KR101259521B1 - Apparatus for implementing curved opening / closing lines of fire screen shutters that open and close vertically - Google Patents

Abstract

The present invention relates to a device for implementing the curved opening and closing line of the fire screen shutter, which can be applied when the vertical opening and closing line of the screen shutter is curved, the drive shaft of the straight line that can be reversely rotated by the drive of the motor The end of each of the divided drive shafts are divided into universal joints so that the drive shafts are rotated forward and backward in a deflected state by the universal joints, and the start end of the main screens are wound around the divided drive shafts. Torsional return by spring between the divided drive shafts in order to close and unwind in the vertical direction by the forward and reverse rotation of the drive shaft and to close the gap between the main screens caused by the universal joint connecting the divided drive shafts. Reverse rotation through the fixing ring on the fixed shaft with the means Each of the auxiliary screen winding drums is installed, and each of the auxiliary screen winding drums is wound around the start end of the auxiliary screen so that the auxiliary screen is wound and unwound vertically by the forward and reverse rotation of the auxiliary screen winding drum. By connecting the end of the screen to the "T" shaped bar, the winding and unwinding of the main screen and the auxiliary screen are synchronized, and the driving shaft is rotated forward by the driving of the motor, and the main screen and the auxiliary screen winding drum wound on each driving shaft are rotated. As the auxiliary screen wound up is released, the screen shutter composed of the main screen and the auxiliary screen is closed by the "T" shaped bar, and the tension is accumulated in the auxiliary screen winding drum by the torsion return means when the auxiliary screen is lowered. The drive shaft is reversely rotated by the drive of the motor and wound around each drive shaft. The main screen and the sub-screen wound on the sub-screen winding drum are simultaneously wound up by the "T" shaped bar to open the screen shutter composed of the main screen and the sub-screen, and the rise of the sub-screen is accumulated by the torsion return means. The auxiliary screen winding drum is reversely rotated by the tensile force, and the auxiliary screen is configured to be wound.

Description

Apparatus for implementing curved opening / closing line of fire screen shutter which is opened and closed vertically {omit}

The present invention relates to a fireproof screen shutter that is opened and closed in a vertical direction, and more particularly, to an apparatus for implementing a curved opening and closing line of a fireproof screen shutter that is vertically opened and closed to open or close a vertical or vertical line of the screen shutter in a curved or circular manner. It is about.

In general, fire screen shutters are shutters that can block smoke and flames.In case of a fire, the fire screen shutter ensures the evacuation time of those evacuating the building and prevents the flames from spreading and moving across the building. It is a shutter made to withstand more than a certain time, and is used for forming a fire compartment with a fireproof wall and a fire door.

Most of the fire screen shutters are vertically lifted structure, i.e., a drum wound the screen shutter is installed on the upper part of the frame and the drum is rotated by the motor in case of fire. As it is lowered to the floor, the passage blocks the passage to prevent the transfer of smoke or flame, but the structure is such that the drum is composed of a straight rod and the shutter is unfolded in a plane like a blind awning. It is applicable to the general installation place, but there is a limit that cannot be applied, for example, if the building fire zone is curved.

Korean Fire Patent No. 10-0983342 discloses a fire protection screen shutter having a curved opening and closing trajectory, which can be applied when the opening and closing line of the screen shutter is curved. This technology is characterized by adopting the opening and closing method of the screen shutter in the horizontal direction as if opening and closing the stage in the horizontal direction (horizontal direction). Is implemented. In the case of this technology, due to the horizontal opening and closing structure of the screen shutter, it is necessary to install a plurality of upper and lower track guide rails and shutter support rollers, and to fold the screen shutter in the open state and the driving unit for driving the screen shutter. By installing a housing for storing it on the side wall of the building to make it invisible from the outside, it occupies a lot of space, which is not good for the space utilization of the building, and further, it takes a lot of components and is not economical.

Therefore, by enabling the opening and closing line of the fire screen shutter to be opened and closed in a good vertical direction of the space utilization of the building with a curved surface, a new technology is required that simplifies the installation structure with space utilization by not making a big change in the existing installation method. have.

The present invention has been made to solve the problems of the prior art as described above, in order to implement a curved opening and closing line of the fire screen screen shutter vertically open and close the drive shaft of the straight line winding the screen shutter in several and each By connecting the divided drive shaft of the universal joint to be rotated in a refracted state, and install the main screen for each of the divided drive shafts and the screen shutter by installing an auxiliary screen to close the space generated by the divided universal joint It is to provide an apparatus for implementing a curved opening and closing line of the fire screen shutter is opened and closed in the vertical direction to realize the curved surface of the screen shutter is opened and closed in the vertical direction by forming a.

In order to solve the problems of the present invention, a linear drive shaft capable of forward and reverse rotation by driving a motor is divided into several parts, and the ends of the divided drive shafts are connected to the universal joints so that the drive shafts are deflected by the universal joints. And a universal joint for winding the front end of the main screen for each of the divided drive shafts so that the main screen is wound and unwound vertically by the forward and reverse rotation of the drive shaft, and connecting the divided drive shafts. In order to close the gap between the main screens generated by the installed between the drive shaft divided by the spring torsion return means is installed on the fixed shaft through the fixing ring, respectively, the auxiliary screen winding drum which can be reversely rotated, and each of the auxiliary screen winding The auxiliary screen is wound around the drum by winding the start end of the auxiliary screen. Winding and unwinding in the vertical direction by the forward and reverse rotation of the auxiliary screen winding drum, and the winding and unwinding of the main screen and the auxiliary screen is formed synchronously by connecting the end portion of the main screen and the auxiliary screen directly to the "T" shape, As the drive shaft rotates forward by the driving of the motor, the main screen wound on each drive shaft and the auxiliary screen wound on the auxiliary screen winding drum are released, and the screen shutter composed of the main screen and the auxiliary screen is simultaneously lowered by the "T" bar. When the auxiliary screen is lowered, the tension is accumulated in the auxiliary screen winding drum by the torsion return means, and the driving shaft is reversely rotated by the driving of the motor so that the main screen and the auxiliary screen winding drum wound on each driving shaft are closed. As the auxiliary screen wound up is wound up, it is raised simultaneously by the "T" bar and the main screen and A shutter screen consisting of screen tank being gaebangdoe, rising of the second screen is characterized in that it is configured to be a secondary screen roll-up drum rotating by the accumulated force of the torsion return means the take-up secondary screen.

The torsion return means is a tension coil spring, one end of the tension coil spring is fixed to the fixed shaft and the other end is installed in the auxiliary screen winding drum is installed through a fixed ring rotating forward and backward with the auxiliary screen winding drum. It is done.

The universal joint is connected via a bearing installed at the end of the drive shaft.

According to the device for implementing the curved opening and closing line of the fire screen screen shutter which is opened and closed in the vertical direction of the present invention, in the curved state of the drive shaft by dividing the straight drive shaft into several and connecting it to the universal joint that can be refracted at a predetermined angle Reverse rotation is possible, and the main screen is installed on the drive shaft, and the auxiliary screen is installed on the auxiliary screen winding drum having the rotation accumulation of the torsion return means to prevent the gap between the drive shafts. By connecting the sub screen with the auxiliary screen, one screen shutter can be configured to allow the screen shutter to be closed and opened in the vertical direction so that the screen shutter can be curved without major change to the existing installation method. Shorten the construction period by simplifying the structure, and further manufacture according to the installation The cost is greatly reduced.

In addition, the opening and closing line of the screen shutter is formed to be refracted through the universal joint, so that not only curved but also circular, the opening and closing line of the screen fire shutter has various effects.

1 is a conceptual plan view of connecting the universal joint between the drive shafts for the curvature of the drive shafts of the present invention and the auxiliary screen winding drums arranged to prevent gaps between the drive shafts.
Figure 2 is a front view illustrating the installed state of the main screen and the auxiliary screen installed on the auxiliary screen winding drum of the drive shaft and the fixed shaft of the present invention.
3 is a detailed view of the auxiliary screen winding drum formed through the driving shaft and the fixed shaft shown in FIG.
4 is a side view of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be construed in the ordinary and dictionary sense, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.

1 is a conceptual plan view of connecting a universal joint between drive shafts and arranging an auxiliary screen winding drum to prevent a gap between the drive shafts for curved surface of the drive shaft of the present invention, and FIG. 4 is a front view illustrating an installed state of a main screen and an auxiliary screen installed in the auxiliary screen winding drum of the fixed shaft, and FIG. 3 is a detailed view of the auxiliary screen winding drum formed through the driving shaft and the fixed shaft shown in FIG. Illustrates a side view of FIG. 2.

In the present invention, the core task of curved the opening and closing line of the fire screen shutter opening and closing in the vertical direction is in the drive shaft (10).

In order to solve this problem, a straight drive shaft 10 is divided into a plurality as shown in FIG. 1, and the end of each divided drive shaft 10 is connected to the universal joint 20 to drive the shaft 10. ) Can be rotated forward and backward in a state that is refracted by the universal joint (20). The universal joint 20 may be composed of a common yoke joint and a spider. Accordingly, the drive shaft 10 connected through the universal joint 20 may be synchronously rotated at an angle of refraction.

As described above, the drive shaft 10 connected through the universal joint 20 is connected to the motor 40 and the chain 42 to one side as shown in FIG. 5 so that forward and reverse rotation is possible.

As shown in FIGS. 1 to 4, the main screen 12 is wound and unwound vertically by forward and reverse rotation of the drive shaft 10 by winding the start end of the main screen 12 for each of the divided drive shafts 10. do. The main screen 12 is made of a refractory fabric.

As shown in FIG. 3, the universal joint 20 is connected through a bearing 22 installed at an end of the drive shaft 10, and a bearing bracket 24 installed at the bearing 22 is mounted on a ceiling to provide the drive shaft ( 10) Support.

As shown in FIG. 1, a main screen 12 is provided for each of the gaps S generated by the universal joint 20 connecting the divided drive shafts 10, that is, the divided drive shafts 10, respectively. A gap S is generated between the main screen 12 and the main screen 12, and the torsion return means 30 is fixed by a spring between the drive shafts 10 divided to close the gap S. Auxiliary screen winding drums 34 capable of forward and reverse rotation are respectively installed on the shaft 32, and the auxiliary screen 36 is wound around the auxiliary screen 36 by winding the start end portions of the auxiliary screens 36 on the auxiliary screen winding drums 34, respectively. The drum 34 is installed to be wound and unwind in the vertical direction by the forward and reverse rotation. The auxiliary screen 36 is made of a refractory fabric of the same material together with the main screen 12. Accordingly, the auxiliary screen 36 overlaps the main screen 12 and the main screen 12 to close the gap S.

The distal end of the main screen 12 and the sub-screen 36 are connected to the T-shaped bar 26 as shown in FIGS. 2 and 4 so that the winding and unwinding of the main screen 12 and the sub-screen 36 are synchronized. Is formed. In addition, by connecting the distal end of the main screen 12 and the sub-screen 36 to the "T" shaped bar 26 as shown in Figures 2 and 4, the sub-screen 36 is the main screen 12 and the main screen ( 12) in contact with each other at the overlapped parts.

In the "T" shaped bar 26, the "L" shaped bar is sandwiched as shown in FIG. 4, and the end portions of the main screen 12 and the auxiliary screen 36 are inserted in the center and fixed by fixing means such as bolts or rivets. will be.

3, the torsion return means 30 is a tension coil spring, one end 31 of the tension coil spring is fixed to the fixed shaft 32 and the other end 33 is inside the auxiliary screen winding drum 34. It is installed through the fixing ring 38 that rotates forward and backward with the auxiliary screen winding drum (34). Accordingly, when the auxiliary screen winding drum 34 rotates forward, the tension coil of the tension coil spring of the torsion return means 30 accumulates, and conversely, when the auxiliary screen winding drum 34 reversely rotates, the accumulated tension force is restored. .

In the fixed ring 38, the outer side (outer diameter) is fixed to the both sides of the auxiliary screen winding drum 34, the inner side (inner diameter) is inserted into the fixed shaft 32 is rotatably installed secondary screen winding It is configured to forward and reverse rotation together with the forward and reverse rotation of the drum 34.

The fixed shaft 32 is fixedly installed and supported by an installation bracket 35 installed on the ceiling, and rotatably supports the auxiliary screen winding drum 34.

When the driving shaft 10 rotates forward by the driving of the motor 40, the main screen 12 wound around each driving shaft 10 and the auxiliary screen 36 wound around the auxiliary screen winding drum 34 are While being released, the screen shutter 50 composed of the main screen 12 and the sub screen 36 is closed by being simultaneously lowered by the “T” bar 26. At this time, the tension is accumulated in the auxiliary screen winding drum 34 by the torsion return means 30 when the auxiliary screen 36 is lowered.

As the drive shaft 10 is connected to the universal joint 20 as described above, the drive shaft 10 is rotated in a refracted state so that the main screen 12 installed thereon is refracted to form a screen shutter ( The opening and closing lines of 50) form a curved surface. In addition, the opening and closing lines of the screen shutter 50 may be curved to form a curved or circular shape.

As described above, the screen shutter 50 maintains a vertical position by the weight of the “T” shaped bar 26 installed at the distal end of the screen shutter 50, and both sides of the screen shutter 50 are shown in FIG. 2. And as shown in Figure 4 is lowered while receiving the guide of the guide rail (37) installed perpendicular to the building.

When the screen shutter 50 composed of the main screen 12 and the sub screen 36 descends to close the fire zone, the lower end of the main screen 12 and the sub screen 36 is a “T” shaped bar 26. The main screen 12 and the sub-screen 36 are kept in close contact with each other by the weight of the "T" shaped bar 26 to block smoke and flames in the fire zone.

Subsequently, when the driving shaft 10 is reversely rotated by the driving of the motor 40, the auxiliary screen 36 wound around the main screen 12 and the auxiliary screen winding drum 34 wound around each driving shaft 10. The screen shutter 50 made up of the main screen 12 and the sub-screen 36 is simultaneously opened by the " T " bar 26 while winding. At this time, as the auxiliary screen 36 is raised, the auxiliary screen winding drum 34 is reversely rotated by the accumulated tensile force of the torsion return means 30 to wind the auxiliary screen 36.

In the above, the falling signal of the screen shutter 50 is made by the forward rotation drive of the motor 40 is electrically connected to the fire signal received from the conventional interlocking controller (not shown) in accordance with the fire occurs. After the fire is finished, the screen shutter 50 is raised by the reverse rotation driving of the motor 40 electrically connected thereto according to the operation of a conventional controller (not shown).

10: drive shaft
12: main screen
20: Universal Joint
22: bearing
24: bearing bracket
26: "T" shaped bar
30: torsion return means (tension coil spring)
31: One end of the torsion return means
32: fixed shaft
33: the other end of the torsion return means
34: auxiliary screen winding drum
35: mounting bracket
36: auxiliary screen
37: guide rail
38: retaining ring
40: motor
42: chain
50: screen shutter
S: clearance

Claims (3)

The drive shaft 10 is divided into a plurality of linear drive shafts that can be reversely rotated by the driving of the motor 40, and the ends of the divided drive shafts 10 are connected to the universal joints 20 to drive the shafts 10. ) Rotates forward and backward in a state refracted by the universal joint 20, and the main screen 12 is wound up and down of the drive shaft 10 by winding the start end of the main screen 12 for each of the divided drive shafts 10. The drive shaft is divided in order to be wound and unwind in the vertical direction by rotation, and to close the gap S between the main screens 12 generated by the universal joint 20 connecting the divided drive shafts 10. (10) between the auxiliary screen winding drum (34), which can be reversely rotated through the fixing ring (38), on the fixed shaft (32) provided with the torsion return means (30) between the springs, and the respective auxiliary screen winding drums. City of auxiliary screen 36 to 34 Winding of the part so that the auxiliary screen 36 is wound and unwind in the vertical direction by the forward and reverse rotation of the auxiliary screen winding drum 34, the distal end of the main screen 12 and the auxiliary screen 36 "T" shaped bar By connecting to the 26 and the winding and unwinding of the main screen 12 and the auxiliary screen 36 is formed synchronously, the drive shaft 10 is rotated forward by the drive of the motor 40, each drive shaft 10 The main screen 12 and the sub-screen winding drum 34 wound on the main screen 12 and the sub-screen winding (34) is released and simultaneously lowered by the "T" shaped bar 26 to the main screen 12 and the sub-screen 36 The screen shutter 50 is closed, and the tension is accumulated in the auxiliary screen winding drum 34 by the torsion return means 30 when the auxiliary screen 36 descends, and the motor 40 is driven. By the drive shaft 10 is rotated in reverse by the main screen 12 wound around each drive shaft 10 and As the auxiliary screen 36 wound around the screen winding drum 34 is wound up by the "T" shaped bar 26, the screen shutter 50 made up of the main screen 12 and the auxiliary screen 36 is The opening of the auxiliary screen 36 is increased in the vertical direction, characterized in that the auxiliary screen winding drum 34 is reversely rotated by the accumulated tensile force of the torsion return means 30 so that the auxiliary screen 36 is wound. Apparatus for implementing a curved opening and closing line of the fire screen shutter to be opened and closed by. The method according to claim 1,
The torsion return means 30 is a tension coil spring, one end 31 of the tension coil spring is fixed to the fixed shaft 32 and the other end 33 is installed inside the auxiliary screen winding drum 34 to support the auxiliary screen. Apparatus for implementing a curved opening and closing line of the fire screen shutter vertically opening and closing, characterized in that it is installed through the fixing ring 38 to forward and reverse rotation with the winding drum (34). The method according to claim 1,
The universal joint (20) is a device for implementing a curved opening and closing line of the fire screen shutter vertically opening and closing, characterized in that connected via a bearing 22 installed on the end of the drive shaft (10).

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