Fireproof rolling shutter door with good sealing performance

Abstract

The utility model relates to the technical field of roller shutter doors, in particular to a fireproof roller shutter door with good sealing performance, which comprises a fixed box, a motor is mounted on one side of the inner cavity wall of the fixed box, a rotating shaft is mounted on one side of the motor through an output shaft, a rolling roller is sleeved outside the rotating shaft, a roller shutter door body is mounted on the rolling roller, and a rolling wheel is mounted on the rolling roller body. The bottom end of the roller shutter door body is connected with a bottom plate, a base is arranged under the roller shutter door body, the base is installed on the ground in an embedded mode, the top wall of the base is flush with the bottom face, a clamping groove is formed in the position, corresponding to the bottom plate, of the upper surface of the base, and a sealing gasket is arranged in the clamping groove. A sealing air bag is installed between the inner wall of the clamping groove and the sealing gasket. Through the matching of the structure, the purpose of guaranteeing the sealing performance of the fireproof rolling shutter door is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rolling doors, and particularly relates to a fireproof rolling door with good sealing performance. Background Art

[0002] A fireproof rolling door is a rolling curtain that can meet the requirements of fire resistance stability and integrity together with the frame within a certain period of time, and is composed of a curtain board, a reel, a motor, a guide rail, a bracket, a protective cover, a control mechanism, etc. The curtain surface of the fireproof rolling door is lifted and lowered through a transmission device and a control system, playing a role in fire prevention and fire separation.

[0003] However, when the existing fireproof rolling door is closed, there is a certain gap between the curtain board at the bottom and the ground. In case of a fire, the fire is likely to carry smoke and spread through the gap at the bottom of the rolling door, posing a certain safety hazard and affecting the fireproof effect. Now, a fireproof rolling door with good sealing performance is provided to alleviate the above-mentioned problems. Summary of the Invention

[0004] The utility model realizes the purpose of ensuring the sealing performance of the fireproof rolling door by the cooperation of structures such as a sealing gasket, a sealing airbag, a gas storage pipe, and a hydraulic cylinder, so that the bottom end of the rolling door body is tightly clamped with the base.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A fireproof rolling door with good sealing performance includes a fixed box. One side of the inner cavity wall of the fixed box is provided with a motor, and a rotating shaft is installed on one side of the motor through an output shaft. A winding drum is sleeved on the rotating shaft, and a rolling door body is installed on the winding drum. Further, a bottom plate is connected to the bottom end of the rolling door body, a base is arranged directly below the rolling door body, and the base is embedded in the ground, and the top wall of the base is flush with the bottom surface. A clamping groove is formed on the upper surface of the base corresponding to the position of the bottom plate, a sealing gasket is arranged in the clamping groove, and a sealing airbag is installed between the inner wall of the clamping groove and the sealing gasket.

[0007] Preferably, an installation cavity is formed in the base, the structure of the installation cavity is rectangular, the installation cavity is communicated with the clamping groove, and a buffer component is arranged in the installation cavity. The buffer component includes a buffer plate slidably arranged in the installation cavity, a damper is arranged between the bottom surface of the buffer plate and the inner bottom surface of the installation cavity, and a spring is sleeved outside the damper.

[0008] Preferably, an extrusion device is arranged in the installation cavity. The extrusion device includes an air storage pipe. The air storage pipe is installed at the bottom of the inner cavity of the installation cavity. An elastic air delivery pipe is communicated with the air storage pipe. A plurality of elastic air delivery pipes are arranged at equal intervals. Hydraulic cylinders are installed on both sides of the inner cavity wall of the installation cavity, and the extending ends of the two hydraulic cylinders are both connected with pistons.

[0009] Preferably, symmetrically distributed slide rails are installed at the bottom of the fixed box. Wear-resistant and high-temperature-resistant coatings are provided on the inner surface of the two slide rails. The wear-resistant and high-temperature-resistant coating is selected as ZS-1041 flue gas anti-corrosion coating.

[0010] Preferably, the shapes of the clamping groove and the bottom plate are both trapezoidal, the shapes of the sealing gasket and the sealing airbag are both "U" shaped, and the size of the inner wall of the clamping groove is adapted to the size of the outer wall of the sealing airbag.

[0011] Preferably, nozzles are installed at the bottom of the fixed box in front of the rolling door body. A plurality of nozzles are arranged at equal intervals along the fixed box. An alarm lamp and a smoke sensor are arranged on the side surface of the fixed box.

[0012] Compared with the prior art, the gain effect of the present utility model is as follows:

[0013] 1. By arranging structures such as a sealing gasket, a sealing airbag, an air storage pipe, a hydraulic cylinder and a piston, when the rolling door body descends to the top of the base, the bottom plate and the sealing gasket are clamped with each other. Then, the hydraulic cylinder is started to extend to drive the piston to move, and the gas in the air storage pipe is extruded into the sealing airbag, so that the sealing airbag is inflated and expanded to seal the clamping groove, and the sealing gasket is extruded to be closely attached to the bottom plate, strengthening the stability and sealing performance, and having a better fire prevention effect.

[0014] 2. By arranging a buffer assembly, when the bottom plate enters the clamping groove and extrudes the sealing gasket, the cooperation of the buffer plate, the spring and the damper plays a buffering role in the falling of the rolling door body, reducing the vibration amplitude and the risk of part damage.

[0015] 3. By arranging slide rails and wear-resistant and high-temperature-resistant coatings, the rolling door body descends along the slide rails, effectively preventing the rolling door body from shifting, improving the stability, and at the same time reducing the wear of the rolling door body on the slide rails, improving the sealing effect and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of an embodiment of the present utility model;

[0017] Figure 2 is a partial half-sectional view of an embodiment of the present utility model;

[0018] Figure 3It is a schematic cross-sectional structure diagram of the base, hydraulic cylinder, piston and sealing airbag of the embodiment of the present utility model;

[0019] Figure 4 It is a schematic cross-sectional structure diagram of the gasket, sealing airbag, spring and damper of the embodiment of the present utility model.

[0020] In the figure: fixed box 1; motor 2; rotating shaft 3; winding drum 4; rolling shutter door body 5; bottom plate 6; base 7; card slot 701; installation cavity 702; gasket 8; buffer assembly 9; buffer plate 901; spring 902; damper 903; sealing airbag 10; elastic air pipe 11; hydraulic cylinder 12; piston 13; air storage pipe 14; slide rail 15; wear-resistant and high-temperature-resistant coating 16; spray head 17; alarm lamp 18; smoke sensor 19. Specific embodiments

[0021] The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment

[0023] The features and exemplary embodiments of various aspects of the present utility model will be described in detail below. In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present utility model and are not configured to limit the present utility model. For those skilled in the art, the present utility model can be implemented without some of these specific details. The following description of the embodiments is only provided to provide a better understanding of the present utility model by showing examples of the present utility model.

[0024] The orientation terms appearing in the following description are all the directions shown in the figure, and do not limit the specific structure of the present utility model. In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances; the content not detailedly described in this specification belongs to the prior art well known to those of ordinary skill in the art.

[0025] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments for a clearer understanding of the present utility model.

[0026] Please refer to Figures 1 - 4, a fireproof rolling shutter door with good sealing performance, including a fixed box 1, a motor 2, a rotating shaft 3, a winding drum 4, a rolling shutter door body 5, a bottom plate 6, a base 7, a sealing gasket 8, a buffer assembly 9, a sealing airbag 10, an elastic air pipe 11, a hydraulic cylinder 12, a piston 13, a gas storage pipe 14, a slide rail 15, a wear-resistant and high-temperature-resistant coating 16, a nozzle 17, an alarm light 18 and a smoke sensor 19. On one side of the inner cavity wall of the fixed box 1, a motor 2 is fixedly installed, and on one side of the motor 2, a rotating shaft 3 is fixedly installed through an output shaft. Moreover, a winding drum 4 is fixedly sleeved outside the rotating shaft 3, and a rolling shutter door body 5 is installed on the winding drum 4. The bottom end of the rolling shutter door body 5 is fixedly connected to a bottom plate 6.

[0027] Please refer to Figures 1 - 4 , a base 7 is arranged directly below the rolling shutter door body 5, and the base 7 is embedded in the ground, and the top wall of the base 7 is flush with the bottom surface. A clamping groove 701 is formed on the upper surface of the base 7 corresponding to the position of the bottom plate 6. The clamping groove 701 is used for receiving and fixing the bottom of the rolling shutter door body 5. A sealing gasket 8 is arranged inside the clamping groove 701. The sealing gasket 8 is adapted to the bottom plate 6, so that the bottom plate 6 can just be inserted into the sealing gasket 8. A sealing airbag 10 is installed between the inner wall of the clamping groove 701 and the sealing gasket 8. The sealing airbag 10 can be inflated and deflated to make it closely adhere to the outer surface of the sealing gasket 8, achieving the sealing effect between the rolling shutter door body 5 and the base 7.

[0028] Furthermore, the shapes of both the clamping groove 701 and the bottom plate 6 are trapezoidal, and the shapes of both the sealing gasket 8 and the sealing airbag 10 are "U"-shaped. The size of the inner wall of the clamping groove 701 is adapted to the size of the outer wall of the sealing airbag 10, strengthening the sealing effect and having better fireproof performance.

[0029] Please refer to Figures 1 - 4 , an installation cavity 702 is formed inside the base 7. The structure of the installation cavity 702 is rectangular. The installation cavity 702 is communicated with the clamping groove 701. A buffer assembly 9 is arranged inside the installation cavity 702. The buffer assembly 9 includes a buffer plate 901. The buffer plate 901 is slidably arranged inside the installation cavity 702. The top wall of the buffer plate 901 can be attached to the bottom of the bottom plate 6 and the top inner wall of the installation cavity 702. A damper 903 is fixedly arranged between the bottom surface of the buffer plate 901 and the inner bottom surface of the installation cavity 702. A spring 902 is sleeved outside the damper 903. The two ends of the spring 902 are respectively fixedly connected to the bottom surface of the buffer plate 901 and the inner bottom surface of the installation cavity 702.

[0030] Please refer to Figures 1 - 4, an extrusion device for filling gas into the sealing airbag 10 is arranged inside the installation cavity 702. The extrusion device includes a gas storage pipe 14. The bottom of the inner cavity of the installation cavity 702 is fixedly installed with the gas storage pipe 14. An elastic gas transmission pipe 11 is fixedly communicated with the gas storage pipe 14. A plurality of elastic gas transmission pipes 11 are arranged at equal intervals. The other end of the elastic gas transmission pipe 11 penetrates through the buffer plate 901 and is fixedly communicated with the sealing airbag 10. Hydraulic cylinders 12 are fixedly installed on both sides of the inner cavity wall of the installation cavity 702, and the extending ends of the two hydraulic cylinders 12 are fixedly connected with pistons 13. The pistons 13 are slidably fitted inside the gas storage pipe 14.

[0031] Please refer to Figures 1 - 4 , symmetrically distributed slide rails 15 are fixedly installed at the bottom of the fixed box 1. Both sides of the rolling door body 5 are arranged inside the slide rails 15. Wear-resistant and high-temperature-resistant coatings 16 are arranged on the inner wall surfaces of the two slide rails 15. The wear-resistant and high-temperature-resistant coating 16 is selected as ZS-1041 flue gas anti-corrosion coating, which can resist high temperature and corrosion of substances in the flue gas, and can also reduce the wear of both sides of the rolling door body 5 on the slide rails 15 during the descending process, improving the fire prevention effect.

[0032] Furthermore, a nozzle 17 is fixedly installed at the bottom of the fixed box 1 located on the front side of the rolling door body 5. A plurality of nozzles 17 are arranged at equal intervals along the fixed box 1. The nozzle 17 is fixedly communicated with an external water tank through a water delivery pipe. An alarm lamp 18 and a smoke sensor 19 are fixedly arranged on the side surface of the fixed box 1. The alarm lamp 18 and the smoke sensor 19 are connected to a power supply and a controller through wires, playing a role of safety warning.

[0033] Working principle: When in use, when the smoke sensor 19 senses the fire smoke, it transmits signals to the alarm lamp 18 and the nozzle 17, causing the alarm lamp 18 to give an alarm reminder and driving the nozzle 17 to spray water for fire extinguishing. At the same time, the motor 2 is driven to work. The motor 2 drives the rotating shaft 3 and the winding drum 4 to rotate, causing the rolling door body 5 to drive the bottom plate 6 to move downward along the slide rail 15, so that the bottom plate 6 is inserted into the sealing gasket 8. Then, the hydraulic cylinder 12 is started to extend to drive the piston 13 to move, thereby squeezing the gas in the gas storage pipe 14 into the sealing airbag 10, causing the sealing airbag 10 to inflate and expand to seal the clamping groove 701, and squeezing the sealing gasket 8 to make it close to the bottom plate 6, thereby achieving a better sealing effect.

Claims

1. A fireproof rolling shutter door with good sealing performance, comprising a fixed box (1), a motor (2) is installed on one side of the inner cavity wall of the fixed box (1), and a rotating shaft (3) is installed on one side of the motor (2) through an output shaft, a winding drum (4) is provided on the outer sleeve of the rotating shaft (3), and a rolling shutter door body (5) is installed on the winding drum (4), characterized in that: The bottom end of the rolling door body (5) is connected to a bottom plate (6), a base (7) is arranged directly below the rolling door body (5), and the base (7) is embedded and installed on the ground, and the top wall of the base (7) is flush with the bottom surface, and a slot (701) is provided on the upper surface of the base (7) at a position corresponding to the bottom plate (6), a sealing gasket (8) is arranged in the slot (701), and a sealing airbag (10) is installed between the inner wall of the slot (701) and the sealing gasket (8).

2. A fireproof rolling shutter door with good sealing performance according to claim 1, characterized in that: The base (7) is provided with an installation cavity (702), the structure of the installation cavity (702) is rectangular, the installation cavity (702) is connected with the card slot (701), a buffer component (9) is arranged in the installation cavity (702), the buffer component (9) includes a buffer plate (901) slidably arranged in the installation cavity (702), a damper (903) is arranged between the bottom surface of the buffer plate (901) and the inner bottom surface of the installation cavity (702), and a spring (902) is arranged on the outer shell of the damper (903).

3. A fireproof rolling shutter door with good sealing performance according to claim 2, characterized in that: An extrusion device is arranged in the installation cavity (702), and the extrusion device comprises an air storage pipe (14). The air storage pipe (14) is installed at the bottom of the inner cavity of the installation cavity (702), and the air storage pipe (14) is connected to an elastic air supply pipe (11). A plurality of the elastic air supply pipes (11) are arranged at equal intervals. Hydraulic cylinders (12) are installed on both sides of the inner cavity wall of the installation cavity (702), and the extended ends of the two hydraulic cylinders (12) are connected to pistons (13).

4. A fireproof rolling shutter door with good sealing performance according to claim 1, characterized in that: The bottom of the fixed box (1) is equipped with symmetrically distributed slide rails (15), and the inner wall surfaces of the two slide rails (15) are provided with wear-resistant and high-temperature resistant coatings (16), and the wear-resistant and high-temperature resistant coatings (16) are selected to be ZS-1041 flue gas anticorrosive coatings.

5. A fireproof rolling shutter door with good sealing performance according to claim 1, characterized in that: The shapes of the card slot (701) and the bottom plate (6) are both trapezoidal, the shapes of the sealing pad (8) and the sealing airbag (10) are both "U"-shaped, and the size of the inner wall of the card slot (701) is compatible with the size of the outer wall of the sealing airbag (10).

6. A fireproof rolling shutter door with good sealing performance according to claim 1, characterized in that: A nozzle (17) is installed at the bottom of the fixed box (1) located on the front side of the rolling door body (5), and a plurality of nozzles (17) are arranged at equal intervals along the fixed box (1). An alarm light (18) and a smoke sensor (19) are arranged on the side of the fixed box (1).

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