Smoke-proof steel fireproof door
By installing lifting and sealing components on fire doors, and using a motor to drive the sealing plate to seal the bottom gap of the fire door, the problem of dense smoke entering the room is solved, and a safe sealing effect is achieved during a fire.
Patent Information
- Application Number
- CN202520091729.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing fire doors lack a sealing mechanism for the bottom gaps, allowing dense smoke from fires to enter the room through these gaps, threatening lives.
A smoke-proof steel fire door was designed, which adopts a sealing mechanism that combines a lifting component and a sealing component. The sealing plate is lowered by a two-way screw driven by a motor, and the air-filled sealing strip seals the gap between the fire door and the ground.
It effectively seals the gap between the fire door and the ground, preventing dense smoke from entering the room and ensuring indoor safety. It has a simple structure and is easy to operate.
Smart Images
Figure CN223908102U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fireproof door smoke prevention technical field especially, relates to a kind of smokeproof steel fireproof door. BACKGROUND
[0002] Fireproof door is a kind of door that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, usually set in key positions such as fire compartment, evacuation stairway, vertical shaft, as an important facility of building fire separation.
[0003] The existing fireproof door will leave a certain gap between the bottom and the ground during installation to ensure the normal rotation of the fireproof door, but the gap may cause smoke to enter the room during a fire, threatening people's life safety.
[0004] According to the above-mentioned related technology, the applicant believes that the existing fireproof door lacks a sealing mechanism for the bottom gap, which affects people's life safety when the smoke produced by the fire enters the room from the bottom gap of the fireproof door during actual use. To solve the above problems, we propose a smokeproof steel fireproof door. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of smokeproof steel fireproof doors, to solve the technical problems that the existing fireproof door lacks a sealing mechanism for the bottom gap, which affects people's life safety when the smoke produced by the fire enters the room from the bottom gap of the fireproof door during actual use.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A kind of smokeproof steel fireproof door, including installation frame, the outer side of the installation frame is provided with clamping groove, the inside of the installation frame is rotatably connected with fireproof door body, the outer side of the fireproof door body is equipped with sealing mechanism, the sealing mechanism includes lifting assembly and sealing assembly, the lifting assembly and sealing assembly are used in cooperation, the lifting assembly includes lifting groove, the lifting groove is provided in the outer side of fireproof door body, the outer side of the fireproof door body and located above lifting groove is equipped with power groove, the inner wall top of the power groove is fixedly connected with motor, the inside of the power groove is rotatably connected with bidirectional screw rod, the outer side of the bidirectional screw rod is symmetrically connected with moving block, the outer side of the bidirectional screw rod is fixedly connected with rotation gear, the output end of the motor is fixedly connected with power gear, the power gear and rotation gear are engagedly connected.
[0008] In a preferred scheme, the sealing assembly comprises a sealing plate slidingly connected inside the lifting groove, the top of the sealing plate is symmetrically slidingly connected with a rotating block, the inside of the lifting groove is fixedly connected with a rotating shaft, the outside of the rotating shaft is symmetrically rotatably connected with a rotating plate, the rotating plate is rotatably connected with the rotating block, the inside of the two rotating plates is provided with a sliding groove, the inside of the two sliding grooves is slidingly connected with a sliding column, and the sliding column is fixedly connected with the moving block.
[0009] In a preferred scheme, the bottom of the sealing plate is fixedly connected with an aeration sealing strip.
[0010] In a preferred scheme, the inside of the fireproof door body is provided with an observation window, the inside of the observation window is fixedly connected with a fireproof glass window, and the inside of the observation window is equidistantly fixedly connected with a protective fence.
[0011] In a preferred scheme, the two sides of the fireproof door body are rotatably connected with handles.
[0012] In a preferred scheme, the outside of the fireproof door body is fixedly connected with a controller, and the controller is electrically connected with the motor.
[0013] The smoke-proof steel fireproof door provided by the utility model has the following advantages:
[0014] First, the sealing assembly can effectively seal the gap between the fireproof door body and the ground, avoid the dense smoke of fire from entering the room through the gap, ensure the safety of the room when the fire occurs, and has the advantages of simple structure and high practicability.
[0015] Second, the observation window can be used by workers to observe the external fire, and the controller can be used by workers to control the opening and closing of the motor, so that the operation is more convenient. DRAWINGS
[0016] Figure 1 A three-dimensional schematic view of the smoke-proof steel fireproof door is provided.
[0017] Figure 2 A three-dimensional schematic view of the smoke-proof steel fireproof door is provided.
[0018] Figure 3 A three-dimensional schematic view of the sealing mechanism of the smoke-proof steel fireproof door is provided.
[0019] Figure 4 A three-dimensional schematic view of the sealing mechanism of the smoke-proof steel fireproof door is provided.
[0020] In the drawings: 1, mounting frame; 2, clamping groove; 3, fireproof door main body; 41, lifting groove; 42, power groove; 43, motor; 44, rotating shaft; 45, rotating plate; 46, sealing plate; 47, rotating block; 48, power gear; 49, bidirectional screw rod; 410, rotating gear; 411, moving block; 412, sliding groove; 413, sliding column; 5, inflatable sealing strip; 6, observation window; 7, protective fence; 8, fireproof glass window; 9, handle; 10, controller. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and indicated in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0022] Reference Figure 1 - Figure 4 A smoke-proof steel fireproof door, comprising a mounting frame 1, a clamping groove 2 is formed on the outer side of the mounting frame 1, a fireproof door main body 3 is rotatably connected to the inside of the mounting frame 1, a sealing mechanism is arranged on the outer side of the fireproof door main body 3, the sealing mechanism comprises a lifting assembly and a sealing assembly, the lifting assembly and the sealing assembly are used in cooperation, the lifting assembly comprises a lifting groove 41, the lifting groove 41 is formed on the outer side of the fireproof door main body 3, a power groove 42 is arranged on the outer side of the fireproof door main body 3 and above the lifting groove 41, a motor 43 is fixedly connected to the inner wall top of the power groove 42, a bidirectional screw rod 49 is rotatably connected to the inside of the power groove 42, moving blocks 411 are symmetrically and threadedly connected to the outer side of the bidirectional screw rod 49, rotating gears 410 are fixedly connected to the outer side of the bidirectional screw rod 49, a power gear 48 is fixedly connected to the output end of the motor 43, and the power gear 48 is meshingly connected with the rotating gear 410. The sealing assembly comprises a sealing plate 46, the sealing plate 46 is slidably connected to the inside of the lifting groove 41, rotating blocks 47 are symmetrically and slidably connected to the top of the sealing plate 46, a rotating shaft 44 is fixedly connected to the inside of the lifting groove 41, rotating plates 45 are symmetrically and rotatably connected to the outer side of the rotating shaft 44, the rotating plates 45 are rotatably connected with the rotating blocks 47, sliding grooves 412 are formed in the inside of the two rotating plates 45, sliding columns 413 are slidably connected to the inside of the two sliding grooves 412, and the sliding columns 413 are fixedly connected with the moving blocks 411. An inflatable sealing strip 5 is fixedly connected to the bottom of the sealing plate 46.
[0023] In the above technical scheme, considering that the existing fireproof door lacks a sealing mechanism for the bottom gap, in actual use, the dense smoke generated by the fire enters the room from the bottom gap of the fireproof door, affecting the safety of people's lives, in order to solve such problems, the specific operation is as follows:
[0024] With reference to Figure 1 - Figure 4 In a preferred embodiment, the output end of the motor 43 drives the power gear 48 to rotate, the power gear 48 drives the rotating gear 410 to rotate, the rotating gear 410 drives the bidirectional screw rod 49 to rotate, the bidirectional screw rod 49 drives the two moving blocks 411 to move towards each other, and then the two sliding columns 413 slide towards each other inside the sliding groove 412, and then the two rotating plates 45 rotate around the rotating shaft 44, so that the bottom of the two rotating plates 45 rotates inside the rotating block 47, and then the two rotating blocks 47 slide towards each other, the sealing plate 46 is pressed downward, until the sealing plate 46 tightly seals the gap at the bottom of the fireproof door body 3, and the inflatable sealing strip 5 is arranged, during the pressing process, the inflatable sealing strip 5 will deform and block the small gap. By arranging the sealing assembly, the gap between the fireproof door body 3 and the ground can be effectively sealed, avoiding the dense smoke of the fire penetrating into the room through the gap, ensuring the safety of the room when the fire occurs, and the structure is simple and practical.
[0025] With reference to Figure 1 - Figure 4 In a preferred embodiment, the fireproof door body 3 is internally provided with an observation window 6, the observation window 6 is internally and fixedly connected with a fireproof glass window 8, and the observation window 6 is internally and equidistantly fixedly connected with a protective fence 7. The fireproof door body 3 is rotatably connected with a handle 9 on both sides. The fireproof door body 3 is fixedly connected with a controller 10 on the outside, and the controller 10 is electrically connected with the motor 43. Through the arrangement of the observation window 6, the staff can observe the external fire, and through the arrangement of the controller 10, the staff can conveniently control the opening and closing of the motor 43, and the operation is more convenient.
[0026] Working principle: when encountering fire, the staff starts the motor 43, the output end of the motor 43 drives the power gear 48 to rotate, the power gear 48 rotates and drives the rotating gear 410 to rotate, the rotating gear 410 rotates and drives the bidirectional screw rod 49 to rotate, the bidirectional screw rod 49 rotates and drives the two moving blocks 411 to move in the direction of approaching each other, then the two sliding columns 413 slide in the direction of approaching each other in the inside of the sliding groove 412, then the two rotating plates 45 rotate around the rotating shaft 44, so that the bottom of the two rotating plates 45 rotates in the inside of the rotating block 47, so that the two rotating blocks 47 slide in the direction of approaching each other, press down the sealing plate 46, until the sealing plate 46 seals the gap at the bottom of the fireproof door main body 3 tightly, through the setting of the inflatable sealing strip 5, in the pressing process, the inflatable sealing strip 5 will be deformed, and the smaller gap will be blocked.
[0027] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A smoke-tight steel fire door comprising a mounting frame (1), characterized in that: The outer side of the mounting frame (1) is provided with a clamping groove (2), the inner side of the mounting frame (1) is rotatably connected with a fireproof door body (3), the outer side of the fireproof door body (3) is provided with a sealing mechanism, the sealing mechanism comprises a lifting assembly and a sealing assembly, and the lifting assembly and the sealing assembly are used in cooperation with each other. The lifting assembly comprises a lifting groove (41), the lifting groove (41) is arranged on the outer side of the fireproof door body (3), the outer side of the fireproof door body (3) and above the lifting groove (41) is provided with a power groove (42), the inner wall top of the power groove (42) is fixedly connected with a motor (43), the inner side of the power groove (42) is rotatably connected with a bidirectional screw rod (49), the outer side of the bidirectional screw rod (49) is symmetrically and threadedly connected with a moving block (411), the outer side of the bidirectional screw rod (49) is fixedly connected with a rotating gear (410), the output end of the motor (43) is fixedly connected with a power gear (48), and the power gear (48) and the rotating gear (410) are meshedly connected.
2. A smoke-proof steel fire door according to claim 1, characterized in that: The sealing assembly comprises a sealing plate (46), the sealing plate (46) is slidably connected in the inner side of the lifting groove (41), the top of the sealing plate (46) is symmetrically and slidably connected with a rotating block (47), the inner side of the lifting groove (41) is fixedly connected with a rotating shaft (44), the outer side of the rotating shaft (44) is symmetrically and rotatably connected with a rotating plate (45), the rotating plate (45) is rotatably connected with the rotating block (47), the inner sides of the two rotating plates (45) are both provided with a sliding groove (412), the inner sides of the two sliding grooves (412) are both slidably connected with a sliding column (413), and the sliding column (413) and the moving block (411) are fixedly connected.
3. A smoke resistant steel fire door according to claim 2, wherein: The bottom of the sealing plate (46) is fixedly connected with an inflation sealing strip (5).
4. The smoke-tight steel fire door of claim 1, wherein: The inner side of the fireproof door body (3) is provided with an observation window (6), the inner side of the observation window (6) is fixedly connected with a fireproof glass window (8), and the inner side of the observation window (6) is equidistantly fixedly connected with a protective fence (7).
5. The smoke-tight steel fire door of claim 1, wherein: The two sides of the fireproof door body (3) are both rotatably connected with a handle (9).
6. The smoke-tight steel fire door of claim 1, wherein: The outer side of the fireproof door body (3) is fixedly connected with a controller (10), and the controller (10) and the motor (43) are electrically connected.