JP2015086667A - Opening device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening device capable of preventing the opening of a slave door by restricting the movement of a rod, even when the slave door is exposed to high heat.SOLUTION: An opening device 1 includes a frame body 2 framed by an upper frame 2a, a lower frame 2b, and left and right vertical frames 2c, 2d, and a master door 3 and a slave door 4 fitted into the frame body 2 and openable/closable. At least one of a top rail 44a, a bottom rail 44b and a meeting stile 44c of the slave door 4 is provided with a core material 42. At least one of the upper end and the lower end of the meeting stile 44c is provided with a rod 51 which can be fitted into a fitting part 541 of a retainer 54 provided on the upper frame 2a or the lower frame 2b, and at least one of the upper end and the lower end of the meeting stile 44c is also provided with a metal rod guide 6 which is fixed to the core material 42 and has an insertion hole 62 for the rod 51 to be inserted therethrough.

Description

  The present invention relates to an opening device. In detail, it is related with the opening part apparatus which has a main door and a child door.

  Conventionally, in an opening device having a main door and a child door incorporated in a frame body, it is known to provide a fixed lock called a French drop that locks the opening and closing of the child door. The French drop has a vertically movable rod provided at the upper and lower ends of the door side of the child door, and a receptacle that is arranged in the frame and into which the tip of the rod is inserted. The French drop locks the child door in the closed state by inserting the rod beyond the end of the child door into a receiving member disposed in the frame.

  The rod dropped in France may move with the position shifted in the horizontal direction due to the influence of the position shift generated in the main door or the frame. The deviation of the rod in the horizontal direction is regulated within the range of the opening of the rod receiver (see, for example, Patent Document 1).

JP 2002-242509 A

  It is also known to provide resin guide members at the upper and lower ends of the child door in order to reliably restrict the horizontal movement of the rod. However, when a fire occurs and the opening device is exposed to high heat, members such as resin around the rod melt and the rod may move in the horizontal direction while moving inside the child door. In this case, the position of the child door is shifted due to the movement of the rod, and even when the main door and the child door are fully closed, the combustible gas may leak from the gap generated by the movement of the child door, causing ignition. .

  An object of this invention is to provide the opening part apparatus which can control a rod's movement and can prevent a child door from opening even if it is a case where a child door is exposed to high heat.

  In order to achieve the above object, the present invention provides a frame body (for example, an upper frame, a lower frame, and left and right vertical frames (for example, an upper frame 2a, a lower frame 2b, a vertical frame 2c, and a vertical frame 2d, which will be described later)). An opening device (for example, an opening portion described later) including a frame body 2 to be described later, and a parent door and a child door (for example, a parent door 3 and a child door 4 to be described later) that are fitted in the frame body and can be opened and closed. Apparatus 1), wherein at least one of the upper lid (for example, 44a described later), the lower casing (for example, 44a described later) and the summon basket (for example, 44c described later) is a core material. (For example, a core material 42 described later), and a receiver (for example, a receiver 54 described later) provided on the upper frame or the lower frame on at least one of the upper end portion and the lower end portion of the sump bowl. A rod (for example, a fitting portion 541 described later) For example, it has a rod 51 which will be described later, and an insertion hole (for example, an insertion hole which will be described later) that is fixed to the core member and is inserted into at least one of the upper end portion and the lower end portion of the sump bowl. 62) provided with a metal rod guide (for example, a rod guide 6 described later).

According to the present invention, in an opening device comprising a frame framed by an upper frame, a lower frame, and left and right vertical frames, and a parent door and a child door fitted in the frame body, A core material is provided on at least one of the matching rods. Moreover, the rod which can be inserted in the insertion part of the receiver provided in the upper frame or the lower frame is provided in at least one of the upper end part and lower end part of the summon bowl. Further, a metal rod guide having an insertion hole that is fixed to the core member and through which the rod passes is provided on at least one of the upper end portion and the lower end portion of the summon bowl.
As a result, the movement of the rod in the horizontal direction is regulated by the insertion hole of the rod guide, and this rod guide is made of metal, so even if the child door is exposed to high temperature due to a fire, the rod guide does not melt and the rod guide Movement is restricted.

  The rod guide is preferably formed integrally with the core member.

  In the present invention, the rod guide is formed integrally with the core material. As a result, the rod guide can be easily attached, and the rod guide is unlikely to be detached or displaced.

  The rod guide has a plate-like portion (for example, a plate-like shape described later) in which the insertion hole (for example, a later-described insertion hole 62) is formed and closes an end portion of the summing rod (for example, a later-described summing rod 44c). Part 61).

  In the present invention, the rod guide is configured to include a plate-like portion in which an insertion hole is formed and which covers the end portion of the summoning bowl. Thereby, even if combustible gas distribute | circulates the inside of the summon bowl, since the edge part of the summon bowl is block | closed with a plate-shaped part, the leakage of combustible gas is suppressed.

  The child door further includes a resin edge cap (for example, an edge cap 43 to be described later) that covers the end portion of the summoning bowl, and the plate-like portion of the rod guide includes the end portion of the summing bowl and the end portion of the summing bowl. It is preferable to arrange | position between edge caps.

  In the present invention, the child door includes a resin edge cap that covers the end of the summon bowl. And the plate-shaped part of a rod guide is arrange | positioned between the edge part of a summoning bowl, and an edge cap. Thereby, the edge part of the summoning candy is block | closed with the resin-made edge cap. And since the plate-shaped rod guide is arranged between the edge cap and the summoning bowl, even if the child door is exposed to high temperature and the edge cap melts down, the end of the summoning bowl is blocked by the rod guide. Thus, leakage of the combustible gas is suppressed.

  ADVANTAGE OF THE INVENTION According to this invention, even if it is a case where a child door is exposed to high heat, the opening part apparatus which can control a movement of a rod and can prevent a child door from opening can be provided.

It is the figure which looked at the opening part device concerning this embodiment from the outdoor side. It is a longitudinal cross-sectional view of the state by which the opening part apparatus which concerns on this embodiment was stored in the opening of the housing. It is a transverse cross section of the state where the opening part device concerning this embodiment was stored in the opening of a frame. It is a disassembled perspective view of the child door 4 which concerns on this embodiment. The figure of the state which operated the French drop which concerns on this embodiment is shown.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a view of the opening device according to the present embodiment as viewed from the outdoor side.
As shown in the figure, the opening device 1 is a door such as a front door, and is housed in an opening formed in a housing (building). The opening device 1 includes a frame 2, a main door 3, and a child door 4.

  The frame 2 is framed in a rectangular shape by an upper frame 2a, a lower frame 2b, and left and right vertical frames 2c and 2d. The frame 2 is attached to the opening of the housing.

  The main door 3 is disposed on one side of the frame body 2. The main door 3 is fitted in one vertical frame 2d through a hinge 7 so that it can be opened and closed on the outdoor side (front side in the figure). A handle 13 is attached to the door end side of the main door 3.

  The child door 4 is disposed on the other side of the frame body 2. The child door 4 is fitted to the other vertical frame 2c via a hinge 7 so that it can be opened and closed on the outdoor side.

  The side surfaces of the main door 3 and the child door 4 are opposed to each other on the door end side, and serve as a main door summing surface 3a and a child door summing surface 4a, respectively.

FIG. 2 is a longitudinal sectional view of the state in which the opening device 1 according to the present embodiment is housed in the opening of the housing, and FIG. 3 is a state in which the opening device 1 according to the present embodiment is housed in the opening of the housing. FIG. In the following, left and right represent left and right viewed from the outdoor side.
The main door 3 and the child door 4 are slightly offset from the opening 80 of the housing 8 to the outdoor side and are housed in the opening 80.

  The opening 80 is partitioned and formed by a beam member 81, left and right column members 82, and an indoor floor material 83, and a frame is formed on the inner surface of the beam member 81 and the left and right column members 82. A material 84 is pasted. The frame member 84 is directly attached to the beam member 81 and the left column member 82 via the spacer 85 and directly to the right column member 82.

  Insulating materials 89 are arranged on both sides of the structural wall 88 of the housing 8 including the beam member 81 and the left and right column members 82. A spacer 85 is disposed between the indoor heat insulating material 89 and the housing 8, and a spacer 85 is also disposed between the outdoor heat insulating material 89 and the exterior material 90. A sealing material 91 is interposed between the exterior material 90 and the frame body 2.

  The flooring 83 is disposed on the indoor side and the outdoor side. The flooring 83 has a decorative material 86 and a mortar 87. The indoor floor material 83 and the outdoor floor material 83 are arranged with a predetermined level difference (for example, 20 mm or less) corresponding to the level difference of the lower frame 2b described later.

  The upper frame 2 a constituting the frame body 2 includes a main body frame portion 20 a and an attachment piece portion 20 b extending from the main body frame portion 20 to the indoor side. The main body frame portion 20 a is formed in a square cross section (hollow structure), and its lower surface faces the upper surfaces of the main door 3 and the child door 4. The attachment piece 20 b extends from the main body frame 20 a and is coupled to the beam member 81 by a screw 93.

  The lower frame 2b constituting the frame body 2 includes a main body piece portion 21a and an attachment piece portion 21b. The main body piece portion 21 a is formed in an L-shaped cross section corresponding to the floor material 83 having a step (strictly, mortar 87), and the upper surface thereof faces the lower surfaces of the main door 3 and the child door 4. The attachment piece 21b extends upward from the rear end of the main body piece 21a. An anchor 97 is assembled across the main body piece 21 a and the attachment piece 21 b and is embedded in the mortar 87.

  As shown in FIG. 3, the vertical frame 2c on the suspension side of the child door 4 constituting the frame body 2 includes a main body frame portion 22a and an attachment piece portion 22b extending from the main body frame portion 22a. The main body frame 22 a is formed in a square cross section (hollow structure), and its right side faces the left side of the child door 4. And the hinge 7 is interposed between the left side surface of the main body frame part 22a and the left side surface of the child door 4 over three places of an up-down direction (refer FIG. 1). The attachment piece 22 b is attached to the column member 82 with a screw 93.

  The vertical frame 2d on the suspending side of the main door 3 constituting the frame body 2 includes a main body frame portion 23a and an attachment piece portion 23b extending from the main body frame portion 23a. The main body frame 23 a is formed in a square cross section (hollow structure), and its left side faces the right side of the main door 3. And the hinge 7 is interposed over three places of the up-down direction between the left side surface of the main body frame part 23a, and the right side surface of the main door 3 (refer FIG. 1). The attachment piece 23 b is attached to the column member 82 with a screw 93.

  The upper frame 2a, the lower frame 2b, the vertical frame 2c on the door end side, and the vertical frame 2d on the hanging side are formed by extrusion molding using an aluminum material, respectively. A seal packing 92 is disposed between the frame body 2 and the main door 3 and the child door 4.

  Next, the child door 4 will be described in detail with reference to FIG. FIG. 4 is an exploded perspective view of the child door 4 according to the present embodiment. The child door 4 includes a child door body 40, a French drop 5, and a rod guide 6.

The child door body 40 includes a surface material 41, a core material 42, and an edge cap 43.
The surface material 41 is disposed so as to face the outdoor side and the indoor side when the child door 4 is attached to the frame body 2. The surface material 41 is composed of two rectangular flat members disposed on the outdoor side and the indoor side. The surface material 41 is formed of iron (meaning SUS, steel, etc., hereinafter the same). Between the two surface materials 41, a heat insulating panel formed of foamed resin (EPS) is disposed (not shown).

  The collar 44 constituting the four circumferences of the child door body 40 includes an upper collar 44a, a lower collar 44b, and a summing collar 44c. Each ridge includes a portion around the surface material 41 and a core material 42. The upper collar 44 a is located on the side extending in the width direction in the upper part of the child door body 40. The lower rod 44b is located on the side extending in the width direction in the lower portion of the child door main body 40. The summon bowl 44c is located on the summing surface 4a of the child door body 40.

  The core material 42 includes an upper core material 42a (see FIG. 5), a lower core material 42b, a suspension side vertical core material 42c (not shown), and summing core materials 42d1 and 42d2. The core member 42 is a long member disposed between the outdoor-side and indoor-side surface material 41. The core material 42 constitutes a frame surrounding the four circumferences of the surface material 41, and the length in the width direction corresponds to the thickness portion of the child door 4. For example, the lower core member 42 b includes a rectangular flat surface portion 421 and two side wall portions 422 that stand up from two sides along the longitudinal direction of the flat surface portion 421. The summing cores 42d1 and 42d2 are disposed on the summing bar 44c and have a U-shaped strike-side core 42d1 and a U-shaped strike-side reinforcement that reinforces the strike-side core 42d1. And a core material 42d2 (see FIG. 3).

  The edge caps 43 are disposed at the upper and lower ends of the summon bowl 44c. The edge cap 43 is a resin cover that protects the end of the summon bowl 44c. The edge cap 43 includes an inner portion 431, an outer portion 432, and a door stop portion 433.

The inner portion 431 is inserted into the end portion of the summoning bowl 44c. The inner portion 431 has a through hole 434 through which the rod 51 can be inserted.
The outer portion 432 is formed continuously from the inner portion 431, and is exposed to the outside along the end shape of the summoning bowl 44c.
The door holding portion 433 is a portion extending from the outer portion 432 to the indoor side of the child door 4. The door holding portion 433 is configured to be able to contact the corner of the lower end portion of the main door 3. The door portion 433 includes a rectangular flat surface portion 433a that abuts against the bottom of the corner of the main door 3, and a side wall portion 433b that rises upward from two sides of the flat portion and abuts against the corner side wall of the main door 3. Have

  The French drop 5 includes a rod 51, a lever 52, a slide mechanism 53, and a receiving tool 54. The French drop 5 is arranged on the upper and lower end sides of the summing surface 4 a of the child door 4. Hereinafter, although the French drop 5 arrange | positioned at the lower end part of the child door 4 is demonstrated, it has the same structure also in the case of an upper end part, and arrangement | positioning of each part is vertically symmetrical.

  The rod 51 is disposed inside the summoning bowl 44 c of the child door 4. The rod 51 is a cylindrical rod and can be moved up and down. When the rod 51 is moved downward, the rod 51 protrudes beyond the lower end portion of the child door 4, and the lower end portion is inserted into the frame 2. The rod 51 has a thread groove formed at one end, and the other end is rounded and chamfered. One end where the thread groove is formed is arranged on the center side in the longitudinal direction of the child door 4, and the other end is arranged facing the outside of the child door 4.

  The slide mechanism 53 is connected to the rod 51 and moves the rod 51 up and down. The slide mechanism 53 includes a holding portion 531 formed with a thread groove connected to the end portion of the rod 51, a slider 532 formed continuously with the holding portion 531, and the holding portion 531 and the slider 532 that are connected to the child door 4. And an attachment surface 533 attached to the summoning bowl 44c.

  The lever 52 is disposed on the attachment surface 533 and is connected to the slider 532 inside the attachment surface 533. When the lever 52 is moved upward (in the longitudinal direction center side of the child door 4) from the lower end portion side of the child door 4, the rod 51 is moved downward (outside of the child door 4). When the lever 52 is moved downward, the rod 51 moves upward.

  The receptacle 54 is embedded in the lower frame 2b (see FIG. 1). The receptacle 54 is a metal fitting in which a fitting portion 541 into which the rod 51 is fitted is formed. The fitting portion 541 is formed by an opening disposed on one end side and a recess formed from the opening toward the other end side. The width of this opening is formed larger than the outer diameter of the rod 51. The receiving tool 54 receives the tip of the rod 51 inserted through the frame 2 when the rod 51 protrudes from the end of the child door 4 and moves up and down.

The rod guide 6 is disposed inside the sump 44 c of the child door 4. The rod guide 6 is an iron plate-like member that covers the lower end portion of the summoning bowl 44c. The rod guide 6 has a rectangular plate-like portion 61 and an insertion hole 62 formed in the plate-like portion 61.
The plate-like portion 61 is disposed between the lower end portion of the summoning bowl 44 c and the inner portion 431 of the edge cap 43.
The insertion hole 62 is formed to have substantially the same diameter as the through hole 434 formed in the inner portion 431 of the edge cap 43.

  As shown in FIG. 4, in this embodiment, the rod guide 6 is formed integrally with the lower core member 42b. The rod guide 6 is disposed at the end in the longitudinal direction of the lower core member 42b. The rod guide 6 is formed by bending a part of the lower core member 42b so as to form an L-shaped longitudinal section from the flat portion 421 of the lower core member 42b. The surface bent in the vertical direction from the flat surface portion 421 corresponds to the thickness of the edge cap 43, and the surface spaced upward from the flat surface portion 421 and extending substantially parallel to the flat surface portion 421 constitutes the plate-shaped portion 61 of the rod guide 6. doing.

FIG. 5 shows a state in which the French drop 5 according to the present embodiment is operated.
The French drop 5 on the upper end side of the child door 4 in FIG. 5 shows an unlocked state. On the upper end side of the child door 4, the rod 51 is accommodated inside a summing bowl 44 c of the child door 4.
The French drop 5 on the lower end side of the child door 4 shows a locked state. When the lever 52 is raised upward on the lower end side of the child door 4, the rod 51 moves downward. At this time, the lower end portion of the rod 51 is restricted from moving in the horizontal direction by the insertion hole 62 of the rod guide 6 and the through hole 434 of the edge cap 43, and is inserted through the insertion hole 62 and the through hole 434. It protrudes beyond the lower end of the main body 40. The distal end portion of the rod 51 is fitted into a receiving tool 54 embedded in the frame body 2 of the opening device 1. In this state, since the rod 51 is fitted inside the frame body outside the child door 4, the child door 4 cannot be opened and is locked. When the child door 4 is in a locked state, the rod 51 is in a state of being inserted through the insertion hole 62 of the metal rod guide 6, so that the edge cap 43 melts down when the child door 4 is exposed to high heat. However, the rod 51 does not move.

According to the opening part apparatus 1 which concerns on this embodiment provided with the above structure, there exist the following effects.
In the present embodiment, in the opening device 1 including a frame body 2 framed by an upper frame 2a, a lower frame 2b, and left and right vertical frames 2c and 2d, and a main door 3 and a child door 4 fitted in the frame body 2. Summing cores 42d1 and 42d2 are provided on the summoning bowl 44c of the child door 4. Moreover, the rod 51 which can be inserted in the insertion part 541 of the holder 54 provided in the upper frame 2a or the lower frame 2b was provided in at least one of the upper end part and lower end part of the summoning basket 44c. Further, a metal rod guide 6 having an insertion hole 62 through which the rod 51 is inserted and fixed to the summing cores 42d1 and 42d2 is provided on at least one of the upper end portion and the lower end portion of the summing bowl 44c.
Thereby, the movement of the rod 51 in the horizontal direction is restricted by the insertion hole 62 of the rod guide 6, and the rod guide 6 is made of metal. Therefore, even when the child door 4 is exposed to a high temperature due to a fire, the rod guide 6 The movement of the rod 51 is restricted without melting away. Therefore, since the child door 4 is not shifted or opened, the leakage of the combustible gas is suppressed and the fire prevention performance can be improved.

  In the present embodiment, the rod guide 6 is formed integrally with the lower core member 42b. As a result, the rod guide 6 can be easily attached and the rod guide 6 is less likely to come off or be displaced.

  Further, in the present embodiment, the rod guide 6 is configured to include the plate-like portion 61 in which the insertion hole 62 is formed and closes the end portion of the summing bar 44c. Thereby, even if combustible gas distribute | circulates the inside of the summon bowl 44c, since the edge part of the summit bowl 44c is block | closed with the plate-shaped part 61, the leakage of combustible gas is suppressed.

  Moreover, in this embodiment, the child door 4 was comprised including the resin-made edge cap 43 which covers the edge part of the summon bowl 44c. Then, the plate-like portion 61 of the rod guide 6 is disposed between the end portion of the summoning bowl 44 c and the edge cap 43. As a result, the end portion of the summing bowl 44c is blocked by the resin edge cap, so that dust, gravel, soil, etc. outside the child door 4 do not enter the inside of the summing bowl 44c. It is possible to prevent the end of 44c from being damaged. And since the plate-shaped rod guide 6 is arrange | positioned between the edge cap 43 and the summoning hook 44c, even if the child door 4 is exposed to high temperature and the edge cap 43 melts down, the summing collar 44c by the rod guide 6. By closing the end of the flammable gas, leakage of the combustible gas is suppressed.

  It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.

  For example, in the above embodiment, the rod guide 6 is formed integrally with the lower core member 42b, but is not limited thereto. The rod guide 6 may be connected to any one of the core members 42 arranged around the surface material, and a separate rod guide 6 may be joined to the core member 42.

  Further, in the above embodiment, the upper core material 42a, the lower core material 42b, the hanging side vertical core material 42c, and the summing core materials 42d1 and 42d2 are arranged on the four circumferences of the surface material 41, respectively. Absent. The core material 42 should just be arrange | positioned in the position in any one of the four circumferences of the surface material 41. FIG.

DESCRIPTION OF SYMBOLS 1 Opening device 2 Frame 2a Upper frame 2b Lower frame 2c, 2d Vertical frame 3 Parent door 4 Child door 6 Rod guide 4a Summing surface 42 Core material 43 Edge cap 44a Upper collar 44b Lower collar 44c Summing collar 51 Rod 54 Receiving member 61 Plate-like part 62 Insertion hole 541 Insertion part

Claims (4)

An opening device comprising: a frame framed by an upper frame, a lower frame and left and right vertical frames; and a parent door and a child door that are fitted into the frame body and can be opened and closed,
A core material is provided on at least one of the upper, lower, and summons of the child door,
At least one of the upper end portion and the lower end portion of the summoning bowl has a rod that can be fitted into a fitting portion of a receiving device provided on the upper frame or the lower frame,
An opening device in which a metal rod guide having an insertion hole through which the rod is inserted is provided on at least one of an upper end portion and a lower end portion of the summoning bowl.   The opening device according to claim 1, wherein the rod guide is formed integrally with the core member.   The opening device according to claim 1 or 2, wherein the rod guide includes a plate-like portion in which the insertion hole is formed and closes an end portion of the summoning bowl. The child door further comprises a resin edge cap that covers an end of the summoning bowl,
The opening device according to claim 3, wherein the plate-like portion of the rod guide is disposed between an end portion of the summoning bowl and the edge cap.

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