Fireproof door capable of being opened and closed automatically

By designing a roller shutter cleaning structure and sealing reinforcement structure in the fire door, the problem of foreign matter on the surface of the fire-proof roller shutter affecting the closing and poor sealing properties is solved, and the efficient cleaning and sealing effect of the fire door is achieved.

CN223215155UActive Publication Date: 2025-08-12SHANDONG JINQIAO SECURITY EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422397553.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-12
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The existing automatic switch fire doors have foreign objects attached to the surface of the fire-proof roller shutter that affect the closing, poor sealing, and smoke is easy to enter through the gap.

Method used

The roller blind cleaning structure and sealing reinforcement structure are designed. The roller blind cleaning structure cleans dust and foreign matter on the surface of the fire-proof roller blind through cleaning brushes. The sealing reinforcement structure improves the sealing of the fire door through sealing gaskets and buffer gaskets.

Benefits of technology

Effectively clean foreign objects on the surface of the fire-proof roller shutter, improve the closing performance of the fire-proof door, enhance sealing, and prevent smoke from entering.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223215155U_ABST
    Figure CN223215155U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic opening and closing fireproof door, which relates to the field of fireproof doors and comprises a top protective cover, a left guide rail is arranged on one side of the lower end of the top protective cover, a right guide rail is arranged on the other side of the lower end of the top protective cover, and fireproof roller shutters are arranged on the inner walls of the left guide rail and the right guide rail. A sealing reinforcing structure is arranged on the outer surface of the lower end of the fireproof roller shutter, and roller shutter cleaning structures are arranged on the outer surfaces of the front ends of the left guide rail and the right guide rail. According to the fireproof door capable of being opened and closed automatically, by arranging the roller shutter cleaning structure and the sealing reinforcing structure, foreign matter and dust attached to the surface of the fireproof roller shutter can be cleaned in the rolling process of the fireproof door, and the situation that the dust and the foreign matter are attached to the surface of the fireproof roller shutter to affect closing of the fireproof door is avoided; the sealing performance of the fireproof door in the using process can be improved, and smoke is prevented from entering from gaps.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of fire doors, in particular to an automatic opening and closing fire door. Background Art

[0002] Automatic fire doors are devices used to improve fire safety in buildings. They combine the functionality of fire doors with automation technology, enabling them to automatically open or close when a fire occurs, preventing the spread of fire, protecting personnel and minimizing property losses.

[0003] This automatic opening and closing fire door can provide higher fire safety protection through an intelligent control system combined with the functions of traditional fire doors.

[0004] However, existing automatic opening and closing fire doors have certain disadvantages when in use. First, during the retraction process of the fire door, foreign matter attached to the surface of the fire shutter can easily affect the closing of the fire door. Second, the fire door has poor sealing during use, and smoke can easily enter through the gaps.

[0005] Therefore, it is necessary for us to propose an automatic opening and closing fire door to solve the above problems. Utility Model Content

[0006] The main purpose of the utility model is to provide an automatic opening and closing fire door, which can effectively solve the problems in the background technology.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] An automatic opening and closing fire door includes a top protective cover, a left guide rail is provided on one side of the lower end of the top protective cover, a right guide rail is provided on the other side of the lower end of the top protective cover, the inner walls of the left guide rail and the right guide rail are both provided with fireproof rolling shutters, the lower end outer surface of the fireproof rolling shutter is provided with a sealing reinforcement structure, and the front end outer surfaces of the left guide rail and the right guide rail are both provided with rolling shutter cleaning structures.

[0009] Preferably, the roller blind cleaning structure includes mounting screws, a mounting frame, a fixing strip, a cleaning brush and a fixing clip. The front end outer surface of the mounting frame is provided with a fixing clip, the outer wall of the mounting frame is provided with mounting screws, a fixing strip is provided on one side outer surface of the fixing clip, and the rear end outer surface of the fixing strip is provided with a cleaning brush.

[0010] Preferably, the sealing reinforcement structure includes a sealing gasket, a connecting slot part, a connecting screw, a buffer gasket and a connecting frame. Connecting frames are provided on both sides of the upper end of the connecting slot part, the outer wall of the connecting frame is provided with connecting screws, the inner wall of the connecting slot part is provided with a buffer gasket, and the outer surface of the lower end of the connecting slot part is provided with a sealing gasket.

[0011] Preferably, the front end outer surface of the mounting bracket is fixedly connected to the rear end outer surface of the fixing clamp, the outer wall of the mounting bracket is detachably connected to the outer wall of the mounting screw, the outer surface of one side of the fixing clamp is detachably connected to the outer surface of one side of the fixing bar, the rear end outer surface of the fixing bar is detachably connected to the front end outer surface of the cleaning brush, and the rear end outer surface of the mounting bracket is detachably connected to the front end outer surfaces of the left guide rail and the right guide rail through the mounting screws.

[0012] Preferably, both sides of the upper end of the connecting slot are fixedly connected to the outer surface of the lower end of the connecting frame, the outer wall of the connecting frame is detachably connected to the outer wall of the connecting screw, the inner wall of the connecting slot is fixedly connected to the lower end outer surface of the buffer gasket, the lower end outer surface of the connecting slot is fixedly connected to the upper end outer surface of the sealing gasket, and the inner wall of the connecting frame is detachably connected to the outer surface of one end of the fireproof roller shutter through the connecting screw.

[0013] Preferably, one side of the lower end of the top protective cover is fixedly connected to the upper outer surface of the left guide rail, and the other side of the lower end of the top protective cover is fixedly connected to the upper outer surface of the right guide rail, and the inner walls of the left guide rail and the right guide rail are movably connected to the outer surfaces of both ends of the fireproof roller shutter.

[0014] Compared with the prior art, the present invention provides an automatic opening and closing fire door, which has the following beneficial effects:

[0015] 1. This automatic opening and closing fire door has a roller shutter cleaning structure. When the fire door is installed, the fixing clips can be installed to the front end of the left and right guide rails through the installation screws and the mounting bracket, and then the fixing strip can be installed to one side of the fixing clips. The cleaning brush at the rear end of the fixing strip can clean the dust and foreign matter on the surface of the fire shutter. The roller shutter cleaning structure can clean the foreign matter and dust attached to the surface of the fire shutter during the retraction process of the fire door, so as to prevent dust and foreign matter from adhering to the surface of the fire shutter and affecting the closing of the fire door.

[0016] 2. This automatic opening and closing fire door has a sealing reinforcement structure. Before the fire door is used, the connecting slot part can be installed to the lower end of the fire shutter through the connecting frame and connecting screws. The sealing gasket at the lower end of the connecting slot part can improve the sealing effect of the fire door. The buffer gasket can also reduce the impact force generated by the collision when the fire shutter is closed or opened. The sealing reinforcement structure can improve the sealing of the fire door during use and prevent smoke from entering through the gaps. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0019] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle roller curtain cleaning structure 6.

[0020] Figure 4 For this utility model Figure 1 Schematic diagram of the structure of the middle sealing reinforcement structure 3.

[0021] In the figure: 1. Left guide rail; 2. Right guide rail; 3. Sealing reinforcement structure; 4. Fireproof roller shutter; 5. Top protective cover; 6. Rolling shutter cleaning structure; 61. Mounting screws; 62. Mounting bracket; 63. Fixing strip; 64. Cleaning brush; 65. Fixing clip; 31. Sealing gasket; 32. Connecting slot; 33. Connecting screws; 34. Buffer gasket; 35. Connecting bracket. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-4 As shown, an automatic opening and closing fire door includes a top protective cover 5, a left guide rail 1 is provided on one side of the lower end of the top protective cover 5, a right guide rail 2 is provided on the other side of the lower end of the top protective cover 5, the inner walls of the left guide rail 1 and the right guide rail 2 are both provided with fireproof roller shutters 4, the outer surface of the lower end of the fireproof roller shutter 4 is provided with a sealing reinforcement structure 3, and the outer surfaces of the front ends of the left guide rail 1 and the right guide rail 2 are both provided with roller shutter cleaning structures 6.

[0024] like Figure 1 、 Figure 3 As shown, the roller blind cleaning structure 6 includes a mounting screw 61, a mounting frame 62, a fixing strip 63, a cleaning brush 64 and a fixing clip 65. The front end outer surface of the mounting frame 62 is provided with a fixing clip 65, the outer wall of the mounting frame 62 is provided with a mounting screw 61, the outer surface of one side of the fixing clip 65 is provided with a fixing strip 63, and the rear end outer surface of the fixing strip 63 is provided with a cleaning brush 64.

[0025] like Figure 1 、 Figure 4 As shown, the sealing reinforcement structure 3 includes a sealing gasket 31, a connecting slot part 32, a connecting screw 33, a buffer gasket 34 and a connecting frame 35. Connecting frames 35 are provided on both sides of the upper end of the connecting slot part 32, the outer wall of the connecting frame 35 is provided with a connecting screw 33, the inner wall of the connecting slot part 32 is provided with a buffer gasket 34, and the outer surface of the lower end of the connecting slot part 32 is provided with a sealing gasket 31.

[0026] like Figure 1 、 Figure 3As shown, the front end outer surface of the mounting bracket 62 is fixedly connected to the rear end outer surface of the fixing clamp 65, the outer wall of the mounting bracket 62 is detachably connected to the outer wall of the mounting screw 61, the outer surface of one side of the fixing clamp 65 is detachably connected to the outer surface of one side of the fixing bar 63, the rear end outer surface of the fixing bar 63 is detachably connected to the front end outer surface of the cleaning brush 64, and the rear end outer surface of the mounting bracket 62 is detachably connected to the front end outer surfaces of the left guide rail 1 and the right guide rail 2 through the mounting screw 61.

[0027] like Figure 1 、 Figure 4 As shown, both sides of the upper end of the connecting slot part 32 are fixedly connected to the outer surface of the lower end of the connecting frame 35, the outer wall of the connecting frame 35 is detachably connected to the outer wall of the connecting screw 33, the inner wall of the connecting slot part 32 is fixedly connected to the lower end outer surface of the buffer gasket 34, the lower end outer surface of the connecting slot part 32 is fixedly connected to the upper end outer surface of the sealing gasket 31, and the inner wall of the connecting frame 35 is detachably connected to the outer surface of one end of the fireproof roller shutter 4 through the connecting screw 33.

[0028] like Figure 1 、 Figure 2 As shown, one side of the lower end of the top protective cover 5 is fixedly connected to the upper outer surface of the left guide rail 1, and the other side of the lower end of the top protective cover 5 is fixedly connected to the upper outer surface of the right guide rail 2. The inner walls of the left guide rail 1 and the right guide rail 2 are movably connected to the outer surfaces of both ends of the fireproof roller shutter 4.

[0029] How it works

[0030] The utility model is an automatic opening and closing fire door. When in use, the motor inside the top protective cover 5 drives the roller to rotate, and the fire curtain 4 is rolled into the top protective cover 5 or the fire curtain 4 is closed through the left and right guide rails. The roller curtain cleaning structure 6 is provided. When the fire door is installed, the fixing clamp 65 can be installed to the front end of the left and right guide rails through the mounting screws 61 and the mounting bracket 62, and then the fixing strip 63 is installed to one side of the fixing clamp 65. The cleaning brush 64 at the rear end of the fixing strip 63 can clean the dust and foreign matter on the surface of the fire curtain 4. The roller curtain cleaning structure 6 can be used to clean the dust and foreign matter on the surface of the fire curtain 4 during the rolling process of the fire door. , clean the foreign matter and dust attached to the surface of the fireproof rolling shutter to prevent dust and foreign matter from adhering to the surface of the fireproof rolling shutter and affecting the closing of the fire door. The sealing reinforcement structure 3 is set. Before the fire door is used, the connecting slot part 32 can be installed to the lower end of the fireproof rolling shutter 4 through the connecting frame 35 and the connecting screw 33. The sealing gasket 31 at the lower end of the connecting slot part 32 can improve the sealing effect of the fire door. The buffer gasket 34 can also reduce the impact force generated by the collision when the fireproof rolling shutter 4 is closed or opened. The sealing reinforcement structure 3 can improve the sealing of the fire door during use and prevent smoke from entering through the gap.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An automatic opening and closing fire door, comprising a top protective cover (5), characterized in that: A left guide rail (1) is provided on one side of the lower end of the top protective cover (5), and a right guide rail (2) is provided on the other side of the lower end of the top protective cover (5). The inner walls of the left guide rail (1) and the right guide rail (2) are both provided with fireproof rolling curtains (4). The outer surface of the lower end of the fireproof rolling curtain (4) is provided with a sealing reinforcement structure (3). The outer surfaces of the front ends of the left guide rail (1) and the right guide rail (2) are both provided with rolling curtain cleaning structures (6).

2. The automatic opening and closing fire door according to claim 1, characterized in that: The roller blind cleaning structure (6) comprises a mounting screw (61), a mounting frame (62), a fixing strip (63), a cleaning brush (64) and a fixing clamp (65), wherein the front end outer surface of the mounting frame (62) is provided with the fixing clamp (65), the outer wall of the mounting frame (62) is provided with a mounting screw (61), the outer surface of one side of the fixing clamp (65) is provided with a fixing strip (63), and the rear end outer surface of the fixing strip (63) is provided with a cleaning brush (64).

3. The automatic opening and closing fire door according to claim 1, characterized in that: The sealing reinforcement structure (3) comprises a sealing gasket (31), a connecting slot member (32), a connecting screw (33), a buffer gasket (34) and a connecting frame (35), wherein the connecting frames (35) are provided on both sides of the upper end of the connecting slot member (32), the outer wall of the connecting frame (35) is provided with a connecting screw (33), the inner wall of the connecting slot member (32) is provided with a buffer gasket (34), and the outer surface of the lower end of the connecting slot member (32) is provided with a sealing gasket (31).

4. The automatic opening and closing fire door according to claim 2, characterized in that: The front end outer surface of the mounting frame (62) is fixedly connected to the rear end outer surface of the fixing clamp (65), the outer wall of the mounting frame (62) is detachably connected to the outer wall of the mounting screw (61), one side outer surface of the fixing clamp (65) is detachably connected to one side outer surface of the fixing bar (63), the rear end outer surface of the fixing bar (63) is detachably connected to the front end outer surface of the cleaning brush (64), and the rear end outer surface of the mounting frame (62) is detachably connected to the front end outer surfaces of the left guide rail (1) and the right guide rail (2) via the mounting screw (61).

5. The automatic opening and closing fire door according to claim 3, characterized in that: Both sides of the upper end of the connecting slot member (32) are fixedly connected to the outer surface of the lower end of the connecting frame (35), the outer wall of the connecting frame (35) is detachably connected to the outer wall of the connecting screw (33), the inner wall of the connecting slot member (32) is fixedly connected to the outer surface of the lower end of the buffer gasket (34), the outer surface of the lower end of the connecting slot member (32) is fixedly connected to the outer surface of the upper end of the sealing gasket (31), and the inner wall of the connecting frame (35) is detachably connected to the outer surface of one end of the fireproof roller shutter (4) through the connecting screw (33).

6. The automatic opening and closing fire door according to claim 1, characterized in that: One side of the lower end of the top protective cover (5) is fixedly connected to the outer surface of the upper end of the left guide rail (1), and the other side of the lower end of the top protective cover (5) is fixedly connected to the outer surface of the upper end of the right guide rail (2). The inner walls of the left guide rail (1) and the right guide rail (2) are both movably connected to the outer surfaces of both ends of the fireproof rolling curtain (4).