阅读说明：本技术 一种快装防火挡烟气闸 (Fast-assembling fire prevention keeps off flue gas floodgate ) 是由 李驰原 孟庆兴 王洪月 赵光亮 于 2021-07-19 设计创作，主要内容包括：本发明公开一种快装防火挡烟气闸,属于消防救援技术领域,包括伸缩杆组件和两个卷帘机构；每个卷帘机构上侧分别设有与伸缩杆组件方向一致的滑轨,伸缩杆组件通过挂扣与两滑轨连接安装；伸缩杆组件两端分别设有支撑座。伸缩杆组件伸缩,卷帘机构沿滑轨交错拉伸,使伸缩杆组件两端的支撑座支撑于通道两侧,向下拉动卷帘机构展开,以对通道进行封闭,有效阻隔空气流通,并防止火势和高温烟气蔓延,快速对局部火点形成有效防火分隔区,极大提升消防救援的安全保障；可以灵活应用于不同的作业环境,适用于不同宽度、高度火灾现场通道的封闭,适用范围广,通用性好；收纳性强,携带、拆装便捷,有效缩短消防战术布置时间,提高消防救援效率。(The invention discloses a fast-assembling fire-proof smoke-blocking air brake, which belongs to the technical field of fire rescue and comprises a telescopic rod component and two roller shutter mechanisms; the upper side of each roller shutter mechanism is respectively provided with a sliding rail in the same direction as the telescopic rod component, and the telescopic rod component is connected and installed with the two sliding rails through hanging buckles; supporting seats are respectively arranged at the two ends of the telescopic rod component. The telescopic rod assembly stretches, the roller shutter mechanisms stretch along the sliding rails in a staggered mode, the supporting seats at the two ends of the telescopic rod assembly are supported on the two sides of the channel, the roller shutter mechanisms are pulled downwards to be unfolded, so that the channel is closed, air circulation is effectively blocked, fire and high-temperature smoke are prevented from spreading, an effective fire separation area is quickly formed for local fire points, and safety guarantee of fire rescue is greatly improved; the device can be flexibly applied to different operating environments, is suitable for sealing fire scene channels with different widths and heights, and has wide application range and good universality; the storage performance is strong, and it is convenient to carry, dismouting, effectively shortens the fire control tactics and arranges the time, improves fire rescue efficiency.)

1. A fast-assembling fire prevention keeps off the gas brake, characterized by, including telescopic rod assembly (3) and two roller shutter mechanisms (2); the upper side of each roller shutter mechanism (2) is respectively provided with a sliding rail (4) which is consistent with the axial telescopic direction of the telescopic rod component (3), and the telescopic rod component (3) is connected and installed with the two sliding rails (4) at the lower side through hanging buckles (5); and two ends of the telescopic rod component (3) are respectively provided with a supporting seat (32).

2. The quick-assembly fire damper flue gas damper according to claim 1, wherein the telescopic rod assembly (3) comprises a fixing sleeve (31), a screw rod (33) and a positioning block (36), and the fixing sleeve (31) is connected with the hanging buckle (5); the positioning block (36) is fixedly arranged in the fixed sleeve (31) and is rotatably connected with the screw rod (33); one supporting seat (32) is fixedly connected with the outer end of the screw rod (33), and the other supporting seat (32) is connected and installed with one end, far away from the screw rod (33), of the fixing sleeve (31).

3. The fast-assembling fire damper according to claim 2, characterized in that a connecting rod (37) fixedly mounted with the screw (33) is provided on the support base (32) at one end of the fixing sleeve (31); a limiting block (38) is arranged on the inner side of the other end of the fixed sleeve (31), a stable supporting rod (34) which penetrates through the limiting block (38) in a sliding manner is arranged on the other supporting seat (32), and an adjusting block (39) which is abutted against the inner side of the limiting block (38) is screwed at the inner end of the stable supporting rod (34); the stable support rod (34) is sleeved with a spring (35) for supporting the limit block (38) and the support seat (32).

4. The fast-assembling fire damper according to claim 2, wherein said support base (32) is provided with a sheath slidably engaged with said fixing sleeve (31).

5. The fast-assembling fire damper according to claim 1, wherein the outer end surface of the support base (32) is provided with a non-slip mat.

6. The fast-assembling fire damper flue gas damper according to claim 1, wherein the hanging buckle (5) is an elastic C-shaped buckle, and a protective pad is arranged on the inner wall of the buckle.

7. The fast-assembling fire damper flue gas damper according to claim 1, characterized in that each said roller blind mechanism (2) comprises a protective blind (21) and a roller (22) for winding and unwinding said protective blind (21), a weight lever (23) is provided at the lower end of said protective blind (21), and a lock lever (25) for locking said roller (22) is provided on said roller.

8. The fast-assembling fire damper flue gas damper according to claim 7, characterized in that the opposite inner sides of the curtain guards (21) of the two rolling shutter mechanisms (2) are provided with magic tapes (24) adhered to each other.

9. The fast-assembling fire damper flue gas damper according to claim 1, wherein the slide rail (4) comprises a guide rail (41) fixedly connected with the hanging buckle (5) and a slide plate (42) slidably arranged in the guide rail (41), and the slide plate (42) is connected with the corresponding roller blind mechanism (2).

10. The fast-assembling fire damper flue gas damper according to claim 9, wherein the guide rail (41) is provided with a limiting component for limiting the left and right limit positions of the slide plate (42), respectively.

Technical Field

The invention belongs to the technical field of fire rescue, and particularly relates to a fast-assembling fireproof smoke-blocking air brake.

Background

The firefighter can pass through a fire zone in a short time or enter a flame zone in a short time to save people, rescue valuable materials, close a combustible gas valve and other dangerous places, and can play a good protection effect when wearing the protective clothing. If the fire-resistant material is in a high-temperature environment for a long time, a water gun and a water cannon are required to be used for protection, otherwise, no matter how good the fire-resistant material is, the fire-resistant material can be burnt out in flames for a long time.

The building fire smoke spreading speed is very quick without intervention. Under the condition, the time for unfolding the water gun water belt is far longer than the time for spreading the fire. There is a need for a device that can be carried by firefighters, that can accomplish tactical deployment in a short time, and that can quickly and effectively prevent the spread of smoke, and that can control smoke and fire in a certain area.

When a fire disaster happens, the door and the window are quickly closed, the fixed smoke blocking facility is opened, the entering of fresh air and the outflow of high-temperature smoke in a closed fire scene are reduced, and the spread of fire can be effectively controlled and reduced; however, due to the possibility of door and window blockage or even deformation in high temperature of a fire scene, the door and window is difficult to open or close in time, so that immeasurable casualties and economic losses are caused, and the safety influence on rescue workers is also serious. And after the fixed door and window are closed and the smoke blocking facility is opened, the fire fighters are not facilitated to frequently enter and exit a fire scene, and the tactics of fire extinguishing, trapped personnel search rescue and the like are developed.

How can guarantee self safety after the fire fighter gets into the scene of a fire to the problem that the condition of a fire prevented the intensity of a fire and spread is the key problem of fire control field research, and the fire fighter had both guaranteed to make things convenient for personnel to pass in and out after getting into the scene of a fire, had guaranteed again that restriction intensity of a fire spreads, the separation causes the danger that the intensity of a fire increased and produce because of the circulation of air.

Disclosure of Invention

The invention provides a quick-mounting fireproof smoke-blocking air brake, which aims to solve the problems that how to ensure the self safety of a fireman after entering a fire scene and effectively control the fire condition to prevent the fire from spreading in the existing fire rescue.

The invention is realized by the following technical scheme.

A fast-assembling fire prevention keeps off the gas brake, including telescopic link assembly and two rolling screen organization; the upper side of each roller shutter mechanism is respectively provided with a sliding rail which is consistent with the axial telescopic direction of the telescopic rod component, and the telescopic rod component is connected and installed with two sliding rails at the lower side through hanging buckles; supporting seats are respectively arranged at two ends of the telescopic rod component. The telescopic rod assembly is adjusted to stretch, the two roller shutter mechanisms are controlled to stretch along the sliding rails on the upper sides of the two roller shutter mechanisms in a staggered mode, the supporting seats at the two ends of the telescopic rod assembly are supported on the two sides of a door frame or a corridor, the roller shutter mechanisms are pulled downwards, the roller shutter mechanisms are unfolded to seal the channel, air circulation is effectively blocked, fire and high-temperature smoke are prevented from spreading, an effective fire separation area is quickly formed for local fire points, and the safety guarantee of fire rescue is greatly improved; the telescopic storage structure can be flexibly applied to different operating environments, such as various room doors, windows, corridors and fire scene channels under various complex conditions, is suitable for sealing the fire scene channels with different widths and heights, and has wide application range and good universality; and structural design is simple, and the storage nature is strong, and it is convenient to carry, dismouting, effectively shortens the fire control tactics and arranges the time, improves fire rescue efficiency.

The invention is further improved in that the telescopic rod component comprises a fixed sleeve, a screw rod and a positioning block, and the fixed sleeve is connected and installed with the hanging buckle; the positioning block is fixedly arranged in the fixed sleeve and is in screwed connection with the screw; one supporting seat is fixedly connected with the outer end of the screw rod, and the other supporting seat is connected and installed with one end, far away from the screw rod, of the fixing sleeve. The supporting seat at the left end is flexibly adjusted in the axial direction of the fixed sleeve by rotating the screw relative to the positioning block, so that the telescopic rod component is flexibly adjusted in a telescopic mode.

The invention is further improved in that a connecting rod fixedly installed with the screw rod in an inserting manner is arranged on the supporting seat at one end of the fixed sleeve; a limiting block is arranged on the inner side of the other end of the fixed sleeve, a stable supporting rod which penetrates through the limiting block in a sliding mode is arranged on the other supporting seat, and an adjusting block which is abutted to the inner side of the limiting block is screwed to the inner end of the stable supporting rod; the stable supporting rod is sleeved with a spring for supporting the limiting block and the supporting seat. Through spring-supported elasticity, realize the regulating block with the inboard butt of stopper when to telescopic link assembly installation, adjust the supporting seat of left end, the supporting seat distance slightly is greater than the passageway width that needs support installation about making, overcomes spring elasticity to the supporting seat of right-hand member and compresses, effectively realizes the convenient installation of telescopic link assembly, and supports the right-hand member supporting seat through the spring, guarantees the reliable stability of telescopic link assembly support installation. The compression elasticity of the spring can be flexibly adjusted by adjusting the screwing position of the adjusting block and the stable supporting rod.

The invention is further improved in that a sheath which is sleeved with the fixed sleeve in a sliding manner is arranged on the supporting seat. The sheath is matched with the fixed sleeve to limit and guide the supporting seat, so that the accuracy and reliability of the adjustment of the supporting seat are enhanced; and effectively protects internal components.

The invention is further improved in that the outer end face of the supporting seat is provided with an anti-skid pad. The non-slip mat guarantees the reliable and stable support installation effect of telescopic link subassembly.

The invention is further improved in that the hanging buckle is an elastic C-shaped buckle, and the inner wall of the hanging buckle is provided with a protective pad. The cylindrical fixing sleeve can be conveniently hung and detached through the C-shaped buckle, and the C-shaped buckle can be flexibly adjusted left and right relative to the telescopic rod assembly; the protection pad can avoid fish tail, crushing between C type buckle and the telescopic rod subassembly, and increases the installation stability firm nature between them.

The invention further improves the structure that each roller shutter mechanism comprises a protective curtain and a roller for winding and unwinding the protective curtain, the lower end of the protective curtain is provided with a counterweight rod, and the roller is provided with a locking rod for locking the roller. The protective curtain adopts glass fiber fireproof cloth or basalt fiber fireproof cloth, so that the flexibility and good high-temperature resistance, heat insulation and flame retardant property of the protective curtain are guaranteed; the scroll adopts a telescopic scroll, the scroll is locked through the lock rod, the retraction of the scroll is avoided, after the use is finished, the lock of the lock rod on the scroll is released, the retraction elasticity of the scroll realizes automatic winding of the protective curtain, and the use convenience is improved; the weight rod can ensure that the protective curtain is completely unfolded and prevent the protective curtain from floating.

The invention further improves that the opposite inner sides of the protective curtains of the two rolling curtain mechanisms are provided with magic tapes which are mutually adhered. Through magic area mutual adhesion, guarantee good sealing performance and stable wholeness between two curtain protections.

The invention is further improved in that the slide rail comprises a guide rail fixedly connected with the hanging buckle and a slide plate arranged in the guide rail in a sliding manner, and the slide plate is connected and installed with the corresponding roller shutter mechanism. The slide rail has simple structure and easy realization.

The invention is further improved in that the guide rail is provided with a limiting assembly which is used for limiting the left limit position and the right limit position of the sliding plate respectively. The limiting assembly limits the left and right limiting positions of the sliding plate, so that the safety and the reliability of use are ensured, and the sliding plate is prevented from being separated from the guide rail.

According to the technical scheme, the invention has the beneficial effects that: the fire-fighting rescue device is simple in structural design, strong in storage performance, convenient to carry and disassemble, capable of effectively shortening fire-fighting tactical arrangement time and improving fire-fighting rescue efficiency; the telescopic rod assembly is adjusted to stretch, the two roller shutter mechanisms are controlled to stretch along the sliding rails on the upper sides of the two roller shutter mechanisms in a staggered mode, the supporting seats at the two ends of the telescopic rod assembly are supported on the two sides of a door frame or a corridor, the roller shutter mechanisms are pulled downwards, the roller shutter mechanisms are unfolded to seal the channel, air circulation is effectively blocked, fire and high-temperature smoke are prevented from spreading, an effective fire separation area is quickly formed for local fire points, and the safety guarantee of fire rescue is greatly improved; the telescopic storage structure can be flexibly applied to different operation environments, such as various room doors, windows, corridors and fire scene channels under various complex conditions, is suitable for sealing the fire scene channels with different widths and heights, and has wide application range and good universality.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of fig. 1 with the protective cover removed.

Fig. 3 is a partially enlarged structural diagram of B in fig. 2.

Fig. 4 is a side view of the structure of fig. 2.

Fig. 5 is a schematic cross-sectional view of a-a in fig. 4.

In the drawings: 1. the safety curtain comprises a protective shell cover, 2, a rolling curtain mechanism, 21, a protective curtain, 22, a reel, 23, a balance weight rod, 24, a magic tape, 25, a lock rod, 3, a telescopic rod component, 31, a fixing sleeve, 32, a supporting seat, 33, a screw rod, 34, a stable supporting rod, 35, a spring, 36, a positioning block, 37, a connecting rod, 38, a limiting block, 39, an adjusting block, 4, a sliding rail, 41, a guide rail, 42, a sliding plate, 43, a limiting folded plate, 5 and a hanging buckle.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1-2, the invention discloses a fast-assembling fire damper, which comprises a telescopic rod component 3 and two rolling shutter mechanisms 2; the upper side of each roller shutter mechanism 2 is respectively provided with a sliding rail 4 which is consistent with the axial extension direction of the telescopic rod component 3, and the telescopic rod component 3 is connected and installed with two sliding rails 4 at the lower side through hanging buckles 5; the two ends of the telescopic rod component 3 are respectively provided with a supporting seat 32.

In the fire rescue process, the telescopic rod component 3 is adjusted to stretch, the two roller shutter mechanisms 2 are controlled to stretch along the slide rails 4 on the upper sides of the two roller shutter mechanisms in a staggered manner, the supporting seats 32 at the two ends of the telescopic rod component 3 are supported on the two sides of a door frame or a corridor, the roller shutter mechanisms 2 are pulled downwards, the roller shutter mechanisms 2 are unfolded to seal a channel, air circulation is effectively blocked, fire and high-temperature smoke are prevented from spreading, an effective fire separation area is quickly formed for a local fire point, and the safety guarantee of fire rescue is greatly improved; the telescopic storage structure can be flexibly applied to different operating environments, such as various room doors, windows, corridors and fire scene channels under various complex conditions, is suitable for sealing the fire scene channels with different widths and heights, and has wide application range and good universality; and structural design is simple, and the storage nature is strong, and it is convenient to carry, dismouting, effectively shortens the fire control tactics and arranges the time, improves fire rescue efficiency.

As shown in fig. 1, a protective casing 1 is installed outside the telescopic rod assembly 3 and the slide rail 4. The protective shell cover 1 effectively protects the telescopic rod assembly 3 and the slide rail 4, prevents high-temperature smoke from influencing the telescopic rod assembly 3 and the slide rail 4, and ensures the repeated use of the fireproof smoke-blocking air brake; and the tightness of the closure of the upper side of the channel can be increased by the protective casing 1.

As shown in fig. 2 to 5, the telescopic rod assembly 3 includes a cylindrical fixing sleeve 31, a screw 33 and a positioning block 36, and the fixing sleeve 31 is connected to the hanging buckle 5; the positioning block 36 is fixedly mounted on the left side inside the fixed sleeve 31 and is rotatably connected with the left end of the screw 33; the left end of the screw 33 is fixedly connected with a supporting seat 32. Through the rotation of screw rod 33 relative positioning piece 36, realize the supporting seat 32 of left end and be in nimble regulation in the fixed sleeve 31 axial direction to the realization is to telescopic link assembly 3's nimble flexible regulation, simple structure, and it is convenient to use, and screw rod structure has the auto-lock nature, and in use can not take place to remove and retract, and the good reliability.

As shown in fig. 5, a connecting rod 37 fixedly installed with the screw 33 in an inserting manner is arranged on the inner side of the supporting seat 32 at the left end of the fixing sleeve 31, that is, the left end of the screw 33 is provided with a slot, the connecting rod 37 is inserted into the slot, and the slot is preferably of a non-circular cross-section structure, so that the connecting rod 37 and the screw 33 are effectively prevented from sliding relatively, and the reliability of connection and installation is ensured. A limiting block 38 is fixedly mounted on the inner side of the right end of the fixed sleeve 31, and a stabilizing support rod 34 which penetrates through the limiting block 38 in a sliding manner is arranged on the inner side of the support seat 32 at the right end, namely, a through hole with an inner diameter larger than the diameter of the stabilizing support rod 34 is formed in the center of the limiting block 38; the inner end part of the stable supporting rod 34 penetrates through the central through hole of the limiting block 38 and is screwed with an adjusting block 39; the stable support rod 34 is sleeved with a spring 35 for supporting the limit block 38 and the support seat 32. Form at telescopic link assembly 3's right-hand member and support stable structure, support elasticity through spring 35, realize regulating block 39 with stopper 38 inboard butt, when installing telescopic link assembly 3, adjust the supporting seat 32 of left end, the supporting seat 32 distance slightly is greater than the passageway width that needs support installation about making, overcome spring 35 elasticity to the supporting seat 32 of right-hand member and compress, effectively realize telescopic link assembly 3's convenient installation, and support right-hand member supporting seat 32 through spring 35, guarantee telescopic link assembly 3 and support the reliable and stable of installation, prevent the problem that drops in the use. By adjusting the screwing position of the adjusting block 39 and the stabilizing support rod 34, the compression elasticity of the spring 35 can be flexibly adjusted to realize flexible installation.

As shown in fig. 5, a sheath slidably sleeved with the fixing sleeve 31 is disposed on the supporting seat 32. When the telescopic rod component 3 is telescopically adjusted, the sheath is matched with the fixed sleeve 31 to limit and guide the supporting seat 32, so that the accuracy and the reliability of the adjustment of the supporting seat 32 are enhanced; and effectively protects the internal screw 33, the spring 35, the stabilizing support rod 34 and other components.

As shown in fig. 1-4, the outer end surface of the supporting seat 32 is provided with a non-slip pad. The slipmat is high temperature resistant rubber material, and the outer terminal surface of slipmat is equipped with a plurality of concentric annular anti-skidding sand grips, guarantees the reliable stable support installation effect of telescopic link subassembly 3.

As shown in fig. 2-3, the hanging buckle 5 is an elastic C-shaped buckle, and a protective pad is arranged on the inner wall of the hanging buckle. The cylindrical fixing sleeve 31 can be conveniently hung and detached through the C-shaped buckle, and the C-shaped buckle can be flexibly adjusted left and right relative to the telescopic rod component 3; the protection pad can avoid the scratch and crush injury between the C-shaped buckle and the telescopic rod component 3, and the installation stability and firmness of the C-shaped buckle and the telescopic rod component are improved.

As shown in fig. 2 to 5, each rolling shutter mechanism 2 includes a protective curtain 21 made of a fireproof material and a reel 22 for winding and unwinding the protective curtain 21, a weight rod 23 is disposed at the lower end of the protective curtain 21, and a lock rod 25 for locking the reel 22 is disposed on the reel. The protective curtain 21 adopts glass fiber fireproof cloth or basalt fiber fireproof cloth, so that the flexibility and good high-temperature resistance, heat insulation and flame retardant property of the protective curtain are guaranteed; the scroll 22 is a telescopic scroll and has retraction elasticity, when in use, after the protective curtain 21 is pulled out, the scroll 22 is locked through the lock rod 25, the retraction of the scroll 22 is avoided, after the use is finished, the lock of the lock rod 25 on the scroll 22 is released, the retraction elasticity of the scroll 22 realizes automatic winding of the protective curtain 21, and the use convenience is improved; the weight bar 23 can ensure the protective curtain 21 to be completely unfolded, and prevent the protective curtain 21 from floating, thereby ensuring the use reliability.

As shown in fig. 1, 2, 4 and 5, the opposite inner sides of the protective curtains 21 of the two rolling shutter mechanisms 2 are provided with magic tapes 24 adhered to each other. The magic tape 24 is in a long strip shape, at least two groups are arranged up and down, and the magic tape is arranged along the telescopic direction of the telescopic rod component 3. When two roll up curtain mechanism 2 crisscross tensile uses, through the mutual bonding of the magic area 24 of strip, guarantee good sealing performance and stable wholeness between two curtain 21 of protecting.

As shown in fig. 3-4, the slide rail 4 includes a guide rail 41 fixedly connected to the hanging buckle 5 and a sliding plate 42 slidably disposed in the guide rail 41, and the sliding plate 42 is connected to the corresponding rolling shutter mechanism 2. The slide rail 4 has a simple structure and is easy to realize.

As shown in fig. 3 to 4, the guide rail 41 is provided with a limiting component for limiting the left and right limit positions of the sliding plate 42. Specifically, the cross-section of the guide rail 41 is a lower open-ended clip structure, a sliding chute is formed in the middle of the guide rail, a limiting folded plate 43 blocking a sliding chute port is formed at the right end of the front guide rail 41 and the left end of the rear guide rail 41 through sheet metal forming respectively, a connecting plate is arranged at the lower side opening of the left end of the front guide rail 41 and the right end of the rear guide rail 41 respectively, and the connecting plate is used for blocking a connecting piece on the upper portion of the roller shutter mechanism 2. The limiting position of the sliding plate 42 can be limited by the limiting folded plate 43 and the connecting plate, so that the use safety and reliability are ensured, and the sliding plate 42 is prevented from being separated from the guide rail 41.

When the fast-assembly fireproof smoke damper is used in fire rescue, firstly, the width of a channel is closed as required, the supporting seat 32 at the left end is adjusted, the distance between the left supporting seat 32 and the right supporting seat 32 is slightly larger than the width of the channel to be supported and installed, and the supporting seat 32 at the right end is compressed, so that the supporting seats 32 at the left end and the right end are firmly supported at two sides of the upper part of the channel; then, the hanging position of the hanging buckle 5 and the fixed sleeve 31 is adjusted, and the rolling curtain mechanisms 2 are stretched in a staggered mode, so that two ends of each rolling curtain mechanism 2 are attached to two side faces of the channel; thirdly, the protective curtains 21 are pulled downwards until contacting the bottom surface of the passage, the reel 22 is locked by the lock bar 25, and the two protective curtains 21 are adhered by the magic tape 24, thereby completing the rapid installation of the fire-proof smoke damper.

The fast-assembly fireproof smoke-blocking air brake is simple in structural design, strong in storage performance, convenient to carry and disassemble, capable of effectively shortening the arrangement time of fire fighting tactics and improving the fire fighting rescue efficiency; the telescopic rod assembly is adjusted to stretch, the two roller shutter mechanisms are controlled to stretch along the sliding rails on the upper sides of the two roller shutter mechanisms in a staggered mode, the supporting seats at the two ends of the telescopic rod assembly are supported on the two sides of a door frame or a corridor, the roller shutter mechanisms are pulled downwards, the roller shutter mechanisms are unfolded to seal the channel, air circulation is effectively blocked, fire and high-temperature smoke are prevented from spreading, an effective fire separation area is quickly formed for local fire points, and the safety guarantee of fire rescue is greatly improved; the telescopic storage structure can be flexibly applied to different operation environments, such as various room doors, windows, corridors and fire scene channels under various complex conditions, is suitable for sealing the fire scene channels with different widths and heights, and has wide application range and good universality.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.