Fittings
The detachable stopper member attached to the vertical frames of the shoji screen prevents dislodgment during earthquakes by maintaining engagement with the frame, addressing the issue of shoji screens being dislodged due to bent frames.
Patent Information
- Application Number
- JP2021155810
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-09-24
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2041-09-24
AI Technical Summary
Shoji screens can be dislodged from their frames during earthquakes due to bent lower frames, leading to disengagement from the upper frame and potential release from the frame.
A removable detachable stopper member is attached to the interior side of the vertical frames of the shoji screen, protruding inwardly to prevent the shoji screen from coming off the frame by maintaining engagement with the frame.
The solution effectively prevents the shoji screen from being dislodged during earthquakes by maintaining engagement with the frame, ensuring the shoji screen remains securely attached without complicating the installation process.
Smart Images

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Abstract
Description
[Technical field]
[0001] The present disclosure relates to building materials. [Background technology]
[0002] Conventionally, there is known a fitting in which the upper and lower parts of a shoji screen are stored and supported in a Kendon style in rail grooves provided in the upper and lower frames, and the screen is not supported by the left and right vertical frames (see, for example, Patent Document 1). In this fitting, a stopper member having a locking tongue that protrudes into the rail groove of the lower frame is provided on the fixed part of the handle of the lower rail of the shoji screen to prevent the screen screen from coming off the lower frame when it is lifted upward by the vertical shaking of an earthquake. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] JP 2018-184709 A Summary of the Invention [Problem to be solved by the invention]
[0004] The inventor further investigated the causes of the screen coming off the frame other than the case where the screen comes off the bottom frame due to vertical shaking caused by an earthquake. As a result, it was found that when the bottom frame is bent due to poor construction of the frame, the screen moves downward and the engagement between the screen and the top frame is released, and the screen may come off the frame.
[0005] However, attaching anti-detachment members to the upper rail in addition to the lower rail of the shoji screen in order to maintain the engagement between the shoji screen and the upper frame is not preferable, as it complicates the installation work of the shoji screen.
[0006] Therefore, the inventor has discovered a problem of how to prevent the screen from coming off the frame by maintaining the engagement between the screen and the frame with a simple structure. [Means for solving the problem]
[0007] The building fixture of the present disclosure comprises a frame body having an upper frame, a lower frame, and left and right vertical frames and having grooves in the upper and lower frames, a shoji screen having a facing on the inside of a frame body having upper and lower bars and left and right vertical frames and held to the upper and lower frames by inserting its upper and lower ends into the grooves, and a slip-prevention member that is removably attached to the vertical frames on the inside of the room side of the shoji screen so as to protrude inward, and prevents the shoji screen from coming off the frame body. [Brief description of the drawings]
[0008] [Figure 1] This is a front view of the fixture from the inside of the room. [Diagram 2] FIG. 2 is a vertical cross-sectional view taken along the line AA in FIG. [Diagram 3] FIG. 2 is a vertical cross-sectional view taken along line BB in FIG. [Figure 4A] 11A and 11B are diagrams illustrating the attachment position of the stopper member. [Figure 4B] 11A and 11B are diagrams illustrating the attachment position of the stopper member. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0009] Hereinafter, an embodiment of the fitting of the present disclosure will be described in detail with reference to the drawings. In this embodiment, a fixed window 1 is shown as a fitting. The fixed window 1 is a so-called fixed window, and is attached to the inside of a frame 101 provided along the inner periphery of a rectangular opening 100 in the building framework. The fixed window 1 does not open or close the opening 100 except when the shoji screen 3 is removed for cleaning or the like.
[0010] Fig. 1 is a front view of a fixed window 1 as viewed from the indoor side. In Figs. 2 and 3, the X1 direction indicates the outdoor side of the fixed window 1, and the X2 direction indicates the indoor side of the fixed window 1. Another window (not shown), such as a fixed window or a sliding window, may be further attached inside the frame 101 on the outdoor side of the fixed window 1. This creates a double window on the inside of the frame 101, further improving heat insulation and soundproofing. The fixed window 1 of this embodiment can be retrofitted to the indoor side of an existing window (not shown).
[0011] A fixed window 1 has a frame 2 provided inside a frame 101, a screen 3 placed inside the frame 2, and a retaining member 4. The frame 2 is formed by framing an upper frame 21, a lower frame 22, and left and right vertical frames 23, 24 in a rectangular shape. The screen 3 is removably fitted inside the frame 2. The retaining member 4 is a member that prevents the screen 3 from coming off the frame 2.
[0012] The upper frame 21 of the frame body 2 is integrally extruded from a resin material. The upper frame 21 has a first hollow portion 211 having a rectangular cross-sectional hollow structure arranged on the outdoor side, a second hollow portion 212 having a rectangular cross-sectional hollow structure arranged on the indoor side, and a flat base portion 213 connecting the upper ends of the first hollow portion 211 and the second hollow portion 212. The first hollow portion 211, the second hollow portion 212, and the base portion 213 extend over the entire length of the extension direction of the upper frame 21. In this embodiment, the first hollow portion 211 and the second hollow portion 212 protrude downward from the base portion 213 at the same height, but they do not necessarily have to protrude at the same height.
[0013] The first hollow portion 211 and the second hollow portion 212 are arranged in parallel and spaced apart in the indoor / outdoor direction. As a result, a groove portion 214 is formed between the first hollow portion 211, the second hollow portion 212, and the base portion 213, over the entire length of the upper frame 21 in the extension direction. The groove portion 214 opens downward and accommodates the upper end of the shoji screen 3. The base portion 213 forms the inner bottom surface of the groove portion 214. A sealing portion 215 that protrudes toward the inside of the room and elastically contacts the outside surface of the shoji screen 3 is integrally provided at the lower end of the first hollow portion 211. A fin portion 216 that protrudes toward the outside of the room and elastically contacts the inside surface of the shoji screen 3 is integrally provided at the lower end of the second hollow portion 212. The upper frame 21 is fixed to the upper inner surface of the frame 101 by a fixing screw SC1 that penetrates the base portion 213.
[0014] The lower frame 22 of the frame body 2 is integrally extruded from a resin material. The lower frame 22 has a first hollow portion 221 having a rectangular cross-sectional hollow structure arranged on the outdoor side, a second hollow portion 222 having a rectangular cross-sectional hollow structure arranged on the indoor side, and a flat plate-shaped base portion 223 connecting the lower ends of the first hollow portion 221 and the second hollow portion 222. The first hollow portion 221, the second hollow portion 222, and the base portion 223 extend over the entire length of the extension direction of the lower frame 22. In this embodiment, the first hollow portion 221 and the second hollow portion 222 protrude upward from the base portion 223 at the same height, but they do not necessarily have to protrude at the same height.
[0015] The first hollow portion 221 and the second hollow portion 222 are arranged in parallel and spaced apart in the indoor / outdoor direction. As a result, a groove portion 224 is formed between the first hollow portion 221, the second hollow portion 222, and the base portion 223, similar to the upper frame 21, over the entire length of the extension direction of the lower frame 22. The groove portion 224 opens upward and accommodates the lower end of the shoji screen 3. The base portion 223 forms the inner bottom surface of the groove portion 224. A sealing portion 225 that protrudes toward the inside of the room and elastically contacts the outside surface of the shoji screen 3 is integrally provided at the upper end of the first hollow portion 221. A fin portion 226 that protrudes toward the outside of the room and elastically contacts the inside surface of the shoji screen 3 is integrally provided at the upper end of the second hollow portion 222. The lower frame 22 is fixed to the lower inner surface of the frame 101 by a fixing screw SC2 that penetrates the base portion 223.
[0016] The vertical frames 23, 24 of the frame body 2 are each integrally extruded from a resin material into a substantially L-shape. The vertical frames 23, 24 extend vertically between the upper frame 21 and the lower frame 22. The vertical frames 23, 24 have base portions 231, 241 extending at a predetermined width along the vertical direction of the frame 101, exterior wall portions 232, 242 extending at a substantially right angle from the exterior ends of the base portions 231, 241 toward the inside of the frame 101, and abutment pieces 233, 243 extending at a substantially right angle from the inner ends of the exterior wall portions 232, 242 toward the inside of the room.
[0017] The contact pieces 233, 243 are formed narrower than the base plate parts 231, 241 so as to contact the exterior surface of the shoji screen 3. Sealing parts 234, 244 that elastically contact the exterior surface of the shoji screen 3 are integrally provided at the tips of the contact pieces 233, 243. The vertical frames 23, 24 are fixed to the inner surfaces of the left and right sides of the frame 101 by fixing screws SC3, SC4 that penetrate the base plate parts 231, 241, respectively.
[0018] The shoji screen 3 is made up of an upper rail 31, a lower rail 32, and left and right vertical rails 33, 34 assembled in a rectangular shape into a frame body 30. A glazing tile is attached to the inside of the frame body 30. A2, the upper rail 31 and the lower rail 32 are respectively composed of metal core members 311, 321, resin cover members 312, 322 covering the outside thereof, and resin upper end cover members 313 and lower end cover members 323 attached to the upper end faces and lower end faces of the resin cover members 312, 322. The vertical frames 33, 34 are respectively composed of metal core members 331, 341, and resin cover members 332, 342 covering the outside thereof, as shown in FIG.
[0019] As shown in Figure 1, the shoji screen 3 has a vertically-hinged structure in which an upper rail 31 and a lower rail 32 are arranged between left and right vertical frames 33, 34. More specifically, the left and right vertical frames 33, 34 extend over the entire height of the shoji screen 3. The upper rail 31 and the lower rail 32 are arranged between the left and right vertical frames 33, 34, and connect the upper ends and the lower ends of the vertical frames 33, 34, respectively. A roughly U-shaped handle 36 is attached to the center of the surface of the lower rail 32 facing the room.
[0020] The shoji screen 3 is inserted from the inside of the room into the groove 214 of the upper frame 21 and the groove 224 of the lower frame 22 in the following manner. First, the upper end of the shoji screen 3 is inserted deep into the groove 214 of the upper frame 21. Next, the lower end of the shoji screen 3 is aligned with the groove 224 of the lower frame 22. After that, the shoji screen 3 is lowered, and the lower end of the shoji screen 3 is inserted into the groove 224 of the lower frame 22. As a result, the upper and lower ends of the shoji screen 3 are accommodated in the grooves 214, 224, respectively, and the shoji screen 3 is fitted and held in place by the upper frame 21 and the lower frame 22. The left and right vertical frames 23, 24 simply abut the sealing parts 234, 244 at the tips of the abutment pieces 233, 243 against the outside surface of the shoji screen 3, and do not hold the shoji screen 3.
[0021] The depth of the groove 214 of the upper frame 21 and the groove 224 of the lower frame 22 are the same. However, as shown in FIG. 2, inside the groove 224 of the lower frame 22, a plurality of resin liners 227 that support the lower end of the shoji screen 3 are provided at predetermined intervals. The liners 227 are formed in a block shape and have a height slightly lower than the height of the first hollow portion 221 and the second hollow portion 222 of the lower frame 22. Therefore, the lower end surface of the shoji screen 3 accommodated in the groove 224 of the lower frame 22 is positioned slightly lower than the upper end surfaces of the first hollow portion 221 and the second hollow portion 222 of the lower frame 22.
[0022] In this state, the upper end of the shoji screen 3 is engaged with the upper frame 21 while remaining housed in the groove 214 of the upper frame 21. The lower end of the shoji screen 3 is engaged with the lower frame 22 while remaining housed in the groove 224 of the lower frame 22. The sealing portion 215 and the fin portion 216 of the upper frame 21 abut against the upper end of the shoji screen 3 from the outside and inside of the room, respectively. This prevents the upper end of the shoji screen 3 from rattling, prevents the intrusion of dust and other foreign matter from outside, and ensures airtightness in the upper frame 21. The sealing portion 225 and the fin portion 226 of the lower frame 22 abut against the lower end of the shoji screen 3 from the outside and inside of the room, respectively. This prevents the lower end of the shoji screen 3 from rattling, prevents the intrusion of dust and other foreign matter from outside, and ensures airtightness in the lower frame 22.
[0023] The anti-fall-out member 4 consists of a roughly rectangular block made of metal or resin, and is removably attached to the left and right vertical frames 23, 24 after the shoji screen 3 is attached to the frame body 2 in the Kendon style as described above.
[0024] As shown in Figs. 2 and 3, the stopper member 4 is attached to the inner surface of the base plate parts 231, 241 of the vertical frames 23, 24 on the indoor side of the shoji screen 3 by the mounting screw 41 so as to protrude toward the inside of the frame body 2. The length direction of the stopper member 4 is along the extension direction of the vertical frames 23, 24. As shown in Figs. 2 and 3, the stopper member 4 is in contact with the indoor side surfaces 32a, 33a of the vertical frames 32, 33 of the shoji screen 3 when attached to the inner surface of the base plate parts 231, 241. Therefore, when the shoji screen 3 moves in a direction to come off from the frame body 2 toward the indoor side, the stopper member 4 abuts against the vertical frames 33, 34 of the shoji screen 3 to prevent the shoji screen 3 from moving, and the engagement state between the shoji screen 3 and the frame body 2 is maintained.
[0025] In this embodiment, one anti-slip member 4 is attached near the center of the extension direction of the left and right vertical frames 23, 24. The anti-slip member 4 can abut against the indoor side surfaces 33a, 34a of the vertical frames 33, 34 of the shoji screen 3 both when the shoji screen 3 moves upward and when the shoji screen 3 moves downward. Therefore, with a minimum number of anti-slip members 4, it is possible to prevent the upper and lower ends of the shoji screen 3 from moving in a direction away from the upper frame 21 and the lower frame 22 toward the indoor side, respectively.
[0026] The vicinity of the center in the extension direction of the vertical frames 23, 24, which is the attachment position of the anti-detachment member 4, can include a predetermined range above and below the center in the extension direction of the vertical frames 23, 24. In detail, the anti-detachment member 4 can be attached at a position that satisfies the following conditions, with reference to Figures 4A and 4B. This increases the degree of freedom in the attachment position of the anti-detachment member 4.
[0027] H U ≧W U / tanθ U +D U And H L ≧W L / tanθ L +D L H U : Upper limit position of the attachment position of the stopper member 4 H L:Lowest position of the attachment position of the stopper member 4 W U : Thickness of the second hollow portion 212 of the upper frame 21 in the forward direction W L : Thickness in the projection direction of the second hollow portion 222 of the lower frame 22 D U Height of the second hollow portion 212 of the upper frame 21 from the base portion 213 D L Height of the second hollow portion 222 of the lower frame 22 from the base portion 223 θ U : The angle at which the shoji screen 3 comes off the upper frame 21 θ L : The angle at which the shoji screen 3 comes off the bottom frame 22
[0028] In Fig. 4A, the lower end of the shoji 3A is shown coming off the lower frame 22, and the upper end of the shoji 3B is shown coming off the upper frame 21. In Fig. 4B, the upper limit H U is the top edge of the screen 3 (H U0 ) downward from the lower limit H L is the bottom edge of the screen 3 (H L0 ) indicates the distance upward.
[0029] The anti-slip member 4 may be attached to only one of the left and right vertical frames 23, 24. When the anti-slip member 4 is attached to each of the left and right vertical frames 23, 24 as in the present embodiment, even a small anti-slip member 4 can effectively prevent the shoji screen 3 from coming off the frame 2.
[0030] In this embodiment, the retaining members 4 are disposed at the same height on the left and right vertical frames 23, 24, so that the left and right retaining members 4 do not cause a sense of incongruity in design to an observer from inside the room. The left and right retaining members 4 may be disposed at different heights on the left and right vertical frames 23, 24, as long as they can prevent the shoji screen 3 from moving out of the frame 2 toward the inside of the room.
[0031] The stopper member 4 is not limited to a block shape consisting of a substantially rectangular parallelepiped. Although not shown, the stopper member 4 may be a cylinder, a plate, or the like, as long as it protrudes from the vertical frames 23, 24 toward the inside of the frame body 2 and can abut against the vertical frames 33, 34 of the shoji screen 3. [Explanation of symbols]
[0032]
[0033] 1 FIX window, 2 Frame body, 3 Shoji screen, 4 Stopper member, 21 Upper frame, 22 Lower frame, 23, 24 Vertical frame, 30 Frame body, 31 Upper rail, 32 Lower rail, 33, 34 Vertical frame, 35 Surface material
Claims
1. A frame body having an upper frame, a lower frame, and left and right vertical frames, and having grooves in the upper frame and the lower frame; A sash has a surface material on the inside of a frame body having an upper rail, a lower rail, and left and right vertical rails, and the upper end and the lower end are inserted into the grooves to be held by the upper frame and the lower frame; A stopper member is attached to the vertical frame on the indoor side of the shoji screen so as to protrude inward and is detachably attached to prevent the shoji screen from coming off the frame body. The anti-slip member is not fixed to the shoji screen, and prevents the shoji screen from moving toward the inside of the room by abutting against the vertical frame of the shoji screen from the inside of the room.
2. The fixture according to claim 1 , wherein the anti-slip member is attached near the center of the vertical frame in the extension direction.
3. The fixture according to claim 1 or 2, wherein the anti-slip members are attached to the left and right vertical frames, respectively.
Citation Information
Patent Citations
JP1950-006649Y
JP1978044853U
JP1980170384U
JP1981125934U
Fireproof sash
JP2017218870A