KR200329728Y1 - Automatic hinge unit for an emergency door of the fire shutter - Google Patents

Abstract

More specifically, the present invention has three fixed side hinge knuckles 11, in which fixed side vertical holes 13 are formed in addition to the lower fixed side hinge knuckles 11, and the fixed side fixing plate 15 fixed to the fire shutter. Fixed side hinge plate (10) having movable side and movable side vertical through hole (23) formed thereon and having two stages of movable side hinge knuckles (21) engaged between the fixed side hinge knuckles (11). A movable side hinge plate 20 having a movable side fixing plate 25 fixed to an emergency door and a passage formed of a fixed side vertical through hole 13 and a movable side vertical through hole 23 through the insertion opening 17. Spring 30, which is fixed to the lower side of the fixed side hinge plate 10, the lower hinge pin 40 for supporting the lower end of the spring 30, and the movable side hinge plate by the fixing screw pin 57 A fire door shutter emergency hinge is fixed to the upper side of the 20 and includes an upper hinge pin (50) for supporting the upper end of the spring (30) In the unit (1), the front cover plate (16) for closing the exposed gap between the fixed side hinge knuckle (11) and the movable side hinge knuckle (21) is integrally formed on the front side of the fixed side hinge knuckle (11). It relates to a fire door shutter emergency door automatic hinge unit (1) characterized in that it is formed.

Description

Automatic hinge unit for fire door shutter {{AUTOMATIC HINGE UNIT FOR AN EMERGENCY DOOR OF THE FIRE SHUTTER}

The present invention relates to an automatic hinge unit for fire door shutters, and more specifically, to an automatic hinge for shutter emergency door according to Utility Model Registration No. 157631, which is exposed between a fixed side hinge knuckle and a movable side hinge knuckle. Minimized to prevent the inflow of foreign matter between the gap and at the same time, it relates to a fire door shutter emergency hinge unit having a beautiful appearance.

Utility Model Registration No. 157631 is a self-locking shutter for doors with a sliding door that allows smooth opening and closing, smooth opening and closing, and excellent durability and beautiful appearance.The coil spring is inserted into the hinge pins and inserted into the hinge knuckle. An automatic hinge for automatically closing, having a fixed side hinge knuckle composed of three stages: a fixed side upper hinge knuckle, a fixed side intermediate hinge knuckle, and a fixed side lower hinge knuckle on one side of the fixed side hinge plate. One side has a movable side hinge knuckle consisting of a fixed side upper hinge nut and a movable side lower hinge knuckle, the through hole of the movable side upper hinge knuckle coinciding with the through hole formed in the upper hinge pin is one end of the movable side upper hinge knuckle An automatic hinge for a shutter emergency door is characterized in that it is formed to be invisible from the outside.

However, the shutter emergency door automatic hinge according to Utility Model Registration No. 157631 as described above has three fixed side hinge knuckles and two movable sides when the fixed side hinge plate and the movable side hinge plate are coupled from the front side. Since the gap between the hinge knuckles becomes relatively large, foreign matter such as dust, for example, can be introduced into the gap, which may cause operational problems of the entire emergency door.

In addition, although the aesthetics may look beautiful due to the gap between the three fixed side hinge knuckles and the two movable side hinge knuckles, there is also a problem that the aesthetics may appear too complicated from another viewpoint.

Therefore, the present invention improves the automatic hinge for the shutter emergency door according to the Utility Model Registration No. 157631, minimizing the exposed gap between the fixed side hinge knuckle and the movable side hinge knuckle to prevent the inflow of foreign substances between the gaps. At the same time, it is based on the problem of providing an automatic hinge unit for fire door shutter having a beautiful appearance.

The problem is that the front cover plate is integrally formed on the front side of the fixed side hinge knuckle, so that the front cover plate closes the exposed gap between the fixed side hinge knuckle and the movable side hinge knuckle. Achieved by a hinge unit.

Hereinafter, with reference to the accompanying drawings, it will be described in detail the automatic hinge unit for fire door shutter emergency door according to the present invention.

1 is a front perspective view of an automatic hinge unit for fire door shutter according to the present invention.

Figure 2 is a rear perspective view of the fire door shutter automatic hinge unit according to the present invention.

Figure 3 is an assembly view of the fire door shutter automatic hinge unit according to the present invention.

Figure 4 is a cross-sectional view of the automatic hinge unit for fire door shutter emergency door according to the present invention cut along the line A-A of FIG.

Explanation of symbols on the main parts of the drawings

1: fire door shutter door hinge unit

3: upper overlap part

5: lower support part

10: fixed side hinge plate

11: fixed side hinge knuckle

13: Fixed side vertical through hole

15: fixed side fixing plate

16: front cover plate

17: insertion hole

19: hexagonal fixing groove

20: movable side hinge plate

21: movable side hinge knuckle

23: movable side vertical through hole

25: movable side fixing plate

27: horizontal through

30: spring

40: lower hinge pin

41: spring end support

43: hexagonal fixing protrusion

50: upper hinge pin

51: head groove

53: cross through

55: spring end support

57: set screw pin

Figure 1 shows a front perspective view of the fire door shutter self-locking hinge unit 1 according to the present invention, Figure 2 shows a rear perspective view of the fire door shutter automatic door hinge unit 1 according to the present invention, Figure 3 FIG. 4 illustrates an assembly view of the fire door shutter door hinge unit 1 according to the present invention, and FIG. 4 is a cross-sectional view of the fire door shutter door hinge unit 1 according to the present invention cut along the line AA of FIG. 1. Shows.

As shown in Figures 1 to 4, the fire door shutter emergency hinge unit (1) according to the present invention has a three-stage fixed side hinge knuckle (11) in which a fixed side vertical through hole (13) is formed in addition to the bottom end. And a fixed side hinge plate (10) having fixed side fixing plates (15) fixed to the fire shutter and a movable side vertical through hole (23) formed therebetween, which engages between the fixed side hinge knuckles (11). A movable side hinge plate 20 having a movable side hinge knuckle 21 at the end and having a movable side fixing plate 25 fixed to the emergency door, and a fixed side vertical through hole 13 through the insertion hole 17; A spring 30 inserted into a passage formed by the movable side vertical hole 23, a lower hinge pin 40 fixed to a lower side of the fixed side hinge plate 10 and supporting a lower end of the spring 30; An upper hinge pin fixed to an upper side of the movable side hinge plate 20 by a fixing screw pin 57 and supporting an upper end of the spring 30 ( In the fire door shutter automatic hinge unit comprising a 50), the front side of the fixed side hinge knuckle 11 to close the exposed gap between the fixed side hinge knuckle 11 and the movable side hinge knuckle 21 It is characterized in that the cover plate 16 is formed integrally.

The fixed side hinge plate 10 is fixed to the fire door shutter side, for example, by welding, etc., the hinge plate of the side is fixed without moving even during the opening and closing operation of the emergency door, the lower side fixed side hinge knuckle ( 11) In addition, three fixed side hinge knuckles 11 having fixed side vertical through holes 13, respectively, are formed, and on the other side, the fixed side fixing plate 15 fixed to the fire prevention shutter by, for example, welding or the like. Is formed, the upper side is inserted into the insertion hole 17 on the same straight line with the same size as the fixed side vertical hole 13, the lower fixed side hinge knuckle 11 is formed with a hexagonal fixing groove (19).

The fixed side hinge plate 10 is paired with the movable side hinge plate 20 to form a fire door shutter emergency door automatic hinge unit 1 according to the present invention, the movable side hinge plate 20 is an emergency door As a hinge plate of the side that is fixed to the side, for example, by welding or the like, and is swung according to the opening and closing operation of the emergency door, on one side of the movable side vertical through hole 23 of the same size as the fixed side vertical through hole 13, respectively. It is provided with a two-stage movable side hinge knuckle 21 is engaged between the fixed side hinge knuckles 11, the other side of the movable side fixing plate which is fixed to the emergency door, for example, such as welding ( 25 is formed, a horizontal through-hole 27 is formed on the upper movable side hinge knuckle 21.

As the fixed side hinge plate 10 and the movable side hinge plate 20 are engaged with each other, an upper overlap portion 3 formed on the upper side with the same curved surface as the front cover plate 16 to be described below is formed. In the lower part, the lower support part 5 in the form of a plate is formed. Here, the upper overlapping portion (3) is arranged overlapping with the lower supporting portion (not shown) of the other fire door shutter door hinges arranged in the upper, arranged on the lower supporting portion (5) The upper overlapping parts (not shown) of the other fire door shutter door hinges are arranged to overlap each other. The overlapping configuration of the upper overlapping portion 3 and the lower supporting portion 5 serves to seal the gap between the automatic hinge units, thereby completely shielding the combustion gas and soot in the event of a fire.

In order for the fire door shutter automatic hinge unit 1 according to the present invention to be automatically closed after the emergency door is opened, a restoring force by elasticity is required, and the restoring force by the elasticity is lowered to the fixed side hinge plate 10. By being fixed and the upper end is fixed to the movable side hinge plate 20, it is achieved by the spring 30 to generate a restoring force by elasticity due to torsion upon opening of the emergency door.

The spring 30 is inserted into the passage consisting of the fixed side vertical hole 13 and the movable side vertical hole 23 through the insertion hole 17, the lower side is fixed by the lower hinge pin 40 to be described below It is fixed to the hinge plate 10, the upper end is fixed to the movable side hinge plate 20 by the upper hinge pin (50).

The lower hinge pin 40 for fixing the lower end of the spring 30 to the fixed side hinge plate 10 is provided with a spring end support 41 fixedly engaged with the lower end of the spring 30, The lower part includes a hexagonal fixing protrusion 43 fixed into the hexagonal fixing groove 19 formed in the lowermost fixed side hinge knuckle 11 of the fixed side hinge plate 10.

The upper hinge pin 50 for fixing the upper end of the spring 30 to the movable side hinge plate 20, a head groove 51 is formed in the upper portion, cross-holes 53 are formed in the lower portion, A spring end support 55 engaged with an upper end of the spring 30 and inserted into the horizontal through hole 27 and the cross through hole 53 aligned in a straight line to move the upper hinge pin 50; Fixing screw pin 57 is fixed to the side hinge plate (20).

Here, the horizontal through hole 27 is preferably formed at a position exposed to the rear side in the closed position of the emergency door, for the coupling of the fixing screw pin 57 in the closed position of the emergency door, the horizontal through hole 27 and The cross hole 53 is preferably formed with a screw thread inside the fixing screw pin 57 is inserted and fixed. When the fixing screw pin 57 is fixed, for example, by using a tool such as a driver, the upper head groove 51 is appropriately rotated so that one of the horizontal through holes 27 and the cross through holes 53 are mutually free. The upper hinge pin 50 is fixed to the movable side hinge plate 20 as a result of being positioned in a straight line and then screwing with the fixing screw pin 57.

The above-described configuration is the same as the configuration of the automatic hinge for the shutter emergency door according to the Utility Model Registration No. 157631, but the fire door shutter emergency door automatic hinge unit 1 according to the present invention is the front of the fixed side hinge knuckle 11 The front cover plate 16, which closes the exposed gap between the fixed side hinge knuckle 11 and the movable side hinge knuckle 21, is integrally formed on the side.

In the configuration of the automatic hinge for the shutter emergency door according to the Utility Model Registration No. 157631, two stages of the three-stage fixed side hinge knuckle 11 of the fixed side hinge plate 10 and the movable side hinge plate 20 In a state where the movable side hinge knuckle 21 is engaged and fixed, a gap is exposed between the fixed side hinge knuckle 11 and the movable side hinge knuckle 21 to the front side, through which the dust, for example, The ingress of foreign objects can cause problems for emergency door opening and closing operations.

However, in the structure of the fire door shutter emergency door automatic hinge unit 1 according to the present invention, the front cover plate 16 is integrally formed on the front side of the fixed side hinge knuckle 11, the front cover plate 16 ) Covers the gap between the fixed side hinge knuckle 11 and the movable side hinge knuckle 21, which was exposed to the front side, so that foreign matter, such as dust, can be prevented from flowing into the gap.

The front cover plate 16 is movable in two stages to the three-stage fixed side hinge knuckle 11, that is, the movable side hinge plate 20 with respect to the fixed side hinge plate 10 when the emergency door is opened and closed. It is preferable to form a curved surface having a curvature corresponding to the turning movement toward the front side so that the turning movement of the side hinge knuckle 21 may occur naturally.

In addition, the front cover plate 16 is movable with the fixed side hinge knuckle 11, which looks relatively complicated by the engagement of the three-stage fixed side hinge knuckle 11 and the two-stage movable side hinge knuckle 21 in the closed position of the emergency door. It also serves to block the gap between the side hinge knuckles 21 so that it is not visible to the outside in the closed position of the emergency door.

Therefore, the fire door shutter emergency door automatic hinge unit according to the present invention as described above to minimize the exposed gap between the fixed side hinge knuckle and the movable side hinge knuckle to prevent the inflow of foreign matter between the gap and the beautiful appearance It has an excellent effect.

Claims (1)

In addition to the lowermost fixed side hinge knuckle (11), the fixed side hinge having three fixed side hinge knuckles (11), each of which has a fixed side vertical through hole (13), and a fixed side fixing plate (15) fixed to the fire shutter. Movable side which is provided with plate 10 and two movable side hinge knuckles 21 which are respectively formed with movable side vertical through holes 23 and engaged between the fixed side hinge knuckles 11 and fixed to the emergency door. A movable side hinge plate (20) having a fixed plate (25), a spring (30) inserted into a passage consisting of a fixed side vertical hole (13) and a movable side vertical hole (23) through the insertion hole (17); The lower hinge pin 40 is fixed to the lower side of the fixed side hinge plate 10 and supports the lower end of the spring 30, and the upper side of the movable side hinge plate 20 by the fixing screw pin 57. In the fire door shutter automatic hinge unit is fixed and comprises an upper hinge pin (50) for supporting the top of the spring (30), The front side of the fixed side hinge knuckle 11 is a fire prevention, characterized in that the front cover plate 16 is integrally formed to close the exposed gap between the fixed side hinge knuckle 11 and the movable side hinge knuckle 21; Automatic hinge unit for shutter emergency door.