JP2021156052A - Renovation sash and mounting method thereof - Google Patents

Abstract

To provide a technique capable of facilitating renovation work of a renovation sash.SOLUTION: A renovation sash 1 provided to an opening 4 of a building and is attached to the inner peripheral side of an existing frame 12 of the opening 4, includes: a cover body 16 that covers the inner peripheral side of each frame constituting the four sides of the existing frame 12; a new frame 10 that is placed at the inner peripheral side of the cover body 16. The cover body 16 has a mounting part that can be attached to the new frame 10.SELECTED DRAWING: Figure 1

Description

The present disclosure relates to a refurbished sash and its mounting method.

Patent Document 1 discloses a refurbished window structure in which a new frame is provided in an opening formed by an existing frame. This refurbished window structure includes a new frame attached to the inner peripheral side of the existing frame, a shoji screen provided on the new frame, and an upper cover material, a lower cover material, and a vertical cover material that cover between the existing frame and the new frame. .. The new frame is fixed to the skeleton with screws. The upper cover material is screwed to the attachment fixed to the new upper frame, the lower cover material is screwed to the new lower frame, and the vertical cover material is screwed to the connecting member fixed to the new vertical frame.

JP-A-2017-101472

If the refurbishment work of the refurbishment sash is easy, it is desirable because the burden on the on-site worker who carries out the refurbishment work is reduced.

An object of the present disclosure is to provide a technique for facilitating the refurbishment work of a refurbished sash.

In order to solve the above problems, one aspect of the present disclosure is a refurbished sash provided at an opening of a building, which is attached to the inner peripheral side of an existing frame provided at the opening and constitutes four sides of the existing frame. It includes a cover body that covers the inner peripheral side of each frame, and a new frame that is arranged on the inner peripheral side of the cover body. The cover body has a mounting portion that is attached to the new frame.

Another aspect of the present disclosure is a method of attaching a refurbished sash provided at an opening in a building. This method includes a step of attaching the cover body to the inner peripheral side of the existing frame provided at the opening, a step of arranging the new frame on the inner peripheral side of the cover body, and a step of attaching the new frame to the mounting portion of the cover body. ,including.

It is a vertical sectional view of the refurbished sash of an Example. It is an enlarged sectional view of the upper side of the refurbished sash of an Example. It is a perspective view of the suspension member. FIG. 5 is an enlarged cross-sectional view of the lower side of the refurbished sash of the embodiment. It is a perspective sectional view of a lower cover frame and a spacer. It is a figure for demonstrating the mounting method of a spacer. It is sectional drawing in the horizontal direction of the refurbished sash of an Example. It is a partial perspective view of the cover body, and is the figure for demonstrating the connection of the cover body. It is a schematic diagram for demonstrating the mounting method of a new shoji.

FIG. 1 is a vertical cross-sectional view of the modified sash 1 of the embodiment. The refurbished sash 1 is used as a part of fittings in combination with the new shoji screen 14. A skeleton 28 forming an opening 4 is provided in a wall portion 2 that separates an indoor space from an outdoor space, and the skeleton 28 is provided with fittings including a refurbished sash 1. The skeleton 28 is a skeleton structure in which a plurality of skeleton materials are assembled, and is formed of a material such as wood or a resin material to which screws can be screwed, and supports a frame member 24 or the like. The indoor space and the outdoor space are located on both sides in the prospective direction of the new shoji screen 14 housed in the refurbished sash 1.

The refurbished sash 1 includes a new frame 10, a new shoji 14, a cover body 16, a screen door 18, a decorative material 30, a parting material 32, an attachment 34, a spacer 36, and a connecting tool 39.

The new frame 10 is newly attached for refurbishment and functions as a frame body for supporting the new shoji 14. The new frame 10 is formed of a metal material or a resin material by extrusion molding or the like, and has a new upper frame 20a, a new lower frame 20b, and a pair of new vertical frames 20c. The new frame 10 is formed in a rectangular shape by connecting the new upper frame 20a, the new lower frame 20b, and the pair of new vertical frames 20c.

The new shoji 14 is provided on the inner peripheral side of the new frame 10 and is slidably attached to the new frame 10. In the example of FIG. 1, the newly installed shoji 14 shows an embodiment of two sheets, but the number is not limited to two, and may be one or three or more. In the following description, the thickness direction of the newly installed shoji 14 is referred to as the prospective direction, and the direction orthogonal to the prospective direction is referred to as the finding direction.

The existing frame 12 is a rectangular frame and has been attached to the skeleton 28 before the renovation. The existing frame 12 and the frame member 24 are connected. The existing frame 12 has an existing upper frame 22a, an existing lower frame 22b, and a pair of existing vertical frames 22c. The existing frame 12 is made of a metal material and is formed by extrusion molding or the like. The frame member 24 is formed in a rectangular shape by a plate material.

The decorative material 30, the parting material 32, and the attachment 34 are provided on the indoor side, and cover between the new frame 10 and the existing frame 12 from the indoor side. The decorative material 30 is formed in a plate shape and extends along the finding direction. The parting material 32 supports one end of the decorative material 30 and is fixed to the frame member 24. The attachment 34 supports the other end of the decorative material 30 and is fixed to the new frame 10. The attachment 34 is fixed to the new frame 10 and limits the movement of the new frame 10 in the prospective direction.

The connector 39 connects the new upper frame 20a of the new frame 10 to the skeleton 28 of the building, and can directly transmit the load of the new upper frame 20a to the skeleton 28. “Directly” means that the load of the new upper frame 20a can be directly transmitted to the skeleton 28 without going through the existing frame 12.

The decorative material 30, the parting material 32, and the attachment 34 are not limited to those composed of three members, and may be composed of one member or two members. The decorative material 30, the parting material 32, and the attachment 34 are collectively referred to as a decorative member, which constitutes the interior design surface of the refurbished sash 1.

The cover body 16 is formed in a rectangular shape and covers the inner peripheral side and the outdoor side of the four sides of the existing frame 12. Further, the cover body 16 is connected to the new frame 10 and the existing frame 12, and functions to attach the new frame 10 to the existing frame 12. In this way, the cover body 16 has a function of covering the existing frame 12 and a function of attaching the new frame 10 to the existing frame 12, so that the sash used at the time of new construction can be remodeled without preparing a new frame dedicated to the refurbished sash. It can be used as a new frame 10 for the sash 1, and the options for the new frame 10 can be increased at the time of remodeling. Further, the number of parts of the refurbished sash 1 can be reduced, and the mounting process of the refurbished sash 1 can be facilitated.

FIG. 2 is an enlarged cross-sectional view of the upper side of the refurbished sash 1. The existing upper frame 22a of the existing frame 12 has a base plate portion 50, a ridge portion 52, an outer wall portion 54, and a seating portion 55. The base plate portion 50 extends along the upper side of the opening 4 and extends in a prospective direction from the outdoor side toward the frame member 24 in the vertical cross section. The ridges 52 are formed in pairs so as to project downward from the base plate 50. The ridge portion 52 functioned as a rail for guiding the slide of the existing shoji (not shown).

The outer wall portion 54 is formed so as to hang down from the outdoor end portion of the base plate portion 50. The seating portion 55 is formed at the end portion of the base plate portion 50 on the indoor side, and is seated so as to be caught on the surface of the frame member 24. The seating portion 55 is screwed to the skeleton 28.

The new upper frame 20a of the new frame 10 has a base plate portion 56, a ridge portion 58, a protruding piece 60, an outer wall portion 62, and a joint portion 64. The base plate portion 56 extends along the upper side of the opening 4 and extends in the prospective direction in the vertical cross section. The base plate portion 56 is formed of two members and is crimped by the joint portion 64 to be integrated. The ridges 58 are formed in pairs so as to project downward from the base plate 56. The ridge portion 58 functions as a rail for guiding the slide of the newly installed shoji 14.

The projecting piece 60 projects upward from a position in the middle of the base plate portion 56, that is, toward the outer periphery in the finding direction. The projecting pieces 60 may be continuously formed in the directions orthogonal to the prospective direction and the vertical direction, and may be partially formed so as to project a plurality of projecting pieces. The protruding piece 60 is located between the pair of ridges 58 in the prospective direction. The projecting piece 60 has a contact surface that comes into contact with the cover body 16. The outer wall portion 62 is formed so as to hang down from the outdoor end portion of the base plate portion 56. The protruding piece 60 can be easily screwed to the cover body 16.

The upper cover frame 26a of the cover body 16 has a first plate portion 70, a second plate portion 72, a hollow portion 74, a first tapping hole 76a, a second tapping hole 76b, and a mounting portion 78.

The first plate portion 70 of the upper cover frame 26a extends along the upper side of the opening 4 and extends in the prospective direction in the vertical cross section. The first plate portion 70 has a step 70a at the position of the mounting portion 78 in the middle, and the indoor side is displaced upward by the step 70a and approaches the frame member 24. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface.

The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. A first tapping hole 76a and a second tapping hole 76b are formed in the hollow portion 74.

The hollow portion 74 is provided at a position overlapping the outer peripheral side of the new frame 10 in the finding direction. By forming the hollow portion 74 on the upper cover frame 26a, the load bearing capacity of the refurbished sash 1 can be improved, and even if the newly installed shoji 14 receives a strong wind and an impact or load is applied upward to the new upper frame 20a, the hollow portion 74 can absorb.

The mounting portion 78 is located on the side surface of the hollow portion 74 on the indoor side, and has a mounting surface 78a with the new upper frame 20a. The mounting portion 78 projects from the first plate portion 70 in the inner peripheral direction in the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side. The mounting surface 78a can be formed wide upward by the step 70a, and the surface to be matched with the protruding piece 60 of the new upper frame 20a can be widened. By providing the mounting portion 78 on the side surface of the hollow portion 74, the tip of the first screw 40 can be accommodated inside the hollow portion 74. The first screw 40 is located on the outer peripheral side of the new frame 10.

With the indoor end of the first plate 70 and the seating portion 55 of the existing upper frame 22a facing each other, they are connected from below by the second screw 42 and directly fixed to the skeleton 28. As a result, the load of the first plate portion 70 is transmitted to the skeleton 28 without going through the existing frame 12. The indoor end of the first plate 70 functions as a fixing portion 70b fixed to the skeleton 28. The second screw 42 is screwed in the upper direction in the finding direction, penetrates the upper cover frame 26a, the hanging member 38, the existing upper frame 22a, and the frame member 24 in this order, and locks to the skeleton 28 located on the outer peripheral side.

The mounting surface 78a and the protruding piece 60 of the new upper frame 20a are in surface contact with each other and are connected from the indoor side by the first screw 40. The first screw 40 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

The connector 39 fixes the base plate portion 56 on the indoor side of the new upper frame 20a to the skeleton 28 to prevent the end portion of the new upper frame 20a on the indoor side from being deformed. The connector 39 has a suspending member 38, an elastic body 41, a second screw 42, and a third screw 44.

FIG. 3 is a perspective view of the hanging member 38. The suspension member 38 has a first plate portion 38a, a second plate portion 38b, a connecting plate portion 38c, a notch portion 38d, and a screw hole portion 38e.

The first plate portion 38a and the second plate portion 38b form parallel plate surfaces facing each other. The connecting plate portion 38c connects the first plate portion 38a and the second plate portion 38b. The first plate portion 38a is placed above the fixing portion 70b of the cover body 16. The second plate portion 38b is provided below the first plate portion 38a, and the new upper frame 20a is connected to the second plate portion 38b. As a result, the new frame 10 can be supported in a suspended state. The fixing portion 70b of the upper cover frame 26a functions as a receiving portion for receiving the first plate portion 38a of the hanging member 38.

The cutout portion 38d is formed so that the edge of the first plate portion 38a is recessed toward the connecting plate portion 38c. The cutout portion 38d is open in a direction away from the connecting plate portion 38c, making it easy to insert the second screw 42. The screw hole portion 38e is formed so as to penetrate the second plate portion 38b.

The elastic body 41 is provided below the first plate portion 38a, is a distance adjusting material that hits the upper cover frame 26a and adjusts the distance between the upper cover frame 26a and the first plate portion 38a, and also serves as a cushioning material. The elastic body 41 is arranged between the first plate portion 38a and the fixing portion 70b of the upper cover frame 26a, and is received by the fixing portion 70b. Although the elastic body 41 is provided below the first plate portion 38a, it may be provided above the first plate portion 38a, or may be provided at both the upper portion and the lower portion of the first plate portion 38a. ..

Since the cutout portion 38d is open, the first plate portion 38a is formed in the gap formed between the existing frame 12 into which the second screw 42 is inserted and the cover body 16, that is, the gap between the fixing portion 70b and the skeleton 28. Can be inserted from the indoor side. As a result, the suspension member 38 can be arranged in a state where the fixing portion 70b of the cover body 16 is fixed by the second screw 42.

As shown in FIG. 2, the suspension member 38 is arranged on the outer peripheral side of the new frame 10 and on the indoor side of the first screw 40. As a result, the hanging member 38 can be attached after being attached to the inner peripheral side of the cover body 16 of the new frame 10. The second plate portion 38b is connected to the new upper frame 20a by the third screw 44.

The elastic body 41 is held in a state of being elastically deformed by tightening the third screw 44. That is, the new upper frame 20a is lifted upward by tightening the third screw 44, and a downward load is applied to the first plate portion 38a, and the elastic body 41 is elastically deformed by the load. As a result, the gap between the upper cover frame 26a and the suspension member 38 can be adjusted, and the rattling of the newly installed upper frame 20a can be suppressed.

The third screw 44 is arranged at a position where it overlaps with the second screw 42 in the vertical direction. This will
Since the two screws do not shift in the depth direction (longitudinal direction of the new upper frame 20a), the load can be transmitted firmly.

The connecting plate portion 38c may connect the indoor end of the first plate 38a and the outdoor end of the second plate 38b. That is, the hanging member 38 may be formed in a substantially S shape when viewed from the side.

FIG. 4 is an enlarged cross-sectional view of the lower side of the refurbished sash 1. The existing lower frame 22b has a first ridge portion 52a, a second ridge portion 52b, an outer wall portion 54, and a seating portion 55. The first ridge 52a is located on the outdoor side of the second ridge 52b and is lower than the second ridge 52b.

The new lower frame 20b has a base plate portion 56, a ridge portion 58, a protruding piece 60, a joint portion 64, a first hollow portion 67, a second hollow portion 68, a foot portion 69a, and a protrusion 69b. A first hollow portion 67 and a second hollow portion 68 are formed in the lower portion of the base plate portion 56. The load capacity of the newly installed lower frame 20b can be improved by the first hollow portion 67 and the second hollow portion 68.

The first hollow portion 67 is placed on the lower cover frame 26b via a cushioning material. The projecting piece 60 projects downward from the first hollow portion 67 at the lower part of the base plate portion 56, and is located between the pair of ridge portions 58 in the prospective direction. The projecting piece 60 projects outward along the finding direction.

The foot portion 69a projects downward from the second hollow portion 68. The foot portion 69a is located on the indoor side of the ridge portion 58 on the indoor side, and is located on the indoor side of the newly installed lower frame 20b. The foot portion 69a abuts on the spacer 36 to support the indoor side of the new lower frame 20b. The protrusion 69b projects downward from the foot portion 69a at a position on the outdoor side and abuts on the spacer 36.

The lower cover frame 26b has a first plate portion 70, a second plate portion 72, a hollow portion 74, a first tapping hole 77a, a second tapping hole 77b, and a mounting portion 78.

The first plate portion 70 of the lower cover frame 26b extends along the lower side of the opening 4 and extends in the prospective direction in the vertical cross section. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface.

The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. The hollow portion 74 is provided above the first plate portion 70. A first tapping hole 77a and a second tapping hole 77b are formed in the hollow portion 74. By forming a hollow on the lower cover frame 26b, the impact can be absorbed and the load bearing capacity can be improved. Further, the gap between the new lower frame 20b and the new lower frame 20b can be reduced so that the new lower frame 20b can be easily placed on the lower cover frame 26b.

The mounting portion 78 is located on the indoor side surface of the hollow portion 74, and has a mounting surface 78a with a new lower frame 20b. The mounting portion 78 projects inward from the first plate portion 70 along the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side. By providing the mounting portion 78 on the side surface of the hollow portion 74, the tip of the first screw 46 can be accommodated inside the hollow.

The end portion of the first plate portion 70 on the indoor side and the seating portion 55 of the existing lower frame 22b are connected from below by the second screw 42 and fixed to the skeleton 28. The second screw 42 is screwed in along the lower side in the finding direction and screwed into the skeleton 28 located on the outer peripheral side.

The mounting surface 78a and the protruding piece 60 of the new lower frame 20b are in surface contact with each other and are connected from the indoor side by the first screw 46. The first screw 46 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

The height adjusting mechanism 80 is provided on the lower cover frame 26b, is interposed between the lower cover frame 26b and the existing lower frame 22b, and brings the lower cover frame 26b into contact with the first ridge portion 52a of the existing lower frame 22b. .. As a result, the new lower frame 20b can be placed on the existing lower frame 22b via the lower cover frame 26b, and the load of the new shoji 14 can be received by the existing lower frame 22b. The height adjusting mechanism 80 is located below the new shoji screen 14 on the outdoor side, and can suppress deformation of the outdoor side portion of the new lower frame 20b.

The height adjusting mechanism 80 has a nut 80a fixed to the lower cover frame 26b and a screw 80b screwed into the nut 80a. By rotating the screw 80b, the screw 80b is displaced in the vertical direction.

The spacer 36 is located below the new lower frame 20b on the indoor side and supports the new lower frame 20b from below. The spacer 36 comes into contact with the foot portion 69a and receives the load of the newly installed lower frame 20b. The spacer 36 is located below the ridge portion 58 on the indoor side and receives the load of the newly installed shoji 14 supported by the ridge portion 58. As a result, even if the new lower frame 20b is arranged on the inner peripheral side at a large distance from the frame member 24 and the skeleton 28, the deformation of the new lower frame 20b on the indoor side can be suppressed.

FIG. 5 is a perspective sectional view of the lower cover frame 26b and the spacer 36. The spacer 36 is formed in a hollow cylindrical shape and extends along the lower cover frame 26b. The spacer 36 is located on the indoor side of the hollow portion 74 of the lower cover frame 26b, and is placed on the first plate portion 70.

The spacer 36 has a screw insertion hole 84 on the side surface facing the mounting surface 78a. The first screw 46 is inserted into the screw insertion hole 84. The spacer 36 is fixed to the mounting portion 78 together with the protruding piece 60 of the newly installed lower frame 20b by the first screw 46. The protruding piece 60 is sandwiched between the mounting portion 78 and the spacer 36.

The spacer 36 has a recess 82, a first receiving portion 83a, a second receiving portion 83b, a first contact rib 85a and a second contact rib 85b. The recess 82 is formed on the upper surface in a semicircular cross section, and is used for inserting the spacer 36 into the foot portion 69a of the new lower frame 20b.

The first receiving portion 83a is formed on the upper surface of the spacer 36 and receives the foot portion 69a of the newly installed lower frame 20b. The first receiving portion 83a is located on the indoor side of the recess 82, and the second receiving portion 83b is located on the outdoor side of the recess 82 and receives the protrusion 69b of the new lower frame 20b. By supporting at two places, the new lower frame 20b can be stably supported.

The first contact rib 85a and the second contact rib 85b are formed on the lower surface of the spacer 36, and the first contact rib 85a is located on the indoor side of the second contact rib 85b. The heights of the first contact rib 85a and the second contact rib 85b differ depending on the step of the first plate portion 70, and the second contact rib 85b is located below the first contact rib 85a. Abuts on the first plate portion 70.

FIG. 6 is a diagram for explaining a method of attaching the spacer 36. The spacer 36 is attached after attaching the lower cover frame 26b and the new lower frame 20b to the existing lower frame 22b. A storage chamber A for the spacer 36 is formed below the new lower frame 20b. In order to ensure that the spacer 36 is in contact with the new lower frame 20b, the vertical length of the spacer 36 is longer than the gap between the foot portion 69a and the first plate portion 70.

The spacer 36 is moved from the indoor side to the lower side of the newly installed lower frame 20b, and the recess 82 is brought into contact with the tip of the foot portion 69a. Then, the spacer 36 is rotated with the tip of the foot portion 69a as a rotation fulcrum, slips under the foot portion 69a, and is pushed toward the mounting portion 78. As a result, the spacer 36 is in a state of supporting the foot portion 69a and the protrusion portion 69b, and is fixed to the mounting portion 78 together with the protruding piece 60 by the first screw 46.

The spacer 36 has a portion having a height dimension H2 larger than the height dimension H1 of the accommodation chamber A from the foot portion 69a to the lower surface of the accommodation chamber A on the outdoor side of the recess 82. That is, the height dimension H1 from the first receiving portion 83a to the first contact rib 85a shown in FIG. 5 is smaller than the height dimension H2 from the second receiving portion 83b to the second contact rib 85b. Although the height of the outdoor side of the spacer 36 is large, the portion having the height dimension H2 can be easily arranged in the back of the accommodating chamber A by inserting the spacer 36 while rotating it in the recess 82.

FIG. 7 is a cross-sectional view of the modified sash 1 of the embodiment in the horizontal direction. Since the modified sash 1 has a symmetrical cross section in the lateral direction, only the left cross section is shown in FIG. 7.

The existing vertical frame 22c has a base plate portion 50, a ridge portion 52, an outer wall portion 54, and a seating portion 55. The new lower frame 20b has a base plate portion 56 and a protruding piece 60. The projecting piece 60 projects from the base plate portion 56 in the outer peripheral direction in the finding direction.

The vertical cover frame 26c has a first plate portion 70, a second plate portion 72, a hollow portion 74, and a mounting portion 78. The first plate portion 70 extends along the vertical side of the opening 4 and extends in the prospective direction in the cross section in the transverse direction. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface. Further, the second plate portion 72 extends from the outdoor end portion of the first plate portion 70 to the inner peripheral side.

The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. The hollow portion 74 is provided on the outer peripheral side of the first plate portion 70. By forming a hollow on the vertical cover frame 26c, it is possible to absorb the impact when the new shoji 14 hits when the new shoji 14 is opened and closed.

The mounting portion 78 projects from the first plate portion 70 and has a mounting surface 78a with the new vertical frame 20c. The mounting portion 78 projects from the first plate portion 70 in the inner peripheral direction in the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side.

With the indoor end of the first plate 70 and the seating portion 55 of the existing upper frame 22a facing each other, they are connected from below by the second screw 42 and fixed to the skeleton 28. The second screw 42 is screwed in along the upper side in the finding direction and is locked to the skeleton 28 located on the outer peripheral side.

The mounting surface 78a and the protruding piece 60 of the new vertical frame 20c are in surface contact with each other and are connected from the indoor side by the first screw 48. The first screw 48 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

The suspension member 38 functions as a reinforcing member that fixes the indoor side base plate portion 56 of the new vertical frame 20c to the skeleton 28 and suppresses deformation of the indoor side portion of the new vertical frame 20c. Further, the hanging member 38 can limit the movement of the protruding piece 60 and the mounting portion 78 to shift in the finding direction, and can prevent the protruding piece 60 and the mounting portion 78 from being loosened.

FIG. 8 is a partial perspective view of the cover body 16, and is a diagram for explaining the connection of the cover body 16. Each of the four side frames constituting the cover body 16 is assembled in a rectangular shape in advance and attached to the existing frame 12 and the skeleton 28.

The upper cover frame 26a and the lower cover frame 26b are arranged in parallel, and the pair of vertical cover frames 26c are arranged in parallel. FIG. 2 shows a state in which the upper cover frame 26a and one of the vertical cover frames 26c are connected. The upper cover frame 26a and one of the vertical cover frames 26c are connected by a fixing screw 27.

The first tapping hole 76a and the second tapping hole 76b formed in the upper cover frame 26a are formed, and a screw insertion hole is formed in the upper end portion of one of the vertical cover frames 26c. The pair of fixing screws 27 are inserted into the screw insertion holes of one of the vertical cover frames 26c and screwed into the first tapping hole 76a and the second tapping hole 76b, respectively. The opposite end of the upper cover frame 26a is also connected to the other vertical cover frame 26c by the fixing screw 27.

Further, a first tapping hole 77a and a second tapping hole 77b are also formed in the lower cover frame 26b, and a screw insertion hole is formed in the lower end portion of the pair of vertical cover frames 26c. Both ends of the lower cover frame 26b are connected to the lower ends of the pair of vertical cover frames 26c by the fixing screws 27. That is, the pair of vertical cover frames 26c are connected to both ends of the upper cover frame 26a and both ends of the lower cover frame 26b, respectively. As a result, the cover body 16 is assembled into a rectangular shape.

The cover body 16 is fixed to the skeleton 28 by covering the inner peripheral side of each frame constituting the four sides of the existing frame 12 in a rectangular assembled state, and is connected to each frame constituting the four sides of the new frame 10. Will be done. The assembly of the cover body 16 is not limited to screwing using tapping holes, and may be connected using, for example, an L-shaped attachment.

FIG. 9 is a schematic view for explaining how to attach the new shoji screen 14. The frames forming the four sides of the cover body 16 are connected to form the cover body 16 into a rectangular shape. In addition, the new frame 10 is also assembled into a rectangular shape. The assembly work of the new frame 10 and the cover body 16 may be performed at the factory or at the installation site.

In the assembled state of the cover body 16, the cover body 16 is moved to the inner peripheral side of the existing frame 12, and is screwed to the skeleton 28 together with the seating portion 55 of the existing frame 12. A first sealing material 86 is provided between the first plate portion 70 of the cover body 16 and the seating portion 55 of the existing frame 12.

The first sealing material 86 is, for example, a waterproof tape, which is attached to the seating portion 55 or the first plate portion 70 over the entire circumference and is sandwiched between the seating portion 55 and the first plate portion 70. Since the first sealing material 86 is brought into close contact with the existing frame 12 and the cover body 16 by the axial force of the second screw 42, the sealing property can be improved. The first sealing material 86 may be attached from the indoor side so as to close the gap between the existing frame 12 and the cover body 16.

Next, the new frame 10 is moved from the indoor side to the outdoor side toward the inner peripheral side of the cover body 16. The mounting surface 78a of the mounting portion 78 faces the indoor side, and the contact surface 60a of the protruding piece 60 faces the outdoor side. The contact surface 60a of the projecting piece 60 comes into surface contact with the mounting surface 78a of the mounting portion 78, and is connected by the first screw 40. The worker can attach the new frame 10 from the indoor side, and can easily work on the second floor or higher.

The second sealing material 88 is, for example, a waterproof tape, which is attached to the mounting portion 78 or the protruding piece 60 over the entire circumference and is sandwiched between the mounting portion 78 and the protruding piece 60. Since the second sealing material 88 is brought into close contact with the cover body 16 and the new frame 10 by the axial force of the first screw 40, the sealing property can be improved. The first sealing material 86 and the second sealing material 88 are not limited to the waterproof tape, but may be a waterproof sheet, or may be a combination of the waterproof tape and the waterproof sheet.

It should be noted that the examples are merely examples, and various modifications are possible for the combination of each component, and it is understood by those skilled in the art that such modifications are also within the scope of the present disclosure. Therefore, the descriptions and drawings herein should be treated as exemplary rather than limiting.

For example, in the embodiment, the cover body 16 is assembled in a rectangular shape in advance and arranged on the inner peripheral side of the existing frame 12, but the present invention is not limited to this mode, and each frame of the cover body 16 is individually assembled to the existing frame 12. The cover body 16 may be arranged on the inner peripheral side of the cover body 16 and may be partially arranged without being connected. Further, although the cover body 16 has a portion that covers the finding surface on the outdoor side of the existing frame 12 and a portion that covers the prospective surface side of the existing frame 12, it may be used by connecting different members.

Further, in the embodiment, the modified sash 1 is used for the sliding window, but the present invention is not limited to this embodiment. For example, the refurbished sash 1 can be used for a window with a shutter, a window with a shutter, a vertical sliding window, a bathroom window, and the like. Further, even if the first ridge 52a is located on the outdoor side of the second ridge 52b and the existing lower frame 22b has the same or higher aspect than the second ridge 52b, the cover body 16 of the embodiment can be used. It is possible to attach the new frame 10 by using it.

Further, in the embodiment, the lower cover frame 26b is shown as one member, but the present invention is not limited to this mode. For example, the first plate portion 70 and the second plate portion 72 may be separate bodies, and the second plate portion 72 may be detachable from the first plate portion 70.

1 Refurbished sash, 4 Opening, 10 New frame, 12 Existing frame, 14 New shoji, 16 Cover body, 20a New upper frame, 20c New vertical frame, 20b New lower frame, 22a Existing upper frame, 22b Existing lower frame, 22c Existing vertical frame, 26a upper cover frame, 26b lower cover frame, 26c vertical cover frame, 28 skeleton, 36 spacer, 38 hanging member, 38a 1st plate, 38b 2nd plate, 38d notch, 50 base plate , 52 ridges, 56 base plates, 58 ridges, 60 protrusions, 69 feet, 70 1st plate, 72 2nd plate, 74 hollows, 78 mountings, 78a mounting surfaces, 82 recesses ..

Claims (11)

A refurbished sash installed at the opening of a building
A cover body attached to the inner peripheral side of the existing frame provided in the opening and covering the inner peripheral side of each frame constituting the four sides of the existing frame.
A new frame arranged on the inner peripheral side of the cover body is provided.
The cover body is a refurbished sash characterized by having a mounting portion to be mounted on the new frame. The first aspect of claim 1, wherein the cover body covers the ridges of the respective frames constituting the four sides of the existing frame from the inner peripheral side and is connected to the respective frames constituting the four sides of the new frame. Refurbished sash. The refurbished sash according to claim 1 or 2, wherein the mounting portion projects inward. The cover body
A first plate portion that extends in the prospective direction and covers the ridge portion of the existing frame from the inner peripheral side, and
It has a second plate portion that is connected to the outdoor end of the first plate portion and extends toward the outer periphery.
The refurbished sash according to any one of claims 1 to 3, wherein the mounting portion projects inward from the first plate portion. The refurbished sash according to any one of claims 1 to 4, wherein a sealing material is sandwiched between the mounting portion and the new frame. The refurbished sash according to any one of claims 1 to 5, wherein a sealing material is provided between the cover body and the existing frame from the indoor side. The mounting portion has a mounting surface facing the indoor side.
The refurbished sash according to any one of claims 1 to 6, wherein the new frame has a contact surface that comes into contact with the mounting surface. The new frame has a protruding piece that projects outward in the finding direction.
The refurbished sash according to claim 7, wherein the contact surface is formed on the protruding piece. The refurbished sash according to any one of claims 1 to 8, wherein the cover body has a hollow portion at a position sandwiched between the existing frame and the new frame. The refurbished sash according to claim 9, wherein the hollow portion is provided at a position overlapping the outer peripheral side of the new frame in the finding direction. It is a method of installing a refurbished sash installed at the opening of a building.
A step of attaching the cover body to the inner peripheral side of the existing frame provided in the opening, and
The step of arranging the new frame on the inner peripheral side of the cover body and
A method of mounting a refurbished sash, which comprises a step of mounting the new frame on a mounting portion of the cover body.

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