CN219548750U - Fireproof rolling shutter door - Google Patents

Abstract

The utility model discloses a fireproof rolling door, and relates to the technical field of fireproof rolling doors. The fire-proof rolling shutter is characterized by comprising a winding roller, wherein one end of the outer wall of the winding roller is fixedly connected with a grooved pulley, the outer wall of the winding roller is wound with a fire-proof rolling shutter, the outer wall of the winding roller is rotationally connected with a door frame, one side of the outer wall of the door frame is fixedly provided with a gate closing mechanism and a limiting mechanism, one side of the door frame is fixedly provided with a driving mechanism, and the bottom surface of the door frame is fixedly connected with a threshold.

Description

Fireproof rolling shutter door

Technical Field

The utility model relates to the technical field of fireproof rolling doors, in particular to a fireproof rolling door.

Background

The fireproof rolling shutter door is widely applied to fireproof partition areas of industrial and civil buildings, can effectively prevent fire from spreading and ensure the safety of lives and properties, is an indispensable fireproof facility in modern buildings, is generally made of metal plates such as steel plates and the like, is formed by a buckle or a hinged method, is rolled up in a rotating shaft box at an upper opening of a door or window at ordinary times, and is put down and spread when fire occurs, so as to prevent the fire from spreading from the opening of the door or window.

The Chinese patent document with the authority of CN 217380347U discloses a fireproof rolling shutter door, which comprises a wall body, wherein the rolling shutter door is arranged on the wall body, a shell is arranged on one side of the rolling shutter door on the wall body, a semiconductor refrigerator is arranged in the shell, cold air of the semiconductor refrigerator can reach a main pipe through a pipeline, the main pipe sends the cold air into a cavity of a shutter through a connecting pipe, and heat can be isolated through the cold air in the cavity; a first air port and a second air port are arranged above the shell last time, the first air port is used for radiating heat, the second air port is used for sucking outside air and blowing the outside air into the curtain sheet after cooling, and the first air port and the second air port on which side can be selectively opened according to the fire condition; the utility model can effectively prevent the spread of fire and isolate heat. Aiming at the technical scheme, the following defects exist in use: the prior fireproof rolling door utilizes the motor to drive the scroll to put down the curtain body when a fire disaster occurs, and the condition of power failure often occurs when the fire disaster occurs, so that the prior fireproof rolling door cannot work normally.

For this purpose, a fire-proof roller shutter door is proposed.

Disclosure of Invention

The utility model aims at: in order to solve the problems mentioned in the background art, the utility model provides a fireproof rolling door.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a fire prevention rolling slats door, includes the wind-up roll, the outer wall one end fixedly connected with sheave of wind-up roll, it has fire prevention rolling slats to coil on the outer wall of wind-up roll, rotate on the outer wall of wind-up roll and be connected with the door frame, fixedly on one side outer wall of door frame is equipped with brake mechanism and stop gear, the fixed actuating mechanism that is equipped with in one of them side of door frame, the bottom surface fixedly connected with threshold of door frame through setting up brake mechanism, has guaranteed under the power failure condition that the condition of a fire led to, accessible brake mechanism drives fire prevention rolling slats and spreads downwards to realize the isolation to the condition of a fire, avoid the condition of a fire to spread, play through setting up stop gear, carry out spacing purpose to brake mechanism, make under the condition of no condition of a fire, because receive stop gear spacing effect, brake mechanism can't drive fire prevention rolling slats and move down and expand, guaranteed the unblocked of passageway.

Further, the brake closing mechanism comprises a fixed block, fixed block fixed connection is on one side outer wall of door frame, the spout has been seted up to one side of fixed block far away from the door frame, the spout runs through the top surface of fixed block, the inside slip joint of spout has the slider, the top surface fixedly connected with haulage rope of slider, the haulage rope winds inside the wire casing of sheave, the first spring of bottom surface fixedly connected with of slider, first spring is located inside the spout, just the bottom of first spring and the inner wall top surface fixed connection of spout, first spring is tensile state setting, first jack has been seted up in running through of one of them side of slider, second jack has been seted up in running through of one of them side of fixed block, the specification size of first jack and second jack is the same, and when there is the condition of a fire, the resilience force effect of first spring downwardly pulling slider for the slider slides downwards along the spout, thereby pulls the haulage rope, and drives the sheave and rotates, and drives the wind-up roller and seals the condition of spreading the fire curtain with the fire prevention.

Further, stop gear includes the bolt, the bolt activity runs through and inserts inside first jack and second jack, the bolt is kept away from the one end tip fixedly connected with connecting block of slider, a side fixedly connected with second spring that the bolt was kept away from to the connecting block, the one end fixedly connected with support that the connecting block was kept away from to the second spring, the outside face fixedly connected with of support and door frame, the ring channel has been seted up on the one side outer wall that the connecting block was kept away from to the bolt, the inside joint of ring channel has the snap ring, the snap ring is located one side that the connecting block was kept away from to the slider, the snap ring is made for hard plastics material, when the condition of a fire takes place, and the snap ring of plastics material is burnt to when melting by the flame, the bolt slides to support one side at this moment under the effect of second spring resilience to lead to the bolt to take out from first jack and second jack, and release the stop effect to closing the floodgate mechanism, drive fire prevention rolling curtain and expand through closing the floodgate mechanism and carry out the condition of a fire and keep apart.

Further, actuating mechanism includes servo motor, servo motor fixed connection is in door head position one side of door frame, servo motor's output shaft tip fixedly connected with initiative synchronizing wheel, the cover is equipped with the hold-in range on the initiative synchronizing wheel, the one end cooperation that initiative synchronizing wheel was kept away from to the hold-in range is connected with passive synchronizing wheel, passive synchronizing wheel fixed connection is on the outer wall of wind-up roll, passive synchronizing wheel is located the outside of sheave, after the condition of a fire, through servo motor output shaft drive initiative synchronizing wheel rotation for under the transmission of hold-in range, drive passive synchronizing wheel rotates, and then drives the wind-up roll and rotate, packs up the fire prevention rolling shutter.

Further, the top surface of threshold is located the bottom of fire prevention rolling up the curtain and has seted up the basin, the inside water that has filled of basin, through setting up the basin, in the inside aquatic of basin is inserted in fire prevention rolling up the curtain downwardly moving, can improve the leakproofness between fire prevention rolling up curtain and the threshold, avoids the flue gas to circulate through the clearance between fire prevention rolling up curtain and the threshold.

Further, a side cover plate is detachably connected to one side surface of the door frame, which is close to the closing mechanism, through a bolt, one side surface of the side cover plate is located at the periphery of the clamping ring and penetrates through the periphery of the clamping ring to form a igniting opening, one side surface of the side cover plate is located at the periphery of the synchronous belt and provided with a belt groove, the side cover plate is arranged to play a role in protecting the closing mechanism and the limiting mechanism, the igniting opening is arranged to facilitate burning of the clamping ring by a flame, and the belt groove is arranged to facilitate transmission of the synchronous belt without interference of the side cover plate.

Further, the middle part of the door head of the door frame is fixedly provided with a warning lamp, and the warning lamp is arranged to play a role in warning fire.

The beneficial effects of the utility model are as follows:

1. according to the utility model, by arranging the gate closing mechanism, the fire-proof rolling curtain can be driven to be unfolded downwards by the gate closing mechanism under the condition of power failure caused by fire, thereby isolating the fire, avoiding the spread of the fire, and by arranging the limiting mechanism, the gate closing mechanism is limited, so that under the condition of no fire, the gate closing mechanism can not drive the fire-proof rolling curtain to be unfolded downwards under the limiting effect of the limiting mechanism, and the smoothness of a channel is ensured.

2. According to the utility model, the water tank is arranged, so that when the fireproof roller shutter moves downwards and is inserted into water in the water tank, the tightness between the fireproof roller shutter and the doorsill can be improved, and smoke is prevented from flowing through a gap between the fireproof roller shutter and the doorsill.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial perspective structure in the present utility model;

FIG. 3 is a schematic perspective view of a brake closing mechanism and a limiting mechanism according to the present utility model;

fig. 4 is a partially enlarged perspective view of fig. 3 according to the present utility model.

Reference numerals: 1. a wind-up roll; 2. a sheave; 3. a gate closing mechanism; 4. a limiting mechanism; 5. fireproof roller shutter; 6. a door frame; 7. a driving mechanism; 8. a threshold; 9. a side cover plate; 10. a warning light; 301. a fixed block; 302. a chute; 303. a slide block; 304. a traction rope; 305. a first spring; 306. a first jack; 307. a second jack; 401. a plug pin; 402. a connecting block; 403. a second spring; 404. a bracket; 405. an annular groove; 406. a clasp; 701. a servo motor; 702. a driving synchronizing wheel; 703. a synchronous belt; 704. a passive synchronizing wheel; 801. a water tank; 901. a pilot port; 902. the belt groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Example 1

As shown in figures 1 and 2, the fireproof rolling door comprises a wind-up roller 1, one end of the outer wall of the wind-up roller 1 is fixedly connected with a grooved pulley 2, a fireproof rolling curtain 5 is wound on the outer wall of the wind-up roller 1, a door frame 6 is rotatably connected to the outer wall of the wind-up roller 1, a gate closing mechanism 3 and a limiting mechanism 4 are fixedly arranged on the outer wall of one side of the door frame 6, a driving mechanism 7 is fixedly arranged on one side surface of the door frame 6, a threshold 8 is fixedly connected to the bottom surface of the door frame 6, and more specifically, the gate closing mechanism 3 is arranged, so that under the condition of power failure caused by a fire, the fireproof rolling curtain 5 can be driven to be unfolded downwards through the gate closing mechanism 3, the fire is prevented from spreading, the purpose of limiting the gate closing mechanism 3 is achieved through the arrangement of the limiting mechanism 4, and the fireproof rolling curtain 5 cannot be driven to move downwards to be unfolded under the limiting effect of the limiting mechanism 4 under the condition of no fire, and the smoothness of a channel is ensured.

As shown in fig. 3 and 4, the gate closing mechanism 3 includes a fixed block 301, the fixed block 301 is fixedly connected to an outer wall of one side of the door frame 6, a chute 302 is provided on one side of the fixed block 301 away from the door frame 6, the chute 302 penetrates through the top surface of the fixed block 301, a sliding block 303 is slidably clamped inside the chute 302, a traction rope 304 is fixedly connected to the top surface of the sliding block 303, the traction rope 304 is wound inside a wire groove of the grooved pulley 2, a first spring 305 is fixedly connected to the bottom surface of the sliding block 303, the first spring 305 is located inside the chute 302, the bottom end of the first spring 305 is fixedly connected with the top surface of the inner wall of the chute 302, the first spring 305 is in a stretched state, one side of the sliding block 303 penetrates through a first insertion hole 306, one side of the fixed block 301 penetrates through a second insertion hole 307, the first insertion hole 306 and the second insertion hole 307 have the same specification, more specifically, when a fire occurs, the sliding block 303 is pulled downwards under the action of the rebound force of the first spring 305, so that the sliding block 303 slides downwards along the chute 302, the traction rope 304 is pulled, and the driving 2 rotates, and the winding roller 1 is driven to rotate, thereby, and the grooved pulley 5 is prevented from spreading fire.

As shown in fig. 3 and 4, the limiting mechanism 4 includes a plug 401, the plug 401 movably penetrates through and is inserted into the first jack 306 and the second jack 307, an end part of the plug 401, which is far away from the sliding block 303, is fixedly connected with a connecting block 402, a side surface of the connecting block 402, which is far away from the plug 401, is fixedly connected with a second spring 403, a support 404, which is fixedly connected with an outer side surface of the door frame 6, an annular groove 405 is formed in an outer wall of one side, which is far away from the connecting block 402, of the plug 401, a clamping ring 406 is clamped inside the annular groove 405, the clamping ring 406 is located on one side, which is far away from the connecting block 402, of the sliding block 303, and is made of a hard plastic material, more specifically, when a fire occurs, the clamping ring 406 of the plastic material is burned to be melted by the fire, the plug 401 slides to the support 404 side under the action of the second spring 403, thereby causing the plug 401 to be pulled away from the first jack 306 and the second jack 307, and releasing the limiting function on the closing mechanism 3, and driving the rolling curtain 5 to be unfolded through the closing mechanism 3 to prevent the fire.

As shown in fig. 2, the driving mechanism 7 includes a servo motor 701, the servo motor 701 is fixedly connected to one side of a door head position of the door frame 6, an output shaft end of the servo motor 701 is fixedly connected with an active synchronizing wheel 702, a synchronous belt 703 is sleeved on the active synchronizing wheel 702, one end of the synchronous belt 703 away from the active synchronizing wheel 702 is cooperatively connected with a passive synchronizing wheel 704, the passive synchronizing wheel 704 is fixedly connected to the outer wall of the wind-up roller 1, the passive synchronizing wheel 704 is located on the outer side of the sheave 2, more specifically, after a fire is over, the active synchronizing wheel 702 is driven to rotate through an output shaft of the servo motor 701, so that the passive synchronizing wheel 704 is driven to rotate under the transmission of the synchronous belt 703, and the wind-up roller 1 is driven to rotate, and the fireproof roller curtain 5 is retracted.

As shown in fig. 1, a side face of the door frame 6, which is close to the closing mechanism 3, is detachably connected with a side cover plate 9 through bolts, one side face of the side cover plate 9 is located at the periphery of the clamping ring 406 and is penetrated and provided with an ignition opening 901, one side face of the side cover plate 9 is located at the periphery of the synchronous belt 703 and is provided with a belt groove 902, more specifically, the side cover plate 9 is arranged to play a role in protecting the closing mechanism 3 and the limiting mechanism 4, the ignition opening 901 is arranged to facilitate the burning of the flame to the clamping ring 406, and the belt groove 902 is arranged to facilitate the transmission of the synchronous belt 703 without being interfered by the side cover plate 9.

Example two

As shown in fig. 1 and 2, the top surface of the threshold 8 is located at the bottom of the fire-proof rolling curtain 5, and the water tank 801 is filled with water, more specifically, by setting the water tank 801, when the fire-proof rolling curtain 5 moves downwards and is inserted into the water in the water tank 801, the tightness between the fire-proof rolling curtain 5 and the threshold 8 can be improved, and smoke is prevented from flowing through a gap between the fire-proof rolling curtain 5 and the threshold 8.

As shown in fig. 1, the middle part of the door head of the door frame 6 is fixedly provided with a warning lamp 10, and more specifically, the warning lamp 10 is arranged to play a role in warning fire.

The specific working principle of the utility model is as follows: under the power failure condition caused by a fire, when the snap ring 406 made of plastic materials is burned to be melted by the fire, the bolt 401 slides to one side of the bracket 404 under the action of the resilience force of the second spring 403, so that the bolt 401 is pulled away from the first jack 306 and the second jack 307, the slider 303 is pulled downwards under the action of the resilience force of the spring 305, the slider 303 slides downwards along the chute 302, the traction rope 304 is pulled, the grooved pulley 2 is driven to rotate, and the winding roller 1 is driven to rotate, so that the fire-proof rolling curtain 5 is unfolded to seal a passageway, and fire spreading is avoided.

To sum up:

1. through setting up the floodgate mechanism 3, guaranteed under the power failure condition that causes when the condition of a fire, accessible floodgate mechanism 3 drive fire prevention rolling shutter 5 is to be expanded downwards to realize the isolation to the condition of a fire, avoid the condition of a fire to spread, through setting up stop gear 4, play and carry out spacing purpose to floodgate mechanism 3, make under the condition of no condition of a fire, because receive under stop gear 4 spacing effect, floodgate mechanism 3 can't drive fire prevention rolling shutter 5 and move down and expand, guaranteed the unblocked of passageway.

2. Through setting up basin 801, when fire prevention rolling screen 5 downwardly moving inserts the aquatic of basin 801 inside, can improve the leakproofness between fire prevention rolling screen 5 and the threshold 8, avoid the flue gas to circulate through the clearance between fire prevention rolling screen 5 and the threshold 8.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a fire prevention rolling slats door, its characterized in that, includes wind-up roll (1), outer wall one end fixedly connected with sheave (2) of wind-up roll (1), it has fire prevention rolling slats (5) to coil on the outer wall of wind-up roll (1), rotate on the outer wall of wind-up roll (1) and be connected with door frame (6), fixed brake mechanism (3) and stop gear (4) of being equipped with on the outer wall of one side of door frame (6), one of them side of door frame (6) is fixed to be equipped with actuating mechanism (7), the bottom surface fixedly connected with threshold (8) of door frame (6).

2. The fireproof rolling door according to claim 1, wherein the closing mechanism (3) comprises a fixed block (301), the fixed block (301) is fixedly connected to an outer wall of one side of the door frame (6), a sliding groove (302) is formed in a side surface of the fixed block (301) away from the door frame (6), the sliding groove (302) penetrates through the top surface of the fixed block (301), a sliding block (303) is connected to the sliding groove (302) in a sliding clamping mode, a traction rope (304) is fixedly connected to the top surface of the sliding block (303), the traction rope (304) is wound inside a wire groove of the grooved pulley (2), a first spring (305) is fixedly connected to the bottom surface of the sliding block (303), the first spring (305) is located inside the sliding groove (302), the bottom end of the first spring (305) is fixedly connected to the top surface of the inner wall of the sliding groove (302), the first spring (305) is in a stretching state, one side surface of the sliding block (303) penetrates through a first jack (306), and one side surface of the fixed block (301) is provided with a second jack (307) with the same size.

3. The fireproof rolling door according to claim 1, wherein the limiting mechanism (4) comprises a plug pin (401), the plug pin (401) is movably inserted into the first insertion hole (306) and the second insertion hole (307), one end part of the plug pin (401) away from the sliding block (303) is fixedly connected with a connecting block (402), one side surface of the connecting block (402) away from the plug pin (401) is fixedly connected with a second spring (403), one end of the second spring (403) away from the connecting block (402) is fixedly connected with a bracket (404), the bracket (404) is fixedly connected with the outer side surface of the door frame (6), an annular groove (405) is formed in the outer wall of one side of the plug pin (401) away from the connecting block (402), a clamping ring (406) is clamped in the annular groove (405), and the clamping ring (406) is located on one side of the sliding block (303) away from the connecting block (402), and the clamping ring (406) is made of hard plastic materials.

4. A fire-proof rolling door as claimed in claim 1, wherein the driving mechanism (7) comprises a servo motor (701), the servo motor (701) is fixedly connected to one side of the door head of the door frame (6), an active synchronizing wheel (702) is fixedly connected to the end part of the output shaft of the servo motor (701), a synchronous belt (703) is sleeved on the active synchronizing wheel (702), one end, far away from the active synchronizing wheel (702), of the synchronous belt (703) is connected with a passive synchronizing wheel (704) in a matched manner, the passive synchronizing wheel (704) is fixedly connected to the outer wall of the rolling roller (1), and the passive synchronizing wheel (704) is located on the outer side of the sheave (2).

5. A fire resistant rolling shutter door according to claim 1, characterized in that the top surface of the threshold (8) is provided with a water trough (801) at the bottom of the fire resistant rolling shutter (5), and the water trough (801) is filled with water.

6. The fireproof rolling door according to claim 1, wherein a side face of the door frame (6) close to the closing mechanism (3) is detachably connected with a side cover plate (9) through bolts, one side face of the side cover plate (9) is provided with a lighting opening (901) in a penetrating manner at the periphery of the clamping ring (406), one side face of the side cover plate (9) is provided with a belt groove (902) at the periphery of the synchronous belt (703).

7. A fire-proof rolling door as claimed in claim 1, characterized in that the middle part of the door head of the door frame (6) is fixedly provided with a warning lamp (10).