KR200465325Y1

KR200465325Y1 - frame of fire door

Info

Publication number: KR200465325Y1
Application number: KR2020110007212U
Authority: KR
Inventors: 백중기
Original assignee: 주식회사 중용
Priority date: 2011-08-09
Filing date: 2011-08-09
Publication date: 2013-02-13

Abstract

The present invention is to combine the fixed bar coupled to the frame to support the rigidity of the fire door frame to the frame by the fitting method of the projection and the grooves, not welding, so as to facilitate the coupling work between the fixed bar and the frame, It is expected to improve workability by combining the anchor wing by easy fitting method, not by riveting coupling, and greatly improves the assembly and workability of fire door frame by combining the hook cover which is coupled to the frame by simple fitting method rather than welding work. To provide a fire door frame that can be expected to improve productivity as well as workability and work efficiency.
To this end, the present invention, in the fire door frame 10, the fire door is located on the front side and the two vertical parts 11, 11 are bent on the rear, two vertical parts bent on the back of the fire door frame 10 Each of the fixing grooves 12 and 12 corresponding to each other is formed in each of the fixing bars 12 and 12, and the fixing bars 20 coupled to the fixing grooves 12 and 12 are further provided. On both sides of the fixing protrusions (12) and (21) are inserted into the fixing grooves 12, 12 are respectively fixed, the fixing grooves 12, 12 are fixed projections (20) of the fixing bar (20) 21 is fitted into the fitting portion 12a, and extending to the lower side of the fitting portion 12a is made of a fastening portion 12b to which the fixing projection 21 fitted to the fitting portion 12a is lowered and fastened.
On both sides of the fixing bar 20, 'T' type hanger holes 22 and 22 are further through, respectively.
An anchor wing 30 formed on one side of the 'T' type coupling pieces 31 respectively coupled to the 'T' type hanger holes 22 and 22 of the fixing bar 20 is further provided.
The hook door 13 is further through the fire door frame 10, and the hook cover 40 is further coupled to the inside of the rear surface of the fire door frame 10 through which the hook hole 13 is open. A coupling hole 14 is further formed in the vertical portion 11 of the rear side of the fire door frame 10, and the hook cover 40 is further provided with a coupling protrusion 41 that is fitted into the coupling hole 14 and is coupled thereto. The coupling between the hook cover 40 and the fire door frame 10 is made by fitting rather than welding.

Description

Fire door frame {frame of fire door}

The present invention relates to a fire door frame, and more particularly, the fixing bar provided on the frame to support the frame is configured by fitting the protrusion by the projection and the groove instead of the welding work on the frame so that the coupling bar and the frame can be easily combined. In addition, the anchor bar is coupled to the fixing bar by an easy fitting method rather than a riveting method, and the workability is expected to be improved. The hook cover coupled to the frame is combined by a simple fitting method rather than welding to assemble the fire door frame. And a fire door frame capable of greatly improving workability.

In general, fire doors are doors that legally use non-combustible materials in order to prevent the spread of fire in the case of fires, so most fire doors are made of steel to satisfy these requirements.

The frame corresponding to the door frame of the fire door is made by assembling four steel sheets by bending and connecting the hinges connected to other fire doors, and a number of detailed processes such as inserting a bunch of cylinders are made.

Briefly describing the manufacturing process of the frame for the fire door, the fire door frame is produced by a step of pressing the iron plate, the fire door door frame is bent in this way in the horizontal direction from the back of the frame for the rigidity of the fire door frame The fixed bar is combined.

As such, the structure in which the fixing bar is coupled to the fire door frame is positioned in contact with the fixing bars at the two vertical portions that are bent on both sides of the rear surface of the fire door frame, and fixed by welding.

The fire door frame and the fixed bar combined as described above are finished by plastering after fixing to Taka or a means for granting its function to the fixed bar back to the structure such as office door or apartment front door.

Thus, in the process of combining the fixing bar to the conventional fire door frame by welding the fixing bar to the two vertical parts bent on both sides of the rear of the fire door frame by welding, not only careful attention but also skilled technicians are required. There was a problem that the increase and expenses increase.

In addition, the joining due to the welding may deform the shape and the fixed bar of the fire door by heat in the process of fixing, in particular in the case of the fire door is formed of a color color is changed to the portion where the welding is made to replace or altered parts There was a problem that the separate painting work.

As described above, in order to solve the problems caused by welding the fixed bar to the fire door frame by the welding operation, the registration means of the fire door frame, registered utility model No. 20-0436643 has been devised.

In the prior art, a first vertical member and a second vertical member are respectively formed on the rear surface of the fire door frame to fix the fire door frame to a wall or a structure such as an office door or an apartment entrance door. (2) A fixing means for a fire door frame having a fixed bar provided with a moving bar in a vertical direction in a horizontal direction, wherein the fastening bar is interposed between the first vertical member and the second vertical member of the fire door frame. The lower end is supported on the inner circumferential surface of the fire door frame by selecting a bolt or a means for granting its function, and the fixing bar is coupled to the step of the upper head.

Accordingly, the problem caused by the welding work can be solved by fixing the fixing bar by bolts or screws instead of welding, but work by tightening the fixing bar by tightening the fixing bar in a narrow space with a screw or bolt to the fire door frame. Of course, there is a problem that productivity is greatly reduced.

In addition, since a plurality of fixing bars are to be installed in the fire door frame, the fastening structure of the fixing bars by screws or bolts requires a lot of working time, and thus there is a problem in that work efficiency is greatly reduced.

In addition, the fire door frame is provided with a hook hole through which the hook device of the fire door is fastened, and a separate hook cover is further configured to prevent foreign substances such as concrete from entering into the hook hole, and the conventional hook cover is also welded to the fire door frame. Since welding is performed by work, there is a problem that work efficiency is greatly reduced by welding work in a narrow space as well as delay of work time.

The present invention was conceived to solve the problems of the conventional fire door frame, and each of the two vertical projections on both sides of the fixed bar coupled to the horizontal direction on the rear side of the frame, and bent on both sides of the rear of the frame To form a fixing groove into which the fixing projections of the fixing bar are fitted, the shape of the fixing groove is formed by the fitting portion and the fastening portion, so that the fixing bar can be easily coupled to the frame and protrudes the coupling protrusion on the hook cover. The purpose is to provide a fire door frame that can be expected to improve workability and work efficiency as well as productivity by drilling the coupling hole in the frame of the part to which the hook cover is coupled so that the hook cover can be combined by a simple fitting method rather than welding. have.

As a means for achieving the above object, the fire door frame according to the present invention is a fire door frame having a fire door positioned at a front side and two vertical portions bent at a rear side thereof, and corresponding to two vertical portions bent at a rear side of the fire door frame. Fixing grooves are respectively formed, and the fixing bar is further provided to be coupled to the fixing groove, the fixing projections are fitted into the fixing grooves on both sides of the fixing bar, respectively, the fixing groove is the fixing protrusion of the fixing bar The fitting portion to be fitted, and the fastening portion is extended to the lower side of the fitting portion and the fixing projections fitted to the fitting portion is lowered and fixedly fastened.

Both sides of the fixing bar is further provided with a 'T' type hook hole, and an anchor wing having a 'T' type coupling piece respectively coupled to the 'T' type hook hole of the fixing bar is further provided. Is done.

In addition, the hook door is further through the fire door frame, the hook cover is further coupled to the inside of the rear of the fire door frame through the hook hole, the coupling hole is further through the fire door frame rear vertical portion where the hook hole is located, The rear side of the hook cover is further protruded into the engaging projection coupled to the coupling hole is coupled to the hook cover and the fire door frame is made by fitting rather than welding.

The present invention is to combine the fixed bar coupled to the frame to support the rigidity of the fire door frame to the frame by the fitting method of the projection and the grooves, not welding, so as to facilitate the coupling work between the fixed bar and the frame, It is expected to improve workability by combining the anchor wing by easy fitting method, not by riveting coupling, and greatly improves the assembly and workability of fire door frame by combining the hook cover which is coupled to the frame by simple fitting method rather than welding work. In addition, productivity and work efficiency can be expected as well.

1 is a perspective view showing a fire door frame of the present invention.
Figure 2 is a perspective view showing the main components of the fire door frame of the present invention.
Figure 3 is an exploded perspective view showing a coupling state of the main components of the fire door frame of the present invention.
Figure 4 is an exploded perspective view showing a coupling state of the hook cover of the fire door frame of the present invention.
Figure 5 is a cross-sectional view showing a coupling state of the hook cover of the fire door frame of the present invention.

Hereinafter, the structure and operation of the present invention will be described in more detail with reference to the accompanying drawings. In describing the present invention, the terms or words used in the present specification and claims are to be construed in accordance with the spirit of the present invention, on the basis that the inventor can properly define the concept of a term in order to best illustrate its own design It should be construed as meaning and concept consistent with the technical idea of.

As shown, the fire door frame according to the present invention relates to a fire door frame 10 in which a fire door is positioned at the front side and two vertical portions 11 and 11 are bent at the rear side.

The present invention is to achieve the improvement of workability and work efficiency by combining the fixing bar 20 to the fire door frame 10 in a fitting coupling method rather than a welding operation.

To this end, the present invention, fixing grooves 12 and 12 corresponding to each other are formed in the two vertical portions 11 and 11 that are bent at the rear of the fire door frame 10, the fixing groove 12 Fixing bar 20 is further provided to be coupled to (12), the fixing protrusions (21) (21) to be fitted into the fixing grooves (12) (12) fixed to both sides of the fixing bar (20), respectively, The fixing grooves 12 and 12 extend toward the lower side of the fitting portion 12a into which the fixing protrusion 21 of the fixing bar 20 is fitted, and the fitting portion 12a. The fixing protrusion 21 inserted in the lower portion is made of a fastening portion 12b fixedly fastened.

The present invention configured as described above is fixed bar 20 by fitting the fixing projections 21 protruding on both sides of the fixing bar 20 into the fixing groove 12 formed in the vertical portion 11 of the frame 10. ) Is coupled to the frame 10 in a simple fitting manner rather than welding.

That is, in the state where the fixing bar 20 is located inside the vertical parts 11 and 11 bent to the rear of the frame 10, the fixing protrusion 21 of the fixing bar 20 is fixed to the fixing groove 12. Inserted first to the fitting portion (12a) to form a, then lowering the fixing bar 20 strongly downward, the fixing projection 21 of the fixing bar 20 is located in the fitting portion (12a) is fitted It is inserted and fitted into the fastening part 12b extending to the lower side of the 12a.

As such, the fixing bar 20 can be fitted to the frame 10 by a simple fitting method, thereby solving the problem caused when the fixing bar and the frame are combined by a conventional welding operation.

'T' type hook holes 22 and 22 are further formed through the both sides of the fixing bar 20, respectively, in the 'T' type hook holes 22 and 22 of the fixing bar 20, respectively. An anchor wing 30 formed on one side of the 'T' type coupling piece 31 to be coupled is further provided.

Therefore, the work efficiency is greatly improved by combining the anchor wing and the fixing bar by an easy and simple fitting method instead of the riveting coupling, and the hook holes 22 and 22 which are perforated on both sides of the fixing bar 20 are provided. Since the engaging pieces 31 of the anchor blades 30 fitted to the 22 and 22 parts are formed in the same 'T' shape, easy coupling as well as solid support after the coupling are possible.

In addition, the present invention, the hook hole 13 is further through the fire door frame 10, the hook cover 40 is further coupled to the inside of the rear of the fire door frame 10 through the hook hole 13 is further coupled, A coupling hole 14 is further formed in the vertical portion 11 of the rear door 11 of the fire door frame 10 in which the hook hole 13 is positioned, and the coupling protrusion is fitted into the coupling hole 14 in the hook cover 40. 41 is further protruded, the coupling between the hook cover 40 and the fire door frame 10 is made by fitting rather than welding.

Therefore, the hook cover 40 can also be firmly coupled to the frame 10 by fitting rather than welding, thereby greatly improving workability and productivity as well as assembly.

In addition, since the hook cover 40 is detachable from the fire door frame 10, if the position of the hook cover 40 is not correct at the time of work, the hook cover 40 can be directly adjusted by repositioning the hook cover 40. This greatly improves work efficiency.

In addition, the present invention, the inner and upper and lower portions of the hook hole 13 of the frame 10 to which the hook cover 40 is coupled, the coupling piece extending from the frame 10 forming the hook hole 13 15 is further provided.

At this time, the coupling piece 15 is integrally extended from the frame 10 forming the hook hole 13 is formed bent in the inner direction of the hook hole (13).

The coupling piece 15, the cylinder bar of the fire door is coupled, conventionally the coupling pieces are coupled to the inner side of the hole by the welding operation, there is a problem that the welding site is falling or difficult to combine, the present invention is a coupling piece It is not necessary to further engage the joining piece 15 by a welding operation by integrally extending and bending from the frame 10 forming the hook hole 13 of (15).

As described above, the present invention has been described with reference to a preferred embodiment of the present invention as being capable of various modifications, but the present invention is not limited to such an embodiment, and the embodiments are simply combined with the existing known art. Together with the claims and the detailed description of the present invention, it should be seen that the techniques that can be used by those skilled in the art to which the present invention pertains are naturally included in the technical scope of the present invention.

10 frame 11 vertical portion
12: fixing groove 12a: fitting portion
12b: fastening portion 13: hook hole
14: coupling hole 15: coupling piece
20: fixing bar 21: fixing protrusion
22: hook hole
30: Anchor wing 31: Combination piece
40: hook cover 41: engaging projection

Claims

In the fire door frame 10 in which the fire door is positioned in the front and two vertical parts 11 and 11 are bent in the rear,
Fixing grooves 12 and 12 corresponding to each other are formed in the two vertical parts 11 and 11 that are bent at the rear of the fire door frame 10,
The fixing bar 20 is further provided to be coupled to the fixing groove 12, 12,
Fixing protrusions 21 and 21 which are inserted into and fixed to the fixing grooves 12 and 12 are respectively protruded from both sides of the fixing bar 20,
The fixing grooves 12 and 12 extend to the fitting portion 12a into which the fixing protrusion 21 of the fixing bar 20 is fitted, and to the lower side of the fitting portion 12a, to the fitting portion 12a. Fire door frame, characterized in that consisting of a fastening portion (12b) is fixed to the fixed projections 21 are fitted down.

The method according to claim 1,
On both sides of the fixing bar 20, 'T' type hanger holes 22 and 22 are further through, respectively.
An anchor wing 30 formed on one side of the 'T' type engaging pieces 31 respectively coupled to the 'T' type hanger holes 22 and 22 of the fixing bar 20 is further provided. Fire door frame.

The method according to claim 1,
The fire door frame 10 is further through the hook hole 13,
The hook cover 40 is further coupled to the inside of the rear side of the fire door frame 10 through which the hook hole 13 is opened,
The coupling hole 14 is further formed through the vertical portion 11 of the rear side of the fire door frame 10 in which the hook hole 13 is located.
The hook cover 40 is further protruded from the engaging projection 41 is inserted into the coupling hole (14)
Fire door frame, characterized in that the coupling of the hook cover 40 and the fire door frame 10 is made by fitting rather than welding.

The method according to claim 3,
The inner and upper portions of the hook hole 13 of the frame 10 to which the hook cover 40 is coupled are further provided with a coupling piece 15 extending from the frame 10 forming the hook hole 13. But
The engaging piece (15) is a fire door frame, characterized in that formed integrally extending from the frame (10) forming the hook hole (13) is bent in the inward direction of the hook hole (13).