KR200360524Y1 - Combination structure of outside panel and inside panel for a fire door - Google Patents

Abstract

The inner plate member and the outer plate member are coupled to each other by a rivet member, and the portion where the handle is installed is inserted into the outer plate member and the inner plate member in a fitting manner, so that the combined structure of the inner plate member and the outer plate member of the fire door having the structure where the rivet member is removed is disclosed. It is. The combined structure of the fire door forms a fitting end on the inner plate forming the fire door, and the outer plate forming a fitting portion into which the fitting end is fitted so that a part of the inner plate and the outer plate are fitted in a fitting manner, and the remaining portions are rivet members. The rivet member is removed from the part exposed to the user, such as the handle installation portion, so that the aesthetics can be improved, and the inner and outer plates can be quickly and easily combined, and the assembly work in a narrow space is performed. It can be done.

Description

Combination Structure of Outer Plate and Inner Plate for Fire Doors {COMBINATION STRUCTURE OF OUTSIDE PANEL AND INSIDE PANEL FOR A FIRE DOOR}

The present invention relates to a coupling structure of the inner plate and the outer plate of the fire door, in particular the locking side edges of the inner plate and the outer plate is coupled to each other by the fitting method, the remaining edge is coupled to the rivet member, the locking portion exposed to the user The side of the rivet member is removed to improve the appearance, the number of parts and workmanship is significantly reduced, and relates to a coupling structure of the inner plate and the outer plate of the fire door that can quickly combine the outer plate and the inner plate.

Generally, the fire door consists of the inner board material 1 and the outer board material 2, as shown in FIG. 4, and the non-flammable material etc. which are not shown are provided in between.

In order to assemble the inner plate material 1 and the outer plate material 2 of the fire door of such a structure, as shown in FIG. 4, the inner plate material is formed in the insertion part 2-1 formed by bending the edge of the outer plate material 2. After inserting the insertion end 1-1 of 1), as shown in FIG.

However, such a fire door according to the prior art has a problem in that a sufficient working space is required to move the inner plate 1 and the outer plate 2 in the longitudinal direction because the coupling structure is composed of a sliding type.

That is, the inner plate member 1 and the outer plate member 2 having a length of about 2M are placed in a line, and the insertion end 1-1 is inserted into the inserting portion 2-1, and then the inner plate member 1 or the outer side thereof. Since the plate 2 is moved in the longitudinal direction and the insertion end 1-1 is configured to be coupled to the insertion part 2-1, there is a problem that a work space having a length of at least 4M is required. Due to this, a lot of time was required for assembly work, and the assembly work was also inconvenient.

On the other hand, in order to solve this problem, a structure for coupling the outer plate and the inner plate with a rivet member has been proposed, but in this case, the upper, lower left and right edges of the outer plate and the inner plate, that is, the upper and lower edges and the hinge side edges. And the number of parts and the number of work was increased by combining all the edges of the locking part side with the rivet member, which is a problem that takes a lot of time for the combined operation of the outer plate and the inner plate.

In addition, the head portion of the rivet member is all exposed to the circumference of the fire door, in particular the side of the lock side, there is a problem to lower the aesthetics of the door.

The present invention is devised to solve the problems of the prior art as described above, the technical problem of the present invention can be assembled quickly and easily and firmly the inner plate and the outer plate of the fire door, as well as the rivet member on the locking side It is to provide a means for mutual coupling without using.

In addition, another technical problem of the present invention is to provide a means for reducing the number of rivet members and the number of assembly operations.

1 is an exploded perspective view showing a fire door according to a preferred embodiment of the present invention.

Figure 2a, 2b is a cross-sectional view showing a state in which the fire door shown in FIG.

3A and 3B are cross-sectional views illustrating a coupling state of the outer plate and the inner plate shown in FIG. 1.

Figure 4 is a plan sectional view showing the structure of a fire door according to the prior art.

5 is a schematic view for explaining the assembled state of the fire door shown in FIG.

<Description of the symbols for the main parts of the drawings>

10: inner plate 11: inner plate back

12: First upper and lower edge 12A: Insertion groove

14: first hinge side edge 15: insertion end

16: rivet hole 16A: through hole

16B: Seating hole 18: Edge of first locking part side

19: fitting step 20: outer plate

21: Back side of the outer plate 22: Second upper and lower edge

24: second hinge side edge 26: coupling hole

28: second locking part edge 30: rivet member

The present invention for solving the above technical problem is that the first upper, lower edge and the first hinge side edge of the fire door inner plate is bent at right angles to the back surface of the inner plate, the first upper, lower edge and the first hinge A plurality of rivet holes are drilled at the side edges, the first locking side edges are bent at right angles to the back surface of the inner plate, and then bent outwards in multiple stages to form a fitting step, and the second upper, lower edges, and the first edge of the fireproof outer plate. 2, the hinge side edge is bent at right angles to the outer plate back surface, a plurality of coupling holes corresponding to the rivet hole is drilled in the second upper, lower edge and the second hinge side edge, and the second locking part edge is the outer plate back surface After bending at a right angle to the state and bent in parallel again, the fitting portion is formed between the outer surface of the back plate, the fitting end of the inner plate is sandwiched Is inserted into the portion, the first upper, lower edge and the first hinge side edge is inserted into the second upper, lower edge and the second hinge side edge inside the rivet hole and the coupling hole is matched with each other, the rivet member is installed outside It provides a coupling structure of the inner plate and the outer plate of the fire door, characterized in that for coupling the plate and the inner plate.

As described above, in the present invention, the first and second upper and lower edges and the first and second hinge side edges are coupled to each other by fitting the inner end of the outer plate, and thus the edges of the locking part are required. The rivet member can be deleted, so that the number of parts and labor can be significantly reduced.

In addition, since the rivet member is not used on the locking part side of the fire door in which the handle and the locking member are installed, the aesthetics of the fire door can be improved.

On the other hand, since the outer plate and the inner plate is coupled by the fitting method and the riveting method, the assembling work of the outer plate and the inner plate can be made quickly even in a narrow space.

In addition, since the head of the rivet member is inserted into the seating hole of the rivet hole, the head of the rivet member does not protrude to the surface of each edge.

Referring to the fire door coupling structure according to an embodiment of the present invention having such a feature in detail based on the accompanying drawings as follows.

In the accompanying drawings, Figure 1 is an exploded perspective view showing a fire door according to a preferred embodiment of the present invention, Figure 2a, 2b is a cross-sectional view showing a state in which the fire door shown in FIG.

In the accompanying drawings, as shown in FIGS. 1 to 2B, the combined structure of the inner plate and the outer plate of the fire door according to the preferred embodiment includes a first upper and lower edge 12 and a first hinge having a rivet hole 16 formed therein. The inner plate 10 having the first locking side edge 18 having the side edge 14 and the fitting end 19 formed therein, the second locking side edge 28 forming the fitting 29 and a plurality of rivets. The member 30 is composed of the outer plate member 20 having the second upper and lower edges 22 and the second hinge side edges 24 having the coupling holes 26 formed thereon.

Looking at this in more detail as follows.

The inner plate 10 is the first upper, lower edge 12 and the first hinge side edge 14 is bent to maintain a right angle to the inner plate back surface (11: face facing the outer plate 20) hug The tip seams inwardly. Then, the first locking portion side edge 18 is also bent at right angles to the inner plate back surface 11, and the end is bent outwards in multiple stages to form the fitting end 19.

Therefore, the rest except for the fitting end 19 of the first locking portion side edge 18 has the same shape.

A plurality of rivet holes 16 are formed at equal intervals on the first upper and lower edges 12 and the first hinge side edges 14 of the inner plate member 10. As shown in FIG. 1, the rivet hole 16 includes a through hole 16A and a first phase formed at an end portion of the first phase, the lower edge 12, or the first hinge side edge 14 seamed inwardly. It consists of a seating hole 16B formed in a larger diameter than the through-hole 16 in the outer side of the lower edge 12 or the 1st hinge side edge 14. As shown in FIG. Therefore, if the head of the rivet member 30 is in close contact with the periphery of the through hole 16A, the head is inserted into the seating hole 16B, which causes the head of the rivet member 30 to not protrude. Will not.

The outer plate 20 is coupled to the inner plate 10 so as to form a space for installing the heat insulating member between the inner plate 10, the remaining edges other than the second locking portion side edge 28, that is, the first The second phase, the lower edge 22 and the second hinge side edge 24 are bent at right angles to the outer plate back surface 21 (face facing the inner plate 10), and the second phase bent in this manner, A plurality of coupling holes 26 are drilled at equal intervals on the lower edge 22 and the second hinge side edge 24. The coupling hole 26 is formed so that the rivet member 30 is installed.

On the other hand, the second locking portion side edge 28 is bent at right angles to the outer plate back surface 21 and then bent in parallel with the outer plate back surface 21 to be sandwiched between the outer plate back surface 21 ( 29) is formed.

In this case, the second upper and lower edges 22 and the second hinge axis edges 24 may be inserted into the first upper and lower edges 12 and the first hinge axis edges 14. Distance between the upper edge 22 and the second lower edge 22).

Referring to the operation of the present embodiment configured as described above are as follows.

In order to couple the outer plate 20 and the inner plate 10 configured as described above, as shown in Figure 3a of the accompanying drawings, the fitting end of the inner plate 10 to the fitting portion 29 of the outer plate 20 Insert (19).

In this process, when the fitting end 19 formed at the first locking part side edge 18 is inserted into the fitting part 29 formed at the second locking part side edge 28, as shown in FIG. 3B, the first and second hinges are illustrated. The side edges 14 and 24 are close to each other.

That is, the second hinge side edge 24 and the second upper and lower edges 22 are inserted into the first hinge side edge 14 and the first upper and lower edges 12.

When the second hinge side edge 24 and the second upper and lower edges 22 are inserted into the first hinge side edge 14 and the first upper and lower edges 12, they are engaged with the rivet hole 16. Match the balls 26.

When the rivet hole 16 and the coupling hole 26 is matched, the rivet member 16 is inserted into the rivet hole 16 and the coupling hole 26 and then pressurized to be coupled.

When the rivet member 30 is coupled as described above, the head of the rivet member 30 is placed in the periphery of the through hole 16A and at the same time positioned in the seating hole 16B. Therefore, the head portion of the rivet member 30 does not protrude more than the surfaces of the first upper and lower edges 12 and the first hinge side edge 14.

Subsequently, the corner portions of the first locking portion side edge 18 and the first hinge side edge 14 and the first upper and lower edges 12 are coupled as follows.

That is, the insertion end 15 formed at each end (upper and lower end) of the first locking portion side edge 18 and the first hinge side edge 14 has an insertion groove formed at the first upper and lower edges 12. It is bent in the 12A) direction so that the insertion end 15 is inserted into the insertion groove (12A).

When the insertion end 15 is inserted into the insertion groove 12A, the corner portions of the first locking side edge 18 and the first hinge side edge 14 and the first upper and lower edge 12 are formed on the surface thereof. Will be combined in a state that does not protrude.

The combined structure of the inner plate and the outer plate of the fire door according to the present invention forms a fitting end at the edge of the lock portion of the inner plate forming the fire door, and forms a fitting portion for inserting the fitting end at the edge of the locking portion side of the outer plate, After inserting the fitting end to the fitting portion is configured to combine the remaining edges except the edge of each lock portion with the rivet member, according to the present invention, by not using the rivet member on the locking side edge of the inner plate and the outer plate, The number of rivet members for joining the inner and outer plates can be reduced, and the work maneuver is reduced, so that the work for joining the outer and outer plates can be made quickly. In addition, since no riveting member is used at the edge of the locking side, the side (locking side) aesthetic appearance of the fire door can be improved.

Claims (3)

The first upper and lower edges 12 and the first hinge side edges 14 of the fire door inner plate 10 are bent at right angles to the inner plate back surface 11, and the first upper and lower edges 12 and A plurality of rivet holes 16 are drilled in the first hinge side edge 14, and the first locking side edge 18 is bent at a right angle with the inner plate back surface 11, and then bent outward in multiple stages. 19 is formed, The second upper and lower edges 22 and the second hinge side edges 24 of the fire door outer plate 20 are bent at right angles to the outer plate back surface 21, and the second upper and lower edges 22 and A plurality of coupling holes 26 corresponding to the rivet holes 16 are drilled in the second hinge side edge 24, and the second locking side edge 28 is bent at a right angle with the outer plate back surface 21. After it is bent in parallel again, the fitting portion 29 is formed between the outer plate back surface 21, The fitting end 19 of the inner plate 10 is inserted into the fitting part 29, and the second upper and lower edges 22 and the second hinge side edges 24 are provided as the first upper and lower edges 12. ) And a rivet member 30 is installed in the rivet hole 16 and the coupling hole 26 which are inserted into the first hinge side edge 14 and coincide with each other so that the outer plate 20 and the inner plate 10 are provided. Coupling structure of the inner plate and the outer plate of the fire door, characterized in that coupled. The method of claim 1, wherein the rivet hole 16 is a through hole 16A through which the body of the rivet member 30 passes. A seating hole 16B having a diameter larger than the through hole 16A so that the head 32 of the rivet member 30 is inserted; Combined structure of the inner plate and the outer plate of the fire door, characterized in that consisting of. According to any one of claims 1 to 3, Inserting grooves 12A are formed at both ends of the first upper and lower edges 12, respectively. An upper end and a lower end of the first hinge side edge 14 and the first locking side edge 18 are bent so that an insertion end 15 is formed to be inserted into the insertion groove 12A. Combined structure of inner plate and outer plate.