JP2003301655A - Smoke shut-out door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a smoke shut-out door device having an improved airtight sealing performance and capable of smoothly shifting the door to a closed state when a fire occurs. <P>SOLUTION: The smoke shut-out door device for shutting an opening of a frame body by moving from a storage portion in a lateral direction comprises; upper and lower stages of rails extending in a lateral direction provided at the storage portion and at the upper portion of the opening portion, a front and a rear suspension wheels each running one of the upper and lower stage rails; smoke shut-out door main bodies supported by the front and rear suspension wheels; and a sealing member installed at one side of facing surfaces mutually facing each other at the vicinity of the opening and the door main body to be got into contact with the other side to airtightly seal the gap between facing surfaces with a sealing member. The device is further provided with; a bend portion in the horizontal direction moving in an approaching direction between the facing surfaces when the smoke shut-out door main body travels to the closing state; and a sloped portion in a vertical direction descending to a floor surface of the opening portion. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smoke shielding door device for shielding an opening of a building such as a building.

[0002]

2. Description of the Related Art At a frame opening of a building or the like, for example, a passage in a building, an entrance of an elevator, or the like, there is provided a sliding door type smoke-shielding door device which runs laterally in order to block smoke in case of fire. Has already been developed.

[0003]

However, in the conventional smoke-proof door device, the airtightness between the opening and the smoke-proof door-main body is not sufficient, so that smoke is not formed between the opening and the smoke-proof door-main body. Leakage from the gap occurred, and it took time to detect the smoke at the time of fire and to shield the opening by the smoke shield door, resulting in an accident that the smoke could not reach the opening in time. There is.

In the present invention, the problem of airtightness between the opening of the conventional smoke-shielding door device and the smoke-shielding door-main body and the time from the detection of smoke to reaching the closed state of the smoke-shielding door are considered. The purpose is to solve the problem of shortening.

[0005]

According to a first aspect of the present invention, there is provided a smoke-shielding door apparatus, wherein the smoke-shielding door apparatus moves laterally from a storage portion and shields an opening of a skeleton. Horizontal and vertically extending two-tiered rails provided above the opening, and a front (opening side) and a rear (storage side) suspension vehicle that travels on one of the two upper and lower rails, respectively. A smoke-shielding door-body supported by the front and rear suspension cars, and one of the facing surfaces facing each other around the opening and the door-body, and between the facing surfaces by pressingly contacting the other. A sealing member for hermetically sealing the smoke-proof door at the running portion of the rail.
When the main body travels toward the closed state, it is necessary to provide a horizontal bending portion for moving in a direction approaching between the facing surfaces and a vertical inclination portion for moving in a direction descending to the floor surface of the opening. Characterize.

A second invention of the present application is the smoke-proof door apparatus according to the first invention of the present application, wherein one rail of the two upper and lower rails is provided from the storage portion to a part of the opening, and the other rail is the storage portion. Is provided so as to be located in the opening from a part of the above, and the rear suspension vehicle and the front suspension vehicle travel on the traveling portions of the one and the other rails.

The third invention of the present application is the smoke door apparatus according to the first or second invention of the present application, in which a horizontal straight line following the horizontally bent portion and the vertically inclined portion of the traveling portion of the upper and lower two-stage rails. It is characterized by having a section.

A fourth invention of the present application is the smoke-proof door device according to any one of the first to third inventions of the present application, wherein the horizontal straight line portion of the traveling portion of one of the traveling portions of the upper and lower rails. Is longer than the length of the horizontal straight line portion of the traveling portion of the other rail.

A fifth aspect of the present invention is the smoke-proof door device according to any one of the first to fourth aspects of the present invention, wherein a guide roller is provided on the floor near the storage portion side of the opening,
The lower end of the main body is provided with a guide portion that is open at the lower side to engage with the guide roller, and the guide portion is provided with a horizontal bending portion similar to the horizontal bending portion provided on the rail. .

The sixth invention of the present application is characterized in that, in the smokeproof door device of any one of the first to fifth inventions, a sliding door closer is housed in the smokeproof door body.

[0011]

With the structure of the first invention of the present application as described above, the use of the suspension vehicle allows the smoke door to move smoothly from the storage part of the main body to the closed position, and prevents the smoke shield door from moving horizontally from the storage part of the rail. The slanted part moves the smoke shield door body in the direction of pressing the sealing material at the closed position, improving the sealing performance,
The vertical slope formed on the rail's running part reduces the decrease in running speed due to friction during running due to the contact between the sealing material and the facing surface, and the floor surface of the opening at the closed position of the smoke shield door body. The sealing performance is improved by the downward movement to.

According to the structure of the second invention of the present application, since only one rail exists in each of the upper portion of the opening portion and the storage portion, a space for arranging necessary equipment such as an air damper and a sliding door closer can be secured.

With the configuration of the third invention of the present application, the upper and lower ends of the smoke shielding door main body can be made horizontal at the closed position.

According to the structure of the fourth aspect of the present invention, when the smoke shielding door body is moved to the closed position, the suspension vehicle on the opening side of the smoke shielding door body finishes traveling along the vertically inclined portion of the traveling portion of the rail. Since the suspension vehicle on the side of the storage section travels on the vertically inclined section of the traveling section of the rail while traveling on the horizontal straight section, the traveling speed immediately before the smoke shield door body is closed can be reduced.

According to the fifth aspect of the present invention, the upper and lower ends of the smoke shielding door main body are guided by the engagement of the rail and the suspension vehicle and the engagement of the guide roller and the guide portion, so that the smoke shielding door main body is stabilized. Can be moved to the closed position.

With the structure of the sixth invention of the present application, since the sliding door closer, which is conventionally installed by being exposed at the opening of the body, is housed in the smoke shielding door body, it has a good appearance and the sliding door closer can be easily adjusted. And, it becomes possible to effectively utilize the space.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. 1 to 12 show a smoke-shielding door device according to the first embodiment of the present invention. Smoke shield door device 1 for blocking an opening 2 of a building or the like when a fire occurs
The storage unit 3 is provided on the side of the opening 2. Vertical metal frames 4 and 5 are provided upright at the ends of the opening 2 and the housing 3, and a metal upper frame 6 extending in the lateral direction is connected to the upper portions of the vertical frames 4 and 5. Further, a metal stand 7 is erected on the boundary between the storage portion 3 and the opening 2.

An inspection door support 8 extending horizontally is formed on the upper end of the upper frame 6, two vertically extending rail supports 9 and 10 are formed on the lower part thereof, and an upper part is provided on the lower end thereof. The seal material holding portion 11 is formed.

The inspection door support portion 8 is provided with an inspection door 12
Is detachably supported. The upper rail support portion 9 has a rear end located in front of the storage portion 3 and a front end formed in the opening 2
The upper rail 13 located at the end of the is fixed by a connecting tool such as a bolt. A lower rail 14 whose rear end is located at the end of the storage portion 3 and whose front end is located behind the opening 2 is fixed to the lower rail support portion 10 by a connecting tool such as a bolt. As shown in FIG. 6, a groove 15 having a semicircular cross section is formed in each of the upper and lower rails 13 and 14.

The running portion 15 formed by the groove of the upper rail 13
The suspension vehicle 16 travels in the front (opening side), and the lower rail 1
The suspension vehicle 17 on the rear side (on the side of the storage portion) travels on the traveling portion 15 formed of the concave groove of 4. Further, the arrangement of the suspension wheels 16 and 17 on the front and rear sides that travel on the traveling portion 15 of the upper and lower rails 13 and 14 may be reversed. The front and rear suspension vehicles 16 and 17 are shown in FIG.
Although a free wheel 36 in which a ball 35 is supported by a bearing 34 as shown in FIG. It can be used by giving room to the width of the door roller that constitutes the car. Front and rear suspension vehicles 16, 17
Is connected to the upper end of the smoke-shielding door main body 20 via upper and lower connecting brackets 18 and 19 having a U-shaped cross section through a connecting tool such as a bolt. The upper sealing material holding portion 11 holds an upper sealing material 21 which is made of an elastic material such as rubber and has a tongue-shaped tip and extends in the lateral direction.

A guide roller 22 is installed on the floor side of the opening 2 on the side of the storage portion. At the lower end of the smoke-proof door body 20, a recessed portion that is open downward is formed, and in this recessed portion, a guide member 23 that engages with the guide roller 22 and an open lower end and a lower sealing material 24 are installed.

As shown in FIG. 4, the vertical frame 4 on the opening side.
On the opening side of the drawing member 25 having an inclined surface,
A door contact rubber 26 and a front seal member 27 having a tongue piece are installed. A rear seal member 28 having a tongue piece is installed on the upright 7.

As shown in FIG. 6, the upper and lower rails 1
3, 14 are divided into A, B, and C portions in the length direction from the rear end to the front end. In the section A, a running portion 15 formed of a straight horizontal groove is formed.
In the section B, the traveling portion 15 including a groove for moving the facing surface of the smoke shielding door body and the sealing material in the approaching direction when the smoke shielding door body 20 travels toward the closed position.
A horizontal bent portion is formed in the. At the same time, a vertically inclined portion that is inclined downward is formed in the running portion 15 that is a groove in the section B. The section C is formed with a running portion 15 which extends horizontally and linearly from the lower end of the slope of the section B. The sections A, B, C of the upper and lower rails may be integrally formed by molding, or may be separately molded and integrated by welding or the like. In addition, the upper and lower rails 13 and 14 are installed with a vertical sloping portion, that is, a slope over a predetermined length from the rear ends thereof, and the remaining portions up to the front ends of the upper and lower rails 13 and 14 are horizontally installed. ,
A running portion formed of a linear groove is formed in a portion of the upper and lower rails 13 and 14 that is installed with a slope, and a running portion that is bent in a horizontal direction and is formed of a groove is formed in a horizontal portion. The running part may be formed.

As shown in FIG. 5, the guide member 23 installed at the lower end of the smoke-proof door main body 20 also has a straight line portion and a horizontal portion similar to the sections A, B and C of the traveling portions of the upper and lower rails. A bent portion and a straight portion in the direction are formed. However, the vertically inclined portion provided in the section B of the traveling portion 15 of the upper and lower rails 13 and 14 is not formed in the guide member 23.

As shown in FIGS. 7 and 9, only the upper rail 13 is arranged in the upper frame 6 of the upper portion of the opening 2, so that the lower rail supporting portion 8 below the upper rail 13 has an air damper. 29 is arranged, and the upper end of the air damper 29 and the smoke shielding door main body 20 are connected via a sliding door closer 30. In addition, the wire 3 whose one end is fixed to the opening-side vertical frame 4
1 is connected to a sliding door closer 33 accommodated and installed in the smoke shielding door main body through a turning roller 32 installed in the upper frame 6.

As shown in FIGS. 10 (a) and 10 (b), the length of the horizontal straight line section C of the upper and lower rails is as shown in FIG. 10 (a). , The upper and lower rails have the same length. In FIG. 10 (b), the length of section C is the case where the upper rail is longer than the lower rail.

Next, the operating state of the smoke barrier door apparatus of the first embodiment of the present invention will be described. Normally, the smoke shield door body 20 is located in the storage section 3. When a fire occurs, the smoke-shielding door main body 20 starts traveling to a closed position that shields the opening 2 by an automatic device (not shown) linked with a smoke detector or manually. Since the front and rear suspension wheels 16 and 17 for suspending and supporting the smoke-proof door body 20 are formed of swivel wheels, the running portion 15 formed of the semicircular concave groove formed on the upper and lower rails 13 and 14 can be smoothly moved. To roll and run.

After traveling in the section A of the traveling section 15, the front and rear suspension wheels 16 and 17 travel in the section B of the traveling section 15. Since the horizontal bending portion and the vertical inclination portion are formed in the section B of the traveling portion 15, the smoke shielding door main body 2
0 moves in a direction in which the surfaces facing the upper sealing material 21 and the rear sealing material 28 approach each other. At that time, since the smoke shielding door body 20 travels while contacting the upper sealing material 21 and the rear sealing material 28, running resistance increases due to friction,
Since the vertically inclined portion is formed in the section B of the traveling unit 15, the traveling speed does not decrease. Further, since the guide member 23 installed at the lower end of the smoke shielding door main body 20 also has a horizontal bending portion formed in the section B of the traveling portion of the upper and lower rails 13 and 14, the smoke shielding door main body is formed. 20 travels in a state where the top and bottom are stable.

The front and rear suspension wheels 16 and 17 have finished traveling in section B of the traveling portion 15 of the upper and lower rails 13 and 14, and C
Drive on a section. In the section C, due to the contact between the lower sealing material 24 and the floor surface of the opening 2 due to the lowering of the smoke shielding door main body and the increase in friction due to the contact between the front sealing material 27 and the smoke shielding door main body 20, the section B is The vertical speed of the inclined portion is reduced, and the end portion thereof gently contacts the door stopper rubber 26 while being guided by the pulling metal fitting 25 having the inclined surface installed on the opening side vertical frame 4. In this closed state, the upper sealing material 21, the rear sealing material 28, the front sealing material 27, and the lower sealing material 24 are pressed into contact with the facing surfaces, and the tongues of the respective sealing materials are elastically deformed to hermetically seal between the facing surfaces. Seal on.

In FIG. 10 (b), the upper and lower rails 1
The lengths of the sections C of the traveling parts 15 of 3 and 14 are changed by first ending the traveling of the vertically inclined portion of the front suspension vehicle 16 and then at the vertically inclined portion of the rear suspension vehicle. This is because the final speed at which the smoke shield door body reaches the closed state is reduced by ending the traveling of. Further, the upper and lower rails 13 and 14 are installed with a gradient over a predetermined length from the rear ends thereof, and the remaining portions up to the front ends of the upper and lower rails 13 and 14 are horizontally installed. A running portion consisting of a linear groove was formed in the portion installed with an inclination of 14, and a horizontally bent running portion and a linear running portion consisting of the groove were formed in a horizontally installed portion. Also in this case, the front and rear suspension wheels 16 and 17 travel along the linearly-inclined traveling portion 15 of the inclined portion to increase the speed, but the traveling portion 15 that is bent in the horizontal direction next. When the vehicle runs, the speed is reduced due to an increase in friction between the smoke shielding door main body and the sealing material, and the vehicle travels on the last horizontal straight line portion, thereby achieving the same action and effect as described above.

A second embodiment of the present invention will be described with reference to FIGS. The same reference numerals are given to those having the same functions as those in the first embodiment. In the second embodiment, a guide groove 37 having a rectangular cross section is linearly formed in the central portion of the linear upper and lower rails 13 and 14, and the flat surface portions on both sides of the guide groove 37 are hung on the front suspension wheel 16 and the rear suspension wheel. It becomes the traveling unit 15 on which the car 17 travels. As shown in FIGS. 12 and 13,
The upper and lower rails 13 and 14 are bent in the horizontal direction in order to move the smoke shielding door main body 20 in the direction in which the facing surfaces of the smoke shielding door main body 20 and the sealing material approach each other when the smoke shielding door main body 20 travels toward the closed position. Installed. In addition, the upper and lower rails 13,
When the smoke shield door main body 20 travels toward the closed position, 14 is installed so as to be inclined in the vertical direction in order to move the smoke shield door main body 20 in the direction of descending to the floor surface of the opening.

As shown in FIG. 14, the upper and lower rails 1
The running portions 15 of 3 and 14 are formed flat. The front and rear suspension vehicles 16, 17 traveling on the traveling portion 15 of the upper and lower rails 13, 14 have horizontal core rods 39 on both sides and vertical core rods 4 on the lower side.
2 has a car mount 38 that forms 2. A vehicle 40 is rotatably supported by a horizontal core rod 39 of the vehicle mount 38 so as to be prevented from coming off. A guide wheel 43 is rotatably supported on the vertical core rod 42 while being prevented from coming off. Guide car 43
Is located in a guide groove 37 having a rectangular cross section formed in the center of the upper and lower rails 13 and 14. The upper ends of the vehicle mounts 38 of the front and rear suspension cars 16 and 17 are fixed to the upper and lower brackets 18 and 19, respectively. Also in the second embodiment, the traveling portion 15 of the upper and lower rails 13 and 14
A horizontal straight line portion may be formed at the end of.

FIG. 15 shows a modification of the second embodiment of the present invention. In this case, the upper and lower rails 13, 14
A guide member 46 having a guide groove 45 having a rectangular cross section is attached to the lower surface of the inspection door support portion 8 and the lower surface of the upper rail support portion 9 of the upper frame 6 without forming the guide groove. A vehicle mount 38 for mounting a vehicle 40 traveling on the traveling portions of the upper and lower rails 13 and 14 is fixed to the upper and lower brackets 18 and 19, and a vertical core rod 42 is attached to the upper and lower brackets 18 and 1, respectively.
The guide wheel 43 is rotatably supported by the vertical core rod 42. The guide wheel 43 is located in the guide groove 45 of the guide member 46. The guide member 46 is installed by bending it in the horizontal direction, and the upper and lower rails 13, 14 are installed by inclining it in the vertical direction. Also in the modification of the second embodiment, a horizontal straight line portion may be formed at the end of the running portion 15 of the upper and lower rails 13 and 14.

16 and 17 show a third embodiment of the present invention. In this embodiment, since the winding spring tensioning device 47 that moves the smoke shielding door main body 20 in the closing direction at the time of fire is installed in the smoke shielding door main body 20, the vertical rails 13 and 14 are arranged in the vertical direction. It is installed horizontally without the inclined part and only the horizontal inclined part is provided. Also in this third embodiment, the upper and lower rails 13, 1
A horizontal straight line portion may be formed at the end of the traveling portion 15 of No. 4.

[0035]

According to the structure of the first invention of the present application, the use of the suspension vehicle composed of the swivel vehicle allows the smoke door to move smoothly from the storage portion of the main body to the closed position, and the horizontal portion formed on the traveling portion of the rail. The bending part of the direction moves the smoke shield door body in the direction to press the sealing material at the closed position, improving the sealing performance, and the vertical inclined part formed on the rail makes it possible to move the sealing material against the opposing surface when moving. The effect of reducing the decrease in the moving speed due to friction and enhancing the sealing performance by moving the opening of the smoke shielding door body to the floor surface at the closed position is improved. According to the configuration of the second invention of the present application, since there is only one rail in each of the opening and the upper part of the storage, there is an effect that a space for arranging necessary equipment such as an air damper and a sliding door closer can be secured. . With the configuration of the third invention of the present application, there is an effect that the upper and lower end portions of the smoke shielding door main body can be horizontal in the closed position. According to the configuration of the fourth invention of the present application, when the smoke shielding door main body moves to the closed position, the suspension vehicle on the opening side of the smoke shielding door main body finishes traveling along the vertically inclined portion of the traveling portion of the rail and the horizontal straight line portion. Since the suspension vehicle on the side of the storage section travels on the vertically inclined portion of the traveling section of the rail during traveling, it is possible to reduce the traveling speed immediately before the smoke shield door body is closed. With the configuration of the fifth invention of the present application, since the upper and lower ends of the smoke shielding door main body are guided by the engagement of the rail and the suspension vehicle and the engagement of the guide roller and the guide portion, the smoke shielding door main body is closed in a stable state. The effect that it can move to a position is produced. With the configuration of the sixth invention of the present application, since the sliding door closer, which is conventionally exposed and installed in the frame opening portion, is housed in the smoke shielding door body, it has a good appearance, and the sliding door closer can be easily adjusted. Thus, it is possible to effectively utilize the space.

[Brief description of drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a partial vertical sectional view of the first embodiment of the present invention.

FIG. 3 is a partial vertical sectional view of the first embodiment of the present invention.

FIG. 4 is a partial cross-sectional view of the first embodiment of the present invention.

FIG. 5 is a partial cross-sectional view of the first embodiment of the present invention.

FIG. 6 is a diagram showing a configuration of upper and lower rails according to the first embodiment of the present invention.

FIG. 7 is a partial schematic view of the first embodiment of the present invention.

FIG. 8 is a partial schematic view of the first embodiment of the present invention.

FIG. 9 is a partial schematic diagram of the first embodiment of the present invention.

FIG. 10 is a partial schematic diagram of the first embodiment of the present invention.

FIG. 11 is a schematic view of a swivel vehicle used as a suspension vehicle according to the first embodiment of the present invention.

FIG. 12 is a partial front view of the second embodiment of the present invention.

FIG. 13 is a partial plan view of a second embodiment of the present invention.

FIG. 14 is a partial vertical sectional view of a second embodiment of the present invention.

FIG. 15 is a partial vertical cross-sectional view of a modified example of the second embodiment of the present invention.

FIG. 16 is a partial front view of the third embodiment of the present invention.

FIG. 17 is a partial plan view of the third embodiment of the present invention.

[Explanation of symbols]

1: Smoke-proof door device 2: Opening 3: Storage 4: Vertical frame on the opening side 5: Vertical frame on the storage side 6: Upper frame 7: cubic 8: Inspection door support 9: Upper rail support 10: Lower rail support 11: Upper sealing material holding part 12: Inspection door 13: Upper rail 14: Lower rail 15: Running section 16: Front suspension vehicle 17: Rear suspension vehicle 18: Upper connection bracket 19: Lower connection bracket 20: Smoke shield door body 21: Upper sealing material 22: Guide roller 23: Guide member 24: Lower sealing material 25: Pulling hardware 26: Door contact rubber 27: Front seal material 28: Rear sealing material 29: Air damper 30: Sliding door closer 31: Wire 32: Turning roller 33: Sliding door closer 34: Bearing 35: Sphere 36: Flexible car 37: Guide groove 38: Car mount 39: Horizontal core rod 40: car 42: Vertical core rod 43: Guide car 45: Guide groove 46: Guide member 47: Winding spring tension device

─────────────────────────────────────────────────── ─── Continued Front Page (51) Int.Cl. ⁷ Identification Code FI Theme Coat (Reference) E06B 7/22 E06B 7/22 B

Claims (6)

[Claims] 1. A smoke-shielding door device which moves laterally from a storage part and shields an opening of a skeleton, and two laterally extending rails provided in the upper part of the storage part and the opening. A front suspension vehicle and a rear suspension vehicle traveling on one of the traveling portions on the upper and lower rails; a smoke-shielding door body supported by the front suspension vehicle and the rear suspension vehicle; and the opening and the door body. Provided on one of the facing surfaces facing each other in the periphery and provided with a sealing material that presses against the other surface to hermetically seal between the facing surfaces, and the smoke shield door-main body is closed in the running portion of the rail. When traveling, the smoke-shielding door is characterized in that a horizontal bent portion for moving the facing surfaces in a direction approaching each other and a vertical inclined portion for moving in a descending direction are provided on the floor surface of the opening.
apparatus. 2. One rail of the upper and lower two-stage rails is provided from the storage portion to a part of the opening portion, and the other rail is provided so as to be positioned from the storage portion to the opening portion. 2. The smoke blocking door apparatus according to claim 1, wherein a rear suspension vehicle and a front suspension vehicle travel on the traveling portions of the other rail. 3. The smoke shield according to claim 1 or 2, wherein a traveling portion of the upper and lower rails is provided with a horizontal straight portion that follows the horizontal bent portion and the vertical inclined portion. Door-device. 4. The length of the horizontal linear portion of the traveling portion of one rail of the traveling portions of the upper and lower rails is made longer than the length of the horizontal linear portion of the traveling portion of the other rail. A smoke barrier door device according to any one of items 1 to 3. 5. A guide roller is provided on a floor surface near the storage portion side of the opening portion, and a guide member having a lower opening with which the guide roller engages is provided at a lower end of the smoke shield door body.
The smoke shielding door according to any one of claims 1 to 4, wherein the guide member is provided with a horizontal bent portion similar to the horizontal bent portion provided on the traveling portion of the rail.
apparatus. 6. The sliding door closer is housed in the smoke shielding door body.
Smoke barrier door device according to paragraph.