KR102310694B1 - Lightweight steel frame structure for earthquake-proof construction - Google Patents

Abstract

The present invention relates to an earthquake-proof ceiling structure which is able to conveniently and firmly install a basic frame which is the frameworks for a ceiling, extremely easily modify the position for engaging finish materials, secure user convenience and efficient use value of work, display an excellent level of constructability just by an extremely simplified configuration, be easily handled and managed, and maximize construction convenience and efficiency as well. The earthquake-proof ceiling structure comprises: a plurality of hangers (10) installed downward at preset intervals from a roof of a building; a plurality of mainframes (20) placed in one direction on a lower end of the roof by being held on the hangers; a plurality of auxiliary frames (30) placed at preset intervals from a lower end of the mainframes at right angles; a plurality of fasteners (40) inserted from an upper end of the mainframes toward a lower side in a clip shape and binding the auxiliary frames; and a plurality of finish materials (50) engaged with a lower side of the auxiliary frames and forming a ceiling.

Description

Lightweight steel frame structure for earthquake-proof construction

The present invention is a technical idea related to the base structure for the ceiling that is installed in advance to construct a ceiling in a building, and more specifically, it is possible to install the basic frame that becomes the frame of the ceiling simply and firmly, In addition, it is extremely easy to modify the position for combining finishing materials, so it not only secures the efficient use value of the work, but also exhibits an excellent level of constructability only with an extremely simplified configuration, and the convenience and efficiency of construction due to the advantages of easy handling and management It also relates to an earthquake-resistant ceiling structure that is maximally induced.

In general, in the ceiling construction process of a building, a lattice-shaped foundation frame is constructed by stacking H-beams or framing pipes vertically and horizontally. This is done in such a way that it is installed without gaps. In the meantime, the foundation structure has been made by welding or bolting the vertical frame and the horizontal frame to each other. Precise design work had to be carried out in advance for reasons such as impossibility or a marked decrease in the degree of completion even after construction was completed.

To improve this inconvenience, various types of ceiling structures have been developed, and as an example, Korean Patent Publication No. 10-2230065 "Support hangers for ceiling structures" is published. The technology includes a fixing bracket having a receiving groove formed therein, a fastening nut accommodated in the fixing bracket, a spiral rod interposed in a through hole formed in the fixing bracket and fastened by the fastening nut, and the lower side of the spiral rod coupled to the ceiling It consists of a cradle on which the structure is mounted, and a clearance space is formed between the through hole of the fixing bracket and the spiral rod.

As another example, Registration Patent Publication No. 10-1703982 "Prefabricated Ceiling Structure" is published, and the technology is installed on the ceiling with indoor facilities and includes a cover panel formed with a receiving part along the outer periphery, and a plurality of installed spaced apart from each other. It consists of a closing panel provided on both sides of a fastening part formed so as to be able to be fastened corresponding to the receiving part so that it can be assembled between the cover panels of the It is a technology that not only minimizes installation time and manpower, but also reduces construction costs.

As another example, Korean Patent Publication No. 10-2143612 "Hanger device for ceiling structure" is published, and the technology is of a hanger device for a ceiling structure for supporting the main frame of a ceiling structure installed under the ceiling slab. It is a technology that can continuously maintain the safety of the ceiling finishing structure by preventing it from rotating with respect to the main frame.

Efforts to install the ceiling structure more easily and conveniently as described above, to absorb or disperse vibration from external forces to secure safety and durability, and to prevent displacement or unwanted rotation of elements constituting the ceiling structure. Efforts have been made to secure robust constructability.

Accordingly, the present invention can be easily and conveniently assembled according to the existing development direction, while also actively securing safety and durability, and has excellent bonding strength and constructability to maximize the efficiency of construction work, as well as to allow partial construction modifications after installation. The simplification of components led to the development of seismic-resistant ceiling structures that are easy to handle and manage.

Registered Patent Publication No. 10-2230065 "Support hanger for ceiling structure" Registered Patent Publication No. 10-1703982 "Prefabricated Ceiling Structure" Registered Patent Publication No. 10-2143612 "Hanger Device for Ceiling Structures"

The present invention was created to more actively solve the above-mentioned problems, and it greatly simplifies the form of coupling between the components of the foundation frame installed in advance on the ceiling and each component to improve transportability, constructability, handling, and management. It is a major problem to provide an easy ceiling structure.

In addition, the present invention is another problem to provide an earthquake-resistant ceiling structure that can contribute to the collapse prevention of the building by absorbing or dispersing various external forces and vibrations transmitted from the outside through the earthquake-resistant design.

In addition, the present invention can correct the position of the base frame when the screw or rivet fastening position between the base frame and the finishing material is different in the process of installing the finishing material after constructing the foundation frame or replacing the finishing material later, and also the modification process is extremely simple Another challenge is to provide a seismic-resistant ceiling structure that is easy and highly efficient in work.

The configuration of the earthquake-resistant ceiling structure proposed in the present invention in order to achieve the above-described problem is as follows.

The earthquake-resistant ceiling structure (1) of the present invention includes a plurality of hangers (10) that are installed downward at predetermined intervals from the roof of the building; a main frame 20 mounted on a hanger and arranged in one direction at the bottom of the roof; Auxiliary frames 30 arranged in a plurality of preset intervals in an orthogonal direction from the bottom of the main frame; A plurality of fasteners 40 that are fitted downward in the form of clips from the top of the main frame to constrain the auxiliary frame; In the earthquake-resistant ceiling structure consisting of; a finishing material 50 that is coupled to the bottom of the auxiliary frame to form a ceiling,
The main frame 20 includes a rail 21 formed of a groove having a set depth in the longitudinal direction on the upper surface or the lower surface, and the rail 21 is interposed with the upper surface of the fastener 40 to fit the main frame. Including that the path for the left and right movement of the fastener is guided while promoting the coupling force between (20) and the fastener,
The fastener 40 includes a body 41 consisting of a flat plate 41a that is in close contact with the upper surface of the main frame 20 and a blade 41b that extends downward in the form of upright walls on both sides of the flat plate to press both sides of the main frame, and a wing ( 41b) extending outward from both sides of the lower end and extending in the direction corresponding to the rail 21 from the upper surface of the body and the ring piece 42 for inducing the hooking of the auxiliary frame 30, into the inner space of the rail It is composed of an elastic piece 43 that is bent at a preset angle to impart an elastic force between the main plane and the body,
The elastic piece 43 includes a first inclined surface 43a extending downwardly bent at a preset angle from both sides of the upper surface of the body 41, and vertically downwardly bent at each end of the first inclined surface to the inside of the rail 21 . The vertical surface 43b entering into A spring 43e for inducing a rapid return to the original state is included, and the spring 43e is a vertical surface 43b provided between the first inclined surface 43a and the second inclined surface 43c inside the center of the body 41. Assembled by the protruding stopper (43d) extending in the direction,
An earthquake-resistant packing body 47 is attached to the inner surface of the wing 41b of the fastener 40, and the earthquake-resistant packing body 47 is based on 100 parts by weight of nitrile butadiene rubber, 50 to 60 parts by weight of EPDM, 10 to carbon black 25 parts by weight, 20 to 40 parts by weight of a urethane resin adhesive, and 20 to 30 parts by weight of a silane coupling agent are mixed in the form of a square frame.

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According to the present invention consisting of the above-described configuration, handling, management and transportation due to extremely simplified components such as assembly of the main frame and auxiliary frame only with hangers and fasteners and construction on the ceiling are excellent, and in particular, bolts or As the foundation frame can be built quickly and easily without additional fastening parts such as screws, it has the advantage of being very efficient in construction such as shortening of work time and reduction of manpower consumption.

In addition, the present invention causes the elastic piece of the rail and fastener of the main frame to exhibit an earthquake-resistant function, and also induces a rapid return of the elastic piece deformed by an external force due to the additional combination of the elastic piece and the spring bent several times. The effect of providing a ceiling structure that contributes to the improvement of seismic resistance and helps to prevent the collapse of the building by absorbing or dispersing various vibrations caused by external forces to prevent unwanted loosening and disassembly of all joints in the foundation frame there is

In addition, the present invention enables quick, simple, and precise position correction for all coupling parts of a hanger and a main frame, a main frame and a fastener, and a fastener and an auxiliary frame. In the process of replacing the finishing material, if the size of the finishing material and the joint part of the basic frame do not match, or there is a difference in the fastening position of screws or ribs between the basic frame and the finishing material, the position of the hanger, main frame, fastener, and auxiliary frame is quickly corrected and the finishing material is can be installed, which has other effects of excellent work efficiency and maintenance and management.

1 is a perspective view of a seismic type ceiling structure constructed according to a preferred embodiment of the present invention.
Figure 2 is an exploded perspective view showing the coupling relationship between the ceiling structure proposed by the present invention.
Figure 3 is a cross-sectional view of the ceiling structure showing the coupling form of the hanger.
Figure 4 is a perspective view of a fastener proposed by the present invention.
Figure 5 is a front view of the ceiling structure proposed by the present invention, a partial cross-sectional view showing a form in which the elastic piece of the fastener is seated on the rail of the main frame.
Figure 6 is a cross-sectional view showing a form in which the auxiliary frame is coupled to the hook piece of the fastener.
7 is a perspective view showing the coupling form of the main frame and the fastener, and a partial cross-sectional view showing the seating form with the rail by another structure of the elastic piece.
Figure 8 is a cross-sectional view showing the shape of the elastic piece according to another embodiment of the present invention, a fastener to which a spring is added, and a combined form between the fastener and the main frame;
9 is an exemplary view illustrating the shape of the rail of the main frame and the shape of the elastic piece of the fastener according to another embodiment of the present invention.
10 is an exemplary view illustrating a form in which a forcesal part is formed in a fastener according to another embodiment of the present invention.
11 is an exemplary view illustrating a form in which a seismic packing body is formed in a fastener according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, it will be collectively described for the configuration of the present invention and the resulting action and effect.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only this embodiment serves to complete the disclosure of the present invention, and common knowledge in the technical field to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. In addition, like reference numerals refer to like elements throughout the specification.

The present invention is disclosed with respect to the technical idea of the base structure for the ceiling to be installed in advance to construct a ceiling (天障) in a building.

Above all, the present invention can easily and securely install the base frame, which becomes the frame of the ceiling, and in addition, it is extremely easy to modify the position for bonding the finishing materials, so that not only the convenience of use and the efficient use value of the work are secured, but also extremely simple It should be noted that it is related to the seismic type ceiling structure that maximizes the convenience and efficiency of construction due to the advantages of easy handling and management by demonstrating an excellent level of constructability only with the constructed configuration.

1 is a perspective view of a seismic type ceiling structure constructed according to a preferred embodiment of the present invention.

As shown in FIG. 1, the ceiling structure 1 of the present invention includes a plurality of hangers 10 installed vertically downward from the roof of a building; and a main frame 20 disposed in a plurality of longitudinal or transverse directions within the roof by the hangers. And, a plurality of auxiliary frames 30 disposed in a perpendicular direction from the lower end of the main frame; and a plurality of fasteners 40 for coupling the auxiliary frame to the main frame; and a plurality of couplings to the lower surface of the auxiliary frame to form a ceiling It is composed of a finishing material 50;

The hanger 10 is coupled to the roof of the building and is installed downward at a preset interval within the range allowed by the roof, and the main frame 20 is made of an H-beam or a pipe for framing, and is mounted on each hanger. A plurality of auxiliary frames are arranged in a longitudinal or transverse direction at the lower end of the roof according to the installation direction, and the auxiliary frames 30 are arranged at a predetermined interval in a perpendicular direction from the lower end of the main frame to form a lattice shape as a whole together with the main frame, and the fastening The sphere 40 is fitted downward in the form of a clip from the top of the main frame to constrain the auxiliary frame, and the finishing material 50 is made of gypsum board or various ceiling finishing materials and is installed on the bottom surface of the auxiliary frame by bolting, screws, rivets, etc. .

Figure 2 is an exploded perspective view showing the coupling relationship of each element constituting the ceiling structure.

As mentioned above, the ceiling structure 1 of the present invention includes a hanger 10 installed downward from the inside of the roof; and a main frame 20 mounted on the hanger and arranged in the longitudinal direction (based on the drawings of the present invention); and , Auxiliary frame 30 arranged in the transverse direction (based on the drawing of the present invention) at the lower end of the main frame; It consists of a fastener (40) for constraining the main frame and the auxiliary frame to be induced to be integrated.

3 is a cross-sectional view of the ceiling structure showing the combined form of the hanger.

As shown in FIG. 3, the hanger 10 is a combination of an anchor bolt 11 installed vertically downward from the roof of the building, and a support 12 coupled to the anchor bolt on the upper side and the main frame 20 on the lower side. is made of

The anchor bolt 11 is composed of an extension portion 11a embedded in a wall or the like, and a screw portion 11b fastened to an object. The anchor bolt 11 is firmly restrained by embedding the extension 11a in the roof in a state of being vertically disposed inside the roof, and thus partially penetrating the support 12 through the screwed portion 11b disposed downward. Secure with nut (13).

The support 12 includes a first bent portion 12a to which the screw portion 11b of the anchor bolt 11 is coupled, and a second bent portion at right angles downward from the first bent portion to be in close contact with the rear surface of the main frame 20 . The bent portion 12b, the third bent portion 12c bent forward from the second bent portion at right angles to the bottom surface of the main frame, and the third bent portion bent upward from the third bent portion at right angles to closely contact the front part of the main frame and a fourth bent portion 12d.

The support 12 is adjusted up and down within the allowable range of the anchor bolt 11 according to the degree of tightening of the nut 13, and as described above, the second, third, and fourth bent portions 12b, 12c, 12d ), the main frame is stably mounted.

The main frame 20 is made in the form of a rectangular pipe with an inner tube, and includes rails 21 formed of grooves having a predetermined depth in the longitudinal direction on the upper surface and the lower surface, respectively.

The rail 21 will be described below, but the contact surface between the upper surface of the main frame 20 and the fastener 40 is minimized to reduce friction induction, and in particular, as the elastic piece 43 is fitted into the rail 21 , it is mutually In addition to promoting the improvement of the coupling force between the fasteners, it plays a role such as accurately guiding the path for left and right movement when correcting the position of the fastener.

4 is a perspective view of a fastener proposed by the present invention.

4, the fastener 40 of the present invention includes a body 41 that is fitted downwardly from the upper side of the main frame 20, and a ring piece 42 formed in a ring shape at the bottom of the body to constrain the auxiliary frame 30. ) and an elastic piece 43 that protrudes in both directions from the upper end of the body to exert an earthquake-resistant function due to the elastic force between the body and the main frame.

The body 41 includes a flat plate 41a that enters the upper side of the main frame 20 and is seated on the top of the main frame, and a pair of wings that extend downward in the form of upright walls from both sides of the flat plate and are in close contact with the front and rear surfaces of the main frame, respectively. (41b) consists of

The ring piece 42 is formed in a total of two sets of one each on the left and right sides of the wing 41b, and the upper side of the ring piece is cut in a predetermined range to allow entry so that the auxiliary frame 30 can be combined. It further includes an intervening portion 42a that is a space. For example, the ring piece 42 is formed naturally while the intervening portion 42a is formed, and the upper surface of the ring piece gradually increases in inclination from the center of the body 41 to the outside in order to prevent separation of the installed auxiliary frame 30 . made in the shape of

The elastic piece 43 is formed to extend in a direction corresponding to the rail 21 from both left and right sides of the flat plate 41a, and is bent at a preset angle into the inner space of the rail to impart an elastic force between the main plane and the body.

5 is a front view of the ceiling structure proposed by the present invention and a partial cross-sectional view showing a form in which an elastic piece of the fastener is seated on the rail of the main frame.

As shown in FIG. 5 , the fastener 40 intervenes downward from the upper side of the main frame 20 so that the inner surface of the flat plate 41a and the upper surface of the main frame are in contact, and at this time, the elastic piece 43 is inserted into the rail 21 , It is seated on the bottom surface of the rail. On the other hand, the fastener 40 may be assembled in close contact with the upper surface of the main frame 20 or separated by a predetermined height depending on the bending angle of the elastic piece 43 . For example, when the downward bending degree of the elastic piece 43 is gentle, the fastener 40 is in close contact with the upper surface of the main frame 20, and as a result, the elastic piece simply precisely guides the movement path with respect to the position correction of the fastener. . On the other hand, when the downward bending degree of the elastic piece 43 increases, the fastener 40 is spaced apart from the main frame 20 while the elastic piece supports the entire body 41 on the bottom surface of the rail 21, and the elastic piece Due to the elastic force, it exhibits earthquake-resistant functions such as shock mitigation and vibration absorption.

6 is a cross-sectional view showing a form in which the auxiliary frame is coupled to the hook piece of the fastener.

As shown in FIG. 6 , the auxiliary frame 30 has an open upper surface and both upper ends are bent and bent toward the center. In the present invention, the auxiliary frame 30 is referred to as a locking part 31 for the bent area on both sides.

Although omitted from the drawings of the present invention, the auxiliary frame 30 is arranged in a direction perpendicular to the main frame 20 from the lower side, and is preferably auxiliary by intervening portions 42a on both sides of the fastener 40 fitted to the main frame. It has a structure in which the auxiliary frame is caught in the fastener by interposing the both side locking parts 31 of the frame 30 in the front. As shown in the figure, when the operator puts the auxiliary frame 30 entered through the intervening portion 42a, it descends from the intervening portion while receiving a load due to the weight of the auxiliary frame, and finally stable seating on the ring piece 42 is made. .

7 is a perspective view showing the coupling form of the main frame and the fastener, and a partial cross-sectional view showing the seating form with the rail by another structure of the elastic piece.

As shown in FIG. 7, the elastic piece 43 includes a first inclined surface 43a extending downwardly bent at a preset angle from both sides of the upper surface of the body 41, and vertically downwardly bent at each end of the first inclined surface to be a rail (21) It may be configured to include a vertical surface 43b that enters the inside, and a second inclined surface 43c that is bent downwardly into the body at each end of the vertical surface.

As described with reference to FIG. 5 above, the elastic piece 43 supports the body 41 from the rail 21 of the main frame 20 to space the fastener 40 from the upper end of the main frame by a set height. It induces the seismic function to be exhibited. In FIG. 5, it has been described that the elastic force is controlled according to the degree of bending of the elastic piece 43 to induce the earthquake-resistant function. , a combination of the second inclined surface 43b, which exhibits the second elastic force, exhibits a more excellent level of seismic resistance. In particular, the first inclined surface 43a is a structure that extends outwardly from the body 41, and the second inclined surface 43c is a structure that extends inwardly of the body again, and since it is excellent in contraction and tension, the earthquake-resistant function is actively exhibited. .

8 is a cross-sectional view illustrating the shape of an elastic piece and a fastener to which a spring is added, and a combined form between the fastener and the main frame according to another embodiment of the present invention.

As shown in FIG. 8, the present invention further includes a spring 43e for inducing a rapid return to its original state against shape deformation by tension and contraction of the first inclined surface 43a and the second inclined surface 43c.

The spring 43e is assembled by a stopper 43d protruding from the inside of the vertical surface 43b provided between the first inclined surface 43a and the second inclined surface 43c toward the center of the body 41, of course, As it is horizontally disposed in the same direction as the rail 21 in the space between the flat plate 41a and the main frame 20, a contracting force that pulls the elastic pieces 43 on both sides is applied or the elastic pieces on both sides are pushed to each other. gives tension.

9 is an exemplary view illustrating the shape of the rail of the main frame and the shape of the elastic piece of the fastener according to another embodiment of the present invention.

As shown in FIG. 9 , in the present invention, a guide groove 21h that is cut in one direction is formed in the rail 21 of the main frame 20, and the tip of the elastic piece 43 of the fastener 40 enters the guide groove. It further includes an inlet (43a).

That is, in a state in which the fastener 40 is assembled with the main frame 20 and the auxiliary frame 30 , the elastic piece 43 is fitted into the rail 21 , and the inlet formed at the tip of the elastic piece 43 . (43a) is inserted into the guide groove (21h) formed in the rail (21), the elastic piece (43) portion of the double fastener (40) is fixed to the rail (21) of the main frame (20) more mutually In addition to promoting the improvement of the coupling force, it is to perform a role such as precisely inducing the path guidance for the left and right movement when the position of the fastener is corrected.

10 is an exemplary view illustrating a form in which a forcesal part is formed in a fastener according to another embodiment of the present invention.

10, the present invention is connected to a portion of the flat plate 41a and a portion of the elastic piece 43 that are in close contact with the upper surface of the main frame 20, respectively, and the force sal portion 45 protruding upward is formed so that the elastic piece 43 is formed. The elastic piece 43 is prevented from being damaged by a load applied to the elastic piece 43 in the process of being seated or installed on the rail 21 .

11 is an exemplary view illustrating a form in which a seismic packing body is formed in a fastener according to another embodiment of the present invention.

As shown in FIG. 11, an earthquake-resistant packing body 47 is provided inside the fastener to buffer the external force applied to the fastener 40 during an earthquake.

The seismic packing body 47 is attached to the inner surface of the wing 41b of the fastener 40, that is, the wing 41b for pressing both sides of the main frame 20 to be positioned between the main frame 20 and the wing 41b. do.

At this time, the detailed material of the seismic packing body 47 is based on 100 parts by weight of nitrile butadiene rubber, 50 to 60 parts by weight of EPDM, 10 to 25 parts by weight of carbon black, 20 to 40 parts by weight of urethane resin adhesive, 20 to 40 parts by weight of silane coupling agent. 30 parts by weight is mixed and molded into a square frame shape.

Nitrile butadiene rubber has good elasticity and durability, so it can be used for a long time without deformation.

EPDM is an amorphous polymer material obtained by hybrid polymerization of ethylene and propylene. Its physical properties are intermediate between natural rubber and SBR, and due to its strong polymer structure, it has excellent weather resistance and long lifespan.

Carbon black is used to improve the hardness, reinforcement, and abrasion resistance of the earthquake-resistant packing body 47, and is mixed in the form of particles.

Carbon black serves as a rubber reinforcing agent to reinforce the physical properties of nitrile butadiene rubber and EPDM. When used in the form of particles with good dispersion, it greatly contributes to the reinforcing power of nitrile butadiene rubber and EPDM.

If the carbon black is less than the above range, the reinforcing effect of nitrile butadiene rubber and EPDM is insignificant. It is preferable to mix within the range of

The urethane resin adhesive and the silane coupling agent exhibit the binder function of the material constituting the earthquake-resistant packing body 47, and the urethane resin adhesive minimizes peeling and improves durability when chloroprene rubber, urethane rubber and rubber reinforcing agent are mixed. Of course, since it has excellent wear resistance and vibration absorption, and excellent resistance to oxidation and aging and adhesion, the shape of the seismic packing body 47 is maintained while closely airtight between the main frame 20 and the wings 41b. to maximize the sealing function.

The silane coupling agent makes the adhesive strength and viscosity of the binder advantageous together with the urethane resin adhesive to improve the adhesion of the materials constituting the earthquake-resistant packing body 47 to improve the convenience of processing.

The earthquake-resistant ceiling structure of the present invention having the above configuration is extremely simplified such that it can be installed on the ceiling by assembling the main frame 20 and the auxiliary frame 30 only with the hanger 10 and the fastener 40 Handling, management, and transport due to the elements are very excellent, and in particular, as the foundation frame can be built quickly and easily without additional fastening parts such as bolts or screws, it is very efficient in construction such as shortening of work time and reduction of manpower consumption.

In addition, the rail 21 of the main frame 20 and the elastic piece 43 of the fastener 40 exert an earthquake-resistant function, and an external force due to the additional combination of the elastic piece bent several times and the spring 43e It actively contributes to the improvement of seismic resistance by inducing the rapid return of the elastic piece deformed by the It can help prevent collapse.

In addition, fast, simple, and precise position correction is possible for all coupling parts of the hanger 10 and the main frame 20, the main frame and the fastener 40, and the fastener and the auxiliary frame 30, and accordingly, the basic structure When the finishing material 50 is installed after construction or in the process of replacing the finishing material later, the size of the finishing material and the joint part of the base frame do not match, or the fastening position of screws or ribs between the base frame and the finishing material is different, hanger, main frame, fastener, Since the position of the auxiliary frame can be quickly corrected and the finishing material can be installed, the work efficiency and maintenance and management are excellent.

Although the present invention described above has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible by those skilled in the art. should be made clear. Accordingly, the true technical protection scope of the present invention should be construed by the appended claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10. Hanger 11. Anchor bolt
12. Support 13. Nut
20. Mainframe 21. Rail
30. Sub frame 31. Locking part
40. Fastener 41. Body
42. Hook piece 43. Elastic piece
50. Finishing materials 1. Ceiling structures

Claims (5)

A plurality of hangers (10) that are installed downward at a predetermined interval from the roof of the building; a main frame 20 mounted on a hanger and arranged in one direction at the bottom of the roof; Auxiliary frames 30 arranged in a plurality of preset intervals in an orthogonal direction from the bottom of the main frame; A plurality of fasteners 40 that are fitted downward in the form of clips from the top of the main frame to constrain the auxiliary frame; In the earthquake-resistant ceiling structure consisting of; a finishing material 50 that is coupled to the bottom of the auxiliary frame to form a ceiling,
The main frame 20 includes a rail 21 formed of a groove having a set depth in the longitudinal direction on the upper surface or the lower surface, and the rail 21 is interposed with the upper surface of the fastener 40 to fit the main frame. Including that the path for the left and right movement of the fastener is guided while promoting the coupling force between (20) and the fastener,
The fastener 40 includes a body 41 consisting of a flat plate 41a that is in close contact with the upper surface of the main frame 20 and a blade 41b that extends downward in the form of upright walls on both sides of the flat plate to press both sides of the main frame, and a wing ( 41b) extending outward from both sides of the lower end and extending in the direction corresponding to the rail 21 from the upper surface of the body and the ring piece 42 for inducing the hooking of the auxiliary frame 30, into the inner space of the rail It is composed of an elastic piece 43 that is bent at a preset angle to impart an elastic force between the main plane and the body,
The elastic piece 43 includes a first inclined surface 43a extending downwardly bent at a preset angle from both sides of the upper surface of the body 41, and vertically downwardly bent at each end of the first inclined surface to the inside of the rail 21 . The vertical surface 43b entering into A spring 43e for inducing a rapid return to the original state is included, and the spring 43e is a vertical surface 43b provided between the first inclined surface 43a and the second inclined surface 43c inside the center of the body 41. Assembled by the protruding stopper (43d) extending in the direction,
An earthquake-resistant packing body 47 is attached to the inner surface of the wing 41b of the fastener 40, and the earthquake-resistant packing body 47 is based on 100 parts by weight of nitrile butadiene rubber, 50 to 60 parts by weight of EPDM, 10 to carbon black 25 parts by weight, 20 to 40 parts by weight of urethane resin adhesive, and 20 to 30 parts by weight of a silane coupling agent are mixed. delete delete delete According to claim 1,
A guide groove 21h that is cut in one direction is formed in the rail 21 of the main frame 20, and an inlet 43a that is introduced into the guide groove with the tip of the elastic piece 43 of the fastener 40 is configured. Seismic-resistant ceiling structure, characterized in that.

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