Steel heat insulation fireproof door

Abstract

The utility model relates to the technical field of heat-insulation fireproof doors, in particular to a steel heat-insulation fireproof door, which improves heat-insulation fireproof effects, use safety and fireproof reliability through combined use of a fireproof roller shutter and a door plate. Comprising a door frame and a door plate, the door frame is provided with the traction device, the traction device is used for pulling the door plate to rotate, the base is installed on the inner side wall of the door frame, the left end and the right end of the reel are both rotationally installed on the base, the top end of the fireproof roller shutter is connected with the outer side wall of the reel, and an opening is formed in the upper portion of the door frame. The fire resisting shutter penetrates through the interior of the opening of the door frame, the driving device is installed on the base and used for driving the reel to rotate, and the fire extinguishing device is installed on the door frame and used for extinguishing fire.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-insulating fireproof doors, in particular to a steel heat-insulating fireproof door. Background Art

[0002] In addition to the functions of ordinary doors, steel heat-insulated fire doors have a more obvious function of preventing the spread of fire and smoke. They can quickly stop the spread of fire within a certain period of time and ensure the safe evacuation of personnel.

[0003] As in the patent with prior art authorization announcement number CN207892479U, the utility model discloses a steel insulated fire door, a steel insulated fire door, whose structure includes hinges, a fire door frame, a connecting rod, a door closer, screws, fireproof glass, a fireproof lock, a fireproof handle, a fireproof door leaf, a fireproof glass frame, the fireproof door frame is connected to the fireproof door leaf by a hinge, the fireproof door leaf and the fireproof glass frame are an integrated structure, the fireproof glass is embedded and connected in the fireproof glass frame, the door closer is connected to the fireproof door leaf by screws, the connecting rod is embedded and connected in the door closer, the fireproof lock is embedded and connected in the fireproof door leaf, the fireproof door leaf includes a fireproof rubber strip, an insulation layer, a lock groove, a fireproof steel plate, and a fireproof filler, and the fireproof rubber strip is fitted with the insulation layer.

[0004] However, during the use of the fire door, it was found that the fireproofing and heat-insulating effect of the single-layer fireproof door leaf was poor, which reduced the safety and reliability of fire prevention. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a steel heat-insulating fireproof door which improves the heat-insulating and fire-proofing effect, and improves the safety of use and the fire-proofing reliability through the combined use of a fireproof rolling shutter and a door panel.

[0006] The utility model discloses a steel heat-insulating fireproof door, comprising a door frame and a door panel, wherein the door panel is rotatably mounted on the inner wall of the door frame through hinges; the utility model also comprises a traction device, a driving device, a fire extinguishing device, a base, a reel and a fireproof rolling shutter, wherein the door frame is provided with a traction device, the traction device is used to pull the door panel to rotate, the base is mounted on the inner wall of the door frame, the left and right ends of the reel are rotatably mounted on the base, the top end of the fireproof rolling shutter is connected to the outer wall of the reel, an opening is arranged on the upper part of the door frame, the fireproof rolling shutter passes through the opening of the door frame, the driving device is mounted on the base, The driving device is used to drive the reel to rotate, and the fire extinguishing device is installed on the door frame, and the fire extinguishing device is used to extinguish the fire; the door panel is automatically rotated and closed by pulling the traction device, thereby improving the fire safety of the fire door. When a fire occurs, the driving device drives the reel to unwind and rotate, so that the fireproof roller shutter moves downward to cover the opening of the door frame. The combination of the fireproof roller shutter and the door panel can improve the heat insulation and fireproof effect of the fire door. At the same time, the fire extinguishing device can extinguish the fire source close to the fire door, thereby improving the safety of use and fireproof reliability of the fire door.

[0007] Preferably, the traction device includes a rotating shaft, a wire wheel, a cylinder, a slider, a traction rope and a tension spring, the bottom end of the rotating shaft is connected to the top end of the door panel, the rotating shaft is rotatably installed on the door frame, the wire wheel is installed on the top end of the rotating shaft, the cylinder is installed on the inner wall of the door frame, the slider is installed inside the cylinder for sliding left and right, the left part of the traction rope is wound around the outer wall of the wire wheel, the right end of the traction rope is connected to the outer wall of the slider, the left end of the tension spring is connected to the outer wall of the slider, and the right end of the tension spring is connected to the inner wall of the cylinder; when the door panel is rotated to open, the door panel drives the wire wheel to rotate through the rotating shaft, and the wire wheel reels up the traction rope after rotation, so that the traction rope pulls the slider to the left, and the tension spring provides a pulling force to the right to the slider, thereby improving the convenience of automatic rotation and closing of the door panel and improving the fire safety of the door panel.

[0008] Preferably, the fire extinguishing device includes a fire extinguishing liquid cylinder, a delivery pipe, a nozzle and a valve. The fire extinguishing liquid cylinder is installed on the outer wall of the door frame, the delivery pipe is installed on the outer wall of the door frame, the fire extinguishing liquid cylinder and the delivery pipe are connected by a valve, and multiple groups of nozzles are connected and arranged at the lower part of the outer wall of the delivery pipe; when a fire occurs, the valve is opened to transport the fire extinguishing agent in the fire extinguishing liquid cylinder to the inside of the delivery pipe, and then the fire extinguishing agent is sprayed near the door frame through the multiple groups of nozzles, thereby improving the thermal insulation and fire prevention effect of the fire door.

[0009] Preferably, it also includes a guide groove and a magnet, the guide groove is installed on the inner wall of the door frame, the magnet is installed at the bottom end of the fireproof roller shutter, and the magnet is installed on the guide groove to slide up and down; the guide groove guides the sliding of the magnet to improve the use stability of the fireproof roller shutter and improve the fireproof and heat-insulating effect of the fireproof roller shutter.

[0010] Preferably, it also includes a metal strip, which is arranged below the magnet and embedded in the ground. The magnet and the metal strip are adsorbed and fixed to improve the sealing effect of the bottom end of the fireproof roller shutter and the fireproof and heat-insulating effects.

[0011] Preferably, a smoke alarm is also included, and the smoke alarm is installed on the outer side wall of the door frame to improve the convenience of automatic fire alarm.

[0012] Preferably, the driving device includes a motor, the motor is mounted on the outer side wall of the base, and the output end of the motor is connected to the reel; the reel is driven to rotate by the motor, thereby improving the convenience of using the fireproof roller shutter.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the door panel is automatically rotated and closed by pulling the traction device, thereby improving the fire safety of the fire door; when a fire occurs, the driving device drives the reel to unwind and rotate, so that the fireproof roller shutter moves downward to cover the opening of the door frame; through the combined use of the fireproof roller shutter and the door panel, the heat insulation and fire prevention effect of the fire door is improved; at the same time, the fire source close to the fire door is extinguished by the fire extinguishing device, thereby improving the safety of use and fire prevention reliability of the fire door. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the connection between the door frame and the door panel;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the connection between the rotating shaft and the wire wheel;

[0017] Figure 4 It is a schematic diagram of the axonometric local structure of the connection between the cylinder and the slider;

[0018] Figure 5 It is an axonometric partial structural diagram of the connection between the fire extinguishing liquid cylinder and the valve, etc.

[0019] Markings in the attached figure: 1. door frame; 2. door panel; 3. base; 4. reel; 5. fireproof roller shutter; 6. rotating shaft; 7. wire wheel; 8. cylinder; 9. slider; 10. traction rope; 11. tension spring; 12. fire extinguishing liquid cylinder; 13. delivery pipe; 14. nozzle; 15. valve; 16. guide groove; 17. magnet; 18. metal strip; 19. smoke alarm; 20. motor. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a steel heat-insulating fireproof door of the utility model comprises a door frame 1 and a door panel 2, the door panel 2 is rotatably mounted on the inner wall of the door frame 1 through hinges; it also comprises a traction device, a driving device, a fire extinguishing device, a base 3, a reel 4 and a fireproof rolling shutter 5, the door frame 1 is provided with a traction device, the traction device is used to pull the door panel 2 to rotate, the base 3 is installed on the inner wall of the door frame 1, the left and right ends of the reel 4 are both rotatably mounted on the base 3, the top of the fireproof rolling shutter 5 is connected to the outer wall of the reel 4, the upper part of the door frame 1 is provided with an opening, the fireproof rolling shutter 5 passes through the opening of the door frame 1, the driving device is installed on the base 3, the driving device is used to drive the reel 4 to rotate, the fire extinguishing device is installed on the door frame 1, and the fire extinguishing device is used to extinguish a fire;

[0023] like Figure 4As shown, the traction device includes a rotating shaft 6, a wire wheel 7, a cylinder 8, a slider 9, a traction rope 10 and a tension spring 11. The bottom end of the rotating shaft 6 is connected to the top of the door panel 2, the rotating shaft 6 is rotatably mounted on the door frame 1, the wire wheel 7 is mounted on the top of the rotating shaft 6, the cylinder 8 is mounted on the inner wall of the door frame 1, the slider 9 is slidably mounted inside the cylinder 8, the left part of the traction rope 10 is wound around the outer wall of the wire wheel 7, the right end of the traction rope 10 is connected to the outer wall of the slider 9, the left end of the tension spring 11 is connected to the outer wall of the slider 9, and the right end of the tension spring 11 is connected to the inner wall of the cylinder 8;

[0024] In this embodiment, the door panel 2 is pulled by a traction device to automatically rotate and close, thereby improving the fire safety of the fire door. When a fire occurs, the drive device drives the reel 4 to unwind and rotate, so that the fire curtain 5 moves downward to cover the opening of the door frame 1. The combination of the fire curtain 5 and the door panel 2 can improve the heat insulation and fire prevention effect of the fire door. At the same time, the fire extinguishing device can be used to extinguish the fire source close to the fire door, thereby improving the safety of use and fire prevention reliability of the fire door.

[0025] Example 2

[0026] On the basis of Example 1, Figure 5 As shown, a steel heat-insulating fireproof door of the utility model, the fire extinguishing device includes a fire extinguishing liquid cylinder 12, a delivery pipe 13, a nozzle 14 and a valve 15, the fire extinguishing liquid cylinder 12 is installed on the outer side wall of the door frame 1, the delivery pipe 13 is installed on the outer side wall of the door frame 1, the fire extinguishing liquid cylinder 12 and the delivery pipe 13 are connected through the valve 15, and multiple groups of nozzles 14 are connected and arranged at the lower part of the outer side wall of the delivery pipe 13;

[0027] like Figure 1 As shown, it also includes a guide groove 16 and a magnet 17, the guide groove 16 is installed on the inner wall of the door frame 1, the magnet 17 is installed at the bottom end of the fireproof roller shutter 5, and the magnet 17 is slidably installed on the guide groove 16 up and down;

[0028] like Figure 1 As shown, it also includes a metal strip 18, which is arranged below the magnet 17 and embedded in the ground;

[0029] like Figure 1 As shown, it also includes a smoke alarm 19, which is installed on the outer side wall of the door frame 1;

[0030] In this embodiment, when the door panel 2 rotates to open, the door panel 2 drives the wire wheel 7 to rotate through the rotating shaft 6. After the wire wheel 7 rotates, the traction rope 10 is wound up, so that the traction rope 10 pulls the slider 9 to move to the left, and the slider 9 is provided with a pulling force to the right through the tension spring 11, thereby improving the convenience of automatic rotation and closing of the door panel 2, and improving the fire safety of the door panel 2. When a fire occurs, the valve 15 is opened to allow the fire extinguishing agent in the fire extinguishing liquid cylinder 12 to be transported to the inside of the delivery pipe 13, and then the fire extinguishing agent is sprayed near the door frame 1 through multiple groups of nozzles 14, thereby improving the heat insulation and fire prevention effect of the fire door.

[0031] The utility model discloses a steel heat-insulating fireproof door. When working, a traction device is used to pull a door panel 2 to automatically rotate and close, and a driving device is used to drive a reel 4 to unwind and rotate, so that a fireproof rolling curtain 5 moves downward to cover the opening of a door frame 1, and at the same time, a fire source close to the fireproof door is extinguished by a fire extinguishing device.

[0032] The smoke alarm 19 and the motor 20 of the steel heat-insulating fireproof door of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative labor.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A steel heat-insulating fireproof door, comprising a door frame (1) and a door panel (2), wherein the door panel (2) is rotatably mounted on the inner wall of the door frame (1) by means of hinges; characterized in that: The invention also comprises a traction device, a driving device, a fire extinguishing device, a base (3), a reel (4) and a fireproof rolling curtain (5). The door frame (1) is provided with a traction device, the traction device is used to pull the door panel (2) to rotate, the base (3) is mounted on the inner wall of the door frame (1), the left and right ends of the reel (4) are both rotatably mounted on the base (3), the top of the fireproof rolling curtain (5) is connected to the outer wall of the reel (4), the upper part of the door frame (1) is provided with an opening, the fireproof rolling curtain (5) passes through the opening of the door frame (1), the driving device is mounted on the base (3), the driving device is used to drive the reel (4) to rotate, the fire extinguishing device is mounted on the door frame (1), and the fire extinguishing device is used to extinguish a fire.

2. A steel heat-insulating fire door as claimed in claim 1, characterized in that: The traction device comprises a rotating shaft (6), a wire wheel (7), a cylinder (8), a slider (9), a traction rope (10) and a tension spring (11); the bottom end of the rotating shaft (6) is connected to the top end of the door panel (2); the rotating shaft (6) is rotatably mounted on the door frame (1); the wire wheel (7) is mounted on the top end of the rotating shaft (6); the cylinder (8) is mounted on the inner wall of the door frame (1); the slider (9) is slidably mounted inside the cylinder (8); the left part of the traction rope (10) is wound around the outer wall of the wire wheel (7); the right end of the traction rope (10) is connected to the outer wall of the slider (9); the left end of the tension spring (11) is connected to the outer wall of the slider (9); and the right end of the tension spring (11) is connected to the inner wall of the cylinder (8).

3. A steel heat-insulating fireproof door as claimed in claim 1, characterized in that: The fire extinguishing device comprises a fire extinguishing liquid cartridge (12), a delivery pipe (13), a nozzle (14) and a valve (15); the fire extinguishing liquid cartridge (12) is mounted on the outer side wall of the door frame (1); the delivery pipe (13) is mounted on the outer side wall of the door frame (1); the fire extinguishing liquid cartridge (12) and the delivery pipe (13) are connected via the valve (15); and a plurality of nozzles (14) are connected and arranged at the lower part of the outer side wall of the delivery pipe (13).

4. A steel heat-insulating fire door as claimed in claim 1, characterized in that: It also includes a guide groove (16) and a magnet (17), wherein the guide groove (16) is installed on the inner wall of the door frame (1), the magnet (17) is installed on the bottom end of the fireproof rolling curtain (5), and the magnet (17) is installed on the guide groove (16) in an up-and-down sliding manner.

5. A steel heat-insulating fire door as claimed in claim 4, characterized in that: The invention also comprises a metal strip (18), wherein the metal strip (18) is arranged below the magnet (17), and the metal strip (18) is embedded and installed inside the ground.

6. A steel heat-insulating fireproof door as claimed in claim 1, characterized in that: It also includes a smoke alarm (19), which is installed on the outer side wall of the door frame (1).

7. A steel heat-insulating fire door as claimed in claim 1, characterized in that: The driving device comprises a motor (20), the motor (20) is mounted on the outer side wall of the base (3), and the output end of the motor (20) is connected to the reel (4).

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