Strong ventilation fire door

By designing a fire door smoke exhaust mechanism in the fire door, using axial fan and adjusting screw system, the problem that smoke cannot spread during fire is solved, the smoke is effectively discharged, and the escape time of people is improved.

CN118997648BActive Publication Date: 2025-03-18泰兴市强达人防设备有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202411472431.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-03-18
Estimated Expiration
2044-10-22

AI Technical Summary

Technical Problem

The existing fire doors are closed to the passage during fire, so the smoke cannot spread effectively, and the smoke concentration increases rapidly, causing the proportion of people to be smoked to death, and the spread of smoke reduces the escape time of some people.

Method used

A strongly ventilated human fire door is designed, equipped with a fire door smoke exhaust mechanism, including an axial fan, a smoking pipe, a smoke collecting pipe and a smoke exhaust pipe. The level and angle adjustment of the smoking pipe are driven by the servo motor and the adjustment screw to ensure that the smoke can be discharged effectively.

Benefits of technology

By effectively ejecting smoke, the smoke concentration at the fire scene is reduced, the escape time of people is increased, and the space on both sides of the door panel is protected.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN118997648B_ABST
    Figure CN118997648B_ABST
Patent Text Reader

Abstract

The present invention discloses a strong-ventilation human-defense fire door, which relates to the technical field of fire doors, including a fire door mechanism, wherein a horizontal adjustment mechanism is fixedly connected to the side of the fire door mechanism, an angle adjustment mechanism is installed inside the horizontal adjustment mechanism, a fire door smoke exhaust mechanism is fixedly connected to the upper part of the angle adjustment mechanism, and a height adjustment mechanism is installed at the bottom of the horizontal adjustment mechanism. The present invention exhausts smoke by turning on an axial flow fan, which transmits suction to a smoking pipe through a smoke collecting pipe and a connecting hose, inhales smoke through the smoking pipe, and discharges smoke through the smoke exhaust pipe according to a designed position. When installing the smoking pipe, the smoking pipe is installed at a higher position to ensure a good smoke exhaust effect, while avoiding a low height that affects the escape of personnel. The smoke on the other side of the door panel is discharged outwardly through the fire door smoke exhaust mechanism, thereby reducing the concentration of smoke at the fire scene and increasing the escape time for personnel still at the fire scene.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of fire doors, in particular to a strong-ventilation human-protection fire door. Background Art

[0002] Civil air defense projects usually refer to facilities used for air defense and disaster prevention in underground buildings or underground spaces. Although most civil air defense projects are underground buildings, some are located on the ground or in high-rise buildings. Fire doors need to be installed during the construction of civil air defense projects. Fire doors are used to separate the building space to form a relatively safe space for people to take emergency shelter.

[0003] In the prior art, when a fire door is in use, its main function is to play a fire isolation role when a fire occurs, effectively control the spread of fire, increase the time for evacuation and escape of personnel, and protect the safety of life and property of personnel. When a fire occurs, personnel flee outward and flee outward after opening the fire door. The fire door is automatically closed by an automatic door closer, isolating the escape passage into a relatively safe independent area. Although the existing fire door can close the passage to provide a longer escape time for the personnel who have fled the scene, it will also lead to a reduction in the smoke diffusion space on the other side, and the smoke cannot be effectively diffused outward, causing the smoke to gather quickly and the smoke concentration to rise rapidly. According to statistics, in fire accidents, about 80% of the victims in the fire scene are suffocated to death rather than burned. Because the space is reduced, the smoke cannot diffuse outward, which also reduces the escape time of some people. Summary of the invention

[0004] The purpose of the present invention is to provide a strongly ventilated civil air defense fire door to solve the problem that the existing fire door proposed in the above background technology can close the passage to provide longer escape time for the people who have fled the scene, but it will also reduce the smoke diffusion space on the other side, and the smoke cannot effectively diffuse outward, causing the smoke to gather quickly and the smoke concentration to rise rapidly. According to statistics, in fire accidents, about 80% of the victims in the fire scene are suffocated to death rather than burned. Because the space is reduced, the smoke cannot diffuse outward, which also reduces the escape time of some people.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a strongly ventilated civil air-defense fire door, comprising a fire door mechanism, a horizontal adjustment mechanism fixedly connected to the side of the fire door mechanism, an angle adjustment mechanism installed inside the horizontal adjustment mechanism, a fire door smoke exhaust mechanism fixedly connected to the upper part of the angle adjustment mechanism, a height adjustment mechanism installed at the bottom of the horizontal adjustment mechanism, the height adjustment mechanism fixedly connected to the side of the fire door mechanism, the fire door mechanism comprising a fixed door frame, a door panel rotatably connected to the surface of the fixed door frame, an automatic door closer fixedly connected to one side of the fixed door frame, one end of the automatic door closer fixedly connected to the door panel, the fire door smoke exhaust mechanism used to discharge smoke on one side of the fire door mechanism outwardly, the fire door smoke exhaust mechanism comprising a smoking pipe, the smoking pipe used to absorb smoke, the horizontal adjustment mechanism used to move the horizontal position of the angle adjustment mechanism so as to drive the horizontal position of the smoking pipe to be adjusted, the angle adjustment mechanism used to adjust the angle of the smoking pipe, and the height adjustment mechanism used to adjust the height of the horizontal adjustment mechanism so as to adjust the height of the smoking pipe.

[0006] Preferably, the height adjustment mechanism includes a No. 2 fixing plate, the No. 2 fixing plate is fixedly connected to the side of the fixed door frame, and a threaded sleeve is fixedly connected to the upper portion of the No. 2 fixing plate, and a threaded support rod is threadedly connected to the inside of the threaded sleeve.

[0007] Preferably, the horizontal adjustment mechanism includes two guide rails and two No. 1 fixed plates, the two guide rails are symmetrically fixed on the sides of the fixed door frame, a slider is slidably connected inside the guide rail, the side of the slider is fixedly connected to the No. 1 fixed plate, one side of the No. 1 fixed plate is fixedly connected to a No. 1 gear box, and the other side of the No. 1 fixed plate is fixedly connected to a No. 2 gear box, the No. 1 gear box and the No. 2 gear box are respectively rotatably connected to No. 1 bevel gears inside, and a protective cover is fixedly connected to the side of the No. 1 fixed plate.

[0008] Preferably, the horizontal adjustment mechanism includes a servo motor, a connecting frame and six connecting blocks, the servo motor is fixedly connected to the side of the No. 1 gear box, and the output end of the servo motor is fixedly connected to an adjusting screw, the adjusting screw is rotatably connected to the No. 1 fixed plate, the connecting frame is slidingly connected to the side of the door panel, and the connecting frame is rotatably connected to the middle part of the adjusting screw, the six connecting blocks are evenly divided into two groups, the two groups of connecting blocks are symmetrically distributed on both sides of the connecting frame, the middle of the leftmost connecting block and the rightmost connecting block of the six connecting blocks are fixedly connected with an adjusting block, the surface of the adjusting screw is provided with two threads in opposite directions, and the two adjusting blocks are respectively located on the two threaded surfaces and are threadedly connected to the adjusting screw.

[0009] Preferably, the back side of the connecting block is rotatably connected to a folding frame, one end of the folding frame is rotatably connected to the side of the connecting frame, the folding frame is used to pull a group of connecting blocks to unfold, and the folding frame is used to pull a group of connecting blocks to merge, the side of the No. 1 fixed plate is fixedly connected to a limiting rod, and the connecting block is slidably connected to the limiting rod.

[0010] Preferably, a first bevel gear is fixedly connected to the top of the threaded support rod, and a second bevel gear is meshed on the upper portion of the first bevel gear, and the second bevel gear is fixedly connected to the adjusting screw.

[0011] Preferably, the angle adjustment mechanism includes a No. 1 gear body and a No. 1 connecting shaft, the No. 1 gear body is fixedly connected to one end of the adjusting screw, the No. 1 connecting shaft is rotatably connected to a No. 1 fixed plate, and a No. 2 gear body is fixedly connected to the surface of the No. 1 connecting shaft, and the No. 2 gear body is meshed with the No. 1 gear body.

[0012] Preferably, a No. 3 gear box is fixedly connected to the upper part of the connecting block, a worm wheel is rotatably connected inside the No. 3 gear box, a No. 2 connecting shaft is fixedly connected to the upper part of the worm wheel, and a worm is meshed with the side of the worm wheel, the worm is slidably engaged with the No. 1 connecting shaft, and the worm is rotatably connected to the No. 3 gear box.

[0013] Preferably, the fire door smoke exhaust mechanism includes an axial flow fan, one end of the axial flow fan is fixedly connected to a smoke exhaust pipe, and the other end of the axial flow fan is fixedly connected to a smoke collecting pipe, the bottom of the smoke collecting pipe is fixedly connected to a connecting hose, and the bottom of the connecting hose is fixedly connected to a smoking pipe.

[0014] Preferably, a connecting plate is fixedly connected to one side of the smoking pipe, and the bottom of the connecting plate is fixedly connected to the second connecting shaft.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, when a fire occurs, the axial flow fan is turned on to exhaust smoke. The axial flow fan transmits suction to the smoke pipe through the smoke collecting pipe and the connecting hose, sucks smoke through the smoke pipe, and exhausts the smoke according to the designed position through the smoke exhaust pipe. When installing the smoke pipe, the smoke pipe is installed at a higher position to ensure a good smoke exhaust effect, while avoiding a low height that affects the escape of personnel. The smoke on the other side of the door panel is discharged outward through the smoke exhaust mechanism of the fire door, thereby reducing the concentration of smoke at the fire scene and increasing the escape time for personnel still at the fire scene.

[0017] 2. In the present invention, the adjusting screw is driven to rotate by a servo motor, and the adjusting screw is used to drive the adjusting block installed inside the leftmost connecting block to move to the left, and at the same time, the adjusting screw drives the adjusting block installed inside the rightmost connecting block to move to the right, thereby driving the leftmost and rightmost connecting blocks. As the leftmost and rightmost connecting blocks move, the folding frame is pulled to unfold, thereby unfolding other connecting blocks, and the upper connecting plate and smoking pipe are driven to unfold by the unfolding action of the connecting blocks, thereby adjusting the horizontal position of the smoking pipe. By adjusting the horizontal position of the smoking pipe, the smoke exhaust mechanism of the fire door can exhaust smoke from different horizontal positions on the upper floor of the building.

[0018] 3. In the present invention, when the adjusting screw drives the smoking pipe to unfold, the adjusting screw will also drive the No. 1 gear body to rotate, and the No. 2 gear body and the No. 1 connecting shaft are driven to rotate under the rotation action of the No. 1 gear body, and at the same time, the No. 1 connecting shaft drives the worm to rotate, and at this time, the worm drives the worm wheel and the No. 2 connecting shaft to rotate, and the angle of the connecting plate and the smoking pipe is adjusted by the No. 2 connecting shaft. By rotating and adjusting the angle of the smoking pipe, the smoking pipe can absorb the smoke that stays at the connection between the fixed door frame and the door panel, avoiding a large amount of smoke from leaking out from the connection between the fixed door frame and the door panel, and protecting the space on both sides of the door panel at the same time.

[0019] 4. In the present invention, the No. 2 bevel gear rotates under the rotation of the adjusting screw rod, and the No. 2 bevel gear drives the No. 1 bevel gear and the threaded support rod to rotate. At this time, the threaded support rod moves downward along the threaded sleeve, and drives the No. 1 bevel gear downward through the threaded support rod, and at the same time drives the No. 1 gear box, the No. 2 gear box and the No. 1 fixed plate to move downward, and finally drives the smoking pipe on the upper part of the horizontal adjustment mechanism to move downward, and then drives the smoking pipe upward through the reverse rotation of the servo motor. The up and down movement of the smoking pipe can fully discharge the smoke from the upper layer of the building. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the first three-dimensional structure of the strong ventilation civil air-defense fire door of the present invention;

[0021] Figure 2 A second three-dimensional structural schematic diagram of the strong ventilation civil air-defense fire door of the present invention;

[0022] Figure 3 This is a front view structural schematic diagram of the strong ventilation fireproof door of the present invention;

[0023] Figure 4 It is a side view structural schematic diagram of the strong ventilation civil air-defense fire door of the present invention;

[0024] Figure 5It is a front view structural schematic diagram of the adjusting screw rod in the strong ventilation civil air-defense fire door of the present invention;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the connecting block in the strong ventilation fireproof door of the present invention;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the folding frame in the strong ventilation fireproof door of the present invention;

[0027] Figure 8 This is a schematic diagram of the internal structure of the No. 3 gear box in the strong ventilation civil air defense fire door of the present invention.

[0028] In the figure: 1. Fire door mechanism; 11. Fixed door frame; 12. Door panel; 13. Automatic door closer; 2. Fire door smoke exhaust mechanism; 21. Axial fan; 22. Smoke exhaust pipe; 23. Smoke collecting pipe; 24. Connecting hose; 25. Smoke pipe; 26. Connecting plate; 3. Horizontal adjustment mechanism; 31. Guide rail; 32. Sliding block; 33. Fixed plate No. 1; 34. Gear box No. 1; 35. Gear box No. 2; 36. Protective cover; 37. Servo motor; 38. Adjusting screw; 39. Connecting block; 310. Connecting frame; 311. Adjusting block; 312. Folding frame; 313. Limiting rod; 4. Height adjustment mechanism; 41. No. 2 fixing plate; 42. Threaded sleeve; 43. Threaded support rod; 44. No. 1 bevel gear; 45. No. 2 bevel gear; 5. Angle adjustment mechanism; 51. No. 1 gear body; 52. No. 1 connecting shaft; 53. No. 2 gear body; 54. No. 3 gear box; 55. Worm; 56. Worm wheel; 57. No. 2 connecting shaft. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1: Reference Figure 1 - Figure 8As shown: a strong ventilation human air defense fire door comprises a fire door mechanism 1, a horizontal adjustment mechanism 3 is fixedly connected to the side of the fire door mechanism 1, an angle adjustment mechanism 5 is installed inside the horizontal adjustment mechanism 3, a fire door smoke exhaust mechanism 2 is fixedly connected to the upper part of the angle adjustment mechanism 5, a height adjustment mechanism 4 is installed at the bottom of the horizontal adjustment mechanism 3, the height adjustment mechanism 4 is fixedly connected to the side of the fire door mechanism 1, the fire door mechanism 1 comprises a fixed door frame 11, a door panel 12 is rotatably connected to the surface of the fixed door frame 11, an automatic door closer 13 is fixedly connected to one side of the fixed door frame 11, and an automatic door closer 13 is automatically installed on the side of the fixed door frame 11. One end of the dynamic door closer 13 is fixedly connected to the door panel 12. The fire door smoke exhaust mechanism 2 is used to discharge the smoke on one side of the fire door mechanism 1 to the outside. The fire door smoke exhaust mechanism 2 includes a smoking pipe 25, which is used to absorb smoke. The horizontal adjustment mechanism 3 is used to move the horizontal position of the angle adjustment mechanism 5 so as to adjust the horizontal position of the smoking pipe 25. The angle adjustment mechanism 5 is used to adjust the angle of the smoking pipe 25. The height adjustment mechanism 4 is used to adjust the height of the horizontal adjustment mechanism 3, thereby adjusting the height of the smoking pipe 25.

[0031] In this embodiment, when a fire breaks out and people start to flee the scene, they push open the door panel 12 and flee to the safe passage. The door panel 12 is reset by the automatic door closer 13, and the door panel 12 is closed to isolate the smoke, thereby preventing the smoke from spreading quickly and improving the escape time of the escapers.

[0032] When a fire occurs, the axial flow fan 21 is turned on for smoke exhaust. The axial flow fan 21 transmits suction to the smoke pipe 25 through the smoke collecting pipe 23 and the connecting hose 24, sucks in smoke through the smoke pipe 25, and exhausts the smoke through the smoke exhaust pipe 22 according to the designed position. During the design, the smoke exhaust pipe 22 can be connected with the smoke duct of the building, or the smoke exhaust pipe 22 can be directly led to the outdoors. Because the smoke mainly stays in the upper position inside the building, when installing the smoke pipe 25, the smoke pipe 25 is also installed at a higher position to ensure a good smoke exhaust effect, while avoiding a low height that affects the escape of personnel. The smoke on the other side of the door panel 12 is discharged outwardly through the fire door smoke exhaust mechanism 2, thereby reducing the concentration of smoke at the fire scene and increasing the escape time for personnel still at the fire scene. The horizontal position, height and angle of the smoke pipe 25 are adjusted through the horizontal adjustment mechanism 3, the height adjustment mechanism 4 and the angle adjustment mechanism 5, so that the smoke is fully discharged.

[0033] Embodiment 2: According to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the horizontal adjustment mechanism 3 includes two guide rails 31 and two No. 1 fixed plates 33. The two guide rails 31 are symmetrically fixed on the sides of the fixed door frame 11. A slider 32 is slidably connected inside the guide rail 31. The side of the slider 32 is fixedly connected to the No. 1 fixed plate 33. A No. 1 gear box 34 is fixedly connected to the side of one No. 1 fixed plate 33, and a No. 2 gear box 35 is fixedly connected to the side of the other No. 1 fixed plate 33. The No. 1 gear box 34 and the No. 2 gear box 35 are respectively rotatably connected to the No. 1 bevel gear 44 inside, and a protective cover 36 is fixedly connected to the side of the No. 1 fixed plate 33.

[0034] The horizontal adjustment mechanism 3 includes a servo motor 37, a connecting frame 310 and six connecting blocks 39. The servo motor 37 is fixedly connected to the side of the No. 1 gear box 34, and the output end of the servo motor 37 is fixedly connected to the adjusting screw 38, the adjusting screw 38 is rotatably connected to the No. 1 fixed plate 33, the connecting frame 310 is slidingly connected to the side of the door panel 12, and the connecting frame 310 is rotatably connected to the middle of the adjusting screw 38. The six connecting blocks 39 are evenly divided into two groups, and the two groups of connecting blocks 39 are symmetrically distributed on both sides of the connecting frame 310. The middle of the leftmost connecting block 39 and the rightmost connecting block 39 of the six connecting blocks 39 are fixedly connected with an adjusting block 311, and the surface of the adjusting screw 38 is provided with two threads in opposite directions. The two adjusting blocks 311 are respectively located on the two thread surfaces and are threadedly connected to the adjusting screw 38.

[0035] The back of the connecting block 39 is rotatably connected to a folding frame 312, one end of the folding frame 312 is rotatably connected to the side of the connecting frame 310, the folding frame 312 is used to pull a group of connecting blocks 39 to unfold, and the folding frame 312 is used to pull a group of connecting blocks 39 to merge, the side of the No. 1 fixed plate 33 is fixedly connected to a limiting rod 313, and the connecting block 39 is slidably connected to the limiting rod 313.

[0036] In this embodiment, when the smoking pipe 25 absorbs smoke, the adjusting screw rod 38 is driven to rotate by the servo motor 37, and the adjusting screw rod 38 drives the adjusting block 311 installed inside the leftmost connecting block 39 to move to the left, and at the same time, the adjusting screw rod 38 drives the adjusting block 311 installed inside the rightmost connecting block 39 to move to the right, thereby driving the leftmost and rightmost connecting blocks 39. As the leftmost and rightmost connecting blocks 39 move, the folding frame 312 is pulled to unfold, thereby unfolding the other connecting blocks 39. Through the unfolding of the connecting blocks 39, the upper connecting plate 26 and the smoking pipe 25 are driven to unfold through the unfolding action of the connecting blocks 39, thereby adjusting the horizontal position of the smoking pipe 25. By adjusting the horizontal position of the smoking pipe 25, the fire door smoke exhaust mechanism 2 can exhaust smoke from different horizontal positions on the upper floor of the building. In the process of moving the connecting block 39, the movement of the connecting block 39 is limited by the limiting rod 313, thereby improving the stability of the connecting block 39 when moving.

[0037] Embodiment 3: According to Figure 1-Figure 8 As shown, the angle adjustment mechanism 5 includes a first gear body 51 and a first connecting shaft 52, the first gear body 51 is fixedly connected to one end of the adjusting screw rod 38, the first connecting shaft 52 is rotatably connected to the first fixing plate 33, and the surface of the first connecting shaft 52 is fixedly connected to a second gear body 53, the second gear body 53 is meshed with the first gear body 51, the upper part of the connecting block 39 is fixedly connected to a third gear box 54, the interior of the third gear box 54 is rotatably connected to a worm gear 56, the upper part of the worm gear 56 is fixedly connected to a second connecting shaft 57, and the worm gear 5 6 is meshed with a worm 55 on the side, the worm 55 is slidably engaged with the No. 1 connecting shaft 52, the worm 55 is rotationally connected with the No. 3 gear box 54, the fire door smoke exhaust mechanism 2 includes an axial flow fan 21, one end of the axial flow fan 21 is fixedly connected to the smoke exhaust pipe 22, and the other end of the axial flow fan 21 is fixedly connected to the smoke collecting pipe 23, the bottom of the smoke collecting pipe 23 is fixedly connected to the connecting hose 24, the bottom of the connecting hose 24 is fixedly connected to the smoking pipe 25, one side of the smoking pipe 25 is fixedly connected to the connecting plate 26, and the bottom of the connecting plate 26 is fixedly connected to the No. 2 connecting shaft 57;

[0038] The height adjustment mechanism 4 includes a No. 2 fixing plate 41, which is fixedly connected to the side of the fixed door frame 11, and a threaded sleeve 42 is fixedly connected to the upper part of the No. 2 fixing plate 41, and a threaded support rod 43 is threadedly connected to the inner part of the threaded sleeve 42, and a No. 1 bevel gear 44 is fixedly connected to the top of the threaded support rod 43, and a No. 2 bevel gear 45 is meshed with the upper part of the No. 1 bevel gear 44, and the No. 2 bevel gear 45 is fixedly connected to the adjusting screw 38.

[0039] In this embodiment, when the adjusting screw rod 38 drives the smoking pipe 25 to unfold, the adjusting screw rod 38 also drives the No. 1 gear body 51 to rotate, and the No. 2 gear body 53 and the No. 1 connecting shaft 52 are driven to rotate under the rotation of the No. 1 gear body 51, and the No. 1 connecting shaft 52 drives the worm 55 to rotate. At this time, the worm 55 drives the worm wheel 56 and the No. 2 connecting shaft 57 to rotate, and the angle of the connecting plate 26 and the smoking pipe 25 is adjusted by the No. 2 connecting shaft 57. By rotating and adjusting the angle of the smoking pipe 25, the smoking pipe 25 can absorb the smoke staying at the connection between the fixed door frame 11 and the door panel 12, so as to avoid a large amount of smoke from leaking out from the connection between the fixed door frame 11 and the door panel 12, and protect the space on both sides of the door panel 12 at the same time;

[0040] At the same time, under the rotation action of the adjusting screw rod 38, the No. 2 bevel gear 45 rotates, and the No. 1 bevel gear 44 and the threaded support rod 43 are driven to rotate. At this time, the threaded support rod 43 moves downward along the threaded sleeve 42, and drives the No. 1 bevel gear 44 downward through the threaded support rod 43, and at the same time drives the No. 1 gear box 34, the No. 2 gear box 35 and the No. 1 fixed plate 33 to move downward, and finally drives the smoking pipe 25 on the upper part of the horizontal adjustment mechanism 3 to move downward, and then drives the smoking pipe 25 to move upward through the reverse rotation of the servo motor 37. The up and down movement of the smoking pipe 25 can fully discharge the smoke from the upper layer of the building. During the up and down movement of the No. 1 fixed plate 33, the slider 32 moves up and down along the guide rail 31 to limit the No. 1 fixed plate 33, thereby improving the stability of the smoking pipe 25 when it moves up and down.

[0041] The use method and working principle of the device: When a fire occurs and people start to flee the scene, they push open the door panel 12 and flee to the safe passage. The door panel 12 is reset by the automatic door closer 13, and the door panel 12 is closed to isolate the smoke, prevent the smoke from spreading quickly, and increase the escape time of the escapers;

[0042] When a fire occurs, the axial flow fan 21 is turned on to exhaust smoke. The axial flow fan 21 transmits suction force to the smoke pipe 25 through the smoke collecting pipe 23 and the connecting hose 24. The smoke is sucked in through the smoke pipe 25 and discharged through the smoke exhaust pipe 22 according to the designed position. The smoke pipe 25 is installed at a higher position, and the smoke on the other side of the door panel 12 is discharged outward through the fire door smoke exhaust mechanism 2, thereby reducing the smoke concentration at the fire scene.

[0043] When the smoking pipe 25 is sucking out smoke, the adjusting screw rod 38 is driven to rotate by the servo motor 37, and the adjusting screw rod 38 drives the adjusting block 311 installed inside the leftmost connecting block 39 to move to the left, and at the same time, the adjusting screw rod 38 drives the adjusting block 311 installed inside the rightmost connecting block 39 to move to the right, thereby driving the leftmost and rightmost connecting blocks 39. As the leftmost and rightmost connecting blocks 39 move, the folding frame 312 is pulled to unfold, thereby the other connecting blocks 39 are unfolded, and the upper connecting plate 26 and the smoking pipe 25 are unfolded by the unfolding of the connecting blocks 39, thereby adjusting the horizontal position of the smoking pipe 25. By adjusting the horizontal position of the smoking pipe 25, the fire door smoke exhaust mechanism 2 can exhaust smoke from different horizontal positions of the upper floor of the building. In the process of the movement of the connecting block 39, the movement of the connecting block 39 is limited by the limiting rod 313;

[0044] When the adjusting screw rod 38 drives the smoking pipe 25 to unfold, the adjusting screw rod 38 also drives the No. 1 gear body 51 to rotate, and the No. 2 gear body 53 and the No. 1 connecting shaft 52 are driven to rotate under the rotation of the No. 1 gear body 51, and the No. 1 connecting shaft 52 drives the worm 55 to rotate. At this time, the worm 55 drives the worm wheel 56 and the No. 2 connecting shaft 57 to rotate, and the angle of the connecting plate 26 and the smoking pipe 25 is adjusted through the No. 2 connecting shaft 57. By rotating and adjusting the angle of the smoking pipe 25, the smoking pipe 25 can absorb the smoke staying at the connection between the fixed door frame 11 and the door panel 12;

[0045] At the same time, under the rotation action of the adjusting screw 38, the No. 2 bevel gear 45 rotates, and the No. 1 bevel gear 44 and the threaded support rod 43 are driven to rotate. At this time, the threaded support rod 43 moves downward along the threaded sleeve 42, and drives the No. 1 bevel gear 44 downward through the threaded support rod 43, and at the same time drives the No. 1 gear box 34, the No. 2 gear box 35 and the No. 1 fixed plate 33 to move downward, and finally drives the smoking pipe 25 on the upper part of the horizontal adjustment mechanism 3 to move downward, and then drives the smoking pipe 25 to move upward through the reverse rotation of the servo motor 37. During the up and down movement of the No. 1 fixed plate 33, the slider 32 moves up and down along the guide rail 31 to limit the No. 1 fixed plate 33.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A strong ventilation fireproof door, comprising a fireproof door mechanism (1), wherein a horizontal adjustment mechanism (3) is fixedly connected to the side of the fireproof door mechanism (1), an angle adjustment mechanism (5) is installed inside the horizontal adjustment mechanism (3), the upper part of the angle adjustment mechanism (5) is fixedly connected to a fireproof door smoke exhaust mechanism (2), a height adjustment mechanism (4) is installed at the bottom of the horizontal adjustment mechanism (3), the height adjustment mechanism (4) is fixedly connected to the side of the fireproof door mechanism (1), the fireproof door mechanism (1) comprises a fixed door frame (11), a door panel (12) is rotatably connected to the surface of the fixed door frame (11), an automatic door closer (13) is fixedly connected to one side of the fixed door frame (11), and one end of the automatic door closer (13) is fixedly connected to the door panel (12), characterized in that: The fire door smoke exhaust mechanism (2) is used to exhaust smoke on one side of the fire door mechanism (1) to the outside. The fire door smoke exhaust mechanism (2) comprises a smoking pipe (25). The smoking pipe (25) is used to absorb smoke. The horizontal adjustment mechanism (3) is used to move the horizontal position of the angle adjustment mechanism (5) so as to drive the horizontal position of the smoking pipe (25) to be adjusted. The angle adjustment mechanism (5) is used to adjust the angle of the smoking pipe (25). The height adjustment mechanism (4) is used to adjust the height of the horizontal adjustment mechanism (3) so as to adjust the height of the smoking pipe (25). The horizontal adjustment mechanism (3) comprises two guide rails (31), two No. 1 fixed The first fixing plate (33) comprises a first fixing plate (33), two guide rails (31) symmetrically fixed on the side of the fixed door frame (11), a slider (32) is slidably connected inside the guide rail (31), and the side of the slider (32) is fixedly connected to the first fixing plate (33), a first gear box (34) is fixedly connected to the side of the first fixing plate (33), and a second gear box (35) is fixedly connected to the side of the other first fixing plate (33), and the first gear box (34) and the second gear box (35) are respectively rotatably connected to the first bevel gear (44), and the side of the first fixing plate (33) is fixedly connected to the protective cover (36); the horizontal adjustment mechanism (3) comprises a servo motor (37), a connecting rod (38), a connecting rod (39), a connecting rod (40), a connecting rod (51), a connecting rod (52), a connecting rod (53), a connecting rod (54), a connecting rod (55), a connecting rod (56), a connecting rod (57), a connecting rod (58), a connecting rod (59), a connecting rod (60), a connecting rod (61), a connecting rod (62), a connecting rod (63), a connecting rod (64), a connecting rod (65), a connecting rod (66), a connecting rod (67), a connecting rod (68), a connecting rod (69), a connecting rod (70), a connecting rod (71), a connecting rod (72), a connecting rod (73), a connecting rod (74), a connecting rod (75), a connecting rod (76), a connecting rod (77), a connecting rod (78), a connecting rod (79), a connecting rod (80), a connecting rod (81), a connecting rod (82), a connecting rod (83), a connecting rod (84), a connecting rod (85), a connecting rod (86), a connecting rod (87), a connecting rod (88), a connecting rod (89), a connecting rod (90 A connecting frame (310) and six connecting blocks (39), the servo motor (37) being fixedly connected to the side of the first gear box (34), and an adjusting screw rod (38) being fixedly connected to the output end of the servo motor (37), the adjusting screw rod (38) being rotatably connected to the first fixed plate (33), the connecting frame (310) being slidably connected to the side of the door panel (12), and the connecting frame (310) being rotatably connected to the middle of the adjusting screw rod (38), the six connecting blocks (39) being evenly divided into two groups, the two groups of connecting blocks (39) being symmetrically distributed on both sides of the connecting frame (310), and the middle parts of the leftmost connecting block (39) and the rightmost connecting block (39) of the six connecting blocks (39) being fixedly connected An adjusting block (311) is connected, and the surface of the adjusting screw rod (38) is provided with two threads in opposite directions, and the two adjusting blocks (311) are respectively located on the two threaded surfaces and are threadedly connected to the adjusting screw rod (38); the back of the connecting block (39) is rotatably connected to a folding frame (312), and one end of the folding frame (312) is rotatably connected to the side of the connecting frame (310), and the folding frame (312) is used to pull a group of connecting blocks (39) to unfold, and the folding frame (312) is used to pull a group of connecting blocks (39) to merge, and the side of the No. 1 fixing plate (33) is fixedly connected to a limiting rod (313), and the connecting block (39) is slidably connected to the limiting rod (313);The angle adjustment mechanism (5) comprises a first gear body (51) and a first connecting shaft (52), wherein the first gear body (51) is fixedly connected to one end of the adjusting screw rod (38), the first connecting shaft (52) is rotatably connected to a first fixing plate (33), and a second gear body (53) is fixedly connected to the surface of the first connecting shaft (52), and the second gear body (53) is meshed with the first gear body (51); the upper part of the connecting block (39) is fixedly connected to a third gear box (54) ), a worm wheel (56) is rotatably connected inside the third gear box (54), a second connecting shaft (57) is fixedly connected to the upper portion of the worm wheel (56), and a worm (55) is meshed on the side of the worm wheel (56), the worm (55) is slidably engaged with the first connecting shaft (52), and the worm (55) is rotatably connected to the third gear box (54); a connecting plate (26) is fixedly connected to one side of the smoking pipe (25), and the bottom of the connecting plate (26) is fixedly connected to the second connecting shaft (57). ; 2. The strong ventilation fire door according to claim 1 is characterized in that: The height adjustment mechanism (4) comprises a second fixing plate (41), the second fixing plate (41) being fixedly connected to the side of the fixed door frame (11), and a threaded sleeve (42) being fixedly connected to the upper portion of the second fixing plate (41), and a threaded support rod (43) being internally threadedly connected to the threaded sleeve (42).

3. The strong ventilation fire door according to claim 2 is characterized in that: A first bevel gear (44) is fixedly connected to the top of the threaded support rod (43), and a second bevel gear (45) is meshed on the top of the first bevel gear (44), and the second bevel gear (45) is fixedly connected to the adjusting screw rod (38).

4. The strong ventilation fire door according to claim 1 is characterized in that: The fire door smoke exhaust mechanism (2) comprises an axial flow fan (21), one end of the axial flow fan (21) is fixedly connected to a smoke exhaust pipe (22), and the other end of the axial flow fan (21) is fixedly connected to a smoke collecting pipe (23), the bottom of the smoke collecting pipe (23) is fixedly connected to a connecting hose (24), and the bottom of the connecting hose (24) is fixedly connected to a smoke pipe (25).

Citation Information

Patent Citations

  • Fireproof door for fire fighting

    CN217925603U