KR200228592Y1 - Device for fixing the ceiling pannel - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a ceiling plate fixture of a building, and more particularly, to a ceiling plate fixture installed embedded in a slab.

2. The technical problem to be solved by the invention

The purpose of the present invention is to provide a ceiling plate fixture for easily installing the fixture by installing the fixture in the ceiling slab construction and easily fixing the fixture plate to the buried fixture.

3. Summary of Solution to Invention

The present invention includes a buried fixture 20 embedded in a ceiling slab, a screw rod 30 press-fitted to the buried fixture 20, and a fixing plate 40 into which the screw rod 30 is fitted. The buried fixture 20 is coupled to the hollow body 21, a set of crimping holes 22, 23 mounted in the body 21, and the top of the set of crimping holes 22, 23 It consists of an elastic plate 24 and a stopper 25 for sealing the inside of the body 21. In the present invention, the screw rod 30 is inserted into the buried fixture 20 to apply a deformation to the elastic plate 24, and the pair of pressing holes 22 and 23 are deformed by the elastic piece 24 deformation. Fixing plate 40 is to be fixed by being screwed into the inlet to the screw rod 30 entered.

4. Important uses of the invention

It is used to fix the ceiling of a building.

Description

Ceiling plate fixture of building {DEVICE FOR FIXING THE CEILING PANNEL}

The present invention relates to a ceiling plate fixture of a building, and more particularly, to a ceiling plate fixture installed embedded in a slab.

In general, the ceiling plate fixture is used to install the ceiling plate on the ceiling, which is the base of the slab after the construction of the interlayer slabs and walls of the building.

Among the ceiling plate fixtures used in the past, the most recent one is disclosed in the registration publication of the Republic of Korea Utility Model Registration No. 20-0178640 (registration date: February 3, 2000), the specific configuration and installation method of the conventional ceiling plate fixture 1, 2A to 2D will be described as follows.

First, the configuration of the conventional ceiling plate fixture with reference to Figure 1, the conventional ceiling plate fixture is configured to be separated into a pressing device (2), the fixture 3 and the fixing plate (4). Here, the crimping opening 2 has an inclined portion 5 formed to be inclined downward from an upper middle portion, and the fastener 3 has a screw portion formed therein and several cut portions 6 formed at regular intervals thereon. It is. The central portion of the fixing plate 4 has a screw portion formed therein so that the nut 7 is inserted, and the screw rod 8 is inserted into the inserted nut 7 from the bottom of the fixing plate 4 to protrude outward. Has a configuration.

Referring to Figures 2a to 2d the process of fixing the conventional ceiling plate fixture configured as described above to the ceiling that is the slab bottom as follows.

When installing the conventional ceiling plate fixture shown in Figure 1 to form a fastening hole 10 using a drill in the ceiling (9), the fastener (3) is inserted into the fastener (2) is inserted into the fastening hole Inserted into (10), in this state by hitting the bottom surface of the fastener 3 with a tool such as a hammer so that the fastener (3) is inserted into the smelting hole (10). That is, the cutting part 6 formed above the fastener 3 by the crimping tool 2 formed by hitting the bottom surface of the fastener 3 into which the crimping tool 2 is inserted in the upper part is inclined downward. It is to be press-fit fixed to the inner wall of the fastening hole (10). Then, the fixing plate 4 is fixed by fastening the screw rods 8 protruding from the fixing plate 4 to the threaded portions formed inside the fixing tool 3.

However, the conventional ceiling plate fixture as described above, in order to form a fastening hole (10) in the ceiling plate, tens or hundreds of times more cumbersome drill work is required for each floor of the building, the work harmful to the worker due to the concrete powder generated during the drilling work There is a problem to take the environment.

Therefore, the present invention was conceived to solve the problems of the prior art as described above, so that the installation of the fixture when the ceiling slab construction, and to easily fix the fixing plate to the buried fixture to facilitate the installation work The purpose is to provide a ceiling fixture.

1 is an exploded perspective view of a conventional ceiling plate fixture.

Figure 2a to 2d is a diagram illustrating the installation process of the conventional ceiling plate fixture.

Figure 3 is an exploded perspective view of the ceiling plate fixture according to the present invention

Figure 4a to 4c is an explanatory view of the installation process of the ceiling plate fixture according to the present invention.

5 and 6 are cross-sectional views showing the installation state of the subject innovation

* Description of the symbols for the main parts of the drawings *

20: buried fixture 21: buried fixed body

22, 23: crimp 24: elastic plate

25: stopper 30: screw rod

40: fixed plate

In order to achieve the above object, the present invention, the buried fixture is installed buried downward to the ceiling slab; A screw rod having an upper portion inserted and fixed inside the buried fixing portion; And a fixing plate screwed to the lower portion of the screw rod and fixed to the ceiling plate, wherein the buried fixture is formed of a hollow tube and has a head rail and a guide rail protruding in a longitudinal direction to an inner circumferential surface thereof. The body consists of a plate-shaped flange extending horizontally from the lower end, and has a structure in which the inverted conical tube each having a predetermined thickness is bisected in the longitudinal direction, the groove in which the guide rail of the inner circumferential surface of the body is inserted in the outer peripheral surface in the longitudinal direction And a pair of crimping holes formed with projections on the upper end surface, and a steel plate material having a predetermined width, each end portion of which is curved in a downward circular shape, the center portion of which is convexly curved downward, and the pair of crimping portions are formed at both ends. An elastic plate having an opening groove for inserting the top projections of the spheres respectively, and the body Characterized in that one to having a stopper which is fastened to the upper end of the body to seal the inside.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG. 3.

Figure 3 is an exploded perspective view of the ceiling plate fixture according to the present invention, 20 is a buried fixture, 21 is a buried fixture, 22 and 23 crimp, 24 is an elastic plate, 25 is a stopper, 30 is a screw rod, 40 is Each fixed plate is shown.

As shown in the drawings, the present invention includes a buried fixture 20 embedded in a ceiling slab, a screw rod 30 press-fitted to the buried fixture 20, and a fixed plate into which the screw rod 30 is fitted ( 40).

The buried fixture 20 is composed of a body 21, a set of pressing holes 22, 23, an elastic plate 24, and a stopper 25.

The body 21 is formed of an inverted conical hollow tube of a light beam lower side and has a head portion 201 formed with two guide rails 204 and 205 protruding in a longitudinal direction opposite to the inner circumferential surface with a screw formed on the upper inner circumferential surface thereof, It extends horizontally from the lower end of the head portion 201 consists of an annular disk and consists of a flange 202 forming a plurality of fixing holes 203 for fixing to the formwork when forming the interlayer slab.

The pair of pressing holes 22 and 23 have a structure in which the inverse conical tube having a predetermined thickness is bisected in the longitudinal direction, and the guide rails 204 and 205 of the inner circumferential surface of the head portion 201 of the body 21 on the outer circumferential surface thereof. The grooves 221 and 231 to be inserted are formed in the longitudinal direction, and saw blade protrusions are formed on the inner circumferential surface, and protrusions are formed on the upper surface thereof. The pair of pressing holes 22 and 23 are made of a rubber material having a predetermined strength, and the grooves 221 and 231 of the outer circumferential surface are fitted to the guide rails 204 and 205 formed to protrude in the longitudinal direction on the inner circumferential surface of the body 21. It is mounted on the inner circumferential surface of the body 21.

The elastic plate 24 is a steel sheet material having a predetermined width, both ends are curled downward in a circular shape, the center portion is convexly curved downward, and the upper end projections of the pressing holes 22 and 23 are formed at both ends. An opening groove is formed for insertion. The elastic plate 24 is assembled to be inserted into each of the opening grooves at the end so that the top surface projections of the set of the pressing holes 22 and 23 are inserted to be supported on the upper surfaces of the pressing holes 22 and 23.

When the elastic plate 24 and the pair of pressing holes 22 and 23 are mounted on the inner circumferential surface of the body 21 in an assembled state, the downward convex portion in the middle of the elastic plate 24 opens the hollow interior of the body 21. Is headed.

The stopper 25 is composed of a disk and a cylindrical body integrally installed at the lower part of the disk and formed with a screw on the outer circumferential surface, and the elastic plate 24 and a set of pressing holes 22 and 23 are assembled in the body 21. After being mounted in such a state, it is coupled to a screw formed on the upper inner circumferential surface of the body 21 to seal the inside of the body 21 and fastened to the top of the body 21.

The buried fixture 20, which is constructed and assembled as described above, has a lower flange 202 placed at a predetermined position on the upper surface of the ceiling slab formwork such that a fixture such as a piece passes through the fixing hole 203 of the flange 202. It is fixed to the upper surface of the slab formwork by being fixed to. Thereafter, it is embedded in the ceiling slab by concrete pouring for slab formation. The process of installing the buried fixture 20 embedded in the ceiling slab will be described later with reference to FIGS. 4A to 4C.

On the other hand, the stationary plate 40 has a structure in which a cylinder having an annular disk and a hollow groove formed with female threads on an inner circumferential surface thereof is formed perpendicular to the center of the annular disk. The fixing plate 40, the lower portion of the screw rod 30 is fastened to the hollow groove of the cylinder, the upper portion of the screw rod 30 protruding in this state passes through the flange 202 of the buried fixture 20 It is coupled to the buried fixture 20 by being press-fitted into the body 21. A specific coupling operation will be described later with reference to FIGS. 5 and 6.

Now, the process of installing the buried fixture 20 embedded in the bottom of the ceiling slab with reference to Figures 4a to 4c as follows.

In order to form an interlayer slab, a slab formwork panel 52, which is usually supported by a strut 51, is installed as shown in FIG. 4A. When the formwork panel 52 is installed, a plurality of fastening holes 203 are formed in the flange 202 of the fixture 20 embedding a fixture such as a piece at a position on a predetermined formwork panel 52 as shown in FIG. 4A. ) To fix the embedding fixture 20 by fixing it to the formwork panel 52. And when the concrete is poured to form the slab (see Fig. 4b), after curing is completed, the formwork panel 52 is demoulded, the buried fixture 20 is embedded in the ceiling slab with the interior of the hollow downwardly open (Fig. 4c). Reference).

The embedding fixture 20 will be described with reference to Figures 5 and 6 the process of coupling the fixing plate 40 in a state in which the hollow inside is buried in the ceiling slab in the open state as follows.

First, the lower part of the screw rod 30 is screwed and inserted into the hollow groove of the cylinder of the fixing plate 40, and in this state, the upper part of the screw rod 30 is inserted into the annular flange 202 of the buried fixture 20 from below. Pass through and insert into the hollow interior of the buried fixture 20 (see Figure 5). Then, the upper surface of the screw rod 30 enters the abutting portion of the elastic plate 24 and then pushes upward by applying a momentary force. In this case, the upper surface of the screw rod 30 presses the central convex portion of the elastic plate 24, and the center portion of the elastic plate 24 extends in length at both ends while being straightened in a straight line.

The length of both ends of the elastic plate 24, which is rolled in a circular shape and combined with the upper ends of the pair of crimps 22 and 23, is used to connect the pair of crimps 22 and 23 to the screw rod 30 and the buried fixture 20. The lower portion of the set of pressing holes 22 and 23 is pressed into the gap between the central opening of the annular flange 202 and the threaded rod 30 according to the inner wall of the body 21. . Therefore, the upper portion of the threaded rod 30 is pressed against the inner wall of the central opening of the annular flange 202 via the lower ends of the pair of crimps 22 and 23 press-fitted, and the screw on the outer circumferential surface of the screw set 30 22,23) is firmly engaged with the saw blade projection on the inner peripheral surface (see Fig. 6). In this state, the fixing plate 40 functions as a fixing support of the ceiling plate.

In the above description, the screw rod 30 is fixed to the buried fixture 20 in a state in which the screw rod 30 is coupled to the fixing plate 40, but after the top of the screw rod 30 is fixed to the buried fixture 20, the It is also possible to fix by fixing the fixing plate 40 to the lower.

Therefore, the present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible in the technical field of the present invention without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

Therefore, the present invention, which is configured and acts as described above, does not need to make a new fastening hole through drilling work on the slab that has been cured because the fixture is buried in advance in the slab. And has a useful effect of improving the worker's labor intensity and working environment.

Claims (5)

In the ceiling fixture for fixing the ceiling plate, A buried fixture embedded in the ceiling slab so as to be opened downward; A screw rod having an upper portion inserted and fixed inside the buried fixing portion; And It includes a fixing plate which is fixed to the screw thread coupled to the lower portion of the screw rod and the ceiling plate is fixed, The embedding fixture, A body formed of a hollow tube body and having a guide rail protruding in a longitudinal direction on an inner circumferential surface thereof, and a plate-shaped flange extending horizontally from a lower end of the head; Each of the inverted conical tubes each having a predetermined thickness has a structure bisected in the longitudinal direction, the outer peripheral surface is formed with a groove in which the guide rail of the inner peripheral surface of the body is inserted in the longitudinal direction, a pair of pressing holes formed with projections on the upper surface, An elastic plate composed of a steel plate having a predetermined width, both ends of which are curled downward in a circular shape, a central part of which is convexly curved downward, and formed with opening grooves for inserting the upper end projections of the set of crimping holes respectively at both ends. and, A stopper fastened to the top of the body to seal the interior of the body Ceiling plate fixture, characterized in that provided with. The method according to claim 1, The head of the body, the ceiling plate fixture, characterized in that the inverted conical tubular shape of the ordinary light lower narrow. The method according to claim 2, The flange of the body, the ceiling plate fixture, characterized in that it forms a plurality of fixing holes through which the fixture is inserted to be fixed to the ceiling slab formwork. The method according to claim 1, The set of pressing tools is a ceiling plate fixture, characterized in that the saw blade projection is formed on the inner peripheral surface. The method according to claim 1, The stopper is a ceiling plate fixture, characterized in that configured to be fastened by screwing the upper inner peripheral surface of the body.