JP2020128646A - Frame - Google Patents

Abstract

To facilitate work in mounting a depth side member with respect to a width side member.SOLUTION: An engagement mechanism 43 for connecting a width side member 41 and a depth side member 42 includes: a first engagement element pair 43A for supporting in such a manner that, when being engaged with each other, the depth side member 42 is rotatable with respect to the width side member 41 around an outdoor side end edge part; and a second engagement element pair 43B engaged with each other, in the case where an indoor side end edge part of the depth side member 42 rotates toward the inner peripheral side in a state where the first engagement element pair 43A is engaged mutually. The second engagement element pair 43B includes: an engagement piece 47 protruding from an inner surface located on the inner peripheral side of the depth side member 42; and an engagement receiving part 48 provided on the width side member 41. At the engagement receiving part 48, an engagement receiving protrusion 48d is provided which serves as an engagement part with the engagement piece 47 at a portion extending along the depth direction.SELECTED DRAWING: Figure 3

Description

The present invention relates to a frame including a found-side member arranged to cover an outer peripheral surface of a frame and a prospective member extending from the found-side member toward the surface of a building.

A frame in which fittings are attached to a building may be provided with a frame so as to surround the outer peripheral portion thereof. In particular, when repairing fittings with the existing frame left, the existing frame is located on the outer periphery of the newly installed frame, so it is preferable to use a frame to cover the existing frame. It is common. Some frame of this type includes a finding side member provided along the finding direction and a prospective side member provided on an outer peripheral portion of the finding side member. The prospect side member covers the gap between the found side member and the surface of the building. An engagement mechanism that engages with each other is provided between the found-side member and the prospective-side member. The engagement mechanism includes a first pair of engagement elements that supports the prospective-side member so that the prospective-side member can rotate with respect to the found-side member about one end edge when engaged with each other, and And a second engagement element pair that engages with each other when the other end edge of the prospective side member rotates toward the inner peripheral side with the engagement element pair engaged with each other. (For example, see Patent Document 1).

JP, 2016-33282, A

By the way, in this type of frame, the inner peripheral side edge of the finding side member is attached to the finding surface of the frame, and then the prospective side member is attached to the outer peripheral portion of the finding side member. That is, in the state in which the prospective side member is attached, the movement of the outer peripheral side edge portion of the found side member is not limited. Therefore, when the prospective side member is rotated to engage the second engagement element pair with the first engagement element pair engaged, the portion located on the outer peripheral side of the found side member also It will bend toward the inner circumference side. As a result, the second engaging element of the found side member escapes in the opposite direction with respect to the movement of the second engaging element of the prospective side member, which may complicate the work of attaching the prospective side member. There is.

In view of the above situation, it is an object of the present invention to provide a frame capable of facilitating the work of attaching the prospective side member to the found side member.

In order to achieve the above object, a frame according to the present invention is an engagement provided between a finding side member arranged to cover an outer peripheral surface of a frame attached to a building and the finding side member. A frame provided with a prospective member extending along the prospective direction from the find side member, the frame being connected to a portion arranged on the outer peripheral side of the find side member via a mechanism, A first engagement element pair that supports the prospective side member so as to be rotatable with respect to the found side member about one end edge when engaged with each other, and the first engagement A second engagement element pair that engages with each other when the other end edge portion of the prospective side member rotates toward the inner peripheral side in a state where the element pair is engaged with each other. The engagement element pair has an engagement piece protruding from an inner surface located on the inner peripheral side of the prospective side member, and an engagement receiving portion provided on the found side member. The receiving portion is characterized in that an engaging portion with the engaging piece is provided at a portion extending along the prospective direction.

According to the present invention, when engaging the second pair of engaging elements, a force is applied along the prospective direction. Therefore, even when the prospective side member is rotated toward the inner peripheral side in a state where the first engagement element pair is engaged, the deformation of the found side member is suppressed, and the second engagement element pair As a result, it is possible to facilitate the work of attaching the prospective member.

It is a longitudinal section of a fitting which applied a picture frame which is an embodiment of the invention. It is a cross-sectional view of the fitting shown in FIG. It shows a frame applied to the fitting shown in FIGS. 1 and 2, (a) is an end view of a found side member, and (b) is an end view of a prospective side member. The engagement procedure of the engagement mechanism provided between the finding side member of the frame shown in FIG. 3 and the prospective side member is shown, (a) is a state just before a 1st engaging element pair engages. FIG. 4B is an end view of the main part of FIG. 3B in a linear state in which the prospective member is rotated while the first engagement element pair is engaged, and the second engagement element pair is engaged. FIG. 6C is an end view of a main portion in a state where the first pair of engaging elements and the second pair of engaging elements are engaged with each other.

Hereinafter, preferred embodiments of a frame according to the present invention will be described in detail with reference to the accompanying drawings.
1 and 2 show a fitting to which a frame, which is an embodiment of the present invention, is applied. The fitting illustrated here is an entrance door without a door panel, and in particular, an entrance door for repair which is installed in the body of a building with an existing frame left. That is, in this entrance door, a new upper frame 10a, lower frame 10b, and left and right sides are provided on the inner peripheral side of each of the existing upper frame 1a, lower frame 1b, and left and right vertical frames 1c attached to the body B. The frame body 10 is configured by installing the vertical frame 10c. The new upper frame 10a, the lower frame 10b, and the left and right vertical frames 10c are extruded shape members formed of a metal such as an aluminum alloy, and have a cross-sectional shape with a substantially uniform overall length along the length. I am doing it. Note that in the following, for convenience, when describing the components of the existing frame body left in the frame B, the existing upper frame 1a and the like will be added and described, and the configuration of the newly installed frame body 10 will be described. When describing the elements, the term "newly installed" such as the newly installed upper frame 10a is given to distinguish the two.

Among the above-mentioned new installation frames, the new installation upper frame 10a and the left and right new installation vertical frames 10c are configured to have a rectangular cross-sectional shape whose longitudinal direction is the prospective direction. Here, the prospective direction is a direction along the depth of the fitting, as indicated by an arrow A in the drawing. A surface along the prospective direction may be referred to as a prospective surface. Further, the term "finding direction" is also used in this embodiment. In the case of the ones extending along the horizontal direction such as the upper frames 1a and 10a, the finding direction is the direction along the vertical direction orthogonal to the prospective direction. In the case of the one extending in the up-down direction like the vertical frames 1c, 10c, etc., the direction along the horizontal direction orthogonal to the prospective direction is referred to as the finding direction. A surface along the finding direction may be referred to as a finding surface.

The above-described new upper frame 10a and the left and right new vertical frames 10c are respectively provided with a finding cover 20 and a prospective cover 30 on the indoor side and a frame 40 on the outdoor side. The find cover 20 is made of wood or wood. The prospective cover 30 and the frame 40 are extruded shape members formed of a metal such as an aluminum alloy, and are configured so as to have a substantially uniform cross-sectional shape along the entire length. Hereinafter, the configurations of the finding cover 20, the prospective cover 30, and the frame 40 will be described in detail, and at the same time, the characteristic part of the present invention will be described. Note that, in the following description, for convenience, each posture will be specified in a state where it is attached to a building.

The finding cover 20 is installed side by side along the prospective direction with respect to the existing upper frame 1a and the existing vertical frame 1c exposed in the portion on the indoor side of the new upper frame 10a and the new vertical frame 10c. The existing vertical frame 1c covers the found surface of the existing vertical frame 1c facing the room. In the illustrated example, a thick plate-shaped finding cover 20 is applied.

The prospective cover 30 is provided on the inner peripheral side of the existing upper frame 1a and the existing vertical frame 1c, and covers the found surfaces of the existing upper frame 1a and the existing vertical frame 1c. In the illustrated example, it is assumed that the cover mounting portion 31 provided on the edge portion located on the indoor side and the thin plate-shaped cover plate portion 32 extending from the cover mounting portion 31 toward the outdoor side in the prospective direction are included. The cover 30 is applied. The prospective cover 30 is attached by screwing a screw 33 from the cover attaching portion 31 to the furring strip D between the skeleton B and the interior material C via the find cover 20. A cap 34 that covers the head of the screw 33 is attached to the cover mounting portion 31. The cover plate portion 32 of the prospective cover 30 is in a state in which the extending end edge portion is in contact with the found surfaces of the new upper frame 10a and the new vertical frame 10c facing the room. The protruding length of the cover mounting portion 31 toward the inner peripheral side and the extending length of the cover plate portion 32 along the prospective direction are appropriately adjusted by cutting along the folding grooves 31a and 32a provided respectively. There is. Apply the sealing material E between the cover mounting portion 31 of the prospective cover 30 and the found cover 20, and between the cover plate portion 32 of the prospective cover 30 and the new upper frame 10a and the new vertical frame 10c. The watertightness is secured by.

The frame 40 is for covering the outer peripheral portions of the new upper frame 10a and the new vertical frame 10c from the finding surfaces facing the outside. In the present embodiment, a frame 40 including a found side member 41 and a prospective side member 42 is provided for each of the new upper frame 10a and the new vertical frame 10c.

The finding side member 41 is arranged so as to cover the surfaces between the finding surfaces of the new upper frame 10a and the new vertical frame 10c that are exposed to the outside of the room to the exterior material F of the building beyond the existing frame 2. .. More specifically, the found side member 41 provided on the new upper frame 10a includes a frame mounting portion 41a mounted on the found surface of the new upper frame 10a and an outer periphery from an edge portion located on the outer circumferential side of the frame mounting portion 41a. After extending toward the side, the prospective plate portion 41b that bends to the outside and extends in the prospective direction, and the found frame substrate portion that extends from the extending end edge portion of the prospective plate portion 41b toward the outer peripheral side. 41c is integrally formed. The found-side member 41 provided on the new vertical frame 10c has a frame attachment portion 41a attached to the found surface of the new vertical frame 10c, and a prospective direction from the outer edge of the frame attachment portion 41a toward the outdoor side. The prospective plate portion 41b extending from the prospective plate portion 41b and the found frame portion substrate portion 41c extending from the extending end edge portion of the prospective plate portion 41b toward the outer peripheral side are integrally formed. The found frame board portion 41c of the found side member 41 provided in the new upper frame 10a is formed in a flat plate shape, while the found frame board portion 41c of the found side member 41 provided in the new vertical frame 10c is a prospective plate portion. After extending from the extending end edge portion of 41b toward the outer peripheral side in a curved concave shape so as to gradually become the outer side of the chamber, it extends toward the outer peripheral side so as to be slightly curved protruding shape. A plurality of break-off grooves 41d extending along the length are provided in the outer peripheral portion of the inner surface of the found frame substrate portion 41c.

The prospective-side member 42 is arranged so as to cover a gap between the edge portion arranged on the outer peripheral side of the found frame substrate portion 41c and the exterior material F of the building. In the present embodiment, the prospective side member 42 having a flat plate-like prospective frame substrate portion 42a common to the new upper frame 10a and the new vertical frame 10c is applied. A plurality of break grooves 42b extending along the length are provided on the inner peripheral surface of the prospective frame substrate portion 42a.

As shown in FIGS. 1 to 3, an edge portion located on the outer peripheral side of the found frame substrate portion 41c in the found side member 41 and an edge portion located outside of the expected frame substrate portion 42a in the expected side member 42. An engaging mechanism 43 is provided between them. The engagement mechanism 43 detachably connects the found side member 41 and the prospective side member 42, and includes a first engagement element pair 43A and a second engagement element pair 43B. is there.

The first engagement element pair 43A includes a prospective hook portion 44 provided on the prospective frame substrate portion 42a and a finding side hook portion 45 provided on the finding side member 41.

The prospective hook portion 44 is provided on the edge portion of the prospective frame base plate portion 42a located outside the room, and has a first prospective hook piece 44a, a second prospective hook piece 44b, and a third prospective hook piece 44c. ing. The first prospective hook piece 44a is a portion that is bent substantially at a right angle from the end edge portion of the prospective frame substrate portion 42a toward the inner peripheral side. The second prospective hook piece 44b is a portion that is bent at a substantially right angle from the first prospective hook piece 44a toward the outdoor side. The third prospective hook piece 44c is a portion that extends obliquely from the second prospective hook piece 44b toward the outdoor side so as to gradually become the outer circumference. The extension length of each of the first prospective hook piece 44a, the second prospective hook piece 44b, and the third prospective hook piece 44c is about twice the plate thickness of the found picture frame substrate portion 41c. A gap 44d having a size corresponding to the plate thickness of the found picture frame substrate portion 41c is secured between the first prospective hook piece 44a and the third prospective hook piece 44c.

The found-side hook portion 45 is provided on the edge portion located on the outer peripheral side of the found frame substrate portion 41c, and has a first found hook piece 45a and a second found hook piece 45b. The first finding hook piece 45a is a portion that is bent substantially at a right angle from the end edge portion of the finding frame substrate portion 41c toward the indoor side (the side close to the building). The second finding hook piece 45b is a portion bent from the first finding hook piece 45a toward the inner peripheral side at a substantially right angle. The extension length of each of the first finding hook piece 45a and the second finding hook piece 45b is about twice the plate thickness of the prospective frame substrate portion 42a. A gap 45c having a size corresponding to the plate thickness of the prospective frame substrate portion 42a is secured between the found frame substrate portion 41c and the second finding hook piece 45b.

When the prospective hook portion 44 and the finding side hook portion 45 are engaged with each other, that is, between the third prospective hook piece 44c and the second finding hook piece 45b of the finding side hook portion 45. When inserted in the gap 45c, the prospective side member 42 becomes rotatable with respect to the found side member 41 around the edge portion (the tip edge portion of the third prospective hook piece 44c) located on the outdoor side of the prospective side member 42. Will be supported as. Further, when the found-side hook portion 45 and the prospective-side hook portion 44 are engaged, the prospective-side member 42 moves to the outer peripheral side and moves to the outdoor side with respect to the find-side member 41 (in the direction approaching the find-side member 41). Movement to) is in a restricted state.

As is clear from the figure, the inner surface of the found frame base plate portion 41c facing the room is provided with guide ribs 46 on the inner side of the found side hook portion 45. The guide rib 46 is a flat plate portion that extends from the found frame substrate portion 41c along the prospective direction. The guide rib 46 inserts the prospective side hook portion 44 of the prospective side member 42 between the guide side rib 46 and the found side hook portion 45, and when the second prospective hook piece 44b abuts, the tip portion of the third prospective hook piece 44c is fixed. It functions so as to be positioned close to the gap 45c between the found frame substrate portion 41c and the second found hook piece 45b. In the present embodiment, the guide rib 46 is provided so as to have a projecting dimension that is about twice that of the first finding hook piece 45a.

In the case where the second engagement element pair 43B is rotated toward the inner peripheral side with the end edge portion located on the indoor side of the prospective side member 42 in a state where the first engagement element pair 43A is engaged with each other. Are engaged with each other. In the present embodiment, an engagement piece 47 protruding from the inner surface located on the inner peripheral side of the prospective frame substrate portion 42a and an engagement receiving portion 48 protruding from the inner surface of the found frame substrate portion 41c facing the room are provided. A second pair of engaging elements 43B is formed.

The engagement piece 47 is provided in a portion of the prospective frame base plate portion 42a that is closer to the indoor side than the prospective hook portion 44, and includes the first engagement piece portion 47a, the second engagement piece portion 47b, and the third engagement portion. It has a piece portion 47c and a fourth engagement piece portion 47d. The first engagement piece portion 47a is a portion that projects from the inner surface of the prospective frame substrate portion 42a toward the inner peripheral side at a substantially right angle. The second engagement piece portion 47b is a portion that is gradually inclined from the first engagement piece portion 47a toward the inner circumference so as to gradually become the outer side of the room. The third engagement piece portion 47c is a portion extending from the second engagement piece portion 47b toward the inner peripheral side so as to be substantially parallel to the first engagement piece portion 47a. The fourth engagement piece portion 47d is a portion that is bent from the middle of the third engagement piece portion 47c toward the outdoor side at a substantially right angle, and is then inclined toward the inner circumference so as to gradually become the outdoor side. An engaging claw portion 47e is provided on the extending end edge portion of the fourth engaging piece portion 47d so as to project to a surface facing the room. The engagement claw portion 47e serves as an engagement portion with the engagement receiving portion 48.

The engagement receiving portion 48 is provided at a portion on the inner peripheral side of the guide rib 46 in the found frame substrate portion 41c, and includes the first receiving piece portion 48a, the second receiving piece portion 48b, and the third receiving piece portion 48c. Have The first receiving piece portion 48a is a portion extending along the prospective direction from the found frame substrate portion 41c. The second receiving piece portion 48b is a portion that is inclined from the first receiving piece portion 48a toward the outer peripheral side so as to gradually become the inside of the chamber. The third receiving piece portion 48c is a portion extending from the second receiving piece portion 48b toward the indoor side along the prospective direction so as to be substantially parallel to the first receiving piece portion 48a. An engagement receiving projection 48d is provided at a portion of the third receiving piece portion 48c that is a connecting portion with the second receiving piece portion 48b so as to project toward the outside of the room. The position where the engagement receiving projection 48d is provided is set so as to intersect with the movement locus of the engagement claw portion 47e when the prospective side member 42 is rotated while the first engagement element pair 43A is engaged. There is.

In the frame 40 configured as described above, the found frame frame substrate portion 41c is attached to the outer peripheral side by screwing the screws 50 onto the found surfaces of the new upper frame 10a and the new vertical frame 10c that are exposed to the outside through the frame attachment portion 41a. The found side member 41 is attached so as to cover the. After the screws 50 are screwed together, it is preferable to mount the cap 51 on the frame mounting portion 41a.

After that, the prospective side member 42 is connected to the outer peripheral side edge of the found frame substrate portion 41c of the found side member 41 via the engagement mechanism 43. That is, as shown in FIG. 4A, when the end edge portion of the prospective side member 42 located on the indoor side is rotated toward the inner peripheral side with the first engagement element pair 43A engaged, As shown in FIG. 4B, the tip edge portion of the fourth engagement piece portion 47 d of the engagement piece 47 provided on the prospective side member 42 is the third reception portion of the engagement receiving portion 48 provided on the found side member 41. It abuts the surface of the piece 48c on the outer peripheral side. After that, when the prospective member 42 is further rotated to the inner peripheral side, as shown in FIG. 4C, the engaging claw portion 47 e of the engaging piece 47 engages with the engaging receiving protrusion 48 d of the engaging receiving portion 48. When they are fitted together, the leading edge portion of the third receiving piece portion 48c comes into contact with the surface of the engaging piece 47 that is located outside the third engaging piece portion 47c.

In this state, the engagement claw portion 47e and the engagement receiving projection 48d are engaged with each other, so that rotation of the prospective side member 42 toward the outer peripheral side is restricted, and the tip edge portion of the third receiving piece portion 48c becomes the third edge portion. By contacting the engaging piece portion 47c, rotation toward the inner peripheral side is restricted. That is, as described above, the engagement of the first engagement element pair 43A limits the movement of the prospective side member 42 to the outer peripheral side and the outdoor side with respect to the found side member 41, and the second side. Due to the engagement of the engagement element pair 43B, the rotation of the prospective side member 42 with respect to the found side member 41 is restricted. As a result, the prospective side member 42 is maintained in a state of being connected to the find side member 41, and the prospective side member 42 covers up the gap between the find side member 41 and the exterior material F of the building. Become. In addition, it is preferable that the extension length of the prospective member 42 be appropriately adjusted by cutting along the breaking groove 42b in advance. Further, it is preferable to apply a sealing material G between the end edge of the prospective side member 42 and the exterior material F to ensure a desired water tightness.

At the time of the above-described mounting work, according to the frame 40 described above, the engagement receiving portion 48 is provided with the engagement receiving protrusion 48d which is an engaging portion with the engaging piece 47 at a portion extending along the prospective direction. Has been. Therefore, when engaging the second pair of engaging elements 43B, a force is applied along the prospective direction, and even when the prospective side member 42 is rotated toward the inner peripheral side, the found frame substrate Since the deformation of the portion 41c is suppressed, the second engagement element pair 43B can be easily engaged.

In addition, although the frame 40 provided in the frame body 10 of the remodeling door is illustrated in the above-described embodiment, the frame 40 is not necessarily a door and can be applied to other fittings. The fitting in this case need not be for refurbishment. Further, although the frame formed by the aluminum alloy is illustrated, it may be formed by a metal or resin other than the aluminum alloy.

Further, in the above-described embodiment, since the hook-shaped member is used as the first engagement element pair 43A, when the engagement is made, the prospective side member 42 moves in the prospective direction with respect to the found side member 41. Although it is possible to limit the movement along the outer peripheral side or the movement toward the outer peripheral side, the present invention is not necessarily limited to this, and when engaging with each other, the prospective side member can rotate around one end edge. It would be good if it could be supported. Further, since the guide rib 46 is provided on the found side member 41, the work at the time of engaging the first engagement element pair 43A can be facilitated, but the guide rib 46 is not necessarily provided. Furthermore, since the finding side hook portion 45, which is the first engaging element pair 43A, is provided at the end edge portion of the finding frame substrate portion 41c extending in the finding direction, the second engaging element pair 43B. Although it is possible to more reliably prevent the finding side member 41 from being deformed to the inner peripheral side when engaging the, the present invention is not necessarily limited to this. For example, as the finding side member, an edge portion located on the outer peripheral side of the finding frame substrate portion is bent toward the indoor side, and the prospective side member is connected to the extending end edge portion through an engaging mechanism. It does not matter even if it is done. Even in this case, if the engaging portion with the engaging piece is provided in the portion of the engagement receiving portion that extends along the prospective direction, the situation that the found-side member is deformed when the prospective-side member is rotated can be prevented. It can be prevented and the work can be facilitated. When the engaging mechanism is provided at the extending end portion of the bent portion of the found side member toward the indoor side, the engagement receiving portion extends from the inner peripheral surface of the bent portion to the inner peripheral side. After that, it may be extended in the prospective direction toward the indoor side.

As described above, the frame according to the present invention, through the engagement mechanism provided between the found side member arranged to cover the outer peripheral surface of the frame attached to the building, and the found side member. Is a frame provided with a prospective side member extending along the prospective direction from the find side member, the engagement mechanism engaging with each other. A first engaging element pair that supports the prospective side member so that the prospective side member can rotate with respect to the found side member about one end edge when combined, and the first engaging element pair. A second engagement element pair that engages with each other when the other end edge portion of the prospective side member rotates toward the inner peripheral side in a state of mutually engaging with each other. The pair has an engagement piece protruding from an inner surface located on the inner peripheral side of the prospective side member, and an engagement receiving portion provided on the finding side member. Is characterized in that an engaging portion with the engaging piece is provided in a portion extending along the prospective direction.

According to this invention, when engaging the second pair of engagement elements, a force is applied along the prospective direction. Therefore, even when the prospective side member is rotated toward the inner peripheral side in a state where the first engagement element pair is engaged, the deformation of the found side member is suppressed, and the second engagement element pair Can be easily engaged.

Further, the present invention is, in the above-mentioned frame, wherein the first engagement element pair moves toward the outer peripheral side of the prospective side member with respect to the find side member and is close to the find side member when engaged with each other. The locating side member is rotatably supported with respect to the locating side member, and the second engagement element pair is configured to engage the locating side member with each other when engaging with each other. It is characterized in that the rotation of the prospective side member with respect to the side member is restricted.

According to the present invention, when the first engagement element pair and the second engagement element pair are engaged with each other, the relative movement of the prospective side member with respect to the found side member is restricted, and thus the relative movement is prevented. It is not necessary to provide a member for doing so.

Further, the present invention is, in the above-described frame, wherein the engagement receiving portion is provided on an inner surface of the found-side member that faces a surface of the building, and the inner periphery of the first engagement element pair is larger than that of the first engagement element pair. It is characterized in that it extends from the side part along the prospective direction.

According to this invention, since the engagement receiving portion extends along the prospective direction, the force at the time of engaging the second engagement element pair is not likely to be exerted on the finding side member, and the finding side member. It is possible to further suppress the deformation.

Further, the present invention is, in the above-mentioned frame, wherein the engagement piece extends so as to be inclined such that a tip end portion thereof approaches an inner peripheral side toward the found side member, and the engagement extension piece is provided at the inclined extension end portion. It is characterized in that an engagement portion with the engagement receiving portion is provided.

According to the present invention, the engagement piece can be provided along the rotation direction of the prospective side member, the force when the prospective side member is rotated is efficiently transmitted to the engagement piece, and the engagement receiving portion is engaged. It becomes easier to combine.

Further, according to the present invention, in the above-mentioned frame, the first pair of engaging elements are provided on a prospective side hook portion provided on the prospective side member and an end edge portion on an outer peripheral side of the finding side member. A find side hook portion, the find side hook portion is engaged with the find side member in a state where the prospective side hook portion is inserted, and the find side hook portion and the It is characterized in that a gap corresponding to the plate thickness of the prospective side hook portion is secured between the found side member.

According to this invention, since the portion extending along the prospective direction as the finding side member is substantially eliminated, the deformation at the time of engaging the second engagement element pair is suppressed, and the attaching work of the prospective side member is further improved. Can be facilitated.

Further, in the present invention, in the frame described above, the prospective side hook portion is provided between the inner surface of the find side member and the inner peripheral side of the find side hook portion, between the find side hook portion. It is characterized in that guide ribs that can be inserted are provided so as to project.

According to the present invention, the guide rib serves as a guide when the prospective side hook portion is engaged with the found side hook portion, so that the work of attaching the prospective side member can be facilitated.

10a New upper frame, 10c New vertical frame, 40 Frame, 41 Finding side member, 42 Expected side member, 43 Engaging mechanism, 43A First engaging element pair, 43B Second engaging element pair, 44 Expected side hook Part, 45 finding side hook part, 46 guide rib, 47 engaging piece, 47e engaging claw part, 48 engaging receiving part, 48d engaging receiving protrusion

Claims (6)

It is arranged on the outer peripheral side of the finding side member through an engaging mechanism provided between the finding side member arranged to cover the outer peripheral surface of the frame attached to the building and the finding side member. A frame provided with a prospective side member that is connected to a portion that extends along the prospective direction from the found side member,
The engagement mechanism includes a first engagement element pair that supports the prospective side member so that the prospective side member can rotate with respect to the found side member about one end edge when engaged with each other. A second engagement element pair that engages with each other when the other end edge portion of the prospective side member rotates toward the inner peripheral side in a state where the first engagement element pair is engaged with each other. ,
The second engagement element pair has an engagement piece protruding from an inner surface of the prospective side member located on the inner peripheral side, and an engagement receiving portion provided on the finding side member. A frame, wherein the engagement receiving portion is provided with an engagement portion with the engagement piece at a portion extending along the prospective direction. When the first engagement element pair engages with each other, the first engagement element pair restricts movement of the prospective side member toward the outer peripheral side with respect to the find side member and movement in a direction close to the find side member. , Which rotatably supports the prospective member with respect to the found member,
The frame according to claim 1, wherein the second engagement element pair restricts rotation of the prospective side member with respect to the found side member when engaged with each other. The engagement receiving portion is provided on an inner surface of the found-side member that faces the surface of the building, and extends along a prospective direction from a portion that is on an inner peripheral side of the first engagement element pair. The frame according to claim 1, wherein the frame is extended. The engaging piece extends so as to be inclined so that a tip end portion thereof is closer to the found side member toward the inner peripheral side, and an engaging portion with the engaging receiving portion is provided at the inclined extending end edge portion. The frame according to claim 1, wherein the frame is provided. The first engagement element pair has a prospective side hook portion provided on the prospective side member, and a finding side hook portion provided on an end edge portion on the outer peripheral side of the finding side member,
The finding side hook portion is engaged with the finding side member in a state where the prospective side hook portion is inserted, and between the finding side hook portion and the finding side member, The frame according to claim 1, wherein a gap corresponding to the plate thickness of the prospective hook portion is secured. A guide rib that allows the prospective hook portion to be inserted between the find side hook portion and the inner side of the inner surface of the find side member is provided so as to project from the find side hook portion. The frame according to claim 5, wherein the frame is a frame.