JP2016142024A - Heat insulation sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve heat insulation performance by preventing fixing means to be exposed to an indoor side while fixing a resin frame to a metal frame from the indoor side by the fixing means.SOLUTION: A heat insulation sash comprises a window frame which is made by installing a resin frame on an indoor side of a metal frame, and a sash which is openably and closably installed in the window frame. The resin frame comprises a main resin frame which is installed on the metal frame from an inner peripheral side by connection means, and a sub-resin frame which is engaged on the indoor side of the main resin frame. The sub-resin frame has a hollow part. The hollow part which stores a fitting section of the main resin frame to the metal frame of the main resin frame, is formed by engaging the sub-resin frame to the main resin frame fit on the metal frame.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a sash including a window frame in which a resin frame is attached to the indoor side of a metal frame and a shoji that is supported by the window frame so as to be freely opened and closed.

  In recent years, a heat insulating sash having a resin frame attached to the interior side of a metal frame is known. (Patent Document 1)

JP 2001-207731 A

In the heat insulating sash as in the above prior art document, when the resin frame is fixed to the metal frame, the resin frame is fixed by a fixing means such as a screw from the inside of the resin frame.
However, if the fixing means for fixing the resin frame is exposed to the indoor side, heat insulation may be impaired, for example, heat is transferred from the metal frame side to the indoor side through the fixing means. .

  In view of the above circumstances, an object of the present invention is to further improve the heat insulating performance in a heat insulating sash provided with a resin frame on the indoor side of a metal frame.

  The present invention includes a window frame in which a resin frame is provided on the indoor side of the metal frame, and a shoji that is openable and closable on the window frame, and the resin frame is attached to the metal frame from the inner peripheral side by connecting means. Main resin frame and sub resin frame locked to the interior side of the main resin frame. The sub resin frame has a hollow portion and is sub resin with respect to the main resin frame attached to the metal frame. By locking the frame, a hollow portion is formed on the outer peripheral side in the direction of finding the hollow portion of the sub resin frame to accommodate the attachment portion of the main resin frame to the metal frame. A hollow part is formed in the structure.

By locking the sub resin frame to the main resin frame attached to the metal frame, a plurality of layers of hollow portions can be formed by the main resin frame and the sub resin frame, and the metal of the main resin frame A hollow portion that accommodates the attachment portion with respect to the frame is formed, so that heat transmitted from the metal frame to the fixing means is effectively prevented from being transmitted into the room, and the heat insulation performance can be improved.
In addition, since the main resin frame is attached to the metal frame from the inner peripheral side by the connecting means, the metal frame and the main resin frame can be fixed together in the building opening and constructed. After the frame is fixed to the building opening, the sub resin frame can be locked and fixed to the main resin frame, so that the assembly workability and maintainability are good.

It is a longitudinal cross-sectional view of the service door which is the resin sash which concerns on embodiment of this invention. It is a cross-sectional view of a service door that is a resin sash according to an embodiment of the present invention. It is an expansion cross-sectional view of the vertical frame of the service door which is the resin sash which concerns on embodiment of this invention. (A) and (b) are the expanded cross-sectional views of the vertical frame of the other Example of the door opening door which is the resin sash which concerns on embodiment of this invention.

-Self-door door-
The heat insulating sash according to the embodiment of the present invention will be described using a front door shown in FIGS.
(Overall configuration)
As shown in FIGS. 1 and 2, the doorway door according to the embodiment of the present invention is a frame configured by an upper frame 11, a lower frame 12, and left and right vertical frames 13 and 14 installed in a building opening. 1, and a door body 2 configured by assembling an upper rod 21, a lower rod 22, and left and right vertical rods 23, 24 around four sides, and a panel body 25 made of glass or the like fitted into the inner periphery thereof.
The door body 2 is attached to the frame body 1 by a hinge portion 71 so as to be opened and closed. A door closer 72 is disposed between the upper frame 11 of the frame body 1 and the upper collar 21 of the door body 2.

(Configuration of window frame)
The upper frame 11, the lower frame 12, and the left and right vertical frames 13, 14 constituting the frame body 1 are formed by providing a resin frame formed of a synthetic resin on the indoor side of the metal frame.
The upper frame 11 is configured by extending an indoor side portion on the indoor side of the upper frame main body portion having a hollow cross section, and a metal upper frame 111 having a fitting groove 111a formed on the inner peripheral surface thereof, and a hollow cross section. An angle portion 115a extends from the interior side of the resin frame main body, and a resin upper frame 115 is formed with a fitting portion 115b formed outside the resin frame main body.

The resin upper frame 115 fits the fitting portion 115b into the fitting groove 111a of the metal upper frame 111, and connecting means (such as a screw) to the metal upper frame 111 from the inner peripheral side of the resin frame main body portion (illustrated). Is not installed.) A resin upper frame 115 is attached and the upper frame 11 is fixed to the building opening by fixing means n (not shown) such as screws.
A groove 115c is formed on the inner peripheral side of the resin frame main body so as to accommodate the heads of the connecting means b for fixing the upper frame 11 and the fixing means n. A resin lid 116 is formed at the opening of the groove 115c. Is inserted to prevent the heads of the connecting means b and the fixing means n from being exposed to the indoor side. In addition, an airtight material holding groove is formed on the outdoor side surface of the resin frame main body portion of the resin upper frame 115, and is in contact with the indoor side surface of the upper collar 21 of the door main body 2 so as to be between the frame body 1 and the door main body 2. An airtight material s that is airtight is held.

The lower frame 12 includes a metal lower frame 121 in which drainage is extended outside the lower frame main body portion having a hollow cross section, and a resin bottom formed by extending an angle portion 125a on the indoor side of the resin frame main body portion having a hollow cross section. Frame 125.
The metal lower frame 121 is fixed to an anchor member 73 disposed in the building frame, and a locked portion 121a for locking the locking portion 125b of the resin lower frame 125 is formed on the indoor upper surface. Yes. The locking portion 125b formed below the resin frame main body having a hollow cross section of the resin lower frame 125 is locked to the locked portion 121a of the metal lower frame 121, and the angle portion 125a of the resin lower frame 125 is the building frame. It is placed on a forehead such as a wood on the lower surface of the opening, and is fixed with a wood screw or the like.
The outdoor side surface of the resin frame main body is exposed to the outdoor side above the locked portion 121a of the metal lower frame 121 to form an airtight material holding groove, and is in contact with the indoor side surface of the lower collar 22 of the door main body 2 An airtight material s that hermetically seals between the body 1 and the door body 2 is held.

The left and right vertical frames 13 and 14 are made of a metal material such as aluminum and have left and hollow main body portions 131a and 141a and resin frame mounting portions 131d and 141d extending to the indoor side of the main body portions 131a and 141a. The left and right main resin vertical frames 132 and 142 are attached to the right metal vertical frames 131 and 141 and the resin frame attaching portions 131d and 141d, and the left and right are locked to the left and right main resin vertical frames 132 and 142. It is comprised from sub resin vertical frame 133,143.
After the left and right main resin vertical frames 132 and 142 are attached to the resin frame attachment portions 131d and 141d of the left and right metal vertical frames 131 and 141, the attachments provided on the outer periphery of the left and right metal vertical frames 131 and 141 The left and right vertical frames 13 and 14 are opened to the building opening by fixing the pieces 131f and 141f to the opening of the building by fixing means such as screws, and by fixing the fixing means n such as screws from the inner peripheral side of the building opening. Fixed to the part.
In addition, it is possible to provide a hole through which the fixing means n such as a screw penetrates the main resin vertical frame attached to the metal vertical frame, and fix only the metal vertical frame to the building opening by the fixing means n such as a screw, Although it is preferable from the point of maintainability after construction, it is also possible to fix the metal vertical frame and the main resin vertical frame together in the building opening.

  The left and right main resin vertical frames 132 and 142 are provided with an air-tight material s on the outdoor side surfaces of the left and right main resin vertical frames 132 and 142, and come into contact with the left and right vertical side walls 23 and 24 of the door main body 2. Airtight between.

(Door body configuration)
The upper rod 21, the lower rod 22, and the left and right vertical rods 23 and 24 constituting the door main body 2 are composed of a metal rod having a hollow rectangular shape and a resin rod disposed on the inner side surface of the metal rod, All of the resin frames have a plurality of hollow portions.

  The outdoor portion of the metal upper collar 211 (metal lower collar 221) extends in the outer circumferential direction, and the interior side surface of the metal upper collar 211 abuts against an airtight material provided on the outdoor side of the upper frame 11 (lower frame 12). And the door main body 2 are hermetically sealed on the outdoor side. On the other hand, the airtight material s provided on the resin frames of the upper frame 11 and the lower frame 12 abuts on the indoor side surface of the resin bowl of the door body 2 to perform airtightness on the indoor side between the frame body 1 and the door body 2. Yes.

The left metal downpipe 231 of the left downpipe 23 is rotatably attached to the left metal vertical frame 131 of the left vertical frame 13 by the hinge portion 71, and the interior side surface of the left resin downpipe 232 of the left downpipe 23 is The left vertical resin frame 13 is in contact with the airtight material s provided on the outdoor side surface of the left main resin vertical frame 132.
A latch mechanism 75 that is operated by a handle 74 is disposed inside the right metal downside 241 of the right downside 24, and the door can be opened and closed by operating the handle 74. The indoor side surface of the right resin vertical rod 242 of the right vertical rod 24 is in contact with the airtight material s provided on the outdoor side surface of the right main resin vertical frame 142 of the right vertical frame 14.

  The hollow part formed in the resin container is divided into a plurality by the partition wall w, and air convection in the hollow part is blocked by the partition wall w. Further, the partition wall w dividing the hollow portion of the resin cage is formed to protrude from the outdoor side surface of the hollow portion, and the outdoor side end of the partition wall abuts against the indoor side surface of the metal cage, thereby A plurality of hollow portions h are formed between the outer surface of the resin container and the resin container, and the inner surface of the metal container is not directly in contact with the resin container, and the heat insulating air layer is interposed therebetween. Can do.

(Resin frame mounting and heat insulation structure)
In the door opening door according to the embodiment of the present invention, among the frames constituting the frame body 1, particularly for the vertical frame, the resin frame is attached to the metal frame, the main resin vertical frame, and the main resin vertical frame It is comprised from the sub resin vertical frame latched by the indoor side.
Hereinafter, the configuration of the main resin vertical frame and the sub resin vertical frame will be described in more detail with reference to the left vertical frame 13 shown in FIGS.

FIG. 3 is an enlarged plan view of the left vertical frame 13 and the left vertical rod 23 of the doorway door according to the embodiment shown in FIGS.
The left metal vertical frame 131 of the left vertical frame 13 includes a hollow main body portion 131a, an outer peripheral wall portion 131b in which an outer peripheral wall of the main body portion 131a extends in the indoor direction, and an indoor side end portion of the outer peripheral wall portion 131b. An inner wall 131c bent in the outer peripheral direction is provided, and the outer peripheral wall 131b and the inner side wall of the main body 131a constitute a resin frame attaching portion 131d.
A locked portion 131e for locking the outdoor side of the left main resin vertical frame 132 is provided on the inner peripheral end of the indoor side wall of the main body 131a constituting the resin frame mounting portion 131d. It is formed in an L shape so as to face, and the inner peripheral surface of the resin frame mounting portion 131d is formed as a substantially flat surface.

The left main resin vertical frame 132 attached to the resin frame attachment portion 131d of the left metal vertical frame 131 is formed on the hollow main body portion 132a and the outdoor surface of the main body portion 132a, and the locked portion 131e of the left metal vertical frame 131. A locking piece 132b that is locked to the inner surface, a fixed surface portion 132c formed by extending the outer peripheral wall of the main body portion 132a in the indoor direction, and a room formed by bending the indoor side end of the fixed surface portion 132c in the inner peripheral direction. A wall 132d and an outdoor wall 132e extending inward from the outdoor inner peripheral surface of the main body 132a of the main body 132a are configured to attach an airtight material s to the outdoor outer surface of the outdoor wall 132e. A mounting groove 132f is formed at the inner peripheral end of the mounting groove.
A locking groove 132g for locking the locking claw 133b of the left sub-resin vertical frame 133 is formed by the indoor side surface of the main body portion 132a and the indoor wall portion 132d.

  On the other hand, the left sub-resin vertical frame 133 locked to the left main resin vertical frame 132 has a hollow main body portion 133a, a locking claw 133b formed on the outer periphery of the main body portion 133a, and the indoor side of the main body portion 133a. An extending angle portion 133c and an engaging portion 133d extending on the inner periphery of the main body portion 133a are configured.

  When constructing the left vertical frame 13 in the building opening, the locking piece 132b of the left main resin vertical frame 132 is locked to the locked portion 131e of the resin frame mounting portion 131d of the left metal vertical frame 131. The outer peripheral surfaces of the main body portion 132a and the fixed surface portion 132c are brought into contact with the inner peripheral surface of the resin frame attaching portion 131d, and the connecting portion b such as a screw is connected to the left metal vertical frame 131 from the bottom of the locking groove 132g. Install the main resin vertical frame 132. Then, the mounting piece 131f of the left metal vertical frame 131 is fixed to the building opening, and the left vertical frame 13 is fixed to the building opening from the bottom of the locking groove 132g by fixing means n such as a screw.

  When the left main resin vertical frame 132 is attached to the left metal vertical frame 131, there is no member projecting in the inner peripheral direction on the inner peripheral surface of the resin frame mounting portion 131d of the left metal vertical frame 131. The locking piece 132b of the left metal vertical frame 131 and the left main resin vertical frame 132 are rotated in the clockwise direction while being locked to the locked portion 131e of the resin frame mounting portion 131d. The indoor wall portion 132d can be positioned flush with each other, and the forehead member can be attached to the indoor side surfaces of the indoor wall portions 131c and 132d without rattling. In addition, since the inner peripheral surface of the resin frame mounting portion 131d is formed flat, the flat outer peripheral surface of the left main resin vertical frame 132 is in good contact, and is locked by tightening the connecting means b such as a screw. The left main resin vertical frame 132 functioning as a door stop can be stably fixed to the claw 133b.

  Furthermore, by locking the locking portion 133d of the left sub-resin vertical frame 133 to the locked portion 132f of the left main resin vertical frame 132, and locking the locking claw 133b to the locking groove 132g, The left sub resin vertical frame 133 can be locked to the left main resin vertical frame 132. The angle portion 133c of the left sub-resin vertical frame 133 is fixed to an edge member such as wood in the building opening with a wood screw or the like.

By locking the left sub resin vertical frame 133 to the left main resin vertical frame 132, a hollow portion h1 is formed by the locking groove 132g and the outer peripheral surface of the main body portion 133a, and the outdoor wall portion 132e and the main body portion 133a. Since the hollow portion h2 is formed by the outdoor surface of each of the two, one hollow portion is formed in each of the finding direction and the prospective direction of the hollow main body portion 133a of the sub resin frame. As a result, a plurality of layers of hollow portions are formed in the finding direction and the prospective direction, so that the convection can be divided and the heat insulation performance can be improved.
At this time, the left sub-resin vertical frame 133 is locked not only to the locking groove 132g on the inner peripheral surface of the left main resin vertical frame 132 but also to the outdoor wall portion extending to the inner periphery of the left main resin vertical frame 132. Since locking is performed at the tip of 132e (locking by the locking portion 133d with respect to the locked portion 132f), a stable multi-layer structure can be formed by the hollow portion.
Furthermore, the head of the fixing means n such as a screw for fixing the left vertical frame 13 can be accommodated in the hollow portion h1 formed by the locking groove 132g and the outer peripheral surface of the main body portion 133a. It is possible to prevent the heat transmitted through the fixing means n from being transmitted to the indoor side, so that the heat insulation can be improved and the design can be improved.

4A shows a modification of the left vertical frame 13 of the embodiment shown in FIG. 3, and an airtight material s attached to the outdoor side surface of the outdoor wall 132e is provided integrally with the left main resin vertical frame 132. FIG. Is different.
The airtight material s is integrally formed of a soft resin as compared with the resin such as the main body 132a of the left main resin vertical frame 132, and the mounting groove for attaching the airtight material s can be omitted. In the left vertical frame 13 of the embodiment shown in FIG. 2, a hollow portion is formed in a portion where the mounting groove is provided.
In FIG. 4B, the airtight material s is provided integrally with the left main resin vertical frame 132 as in FIG. 4A, and the outdoor wall portion 132e is formed of a hollow wall.
Thereby, the rigidity and heat insulation of the outdoor wall part 132e can be further improved.

As described above, the heat insulating sash according to the embodiment of the present invention attaches the main resin frame having a hollow portion to the inner peripheral side of the metal frame, and the metal frame to which the main resin frame is attached is opened by a fixing means such as a screw. The main resin frame can also be installed by fixing it to the part, so it is excellent in workability, and when the main resin frame is damaged after installation, etc., connecting means such as screws of the main resin frame to the metal frame If the mounting by is eliminated, the main resin frame can be easily replaced, and the maintenance is excellent.
Moreover, the hollow part which accommodates the fixing means for fixing a frame to a building opening part can be formed by latching a sub resin frame with respect to a main resin frame, and it latches to a main resin frame. Since the sub resin frame is fixed to the frame part such as a wooden part of the building opening by the angle part, heat or the like is transmitted from the metal member through the fixing means without contacting the metal member. The heat insulating property of the heat insulating sash can be improved without any problems.

  In addition, the resin sash of the present invention is not limited to a fitting having a sliding door such as a door opening door, but may be a resin sash including a sliding door sliding door, and the heat insulating structure by the main resin frame and the sub resin frame is, It is possible to adopt not only a vertical frame but also a configuration of an upper frame and a lower frame as necessary.

1: Frame 11: Upper frame 111: Metal upper frame 115: Resin upper frame 12: Lower frame 121: Metal lower frame 125: Resin lower frame 13: Left vertical frame 131: Left metal vertical frame 132: Left main resin vertical frame 133: Left secondary resin vertical frame 141: Right metal vertical frame 142: Right main resin vertical frame 143: Right secondary resin vertical frame 2: Door main body 21: Upper collar 211: Metal upper collar 22: Lower collar 221: Metal lower collar 23 ： Left downspout 231 ： Left metal downspout 232 ： Left resin downspout 24 ： Right downspout 241 ： Right metal downspout 242 ： Right plastic downspout 25 ： Panel body

Claims (1)

A window frame comprising a resin frame provided on the indoor side of the metal frame, and a shoji that is provided on the window frame so as to be opened and closed.
The resin frame is composed of a main resin frame that is attached to the metal frame from the inner peripheral side by a connecting means, and a sub resin frame that is locked to the indoor side of the main resin frame,
The auxiliary resin frame has a hollow portion,
By locking the sub resin frame with respect to the main resin frame attached to the metal frame, a hollow portion is formed on the outer peripheral side of the hollow portion of the sub resin frame in the direction in which the main resin frame is attached to the metal frame. In addition, the heat insulating sash is characterized in that a hollow portion is formed outside the prospective direction of the hollow portion of the sub resin frame.

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