Device for safety monitoring of fireproof door

By designing a monitoring mechanism and a guide mechanism for fire doors, the camera can be moved left and right and upward when the fire door is opened, solving the problems of small monitoring range and blind spots in the existing technology, and improving the safety monitoring effect of the fire doors.

CN222760676UActive Publication Date: 2025-04-15ZHONGSHUN (ZHEJIANG) FIRE PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421680738.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-04-15
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

When the existing fire door monitoring device is opened, the monitoring range is small after the camera is transferred to one end of the door frame, and one end of the fire door cannot be fully monitored, resulting in monitoring blind spots and safety hazards.

Method used

A device for fire door safety monitoring is designed, including a door frame, a monitoring mechanism and a guide mechanism. The monitoring mechanism moves left and right when the fire door is opened through the moving mechanism, and moves upward through the guide mechanism, thereby expanding the monitoring range and avoiding monitoring blind spots.

Benefits of technology

Through the design of this device, it is possible to effectively avoid monitoring blind spots when the fire door is opened, expand the monitoring range, improve the safety monitoring effect of the fire door, and reduce safety hazards.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222760676U_ABST
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Abstract

The utility model discloses a device for fireproof door safety monitoring, which comprises a door frame, a first fireproof door and a second fireproof door, the surface of the door frame is fixedly provided with a fixed frame, the inside of the fixed frame is provided with a moving mechanism for driving a monitoring mechanism to move horizontally, the monitoring mechanism is arranged on one side of the moving mechanism, and the first fireproof door and the second fireproof door are arranged in the moving mechanism. And a guide mechanism for driving the monitoring mechanism to rotate and deviate is fixedly mounted at the top of the fixed frame. The first fireproof door and the second fireproof door can block smoke and the like, and the moving mechanism can drive the monitoring mechanism to horizontally move left and right when the first fireproof door and the second fireproof door are opened, so that monitoring dead angles can be prevented; and when the moving mechanism drives the monitoring mechanism to move, the monitoring mechanism can move upwards through the guide mechanism, so that the monitoring range is expanded to a certain extent, and monitoring dead angles caused by direct vertical monitoring of the monitoring mechanism can be prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a device for safety monitoring of fire doors. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are fireproof partitions with certain fire resistance, located between fire compartments, evacuation stairwells, vertical shafts, etc. They are specially used to isolate fire sources in housing buildings and play a huge role in firefighting work. Once a fire occurs, people can get a chance to escape through fire doors.

[0003] When a fire door is used, it is usually necessary to use it with a monitoring device. For example, a Chinese patent (authorization announcement number CN219953177U) discloses a monitoring device for monitoring a fire door, which belongs to the technical field of monitoring fire doors. The monitoring device for monitoring a fire door comprises a door frame and a fire door body, wherein the fire door body is rotatably connected to the door frame, a crossbeam is arranged on the door frame, and an adjustment mechanism comprises a motor, wherein the motor is arranged inside the crossbeam; the rotating shaft is fixedly connected to the output end of the motor; the gear is fixedly connected to the outer wall of the rotating shaft; the rack is meshed with the gear; the slider is fixedly connected to the front of the rack, and the front of the slider is provided with a monitoring device body. By starting the motor, the output end of the motor drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, the gear drives the rack to move left and right, the rack drives the slider to move left and right, and then drives the monitoring device body to move left and right, so as to avoid the problem of blocking the line of sight of the monitoring device body when the fire door body is opened, thereby reducing safety hazards. It can be seen from the above content that the camera can be transferred to one end of the door frame when the fire door is opened and closed, so as to prevent the occurrence of monitoring blind spots. Although such a monitoring method can monitor the position of the fire door, when the camera is transferred to one side of the door frame, the monitoring range is small, and one end of the fire door cannot be fully monitored. For this reason, we propose a device for fire door safety monitoring. Utility Model Content

[0004] The purpose of the utility model is to provide a device for safety monitoring of fire doors to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for safety monitoring of fire doors, comprising a door frame and a monitoring mechanism, the inner wall of the door frame is hinged with a first fire door and a second fire door through a connecting hinge, the surface of the second fire door is provided with a handle, a fixed frame is fixedly installed on the surface of the door frame, a moving mechanism for driving the monitoring mechanism to move horizontally is arranged inside the fixed frame, the monitoring mechanism is installed on one side of the moving mechanism, and a guide mechanism for driving the monitoring mechanism to rotate and deflect is fixedly installed on the top of the fixed frame.

[0006] Furthermore, the moving mechanism includes a slide groove, a gear bar, a slider, a first mounting plate and a driving motor. The surface of the fixed frame is penetrated by a slide groove, the inside of the slide groove is slidably connected with a slider, the bottom of the inner wall of the fixed frame is fixedly installed with a gear bar, the inside of the slider is rotatably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a gear plate meshing with the gear bar, one side of the slider is fixedly connected with a first mounting plate, the first mounting plate is fixedly installed with a driving motor, and the output end of the driving motor is fixedly connected to the rotating shaft.

[0007] Furthermore, the guide mechanism includes a second mounting plate and a guide groove, the second mounting plate is fixedly mounted on the top of the fixed frame, and an arc-shaped guide groove is formed on the second mounting plate.

[0008] Furthermore, the monitoring mechanism includes an installation frame, a fixed seat, a mounting rod and a monitoring camera. The installation frame is fixedly installed on one side of the first mounting plate, the fixed seat is fixedly connected to one side of the installation frame, the fixing seat is slidably connected to the installation rod, the bottom of the installation rod is fixedly connected to the monitoring camera, and a connecting rod is fixedly installed on one side of the installation rod, and the outer surface of the connecting rod is fixedly connected to a roller that fits the inner wall of the guide groove.

[0009] Furthermore, a fixing plate is fixedly mounted on the bottom of the fixing frame, and the fixing plate and the fixing frame are fixedly mounted on the door frame by a plurality of sets of locking bolts.

[0010] Furthermore, a sealing plate that is in contact with the surface of the second fire door is fixedly mounted on one side of the first fire door, and a rubber sealing pad is provided on one side of the sealing plate that is in contact with the second fire door.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the first fire door and the second fire door arranged in the utility model can block smoke and the like, and the arranged moving mechanism can drive the monitoring mechanism to move left and right when the first fire door and the second fire door are opened, thereby preventing the occurrence of monitoring blind spots, and when the moving mechanism drives the monitoring mechanism to move, the monitoring mechanism can be moved upward through the guiding mechanism, thereby expanding the monitoring range to a certain extent, and preventing the monitoring mechanism from directly monitoring vertically and causing monitoring blind spots. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after removing the monitoring mechanism;

[0014] Figure 3 This is a schematic diagram of the first front cross-sectional structure of the fixing frame of the utility model;

[0015] Figure 4 This is a second front view cross-sectional structural diagram of the fixing frame of the utility model;

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the monitoring mechanism of the utility model.

[0017] In the figure: 1 door frame, 2 first fire door, 3 second fire door, 4 handle, 5 fixed frame, 6 moving mechanism, 7 monitoring mechanism, 8 guide mechanism, 9 slide groove, 10 gear bar, 11 slider, 12 first mounting plate, 13 driving motor, 14 rotating shaft, 15 gear plate, 16 second mounting plate, 17 guide groove, 18 mounting frame, 19 fixed seat, 20 mounting rod, 21 connecting rod, 22 roller, 23 monitoring camera, 24 fixing plate, 25 locking bolt, 26 sealing plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 The utility model provides a technical solution: a device for fire door safety monitoring, comprising a door frame 1 and a monitoring mechanism 7, the inner wall of the door frame 1 is hinged with a first fire door 2 and a second fire door 3 through a connecting hinge, the surface of the second fire door 3 is provided with a handle 4, a fixed frame 5 is fixedly installed on the surface of the door frame 1, a moving mechanism 6 for driving the monitoring mechanism 7 to move horizontally is arranged inside the fixed frame 5, the monitoring mechanism 7 is installed on one side of the moving mechanism 6, and a guide mechanism 8 for driving the monitoring mechanism 7 to rotate and deflect is fixedly installed on the top of the fixed frame 5.

[0020] Among them, the first fire door 2 and the second fire door 3 can block smoke and the like, and the movable mechanism 6 can drive the monitoring mechanism 7 to move left and right when the first fire door 2 and the second fire door 3 are opened, thereby preventing the occurrence of monitoring blind spots, and when the movable mechanism 6 drives the monitoring mechanism 7 to move, the monitoring mechanism 7 can be moved upward through the guide mechanism 8, thereby expanding the monitoring range to a certain extent, and preventing the monitoring mechanism from directly monitoring vertically and causing monitoring blind spots.

[0021] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The moving mechanism 6 includes a slide groove 9, a gear bar 10, a slider 11, a first mounting plate 12 and a driving motor 13. The surface of the fixed frame 5 is penetrated by a slide groove 9, and the slider 11 is slidably connected inside the slide groove 9. The bottom of the inner wall of the fixed frame 5 is fixedly installed with a gear bar 10. The slider 11 is rotatably connected to a rotating shaft 14 inside, and one end of the rotating shaft 14 is fixedly connected to a gear plate 15 meshing with the gear bar 10. One side of the slider 11 is fixedly connected to the first mounting plate 12, and the driving motor 13 is fixedly installed on the first mounting plate 12, and the output end of the driving motor 13 is fixedly connected to the rotating shaft 14.

[0022] When the monitoring mechanism 7 needs to be moved, the drive motor 13 is started, and the drive motor 13 drives the gear plate 15 to rotate, and then the monitoring mechanism 7, the slider 11 and the monitoring mechanism 7 can be moved left and right along the slide groove 9, so that the monitoring blind spot can be avoided when the first fire door 2 or the second fire door 3 is opened for a long time.

[0023] See also Figure 1 and Figure 5 The guide mechanism 8 includes a second mounting plate 16 and a guide groove 17. The second mounting plate 16 is fixedly mounted on the top of the fixed frame 5. The second mounting plate 16 is provided with an arc-shaped guide groove 17. The monitoring mechanism 7 includes a mounting frame 18, a fixing seat 19, a mounting rod 20 and a monitoring camera 23. The mounting frame 18 is fixedly mounted on one side of the first mounting plate 12. The fixing seat 19 is fixedly connected to one side of the mounting frame 18. The fixing seat 19 is slidably connected to the mounting rod 20. The bottom of the mounting rod 20 is fixedly connected to the monitoring camera 23. A connecting rod 21 is fixedly mounted on one side of the mounting rod 20. The outer surface of the connecting rod 21 is fixedly connected to a roller 22 that fits the inner wall of the guide groove 17.

[0024] Among them, when the first mounting plate 12 follows the movement of the driving motor 13, it drives the fixing seat 19 and the monitoring camera 23 to move, and during the movement, the roller 22 can be engaged in the arc-shaped guide groove 17, and then when the roller 22 follows the movement, the mounting rod 20 and the monitoring camera 23 can be moved upward along the fixing seat 19, so that the height of the monitoring camera 23 can be increased, thereby increasing the monitoring range.

[0025] See also Figure 1 and Figure 2 A fixing plate 24 is fixedly mounted on the bottom of the fixing frame 5 , and the fixing plate 24 and the fixing frame 5 are fixedly mounted on the door frame 1 through multiple sets of locking bolts 25 .

[0026] The fixing plate 24 and the locking bolts 25 can be used to fix the fixing frame 5 . Such a configuration can facilitate maintenance and repair of the fixing frame 5 and the components inside the fixing frame 5 .

[0027] See also Figure 1 A sealing plate 26 is fixedly installed on one side of the first fire door 2 and is in contact with the surface of the second fire door 3. A rubber sealing pad is provided on the side of the sealing plate 26 that is in contact with the second fire door 3. The sealing plate 26 and the rubber sealing pad can make the first fire door 2 and the second fire door 3 seal and fit.

[0028] When in use, firstly, the first fire door 2 and the second fire door 3 can block smoke and the like, and the movable mechanism 6 can drive the monitoring mechanism 7 to move left and right when the first fire door 2 and the second fire door 3 are opened, so as to prevent the occurrence of blind spots in monitoring, and when the movable mechanism 6 drives the monitoring mechanism 7 to move, the monitoring mechanism 7 can be moved upward by the guide mechanism 8, so as to expand the monitoring range to a certain extent, and prevent the monitoring mechanism from directly monitoring vertically and causing blind spots in monitoring. When it is necessary to move the monitoring mechanism 7, the drive motor 13 is started to operate, and the drive motor 13 drives the gear plate 15 to rotate, and the gear plate 15 rotates with the movement of the monitoring mechanism 7. After that, the monitoring mechanism 7, the slider 11 and the monitoring mechanism 7 can be moved left and right along the slide groove 9, so that the monitoring blind spot can be avoided when the first fire door 2 or the second fire door 3 is opened for a long time. When the first mounting plate 12 follows the movement of the driving motor 13, it drives the fixed seat 19 and the monitoring camera 23 to move. During the movement, the roller 22 can be clamped in the arc-shaped guide groove 17. Then, when the roller 22 follows the movement, the mounting rod 20 and the monitoring camera 23 can be moved upward along the fixed seat 19, so that the height of the monitoring camera 23 can be increased, thereby increasing the monitoring range.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for monitoring the safety of a fire door, comprising a door frame (1) and a monitoring mechanism (7), wherein the inner wall of the door frame (1) is hingedly connected with a first fire door (2) and a second fire door (3) via a connecting hinge, and a handle (4) is arranged on the surface of the second fire door (3), characterized in that: A fixed frame (5) is fixedly mounted on the surface of the door frame (1); a moving mechanism (6) for driving a monitoring mechanism (7) to move horizontally is arranged inside the fixed frame (5); the monitoring mechanism (7) is mounted on one side of the moving mechanism (6); and a guide mechanism (8) for driving the monitoring mechanism (7) to rotate and deflect is fixedly mounted on the top of the fixed frame (5).

2. A device for fire door safety monitoring according to claim 1, characterized in that: The moving mechanism (6) comprises a slide groove (9), a gear bar (10), a slider (11), a first mounting plate (12) and a driving motor (13); a slide groove (9) is provided on the surface of the fixed frame (5); the slide groove (9) is slidably connected to the inside of the slide groove (9); the gear bar (10) is fixedly installed at the bottom of the inner wall of the fixed frame (5); a rotating shaft (14) is rotatably connected to the inside of the slider (11); one end of the rotating shaft (14) is fixedly connected to a gear plate (15) meshing with the gear bar (10); one side of the slider (11) is fixedly connected to the first mounting plate (12); the driving motor (13) is fixedly installed on the first mounting plate (12); the output end of the driving motor (13) is fixedly connected to the rotating shaft (14).

3. A device for fire door safety monitoring according to claim 2, characterized in that: The guide mechanism (8) comprises a second mounting plate (16) and a guide groove (17); the second mounting plate (16) is fixedly mounted on the top of the fixed frame (5); and an arc-shaped guide groove (17) is provided on the second mounting plate (16).

4. The device for fire door safety monitoring according to claim 3, characterized in that: The monitoring mechanism (7) comprises a mounting frame (18), a fixing seat (19), a mounting rod (20) and a monitoring camera (23); a mounting frame (18) is fixedly mounted on one side of the first mounting plate (12); a fixing seat (19) is fixedly connected to one side of the mounting frame (18); a mounting rod (20) is slidably connected to the fixing seat (19); a monitoring camera (23) is fixedly connected to the bottom of the mounting rod (20); a connecting rod (21) is fixedly mounted on one side of the mounting rod (20); and a roller (22) that is in contact with the inner wall of the guide groove (17) is fixedly connected to the outer surface of the connecting rod (21).

5. The device for fire door safety monitoring according to claim 4, characterized in that: A fixing plate (24) is fixedly mounted on the bottom of the fixing frame (5); the fixing plate (24) and the fixing frame (5) are fixedly mounted on the door frame (1) via a plurality of sets of locking bolts (25).

6. The device for fire door safety monitoring according to claim 5, characterized in that: A sealing plate (26) is fixedly mounted on one side of the first fire door (2) and is in contact with the surface of the second fire door (3). A rubber sealing pad is provided on the side of the sealing plate (26) in contact with the second fire door (3).

Citation Information

Patent Citations

  • Monitoring device for monitoring fireproof door

    CN219953177U