front face 33 a when the indoor facing surface material 33 is attached to the door frame 31. Therefore, on the door tip side of the door front frame 313 of the entrance door 3, a gap S is formed by the door front extension 33c, the door front connecting portion 33e, the door front facing portion 33d, and the expected surface 313a.

  The edge member 34 is an extrusion-formed member, and is provided over the entire length of the entrance door 3. The edge member 34 is an outdoor door extended from the edge on the outdoor side of the door-end expected wall portion 34a provided at a distance from the expected surface 313a of the door-end frame 313 and the outdoor side of the door-end expected wall portion 34a. From the position distributed from the center of the prospective door wall portion 34a from the center in the perspective direction of the indoor door tip projecting piece 34c projecting to the perspective surface 313a side from the indoor side edge of the forefoot wall portion 34a Two projecting pieces 34d that project to the prospective surface 313a side, an outdoor extension 34e extending outward from the outdoor door tip extension 34b along the prospective direction, and a prospective surface 313a from the outdoor extension 34e An outdoor contact piece 34f which protrudes to the side and is brought into contact with the surface material 32 on the outdoor side from the outdoor side, and an outdoor member which protrudes toward the potential surface 313a between the outdoor door tip extension 34b and the outdoor contact piece 34f Door tip projection piece 34g, outdoor extension part 3 Outdoor side edge of e is extended in door leading side has, and outdoor cover 34h which covers the weather side between the entrance door 3 and the door head frame 313.

  In the edge member 34, the outdoor contact piece 34f is in contact with the surface member 32 on the outdoor side from the outdoor side, and the tips of the two projecting pieces 34d are in contact with the prospective surface 313a of the door front frame 313 A screw that is positioned and enters from the door tip side between the two projecting pieces 34 d is screwed and attached to the door tip frame 313. At this time, the edge member 34 is located on the outdoor side of the door tip protrusion 33 a of the surface member 33 on the indoor side. More specifically, the indoor door tip protruding piece 34c is in contact with the door tip facing portion 33d of the door tip protruding portion 33a or is in proximity to the extent not to be in contact.

  In addition, the outdoor door tip protruding piece 34g is abutted from the door tip side to a portion of the surface material 32 on the outdoor side that is bent to the prospective surface 313a side, and the indoor door tip protruding piece 34c is a surface material 33 on the indoor side. The door tip frame facing portion 33f of the door tip projecting portion 33a is in contact with the door tip side vertical frame 24 side. That is, in the surface material 32 on the outdoor side, the portion bent to the prospective surface 313a side is sandwiched between the outdoor door tip projecting piece 34g and the prospective surface 313a, and the door front frame facing portion of the surface material 33 on the indoor side The reference numeral 33f is sandwiched between the indoor door tip protruding piece 34c and the potential surface 313a.

  With the edge member 34 attached, at the door tip of the entrance door 3, the door tip expected wall portion 34a of the edge member 34, the outdoor door tip extension portion 34b, and the door tip facing portion 33d of the surface member 33 on the indoor side The recessed part 3a dented to the suspension source side by this is provided.

  A lock member 35 is attached to the recess 3a. The lock member 35 includes a pedestal 35c which is accommodated in the recess 3a and which is screwed to the door front frame 313 via the prospective door wall 34a, and a latch 35a and a hook 35b provided so as to be able to retract from the pedestal 35c. Have. When the front door 3 is closed, the latch 35a is engaged with the receiving member 5 provided on the vertical frame 24 on the door tip side 24 and the closed state is maintained, and the collar 35b is rotated by the key. It is configured to be locked by engaging with. With the lock member 35 attached, the pedestal portion 35c is covered by the door tip projection 33a from the indoor side.

  According to the fixture 1 of the present embodiment, the door tip projection 33a of the steel surface member 33 is disposed indoors in the prospective direction of the aluminum edge member 34 provided on the door tip side of the door frame 31 Therefore, even if a fire occurs indoors, the edge material 34 is not directly exposed to the flame. For this reason, a difference in the thermal expansion amount between the indoor side and the outdoor side of the edge member 34 does not easily occur, and the front door 3 is hardly warped. Therefore, even if the indoor side of the front door 3 is exposed to flames and heated, the front door It is possible to provide a fixture 1 in which 3 is difficult to bend.

  Further, even if a flame from the indoor side melts the door contact member 4 provided in the inner projecting portion 24a of the door front side vertical frame 24, a gap is formed between the surface member 33 on the indoor side and the inner projecting portion 24a. Even if it occurs, it is possible to prevent the edge material 34 from being heated by the door tip projection 33a provided on the indoor side of the edge material 34.

  In the above embodiment, the fire door is set to the indoor side and the fire door is set to the indoor side and the fire door is set to the indoor side as an example. Even if the door 3 is deformed so as to expand on the outdoor side, the outer periphery of the front door 3 abuts on the inner projecting portions 21a, 22a, 23a, 24a of the opening frame 2 so that the fire source is reduced. The deformation is suppressed more than in the inner case. For this reason, in the case of the fixture 1 which moves to the outdoor side and is opened, the indoor side which becomes a source of fire where deformation is larger corresponds to one side in the prospect direction where the door tip projecting portion 33a is provided. In the case of the fixture 1 which moves inward and is opened, it is desirable that the outdoor side which is a fire source causing a larger deformation be one side in the perspective direction in which the door tip protruding portion 33a is provided.

  Further, since the air gap S is formed between the door front extension 33c and the door front facing portion 33d of the door front protruding portion 33a disposed on the indoor side of the aluminum edge member 34, heat insulation is performed by the air gap S. A layer is formed and heat is less likely to be conducted to the edge material 34. For this reason, it is possible to suppress the heat | fever expansion of the indoor side of the edge material 34, and to suppress the curvature of the entrance door 3 more.

  Further, since the pedestal portion 35c of the lock member 35 is covered by the toe projecting portion 33a of the surface material 33 on the indoor side, the pedestal portion 35c is hardly visible even when the front door 3 is opened. For this reason, it is possible to provide the fitting 1 excellent also in the designability.

  Further, since the door tip frame facing portion 33f extended to the outdoor side from the door tip facing portion 33d of the door tip protruding portion 33a is held between the edge member 34 and the door tip frame 313, the door tip protruding portion 33a It is hard to deform, and it is possible to arrange on the indoor side of edge material 34 more certainly.

  In the embodiment described above, the fixture 1 including the entrance door 3 provided between the indoor and the outdoor has been described as an example, but the invention is not limited to this, and a fixture provided with a door provided between the indoor and the outdoor I don't care.

  The above embodiment is for the purpose of facilitating the understanding of the present invention, and is not for the purpose of limiting and interpreting the present invention. It goes without saying that the present invention can be modified and improved without departing from the gist thereof, and that the present invention includes the equivalents thereof.

Fittings, 1a opening, 2 opening frame, 3 entrance door, 3a recess, 4 door contacts,
24 door side vertical frame (vertical frame), 24a inside projection, 31 door frame,
33 Surface material on the indoor side, 33a door tip protrusion, 33b surface material body,
33c door tip extension portion, 33d door tip facing portion, 33f door tip frame facing portion, 34 edge material,
35 locking members, 35c pedestals,
S void

Claims (4)

An opening frame that forms an opening that communicates the inside and the outside of the room;
A door rotatably supported on the opening frame, the door having a lock member engaged with the opening frame;
A fixture that has
The door frame is provided on one side of the opening frame in the direction of the door,
The said door is the door frame framed four weeks,
A pair of steel surface materials provided on the indoor side and the outdoor side of the door frame and facing each other;
An edge member made of aluminum provided at a portion which becomes a door tip side in a state where the door is supported by the opening frame;
Have
The above-mentioned surface material on the above-mentioned one side has a door tip projection part which protrudes on the door tip side from the door frame and is arranged on the above-mentioned one side of the edge material in a direction expected. A fixture according to claim 1, wherein
The door tip projection is
In the surface material, a toe extension part extending in the direction of the door tip from the surface material main body located on the one side of the door frame;
A door tip facing portion facing the door tip extension portion at an interval in a visual direction;
A joiner characterized by having. A joiner according to claim 1 or claim 2, wherein
The lock member is a pedestal portion fixed to the door frame via the edge member;
A lock body provided so as to be able to protrude and retract from the pedestal portion;
Have
The door tip protruding portion is a recess recessed on the side of the suspension source, and a recess in which the pedestal is accommodated together with the edge material, and covers the one side of the pedestal accommodated in the recess. A fitting according to any one of claims 1 to 3, wherein
The door tip projecting portion has a door frame facing portion that is extended to the other side in the viewing direction and faces the door frame,
The fitting according to claim 1, wherein the door frame facing portion is sandwiched between the edge member and the door frame.

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