Construction formwork structure

A groove-shaped reinforcing member with screw holes simplifies the assembly of resin-made window fittings, addressing alignment and manufacturing issues, ensuring strong and aesthetically pleasing installation of operator handles.

JP7705532B1Active Publication Date: 2025-07-09ALMETAX MFG
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Patent Information

Application Number
JP2024144122
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-07-09
Estimated Expiration
2044-08-26

AI Technical Summary

Technical Problem

Conventional fitting frame structures for resin-made window fittings face challenges in ensuring installation strength for operator handles due to complex metal member alignment and assembly, leading to increased manufacturing costs and time.

Method used

A reinforcing member with a groove-shaped cross-section is attached to the inner side of the frame members, aligned with screw holes, and secured using screws, allowing easy assembly and alignment without visible fasteners, ensuring robust installation.

Benefits of technology

The solution provides a simple and robust attachment method for reinforcing the frame, ensuring strong installation of opening/closing devices while maintaining a clean aesthetic appearance.

✦ Generated by Eureka AI based on patent content.

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Abstract

When installing an opening / closing device such as an operator handle on a resin window frame body, a fitting frame structure is provided that can easily assemble a metal reinforcing material for reinforcing the installation location with a simple member configuration and a reasonable fit. 【Solution means】A metal reinforcing material 6 is attached to the prospective surface 203b inside the frame of the lower frame member 21 where the opening / closing device 4 is installed. The reinforcing material 6 is formed to have a length that matches the opposing interval between the left and right vertical frame members 23 and 24 joined to both ends of the lower frame member 21. Bore holes 64 are provided on both end faces of the reinforcing material 6. Both end faces of the reinforcing material 6 are abutted against the prospective surfaces 203b inside the frames of the left and right vertical frame members 23 and 24, and by fastening screws 65 from the outside of the frames of both vertical frame members 23 and 24, the reinforcing material 6 is fixed between both vertical frame members 23 and 24 in a state where it is attached to the prospective surface 203b inside the frame of the lower frame member 21. The pedestal portion 42 of the opening / closing device 4 is coupled to the reinforcing material 6.
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Description

Technical Field

[0001] The invention disclosed in the present application relates to a fitting frame structure for attaching an opening / closing device of a shoji door to a frame body in a fitting having a frame body and a shoji door that is attachable to and detachable from the frame body in an openable and closable manner.

Background Art

[0002] In recent years, from the perspective of energy conservation, the number of examples of installing resin-made fittings with high heat insulation properties in window openings of buildings has been increasing. In this type of resin-made fitting, the frame members that make up the four circumferences of the window frame body and the sash members that make up the four circumferences of the shoji door are often formed by extrusion-molded hard resin materials. A metal-resin composite sash is also known in which the outdoor side portion of the window frame body is formed of an aluminum alloy or the like, the indoor side portion is formed of a hard resin, and a heat-insulating resin is sandwiched therebetween and connected.

[0003] When this type of resin-made fitting is, for example, a vertically sliding window, the operator handle used for opening and closing the shoji door is usually installed in the lower frame portion of the window frame body. At the installation location, a pedestal portion (base body portion) that rotatably holds the handle is securely fixed, and a strength that can firmly receive the external force during the opening and closing operation is required.

[0004] However, the window frame body of resin-made fittings often uses extrusion-molded materials with the same cross-sectional shape for the upper frame member, the lower frame member, and the left and right vertical frame members, and they are formed by joining them at the four corners. Therefore, it is uneconomical to use only a member with a large cross-sectional shape for the lower frame member to ensure the installation strength of the operator handle, and the fit when joining the four corners also becomes troublesome. Therefore, a fitting frame structure in which a metal reinforcing member is assembled to a resin-made lower frame member to reinforce the installation location of the operator handle is disclosed in Patent Document 1.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] In the fitting frame structure disclosed in Patent Document 1, each frame member constituting the four circumferences of the resin-made frame body is formed to have a frame main body portion arranged so as to face the outer peripheral side of the shoji, and a surface facing the indoor side of the shoji when the shoji is closed by protruding from the frame main body portion to the inside of the frame. It has an out-of-plane facing portion. An out-of-plane facing hollow portion communicating along the longitudinal direction is formed in the out-of-plane facing portion, and a metal out-of-plane facing reinforcing member is disposed in the out-of-plane facing hollow portion. And a metal attachment member for attaching an operator handle is attached to the inner peripheral side of the out-of-plane facing portion and is configured to be fixed to the out-of-plane facing reinforcing member by a screw member or the like.

[0007] If such a configuration is adopted, since the metal out-of-plane facing reinforcing member disposed in the out-of-plane facing hollow portion of the frame member is fixed to the metal attachment member disposed on the inner peripheral side of the out-of-plane facing portion, a high strength is ensured at the installation location of the operator handle. At the same time, when viewed from the indoor side, each frame member is connected to form a flat surface, so that preferable design properties can be obtained.

[0008] However, in the conventional fitting frame structure, a metal out-of-plane facing reinforcing member is inserted into the out-of-plane facing hollow portion formed to communicate along the longitudinal direction of the frame member, and a metal attachment member is disposed on the inner peripheral side of the out-of-plane facing hollow portion. Since these two types of metal members are joined by a screw member or the like, it is not easy to align the metal members disposed inside and outside the frame member with each other, and the assembly work also takes time. In addition, since the cross-sectional shapes of the two types of metal members are also complicated, their manufacturing also costs.

[0009] The invention disclosed in the present application was conceived to improve such a point. When installing an operator handle or other opening / closing device on a frame formed of synthetic resin or the like, a reinforcing member for reinforcing the installation location can be easily assembled with a simple member configuration and a reasonable layout. The purpose is to provide a fitting frame structure.

Means for Solving the Problems

[0010] In order to achieve the above object, the invention disclosed in the present application adopts the following configuration as a fitting frame structure including a frame formed by framing a plurality of frame members, a shoji that is attached to the frame and opens and closes on the outdoor side of the frame, and an opening / closing device installed on the indoor side of at least one of the plurality of frame members.

[0011] [1] The reinforcing member is formed to have a length that matches the opposing interval of a pair of intersecting frame members that intersect the frame member on which the opening / closing device is installed and are respectively joined to both ends of the frame member. Bracket receiving portions are provided on both end faces of the reinforcing member. Both end faces of the reinforcing member are respectively abutted against the prospective surfaces on the inner side of the frame of the two intersecting frame members, and screws are fastened to the bracket receiving portions through the prospective surfaces on the inner side of the frame of the two intersecting frame members from the outer side of the two intersecting frame members. Thus, the reinforcing member is fixed between the two intersecting frame members in a state of being attached to the prospective surface on the inner side of the frame of the frame member on which the opening / closing device is installed, and the pedestal portion of the opening / closing device is coupled to the reinforcing member.

[0012] [2] The frame member on which the opening / closing device is installed is an extruded shape made of synthetic resin formed with a frame main body portion arranged to face the outer peripheral portion of the shoji when the shoji is closed, and an indoor protruding portion that protrudes inward from the indoor side of the closing position of the shoji in the frame main body portion and faces the contact surface of the frame of the shoji when the shoji is closed. The reinforcing member is attached to the prospective surface on the inner side of the frame in the indoor protruding portion. Integrally formed, and the reinforcing member is attached to the prospective surface on the inner side of the frame in the indoor protruding portion.

[0013] [3] The reinforcing member is a metal extrusion having a groove-shaped cross-section that opens toward the outdoor side, and the screw receiving portion is screw holes formed at two corners in the groove-shaped cross-section.

[0014] [4] A synthetic resin cover member having an L-shaped cross-section is covered on the indoor side and the inner side of the frame of the reinforcing member, and the opening and closing device is coupled to the reinforcing member by sandwiching the cover member from the indoor side of the cover member.

Effect of the Invention

[0015] According to the fitting frame structure configured as described above, due to a simple member configuration and a reasonable fit, the reinforcing member can be easily and firmly attached to the frame member constituting the frame body. By coupling the opening and closing device to the reinforcing member, the installation strength of the opening and closing device can be sufficiently ensured.

Brief Description of the Drawings

[0016]

Figure 1

Figure 2

Figure 3

Figure 4

Mode for Carrying Out the Invention

[0017] Hereinafter, embodiments of the invention disclosed in the present application will be described with reference to the drawings. FIGS. 1 to 4 show the main parts of a fitting adopting the fitting frame structure of the invention disclosed in the present application.

[0018] The fitting 1 to which the invention disclosed in this application is applied basically comprises a frame body 2 formed by framing a plurality of frame members, a shoji 3 attached to the frame body 2 and opened and closed, and an opening / closing device 4 used for the opening / closing operation of the shoji 3. The exemplary fitting 1 is a vertically-sliding window in which a shoji 3 attached to a vertically long rectangular frame body 2 via a link mechanism (joint arm) 5 is opened and closed to the outdoor side by operating an opening / closing device (operator handle) 4 installed on the indoor side of the lower frame member.

[0019] The lower frame member 21, upper frame member 22, and left and right vertical frame members 23, 24 constituting the four sides of the frame body 2 are all manufactured by extrusion molding of a synthetic resin material and have the same cross-sectional shape as each other. In the exemplary embodiment, the four frame members are joined by butting the ends cut at an angle of 45 degrees obliquely against each other in a "fastened" form.

[0020] Similarly, the frame body 31 surrounding the four sides of the shoji 3 is formed by joining frame members having the same cross-sectional shape as each other, which are manufactured by extrusion molding of a synthetic resin material. A face material 32 made of triple glass is fitted inside the frame body 31. However, in the invention disclosed in this application, the detailed configuration of the shoji 3 is not particularly limited.

[0021] The opening / closing device 4 has a pedestal portion 42 that rotatably holds a handle 41 attached to a metal reinforcing member 6 attached to the expected surface inside the frame of the lower frame member 21. The main part of the invention disclosed in this application lies in the structure of attaching the reinforcing member 6 to the lower frame member 21, and this point will be specifically described below.

[0022] In the following, when explaining the positional relationship of parts / members and the direction of movement, the vertical direction (height direction) and the horizontal direction (width direction) are specified based on the state of viewing the fitting 1 from the indoor side (Figure 1). Also, the direction orthogonal to the opening surface of the fitting 1 is defined as the indoor / outdoor direction (depth direction), the central side within the opening surface of the fitting 1 is referred to as the inside of the frame, and the outer peripheral side (wall side) is referred to as the outside of the frame.

[0023] Each frame member (21 - 24) constituting the frame body 2 has a frame main body portion 201 that faces the outer peripheral portion of the frame body 31 of the shoji 3 when the shoji 3 is closed, an outdoor side protruding portion 202 that extends to the outdoor side of the frame main body portion 201 and protrudes outward of the frame in a substantially stepped shape, and an indoor side protruding portion 203 that protrudes inward of the frame from the indoor side of the closing position of the shoji 3 in the frame main body portion 201 and faces the contact surface of the frame body 31 when the shoji 3 is closed.

[0024] The frame main body portion 201 and the outdoor side protruding portion 202 are provided with a plurality of hollow portions communicating in the material length direction and a plurality of partition walls partitioning them. However, in the invention disclosed in the present application, the detailed shapes of these hollow portions and partition walls are not particularly limited. On the indoor side contact surface of the frame main body portion 201, a cut piece 204 covering the butting portion with the molding 7 is protruded toward the indoor side.

[0025] In the exemplary embodiment, the indoor side protruding portion 203 has a substantially square hollow cross-sectional shape, and is integrally formed with the frame main body portion 201 so that the indoor side contact surface 203a thereof is continuous with the indoor side contact surface 201a of the frame main body portion 201. The indoor side contact surface 203a of the indoor side protruding portion 203 protrudes slightly inward of the frame from the indoor side prospect surface 203b. Further, in the vicinity of the connection portion between the indoor side prospect surface 203b and the outdoor side contact surface 203c of the indoor side protruding portion 203, a concave groove portion 203d with a lip opening to the outdoor side is formed, and a water stop material 205 for closing the gap with the shoji 3 is fitted into this concave groove portion 203d.

[0026] For the reinforcing member 6, an extruded shape made of, for example, an aluminum alloy or other metal material is used. The reinforcing member 6 in the exemplary embodiment is a member in which the bottom surface portion 61, the standing surface portion 62, and the top surface portion 63 are continuous so as to form a groove-shaped (U-shaped) cross-sectional shape. At two corners in the groove-shaped cross-sectional shape, screw holes (tapping holes) 64 having a substantially C-shaped cross-sectional shape are formed, and these screw holes 64 constitute the "screw receiving portion" described in the claims.

[0027] The reinforcing member 6 has its bottom surface portion 61 overlapped with the prospective surface 203b inside the frame of the indoor protruding portion 203 of the lower frame member 21, and its standing surface portion 62 conforms to the protruding portion of the indoor finding surface 203a of the indoor protruding portion 203. With the groove-shaped opening facing the outdoor side, it is placed on the indoor protruding portion 203. In this state, the bottom surface portion 61 of the reinforcing member 6 may be temporarily fixed to the prospective surface 203b inside the frame of the indoor protruding portion 203 via an adhesive or double-sided tape.

[0028] The material length (the left-right width as seen from the indoor side) of the reinforcing member 6 is cut so as to match the opposing interval (strictly speaking, the opposing interval between the prospective surfaces 203b inside the frame, excluding the protruding height inside the frame of the indoor finding surface 203a of the left and right vertical frame members 23, 24) of a pair of vertical frame members 23, 24 (the "intersecting frame members" described in the claims) that intersect the lower frame member 21 and are respectively joined to the left and right ends of the lower frame member 21. Then, both end faces of the reinforcing member 6 are respectively abutted against the prospective surfaces 203b inside the frame of the indoor protruding portion 203 of the left and right vertical frame members 23, 24.

[0029] In the left and right vertical frame members 23, 24, screw insertion holes 206 that penetrate from the outside of the frame body portion 201 to the prospective surface 203b inside the frame of the indoor protruding portion 203 are formed. A screw 65 is inserted into the screw insertion hole 206 from the outside of the frame and fastened to the screw hole 64 of the reinforcing member 6. In this way, with the reinforcing member 6 attached to the prospective surface 203b inside the frame of the indoor protruding portion 203 of the lower frame member 21, it is fixed between the left and right vertical frame members 23, 24.

[0030] Further, a synthetic resin cover material 8 having a substantially L-shaped cross-sectional shape is placed over the upright surface portion 62 and the top surface portion 63 of the reinforcing material 6. In the exemplary embodiment, the upper edge of the hanging piece portion 81 covering the upright surface portion 62 of the reinforcing material 6 is formed so as to protrude slightly inside the frame more than the horizontal piece portion 82 covering the top surface portion 63 of the reinforcing material 6. And the lower edge of the hanging piece portion 81 is arranged to be sandwiched between the protruding portion of the indoor finding surface 203a at the indoor protruding portion 203 of the lower frame member 21 and the upright surface portion 62 of the reinforcing material 6. Further, a hook-shaped claw edge 83 projecting downward is formed on the outdoor side edge of the horizontal piece portion 82, and this claw edge 83 is engaged with the outdoor side edge of the top surface portion 63 of the reinforcing material 6.

[0031] In this way, with respect to the upright surface portion 62 of the reinforcing material 6 attached to the lower frame member 21, the pedestal portion 42 of the opening / closing device 4 is coupled by screws 43 or the like from the indoor side of the cover material 8 with the cover material 8 interposed therebetween. According to such a fitting frame structure, it is a simple fit that does not require the trouble of inserting and aligning another member into the hollow portion of the lower frame member 21, and the reinforcing material 6 can be attached to the lower frame member 21. This reinforcing material 6 is sandwiched between the left and right vertical frame members 23, 24 intersecting the lower frame member 21 and is screwed to the left and right vertical frame members 23, 24 at both ends thereof. By coupling the pedestal portion 42 of the opening / closing device 4 to this reinforcing material 6, the installation strength of the opening / closing device 4 can be sufficiently ensured. Also, in this fitting frame structure, no screws or other mounting members, unevenness, etc. appear on the outer surfaces of the lower frame member 21, the reinforcing material 6, and the cover material 8, so a favorable appearance can be obtained in terms of the design surface.

[0032] The link mechanism 5 that opens and closes the shoji 3 in conjunction with the operation of the opening and closing device 4 is connected to the pedestal portion 42 through openings (not shown) of appropriate shapes formed in the standing surface portion 62 of the reinforcing member 6 and the hanging piece portion 81 of the cover member 8. The outdoor-side end of the link mechanism 5 is connected to the lower frame member 311 and the like that constitute the lower side of the frame body 31 of the shoji 3. In the exemplary embodiment, a metal frame reinforcing member 33 having a substantially L-shaped cross-sectional shape is inserted into the hollow portion of the lower frame member 311, and the frame reinforcing member 33 is screwed to the lower frame member 311 so as to conform to the bottom surface and the indoor-side inner surface of the hollow portion. Then, the end portion of the link mechanism 5 is connected to the frame reinforcing member 33 from the indoor side by screwing or the like. However, the invention disclosed in the present application does not limit the cross-sectional shape of the frame reinforcing member 33, the mounting form to the frame body 31, the connection form with the link mechanism 5, etc. to the exemplary form.

[0033] Furthermore, the technical scope of the invention disclosed in the present application should not be construed in a limited manner by the illustrated embodiments, but should be conceptually construed based on the description in the claims. The names of the components used in the claims and the specification are for convenience in order to make the invention easier to understand specifically, and the names do not limit the concept and properties of the components more than necessary. When implementing the invention disclosed in the present application, the detailed shapes, dimensions, structures, materials, quantities, connection forms with other elements, relative positional relationships, etc. of the components not specifically specified in the claims can be appropriately modified within the range where substantially the same or greater effects can be obtained as in the exemplary embodiments.

[0034] For example, although the invention disclosed in the present application was conceived to partially reinforce a synthetic resin frame body formed by frame members made of extruded profiles having the same cross-sectional shape on all four sides, it is also applicable to a frame body in which the cross-sectional shapes of some of the frame members are different from those of other frame members, or a frame body formed by assembling frame members that are not extruded profiles. Furthermore, it is also applicable to a frame body in which some or all of the frame members are made of metal materials, wooden materials, etc. to partially reinforce the frame body.

[0035] In addition, the corners of the frame where two frame members are orthogonally connected are not limited to the exemplified "fastening" form, and may be joined in the form of "win-lose (taro)" where the end face of one frame member abuts against the side face of the other frame member. In that case, the frame member on which the opening / closing device is installed becomes the losing side (the side where the end face abuts against the side face of the intersecting frame member).

[0036] Furthermore, the invention disclosed in the present application is not limited to a fitting that is rectangular when viewed from the front, and can also be applied to, for example, fittings in which the upper side portions of the frame and the shoji are in a semi-circular arc shape or a mountain shape. Also, it can be similarly applied not only to fittings for single windows but also to fittings for horizontally connected windows and vertically stepped windows.

[0037] The reinforcing member can also be replaced with a member other than an extruded shape. When adopting a member other than an extruded shape, a screw receiving portion may be provided by joining or inserting an end plate having screw holes formed in the end face of the reinforcing member. Also, as the reinforcing member, not only a metal member but also, for example, a high-strength resin member or a composite member in which a metal member and a resin member are integrally formed in advance can be adopted.

[0038] The type of the opening / closing device is not limited to an operator handle as exemplified, and an appropriate opening / closing device according to the opening / closing method of the shoji can be applied. The connection form between the opening / closing device and the shoji, and the frame member on which the opening / closing device is installed can also be appropriately changed according to the opening / closing method of the shoji, the type of the opening / closing device, the installation location of the opening / closing device, etc.

Industrial Applicability

[0039] The invention disclosed in the present application can be widely used for a fitting frame that partially reinforces the frame body and installs other devices.

Explanation of Reference Numerals

[0040] 1 Fitting 2 Frame body 201 Frame main body portion 201a Indoor finding surface 202 Outdoor protruding portion 203 Indoor protruding portion 203a Indoor finding surface Prospective surface inside the 203b frame Detected surface on the outdoor side of 203c 203d Concave groove part 204 Saw cut piece 205 Waterproof material 206 Screw insertion hole 21 Lower frame member 22 Upper frame member 23 Vertical frame member 24 Vertical frame member 3 Shoji 31 Frame body 311 Lower frame member of the frame 32 Surface material 33 Frame reinforcement member 4 Opening and closing device 41 Handle 42 Pedestal part 43 Screw 5 Link mechanism 6 Reinforcement member 61 Bottom surface part 62 Upright surface part 63 Top surface part 64 Screw hole (screw receiving part) 65 Screw 7 Picture frame material 8 Cover material 81 Hanging piece part 82 Horizontal piece part 83 Claw edge

Claims

1. A frame formed by framing a plurality of frame members, A shoji door attached to the frame and opened and closed on the outdoor side of the frame, An opening and closing device installed on the indoor side of at least one of the plurality of frame members, In a fitting comprising: A fitting frame structure in which a reinforcing member is attached to the prospective surface inside the frame of the frame member on which the opening and closing device is installed, The reinforcing member is formed to have a length that matches the opposing interval of a pair of intersecting frame members that intersect the frame member on which the opening and closing device is installed and are joined to both ends of the frame member respectively, Bolt receiving portions are provided on both end surfaces of the reinforcing member, Both end surfaces of the reinforcing member are abutted against the prospective surfaces inside the frames of the both intersecting frame members respectively, By screwing bolts into the bolt receiving portions through the prospective surfaces inside the frames of the both intersecting frame members from the outside of the frames of the both intersecting frame members, The reinforcing member is fixed between the both intersecting frame members in a state of being attached to the prospective surface inside the frame of the frame member on which the opening and closing device is installed, The pedestal portion of the opening and closing device is coupled to the reinforcing member A fitting frame structure characterized by the above.

2. In the fitting frame structure according to Claim 1, The frame member on which the opening and closing device is installed is an extruded shape made of synthetic resin in which a frame main body portion arranged to face the outer peripheral portion of the shoji door when the shoji door is closed and an indoor side protruding portion that protrudes inward from the indoor side of the closing position of the shoji door in the frame main body portion and faces the finding surface of the frame of the shoji door when the shoji door is closed are integrally formed, The reinforcing member is attached to the prospective surface inside the frame of the indoor side protruding portion A fitting frame structure characterized by the above.

3. In the fitting frame structure according to Claim 1 or Claim 2, The reinforcing member is an extruded shape made of metal having a groove-shaped cross-sectional shape that opens toward the outdoor side, The bolt receiving portion is a bolt hole formed at two corners in the groove-shaped cross-sectional shape A fitting frame structure characterized by the above.

4. In the fitting frame structure according to Claim 2 or Claim 3 that cites Claim 2, A cover material made of synthetic resin having an L-shaped cross-sectional shape is covered on the indoor side and inside the frame of the reinforcing member, The opening and closing device is coupled to the reinforcing member by sandwiching the cover material from the indoor side of the cover material A fitting frame structure characterized by the above.

Citation Information

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