JP5762341B2 - Double door with built-in door closing order adjuster - Google Patents

Description

  The present invention provides an opening frame provided with left and right vertical frames that pivotally support the front closing door and the rear closing door of a double door, and an upper frame (between panels) installed between upper portions of the vertical frames. A base installed in a fixed state with respect to the frame, and a rotation coupled to the base so as to be rotatable around an axis in the vertical direction and urged so as to protrude from the upper frame toward the door opening direction. A moving arm, and temporarily restricts the closing operation of the rear closing door by bringing the tip of the rotating arm into contact with the rear closing door, and the rotating arm is in the direction opposite to the protruding direction at the tip of the first closing door. For a double door with built-in door closing order adjuster configured to allow the closing operation of the rear closing door by pushing it back to, for example, in order to prevent the spread of fire at the time of a wall opening in a building or underground mall It is used as a steel fire door.

  As a door closing order adjuster that closes two doors that swing and open around the pivot axis in the vertical direction in order, as shown in Patent Documents 1 to 6, it is fixed to the upper frame of the opening frame. A base installed in a state, and a pivot arm connected to the base so as to be pivotable about a vertical axis and biased so as to protrude from the upper frame toward the door opening direction. The rear end of the moving arm is brought into contact with the rear closing door to temporarily restrict the closing operation of the rear closing door, and the rear arm is closed by pushing the rotating arm back in the direction opposite to the protruding direction at the front end of the first closing door. The door closing order adjuster configured to allow the door closing operation is the most common and widely adopted in many double doors.

  However, in this type of conventional door closing order adjuster, as described in Patent Documents 1 to 6, the front end portion (roller) of the rotating arm is the door surface on the door closing direction side of the rear closing door. It was comprised so that the closing operation | movement of a rear closing door might be controlled by making it contact | abut.

  Therefore, it is necessary to install the door closing order adjuster on the upper frame (between panel) so that it protrudes to the side of the door surface of the double doors. If you want to install it in a state of being concealed visually by the panel), the upper frame's prospect (depth dimension) must be set larger than the door thickness by the volume required to store the door closing order adjuster. A step was formed between the door surface and the upper frame (interpanel), and a slim appearance in which the door surface and the interpanel were flush with each other could not be obtained.

  Even if the door check (door closer) is a concealed door check that does not expose fittings and fittings, the door check is placed within the thickness of the double doors. Even if it is devised so that it cannot be seen from the outside, there is a step between the door surface and the balustrade panel above it, so it is possible to realize a fire door that is excellent in design and integrated with the door and the balustrade panel. There was no.

JP 2007-197909 A JP 2007-154001 A JP 2004-143865 A JP-A-11-166340 JP-A-10-196216 Japanese Utility Model Publication No. 6-45031

  The present invention has been made in view of the above-mentioned problems, and the object of the present invention is to provide a fire door that is excellent in design with an integrated door surface and an interpane panel above the door surface. It is an object of the present invention to provide a double door with a door closing order adjuster incorporated therein.

  In order to achieve the above object, the technical measures taken by the present invention are as follows. That is, the double doors incorporating the door closing order adjuster according to the first aspect of the present invention include a left and right vertical frame that pivotally supports the front closing door and the rear closing door of the double door and the upper portion of the vertical frame. The front and back surfaces of the upper frame and the front and rear surfaces of the front and rear closing doors of the opening frame having an upper frame installed on the front frame are formed to be flush with each other on the top surfaces of the front and rear closing doors. A step is formed so that the door tip side is lower than the pivot axis side, and at least the door tip side upper surface portion that is lowered is provided with a rising plate portion that rises flush with the door surface on the door opening direction side, A base portion installed in a fixed state with respect to the upper frame, and connected to the base portion so as to be rotatable around a vertical axis, and urged so as to protrude from the upper frame toward the door opening direction. A pivoting arm, and the tip of the pivoting arm is on the door closing direction side of the rising plate The closing operation of the rear closing door is temporarily restricted by bringing it into contact with the side surface, and the closing operation of the rear closing door is allowed by pushing the rotating arm back in the direction opposite to the protruding direction at the tip of the first closing door. The door closing order adjuster configured as described above is provided in a state of being stored within the thickness of the door at a position facing the upper surface of the upper end of the upper frame.

  The invention according to claim 2 is a double door with the door closing rank adjuster according to claim 1 incorporated therein, wherein an opening is formed in the upper surface of the pivot shaft core side where the front closing door and the rear closing door are raised. The concealed door check main body is fitted in each of these openings, and the front door and the rear door are closed on the lower surface of the upper frame and the position of the door closing order adjuster. An opening is formed at a position biased toward the pivot axis, and a guide rail of a slide shoe connected to the main body is fitted in each of the openings.

  According to the first aspect of the present invention, a step is formed on the upper surfaces of the front and rear closed doors such that the front end side of the door is lower than the pivot axis side, and the lower end of the door front side is opened. A rising plate portion that rises flush with the door surface on the direction side is provided, and the tip of the rotating arm of the door closing order adjuster is brought into contact with the side surface of the rising plate portion on the door closing direction side so that the rear closing door Since the closing operation is temporarily restricted, the upper frame (between panels) has the same thickness as the door even though both the front and back surfaces are flush with the front and rear doors. It becomes possible to store the door closing order adjuster, and it is possible to obtain an integrated and slim appearance in which the door surface and the space panel are flush with each other.

  The invention according to claim 1 is a door check (door closer), in a state where the door is closed, a standard type in which a waist folding link connecting the door check main body and the door protrudes from the door surface in a right angle direction, or the door is closed. In the state, it is possible to carry out by adopting a parallel type surfaced door check in which the waist folding link is folded in parallel with the door surface. However, as in the invention according to claim 2, the conshielded door check is performed. Adopted, an opening is formed in the upper surface of the pivot axis side of the raised pivot door, and the main body of the conshielded door check is fitted in each of these openings. The opening is formed at a position on the lower surface of the upper frame and deviated toward the pivot axis side of the front closing door and the rear closing door with respect to the position of the door closing order adjuster. Connected to If the guide shoe of the ride shoe is fitted in, the door check and the door closing rank adjuster both fit within the thickness of the door when the door is closed, and the fittings are not visible from the outside. Since there is no step between the door surface and the upper panel, it is possible to realize a fire door that is excellent in design and integrated with the door and the panel.

It is a vertical side view of the double doors according to the present invention. It is a schematic plan view which shows the state where the double doors open. It is a schematic plan view of the double doors showing the state where the closing operation of the rear closing door is temporarily restricted by the door closing order adjuster. It is a schematic plan view of a double door which shows the state where restriction | limiting of the closing operation | movement of the rear closing door by a door closing order adjuster was cancelled | released. It is a schematic plan view which shows the state in which the double doors are closed. It is a vertical side view of the principal part showing the state where the closing operation of the rear closing door is temporarily restricted by the door closing order adjuster. It is a vertical side view of the principal part which shows the storing state of a door closing order adjuster. It is a vertical side view of the principal part which shows the operating state of a conshield type door check. It is a vertical side view of the principal part which shows the storing state of a conshield type door check. It is a vertical side view of the principal part of the upper frame which shows the state before attaching a door check main body and a door closing order adjuster. It is a vertical side view of the principal part of a door. It is a perspective view of the principal part of the steel-frame frame which forms the framework of a door upper surface.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1 to FIG. 5, reference numeral 1 denotes a double door with a door closing order adjuster 2 and a conshielded door check 3, which is configured as a steel fire door that fire-proofs the room and the hallway. In this double door 1, as shown in the drawing, left and right vertical frames 5 a and 5 b that pivotally support the front closing door 4 a and the rear closing door 4 b, respectively, and an upper frame constructed between the upper portions of the vertical frames 5 a and 5 b. The front and back surfaces of the upper frame 6 and the front and back surfaces of the front closing door 4a and the rear closing door 4b in the gate-shaped opening frame provided with the (column panel) 6 are formed to be flush with each other. Specifically, the thickness of the front closing door 4a and the rear closing door 4b is about 50 mm, and the prospect (depth dimension) of the upper frame (inter-panel) 6 is made to coincide with the thickness of the door. P is a door pivot, 7 is a frame floor, 8 is a flooring, and 9 is a ceiling.

  As shown in FIGS. 7 to 9, 11, and 12, the upper end 10 of the front closing door 4 a and the rear closing door 4 b are bent by a steel plate frame 11 that is a framework of the upper surface of the door. A step H is formed so that the side is lower than the pivot axis side, and at least the door tip-side upper surface portion 10a is provided with a door surface on the door opening direction side (a door surface facing the room in the illustrated example) and a surface. A rising plate portion 12 rising in a single shape is provided, and an opening 13 for fitting the main body 22 of the conshielded door check is formed in the raised pivot axis side upper surface portion 10b.

  As shown in FIG. 2, the door closing order adjuster 2 is rotatable about a vertical axis with respect to the base 14 and a base 14 installed in a fixed state with respect to the upper frame 6. And a rotating arm 15 biased by a spring (not shown) so as to protrude from the upper frame 6 toward the door opening direction.

  As shown in FIGS. 3 and 6, the roller 16 pivoted on the tip of the rotating arm 15 is brought into contact with the side face of the rising plate 12 on the door closing direction side to close the rear closing door 4b. As shown in FIG. 4, the rear closing door 4b is closed by directly pushing the rotating arm 15 back in the direction opposite to the protruding direction by the plate 17 provided at the tip of the first closing door 4a. It is configured to allow movement, and is stored in the depth dimension of the upper frame 6 at a position facing the door tip side upper surface portion 10a of the upper frame 6, in other words, the thickness of the door. It is provided in a state of being stored inside.

Reference numeral 18 denotes a door stop frame fixed to a lower surface of the upper frame 6 and a position facing the upper end portion 10a of the door front end side. Rubber 19 is fitted. As shown in FIG. 10, the base portion 14 of the door closing order adjuster 2 is fitted into the recess formed between the door stop frame 18 and the lower surface of the upper frame 6 from the horizontal direction. It is attached to the door-to-door frame 18. 6 and 7 is a door closing rank adjuster liner 21 interposed between the lower surface of the upper frame 6 and the base portion 14.

  As shown in FIGS. 1 to 5, 8, and 9, the conshielded door check 3 includes a main body 22 having a built-in speed reduction device (damper), and a slide shoe 23 provided at the tip of the main body 22. The swing link 24, the guide rail 25 of the slide shoe 23, and the like are provided, and two sets are provided corresponding to the front closing door 4a and the rear closing door 4b. Each of the main bodies 22 is provided in a state of being fitted into the opening 13 of the pivotal shaft core side upper surface portion 10b of the front closing door 4a and the rear closing door 4b. An opening 26 is formed on the lower surface of the upper frame 6 and at a position deviated toward the pivot axis side of the front closing door 4a and the rear closing door 4b from the position of the door closing order adjuster 2. Each of the openings 26 is provided in a state in which the guide rails 25 of the slide shoes 23 are fitted.

  According to said structure, the level | step difference H is formed in the upper surface 10 of the front closing door 4a and the rear closing door 4b so that the door front end side may become lower than the pivot axis side, and the door is provided on the lower door front end portion 10a. A rising plate portion 12 that rises flush with the door surface on the opening direction side is provided, and the roller 16 at the tip of the rotating arm 15 of the door closing order adjuster 2 is provided on the side surface of the rising plate portion 12 on the door closing direction side. Since the closing operation of the rear closing door 4b is temporarily restricted by contact, the upper frame (between panel) 6 has a shape that is flush with the front closing door 4a and the rear closing door 4b on both front and back surfaces. The door closing rank adjuster 2 can be stored within the same thickness as the door, and the slim appearance with the door surface and the panel between the panels can be obtained in a unified manner. it can.

  In particular, the conshield type door check 3 is adopted as the door check 3, and the opening 13 is formed in the raised pivot shaft core side upper surface portion 10b of the front closing door 4a and the rear closing door 4b. While the main body 22 of the conshielded door check 3 is fitted in each of the portions 13, the front door 4a and the rear door 4b are closed on the lower surface of the upper frame 6 and beyond the position of the door closing order adjuster 2. Since the opening portions 26 are formed at positions offset toward the pivot axis side, and the guide rails 25 of the slide shoes 23 connected to the main body 22 are fitted in these opening portions 26, respectively. In the door closed state, both the door check 3 and the door closing rank adjuster 2 are accommodated within the thickness of the door, and the fittings are not visible from the outside, and between the door surface and the space panel above it. Because there is no step in the door and column It is possible to realize a design to better fire door with integrity to the panel.

1 Door-opening door 2 Door closing order adjuster 3 Conshielded door check 4a Front closing door 4b Rear closing door 5a, 5b Vertical frame 6 Upper frame (between panels)
7 frame floor 8 floor material 9 ceiling material 10 upper surface 10a door tip side upper surface portion 10b pivot shaft core side upper surface portion 11 steel plate frame 12 rising plate portion 13 opening portion 14 base portion 15 rotating arm 16 roller 17 eye plate 18 per door Frame 19 Rubber per door 20 Screw 21 Door closing position adjuster liner 22 Body 23 Slide shoe 24 Swing link 25 Guide rail 26 Opening

Claims (2)

  Front and rear surfaces of the upper frame and the front closing door in an opening frame comprising left and right vertical frames pivotally supporting the front closing door and the rear closing door of the double door and the upper frame constructed between the upper portions of the vertical frames. And the front and back surfaces of the rear closing door are formed to be flush with each other, and a step is formed on the upper surface of the front closing door and the rear closing door so that the front end of the door is lower than the pivot axis side, and at least the lower end of the door The side upper surface portion is provided with a rising plate portion that rises flush with the door surface on the door opening direction side, while a base portion that is fixed to the upper frame and a vertical direction with respect to the base portion A pivoting arm that is pivotally connected around the axis of the shaft and biased so as to protrude from the upper frame toward the door opening direction, and the tip end of the pivoting arm is in the door closing direction of the rising plate part The closing action of the rear closing door is temporarily restricted by abutting against the side surface of the side, and the rotating arm is The door closing rank adjuster configured to allow the closing operation of the rear closing door by pushing back in the direction opposite to the protruding direction at the end is placed at a position facing the upper end portion of the upper end of the upper frame. A double door with a door closing order adjuster, which is provided in a state of being stored within the thickness of the door.   An opening is formed in the upper part of the pivot shaft core side of the raised front door and the rear closing door, and the main body of the conshielded door check is fitted in each of these openings, and the upper frame Forming openings at positions offset toward the pivot axis side of the front closing door and the rear closing door relative to the position of the door closing order adjuster, and these openings are connected to the main body, respectively. 2. A double door with the door closing rank adjuster according to claim 1, wherein the door closing rank adjuster is provided in a state in which the guide rail of the slide shoe is fitted.

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