High-temperature fireproof curtain

Abstract

The utility model discloses a high-temperature fireproof curtain, which belongs to the field of fire fighting and comprises a fireproof roller shutter, roller shutter fixing rods are arranged on two sides below the fireproof roller shutter, the surface of the fireproof roller shutter penetrates through the side walls of the roller shutter fixing rods, and a driving device for driving a shaft lever of the fireproof roller shutter to rotate is arranged on one side of the fireproof roller shutter. Compared with the prior art, the device has the advantages that when a fire occurs, a temperature sensor of the temperature control device is broken, a pull rope loses a traction end, and a spring pushes a spring plate to move upwards, so that a driving rod rotates by taking a hinge end of an elevation angle plate as a circle center, and a driven gear is separated from a meshing gear; the shutter surface of the fire resisting shutter quickly moves downwards under the action of the falling block, so that the gate is closed; compared with traditional manual closing, the device is simple in structure and rapid in response, and the fireproof curtain door can automatically and rapidly fall down when a fire disaster happens.

Description

Technical Field

[0001] The utility model relates to the field of fire protection, in particular to a high-temperature fireproof curtain. Background Art

[0002] In some existing large shopping malls or industrial areas, fire-fighting equipment is one of the indispensable facilities. It can quickly isolate the fire source and extinguish the fire when a fire occurs, so as to ensure the safety of goods or commodities. In order to prevent the spread of fire, people often install fire curtain doors between the gates of the factory to isolate the fire source.

[0003] The existing high-temperature fire curtain is usually composed of a fire curtain, a curtain fixing rod and a driving device. The fire curtain falls downward by rotating the motor of the rotating driving device, and both sides of the curtain surface of the fire curtain are fixed in the curtain fixing rod.

[0004] When a fire occurs, the fireproof roller shutter can slide down under the action of the emergency device, but for home fire curtain doors, because the size of the house door is small, the driving device of the fire curtain door is mostly manually operated. When a fire occurs, the curtain door can only be closed by pulling the curtain surface. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the existing household high-temperature fireproof curtain cannot automatically close the curtain door when facing a fire.

[0006] To solve the above technical problems, the technical solution provided by the utility model is: a high-temperature fireproof curtain, including a fireproof rolling curtain, rolling curtain fixing rods are arranged on both sides of the bottom of the fireproof rolling curtain, the curtain surface of the fireproof rolling curtain passes through the side walls of the rolling curtain fixing rods, a driving device for driving the fireproof rolling curtain shaft to rotate is arranged on one side of the fireproof rolling curtain, an automatic fire curtain lowering device is arranged between the driving device and the fireproof rolling curtain shaft, the automatic fire curtain lowering device includes a spring device located on one side of the driving output shaft of the driving device, an elevation plate for fixing the driving shaft of the driving device and a temperature control device for checking the fire temperature, the temperature control device is connected to the spring device by a pull rope, and a falling block corresponding to the automatic fire curtain lowering device is arranged at the bottom end of the curtain surface of the fireproof rolling curtain.

[0007] As an improvement, a single open roller shutter shell is provided around the fireproof roller shutter, and the open end of the single open roller shutter shell is provided with a closed open roller shutter shell cover, the single open roller shutter shell and the roller shutter shell cover are connected to the two ends of the shaft rod of the fireproof roller shutter through bearings, the bearing passes through the closed end of the single open roller shutter shell and the side wall of the roller shutter shell cover, and the curtain surface of the fireproof roller shutter passes through the single open roller shutter shell and the bottom surface of the roller shutter shell cover.

[0008] As an improvement, a drive box and a drive box cover for storing the drive device are provided on one side of the roller shutter shell cover, and the drive box and the temperature control device are connected to the drive box cover via a bolt structure.

[0009] As an improvement, the driving device includes a driving rod passing through the elevation plate and the spring device, and a driving gear and a driven gear located at both ends of the driving rod. The driving rod is connected to the elevation plate and the spring device through a bearing. The gear surface of the driving gear is provided with a gear belt for supplying the driving gear with rotation. The gear belt passes through the bottom surface of the driving box. The elevation plate is located on the side wall of the driving gear. An anti-fall device is provided between the elevation plate and the driving gear.

[0010] As an improvement, the anti-fall device includes an anti-fall groove located on the side wall of the driving gear and an anti-fall column passing through the elevation plate, and the anti-fall column is connected to the bottom surface of the anti-fall column through hole inside the elevation plate through a pressure spring.

[0011] As an improvement, a meshing gear corresponding to the driven gear is provided on one side of the fireproof roller shutter shaft, the spring device is located between the meshing gear and the elevation plate, the elevation plate is connected to the bottom surface of the drive box through a hinge, the hinge is located between the elevation plate and the driving gear, the driving gear and the driven gear are connected to the driving rod as well as the fireproof roller shutter shaft and the meshing gear through a connecting key.

[0012] As an improvement, the spring device includes a spring plate supporting the drive rod and a spring located between the spring plate and the drive box. The temperature control end of the temperature control device is connected to the bottom surface of the spring plate through a pull rope, the pull rope passes through the drive box and the spring, and the temperature control device is connected to the drive box through a bolt structure.

[0013] As an improvement, the roller shutter shell cover and the single-open roller shutter shell are both connected to the roller shutter fixing rod through a pin structure, and the falling block is connected to the curtain surface of the fireproof roller shutter through a bolt structure.

[0014] The advantages of the utility model compared with the prior art are: when a fire occurs in the device, the temperature sensor of the temperature control device is broken, the pull rope loses its traction end, and the spring pushes the spring plate to move upward, causing the driving rod to rotate with the hinge end of the elevation plate as the center of the circle, so that the driven gear is separated from the meshing gear, and the curtain surface of the fireproof roller shutter moves downward rapidly under the action of the falling block, thereby closing the door; compared with the traditional hand-pull closing, the present device has a simple structure and a fast response, and can automatically and quickly drop the fireproof curtain door in the event of a fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a general structural diagram of a high-temperature fireproof curtain of the utility model.

[0016] Figure 2 The utility model discloses an exploded view of a single open roller shutter shell of a high-temperature fireproof curtain.

[0017] Figure 3 It is a cross-sectional view of a driving device of a high-temperature fireproof curtain of the utility model.

[0018] Figure 4 The utility model discloses a structure diagram of an automatic curtain lowering device for a high-temperature fireproof curtain.

[0019] As shown in the figure: 1. Fireproof roller shutter; 11. Single open roller shutter shell; 12. Roller shutter shell cover; 121. Drive box; 122. Drive box cover; 2. Roller shutter fixing rod; 3. Drive device; 31. Drive rod; 32. Drive gear; 33. Driven gear; 34. Gear belt; 35. Anti-fall device; 351. Anti-fall groove; 352. Anti-fall column; 353. Pressure spring; 36. Meshing gear; 4. Automatic fire curtain lowering device; 41. Spring device; 411. Spring plate; 412. Spring; 42. Elevation plate; 43. Temperature control device; 44. Falling block; 5. Bearing; 6. Hinge. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] As the instruction manual Figure 1 , 2 As shown, it includes a fireproof rolling curtain 1, and rolling curtain fixing rods 2 are arranged on both sides below the fireproof rolling curtain 1. The curtain surface of the fireproof rolling curtain 1 passes through the side walls of the rolling curtain fixing rods 2. One side of the fireproof rolling curtain 1 is provided with a driving device 3 for driving the shaft rod of the fireproof rolling curtain 1 to rotate. A single open rolling curtain shell 11 is arranged around the fireproof rolling curtain 1, and the open end of the single open rolling curtain shell 11 is provided with a rolling curtain shell cover 12 for closing the open opening. The single open rolling curtain shell 11 and the rolling curtain shell cover 12 are both connected to the two ends of the shaft rod of the fireproof rolling curtain 1 through bearings 5. The bearings 5 ​​pass through the closed end of the single open rolling curtain shell 11 and the side of the rolling curtain shell cover 12. The curtain surface of the fireproof roller shutter 1 passes through the bottom surface of the single-open roller shutter shell 11 and the roller shutter shell cover 12, and one side of the roller shutter shell cover 12 is provided with a drive box 121 and a drive box cover 122 for storing the drive device 3, and the drive box 121 and the temperature control device 43 are connected to the drive box cover 122 through a bolt structure, and the roller shutter shell cover 12 and the single-open roller shutter shell 11 are connected to the roller shutter fixing rod 2 through a pin structure, and the falling block 44 is connected to the curtain surface of the fireproof roller shutter 1 through a bolt structure, and the curtain surface of the fireproof roller shutter 1 is pulled to slide between the roller shutter fixing rods 2 to block the fire.

[0022] As the instruction manual Figure 2 , 3As shown in Figure 4, an automatic curtain lowering device 4 for fire is provided between the driving device 3 and the shaft rod of the fireproof rolling curtain 1. The automatic curtain lowering device 4 for fire includes a spring device 41 located on one side of the driving output shaft of the driving device 3, an elevation plate 42 for fixing the driving shaft of the driving device 3, and a temperature control device 43 for checking the fire temperature. The temperature control device 43 is connected to the spring device 41 through a pull rope. The driving device 3 includes a driving rod 31 passing through the elevation plate 42 and the spring device 41, and a driving gear 32 and a driven gear 33 located at both ends of the driving rod 31. The driving rod 31 is connected to the elevation plate 42 and the spring device 41 through a bearing 5. The gear surface of the driving gear 32 is provided with a supply gear for the driving gear 32 to rotate. The gear belt 34 rotates, and the gear belt 34 passes through the bottom surface of the driving box 121. The elevation plate 42 is located on the side wall of the driving gear 32. An anti-falling device 35 is provided between the elevation plate 42 and the driving gear 32. The anti-falling device 35 includes an anti-falling groove 351 located on the side wall of the driving gear 32 and an anti-falling column 352 passing through the elevation plate 42. The anti-falling column 352 is connected to the bottom surface of the anti-falling column through-hole inside the elevation plate 42 through a pressure spring 353. A falling block 44 corresponding to the automatic curtain lowering device 4 in case of fire is provided at the bottom end of the curtain surface of the fireproof roller shutter 1. The driving gear 32 is driven to rotate by pulling the gear belt 34, and the driven gear 33 is rotated synchronously through the kinetic energy transmission of the driving rod 31.

[0023] A meshing gear 36 corresponding to the driven gear 33 is provided on one side of the shaft of the fireproof roller shutter 1, and the spring device 41 is located between the meshing gear 36 and the elevation plate 42. The elevation plate 42 is connected to the bottom surface of the driving box 121 through a hinge 6, and the hinge 6 is located between the elevation plate 42 and the driving gear 32. The driving gear 32 and the driven gear 33 are connected to the driving rod 31, and the shaft of the fireproof roller shutter 1 and the meshing gear 36 are all connected through a connecting key. The spring device 41 includes a spring plate 411 supporting the driving rod 31 and a spring 412 located between the spring plate 411 and the driving box 121. The temperature control end of the temperature control device 43 is connected to the bottom surface of the spring plate 411 through a pull rope, and the pull rope passes through the driving box 121 and the spring 412. The temperature control device 43 is connected to the driving box 121 through a bolt structure. The meshing state of the meshing gear 36 and the driven gear 33 is adjusted by starting the temperature control device 43. When a fire occurs, the spring 412 pushes the driven gear 33 to move upward, so that it is disconnected from the meshing gear 36, so that the curtain surface of the fireproof roller shutter 1 is quickly closed under the action of the falling block 44.

[0024] During the specific implementation of the utility model, bearings 5 ​​are sleeved on the rod surfaces on both sides of the fireproof roller shutter 1, the curtain surface of the fireproof roller shutter 1 is passed through the bottom grooves of the driving box 121 and the driving box cover 122, the bearings 5 ​​are inserted into the bearing holes at the closed end of the fireproof roller shutter 1, and the driving box cover 122 is closed at the opening of the driving box 121; the shaft rod of the fireproof roller shutter 1 and the bearings 5 ​​are passed through the bearing holes of the driving box cover 122; the two side surfaces of the curtain surface of the fireproof roller shutter 1 are inserted into the sliding grooves of the roller shutter fixing rod 2, the pin holes at the top of the roller shutter fixing rod 2 are respectively inserted into the pins on the bottom surfaces of the driving box 121 and the driving box cover 122; the falling blocks 44 are placed in front and behind the curtain surface of the fireproof roller shutter 1, the screw holes of the two are aligned, and screws are screwed into the screw holes of the falling blocks 44 to fix the curtain surface of the fireproof roller shutter 1 between the falling blocks 44.

[0025] A connecting key is placed on the shaft rod of the fireproof roller shutter 1 in the drive box 121, and the meshing gear 36 is sleeved on the connecting key to fix it; a spring 412 is placed on the side of the meshing gear 36, and a spring plate 411 is placed above the spring 412. A pull rope is tied below the spring plate, and the pull rope is passed through the spring 412 and the pull rope hole on the bottom surface of the drive box 121. A temperature control device 43 is placed below the pull rope hole, and it is nailed to the bottom surface of the drive box 121 with screws. The other end of the pull rope is tied to the control bottle of the temperature control device 43, and the pull rope is straightened to put the spring 412 in a compressed state; an elevation plate 42 is placed behind the spring plate 411, and the bearing holes of the elevation plate 42 and the spring plate 411 are aligned. The bottom surface of the elevation plate 42 is fixed to the bottom surface of the drive box 121 with a hinge 6, and the screws are screwed in to fix it. Note that the hinge 6 is on the rear side of the spring plate 411; Put the bearing 5 into the bearing hole of 411, use the driving rod 31 to pass through the bearing 6 in the elevation plate 42 and the spring plate 411, and set the driven gear 33 on the driving rod 31 above the meshing gear 36, and use the connecting key to connect the two so that the driven gear 33 and the meshing gear 36 mesh with each other; put the pressure spring 353 and the anti-falling column 352 in the anti-falling column through hole on the side of the elevation plate 42 in turn, and set the driving gear 32 on the driving rod 31 on the side of the elevation plate 42; note that the anti-falling groove 351 and the anti-falling column 352 on the side of the driving gear 32 are opposite to each other; put the gear belt 34 on the wheel surface of the driving gear 32, and the other end of the gear belt 34 passes through the gear belt through hole on the bottom of the driving box 121; put the driving box cover 122 on the open end of the driving box 121, align the two screw holes, screw in the screws to fix them, and finally use strong glue to stick the device to the door frame.

[0026] When in use, the gear belt 34 is pulled to drive the rotation of the driving gear 32, and the rotation of the shaft rod of the fireproof roller shutter 1 is controlled through the transmission of the driving rod 31, the driven gear 33 and the meshing gear 36, so as to complete the opening and closing of the fireproof roller shutter 1; when a fire occurs, the thermostat of the temperature control device 4 is broken, so that the pull rope loses its tension, and the spring plate 411 rotates with the hinge 6 as the center under the action of the spring 412, so that the driven gear 33 and the meshing gear 36 are separated, and the curtain of the fireproof roller shutter 1 falls rapidly under the action of the falling block 44, so as to close the door. In normal state, the anti-falling device 35 is used to ensure that the fireproof roller shutter 1 will not fall under the action of the falling block 44 after letting go.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A high-temperature fireproof curtain, comprising a fireproof rolling curtain (1), wherein rolling curtain fixing rods (2) are provided on both sides below the fireproof rolling curtain (1), the curtain surface of the fireproof rolling curtain (1) passes through the side walls of the rolling curtain fixing rods (2), and a driving device (3) for driving the shaft of the fireproof rolling curtain (1) to rotate is provided on one side of the fireproof rolling curtain (1), characterized in that: An automatic fire curtain lowering device (4) is provided between the driving device (3) and the shaft of the fireproof rolling curtain (1), and the automatic fire curtain lowering device (4) comprises a spring device (41) located on one side of the driving output shaft of the driving device (3), an elevation plate (42) for fixing the driving shaft of the driving device (3), and a temperature control device (43) for checking the fire temperature, wherein the temperature control device (43) is connected to the spring device (41) via a pull rope, and a falling block (44) corresponding to the automatic fire curtain lowering device (4) is provided at the bottom end of the curtain surface of the fireproof rolling curtain (1).

2. A high temperature fire curtain according to claim 1, characterized in that: The fireproof rolling shutter (1) is provided with a single open rolling shutter shell (11) around its periphery, and the open end of the single open rolling shutter shell (11) is provided with a closed open rolling shutter shell cover (12), and the single open rolling shutter shell (11) and the rolling shutter shell cover (12) are both connected to the two ends of the shaft rod of the fireproof rolling shutter (1) through bearings (5), and the bearings (5) pass through the closed end of the single open rolling shutter shell (11) and the side wall of the rolling shutter shell cover (12), and the curtain surface of the fireproof rolling shutter (1) passes through the bottom surfaces of the single open rolling shutter shell (11) and the rolling shutter shell cover (12).

3. A high temperature fire curtain according to claim 2, characterized in that: A drive box (121) for storing the drive device (3) and a drive box cover (122) are provided on one side of the roller shutter shell cover (12); the drive box (121) and the temperature control device (43) are both connected to the drive box cover (122) via a bolt structure.

4. A high temperature fire curtain according to claim 3, characterized in that: The driving device (3) comprises a driving rod (31) passing through an elevation plate (42) and a spring device (41), and a driving gear (32) and a driven gear (33) located at both ends of the driving rod (31); the driving rod (31) is connected to the elevation plate (42) and the spring device (41) through a bearing (5); a gear belt (34) for supplying the driving gear (32) with rotation is provided on the gear surface of the driving gear (32); the gear belt (34) passes through the bottom surface of the driving box (121); the elevation plate (42) is located on the side wall of the driving gear (32); and an anti-falling device (35) is provided between the elevation plate (42) and the driving gear (32).

5. A high temperature fire curtain according to claim 4, characterized in that: The anti-falling device (35) comprises an anti-falling groove (351) located on the side wall of the driving gear (32) and an anti-falling column (352) passing through the elevation plate (42); the anti-falling column (352) is connected to the bottom surface of the anti-falling column through hole inside the elevation plate (42) via a pressure spring (353).

6. A high temperature fire curtain according to claim 5, characterized in that: A meshing gear (36) corresponding to the driven gear (33) is provided on one side of the shaft of the fireproof roller shutter (1); the spring device (41) is located between the meshing gear (36) and the elevation plate (42); the elevation plate (42) is connected to the bottom surface of the driving box (121) via a hinge (6); the hinge (6) is located between the elevation plate (42) and the driving gear (32); the driving gear (32) and the driven gear (33) are connected to the driving rod (31) and the shaft of the fireproof roller shutter (1) and the meshing gear (36) are all connected via a connecting key.

7. A high temperature fire curtain according to claim 4, characterized in that: The spring device (41) comprises a spring plate (411) supporting the driving rod (31) and a spring (412) located between the spring plate (411) and the driving box (121); the temperature control end of the temperature control device (43) is connected to the bottom surface of the spring plate (411) via a pull rope, the pull rope passes through the driving box (121) and the spring (412); and the temperature control device (43) is connected to the driving box (121) via a bolt structure.

8. A high temperature fire curtain according to claim 2, characterized in that: The rolling shutter shell cover (12) and the single-open rolling shutter shell (11) are both connected to the rolling shutter fixing rod (2) via a pin structure, and the falling block (44) is connected to the curtain surface of the fireproof rolling shutter (1) via a bolt structure.

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