Fireproof rolling shutter door
By introducing a horizontal plate, sealing gasket, and magnetic attraction device into the fireproof roller shutter door, the problem of gaps appearing when the metal plate contacts the ground is solved, achieving a better fireproof effect.
Patent Information
- Application Number
- CN202423015363.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-06
AI Technical Summary
When the fireproof roller shutter door descends, gaps are created when the metal plate contacts the ground, allowing flames to penetrate.
The design includes a horizontal plate, a sealing gasket, a magnetic suction device, and connecting components. The magnetic suction device is used to bring the horizontal plate close to the ground, and the sealing gasket fills the gaps to achieve a seal.
It effectively prevents flames from leaking through the gap between the horizontal plate and the ground, thus improving fire resistance.
Smart Images

Figure CN223608438U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a roller shutter door technical field, especially a fireproof roller shutter door. BACKGROUND
[0002] The fireproof roller shutter door is used for satisfying the fire resistance stability and integrity within a certain time.
[0003] The fireproof roller shutter door is usually installed with the protective shell outside the reel and the motor, and the automatic lifting of the roller shutter is carried out through the control equipment. In the process of lifting the roller shutter, the movement of the roller shutter is guided by the guide frame on both sides. The end of the roller shutter away from the reel usually adopts the metal plate. When the roller shutter is lowered, the horizontal metal plate is in contact with the ground. However, the part of the metal plate in contact with the ground will produce a gap due to the unevenness of the ground, so that the flame penetrates through the gap. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a fireproof roller shutter door to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a fireproof roller shutter door is applied to a wall and a ground. One side of the wall is provided with a lifting roller shutter for fireproof partition. The top end of the lifting roller shutter is provided with a winding device for winding the lifting roller shutter. The utility model further comprises:
[0006] A horizontal plate is arranged at one end of the lifting roller shutter away from the winding device. The horizontal plate is used for guiding the lifting of the lifting roller shutter.
[0007] A sealing gasket is arranged at the bottom end of the horizontal plate. The sealing gasket is used for filling the gap between the horizontal plate and the ground.
[0008] A magnetic attraction device is arranged at the top of the ground. The magnetic attraction device is used for magnetically attracting the horizontal plate.
[0009] A connecting assembly is arranged at the top end of the sealing gasket. The connecting assembly is used for connecting the sealing gasket and the horizontal plate.
[0010] Preferably, one side of the winding device is fixedly connected with one side of the wall. One end of the lifting roller shutter away from the winding device is fixedly connected with the top end of the horizontal plate.
[0011] Preferably, a groove is formed in the top end of the ground. The bottom end of the magnetic attraction device is fixedly connected with the bottom end of the inner wall of the groove.
[0012] Preferably, one side of the winding device is provided with a control device for controlling the winding device and the magnetic attraction device. The output end of the control device is electrically connected with the input end of the magnetic attraction device.
[0013] Preferably, the top end of the horizontal plate is provided with a through hole for mounting a connecting assembly, the connecting assembly comprises an insertion block, the insertion block is connected with the through hole, and the bottom end of the insertion block is fixedly connected with the top end of the sealing gasket.
[0014] Preferably, the top of the insertion block is provided with a limiting block for limiting the movement of the insertion block, the inside of the insertion block is provided with a cavity for mounting the limiting block, the inner wall of the cavity is provided with a through hole, the limiting block is connected with the through hole, one end of the limiting block is fixedly connected with a baffle, and one side of the baffle is provided with an elastic block.
[0015] Preferably, the outer wall of the top of the insertion block is sleeved with a fireproof cover, and the bottom end of the fireproof cover is fixedly connected with the top end of the horizontal plate.
[0016] The technical effects and advantages of the utility model are as follows:
[0017] The utility model discloses a lifting roller shutter, sealing gasket, connecting assembly and magnetic attraction device's design, when appearing fire, control device controls the winding device and carries out the lowering of lifting roller shutter, simultaneously to magnetic attraction device carries out the power supply, makes the horizontal plate of lifting roller shutter bottom move to the direction of close to ground, under the magnetic attraction of magnetic attraction device to horizontal plate, make sealing gasket receive extrusion deformation, thereby fill the gap between horizontal plate and ground, make the firebrand unable to leak from horizontal plate and ground. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is whole three-dimensional structure schematic diagram of the utility model.
[0019] Figure 2 It is three-dimensional structure schematic diagram of the utility model roller shutter and horizontal plate.
[0020] Figure 3 It is sectional structure schematic diagram of the utility model sealing gasket and horizontal plate connecting place.
[0021] Figure 4 It is the utility model Figure 3 It is the utility model
[0022] In the drawing: 1, wall body;2, ground;3, winding device;4, lifting roller shutter;5, control device;6, horizontal plate;7, sealing gasket;8, connecting assembly;81, insertion block;82, limiting block;83, baffle;84, elastic block;9, fireproof cover;10, magnetic attraction device. DETAILED DESCRIPTION
[0023] 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. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.
[0024] The utility model provides a fireproof rolling shutter door as Figures 1-4 The utility model discloses a fireproof rolling shutter door applied to a wall body 1 and ground 2, one side of wall body 1 is provided with the lifting rolling shutter 4 for fireproof partition, the top of lifting rolling shutter 4 is provided with the winding device 3 for winding lifting rolling shutter 4, still include:
[0025] Horizontal plate 6 is arranged at the end of lifting rolling shutter 4 away from winding device 3, and horizontal plate 6 is used for the lifting direction of lifting rolling shutter 4;
[0026] Sealing gasket 7 is arranged at the bottom end of horizontal plate 6, and sealing gasket 7 is used for the filling of the gap between horizontal plate 6 and ground 2;
[0027] Magnetic attraction device 10 is arranged at the top of ground 2, and magnetic attraction device 10 is used for the magnetic attraction of horizontal plate 6;
[0028] Connecting assembly 8 is arranged at the top end of sealing gasket 7, and connecting assembly 8 is used for the connection of sealing gasket 7 and horizontal plate 6.
[0029] Specifically, one side of winding device 3 is fixedly connected with one side of wall body 1, one end of lifting rolling shutter 4 away from winding device 3 is fixedly connected with the top end of horizontal plate 6, the top of ground 2 is provided with a groove, the bottom end of magnetic attraction device 10 is fixedly connected with the bottom end of the inner wall of the groove, one side of winding device 3 is provided with control device 5 for controlling winding device 3 and magnetic attraction device 10, and the output end of control device 5 is electrically connected with the input end of magnetic attraction device 10.
[0030] Further, the winding device 3, the lifting roller shutter 4, the control device 5 and the horizontal plate 6 are components of the existing fireproof roller shutter door, the lifting roller shutter 4 is an inorganic fiber composite roller shutter with fireproof performance, the bottom end of the winding device 3 is welded with guide rods on both sides, the guide rods are provided with clamping grooves on the opposite side, the both ends of the horizontal plate 6 are slidably connected with the clamping grooves, the horizontal plate 6 is made of metal material that can be magnetically attracted, the control device 5 can automatically control the winding device 3 to rotate and lower the lifting roller shutter 4 to block the door opening of the wall 1 when detecting a fire, which is a part of the prior art, the recess of the ground 2 is provided with a magnetic attraction device 10 of the prior art, the magnetic attraction device 10 is an electromagnet of the prior art, the input end of the magnetic attraction device 10 is electrically connected with the output end of the control device 5 through a fireproof cable, when the control device 5 detects a fire, the magnetic attraction device 10 is powered to have a magnetic attraction function while the winding device 3 is controlled to move, so that the horizontal plate 6 can be stably magnetically attracted as it descends, the height of the magnetic attraction device 10 is 0.8 times the height of the recess, the horizontal cross-sectional dimension of the magnetic attraction device 10 is 0.8 times the horizontal cross-sectional dimension of the recess, the sealing gasket 7 is made of neoprene rubber, which has the properties of flame retardance and heat resistance, so that it can be extruded by the horizontal plate 6 and the wall 1 to fill the gap and prevent the leakage of fire, the horizontal cross-sectional dimension of the sealing gasket 7 is 1.2 times the horizontal cross-sectional dimension of the recess, and the height of the sealing gasket 7 is 0.3 times the height of the recess.
[0031] Specifically, the top end of the horizontal plate 6 is provided with a through hole for mounting the connecting assembly 8, the connecting assembly 8 includes a plug 81, the plug 81 is connected with the through hole, the bottom end of the plug 81 is fixedly connected with the top end of the sealing gasket 7, the top of the plug 81 is provided with a limiting block 82 for limiting the movement of the plug 81, the plug 81 is provided with a cavity for mounting the limiting block 82, the inner wall of the cavity is provided with a through hole, the limiting block 82 is connected with the through hole, one end of the limiting block 82 is fixedly connected with a baffle 83, one side of the baffle 83 is provided with an elastic block 84, the outer wall of the top of the plug 81 is provided with a fireproof cover 9, the bottom end of the fireproof cover 9 is fixedly connected with the top end of the horizontal plate 6.
[0032] Further, the penetrating hole is provided with at least four holes, which are respectively arranged at the four corners of the top end of the horizontal plate 6, the plug 81, the limiting block 82 and the baffle 83 are made of metal material, the contact part between the plug 81 and the sealing gasket 7 is fixed by adhesion, the size of the plug 81 is 0.98 times of the size of the penetrating hole, the size of the through hole is 1.1 times of the size of the limiting block 82, the size of the baffle 83 is 1.2 times of the size of the through hole, the elastic block 84 is made of polyurethane elastomer, the baffle 83 and the elastic block 84 are arranged in the cavity, the elastic block 84 is in compression state in the cavity, the plug 81 is inserted into the penetrating hole, when the limiting block 82 moves to the top end position of the horizontal plate 6, the limiting block 82 is pushed out under the restoring force of the elastic block 84, so that the bottom end of the limiting block 82 is in contact with the top end of the horizontal plate 6, thereby limiting the movement of the plug 81, the fixed connection between the sealing gasket 7 and the horizontal plate 6 is completed, the material of the fireproof cover 9 is the same as that of the sealing gasket 7, the fireproof cover 9 is in the shape of a cap, which is used for covering the top of the plug 81, the contact part between the fireproof cover 9 and the horizontal plate 6 is fixed by adhesion, so as to prevent the damage of fire to the top of the plug 81, thereby ensuring the stable connection between the sealing gasket 7 and the horizontal plate 6.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. A fireproof rolling door applied to a wall (1) and a ground (2), one side of the wall (1) is provided with a lifting rolling curtain (4) for fireproof partition, the top end of the lifting rolling curtain (4) is provided with a winding device (3) for winding the lifting rolling curtain (4), characterized in that, Also include: Horizontal plate (6), the horizontal plate (6) is arranged in the lifting roller shutter (4) away from the winding device (3) one end, the horizontal plate (6) is used for the lifting guide of lifting roller shutter (4); Gasket (7), the gasket (7) is arranged at the bottom end of horizontal plate (6), the gasket (7) is used for the filling of the gap between horizontal plate (6) and ground (2); Magnetic attraction device (10), the magnetic attraction device (10) is arranged at the top of ground (2), the magnetic attraction device (10) is used for magnetic attraction horizontal plate (6); Connecting assembly (8), the connecting assembly (8) is arranged at the top end of gasket (7), the connecting assembly (8) is used for the connection of gasket (7) and horizontal plate (6).
2. A fire shutter door according to claim 1, characterised in that One side of the winding device (3) is fixedly connected with one side of the wall (1), and one end of the lifting roller shutter (4) away from the winding device (3) is fixedly connected with the top end of the horizontal plate (6).
3. A fire shutter door according to claim 1, wherein, The top end of the ground (2) is provided with a groove, and the bottom end of the magnetic attraction device (10) is fixedly connected with the bottom end of the inner wall of the groove.
4. A fire shutter door according to claim 1, wherein, One side of the winding device (3) is provided with a control device (5) for controlling the winding device (3) and the magnetic attraction device (10), and the output end of the control device (5) is electrically connected with the input end of the magnetic attraction device (10).
5. A fire shutter door according to claim 1, wherein The top end of the horizontal plate (6) is provided with a through hole for mounting the connecting assembly (8), and the connecting assembly (8) comprises an insertion block (81), the insertion block (81) is connected with the through hole, and the bottom end of the insertion block (81) is fixedly connected with the top end of the gasket (7).
6. A fire shutter door according to claim 5, wherein, The top of the insertion block (81) is provided with a limiting block (82) for limiting the movement of the insertion block (81), and the inside of the insertion block (81) is provided with a cavity for mounting the limiting block (82), the inner wall of the cavity is provided with a through hole, the limiting block (82) is connected with the through hole, one end of the limiting block (82) is fixedly connected with a baffle (83), and one side of the baffle (83) is provided with an elastic block (84).
7. A fire shutter door according to claim 5, wherein, The outer wall of the top of the insertion block (81) is provided with a fireproof cover (9), and the bottom end of the fireproof cover (9) is fixedly connected with the top end of the horizontal plate (6).