JPS635545B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat-insulating connection structure for sash frame materials constituting fixed sash frames provided in openings of buildings, sash frames for shoji doors, and the like.

Conventionally, in order to provide insulation to fixed sash frames installed at openings in buildings, sash frames for shoji doors, etc., the sash frame was divided into an indoor frame material and an outdoor frame material, and each frame material was insulated. It is known to connect via a flexible connecting member.

An object of the present invention is to provide a heat insulating connection structure for a sash frame material that can firmly and insulatingly connect an indoor frame material and an outdoor frame material constituting a sash frame in a stable state by a simple means. It is something.

Next, the present invention will be explained in detail using illustrated examples.

FIG. 1 shows a frame material for a sash used in a first embodiment of the present invention, in which the aluminum indoor frame material 1 having a hollow hole 11 has two parts protruding toward the outside, that is, the outdoor side, toward each other. A connecting groove 3 in the shape of an outward opening groove having a locking flange 2 and a sealing material supporting protrusion 12 are formed so as to extend continuously in the longitudinal direction of the frame material, and the outdoor frame material is made of aluminum. On the inside of 4, that is, on the indoor side, there is a locking flange 2.
The connecting groove 5 having an outward opening groove shape and the sealing material supporting protrusion 13 are formed so as to extend continuously in the longitudinal direction of the frame material.

FIG. 2 shows the connecting piece unit 7 used in the first embodiment of the present invention, in which the connecting piece unit 7 is fitted over one side and the other side of the groove width of each of the connecting grooves 3 and 5. A locking flange 2 of each connecting groove 3, 5 is attached to a pair of synthetic resin heat insulating connecting pieces 6, respectively.
A locking groove 14 into which the connecting piece 6 is fitted is provided, and an engaging groove 8 having a semicircular cross section extending in the longitudinal direction of the connecting piece 6 is provided on the opposing surface 15 of each connecting piece 6, and each connecting piece 6 has the same shape. It's summery. In addition, in order to facilitate insertion of the connecting piece unit 7 into the connecting grooves 3 and 5,
The outer dimensions of the fitting portion of the connecting piece unit 7 into the connecting groove are made slightly smaller than the inner dimensions of the connecting grooves 3 and 5.

FIG. 3 shows a tightening pin 10 used in the first embodiment of the present invention, in which a thin circular stopper 9 is integrally provided in the middle part of a metal pin body 16 with a circular cross section. In addition, tapered portions 17 for guiding insertion are provided at both ends of the pin body 16.
Further, the radius of the pin body 16 is set to be slightly larger than the maximum depth of the engagement groove 8.

4 to 8 show a first embodiment of the present invention. First, as shown in FIGS. 4 and 5, connecting grooves of the indoor frame member 1 configured as described above are 3 and the connecting groove 5 of the outdoor frame material 4 are arranged so as to face each other in a parallel state, and the first connecting piece unit 7 is composed of a pair of connecting pieces 6.
are fitted across the respective connecting grooves 3 and 5 and moved to a predetermined position in the longitudinal direction of the frame material, and then, while holding each connecting piece 6 so as not to move in the longitudinal direction of the frame material, they are placed facing each other. One side of the tightening pin 10 is pressed into one end of the hole formed by the engagement groove 8 of each connecting piece 6, by tapping or pushing, and the stopper 9 engages with the end surface of each connecting piece 6. By press-fitting the tightening pin 10, the connecting pieces 6 are relatively moved in the direction away from each other, so that the tightening surfaces 18 on both sides of each connecting piece 6 fit into the grooves of the connecting grooves 3 and 5. It is pressed against the side.

Next, a second connecting piece unit 7 consisting of a pair of connecting pieces 6 is fitted across each of the connecting grooves 3 and 5, and is moved toward the first connecting piece unit to complete the first connecting piece unit 7. The other side of the tightening pin 10 press-fitted into the one unit is press-fitted into one end of the hole formed by the engagement groove 8 of the second connecting piece unit, and each of the tightening pins 10 in the second connecting piece unit The end face of the connecting piece is pressed against the stopper 9, and the end face of each connecting unit 7 is brought close to each other through a small gap,
A pair of connecting pieces 6 in the second connecting piece unit
are also relatively moved in directions away from each other by the press-fitting of the tightening pin 10, and the tightening surfaces 18 on both sides of each connecting piece 6 are pressed against the groove side surfaces of each connecting groove 3, 5.

Thereafter, in the same manner, the press-fitting of the tightening pin 10 and the press-fitting of the connecting piece unit 7 are performed alternately a necessary number of times, and the sealing material supporting protrusions 12, 1
3 and a groove-shaped portion between the groove side plates of the connecting grooves 3 and 5;
A sealing material 19 made of silicone rubber, synthetic rubber, or other heat-insulating material is fitted into the seal groove formed by one of the connecting pieces 6, and a heat-insulating frame for sashes as shown in FIGS. 6 and 7 is formed. material is constructed.

The insulation frame material constructed in this way is cut at appropriate lengths at both ends (diagonally cut at a 45° angle).
Four heat insulating frame members with both ends cut (obliquely cut) are arranged to form a rectangle, and the joints (corner parts) of the ends of each heat insulating frame member are connected to each other. As the coupling means, a means of fitting an L-shaped connector into the hollow hole 11 and fixing it by caulking or screws may be adopted, or a fixing means by welding may be adopted.

FIG. 8 shows a part of a shoji door using the heat insulating frame material of the first embodiment, in which 20 is glass, 21 is a glass liner, and 22 is a sealing material.

Note that the sealing material supporting protrusion 1 in the first embodiment
2, 13 and the sealing material 19 may be omitted.

FIG. 9 shows a connecting piece unit 7 used in a second embodiment of the invention, in which a recess 23 capable of accommodating half the thickness of the stopper 9 is provided on the end face of the connecting piece 6. The other structure is the same as that of the connecting piece unit shown in FIG.

10 and 11 show a second embodiment of the present invention, in which the stopper 9 of the tightening pin 10 is accommodated in the recess 23 in the end face of the connecting piece 6 in the adjacent connecting piece unit 7. , the end surfaces of the connecting pieces 6 that are adjacent to each other in the longitudinal direction of the frame material are butted against each other, and the sealing material supporting protrusions 12 and 13 and the sealing material 19 in the first embodiment are omitted;
The other configurations are the same as in the first embodiment.

FIGS. 12 and 13 show other examples of the tightening pin 10 that can be used in the present invention, in which the periphery of the intermediate portion of the pin body 16 is partially crushed by a press. , a plurality of stoppers 9 are formed to protrude.

FIG. 14 shows another example of the connecting piece 6 that can be used in the present invention, in which the connecting grooves 3 and 5 are provided on both sides of the connecting piece main body 24 having a rectangular cross section in the width direction. A locking protrusion 25 that is engaged with the back side of the locking flange 2 is integrally provided, and on the other long side of the connecting piece main body 24,
An engagement groove 8 having a semicircular cross section is provided that extends in the longitudinal direction of the connecting piece main body.

When carrying out this invention, one end surface of the connecting piece 6 may be flattened over the entirety, and a recessed portion capable of accommodating the entire stopper may be provided on the other end surface. Further, as the material constituting the connecting piece 6, a heat insulating material other than synthetic resin may be used. Further, the cross-sectional shapes of the indoor frame material and the outdoor frame material may have shapes other than those shown.

A plurality of engagement grooves 8 may be provided in parallel in each of the opposing connecting pieces 6, and the tightening pins 10 may be tightened by a plurality of tightening pins 10. Also, the cross-sectional shape of the tightening pins may not be circular but square or square. Polygonal and engaging groove 8
The shape may be made to match this.

FIGS. 15 and 16 show other examples of the connecting piece unit that can be used in the present invention, in which a pair of synthetic resin heat-insulating connecting pieces 6 are approximately equal in length to each other. The connecting pieces 6 are arranged relatively shifted by a distance in the longitudinal direction, and the ends of each connecting piece 6 are connected via a synthetic resin connecting plate 26, but the other configuration is the connecting piece shown in FIG. The same is true for units.

When each connecting piece 6 in the connecting piece unit 7 shown in FIGS. 15 and 16 is arranged at a predetermined position in the longitudinal direction of each frame material 1, 4, the connecting piece unit 7 is When the leading connecting piece is fitted into the grooves 3 and 5 and moved in the longitudinal direction of the frame material and reaches a predetermined position, the trailing connecting piece is held in place so as not to move forward. As shown in FIG. 17, the connection plate 26 is cut and the following connection piece is moved forward by forcefully moving it forward with a pressing tool such as When the same position is reached, the forward movement can be stopped.

According to this invention, the connecting groove 3 in the shape of an outward opening groove having the locking flanges 2 protruding in the direction toward each other is formed on the outside of the indoor frame material 1 so as to extend in the longitudinal direction of the frame material. On the inside of the outdoor frame material 4, an inwardly opening groove-shaped connecting groove 5 having locking flanges 2 protruding in the direction toward each other is formed so as to extend in the longitudinal direction of the frame material, and the connecting groove 5 extends in the longitudinal direction of the frame material. A large number of connection piece units 7 are fitted over the connection grooves 3 and 5, and each connection piece unit 7 has a pair of heat-insulating connections located on one side and the other side of the groove width of each connection groove 3 and 5. A tightening pin having a stopper 9 in the middle is provided in the engagement groove 8 formed on the opposing surface of a pair of heat-insulating connecting pieces 6 in the connecting piece unit 7 which is composed of pieces 6 and adjacent in the longitudinal direction of the frame material. Since one side and the other side of the frame 10 are press-fitted together, the connecting piece unit 7 allows the indoor frame member 1 and the outdoor frame member 4 to be kept in a stable state without moving in the indoor/outdoor direction. A strong adiabatic connection can be made, and by simply press-fitting the tightening pin 10 into the engagement groove 8 provided on the opposing surface of the pair of adiabatic connection pieces 6 in the connection piece unit 7, the pair of By moving the heat-insulating connecting pieces 6 relatively in directions away from each other and strongly pressing both sides of each heat-insulating connecting piece 6 against the groove sides of the respective connecting grooves 3 and 5, the indoor frame member 1 and The outdoor frame material 4 can be connected extremely firmly in a stable state so that it does not shift in the fitting groove width direction, and furthermore, since the stopper 9 is provided in the middle of the tightening pin 10, adjacent connections can be made. Both side portions of the tightening pin 10 can be press-fitted into the piece unit 7 by a predetermined amount, and each connecting piece unit 7
are connected via the tightening pin 10,
Effects such as being able to improve the bending strength of the heat insulating frame material at the joint positions of the connecting piece units 7 can be obtained.

[Brief explanation of the drawing]

Fig. 1 is a cutaway perspective view of a sash frame material used in the first embodiment of the present invention, Fig. 2 is a perspective view of a connecting piece unit used in the first embodiment of the invention, and Fig. 3 is a perspective view of the sash frame material used in the first embodiment of the invention. FIG. 3 is a side view of a tightening pin used in the first embodiment. 4 to 8 show a first embodiment of the present invention, and FIG. 4 is a partially cutaway plan view showing a state in which the heat insulating frame material is assembled;
FIG. 5 is a cross-sectional view taken along the line A-A, and FIG. 6 is a plan view showing a part of the frame material for the sash that is thermally connected.
FIG. 7 is a sectional view taken along the line B--B, and FIG. 8 is a sectional view showing a part of a shoji door using the sash frame material of the first embodiment. FIG. 9 is a perspective view showing a connecting piece unit used in the second embodiment of the present invention, FIG. 10 is a plan view showing the heat-insulating connection structure of the second embodiment of the present invention, and FIG. 11 shows a part of it. FIG. Fig. 12 is a side view showing another example of the tightening pin, Fig. 13 is a front view thereof, and Fig. 14 is a side view showing another example of the tightening pin.
The figure is a perspective view showing another example of the connecting piece. 15th
The figure is a perspective view showing another example of a connecting piece unit that can be used in the present invention, and FIG. 16 is a side view thereof.
FIG. 17 is a side view showing a state in which each connecting piece in the connecting piece unit is arranged at a predetermined position. In the figure, 1 is an indoor frame material, 2 is a locking flange, 3 is a connecting groove, 4 is an outdoor frame material,
5 is a connecting groove, 6 is a heat insulating connecting piece, 7 is a connecting piece unit, 8 is an engaging groove, 9 is a stopper, 10 is a tightening pin, 14 is a locking groove, 18 is a tightening surface, 19 is a seal The material 23 is a recess.

Claims (1)

[Claims] 1. On the outside of the indoor frame material 1, an outwardly opening groove-shaped connecting groove 3 having locking flanges 2 protruding in the direction of approaching each other is formed so as to extend in the longitudinal direction of the frame material. An inward opening groove-shaped connecting groove 5 having locking flanges 2 protruding toward each other is formed on the inside of the frame member 4 so as to extend in the longitudinal direction of the frame material, and extends across the connecting grooves 3 and 5. A large number of connecting piece units 7 are inserted into the connecting grooves 3 and 5.
One of the connecting piece units 7 adjacent to each other in the longitudinal direction of the frame material is constituted by a pair of heat-insulating connecting pieces 6.
A tightening pin 1 having a stopper 9 in the middle is provided in the engagement groove 8 formed on the opposing surfaces of the pair of heat-insulating connecting pieces 6.
1. A heat-insulating connection structure for a frame material for a sash, characterized in that one side and the other side of the frame are press-fitted.