JP2003239634A - Heat insulating structure of steel heat insulating door frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat insulating structure of a steel heat insulating door frame, which can be applied to structures of a variety of steel heat insulating door frames by constituting the heat insulating structure of the steel heat insulating door frame in such a shape as to enable the structure to be used as a common member, though heat conduction between an indoor side and an outdoor side can be adequately interrupted. <P>SOLUTION: A heat insulating material 7 comprises a main body 7a which is composed of a prismatically molded rigid heat insulating resin; the steel heat insulating door frame 2 is formed of an outdoor-side peripheral frame material A and an indoor-side peripheral frame material B; and the material 7 is invisibly concealed when held so as to be sandwiched between the frame materials A and B. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating structure of a steel heat insulating door frame which is used as a door such as a building entrance, a door, a sliding door or the like.

[0002]

2. Description of the Related Art In recent years, in order to save energy by forming a comfortable living space and reducing energy used for heating and cooling, heat insulation performance of outer walls and fittings has been emphasized. Insulating doors with thermal insulation performance are increasingly used not only for windows of buildings but also for doors provided at entrances and doorways.

In recent years, due to the subdivision of heat insulation standards in the Building Standards Act, the need may be recognized even in a building in an area where heat insulation doors were conventionally considered unnecessary, Demand for insulating doors as an energy saving measure is expected to increase in the future.

However, the conventional heat insulating doors are required to be installed depending on various conditions such as a region where the heat insulating doors are installed, a structure of a building such as ALC structure, reinforced concrete, and a wooden structure, a place where the heat insulating doors are installed, and the like. The heat insulation performance required for heat insulation doors and steel heat insulation door frames also varied.

Therefore, although there have been proposed heat insulating doors and steel heat insulating door frames and a method of manufacturing the same which allow a high degree of freedom in selection of heat insulating performance, a wide variety of heat insulating doors and steel heat insulating door frames are provided for each heat insulating performance. Designing, combined with the fact that the estimated dimensions and shapes are different, increases the number of parts and raises the manufacturing cost, and there is only a combination of insulated doors and steel insulated door frames within a limited selection range. Not only can it not be selected, but recently, the number of consumers who demand fireproof performance in addition to heat insulation performance is increasing, and there has been no one that combines these heat insulation and fireproof functions.

[0006]

SUMMARY OF THE INVENTION The present invention was conceived in the process of research and development aimed at expanding the degree of freedom in designing and expanding the function of a conventional steel heat-insulating door frame in view of the above situation.
The purpose is to configure the heat insulating material into a shape in which each frame material used for the steel heat insulating door frame can be used as a common member, and can be applied to a wide variety of steel heat insulating door frame structures. At the same time, when it is completed as a steel insulated door frame, since the above-mentioned heat insulating material is not exposed to the outside, it has a variety of appearance advantages as well as suppressing the progress of aging due to the material of the heat insulating material as much as possible. A steel insulation door frame that enables the development of designs for steel insulation door frames, and that can provide steel insulation door frames that meet the various needs of consumers while reducing the manufacturing cost and having the functions of both fire prevention and heat insulation. It is intended for a heat insulating structure of a heat insulating door frame.

[0007]

In order to solve the above-mentioned problems, the first technical means adopted by the present invention is that the heat insulating door is provided on the outside and the inside of a four-circumferential frame that faces and surrounds each end face. In order to form a steel heat-insulating door frame by interposing a heat-insulating material between the two, the heat-insulating material is constituted by a long body made of a hard heat-insulating resin formed into a prismatic shape, and the steel When the four-sided frame is formed by the outdoor four-sided frame material and the indoor-side four-sided frame material, and the heat insulating material is sandwiched between the two four-sided frame materials to form a heat-insulating door frame, the heat-insulating material is hidden invisible. As a second technical means, the outdoor four-sided peripheral frame member is made of steel, and the outdoor-side four-sided peripheral frame member is provided with a fixing portion for positioning and fixing the main body of the heat insulating material. At the same time, the indoor four-sided frame material is made of aluminum, and is fixed to the clamping surface with the outdoor four-sided frame material. The rail part that inserts the head part of the is integrally formed, and the tip of the fixing bolt that is inserted into the rail part penetrates the main body of the heat insulating material and projects to the back side of the sandwiching surface of the outer peripheral four-round frame material to form a nut. It is characterized in that the heat insulating material is sandwiched and fixed between the two four-sided frame materials by screwing. The third technical means is that a protrusion made of a soft resin is formed on the outer surface of the main body forming the heat insulating material. The strips are spaced apart and extended in the longitudinal direction at a predetermined interval, and as a fourth technical means, each of the four circumferential frame members constituting the steel heat-insulating door frame is provided between them. Based on the shape of the main body of the sandwiched heat insulating material, the heat insulating material is configured to have a common shape part for various different frame shapes. As a fifth technical means, the indoor side four-round frame material is Insert the head of the fixing bolt as an extruded aluminum material. Is formed integrally with the rail portion, and a ridge portion is formed in the longitudinal direction of the rail portion, and a concave ridge portion corresponding to the ridge portion is formed on the heat insulating material side. It is characterized in that the heat insulating material is configured to be fixed to the indoor four-sided frame material by inserting the concave stripe portion of the heat insulating material into the row portion.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention will be described in detail based on an embodiment shown in the drawings. In FIG. 1 and FIG. 2, 1 is a heat insulation door provided with sleeves 1 a, 1 a on the left and right, 2 is a steel heat insulation door frame, and the steel heat insulation door frame 2 faces each end surface of the heat insulation door 2. Upper and lower frame members 3, 4 and outer vertical frame members 5a, 5b arranged as an outdoor four-side frame member A surrounding the heat insulating door 2, and the back side of each of the outer vertical frame members 5a, 5b, that is, an indoor-side four-perimeter frame member. The inner vertical frame member 6a (the vertical cover 6a) and the heat insulating base member 6b, which are positioned as the member B, are arranged separately from each other with a heat insulating member 7 interposed therebetween.

As shown in FIG. 3 (a), the heat insulating material 7 has a pair of opposing two sides 7b, 7b of a main body 7a formed in the shape of a hollow prism extending out-of-plane. Of the tongue sides 7c and 7c, and one of the tongue sides 7c and 7c is bent at a right angle to form an extension side 7d. Main body 7a and each side 7
b, 7c and 7d are integrally formed of the same hard insulating resin. Further, on the outer surfaces of the main body 7a and the sides 7b, 7c, 7d, ridges 8, 8 ... Made of a soft resin are provided so as to be spaced apart from each other in the longitudinal direction at predetermined intervals, and the tongue side 7c,
Facing surface 7c facing the space recess 9 formed between the facing portions 7c
The heat insulating material 7 is configured by integrally forming the concave portions 10 and 10 'on the end faces of the extended side 7d.
Therefore, the outer vertical frame members 5a and 5b and the inner vertical frame member 6
When the heat insulating material 7 is interposed between the heat insulating material 7 and a, the frame members of the outer vertical frame members 5a, 5b and the inner vertical frame member 6a and the heat insulating material 7 are crushed by the ridges 8, 8 ... It is possible to increase the adhesiveness between and to obtain high heat insulation.

On the other hand, the outer vertical frame members 5a and 5a are respectively composed of a metal plate body on a door opening side surface portion 5a 'and a sleeve side surface portion 5a''formed inwardly at a position facing and separating from the door opening side surface portion 5a'. The metal plate body is bent, and the both side surface portions 5a ', 5a' are formed.
Of the inner vertical frame member 6a in which a reinforcing bracket 11 is fixed between the opposite ends of the ‘′ and bent to have a U-shaped cross section at a position where the reinforcing bracket 11 is covered, and the extension sides 7d and 7d face each other. The inner and outer vertical frame members 5a by the screws 12, 12 through 7, 7,
By fixing 5b while reducing mutual heat conduction,
It has a frame structure that combines the functions of fire protection and heat insulation.

The outer vertical frame member 5b is a sleeve side surface portion 5b '.
And a back side surface portion 5b ″ formed inwardly at a position facing and separated from the metal plate body by bending the sleeve side surface portion 5b ′ and the side surface of the outer vertical frame member 5a on the sleeve side. Part 5a ″
The sleeve 1a is fitted between the opposing sides of the sleeve 1a via the cushioning material 13a, and the fixed portion 14 of the sleeve side surface portion 5b 'which is formed by bending the sleeve 1a at the inner peripheral four-side frame material B is made of aluminum. The heat insulating base material 6b extruded from the material is fixed via the heat insulating material 7 by the fixing bolts and nuts 15a and 15b.

As shown in FIG. 4, the heat insulating base material 6b is a rail portion for inserting a head portion 15a 'of a bolt 15a in the middle between a tip edge 6b', a step portion 16 facing the indoor four-side frame member B, and an intermediate portion. 17 is extruded from a long aluminum material integrally formed in the longitudinal direction, and the recess 10 of the heat insulating material 7 is formed on the inner surface of the step portion 16 and both outer surfaces of the rail portion 17.
Is formed integrally with the heat insulating material 7, and the ridges 18 of the rail portion 17 are inserted from the longitudinal direction into the ridges 10 formed in the space recesses 9 of the heat insulating material 7 shown in FIG. The members 7 and 6b are fitted and the head portion 15 is placed in the rail portion 17.
The heat insulating base member 6b is fixed to the outer vertical frame member 5b through the heat insulating member 7 by inserting the bolt 15a through which the a'is inserted into the heat insulating member 7 and screwing the bolt 15a into the nut 15b on the back surface of the fixing portion 14. However, at this time, the ridges 8, 8 ... Formed on the outer surface of the heat insulating material 7 are crushed between the heat insulating base material 6b and the outer vertical frame material 5b, resulting in displacement of both members 5b, 6b. Instead, it will be firmly fixed. Instead of the heat insulating base material 6b extruded from the aluminum material as described above,
As shown in FIG. 3 (b), the step portion 16 'is bent by bending the steel plate.
And heat insulating base material 6 integrally formed with the leading edge 6'b '
It may be configured as ′ b and attached by the screw 12.

In the steel heat insulating door frame 2 constructed as described above, one end edge 19 of the inner vertical frame member 6a formed in the U-shape on the indoor four-side frame member B is provided with the cushioning member 13b. An airtight material 21 made of an elastic material is fitted between the other end edge 20 and the side surface 5a 'of the door opening while being fixed to the sleeve 1a by the surface, and at the sleeve 1a side of the heat insulating base material 6b. A cushioning material 13b is interposed between the front edge 6b 'facing the sleeve and the sleeve 1a to complete the heat insulating door frame 2 made of steel.

Since the present invention is constructed as described above,
When constructing the steel heat-insulating door frame 2 by appropriately combining different outer vertical frame members 5a and 5b, inner vertical frame member 6a, and heat insulating base member 6b, each member is completed by using the heat insulating member 7 having a common shape. Further, since the steel heat insulating door frame 2 is always assembled through the heat insulating material 7 in each frame portion, heat conduction between the outdoor side four-sided frame material A and the indoor side four-sided frame material B is possible. Can be reduced as much as possible, and a frame structure having both a fireproof function and a heat insulating function can be provided.

FIG. 5 (a) shows a case where a member different from the above-mentioned constituent members is used to construct the heat insulating door frame 2 made of steel, wherein the outer vertical frame member 5a and the inner vertical frame member 6a are used. When combining with, the outer vertical frame member 5a and the sleeve side surface portion 5
Each of the edges of the a ″ is bent in a stepped shape, and the heat insulating materials 7, 7 are fitted to the stepped portion C. In this configuration, since the main body 7a of the heat insulating material 7 is fitted to the step portion C, the outer vertical frame member 5a and the inner vertical frame member 6a are firmly fixed together with the face-to-face contact of the ridges 8, 8 ... be able to.

In FIG. 5 (b), the outer vertical frame member 22 and the heat insulating base member 6b are fixed via the heat insulating member 7, and the tip edge 6b 'of the heat insulating base member 6b and the side face 22' of the door opening are connected. It shows a frame structure configured by fitting an airtight material 21 between them. In this configuration, the outer vertical frame member 2 used for other different frame structures
2. Since the heat insulating base material 6b and the heat insulating material 7 are used as a common member, a significant cost reduction can be achieved. Further, the configurations of the heat insulating base member 6b and the outer vertical frame member 22 described above can be similarly applied to the configurations of the upper frame 3 and the sleeve 1a as shown in FIG. 6, and various common members can be used. A wide range of combinations is possible, and a frame structure having both a fireproofing function and a heat insulating function can be flexibly configured in accordance with various building conditions such as a difference in structure of a building and a location of installation of a heat insulating door.

7 to 9 show another structural example of the steel heat insulating door frame 2 shown in the above-mentioned embodiment. In the steel heat insulating door frame 23 shown in the figures, the outer vertical frame member 22 is used. , 22 and the heat insulating base materials 6b, 6b, and a frame structure in which the heat insulating material 7 is interposed, and the heat insulating material 7 between the upper frame 3 and the heat insulating base materials 6b, 6b.
In this configuration example, the heat insulating material 7 and the heat insulating base material 6b are used as a common member in the configuration of a wide variety of steel heat insulating door frames. It greatly contributes to cost reduction.

Further, in the above-described heat insulating material 7, the two opposing two sides 7b, 7b of the hollow prismatic body 7a are respectively extended in the out-of-plane direction to form a pair of tongue sides 7c, 7c. Although the extension side 7d is formed by bending the surplus surface at the tip of one tongue side 7c in an orthogonal shape, the present invention is not limited to this, and as shown in FIG. The main body 7'a may be formed of only a hollow prismatic main body 7'a. Further, as shown in FIG. 7B, the main body 7'a 'is formed by removing the hollow and resin-molding into a simple prismatic shape. Also good.

[0019]

In summary, according to the present invention, a steel heat insulating door frame is provided by interposing a heat insulating material between the outside and the inside of a four-sided frame that surrounds and surrounds each end face of the heat insulating door. To form,
The heat insulating material is composed of a long main body made of a hard heat insulating resin formed into a prismatic shape, and the steel four-peripheral frame is formed with an outdoor-side four-peripheral frame material and an indoor-side four-peripheral frame material. When a heat insulating material is sandwiched between frame materials to form a heat-insulating door frame, the heat insulating material is concealed invisible, and the outer-four-side outer frame is made of steel. The material is provided with a fixing part for positioning and fixing the body of the heat insulating material,
The indoor side four-round frame material is made of aluminum, and a rail portion for inserting the head of the fixing bolt is integrally formed on the sandwiching surface with the outdoor side four-round frame material, and the tip of the fixing bolt inserted in the rail portion. Is configured to penetrate the main body of the heat insulating material and project to the back side of the sandwiching surface of the outer peripheral four-sided frame material, and to clamp and fix the heat insulating material between both four-sided frame material by screwing with the nut. A steel insulated door frame that has both fire protection and heat insulation functions in line with the demand has a structure that can sufficiently block heat conduction between the outdoor side and the indoor side, and is assembled together with the simplification of the door frame structure. Can be made easy and inexpensive, and when it is completed as a steel heat insulation door frame, the heat insulation material is exposed to the outside, so it is caused by the material of the heat insulation material while maintaining the appearance. The progress of aging can be suppressed as much as possible. Further, since the ridges made of a soft resin are spaced apart and extended in the longitudinal direction at predetermined intervals on the outer surface of the main body constituting the heat insulating material, the adhesion between the frame material and the heat insulating material is improved. And a high heat insulating property can be obtained, and the frame structure having stronger rigidity can be obtained by increasing the face-to-face force between the frame members having the heat insulating material interposed. Further, each of the four-circumferential frame members constituting the steel heat insulating door frame is configured to have a common shape portion for various frame shapes, based on the main body shape of the heat insulating material sandwiched therebetween, and The indoor four-sided frame material is an aluminum extrusion mold material,
It is integrally formed with a rail portion that passes through the head of the fixing bolt, and a ridge portion is formed in the longitudinal direction of the rail portion, and a ridge portion corresponding to the ridge portion is formed on the heat insulating material side. Since it is configured to insert the recessed part of the heat insulating material into the protruding part of the rail part and fix the heat insulating material to the indoor four-sided frame material, the structure of a wide variety of steel heat insulating door frames can be obtained. It can be widely applied as a heat insulating material and a reduction in manufacturing cost can be achieved. And the like, which are extremely useful new effects.

[Brief description of drawings]

FIG. 1 is an overall front view of a steel heat insulating door frame and a heat insulating door.

FIG. 2 is a cross-sectional view of a steel heat insulating door frame and a heat insulating door.

FIG. 3A is an enlarged cross-sectional view of a heat insulating material. (B) is sectional drawing which shows the other structure of a heat insulation base material.

FIG. 4 is an explanatory diagram showing an assembling process.

FIG. 5A is a partially omitted enlarged cross-sectional view showing another configuration example. (B) is a cross-sectional view showing another configuration of the heat insulating door frame made of steel.

FIG. 6 is a vertical sectional view of a sleeve.

FIG. 7 is an overall front view of a steel heat insulating door frame and a heat insulating door having another configuration.

FIG. 8 is a cross-sectional view of a steel heat insulating door frame and a heat insulating door having another configuration.

FIG. 9 is a vertical sectional view of a steel heat insulating door frame and a heat insulating door having another configuration.

10 (a) and 10 (b) are enlarged cross-sectional views of a heat insulating material showing another configuration.

[Explanation of symbols]

2 Steel insulated door frame 7 insulation 7a body 8 ridges 10 concave section 17 Rail 18 ridge A outdoor four-sided frame material B Indoor four-sided frame material

Continued front page    (72) Inventor Hiroshi Mizuki             2-1, 1-1 Nishishinjuku, Shinjuku-ku, Tokyo Sanwa             Inside Shatter Industry Co., Ltd. (72) Inventor Isao Takahashi             2-1, 1-1 Nishishinjuku, Shinjuku-ku, Tokyo Sanwa             Inside Shatter Industry Co., Ltd. F-term (reference) 2E011 EA02 EB02 EE01 EF02

Claims (5)

[Claims] 1. A heat insulating door frame is formed between a room outside and a room outside of a four-sided frame that faces and surrounds each end surface of the heat insulating door. Is composed of an elongated main body made of a hard heat insulating resin formed into a prismatic shape, and the steel four-peripheral frame is formed with an outdoor-side four-peripheral frame material and an indoor-side four-peripheral frame material, and between the both four-peripheral frame materials. A heat insulating structure for a steel heat insulating door frame, characterized in that the heat insulating material is concealed invisible when the heat insulating material is sandwiched between the two to form a heat insulating door frame. 2. The outdoor four-sided frame material is made of steel, the outdoor side four-sided frame material is provided with a fixing portion for positioning and fixing the body of the heat insulating material, and the indoor side four-sided frame material is aluminum. It is made by integrally forming a rail part that inserts the head of the fixing bolt on the sandwiching surface with the outdoor four-sided frame material, and the tip of the fixing bolt inserted into the rail part penetrates the body of the heat insulating material. The heat insulating material according to claim 1, wherein the heat insulating material is sandwiched and fixed between the four outer frame members by screwing with a nut so as to project to the back side of the sandwiching surface of the outer outer peripheral frame member. Insulation structure of door frame. 3. The outer surface of the main body constituting the heat insulating material,
2. The heat insulating structure for a heat insulating door frame made of steel according to claim 1, wherein the ridges made of soft resin are spaced apart and extended in the longitudinal direction at a predetermined interval. 4. Each of the four-circumferential frame members constituting the steel heat-insulating door frame has a common shape portion for various frame shapes based on the shape of the main body of the heat-insulating material sandwiched therebetween. It is comprised, The heat insulation structure of the steel insulation door frame of Claim 1, 2 or 3 characterized by the above-mentioned. 5. The indoor four-sided frame member is integrally formed as an extruded aluminum member with a rail portion through which the head of a fixing bolt is inserted, and a ridge portion is formed in the longitudinal direction of the rail portion. A concave strip portion corresponding to the convex strip portion is formed on the heat insulating material side, and the concave strip portion of the heat insulating material is inserted into the convex strip portion of the rail portion so that the heat insulating material is fixed to the indoor four-side frame member. It is comprised in 1.
The heat insulating structure of the steel heat insulating door frame described in 4.