Lightweight Steel Ceiling Structure with Enhanced Stability

Abstract

The present invention relates to a lightweight steel frame ceiling finishing system with improved fixing stability. The lightweight steel frame ceiling finishing system with improved fixing stability according to the present invention for this purpose comprises: a plurality of hangers distributed and installed on the ceiling so as to extend downward from the ceiling; a plurality of hangers installed to have a closed-loop cross-section located below the hangers; a plurality of structural bars distributed and installed to be supported by the hangers at different positions, extending in a position mounted on the plurality of hangers; a plurality of finishing bars fixedly installed below the structural bars so as to be orthogonal to the structural bars; and a ceiling finishing material mounted by the finishing bars to form an equipment space, wherein the hanger comprises a support body on which the structural bar is mounted, wherein a vertical extension piece is bent downward on one side of an upper fixing piece on which the hanger is mounted, a horizontal support piece is bent and formed at the lower end of the vertical extension piece so as to face the upper fixing piece while spaced apart from it, a vertical fastening piece having a fastening hole formed on the other side of the horizontal support piece so as to face the vertical extension piece while spaced apart from it, and a fastening piece protruding sideways from the upper fixing piece to be fastened to the fastening hole of the connecting body, and the structure bar is mounted thereon It is characterized by including a coupling body having a vertical coupling piece having a coupling hole formed therein, wherein a portion of the vertical coupling piece is cut and bent inward so as to have a coupling projection formed protrudingly to be coupled to a coupling hole of a support body. Thus, the hanger is formed in a closed-loop shape, so that it can stably maintain a connected state to the structural bar without deformation even when a worker is working on the upper part of the structural bar, and furthermore, the structural bar can be formed in an inclined shape.

Description

Technology Field

[0001] The present invention relates to a lightweight steel ceiling finishing system with improved fixing stability, and more specifically, to a lightweight steel ceiling finishing system with improved fixing stability that can ensure durability by improving the fixing force of structural bars, can stably maintain the fixing force of the ceiling finishing system even when vibration or impact is applied or some torsional load is generated, and enables smooth construction even when the ceiling is sloped. Background Technology

[0002] Generally, since various electrical wires and pipes are located in the ceilings of indoor spaces formed in buildings such as offices, commercial buildings, and mixed-use complexes, ceiling finishing systems utilizing lightweight steel frames are used to prevent these wires and pipes from being exposed and to achieve an aesthetically pleasing ceiling finish.

[0003] This ceiling finishing method, which combines lightweight steel frames, is widely used in buildings because it allows for the free selection of finishing materials such as gypsum board, rock wool sound-absorbing panels, and aluminum, while ensuring sufficient space for the installation of electrical wires and piping and enabling stable fixing of the ceiling frame.

[0004] As a prior art document related to a ceiling finishing system using the above-mentioned lightweight steel frame, Korean Registered Patent No. 10-2417569 (registered on July 1, 2022, hereinafter referred to as 'Prior Art Document 1') has been proposed. In the structure for installing sound-absorbing panels for ceiling walls according to Prior Art Document 1, as shown in FIG. 1, a hanger (2) is installed at the bottom of a hanger bolt (1), and a carrying channel (3) is supported in a horizontal position by the hanger (2). A T-shaped channel (4) is installed at the bottom of the carrying channel (3) to intersect with the carrying channel (3) and to support the sound-absorbing panel (5).

[0005] The sound-absorbing panel installation structure for ceiling walls of Prior Art Document 1 is designed to effectively prevent the detachment or displacement of panels caused by earthquakes, etc., through an easy and simple physical fixing structure between the channel and the panel.

[0006] However, since the hanger (2) of the above prior art document 1 has an open structure, when a worker steps on the carrying channel (3) to perform maintenance work on wires, pipes, or other equipment installed between the ceiling and the sound-absorbing panel (5), the hanger (2) is deformed into an unfolded shape and the carrying channel (3) can be separated from the hanger (2), so it was practically impossible for the worker to work on the ceiling.

[0007] In order to solve the problems of Prior Art Document 1, Korean Registered Patent No. 10-2470244 (registered on November 18, 2022, hereinafter referred to as 'Prior Art Document 2') has been proposed. The mounting means of the ceiling lightweight steel frame structure main carrier according to prior art document 2 comprises, as shown in FIG. 2, an upper horizontal part (6) mounted on a load hanger, a main standing part (7) with its upper end integrally connected to one end of the upper horizontal part (6), a lower horizontal part (8) with its lower end integrally connected to the lower end of the main standing part (7) and extending parallel to the upper horizontal part (6), and a main carrier anti-detachment clamp (9) with its lower end integrally connected to the other end of the lower horizontal part (8) and its other end extended toward the other end of the upper horizontal part (6) so that its lower surface is in surface contact with the upper surface of the upper horizontal part (6) and is extended toward the main standing part (7) and is male-female connected to the upper horizontal part (6).

[0008] The mounting means for the main carrier of the ceiling lightweight steel frame structure of prior art document 2 is formed integrally by bending the body multiple times, and the main carrier (MC) is inserted with the end of the main carrier anti-detachment clamp (9) open, and then the main carrier anti-detachment clamp (9) is closed again to be coupled to the upper horizontal part (6) of the body, thereby making construction easy and eliminating the need for bolt or pin coupling work, so that construction efficiency can be increased.

[0009] However, the mounting means of the main carrier in the aforementioned prior art document 2 had a complex shape, so the process of pressing and bending a single metal piece was extensive, which required a lot of time to produce the mold, and the cost of building equipment to implement such a continuous process was excessive. Furthermore, as the defect rate increased due to the complexity of the process, efficient production was difficult, and additional manpower was required to review it.

[0010] In addition, there was a problem in that after the main carrier (MC) was inserted into the upper part of the lower horizontal section (8), if the phase became twisted or tilted due to external factors such as impact, vibration, or aging, the fixing force for the main carrier (MC) decreased, thereby increasing the risk of a falling accident.

[0011] In addition, even when attempting to construct a ceiling frame in an inclined manner to form a three-dimensional space, in the case of prior art document 2, the main carrier (MC) interferes with the width of the lower horizontal part (8), making it difficult to form an incline, and the upper part of the incline and the lower horizontal part (8) are separated, reducing the fixing force. Furthermore, even when attempting to utilize functional components used for ceiling installations, wall joints, and two-stage ceiling configurations, the fixing force for the functional components is not stably secured, which limits the ability to construct an inclined ceiling. Prior art literature

[0012] Korean Registered Patent No. 10-2417569 (Registered July 1, 2022) Korean Registered Patent No. 10-2470244 (Registered November 18, 2022) The problem to be solved

[0013] The present invention has been devised to solve the aforementioned problems and provides a lightweight steel ceiling finishing system with improved fixing stability, wherein the hanger is assembled in a closed-loop form to structurally and stably fix the structural bar, thereby ensuring structural stability even when vibration, shock, or torsional load occurs; the manufacturing process for mass-producing the hanger is simplified to reduce production costs; deformation and defects during storage and transportation can be prevented; functional components for installing sprinklers, lighting, and air conditioning facilities on the upper part of the ceiling frame are easily attached; construction is simple and the risk of component loss is low as separate connecting components such as clips are not required; and an inclined surface can be stably formed on the ceiling by pressurizing and fixing the structural bar while it is positioned at an angle. means of solving the problem

[0014] To solve the above problem, the lightweight steel frame ceiling finishing system with improved fixing stability according to the present invention comprises: a plurality of hangers (10) distributed and installed on the ceiling so as to extend downward from the ceiling; a plurality of hangers (20) installed to have a closed-loop cross section located below the hangers (10); a plurality of structural bars (30) distributed and installed to extend in a position mounted on the plurality of hangers (20) and supported by the hangers (20) at different positions; and a plurality of finishing bars (40) fixedly installed below the structural bars (30) so as to be orthogonal to the structural bars (30). A ceiling finishing material (50) that forms an equipment space by being mounted by the above finishing bar (40); wherein the hanger (20) comprises a support body (210) on which the structural bar (30) is mounted, wherein a vertical extension piece (212) is formed by bending downward on one side of an upper fixing piece (211) on which the above hanging bar (10) is mounted, a horizontal support piece (213) is formed by bending downward at the lower end of the vertical extension piece (212) so as to face the upper fixing piece (211) in a spaced-apart state, a vertical fastening piece (214) is formed by bending upward on the other side of the horizontal support piece (213) so as to face the vertical extension piece (212) in a spaced-apart state, and a fastening piece (215) is formed protruding to the side of the upper fixing piece (211) so as to be fastened to the fastening hole (222a) of the connecting body (220); The device is characterized by including a connecting body (220) having a vertical connecting piece (222) with a connecting hole (222a) formed to face the vertical connecting piece (214), and a connecting projection (223) formed protrudingly so that a part of the vertical connecting piece (222) is cut and bent inward to be connected to the connecting hole (214a) of the supporting body (210).

[0015] In addition, the fastening hole (214a) formed in the vertical fastening piece (214) is formed in a rectangular structure having long and short sides, and the fastening projection (223) is characterized by having a structural bar contact portion (223a) protruding downward to contact and pressurize the structural bar (30).

[0016] As another embodiment of a ceiling finishing system constructed to finish the ceiling of a building according to the present invention, a plurality of hangers (10) distributed and installed on the ceiling so as to extend downward from the ceiling; a plurality of hangers (20) installed to have a closed-loop cross section located below the hangers (10); a plurality of structural bars (30) distributed and installed to extend in a position mounted on the plurality of hangers (20) and supported by the hangers (20) at different positions; and a plurality of finishing bars (40) fixedly installed below the structural bars (30) so as to be orthogonal to the structural bars (30). A ceiling finishing material (50) that forms an equipment space by being mounted by the above finishing bar (40); wherein the hanger (20) has a vertical extension piece (212) formed by bending downward on one side of an upper fixing piece (211) on which the above hanging rod (10) is mounted, a horizontal support piece (213) formed by bending at the lower end of the vertical extension piece (212) so as to face the upper fixing piece (211) in a spaced-apart state, a vertical fastening piece (214) formed by bending upward on the other side of the horizontal support piece (213) so as to face the vertical extension piece (212) in a spaced-apart state, an assembly piece (216) formed by extending upward on the vertical fastening piece (214), and a fastening piece (215) formed protruding to the side of the upper fixing piece (211) so as to be fastened to the fastening hole (222a) of the coupling body (220), and the above The structure is characterized by comprising: a support body (210) on which a structural bar (30) is mounted; and a coupling body (220) having a vertical coupling piece (222) with a binding hole (222a) formed to face the vertical coupling piece (214), an extension piece (225) formed by being bent downward and extended from the vertical coupling piece (222), and an assembly hole (226) formed by cutting the vertical coupling piece (222) and the extension piece (225) so that the assembly piece (216) is inserted.

[0017] In addition, the horizontal support piece (213) of the support body (210) is characterized by being formed narrower than the width of the vertical extension piece (212) and the vertical fastening piece (214).

[0018] And, as a functional component coupled to the structural bar (30), a cross socket (CS) for installing a reinforcing bar (SB) perpendicular to the structural bar (30) on the side of the structural bar (30) when reinforcing an inspection opening or an installation; an end socket (ES) for fastening to the end of the structural bar (30) facing the wall surface to fix the ceiling frame to the wall surface; a wind pressure-resistant socket (WS) for fixing a reinforcing bar (SB) perpendicular to the top of the structural bar (30) to reinforce the cross-shaped durability of the ceiling frame; and a hanger socket (BS) installed to form a two-stage ceiling frame by protruding a hanger (10) downward from the ceiling frame; are provided. Effects of the invention

[0019] A lightweight steel frame ceiling finishing system with improved fixing stability according to one embodiment of the present invention has the advantage of being structurally stable even when vibration, shock, or torsional load occurs, as the hanger connecting the hanger and the structural bar is assembled in a closed-loop form to structurally stabilize the structural bar.

[0020] Rapid construction is possible simply by inserting the fastening protrusion into the fastening hole without the need for separate connecting pins or wires, and it is effective in preventing loss of components by reducing the number of components.

[0021] In addition, the fastening projection of the coupling body rotates 90˚ after being inserted into the fastening hole of the support body, thereby ensuring that it does not disassemble even after coupling and has the effect of not separating due to normal shock and vibration through a stable coupling.

[0022] In particular, the present invention is divided into two members, a support body and a coupling body, which reduces processes such as pressing, cutting, and slicing during mass production, thereby reducing construction costs and reducing the risk of deformation and damage when transporting a large number of hangers.

[0023] Furthermore, the present invention has the effect of enabling safe work without the hanger being deformed by its own weight, even when a worker works directly on the upper part of the ceiling, by connecting the upper part of the hanger by inserting a connecting piece into the connecting hole and connecting it in a double upper and lower manner by inserting a connecting projection into the connecting hole, thereby ensuring a more secure connection.

[0024] In addition, the fastening projection protruding inwardly from the vertical connecting piece of the hanger contacts the upper surface of the structural bar connected through the hanger, thereby allowing the structural bar to move integrally with the hanger, and thus preventing the connection structure between the hanger and the structural bar from becoming weak due to relative movement of the structural bar.

[0025] In addition, the present invention improves space utilization and design flexibility by allowing the structural bar to be installed horizontally and at an angle on a hanger, as it is pressed and fixed by the contact portion of the structural bar.

[0026] In addition, since the first and second anti-loosening pieces tightly secure the nut fixed to the hanger in both the upper and lower directions to prevent loosening, it prevents the hanger from separating due to vibration or impact, thereby creating a structurally more stable ceiling finishing system.

[0027] In addition, even when functional components such as cross sockets, end sockets, wind pressure-resistant sockets, and hanger sockets are installed on the structural bar, they are firmly fixed by the hanger, which has the effect of improving stability. Brief explanation of the drawing

[0028] FIG. 1 is a perspective view illustrating a conventional ceiling finishing structure according to prior art document 1. FIG. 2 is a perspective view and a view of the usage state illustrating the structure of a conventional integrated hanger according to prior art document 2. FIG. 3 is a perspective view illustrating the overall structure of a lightweight steel frame ceiling finishing system with improved fixing stability according to the present invention. FIG. 4 is a perspective view illustrating the coupling structure of a hanger according to the first embodiment of the present invention. FIG. 5 is a flowchart illustrating the assembly process of a hanger according to the first embodiment of the present invention. FIG. 6 is a diagram showing the usage state in which a structural bar is inserted into a hanger according to the first embodiment of the present invention. FIG. 7 is a cross-sectional view of the usage state showing a structural bar inserted into a hanger according to the first embodiment of the present invention. FIG. 8 is a perspective view illustrating the coupling structure of a hanger according to a second embodiment of the present invention. FIG. 9 is a flowchart illustrating the assembly process of another hanger in the second embodiment of the present invention. FIG. 10 is a diagram showing the usage state in which a structural bar is inserted into a hanger according to a second embodiment of the present invention. FIG. 11 is a perspective view illustrating the coupling structure of a hanger according to a third embodiment of the present invention. FIG. 12 is a flowchart illustrating the assembly process of a hanger according to a third embodiment of the present invention. FIG. 13 is a usage state diagram illustrating a usage state in which a structural bar is inserted into a hanger according to a third embodiment of the present invention. FIGS. 14a and FIGS. 14b are cross-sectional views illustrating a cross-section in which a structural bar is inserted into a hanger according to a third embodiment of the present invention. FIG. 15 is a perspective view illustrating the overall shape of each functional component. FIG. 16 is a usage diagram illustrating a state in which a functional component is attached to the structural bar of the present invention. Specific details for implementing the invention

[0029] In the following, preferred embodiments of the present invention will be described in detail based on the details illustrated in the drawings; however, specific descriptions of related known functions or configurations are omitted if it is determined that such descriptions may unnecessarily obscure the essence of the present invention.

[0030] The present invention relates to a ceiling frame formed in a building and a finishing system thereof, wherein even when the ceiling is to be constructed at an angle, the fixing force of the structural bar can be improved to ensure durability, and stable fixing force can be ensured even when vibration or impact is applied or when torsional load is generated in a part of the ceiling finishing system.

[0031] As illustrated in FIG. 3, a lightweight steel ceiling finishing system with improved fixing stability according to one embodiment of the present invention comprises a hanger (10), a hanger (20), a structural bar (30), a finishing bar (40), and a finishing material (50), wherein the hanger (10), the hanger (20), the structural bar (30), and the finishing bar (40) are combined with each other to form a lightweight steel ceiling finishing that supports the finishing material (50) spaced apart from the ceiling of the building.

[0032] The above-mentioned hanger (10) is made of a threaded bolt or a hanger bolt, and its upper end is fixed to an anchor or insert installed on the ceiling so as to extend downward from the ceiling, and a plurality of hangers (10) are distributed and installed on the ceiling.

[0033] The above hanger (20) is installed at the lower end of the hanger (10) to support the structural bar (30), and is installed at the lower end of each hanger (10). This hanger (20) is composed of a support body (210) and a connecting body (220).

[0034] As shown in FIG. 4, the support body (210) has a vertical extension piece (212) formed by bending downward on one side of the upper fixing piece (211) on which the hanger (10) is mounted, a horizontal support piece (213) formed by bending downward on the lower end of the vertical extension piece (212) so as to face the upper fixing piece (211) while spaced apart, a vertical fastening piece (214) formed by bending upward on the other side of the horizontal support piece (213) so as to face the vertical extension piece (212) while spaced apart, and a fastening piece (215) formed protruding to the side of the upper fixing piece (211) so as to be fastened to the fastening hole (222a) of the coupling body (220) so as to mount the structural bar (30).

[0035] A through hole (211a) is formed in the upper fixing piece (211) through which the hanger (10) passes and is connected, and it is preferable that a nut for fixing the hanger (10) to the hanger (20) be fastened to the hanger (10) so that it is positioned above and below the through hole (211a). As a result, a vertical extension piece (212) formed extending from one end of the upper fixing piece (211) is fixed by the hanger (10), and has strong tensile resistance in the vertical direction, so that the weight of the structural bar (30), the finishing bar (40), and the finishing material (50) can be supported.

[0036] A horizontal support piece (213) formed by bending at the lower part of the vertical extension piece (212) has a flat shape to accommodate the structural bar (30) and can be formed by bending from the vertical extension piece (212).

[0037] Meanwhile, in the case where a slanted ceiling is to be formed according to the embodiment, the horizontal support member (213) is formed to be narrower than the width of the vertical extension member (212) and the vertical fastening member (214), so that the structural bar (30) can be arranged at an angle.

[0038] More specifically, the horizontal support piece (213) is intended to support the bottom surface of the structural bar (30), and when the structural bar (30) is to be positioned at an angle, the horizontal support piece (213) can be placed using the widthwise end as a support point. At this time, if the width in the widthwise direction is formed at the same level as the vertical extension piece (212) and the vertical fastening piece (214), the support point and the center point of the hanger (20) are separated, making it vulnerable to shaking and reducing stability, resulting in a structurally unstable problem.

[0039] Accordingly, if the width of the horizontal support member (213) is formed to be narrower than the width of the vertical extension member (212) and the vertical fastening member (214), the end has a vertical axis identical to the center point of the hanger (20), so the structural bar (30) that forms an incline with the end of the horizontal support member (213) as a support point can be stably mounted, thereby improving the durability and safety of the ceiling finishing system.

[0040] In addition, even if the horizontal support member (213) is formed to be narrower than the width of the vertical extension member (212) and the vertical fastening member (214), it can achieve an equivalent mounting effect when supporting the structural bar (30) horizontally, so that the horizontal or inclined arrangement of the structural bar (30) can be widely utilized, thereby improving design flexibility.

[0041] Next, the vertical fastening piece (214) is formed by bending it at the other end of the horizontal support piece (213) so as to face the vertical extension piece (212), but preferably does not come into contact with the upper fixing piece (211). As a result, the space between the upper fixing piece (211) and the vertical fastening piece (214) is open so that the structural bar (30) can be inserted, and the three sides of the structural bar (30) are formed to come into contact with the inside of the support body (210), so that it can be stably mounted without falling off to one side.

[0042] Additionally, a fastening hole (214a) is formed at a certain distance from the end of the vertical fastening piece (214). It is preferable that the fastening hole (214a) be formed in a rectangular structure having long and short sides so that it can be fixed after the fastening projection (223) is inserted.

[0043] Meanwhile, the connecting piece (215) is formed protruding from the side of the upper fixing piece (211) and acts as a pin for connecting the connecting body (220) to the side of the support body (210). Since the connecting piece (215), which is integrally formed in the support body (210), is inserted toward the connecting hole (222a) formed in the connecting body (220), there is no need to connect using a separate connecting pin or wire, thereby saving connecting materials and enabling rapid construction and preventing loss of materials.

[0044] At this time, the binding piece (215) may have various shapes according to the embodiment, and for example, it may be formed as a trapezoid that extends outward and can be stably connected without being separated by twisting deformation into the binding hole (222a) and inserted.

[0045] The support body (210), which is configured to include an upper fixing piece (211), a vertical extension piece (212), a horizontal support piece (213), and a vertical fastening piece (214), has a shape that is open at the top of the vertical fastening piece (214), so that a structural bar (30) can be easily inserted and supported, and depending on the embodiment, it can be installed at an angle.

[0046] In addition, the above-mentioned support body (210) has a relatively simple manufacturing process of pressing and bending a metal plate, making it easy to mass-produce, and has high structural completeness so that twisting deformation does not occur even when a large amount is carried in a bag and transported, which reduces the defect rate and reduces manufacturing time, thus providing economic advantages.

[0047] Next, the coupling body (220) is formed to face the upper fixing piece (211) in a spaced-apart manner to prevent the nut fastened to the hanger (10) from loosening, and a vertical coupling piece (222) with a binding hole (222a) formed on one side of the upper coupling piece (221) is formed by bending downward, and a part of the vertical coupling piece (222) is cut and bent inward so that a fastening projection (223) is formed protrudingly so as to be fastened to the fastening hole (214a) of the support body (210).

[0048] Additionally, the vertical connecting piece (222) may include a lower anti-loosening piece (224) that supports a nut fixed to the hanger (10) from below below the connecting hole (222a).

[0049] Meanwhile, the nut that is fastened vertically to the upper fixing piece (211) is prevented from coming off upward by the upper anti-loosening piece (221) included in the coupling body (220), and is prevented from coming off downward by the lower anti-loosening piece (224) which is formed by cutting a part of the vertical coupling piece (222) and bending it inward toward the hanger (20), so that the nut does not come off even under vibration and impact, thereby allowing for the construction of a more stable ceiling frame finishing system.

[0050] At this time, it is preferable that an arc-shaped groove (221a) having a radius greater than the radius of the rod (10) is formed at one end of the upper anti-loosening piece (221) which prevents the upper nut from loosening, in order to avoid interference with the rod (10).

[0051] The upper anti-loosening piece (221) and the lower anti-loosening piece (224) may be formed to adhere to the lower edge of the nut at an angle to more stably prevent the nut from loosening.

[0052] More specifically, the lower anti-loosening piece (224) according to one embodiment of the present invention may be formed by cutting a portion of the vertical connecting piece (222) below the binding hole (222a) into a U-shape and bending it inwardly toward the hanger (20), as shown in FIG. 4. Additionally, although not illustrated, the bent shape may be bent into various shapes other than a U-shape, for example, it may be formed to be inclined downward, or a portion of the upper section of the vertical connecting piece (222) may be bent to protrude inwardly in a triangular shape to include an inclined surface.

[0053] Since the upper anti-loosening piece (221) and the lower anti-loosening piece (224) are in close contact with the lower corner of the nut only when the coupling body (220) is coupled to the support body (210), when maintenance work such as replacing the hanger (20) is required, the upper anti-loosening piece (221) and the lower anti-loosening piece (224) are separated from the nut when the coupling body is separated, so that the nut can be loosened, thereby preventing detachment due to vibration and shock, and at the same time, maintenance by the worker is possible, so the convenience of disassembly or replacement work is improved.

[0054] The vertical connecting piece (222), formed by bending the end of the upper anti-loosening piece (221), is intended to close the open area between the vertical connecting piece (214) and the upper fixing piece (211) of the support body (210). More specifically, if the support body (210) is maintained in a simple open structure, not only the load of the ceiling but also the weight is concentrated on the vertical extension piece (212) due to the eccentric structure when a worker climbs onto the ceiling frame for maintenance work on surrounding facilities, causing the hanger (20) to deform into an open shape and the structural bar (30) to be separated from the hanger (20) and detach.

[0055] Accordingly, the above-mentioned hanger (20) has a closed-loop shape, and a connecting body (220) is connected in which a vertical connecting piece (222) is formed on the upper side of the vertical fastening piece (214) and on the side of the upper fixing piece (211) to ensure durability by evenly distributing the load to both sides.

[0056] To this end, the vertical connecting piece (222) has a connecting hole (222a) formed at a position corresponding to the connecting piece (215) and is connected to the upper part of the support body (210), and a connecting projection (223) is formed by cutting a part of the vertical connecting piece (222) and bending it inward toward the hanger (20) and is inserted into the connecting hole (214a) so as to be connected to the lower part of the support body (210).

[0057] At this time, the fastening projection (223) contacts the structural bar (30) and presses to form a contact portion (223a) that fixes the structural bar (30). The contact portion (223a) may protrude downward from the fastening projection (223), or it may be bent downward after protruding sideways. In this case, downward is the vertical direction in which the hanger (10) faces to press the structural bar (30) after the support body (210) and the coupling body (220) are fastened.

[0058] With reference to FIG. 5, the process of connecting the support body (210) and the connecting body (220) by the above-mentioned connecting projection (223) is explained as follows: (a) As shown in step (a), the connecting body (220) is rotated 90˚ and inserted in a position where the protruding direction of the structural bar contact part (223a) is parallel to the long side of the connecting hole (214a). Then, as shown in step (b), the support body (210) and the connecting body (220) are rotated again in the opposite direction so that the protruding direction of the structural bar contact part (223a) is parallel to the short side, while being horizontal to each other. Next, step (c) is a step of inserting the connecting piece (215) into the connecting hole (222a), and thereafter, the hanger (20) is assembled to have a closed-loop cross-section.

[0059] Thus, the connecting body (220) is simultaneously fastened to the upper and lower ends of the open structure of the support body (210), and since the upper and lower ends of the connecting body (220) are firmly connected, the hanger (20) has a square closed-loop shape, so that the structural bar (30) can be stably fixed against vibration or shock, and even when a twisting load occurs, the load is stably distributed so that the structural bar (30) can be safely mounted and the ceiling frame can be supported.

[0060] In particular, the ceiling frame installed using the above-mentioned hanger (20) can be fixed without shaking after the structural bar (30) is inserted into the interior of the hanger (20) as shown in FIGS. 6 and 7, and the structural bar contact portion (223a) of the fastening projection (223) presses the structural bar (30) from above.

[0061] In addition, according to the embodiment, when the structural bar (30) is installed at an angle and a height difference is formed at both ends of the structural bar (30), there is a problem that the structural bar (30) falls off in the case of a general hanger. However, the structural bar contact part (223a) according to the present invention flexibly adjusts the degree of pressure of the structural bar contact part (223a) according to the angle of inclination of the structural bar (30), so that the structural bar contact part (223a) is in close contact with the structural bar (30) and the fixing force is improved, so that the fixing stability is improved even when the structural bar (30) is installed at an angle.

[0062] Accordingly, the connection between the hanger (20) and the structural bar (30) is improved not only when the structural bar (30) is installed horizontally but also when it is installed at an angle, making it stable, and the load is distributed even when a worker is working on the upper part of the ceiling for wiring work, etc., thereby forming a safe ceiling frame.

[0063] In addition, by dividing into two members, the support body (210) and the connecting body (220), the number of processes such as pressing, cutting, and slicing is reduced during mass production, thereby reducing construction costs, and the risk of deformation and damage is reduced even when transporting a large number of hangers.

[0064] Next, as a second embodiment of the present invention, as shown in FIG. 8, the fastening projection (223) may be further extended and formed to penetrate the vertical extension piece (212), and in this case, it is preferable to additionally form a fastening hole (212a) in the vertical extension piece (212) so that the fastening projection (223) can penetrate it.

[0065] In addition, in the case of the second embodiment, since the fastening projection (223) is penetrated, a head portion (223b) is formed at the end of the fastening projection (223), and after penetrating the outer surface of the vertical extension piece (212), it is caught on the outer surface of the fastening hole (212a) by the fastening process, thereby preventing separation and detachment, so that the fixing force can be improved.

[0066] In addition, it is preferable that the long and short side directions of the fastening holes (214a, 212a) for inserting the head portion (223b) are formed to be perpendicular to the long and short side directions of the head portion (223b).

[0067] In addition, the structural bar contact portion (223a) according to the second embodiment is formed on the side of the fastening projection (223), and the structural bar (30) can be fixed by pressing it down by bending the structural bar contact portion (223a) downward after inserting the structural bar (30).

[0068] Referring to FIG. 9, the coupling structure and method of the second embodiment are described as follows: (a) As shown in step (a), the coupling body (220) is rotated 90˚ and inserted in a position where the width direction of the head part (223b) is parallel to the long side of the fastening hole (212a, 214a). Then, as shown in step (b), the support body (210) and the coupling body (220) are horizontal to each other and rotated in the opposite direction so that the direction of the head part (223b) is parallel to the short side of the fastening hole (212a, 214a). Then, step (c) is a step of inserting the binding piece (215) into the binding hole (222a), after which the hanger (20) is assembled to have a closed-loop cross-section, and as shown in FIG. 10, the structural bar (30) can be inserted and the structural bar contact part (223a) can be bent downward to fix it.

[0069] Next, as a third embodiment according to the present invention, as shown in FIG. 11, an assembly piece (216) is formed extending upward from the vertical fastening piece (214) of the support body (210), and an extension piece (225) is formed extending downward from the vertical coupling piece (222) of the coupling body (220), and an assembly hole (226) may be formed by cutting the lower end of the vertical coupling piece (222) so that the assembly piece (216) can be inserted.

[0070] At this time, the assembly piece (216) may be formed such that the upper and lower parts have different widths, like a T. More specifically, the upper part of the assembly piece (216) is formed wider than the width of the assembly hole (226) so that it can be fixed to both inner sides of the assembly hole (226) after assembly, and the lower part of the assembly piece (216) is formed narrower than the width of the assembly hole (226) so that it can be inserted into the assembly hole (226) and fitted to support the assembly body (220).

[0071] Referring to FIG. 12, the coupling structure and method of the third embodiment are described as follows: (a) As shown in step (a), the assembly hole (226) is inserted in a state where it faces the assembly piece (216) and the long sides are aligned parallel to each other. Then, as shown in step (b), the coupling body (220) is rotated and erected so that the binding hole (222a) faces the binding piece (215). Then, step (c) is a step of inserting the binding piece (215) into the binding hole (222a). Subsequently, the hanger (20) is secured by inserting the assembly piece (216), which has a width greater than that of the assembly hole (226), into the inside of the assembly hole (226) and fixing it, thereby ensuring stable fixing force, preventing detachment, and distributing the load of the ceiling.

[0072] In addition, the extension piece (225) is extended so as to be inclined downward, and after the connecting body (220) is vertically connected, it can naturally press the structural bar (30) as shown in FIGS. 13 to 14a, thereby improving fixation.

[0073] In addition, the extension piece (225) may be formed in such a way that, as shown in FIG. 14b, when it is formed vertically with respect to the vertical connecting piece (222), a portion is cut and bent downwards to press against the structural bar (30).

[0074] Thus, the structural bar (30) of the ceiling finishing system, which is constructed to finish the ceiling of a building, is stably fixed by the structural bar contact portion (223a) or extension piece (225) of the fastening projection (223) regardless of horizontal or inclined position, and thus the functional member coupled to the structural bar (30) can also be additionally fixed, thereby providing the effect of providing a structurally reliable high ceiling finishing system.

[0075] At this time, the functional member may include a cross socket (CS), an end socket, a wind-resistant socket (WS), and a bolt socket (BS), as shown in FIG. 15 (a) to (d).

[0076] The above functional members may be provided in multiple locations on the inner, outer, end, and central sides of the structural bar (30) according to the design intent, and the state in which they are combined with the structural bar (30) to form a ceiling finishing system is illustrated in FIG. 16.

[0077] For example, the cross socket (CS) may have a shape as shown in (a) of FIG. 15, and a reinforcing bar (SuB Beam, SB) may be inserted into the side of the structural bar (30) to further distribute the load when installing lighting, piping, and air conditioning equipment in the middle section of the structural bar (30), thereby ensuring that there is no difference in phase. As a result of the cross socket (CS), the structural bar (30) and the reinforcing bar (SB) intersect at the same height, thereby increasing the load that the ceiling frame can support. At this time, the reinforcing bar (SB) may be made of lightweight steel materials that can be used in lightweight steel ceiling finishing systems, such as minor channels.

[0078] In addition, the end socket (ES) may have a shape as shown in (b) of FIG. 15 and is fastened to the end of the structural bar (30) facing the wall to perform the function of fixing the ceiling frame to the wall, thereby improving the bonding strength so that the ceiling frame and the wall are stably joined.

[0079] In addition, the above wind pressure socket (WS) may have a shape as shown in (c) of FIG. 15 and may serve to fix the reinforcing bar (SB) orthogonally to the top of the structural bar (30). This can be utilized for cross-shaped reinforcement and cutting section reinforcement of the structural bar (30), and the worker can selectively use it in conjunction with the above cross socket (CS), thereby improving design flexibility.

[0080] In addition, the above-mentioned hanger socket (BS) may have a shape as shown in (d) of FIG. 15, and in the case of configuring a two-tiered ceiling by additionally providing a hanger (10) to connect the upper and lower loads, the hanger (10) may be additionally provided to form a lightweight steel ceiling finishing system with improved fixing stability as described above by installing the hanger (10) in the above-mentioned hanger socket (BS) to form a double layer.

[0081] The structural bar (30), which can be equipped with the above-mentioned functional member, is a member for firmly supporting a ceiling frame such as a carrying bar or a lightweight channel, and is connected by passing through a plurality of hangers (20), and is installed in a horizontal direction so that a plurality of finishing bars (40) can be installed at the bottom using clips (C).

[0082] The above-mentioned finishing bar (40) is a member for fixing the finishing material (50) and can be configured in various ways as needed, such as an M-bar that fixes the finishing material (50) with screws or staple pins, a clip bar in which the end of the finishing material (50) is bent and the bent end is inserted to fix it, or a T-bar that supports the finishing material (50) by hooking it, and the present invention is not limited thereto.

[0083] The above finishing material (50) is a member for finishing the ceiling surface, and panel members of various materials that satisfy the rules regarding building standards such as fire resistance, sound absorption, and durability may be used, and it is preferable to have a standard area such as 600×600mm, 450×450mm, and 300×300mm.

[0085] It will be understood by those skilled in the art that the lightweight steel frame ceiling finishing system with improved fixing stability according to the present invention, as described above, can be implemented in other specific forms without altering the technical concept or essential features of the present invention.

[0086] Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting, and the scope of the invention is defined by the claims set forth below rather than by the foregoing detailed description, and all modifications or variations derived from the meaning and scope of the claims and equivalents should be interpreted as being included within the scope of the invention. Explanation of the symbols

[0087] 10: Hanger 20: Hanger 210: Support body 211: Upper fixing piece 212: Vertical extension piece 213: Horizontal support piece 214: Vertical fastening piece 215: Binding piece 220: Connecting body 221: Upper anti-loosening piece 222: Vertical connecting piece 223: Fastening projection 224: Lower anti-loosening piece 30: Structural bar 40: Finishing bar 50: Finishing material C: Clip CS: Cross socket ES: End socket WS: Wind pressure resistant socket BS: Hanger socket SB: Reinforcement bar

Claims

Claim 1 The present invention relates to a ceiling finishing system constructed to finish the ceiling of a building, comprising: a plurality of hangers (10) distributed and installed on the ceiling so as to extend downward from the ceiling; a plurality of hangers (20) installed to have a closed-loop cross section located below the hangers (10); a plurality of structural bars (30) distributed and installed to extend in a position to be mounted on the plurality of hangers (20) and supported by the hangers (20) at different positions; a plurality of finishing bars (40) fixedly installed on the lower part of the structural bars (30) so as to be orthogonal to the structural bars (30); and a ceiling finishing material (50) mounted by the finishing bars (40) to form an equipment space. The hangers (20) have a vertical extension piece (212) bent downward on one side of an upper fixing piece (211) on which the hangers (10) are mounted, and a horizontal support piece (213) bent and formed at the lower end of the vertical extension piece (212) so as to face the upper fixing piece (211) in a spaced-apart state. A lightweight steel frame ceiling finishing system with improved fixing stability, characterized by comprising: a vertical fastening piece (214) formed with a fastening hole (214a) formed so as to face a vertical extension piece (212) spaced apart from the other side of a horizontal support piece (213), which is bent upward, and a fastening piece (215) formed protruding to the side of an upper fixing piece (211) so as to be fastened to a fastening hole (222a) of a coupling body (220), on which the structural bar (30) is mounted; and a coupling body (220) provided with a vertical coupling piece (222) having a fastening hole (222a) formed so as to face the vertical fastening piece (214), and a fastening projection (223) formed protruding so as to be fastened to a fastening hole (214a) of a support body (210) after a part of the vertical coupling piece (222) is cut and bent inward. Claim 2 A lightweight steel frame ceiling finishing system with improved fixing stability, characterized in that, in the first paragraph, the fastening hole (214a) formed in the vertical fastening piece (214) is formed in a rectangular structure having long and short sides, and the fastening projection (223) has a structural bar contact part (223a) formed protruding downward so as to contact and pressurize the structural bar (30). Claim 3 The present invention relates to a ceiling finishing system constructed to finish the ceiling of a building, comprising: a plurality of hangers (10) distributed and installed on the ceiling so as to extend downward from the ceiling; a plurality of hangers (20) installed to have a closed-loop cross section located below the hangers (10); a plurality of structural bars (30) distributed and installed to extend in a position to be mounted on the plurality of hangers (20) and supported by the hangers (20) at different positions; a plurality of finishing bars (40) fixedly installed on the lower part of the structural bars (30) so as to be orthogonal to the structural bars (30); and a ceiling finishing material (50) mounted by the finishing bars (40) to form an equipment space. The hangers (20) have a vertical extension piece (212) bent downward on one side of an upper fixing piece (211) on which the hangers (10) are mounted, and a horizontal support piece (213) bent and formed at the lower end of the vertical extension piece (212) so as to face the upper fixing piece (211) in a spaced-apart state. A support body (210) on which the structural bar (30) is mounted, wherein a vertical fastening piece (214) is formed by bending upward and having a fastening hole (214a) formed so as to face a vertical extension piece (212) while spaced apart from it on the other side of a horizontal support piece (213), an assembly piece (216) is extended upward from the vertical fastening piece (214), and a binding piece (215) is formed protruding sideways from an upper fixing piece (211) so as to be fastened to a binding hole (222a) of a coupling body (220); A lightweight steel frame ceiling finishing system with improved fixing stability, characterized by comprising: a vertical connecting piece (222) having a connecting hole (222a) formed to face the vertical connecting piece (214); an extension piece (225) formed by being bent downward and extended from the vertical connecting piece (222); and a connecting body (220) having an assembly hole (226) formed by cutting the vertical connecting piece (222) and the extension piece (225) so that the assembly piece (216) is inserted. Claim 4 A lightweight steel ceiling finishing system with improved fixing stability, characterized in that, in claim 1 or 3, the horizontal support member (213) of the support body (210) is formed to be narrower than the width of the vertical extension member (212) and the vertical fastening member (214). Claim 5 A lightweight steel frame ceiling finishing system with improved fixing stability, characterized in that, in claim 1 or 3, as a functional component coupled to the structural bar (30), it comprises: a cross socket (CS) for installing a reinforcing bar (SB) perpendicular to the structural bar (30) on the side of the structural bar (30) when reinforcing an inspection opening or an installation; an end socket (ES) for fastening to the end of the structural bar (30) facing the wall surface to fix the ceiling frame to the wall surface; a wind pressure-resistant socket (WS) for fixing a reinforcing bar (SB) provided perpendicularly to the top of the structural bar (30) to reinforce the cross-shaped durability of the ceiling frame; and a hanger socket (BS) installed to form a two-stage ceiling frame by protruding a hanger (10) downward from the ceiling frame.

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