TW201928187A - Smoke-stop rolling curtain - Google Patents

Abstract

A smoke-stop rolling curtain includes a frame and a smoke-stop screen coupled with the frame. The smoke-stop screen includes a fire-proof cloth having two opposite sides each having a heat resistant element secured thereon, wherein the heat resistant element has a flat structure. The frame includes a casing adapted to be secured on one side of a passageway and two rail structures secured on two opposite ends of the casing and respectively vertically extending relative to the casing. Each rail structure has a guiding groove defined in an inner side thereof for communicating with an inner an inner space and an outer space of the rail structure. A motor is secured on the casing and has an shaft longitudinally extending into the casing for rolling the smoke-stop screen.

Description

Smoke prevention door structure

The invention relates to a smoke-proof roll door structure, in particular to an innovative structure type revealer which is simple in structure, maintenance-free and accurate in installation.

According to the current technical standards, the fireproof cloth sold on the market will not burn itself when it is almost burned. The material itself is only equivalent to being carbonized, and its appearance can still maintain its original appearance. Characteristics, therefore, are widely used in fire escape, protective clothing and other related fields, and in recent years have been applied to fire protection of large buildings, the biggest purpose is to prevent smoke from smashing around and creating flawless The people were bruised.

The main practice is to divide large public buildings (such as department stores) into multiple disaster prevention areas in advance. When there is a fire in any area, the fire alarm screen is used to isolate the fire scene to avoid the spread of high temperature and thick smoke to other areas. And to reduce the loss of life and property.

For the structure of the fireproof curtain, please refer to the new patent case No. M452220 (hereinafter referred to as the "case"), which mainly uses the fireproof curtain with the door rail structure to prevent the hot air flow on the fire site. In this case, a sleeve is respectively arranged on the two longitudinal sides of the fireproof curtain, and the fireproof curtain is pre-wound in a roll box by using a rotating shaft. When the fire occurs, the fire curtain is placed down, and the two sets are respectively sleeved on a corresponding guide. The operation mode of the case is detailed in the announcement manual, and will not be described here.

As described in the specification, the case may indeed provide the effect of preventing hot air from colliding when a fire occurs. However, this kind of conventional structural type has found that the following problems still exist in the actual use experience: in order to lay down the fireproof curtain, the friction between the inside of the sheath and the guide rod is reduced, usually before the installation of the fireproof curtain The talcum powder is pre-sprayed inside the bundle. However, the installation time and the use time may be separated by many years, even for a dozen or twenty years. During this standby period, it is difficult to sprinkle the talcum powder inside the bundle, and the talcum powder is prolonged. Under the action of external force, agglomeration may occur, and the effect of reducing the friction cannot be ensured; in addition, after the bundle is fixed and fixed for a long time in the standby time, the sleeve is prone to wrinkles, and the inner surface thereof is not smooth enough. In addition, under the above-mentioned factors that the function of reducing friction of talcum powder cannot be ensured, it is likely to prolong the time for the fireproof curtain to be completely lowered; in addition, the fireproof curtain that has been wound and fixed for a long time may be deflected after being released. As a result, the bottom end of the bundle cannot be accurately set on the guide rod, thus losing the function of preventing the hot air flow from being smashed.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical, is expected by users, and is also related to the industry's efforts to develop breakthrough goals and directions. In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a smoke-proof roll door structure, and the technical problem to be solved is aimed at how to develop a new type of structure which is more ideal and practical, simple in structure, easy to maintain, and accurate in installation. Innovate breakthroughs.

The technical feature of the present invention is mainly to the smoke-proof roll door structure, comprising a frame and a smoke-proof curtain installed on the door frame, the smoke-proof curtain comprising a piece of fire-proof cloth material, the smoke prevention The curtain comprises a piece of fireproof cloth material, wherein the fireproof cloth material is respectively provided with a heat-resistant adhesive strip on both sides of the moving direction thereof, wherein the heat-resistant adhesive strip is a flat-shaped structural body having a flexible region characteristic, the heat resistance The joint of the rubber strip and the fireproof cloth material is substantially located on the line of the heat resistant rubber strip; the frame comprises a box for fixing to one side of the passage to be closed, and the two are respectively fixed to the two ends of the box body and And a rail structure extending perpendicularly to the box body, wherein the inner space of the rail structure communicates with the inner space of the box; the inner side of each track structure is longitudinally formed with a guiding slot, the guiding The slot is connected to the inner and outer spaces of the track structure; each of the guide slots includes a narrow section extending to the outer space of the track structure and an involute section connected to the elongated section, the box is provided with a Of the motor power lines connected to a fire alarm or smoke detector, the motor and extends with a spool that is provided in line transversely screwed on the case, and winding the smoke curtain.

With the innovative and unique design, the smoke curtain used in conjunction with the track structure provided on the door frame enables the present invention to utilize the flip section generated by the flipping of the heat resistant strip according to the prior art. The contact surface of the track structure is exposed to the outside, achieving a simplified structure and convenient maintenance and practical industrial economy (utilization) benefits.

Please refer to Figures 1, 2, 3 and 4 for a preferred embodiment of the smoke-proof roll door structure of the present invention, but such embodiments are for illustrative purposes only and are not limited by the structure. The smoke-proof roll door structure includes a frame 40 and a smoke curtain A mounted on the frame 40.

The smoke curtain A includes a sheet of fireproof fabric 10, and the fireproof fabric 10 is provided with a heat resistant strip 20 on both sides of the moving direction. In the preferred embodiment of the present invention, the heat-resistant adhesive strip 20 is a flat-shaped structure having a flexural property, and the joint with the fire-resistant fabric 10 is substantially located in the heat-resistant adhesive strip 20. on-line. In a preferred embodiment of the present invention, the heat-resistant rubber strip 20 and the fire-resistant cloth 10 are joined to each other in a sewn manner, and the sewing thread 30 produced after the sewing is along the center line of the heat-resistant rubber strip 20. Therefore, as shown in FIGS. 2 and 3, the sewing thread 30 separates the heat-resistant rubber strip 20 into the first side panel 21 and the second side panel 22, when the smoke curtain A is in a retracted state or The first side panel 21 of the heat resistant strip 20 is attached to the fireproof fabric 10 while the second side panel 22 extends laterally relative to the fireproof fabric 10 without being subjected to an external force.

The frame 40 includes a casing 41 for fixing to one side of the passage to be closed, and two rail structures 42 respectively fixed to the ends of the casing 41 and extending perpendicularly relative to the casing 41, wherein the rail structure 42 The internal space communicates with the internal space of the casing 41. In a preferred embodiment of the present invention, the casing 41 is horizontally mounted above the intended closed passage, and the two rail structures 42 extend in the vertical direction of the ground (board), and the smoke curtain is oppositely The two heat-resistant strips 20 of A are disposed on both sides of the fireproof cloth 10. Moreover, the bottom edge of the fireproof cloth material 10 is further provided with a weight structure 11 to ensure smooth movement of the fireproof cloth material 11 when it is deployed downward.

The inner side of each of the track structures 42 is longitudinally formed with a guiding groove 43 which communicates with the inner and outer spaces of the track structure 42. Each guiding slot 43 includes an elongated section 431 extending to the outer space of the rail structure 42 and an involute section 432 coupled to the elongated section 431. In the preferred embodiment of the present invention, the involute section 432 is The V-shaped shape is provided so that the guiding groove 43 has a funnel-shaped cross section in plan view. A motor 50 is attached to the casing 41. The motor 50 is electrically connected to a fire alarm or a smoke detector (not shown). The motor is extended with a reel 51. The reel 51 is laterally Rotating in the casing 41 and winding the smoke curtain A. Each of the track structures 42 forms an inversion space with respect to the end of the case 41 and the reel 51, so that the heat-resistant strip 20 forms an inversion section in the inverting space.

For further reference, as shown in FIG. 7, in order to make the heat-resistant rubber strip 20 wound on the reel 51 smoothly flipped in advance with respect to the guiding groove 43, the top of each track structure 42 is directed toward the turning space. An inverting structure 44 is disposed, and an inner wall of each of the rail structures 42 is correspondingly provided with a guiding structure 45. The inverting structure 44 is provided with an inclined guiding surface 441, and the top edge of the guiding structure 45 A guiding surface 451 having a relative height which is gradually decreased with respect to the extending direction of the fireproof cloth 10 is provided, wherein the free end of the inverting structure 44 is disposed corresponding to the first side panel 21 of the heat resistant strip 20.

With the above structural composition design, the operation of the present invention is explained as follows: as shown in Figures 5, 6, 8, and 9, when the fire alarm occurs or the smoke detector detects that the smoke concentration exceeds the standard, the operation is started. The motor 50 drives its shaft 51 and cooperates with the weight structure 11 to begin releasing the smoke curtain A downward. Referring to FIG. 8 , when the smoke curtain A is just placed down, the heat resistant strip 20 is parallel to the spool 51 , and the first side panel 21 is attached to the fireproof fabric 10 . Referring to FIG. 5 again, after the bottom edge of the first side panel 21 comes into contact with the free end of the flip structure 44, the flip structure 44 begins to be opposed to the fireproof fabric 10 by using the guide slope 441. The heat-resistant rubber strip 20 is turned over, and the first side edge 21 of the heat-resistant rubber strip 20 is forced out of the surface of the fire-resistant cloth material 10, so that the heat-resistant rubber strip 20 is turned over between the box body 41 and the free end portion of the inverted structure 44. A flip section is formed in the space. When the heat-resistant strip 20 is turned over and the fire-retardant material 10 moves into the elongated section 431 of the guiding groove 43, the bottom edge of the second side panel 22 abuts against the guiding surface 451 of the guiding structure 45. And moving along the guiding surface 451 to the free end of the guiding structure 45, and the hot rubber strip 20 is continuously inverted relative to the fireproof cloth 10. Referring to FIG. 6 , when the abutting edge of the second side panel 22 is disengaged from the guiding surface 451 , the free end of the guiding structure 45 is topped against the second side panel 22 , so that The heat resistant strip 20 is perpendicular to the elongated section 431 of the guiding groove 43.

Please refer to the figure 10 and 12, when the hot air generated by the high temperature expansion in the fire field acts on the fireproof cloth, the fireproof cloth 10 will be on both sides due to the wind pressure. The heat-resistant rubber strips 20 are pulled inwardly, so that each of the heat-resistant rubber strips 20 starts to deform in a V shape, and finally bottoms on the inner wall of the corresponding involute section 432 in an airtight manner, as in the eleventh, As shown in Figure 13, it provides the purpose of blocking smoke and high temperature, effectively reducing the loss of life and property caused by the fire. When the fire is over, the motor 50 can be used to reverse drive the reel 51 to wind the smoke curtain A and retract in the casing 41.

In addition, it is worth mentioning that the track structure 42 forms an inversion space with respect to the end of the box and the rotating shaft 51, so that the heat-resistant strip 20 is between the box 41 and the free end of the flipping structure 44. A reversing section is formed in the inverting space, and the reversing section of the heat-resistant strip 20 is exposed to the contact surface of the rail structure 42 due to the inversion, so that in the case of frequent maintenance work, the fire protection is required The cloth material 10 is gradually released, and the maintenance personnel can easily apply the talcum powder which reduces the friction between the heat-resistant rubber strip 20 and the lead-in structure on the contact track of the heat-resistant rubber strip 20 and the track, thereby ensuring not only the fire prevention, but also the smoke prevention. The curtain can be quickly lowered to the position to reduce the loss of life and property, and the life of the smoke curtain can be extended.

In addition, in the preferred embodiment, the track structure 42 is provided with the inverting structure 44 and the guiding structure 45, so that the heat-resistant rubber strip 20 can be turned over and guided to a preset position and angle while being deployed. The fireproof cloth material 10 and the heat resistant rubber strip 20 can be completely wound into the casing 41.

Referring to Figures 14 and 15, there is shown a second preferred embodiment of the track structure 42A of the present invention. In the preferred embodiment, the track structure 42A is not provided as in the first preferred embodiment. There is a flipping structure 44, and a tongue piece 46 is formed on the top edge of the groove wall of the guiding groove 43 on the side of the guiding structure 45. The tongue piece 46 is an inwardly curved arc structure corresponding to the The first side panel 21 of the heat resistant strip 20 is disposed. When the bottom edge of the fireproof fabric 10 is extended into the space between the tongue 46 and the guiding groove 43, a distortion phenomenon begins to occur, causing the hot rubber strip 20 to reverse with respect to the fireproof cloth 10, forcing the The first side piece 21 is separated from the fireproof cloth material 10. When the bottom edge of the second side piece 22 touches the guiding surface 451, the operation mode is the same as that of the first embodiment.

Referring to FIG. 16, which is a third preferred embodiment of the track structure 42B of the present invention, in the preferred embodiment, the track structure 42B is not provided with the flip structure 44 as in the foregoing first embodiment. And the guiding structure 45, so that at the same time of installation, the heat-resistant rubber strip 20 must be manually inverted to be perpendicular to the fire-resistant cloth material 10, and the fire-resistant cloth material 10 is placed thereon. The narrow section 431 of the guiding groove 43 is preset to lift the head of the smoke curtain A, so that the fireproof cloth 10 after the winding is still partially plunged into the narrow section 431 of the guiding groove 43, and is manually flipped in advance. The heat-resistant strip 20 abuts against the end of the guiding groove 43.

Efficacy Description: The "smoke screen" disclosed in the present invention mainly uses the innovative unique structural shape and technical features of the smoke curtain and the track structure and cooperates with the track structure set on the door frame to make the present invention In the conventional structure, the hot-rolled strip can be turned over by the inversion section, and the contact surface with the rail structure is exposed to the outside, so that the structure is simplified and the utility is improved. .

A‧‧‧ smoke curtain

10‧‧‧Fireproof cloth

11‧‧‧weight structure

20‧‧‧Hot rubber strip

21‧‧‧ first side film

22‧‧‧ second side film

30‧‧‧Sewing line

40‧‧‧Frame

41‧‧‧ cabinet

42, 42A, 42B‧‧‧ track structure

43‧‧‧ guiding slot

431‧‧‧Long section

432‧‧‧opening section

44‧‧‧ flip structure

441‧‧‧ guiding slope

45‧‧‧Guide structure

46‧‧‧ tongue

451‧‧‧ Guide surface

50‧‧‧Motor

51‧‧‧ reel

Figure 1 is a perspective view of the present invention. Figure 2 is a partial exploded perspective view of the smoke curtain of the present invention. Figure 3 is a partial exploded perspective view of the smoke curtain of the present invention. Figure 4 is a cross-sectional view of the track structure of the present invention. Figures 5 to 13 are flowcharts showing the operation of the present invention. Figure 14 is a plan view of a second embodiment of the track structure of the present invention. Figure 15 is a cross-sectional view showing a second embodiment of the track structure of the present invention. Figure 16 is a plan view showing a third embodiment of the track structure of the present invention.

Claims (6)

The utility model relates to a smokeproof roll door structure, comprising a frame and a smokeproof curtain mounted on the door frame, wherein: the smokeproof curtain comprises a piece of fireproof cloth, the smokeproof curtain comprises a piece of fireproof cloth The fireproof cloth is respectively provided with a heat-resistant adhesive strip on both sides of the moving cloth, wherein the heat-resistant adhesive strip is a flat-shaped structural body having a bending property, and the heat-resistant adhesive strip is combined with the fireproof cloth. Wherein, the frame is substantially located on the line of the heat-resistant adhesive strip; and the frame includes a box for fixing to one side of the channel to be closed and two bodies respectively fixed to the ends of the box and extending perpendicularly to the box respectively The track structure, wherein the inner space of the track structure and the inner space of the box communicate with each other; each track structure forms a turning space with respect to the end of the box and the reel, so that the heat resistant strip is turned over Forming an inversion section in the space; each of the inner side surfaces of the rail structure is longitudinally formed with a guiding slot, and the guiding slot is connected to the inner and outer spaces of the rail structure; each guiding slot includes An elongated section extending to an outer space of the track structure and an involute section connected to the elongated section, the casing is provided with a motor, and the motor is extended with a reel, and the reel is laterally screwed to the casing Medium and wind the smoke curtain. The anti-smoke door structure according to the first aspect of the invention, wherein the heat-resistant rubber strip and the fire-resistant cloth are combined to divide the heat-resistant rubber strip into a first side panel and a second side panel; When the curtain is in the retracted state or is not subjected to an external force, the first side panel of the heat resistant rubber strip is attached to the fireproof cloth material, and the second side panel thereof is laterally extended with respect to the fireproof cloth material. The anti-smoke door structure according to claim 2, wherein a top of each of the rail structures is provided with a flipping structure toward the inverting space, and an inner wall of each rail structure is correspondingly provided with a guiding structure, wherein The inverting structure is provided with an inclined guiding surface, and the top edge of the guiding structure is provided with a guiding surface whose relative height is gradually decreasing with respect to the extending direction of the fireproof cloth, wherein the free end of the inverted structure is paired It should be placed on the first side of the heat-resistant strip. The anti-smoke door structure according to claim 2, wherein an inner wall of each track structure is correspondingly provided with a guiding structure, and a top edge of the guiding structure is provided with a relative height extending relative to the fireproof cloth. a guiding surface with a decreasing direction; the guiding groove is different from the top edge of the groove wall on one side of the guiding structure; a tongue piece is formed, and the tongue piece is an inwardly curved arc structure corresponding to the heat resistant rubber strip The first side piece is set. The smoke-proof roll door structure according to claim 1, 2, 3 or 4, wherein the involute section is V-shaped, so that the guide groove has a funnel-shaped cross section in plan view. The smoke-proof roll door structure according to claim 5, wherein the heat-resistant rubber strip and the fireproof cloth are combined with each other in a sewing manner, and the sewing thread generated after the sewing is along the heat-resistant rubber strip. Midline settings.