JP4309816B2 - Corner joint for sash frame assembly - Google Patents

Description

  The present invention relates to a corner joint for assembling a sash frame, and more particularly, to a convenient corner joint for assembling a sash frame that can form a sash frame material without making a screw hole in the sash frame material.

A sash frame made of a light alloy hollow extruded material is currently widely used in the construction field. A conventional sash frame of this type has been assembled by combining a pair of vertical frame members and a pair of horizontal frame members in a “□” shape, and fixing the contact portions of the frame members with screws.
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  However, in the conventional sash frame, in order to fix with a screw, a screw hole has to be formed in one of a pair of sash frame materials to be fixed. This screw hole formation was usually done at the sash frame assembly work site, but positioning of the screw holes is cumbersome, requiring skill, reducing the efficiency of the sash frame assembly work and reducing the finishing accuracy. It was a cause. Moreover, skill was required, and the work cost was naturally increased accordingly.

  As a result of research conducted by the present inventor to solve the above-described conventional problems relating to the assembly work of the sash frame, it is not necessary to make a screw hole in the sash frame material, and the sash frame materials can be accurately and quickly coupled to each other. The present invention proposes a corner joint for assembling a sash frame that can be used for the present invention.

  For screw screwing, which has an inner cylinder portion 10 having a quadrangular prism shape and is surrounded by a pair of inner peripheral surfaces 8, 8 and a pair of projecting pieces 9, 9 near one corner in the inner cylinder portion 10. A sash frame member 7 made of a hollow extrusion molding material in which the groove portion 22 is formed in the longitudinal direction is combined at right angles to form a sash frame 25 having a square shape, and a body 1 having a rectangular parallelepiped shape. And a shelf-like sash frame material end face fixing plate 2 integrally formed so as to project outward from one side surface of the main body 1, and from one end face 3 of the main body 1 to the other end face 4, a screw shaft portion insertion long hole 5 having a small diameter and a screw head portion insertion concave hole 6 having a large diameter are continuously formed, and the end surface 3 on the screw shaft portion insertion hole 5 side is formed as one sash. Abutting with the end surface 20 of the frame member 7, A screw 21 is inserted into the concave insertion portion 6 for inserting the head of the head, and the screw 21 is screwed into the screw-engaging groove portion 22 of the sash frame member 7 so that the end surface 20 of one sash frame member 7 is connected in series. The main body 1 is fixed, and a screw shaft portion insertion through hole 15 with a small diameter and a plate-shaped through hole 16 with a large screw head insertion are provided on the open end side of the sash frame end surface fixing plate 2. It is formed integrally through the front and back, and the end surface 17 on the screw shaft portion insertion hole 15 side is brought into contact with the end surface 23 of the other sash frame member 7 so that the screw shaft portion insertion hole 15 and the screw head portion are inserted. The screw 21 is inserted into the dish-shaped through-hole 16 and the screw 21 is screwed into the screw screw groove 22 of the sash frame member 7 to solve the above problem.

  Unlike conventional products, it is no longer necessary to provide screw holes for connection in the sash frame material in order to connect the sash frame materials to each other, making it possible to perform sash frame assembly work on the site extremely smoothly and accurately. In addition, since the assembling work can be performed even if not skilled, the cost of the sash frame assembling work can be reduced.

  For screw screwing, which has an inner cylinder portion 10 having a quadrangular prism shape and is surrounded by a pair of inner peripheral surfaces 8, 8 and a pair of projecting pieces 9, 9 near one corner in the inner cylinder portion 10. A sash frame member 7 made of a hollow extrusion molding material in which the groove portion 22 is formed in the longitudinal direction is combined at right angles to form a sash frame 25 having a square shape, and a body 1 having a rectangular parallelepiped shape. And a shelf-like sash frame member end face fixing plate 2 integrally formed so as to project outward from one side surface of the main body 1, and from one end face 3 to the other end face 4 of the main body 1. A screw shaft portion insertion long hole 5 having a small diameter and a screw head portion insertion concave hole 6 having a large diameter are continuously formed, and the end surface 3 on the screw shaft portion insertion hole 5 side is formed as one sash frame. Abutting with the end face 20 of the material 7, the screw shaft insertion slot 5 and the screw head A screw 21 is inserted into the concave recess 6 and the screw 21 is screwed into a screw threading groove 22 of the sash frame member 7, thereby fixing the main body 1 in series to the end surface 20 of one sash frame member 7. In addition, the screw shaft portion insertion through-hole 15 having a small diameter and the plate-shaped through-hole 16 for inserting a large screw head at the open end side of the sash frame end surface fixing plate 2 are penetrated through the front and back sides. Integrally formed, the end surface 17 on the screw shaft portion insertion through hole 15 side is brought into contact with the end surface 23 of the other sash frame member 7, and the screw shaft portion insertion hole 15 and the screw head insertion plate-shaped through hole The screw 21 is inserted into the screw 16 and the screw 21 is screwed into the screw screwing groove 22 of the sash frame member 7.

  1 is a front view of an embodiment of a corner joint for sash frame assembly according to the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a side view thereof viewed from the left side in FIG. 1, and FIG. FIG. As shown in FIG. 7, the sash frame material 7 is combined in the vertical and horizontal directions to form the sash frame 25. The sash frame material 7 is made of a hollow extruded material made of a light alloy material. As shown in FIG. A threaded screw groove 22 surrounded by a pair of inner peripheral surfaces 8 and 8 and a pair of projecting pieces 9 and 9 is provided in the inner cylinder portion 10 near one corner. It is formed in the direction.

  On the other hand, the corner joint for sash frame assembly according to the present invention is integrally formed so as to project outward from one side of the main body 1 having a rectangular parallelepiped shape as shown in FIGS. And a shelf-like sash frame member end face fixing plate 2, which are integrally formed of a hard synthetic resin.

  A screw shaft portion insertion long hole 5 with a small diameter and a screw head insertion concave portion 6 with a large diameter are formed continuously from one end surface 3 to the other end surface 4 of the main body 1. An overhanging piece 9 that comes into contact with the peripheral surface 28 of the sash frame member 7 from the outside is formed at the upper edge of the end surface 3, and a projection portion 12 that comes into contact with the peripheral surface of the inner cylinder portion 10 of the sash frame member 7 is located near the lower portion of the end surface 3. Small projections 14 and 14 that are in contact with the outer surface and the inner surface of the sash frame member 7 are formed on the left and right sides of the small projection portion 12, respectively.

  On the other hand, on the open end side of the sash frame end face fixing plate 2, a screw shaft portion insertion through-hole 15 with a small diameter and a plate-like through hole 16 for screw head insertion with a large diameter are formed integrally through the front and back. Has been.

  The shaft core A of the screw shaft portion insertion through hole 15 and the screw head insertion plate-shaped through hole 16 is formed in the screw shaft portion insertion long hole 5 and the screw head insertion recess hole formed in the main body 1. It is displaced by 90 ° from the axis B of the part 6.

  Further, a positioning projection 19 is formed in contact with the inner peripheral surface 8 of the inner tube portion 10 of the sash frame member 7 on the outer side of the end surface 17 on the screw shaft insertion through hole 15 side.

  This embodiment has the structure as described above. As shown in FIGS. 5 and 6, the end surface 3 of the main body 1 is brought into contact with the end surface 20 of one sash frame member 7, and the shaft insertion length is set with screws. A screw 21 is inserted into the hole 5 and the screw head insertion concave portion 6, and the screw 21 is screwed into a screw screwing groove 22 formed in the inner cylinder portion 10 of the sash frame member 7. The sash frame member 7 is fixed to the end face 20.

  The end face 3 of the main body 1 is formed with an overhanging piece 9, a protruding portion 12, and a small protrusion 14, which come into contact with the corresponding portions of the sash frame member 7, so that the end face 3 of the main body 1 is Thus, the sash frame member 7 is accurately positioned at a predetermined position on the end face 20.

  In this state, the end surface 23 of the other sash frame member 7 is brought into contact with the inner surface of the sash frame member end surface fixing plate 2, that is, the end surface 17 on the screw shaft portion insertion hole 15 side, and the screw 21 is inserted into the screw head portion. The sash frame member end face fixing plate 2 is inserted into the dish-shaped through hole 16 and the screw shaft portion insertion through hole 15 and screwed into the screw threading groove 22 of the inner cylinder portion 10 of the sash frame member 7. It is fixed to the end surface 23 of the frame member 7.

  The sash frame member end face fixing plate 2 has a protrusion 19, and the sash frame member end face fixing plate 2 is brought into contact with the peripheral surface of the inner cylinder portion 10 of the sash frame member 7. Thus, the frame member 7 is accurately positioned at the opposing portion.

  Thus, by fixing the end surface 3 of the main body 1 to the end surface 20 of one sash frame member 7 and fixing the sash frame member end surface fixing plate 2 to the end surface 23 of the other sash frame member 7, a pair of sash frame members is obtained. 7 are coupled at right angles at the respective end faces 20 and 23. Accordingly, by making these connections at the four corners, a square-shaped sash 25 as shown in FIG. 7 is assembled.

  As described above, since the pair of sash frame members 7 and 7 are coupled via the corner joint according to the present invention, it is necessary to separately form a screw hole for coupling in the sash frame member 7 as in the conventional case. As a result, the sash frame assembly work on site can be performed extremely smoothly and accurately. Further, since the sash frame assembling work can be carried out without requiring special skill, the work cost can be reduced.

  It can be used in various architectural fields.

The perspective view of one Example of the corner joint for a sash frame assembly which concerns on this invention. The same top view. The side view seen from the left side in FIG. The side view seen from the right side in FIG. The perspective view explaining the point which couples a pair of sash frame materials 7 and 7 using the corner joint for sash frame assembly concerning the present invention. Similarly, in order to demonstrate the point which couple | bonds a pair of sash frame materials 7 and 7 using the corner joint for sash frame assembly which concerns on this invention, the expanded sectional view of the principal part notched and drawn. The front view of the sash frame assembled using the corner joint for sash frame assembly which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Sash frame material end surface fixing plate 3 End surface 4 End surface 5 Long hole for screw shaft part insertion 6 Recessed hole for screw head part insertion 7 Sash frame material 8 Inner peripheral surface 9 Overhang piece 10 Inner cylinder part 12 Projection part 14 Small Projection 15 Screw shaft portion insertion through hole 16 Screw head insertion plate-shaped through hole 17 End surface 19 Projection 20 End surface 21 Screw 22 Screw threading groove 23 End surface 25 Sash frame 28 Circumferential surface

Claims (1)

For screw screwing, which has an inner cylinder portion 10 having a quadrangular prism shape and is surrounded by a pair of inner peripheral surfaces 8, 8 and a pair of projecting pieces 9, 9 near one corner in the inner cylinder portion 10. A sash frame member 7 made of a hollow extrusion molding material in which the groove portion 22 is formed in the longitudinal direction is combined at right angles to form a sash frame 25 having a square shape, and a body 1 having a rectangular parallelepiped shape. And a shelf-like sash frame material end face fixing plate 2 integrally formed so as to project outward from one side surface of the main body 1, and from one end face 3 of the main body 1 to the other end face 4, a screw shaft portion insertion long hole 5 having a small diameter and a screw head portion insertion concave hole 6 having a large diameter are continuously formed, and the end surface 3 on the screw shaft portion insertion hole 5 side is formed as one sash. Abutting with the end surface 20 of the frame member 7, A screw 21 is inserted into the concave insertion portion 6 for inserting the head of the head, and the screw 21 is screwed into the screw-engaging groove portion 22 of the sash frame member 7 so that the end surface 20 of one sash frame member 7 is connected in series. The main body 1 is fixed, and a screw shaft portion insertion through hole 15 with a small diameter and a plate-shaped through hole 16 with a large screw head insertion are provided on the open end side of the sash frame end surface fixing plate 2. It is formed integrally through the front and back, and the end surface 17 on the screw shaft portion insertion hole 15 side is brought into contact with the end surface 23 of the other sash frame member 7 so that the screw shaft portion insertion hole 15 and the screw head portion are inserted. A corner joint for assembling a sash frame, wherein a screw 21 is inserted into the dish-shaped through hole 16 and the screw 21 is screwed into a screw threading groove 22 of the sash frame member 7.

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