Partition

The partition panel stabilizes attachment by using a folded locking piece as a fulcrum to secure the push edge, preventing screw loosening and distributing load-bearing capacity, addressing panel wobble and instability issues.

JP2025132145APending Publication Date: 2025-09-10SANWA SHUTTER CORP
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Patent Information

Application Number
JP2024029513
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-09-10

AI Technical Summary

Technical Problem

Conventional partition panels experience screw loosening due to repeated loads, causing the panel to wobble and potentially fall, as the push edge is not securely fixed to the frame, leading to instability.

Method used

A partition design with a frame member and push edge that includes a folded locking piece engaging with a receiving piece, where the push edge is attached by fixing an abutting piece to a fixed piece, using the locking piece as a fulcrum to stabilize the attachment under load, and incorporating an auxiliary piece and extension piece for enhanced stability.

Benefits of technology

The design stabilizes the panel attachment by preventing screw loosening and panel wobble, ensuring secure fixation even under repeated loads, and distributes load-bearing capacity across multiple structural elements.

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Abstract

To achieve that, in a partition 1 in which an upper fitting recessed groove 9 of a panel body 2 is formed by attaching an upper push edge 7 to an upper frame material 5, when a load is applied to a second groove side piece 9c on the outer front-to-rear side that forms the upper fitting recessed groove 9 in a direction that causes the same to fall from the panel body 2, the load is prevented from becoming a load in a direction that causes a screw 7f that fixes the upper push edge 7 to the upper frame material 5 to come out.SOLUTION: The upper push edge 7 is engaged with a bent engagement receiving piece 5f formed on an upper frame material 5 between an upper contact piece 7d that is fixed in contact with a fixed piece 5ba and the lower second groove side piece 9c, and is configured such that when the load acts on the second groove side piece 9c, the contact piece 7d presses the fixed piece 5ba with the engaged portion as a fulcrum.SELECTED DRAWING: Figure 7
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Description

[Technical Field]

[0001] The present invention relates to the technical field of partitions that separate indoor spaces. [Background technology]

[0002] Today, partitions made of panels are used to divide interior spaces into front and rear sections, and some of these partitions are configured, for example, so that an upper frame is attached to a rail (a frame member) installed on the ceiling surface, and the panel is fitted into a U-shaped fitting groove formed in the upper frame. In a partition configured in this way, an L-shaped groove bottom piece and a first groove side piece for forming the fitting groove are formed in the upper frame, and the upper edge of the panel is fitted so as to face the groove bottom piece and the first groove side piece, and a push edge formed with a second groove side piece is attached to the frame, so that the upper edge of the panel can be fitted into the U-shaped fitting groove formed by the groove bottom piece and the first and second groove side pieces (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 6121687 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the conventional method, the push edge is attached and fixed to the upper frame material by screwing the abutment piece formed on the push edge into a fixing piece formed above the mating groove of the upper frame material, with the abutment piece formed on the push edge abutting against the fixing piece. In a partition panel, the first groove side piece is supported by the upper frame member and is immobile, while the second groove side piece is not. Therefore, even in a natural state, a load acts on the upper edge of the panel, tilting it toward the second groove side piece, with the lower edge supported by the lower frame member as a fulcrum. When this load acts on the panel, the push edge receives a load that moves the second groove side piece away from the first groove side piece, and the abutting piece, which receives this load, also receives a load that moves it away from the fixed piece. As a result, the screw that secures the abutting piece to the fixed piece receives a load that causes the screw to slip out. Repeated loads can loosen the screw, potentially causing the panel to wobble. These are the issues that the present invention aims to address. [Means for solving the problem]

[0005] The present invention has been made in view of the above-mentioned circumstances and with the aim of solving these problems. The invention of claim 1 is a partition that separates an interior space into front and rear, and comprises a frame member attached to a body side member and having a groove bottom piece and a first groove side piece formed on the inside in the front-rear direction, a push edge attached to the frame member and having a second groove side piece formed on the outside in the front-rear direction to form a square-shaped fitting groove together with the groove bottom piece and the first groove side piece, and a panel whose edge is fitted into the fitting groove. In this partition, which is constructed with a panel body, the frame material is provided with a fixed piece portion for fixing to the visible surface portion of the main body side member and a folded locking receiving piece portion that is folded and formed at the tip edge portion of the groove bottom piece, and the push edge is formed with a folded locking piece portion that locks onto the folded locking receiving piece portion and an abutting piece portion that abuts against the fixed piece portion, and the push edge is attached to the frame material by fixing the abutting piece portion to the fixed piece portion in a state where the folded locking piece portion is locked onto the folded locking receiving piece portion. The invention of claim 2 is a partition as described in claim 1, characterized in that when a load acts on the second groove side piece from the panel body inserted into the fitting groove in a direction away from the first groove side piece, the push edge acts as a load in a direction in which the abutting piece presses the fixed piece, with the engaging portion of the folded engaging piece relative to the folded engaging receiving piece as a fulcrum. The invention of claim 3 is a partition as described in claim 2, characterized in that the frame material has an auxiliary piece portion formed thereon that protrudes away from the visible surface portion of the body side member with a gap from the groove bottom piece portion, and the push edge has an extension piece portion extending from the second groove side piece portion and having the folded locking piece portion protruding from the extended intermediate portion, and a connecting piece portion that connects the extension piece portion and the abutting piece portion in a state of abutting or closely facing the auxiliary piece portion. The invention of claim 4 is a partition as described in claim 3, characterized in that the second groove side piece is arranged on the side away from the fixed piece portion relative to the engaging portion which serves as a fulcrum, and the abutment piece is arranged on the side closer to the fixed piece portion. The invention of claim 5 is a partition as described in claim 1, characterized in that the main body side member is an upper rail material attached to the ceiling surface, the frame material to which the push edge is attached is an upper frame material attached to the upper rail material, and the abutment piece portion of the push edge is fixed with screws to the fixing piece portion provided on the upper frame material which is laminated and the leg piece portion provided on the upper rail material. [Effects of the Invention]

[0006] According to the invention of claim 1, the fitting groove into which the panel body is fitted as a partition is formed by a groove bottom piece and a first groove side piece formed in the frame material, and a second groove side piece formed in the push edge attached to the frame material, and a fixing piece for fixing the frame material to the visible surface of the body side member and a bent locking receiving piece formed by bending at the tip edge of the groove bottom piece are provided, and the push edge is formed with a bent locking piece that locks with the bent locking receiving piece and an abutting piece that abuts against the fixed piece, As a result of the configuration in which the push edge is attached to the frame material by fixing the abutting piece to the fixed piece with the folded locking piece engaged with the folded locking receiving piece, when the push edge receives a load from the panel body in a direction in which the second groove side piece moves away from the first groove side piece, the load acts as a load in the direction in which the abutting piece presses the fixed piece, with the locking portion of the folded locking piece relative to the folded locking receiving piece as a fulcrum, thereby maintaining the fixed state of the abutting piece relative to the fixed piece and stabilizing the fixed state of the push edge. By adopting the invention of claim 2, when the pushing edge receives a load from the panel body in a direction moving it away from the first groove side piece relative to the second groove side piece, the load acts as a load in the direction in which the abutting piece presses the fixed piece, with the locking portion of the folded locking piece relative to the folded locking receiving piece as a fulcrum. For example, if the abutting piece is fixed to the fixed piece by a screw, the load acts in the opposite direction to screw in the screw rather than in the direction in which it comes out, preventing the screw from becoming loose due to repeated loads in the direction in which it comes out. By adopting the invention of claim 3, an auxiliary piece portion is formed on the frame material, protruding in a direction away from the visible surface portion of the main body side member with a gap remaining from the groove bottom piece portion, and an extension piece portion is formed on the pushing edge, extending from the second groove side piece portion and having a bent locking piece portion protruding therefrom, and a connecting piece portion is formed in a state of abutting or closely facing the auxiliary piece portion, connecting the extension piece portion and the abutting piece portion.As a result, it is possible to reliably form an engagement groove portion for fitting and assembling the panel body, while also reliably configuring an engagement portion between the bent locking piece portion and the bent locking receiving piece portion, which serve as a fulcrum. By adopting the invention of claim 4, the second groove side piece is arranged on the side away from the fixed piece with respect to the engaging portion which serves as the fulcrum, and the abutting piece is arranged on the side closer to the fixed piece.As a result, when a load acts on the second groove side piece in the direction of causing the panel body to fall over, the abutting piece presses against the fixed piece, working in a manner based on the so-called lever principle, making the structure natural. By adopting the invention of claim 5, the frame material to which the push edge is attached becomes the upper frame material, and the abutment piece of the push edge is fixed with a screw to the part where the fixed piece of the upper frame material and the leg piece of the upper rail material attached to the ceiling surface are laminated.As a result, the load that would cause the panel body to fall can be borne not only by the upper frame material but also by the upper rail material, making it possible to prevent higher panel bodies from falling. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. [Figure 2] FIG. [Figure 3] FIG. [Figure 4] FIG. 10 is a vertical cross-sectional view of a partition in a single layer state. [Figure 5] An enlarged side view of the upper frame material portion. [Figure 6] An exploded side view of the upper frame material. [Figure 7] 10A and 10B are explanatory diagrams showing the direction of the load that the upper pushing edge receives when a load is applied to the panel body, with and without a locking portion that serves as a fulcrum. [Figure 8] (A)(B)(C) are a front view, a plan view, and a side view of the upper frame material. [Figure 9] (A)(B)(C) are front, plan and side views of the upper edge. DETAILED DESCRIPTION OF THE INVENTION

[0008] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a partition (partition panel). In this embodiment, the partition 1 is installed in an indoor space to separate a workroom (work space) R, such as a meeting room or an office. To prevent sounds (such as voices during a meeting) generated in the workroom R from leaking outside the workroom S, the partition 1 is described as having a configuration with excellent soundproofing (sound insulation) by incorporating a multi-layer (two-layer) panel body 2 (which may be an opaque plate, but can also be made of a transparent or translucent plate such as an acrylic plate or a glass plate) as shown in Fig. 2. However, if necessary, the partition can also be implemented as a single-layer structure with only one panel body 2 attached, as shown in Fig. 4. In this case, upper and lower fitting grooves 9 and 10, where the panel body 2 is not installed, are filled with blocking materials 21 and 22. Furthermore, the partition 1 in this embodiment is described as being flat and dividing the indoor space into front and back into the workroom R and the outside workroom S, but it goes without saying that it can also be implemented as an L-shaped or square-shaped partition, in which case the indoor space will be divided not only front and back but also left and right.As such, when the partition 1 divides the indoor space into left and right, the definition of "front and back" is defined as "front and back" when the panel body 2 that constitutes the partition 1 is viewed from the front. Incidentally, the partition 1 in this embodiment is configured so that adjacent panel bodies 2 on the left and right are connected via vertical frame material 20, but of course, if necessary, the panel bodies 2 may also be connected via a joint material such as double-sided adhesive tape.

[0009] In this embodiment, upper and lower frame members 5, 6 are attached to upper and lower rail members 3, 4, which are frame-side members provided on the ceiling surface H and floor surface F, respectively, and the upper and lower edge portions of the panel body 2 are fitted into opposing upper and lower fitting grooves 9, 10 formed by attaching upper and lower push edges 7, 8 to the upper and lower frame members 5, 6. The following describes in detail the configuration in which the upper edge portion of the panel body 2 is fitted into the upper fitting groove 9 using the upper push edge 7, but it goes without saying that the present invention is not limited to the above configuration, and the configuration in which the lower push edge 8 is attached to the lower frame member 6 can be implemented as a structure in which the configuration of this embodiment is made symmetrical from the top to the bottom.

[0010] The upper rail material 3 is U-shaped with an open bottom, and the spanning piece 3a which forms the visible surface is fixed to the ceiling surface H with a screw 3c, and the two leg pieces 3b which form the visible surface hang down from the ceiling surface H, while the upper frame material 5 is U-shaped with an open top and a lower spanning piece 5a and front and rear leg pieces 5b. The upper frame member 5 is fitted onto the upper rail member 3 with its spanning piece 5a disposed below the leg piece 3b of the upper rail member 3 and both leg piece 5b slidingly contacting or closely opposing the outer sides of both leg piece 3b of the upper rail member 3 in the front-to-rear direction. The upper frame member 5 is configured so that its position relative to the ceiling surface H can be adjusted by adjusting an adjuster bolt 11a provided on an adjuster (height adjustment device) 11 interposed between both spanning piece portions 3a, 5a.

[0011] The upper frame member 5 has a first groove side piece 9b (5c) formed on the front and rear sides of the spanning piece 5a, which forms the groove bottom piece 9a of the upper fitting groove 9. The first groove side piece 9b (5c) hangs down from a position further inward in the front and rear direction than the protruding positions of the leg pieces 5b of the spanning piece 5a and is located on the inside in the front and rear direction of the upper fitting groove 9. The tip edge (outer edge in the front and rear direction) of the groove bottom piece 9a is formed with a bent locking receiving piece 5f bent upward. The lower edges of the front and rear first groove side pieces 9b are connected to each other by a reinforcing piece 5d. Furthermore, auxiliary piece portions 5e are formed on both leg piece portions 5b of the upper frame material 5, protruding outward in the front-to-back direction with a gap in the vertical direction between them and the spanning piece portion 5a, and the portions of both leg piece portions 5b above the auxiliary piece portions 5e form fixed piece portions 5ba for fixing the upper push edge 7 to the upper frame material 5, as described below.

[0012] On the other hand, the main body piece 7a extending in the vertical direction of the upper pushing edge 7 is configured as a second groove side piece 9c facing the first groove side piece 9b of the upper fitting groove portion 9 outward in the front-to-back direction, and the second groove side piece 9c has an extension piece 7b formed thereon that extends upward beyond the groove bottom piece 9a portion, and a bent locking piece 7c that locks onto the bent locking receiving piece 5f is bent and formed at the vertical middle portion of the extension piece 7b. Furthermore, the upper push edge 7 is provided with a contact piece portion 7d that abuts against the fixed piece portion 5ba while being positioned above the auxiliary piece portion 5e of the upper frame material 5, and the contact piece portion 7d and the extension piece portion 7b form a connecting piece portion 7e in a state where they abut against or are closely opposed to the auxiliary piece portion 5e.

[0013] The upper pushing edge 7 is assembled in a state in which the folded locking piece portion 7c is engaged with the folded locking receiving piece portion 5f, and by assembling in this state, the second groove side piece portion 9c is positioned in a corresponding position in the upper fitting groove portion 9, the connecting piece portion 7e is positioned in a position in contact with or closely facing the upper surface of the auxiliary piece portion 5e, and the abutting piece portion 7d is configured to abut against the fixed piece portion 5ba. Furthermore, the upper push edge 7 configured in this manner is configured to be attached and fixed to the fixing piece portion 5ba of the upper frame material 5 and the leg piece portion 3b of the upper rail material 3 via a screw 7f screwed inward in the front-to-rear direction from the abutment piece portion 7d.

[0014] When the upper push edge 7 is attached and fixed, it is configured so that the second groove side piece 9c is located on the outer side in the front-to-back direction (the side away from the fixed piece 5ba) and the abutment piece 7d is located on the inner side in the front-to-back direction (the side close to the fixed piece 5ba) relative to the locking portion where the bent locking piece 7c locks into the bent locking receiving piece 5f, in an inconsistent state (opposite state). When a load acts on the panel body 2 fitted into the upper fitting groove 9 formed by attaching the upper push edge 7 in this manner, with the lower edge fitted into the lower fitting groove 10 as the fulcrum, causing the upper edge to fall toward the second groove side piece 9c (outside in the front-to-back direction), the upper push edge 7 acts as a fulcrum at the point where the folded locking piece 7c engages with the folded locking receiving piece 5f, causing the abutment piece 7d to press the fixed piece 5ba inward in the front-to-back direction, i.e., in the direction of screwing in the screw 7f.As a result, the screw 7f can be prevented from loosening, and rattling caused by the screw 7f being loosened can be avoided.

[0015] Moreover, in this case, the frame material to which the upper push edge 7 is attached is the upper frame material 5, and the abutment piece 7d of the upper push edge 7 is fixed not only to the fixed piece portion 5ba of the upper frame material 5, but also to the leg piece portion 3b of the upper rail material 3 which is laminated on the fixed piece portion 5ba via screws 7f.As a result, the upper push edge 7 is firmly attached, and the load that causes the upper end edge of the panel body 2 to collapse outward in the front-to-back direction is borne not only by the upper frame material 5 but also by the upper rail material 3 which is a body side member, resulting in a greater prevention effect of preventing the screws from loosening and causing rattling. In the figure, 23 denotes a cap material for the screw 7f, 24 denotes a receiving member for the screw 7f, 25 denotes a retaining material to be inserted between the second leg piece 9c and the panel body 2, and 26 denotes a bead material.

[0016] In the present embodiment configured as described above, the upper fitting groove 9 into which the panel body 2 is fitted as the partition 1 is configured in a square shape by the groove bottom piece 9a and the first groove side piece 9b formed on the upper frame member 5, and the second groove side piece 9c formed on the upper push edge 7. In this case, the upper frame member 5 is provided with a fixing piece 5ba for fixing to the leg piece 3b which is the visible surface of the upper rail member 3 which is the body side member, and the tip edge of the groove bottom piece 9a. The upper pushing edge 7 is formed with a bent locking receiving piece portion 5f, and the upper pushing edge 7 is formed with a bent locking piece portion 7c that locks onto the bent locking receiving piece portion 5f and an abutting piece portion 7d that abuts against the fixed piece portion 5ba.The upper pushing edge 7 is configured to be attached to the upper frame material 5 and the leg piece portion 3b of the upper rail material 3 by fixing the abutting piece portion 7d to the fixed piece portion 5ba via a screw 7f with the bent locking piece portion 7c locked onto the bent locking receiving piece 5f. As a result, when the upper pushing edge 7 receives a load in the direction that causes the upper edge of the panel body 2 to collapse outward and the second groove side piece 9c receives a load in the direction that causes it to move away from the first groove side piece 9b, the load acts as a fulcrum at the engagement portion of the bent engagement piece 7c with the bent engagement receiving piece 5f, causing the abutment piece 7d to press against the fixed piece 5ba, and the load acts in the direction that maintains the fixed state of the abutment piece 7d relative to the fixed piece 5ba, that is, in the direction that causes the screw 7f to be screwed in, thereby stabilizing the fixed state.

[0017] In this case, when the upper pushing edge 7 receives a load from the panel body 2 in the outward front-to-back direction, away from the first groove side piece 9b relative to the second groove side piece 9c, the load acts as a load in the direction in which the abutting piece 7d presses against the fixed piece 5ba, with the locking portion of the bent locking piece 7c relative to the bent locking receiving piece 5f as a fulcrum, and acts as a load in the opposite direction to the screw 7f that secures the abutting piece 7d to the fixed piece 5ba, rather than in the direction in which it comes out, thereby preventing the occurrence of problems such as the screw becoming loose due to repeated loads in the direction in which it comes out.

[0018] Moreover, in this structure, an auxiliary piece portion 5e is formed that protrudes in a direction away from the leg piece portion (visible surface portion) 3b of the upper rail material 3 with a gap remaining from the spanning piece portion 5a of the upper frame material 5, and the upper pushing edge 7 is formed with an extension piece portion 7b that extends from the second groove side piece portion 9c and has a folded locking piece portion 7c protruding from its tip, and a connecting piece portion 7e that connects the extension piece portion 7b and the abutting piece portion 7d while abutting or closely facing the auxiliary piece portion 5e.As a result, by attaching the upper pushing edge 7 to the upper frame material 5 to form the upper fitting groove portion 9 into which the panel body 2 is inserted, the upper fitting groove portion 9 can be reliably formed, while the locking portion between the folded locking piece portion 7c, which serves as the fulcrum portion, and the folded locking receiving piece portion 5f can be reliably configured. In this case, the second groove side piece 9c, which receives the load from the panel body 2, is arranged on the side away from the fixed piece 5ba relative to the engagement portion between the bent engagement piece 7c and the bent engagement receiving piece 5f, which serves as the fulcrum, and the abutment piece 7d, which presses against the fixed piece 5ba, is arranged on the opposite side in the fore-and-aft direction, close to the fixed piece 5ba.As a result, when a load acts on the second groove side piece 9c in a direction that causes the panel body 2 to fall outward in the fore-and-aft direction, the action of the abutment piece 7d pressing against the fixed piece 5ba works in a state based on the so-called lever principle, making the structure natural. [Industrial Applicability]

[0019] The present invention can be used as a partition for dividing an indoor space. [Explanation of symbols]

[0020] 1. Partition 2-panel body 3 Upper rail material 4 Lower rail material 5 Upper frame material 5a straddle part 5b Leg piece 5ba fixed piece 5c First groove side piece 5d Reinforcement piece 5f Bent locking piece 7 Upper push edge 7a body part 7b Extension piece 7c folded stop piece 7d When the splice 7e connecting piece 7f ビス 9 Upper fitting groove 9a Groove bottom film 9b First groove side piece 9c Second groove side piece

Claims

1. A partition that separates an interior space into front and rear sections, the partition comprising: a frame member attached to a body side member and having a groove bottom piece and a first groove side piece formed on the inside in the front-to-rear direction; a push edge attached to the frame member and having a second groove side piece formed on the outside in the front-to-rear direction to form a triangle-shaped fitting groove together with the groove bottom piece and the first groove side piece; and a panel body whose edge is fitted into and assembled into the fitting groove, The frame member is provided with a fixing piece portion for fixing to the visible surface portion of the frame side member, and a bent locking receiving piece portion formed by bending at the tip edge portion of the groove bottom piece portion, The pressing edge is formed with a bent locking piece portion that is locked to the bent locking receiving piece portion and a contact piece portion that is in contact with the fixing piece portion, A partition characterized in that the push edge is attached to the frame material by fixing the abutment piece to the fixing piece with the folded locking piece engaged with the folded locking receiving piece.

2. The pushing edge is configured as described in claim 1, characterized in that when a load acts on the second groove side piece from the panel body inserted into the fitting groove in a direction away from the first groove side piece, the load acts as a load in a direction in which the abutting piece presses the fixed piece, with the engaging portion of the folded engaging piece relative to the folded engaging receiving piece as a fulcrum.

3. The frame member is formed with an auxiliary piece portion that protrudes in a direction away from the bottom surface of the frame member with a gap therebetween, A partition as described in claim 2, characterized in that the pushing edge is formed with an extension piece portion extending from the second groove side piece portion and having the folded locking piece portion protruding from the extended intermediate portion, and a connecting piece portion connecting the extension piece portion and the abutting piece portion in a state of abutting or closely facing the auxiliary piece portion.

4. A partition as described in claim 3, characterized in that the second groove side piece is arranged on the side away from the fixed piece portion relative to the engaging portion which serves as a fulcrum, and the abutment piece is arranged on the side closer to the fixed piece portion.

5. A partition as described in claim 1, characterized in that the main body side member is an upper rail material attached to the ceiling surface, the frame material to which the push edge is attached is an upper frame material attached to the upper rail material, and the abutment piece portion of the push edge is fixed with screws to a fixing piece portion provided on the upper frame material which is laminated and to a leg piece portion provided on the upper rail material.

Citation Information

Patent Citations

  • JP1986021687A