TWI665375B - Smoke-stop rolling curtain - Google Patents

Abstract

A smoke-proof rolling door structure includes a frame and a smoke-proof curtain installed on the frame. The smoke-proof curtain comprises a piece of fire-proof cloth material, and two sides of the fire-proof cloth material are respectively provided with a heat-resistant rubber strip, and the bottom edge of the fire-proof cloth material is horizontally provided with a weight structure, wherein The rubber strip is a flat structure; the frame includes a box horizontally and horizontally fixed above the passage to be closed, and two track structures fixed to the two ends of the box and extending vertically downward respectively. The track The internal space of the structure is interconnected with the internal space of the box; the inner side of each track structure is longitudinally formed with a guide slot, which connects the internal and external spaces of the track structure; A motor is installed, and the motor is extended with a reel, and the reel is horizontally rotated in the box and is wound around the smoke-proof curtain.

Description

Smoke-proof rolling door structure

The invention relates to a smoke-proof rolling door structure, in particular to an innovative structural type revealer with simple structure, maintenance-free and accurate and reliable installation.

According to the current technical level, the fireproof cloth sold on the market will not burn itself when it reaches an almost incinerated state. The material itself is only equivalent to being carbonized, and its appearance can still maintain the original Therefore, it is widely used in fire escape, protective clothing, and other related fields. In recent years, it has been used for fire protection of large buildings. Its biggest purpose is to prevent thick smoke from flowing around and innocent. The people were stung.

The main approach is to divide large public buildings (such as department stores) into multiple disaster prevention areas in advance. When a fire occurs in any area, use a fire curtain to isolate the fire scene to prevent high temperature and dense smoke from spreading to other areas. To achieve the purpose of reducing loss of life and property.

Regarding the structure of the fire curtain, please refer to China's new patent case No. M452220 (hereinafter referred to as "the case"), which mainly uses the fire curtain with the door rail structure to prevent the hot air flow from scrambling at the scene of the fire. The case was set up on each of the two longitudinal sides of the fire-resistant rolling screen, and the fire-resistant rolling screen was wound in a roll box in advance by using a rotating shaft. When the fire broke out, put down the fire shutter and make the two beams The sleeves are respectively set on a corresponding guide rod. For the operation method of this case, please refer to the announcement manual for details.

The case, as described in its description, may indeed provide the effect of preventing hot air from flowing in the event of a fire. However, this conventional structure type still found the following problems in practical experience: In order to reduce the friction between the inside of the sheath and the guide rod when the fire curtain is lowered, it is usually done before the fire curtain is installed. Spread talc powder inside the sleeve in advance. However, the installation time and usage time may be many years, or even ten or twenty years. During this standby period, it is difficult to spray talcum powder inside the sleeve. Under the action of external force, agglomeration may occur, and its effect of reducing friction cannot be ensured. Furthermore, after a long time winding and fixing of the sleeve at a standby time, the sleeve is prone to wrinkle, causing the internal surface to be not smooth. In addition to the factors that cannot be ensured by the aforementioned talc powder's function of reducing friction, I am afraid that the time required for the fire curtain to fully lower will be prolonged; in addition, the fire curtain that has been fixed for a long time may be flexed and deformed after release. As a result, the bottom end of the harness sleeve cannot be accurately set on the guide rod, thereby losing the function that it should provide to prevent the hot air flow from chaos.

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 what the users expect, and it is also the goal and direction for relevant industry players to strive for breakthroughs. In view of this, the inventor has been engaged in the manufacturing development and design of related products for many years. In view of the above-mentioned goals, after detailed design and careful evaluation, the present invention is indeed practical.

The main purpose of the present invention is to provide a smoke-proof rolling door structure. The technical problem to be solved is to develop a more ideal and practical new technology. The structure is simple, easy to maintain, and accurate in installation. The structural form is an innovation and breakthrough.

The technical features of the present invention for solving the problem are mainly that the smoke-proof rolling door structure includes a frame and a smoke-proof curtain installed in the frame. The smoke-proof curtain includes a sheet of fire-proof cloth. Two sides of the material along its moving direction are respectively provided with a heat-resistant rubber strip, wherein the heat-resistant rubber strip is a flat-shaped structure with a flexible zone characteristic, and the joint between the heat-resistant rubber strip and the fireproof cloth material is generally It is located on the middle line of the heat-resistant rubber strip; the frame includes a box body fixed on one side of the passage to be closed, and two track structures respectively fixed to the two ends of the box body and extending perpendicularly to the box body respectively, wherein The inner space of the track structure communicates with the inner space of the box body; the inner side of each track structure is longitudinally formed with a guide groove, which connects the inner and outer spaces of the track structure; each guide The trough system includes a narrow section extending to the outer space of the track structure and an involute section connected to the narrow section. The box is equipped with a motor, which is electrically connected to a fire alarm. Newspaper 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 this innovative and unique design, the smoke-proof curtain used in conjunction with the track structure provided on the door frame makes the present invention, compared with the prior art, able to utilize the reversing section generated by the heat-resistant rubber strip due to reversal. The contact surface of the track structure has the characteristics of being exposed to the outside, which achieves practical progress and simplified industrial maintenance and better industrial economic (utilization) benefits.

A‧‧‧ Smoke Screen

10‧‧‧Fireproof cloth

11‧‧‧ counterweight structure

20‧‧‧ heat-resistant rubber strip

21‧‧‧ the first side piece

22‧‧‧Second Side Panel

30‧‧‧Car stitches

40‧‧‧Frame

41‧‧‧Box

42, 42A, 42B‧‧‧ Orbital Structure

43‧‧‧Guide groove

431‧‧‧Narrow section

432‧‧‧Introduction

44‧‧‧ flip structure

441‧‧‧guide slope

45‧‧‧Guide Structure

46‧‧‧ Tongue

451‧‧‧Guide plane

50‧‧‧ Motor

51‧‧‧Scrolls

FIG. 1 is a perspective view of the present invention.

Fig. 2 is a partially exploded view of the smoke-proof curtain of the present invention.

Fig. 3 is a partial three-dimensional exploded view of the smoke curtain of the present invention.

Figure 4 is a sectional view of the track structure of the present invention.

5 to 13 are operation flowcharts of the present invention.

Fig. 14 is a top view of a second embodiment of the track structure of the present invention.

Fig. 15 is a sectional view of a second embodiment of the track structure of the present invention.

Fig. 16 is a top view of a third embodiment of the track structure of the present invention.

Please refer to Figs. 1, 2, 3, and 4 for the preferred embodiments of the smoke-proof rolling door structure of the present invention. However, these embodiments are for illustrative purposes only and are not limited by this structure in patent applications. The smoke-proof rolling door structure includes a frame 40 and a smoke-proof curtain A installed on the frame 40.

The smoke-proof curtain A includes a sheet of fire-proof cloth material 10, and the fire-resistant cloth material 10 is respectively provided with a heat-resistant rubber strip 20 on both sides along its moving direction. In a preferred embodiment of the present invention, the heat-resistant rubber strip 20 is a flat plate-shaped structure having flexibility characteristics, and a joint between the heat-resistant rubber strip 20 and the fireproof cloth material 10 is located in the heat-resistant rubber strip 20. on-line. In a preferred embodiment of the present invention, the heat-resistant rubber strip 20 and the fireproof cloth material 10 are combined with each other in a seam manner, and the seam line 30 generated after 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 distinguishes the heat-resistant rubber strip 20 into a first side sheet 21 and a second side sheet 22, and when the smoke-proof curtain A is in a rolled state or Under the condition of no external force, the first side sheet 21 of the heat-resistant rubber strip 20 abuts on the fireproof cloth material 10, and the second side sheet 22 thereof extends laterally relative to the fireproof cloth material 10.

The frame 40 includes a box body 41 for fixing to one side of the passage to be closed, and two track structures 42 fixed to two ends of the box body 41 and extending perpendicularly to the box body 41, respectively. The internal space communicates with the internal space of the box 41. In a preferred embodiment of the present invention, the box body 41 is installed horizontally above the passage to be closed, and the two track structures 42 extend in the vertical direction of the ground (plate). In contrast, the smoke curtain The two heat-resistant rubber strips 20 of A are disposed on both sides of the fireproof cloth material 10. The bottom edge of the fireproof cloth material 10 is further provided with a weight structure 11 to ensure that the fireproof cloth material 11 moves smoothly when it is deployed downward.

A guide groove 43 is formed on the inner side surface of each track structure 42 in a longitudinal direction, and the guide groove 43 communicates with the inner and outer spaces of the track structure 42. Each guide groove 43 includes a narrow section 431 extending to the outer space of the track structure 42 and an involute section 432 connected to the narrow section 431. In a preferred embodiment of the present invention, the involute section 432 is It is arranged in a V shape so that the guide groove 43 has a funnel-shaped cross section when viewed from above. A motor 50 is mounted on the box 41, and the motor 50 is electrically connected to a fire alarm or a smoke detector (not shown). The motor is extended with a reel 51, and the reel 51 is transverse It is screwed into the box 41 and wound around the smoke-proof curtain A. A turning space is formed between an end of each track structure 42 opposite to the box body 41 and the reel 51, so that the heat-resistant rubber strip 20 forms a turning section in the turning space.

Please further refer to FIG. 7, in order to make the heat-resistant rubber strip 20 rolled up on the reel 51 smoothly reverse the angle with respect to the guide groove 43 in advance, the top of each track structure 42 faces the turning space. An overturning structure 44 is extended, and the inner wall of each track structure 42 is correspondingly provided with a guide structure 45. The overturning structure 44 is provided with an inclined guide slope 441, and the top edge of the guide structure 45 is A guide surface 451 having a relative height gradually decreasing with respect to the extending direction of the fireproof cloth material 10 is provided. The free end of the flip structure 44 is disposed corresponding to the first side sheet 21 of the heat-resistant rubber strip 20.

With the above structural composition design, the operation of the present invention is described as follows: As shown in Figures 5, 6, 8, and 9, when a fire alarm or smoke detector detects that the smoke concentration exceeds the standard, the alarm is activated. The motor 50 drives its rotating shaft 51 and cooperates with the weight structure 11 to start releasing the smoke-proof curtain A downward. Please refer to FIG. 8, when the smoke-proof curtain A is just lowered, the heat-resistant rubber strip 20 is parallel to the reel 51, and the first side piece 21 thereof is abutted against the fireproof cloth 10. Please refer to FIG. 5 for further reference. When the bottom edge of the first side piece 21 starts to contact the free end of the flip structure 44, the flip structure 44 uses its guide slope 441 to start relative to the fireproof cloth 10. Flip the heat-resistant rubber strip 20, forcing the first side 21 of the heat-resistant rubber strip 20 off the surface of the fireproof cloth 10, so that the heat-resistant rubber strip 20 is flipped between the free end of the box 41 and the flip structure 44 A flip section is formed in the space. After the heat-resistant rubber strip 20 is turned over and the fireproof cloth material 10 moves into the elongated section 431 of the guide groove 43, the bottom edge of the second side piece 22 will abut against the guide surface 451 of the guide structure 45. And move along the guide surface 451 toward the free end of the guide structure 45, and at the same time, keep the heat-resistant rubber strip 20 flipping relative to the fireproof cloth material 10 at the same time. Please refer to FIG. 6 again, after the abutment edge of the second side piece 22 is separated from the guide surface 451, the free end of the guide structure 45 abuts against the second side piece 22, so that the The heat-resistant rubber strip 20 is perpendicular to the elongated section 431 of the guide groove 43. After the two heat-resistant rubber strips 20 have completed the reversing action, the two sides of the fire-resistant cloth material 10 are respectively inserted in a corresponding narrow section 431, and each heat-resistant rubber strip 30 is vertically pressed against a phase. Corresponding to the end of the involute segment 432.

Please refer to FIG. 10 and FIG. 12, when the hot air generated by the high-temperature expansion of air in the fire field acts on the fireproof cloth 10, the fireproof cloth 10 will cause the fireproof cloth 10 The provided heat-resistant rubber strips 20 are pulled inward, so that each heat-resistant rubber strip 20 starts to deform in a V shape, and finally attaches to the corresponding involute section in an air-tight manner. The inner wall of 432, as shown in Figures 11 and 13, provides the purpose of blocking thick smoke and high temperature, which effectively reduces the loss of life and property caused by the fire. After the fire alarm is over, the motor 50 can be used to drive the reel 51 in the reverse direction to wind the smoke curtain A, and then it is rolled up in the box 41.

In addition, it is worth mentioning that a turning space is formed between the end of the track structure 42 relative to the box and the rotating shaft 51, so that the heat-resistant rubber strip 20 is between the box 41 and the free end of the turning structure 44. A reversing section is formed in the reversing space, and the reversing section generated by the heat-resistant rubber strip 20 due to reversing, and its contact surface with the track structure 42 is exposed to the outside. The cloth 10 is gradually released, and maintenance personnel can easily apply talc powder that reduces the friction between the heat-resistant rubber strip 20 and the lead structure on the contact track of the heat-resistant rubber strip 20 and the track, which can not only ensure smoke prevention in the event of a fire. The curtain can be quickly lowered to the positioning, which reduces the loss of life and property, and can extend the life of the smoke curtain.

In addition, in the preferred embodiment, the track structure 42 is provided with a flip structure 44 and a guide structure 45, which can be turned and guided to a preset position and angle while the heat-resistant rubber strip 20 is unfolded. Therefore, The fireproof cloth 10 and the heat-resistant rubber strip 20 can be fully rolled into the box 41.

Please refer to FIG. 14 and FIG. 15, which are the second preferred embodiment of the track structure 42A according to the present invention. In this preferred embodiment, the track structure 42A is not provided as in the aforementioned first preferred embodiment. A flip structure 44 is provided, and a tongue piece 46 extends from the top edge of the groove wall on the side of the guide groove 43 different from the guide structure 45. The tongue piece 46 is an inwardly curved arc structure and corresponds to the The first side sheet 21 of the heat-resistant rubber strip 20 is provided. When the bottom edge of the fireproof cloth material 10 is extended into the space between the tongue piece 46 and the guide groove 43, a distortion phenomenon will start to occur, causing the heat-resistant rubber strip 20 to flip over the fireproof cloth material 10. The first side piece 21 is forced to be separated from the fireproof cloth material 10, and the operation mode after the bottom edge of the second side piece 22 touches the guide surface 451 is the same as the first embodiment described above.

Please refer to FIG. 16, which is the third preferred embodiment of the track structure 42B of the present invention. In this preferred embodiment, the track structure 42B is not provided with the flip structure 44 as in the aforementioned first embodiment. And the guide structure 45 and the tongue piece 46 of the second embodiment, so when it is installed, the heat-resistant rubber strip 20 must be manually turned in advance to make it perpendicular to the fireproof cloth 10, and then The fireproof cloth 10 is inserted into the narrow section 431 of the guide groove 43 and the maximum lift of the smoke curtain A is rolled up by using the motor 50, that is, the fireproof cloth 10 and the two heat-resistant adhesives are preset. The maximum horizontal height of the bottom edge of the strip 20 after the winding process is completed, so that the rolled fireproof cloth material 10 is still partially accommodated in the narrow section 431 of the guide groove 43, and the heat-resistant rubber strip 20 is manually turned over Still abut against the end of the guide slot 43.

Efficacy description: The "smoke-proof rolling door structure" disclosed in the present invention mainly uses the innovative and unique structural type and technical features of the smoke-proof curtain and the track structure, and cooperates with the track structure provided on the door frame to make the present invention contrast [previously Technology] As far as the known structure is concerned, 俾 can use the characteristics of the turning section of the heat-resistant rubber strip due to turning over, and its contact surface with the track structure is exposed to achieve a practical and progressive nature of simplified structure and convenient maintenance. .

Claims (9)

A smoke-proof rolling door structure includes a frame and a smoke-proof curtain installed on the frame, wherein the smoke-proof curtain includes a piece of fire-proof cloth, and the fire-proof cloth is tied on both sides along its moving direction. A heat-resistant rubber strip is respectively provided, wherein the heat-resistant rubber strip is a flat plate-shaped structure having flexibility characteristics, and the junction of the heat-resistant rubber strip and the fire-proof cloth material is generally located on the middle line of the heat-resistant rubber strip. The heat-resistant adhesive strip is divided into a first side sheet and a second side sheet; when the smoke-proof curtain is in a rolled state or under the condition of no external force, the first side sheet of the heat-resistant adhesive strip is abutted against The fireproof cloth material, and the second side piece of the fireproof cloth material extends laterally relative to the fireproof cloth material; and the frame includes a box for fixing to one side of the passage to be closed, and two fixed to two ends of the box respectively, and Orbital structures extending vertically with respect to the box body, wherein a motor is mounted on the box body, the motor is extended with a reel, and the reel shaft is horizontally rotated in the box body and winds the smoke prevention Curtain; the internal space of the track structure is the same as that of the box The space between each of the track structures forms a turning space with respect to the end of the box body and the reel, so that the heat-resistant rubber strip forms a turning section in the turning space; the inner side of each track structure is respectively A guide groove is formed in the longitudinal direction, and the guide groove is connected to the inner and outer space of the track structure. Each guide groove system includes a narrow section extending to the outer space of the track structure and an involute section connected to the narrow section. ; After the two heat-resistant rubber strips have completed the flipping action, the two sides of the fire-resistant cloth are respectively arranged in a corresponding narrow section, and each heat-resistant rubber strip is vertically pressed against a corresponding involute. The end of the segment; then the motor is used to preset the lift of the smoke curtain, that is, the maximum horizontal height of the bottom edge of the fireproof cloth and the two heat-resistant rubber strips after the winding process is preset, so that The rolled fireproof cloth is still partially accommodated in the elongated section of the guide groove, and the heat-resistant rubber strip after the inversion still abuts against the end of the guide groove. The smoke-proof rolling door structure according to item 1 of the scope of patent application, wherein the involute section is set in a V shape, so that the guide groove has a funnel-shaped cross section when viewed from above. The smoke-proof rolling door structure according to item 2 of the scope of the patent application, wherein the heat-resistant rubber strip and the fireproof cloth material are combined with each other in a seam manner, and the seam line generated after sewing is along the heat-resistant rubber strip. Centerline setting. A smoke-proof rolling door structure includes a frame and a smoke-proof curtain installed on the frame, wherein the smoke-proof curtain includes a piece of fire-proof cloth, and the fire-proof cloth is tied on both sides along its moving direction. A heat-resistant rubber strip is respectively provided, wherein the heat-resistant rubber strip is a flat plate-shaped structure having flexibility characteristics, and the junction of the heat-resistant rubber strip and the fire-proof cloth material is generally located on the middle line of the heat-resistant rubber strip. The heat-resistant adhesive strip is divided into a first side sheet and a second side sheet; when the smoke-proof curtain is in a rolled state or is not affected by external forces, the first side sheet of the heat-resistant adhesive strip is abutted against the The fireproof cloth material, and the second side piece of the fireproof cloth material extends laterally relative to the fireproof cloth material; and the frame includes a box for fixing on one side of the passage to be closed, and two fixed to the two ends of the box and facing A track structure extending perpendicularly to the box, wherein the box is provided with a motor, and the motor is extended with a reel, and the reel is horizontally rotated in the box and winds the smoke curtain. Curtain, the inner space of the track structure is inside the box Spaces communicate with each other, and a turning space is formed between the end of each track structure relative to the box and the scroll; the top of each track structure is provided with a turning structure toward the turning space, and the inner wall of each track structure A guide structure is provided correspondingly, wherein the flip structure is provided with an inclined guide slope surface, and the top edge of the guide structure is provided with a guide surface whose relative height gradually decreases relative to the extending direction of the fireproof cloth material, wherein the The free end of the flip structure is arranged corresponding to the first side piece of the heat-resistant rubber strip, so that the heat-resistant rubber strip is in the flip space, using the guide slope provided on the flip structure and the guide provided on the guide structure. The guide function of the surface forms a reversing section in the reversing space; the inner side of each track structure is longitudinally formed with a guide groove respectively, and the guide groove is connected to the inner and outer space of the track structure; each The guide groove system includes a narrow section extending to the outer space of the track structure and an involute section connected to the narrow section; when the two heat-resistant rubber strips complete the turning action, the fire prevention On both sides of tie points disposed through an elongate section of the corresponding, respectively, and each heat strip into a vertical line against the top of a corresponding involute of the end section. The smoke-proof rolling door structure according to item 4 of the scope of the patent application, wherein the involute section is set in a V shape, so that the guide groove has a funnel-shaped cross section when viewed from above. The smoke-proof rolling door structure according to item 5 of the scope of the patent application, wherein the heat-resistant rubber strip and the fireproof cloth are combined with each other in a seam manner, and the seam line generated after sewing is along the heat-resistant rubber strip. Centerline setting. A smoke-proof rolling door structure includes a frame and a smoke-proof curtain installed on the frame, wherein the smoke-proof curtain includes a piece of fire-proof cloth, and the fire-proof cloth is tied on both sides along its moving direction. A heat-resistant rubber strip is respectively provided, wherein the heat-resistant rubber strip is a flat plate-shaped structure having flexibility characteristics, and the junction of the heat-resistant rubber strip and the fire-proof cloth material is generally located on the middle line of the heat-resistant rubber strip. The heat-resistant adhesive strip is divided into a first side sheet and a second side sheet; when the smoke-proof curtain is in a rolled state or is not affected by external forces, the first side sheet of the heat-resistant adhesive strip is abutted against the The fireproof cloth material, and the second side piece of the fireproof cloth material extends laterally relative to the fireproof cloth material; and the frame includes a box for fixing on one side of the passage to be closed, and two fixed to the two ends of the box and facing A track structure extending perpendicularly to the box, wherein the box is provided with a motor, and the motor is extended with a reel, and the reel is horizontally rotated in the box and winds the smoke curtain. Curtain, the internal space of each track structure The inner space of each track structure is correspondingly provided with a guiding structure, and the top edge of the guiding structure is provided with a guiding surface whose relative height gradually decreases with respect to the extending direction of the fireproof cloth; The guide groove system includes a narrow section extending to the outer space of the track structure and an involute section connected to the narrow section; the inner side of each track structure is formed with a guide groove longitudinally, and the guide groove system communicates with each other. The inner and outer space of the track structure; a tongue piece extending from the top edge of the groove wall on one side of the guide structure is different from the guide structure, and the tongue piece is an inwardly curved arc structure, and the tongue piece corresponds to It is arranged on the first side piece of the heat-resistant rubber strip; a turning space is formed between the end of each track structure relative to the box and the reel, so that the heat-resistant rubber strip uses the guide structure provided in the turning space. The guiding surface and the guiding effect of the tongue form a turning section in the turning space. After the two heat-resistant rubber strips complete the turning action, the two sides of the fireproof cloth are divided into a phase. Corresponding to the long and narrow section, and A heat-resistant tape to the vertical lines are abutting against a corresponding tapered portion on the end of the opening section. The smoke-proof rolling door structure according to item 7 of the scope of the patent application, wherein the involute section is set in a V shape, so that the guide groove has a funnel-shaped cross section when viewed from above. The smoke-proof rolling door structure according to item 8 of the scope of the patent application, 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 sewing is along the heat-resistant rubber strip. Centerline setting.