Fireproof device for light well

Abstract

The utility model relates to the field of building fire prevention. The utility model aims to provide a fireproof device for a light well, which comprises a support frame arranged in the light well, a plurality of fireproof door plates used for blocking a light well channel are hinged on the support frame, and locking components are arranged on the fireproof door plates. The locking assembly comprises an electric plug pin and a power controller for controlling a spring bolt of the electric plug pin to stretch out and draw back, and a lock hole seat corresponding to the electric plug pin when the fireproof door plate is turned upwards is arranged on the inner wall of the light well. Through cooperation of the fireproof door plate, the locking assembly and the lock hole seat, the fireproof door plate is rapidly unlocked to block a light well channel under the condition that a fire occurs in the light well, the fireproof effect is achieved, the fireproof door plate is turned upwards to be kept in a locked state when the fire does not occur, and the normal lighting function of the light well is not affected.

Description

Technical Field

[0001] The utility model relates to the field of building fire prevention, and particularly to a fire prevention device for a daylighting well. Background Technique

[0002] A daylighting well, also known as a patio, refers to a window well for daylighting in a residential kitchen and bathroom, and is common in general residential communities.

[0003] Due to the particularity of its well structure, when a fire breaks out in a residence, the fire is extremely likely to spread rapidly to the roof through the daylighting well. This phenomenon is called the chimney effect, which means that air rises or descends along a vertically sloping space, causing enhanced air convection and reaching the phenomenon of "wind assisting the fire".

[0004] At present, there have been incidents of high-rise residential buildings catching fire in many places. Among these fire incidents, the chimney effect of the daylighting well has had a significant impact on the fire, making the fire situation more serious, increasing the rescue difficulty of firefighters, and thus posing a major threat to the lives of rescue personnel and the safety of building property. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fire prevention device for a daylighting well, which can quickly block the daylighting well when a building catches fire to prevent the spread of fire.

[0006] The purpose of the utility model is achieved through the following technical solutions: A fire prevention device for a daylighting well, which includes a support frame arranged in the daylighting well. A plurality of fireproof door panels for blocking the daylighting well passage are hinged on the support frame. A locking component is arranged on the fireproof door panel. The locking component includes an electric bolt and a power controller for controlling the telescopic movement of the bolt tongue of the electric bolt. A lock hole seat corresponding to the electric bolt when the fireproof door panel is turned up is arranged on the inner wall of the daylighting well.

[0007] Preferably, the locking component further includes a fire sensor electrically connected to the power controller.

[0008] Preferably, a door panel pusher is further arranged on the fireproof door panel or the inner wall of the daylighting well. The door panel pusher includes a compression spring and a pressing plate arranged at the end of the compression spring.

[0009] Preferably, a wall fixing member is arranged at the bottom of the support frame, and the support frame is connected to the inner wall of the daylighting well through the wall fixing member.

[0010] Preferably, when there are multiple fireproof door panels, an L-shaped sealing part is arranged at the side edge of the fireproof door panel, and the L-shaped sealing parts of adjacent fireproof door panels are staggered and butted.

[0011] Preferably, a covering pipe for passing through pipelines is provided on the inner wall of the daylighting well, and a notch matching the covering pipe is provided on the blocking surface formed by the fireproof door panel.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] 1. In the case of no fire, the fireproof door panel can be kept in the form of being turned up and opened through the locking of the locking assembly and the lock hole seat, achieving the effect of not affecting the daylighting of the daylighting well;

[0014] In the case of a fire, the fireproof door panel blocks the daylighting well passage by turning down through unlocking the locking assembly and the lock hole seat, which can prevent the fire from spreading rapidly through the daylighting well;

[0015] 2. The present utility model is provided with a fire sensor electrically connected to a power controller to sense the occurrence of a fire. When it senses the occurrence of a fire, the unlocking of the locking assembly and the lock hole seat is automatically controlled according to the lock tongue retraction and extension parameters set in the power controller, achieving the effect of automatically blocking the daylighting well passage when a fire occurs;

[0016] 3. By providing a door panel pushing member, when the fireproof door panel is unlocked, the compression spring in the door panel pushing member pushes the pressing plate, and the pressing plate applies an external force to the fireproof door panel to achieve the effect of providing a force to quickly turn down the fireproof door panel;

[0017] 4. By providing the covering pipe on the inner wall of the daylighting well and the fireproof door panel provided with a notch matching the covering pipe, the effect that the fireproof door can adapt to daylighting wells with different horizontal cross-sections is achieved, improving the applicability of the present utility model. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of a fireproof device for a daylighting well of the present utility model;

[0019] Figure 2 is Figure 1 a schematic structural diagram of the fireproof door panel turned up;

[0020] Figure 3 is a schematic structural diagram of Embodiment 1 of the present utility model;

[0021] Figure 4 is Figure 3 a schematic structural diagram of the fireproof door panel locked;

[0022] Figure 5 is a schematic structural diagram of the locking assembly of the present utility model;

[0023] Figure 6 is a schematic structural diagram of the door panel pushing member of the present utility model;

[0024] Figure 7 It is a schematic structural diagram of the second embodiment of the present utility model;

[0025] Figure 8 is Figure 7 a simplified structural diagram of the locking of the fireproof door panel.

[0026] Label description: 1 support frame, 2 fireproof door panel, 3 locking assembly, 31 electric bolt, 32 power controller, 33 fire sensor, 4 lock hole seat, 5 door panel pusher, 51 compression spring, 52 pressure plate, 6 wall fixing member, 7 L-shaped sealing part, 8 coating pipe. Specific implementation mode

[0027] The content of the present utility model will be described in detail below in conjunction with the specification drawings and embodiments:

[0028] Embodiment 1:

[0029] As Figures 1-6 shown is a schematic diagram of Embodiment 1 of a fireproof device for a daylighting well provided by the present utility model.

[0030] It includes a support frame 1 arranged in the daylighting well, several fireproof door panels 2 for blocking the daylighting well passage are hinged on the support frame 1, a locking assembly 3 is arranged on the fireproof door panel 2, the locking assembly 3 includes an electric bolt 31 and a power controller 32 for controlling the expansion and contraction of the bolt tongue of the electric bolt 31, and a lock hole seat 4 corresponding to the electric bolt 31 when the fireproof door panel 2 is turned up is arranged on the inner wall of the daylighting well.

[0031] Further, the opening and closing angle of the fireproof door panel 2 on the support frame 1 is an acute angle, and this acute angle can be arbitrarily selected as 80 degrees, 70 degrees, 60 degrees, etc., to ensure that when the electric bolt 31 is disengaged from the lock hole seat 4, the fireproof door panel 2 can be turned down by its own gravity to block the daylighting well passage.

[0032] Further, the locking assembly 3 further includes a fire sensor 33 electrically connected to the power controller 32.

[0033] Further, the fire sensor 33 can be a smoke detector, a temperature detector, a flame detector, etc.

[0034] Further, a door panel pusher 5 is further arranged on the fireproof door panel 2 or the inner wall of the daylighting well, and the door panel pusher 5 includes a compression spring 51 and a pressure plate 52 arranged at the end of the compression spring 51;

[0035] When the opening and closing angle of the fireproof door panel 2 on the support frame 1 is a right angle or an obtuse angle, the door panel pusher 5 is used to provide an initial driving force for the fireproof door panel 2, so that the fireproof door panel 2 is turned down to block the daylighting well passage;

[0036] When the opening and closing angle of the fireproof door panel 2 on the support frame 1 is an acute angle, the door panel pusher 5 is used to assist in pushing the fireproof door panel 2 to turn downwards to block the daylighting well passage.

[0037] Furthermore, a wall fixing member 6 is provided at the bottom of the support frame 1, and the support frame 1 is connected to the inner wall of the daylighting well through the wall fixing member 6.

[0038] Furthermore, when there are multiple fireproof door panels 2, an L-shaped sealing portion 7 is provided at the side edge of the fireproof door panel 2, and the L-shaped sealing portions 7 of adjacent fireproof door panels 2 are butt-jointed in an alternating manner.

[0039] Furthermore, when there are multiple fireproof door panels 2, the power controller 32 is set with a tongue retraction and extension parameter, which is used to control the electronic bolts 31 on adjacent fireproof door panels 2 to be unlocked from the lock hole seats 4 in sequence, so that adjacent fireproof door panels 2 turn downwards in sequence, ensuring that the L-shaped sealing portions 7 between adjacent fireproof door panels 2 are butt-jointed and fitted with each other.

[0040] Embodiment 2:

[0041] As Figures 7-8 shown is a structural schematic diagram of Embodiment 2 of the present utility model.

[0042] The basic structure of this Embodiment 2 is substantially similar to that of Embodiment 1. The difference from Embodiment 1 is that: a covering pipe 8 for passing through pipelines is provided on the inner wall of the daylighting well, and a notch matching the covering pipe 8 is provided on the blocking surface formed by the fireproof door panel 2.

[0043] The working principle of this Embodiment 1 is as follows:

[0044] After this Embodiment is installed in the daylighting well, the fireproof door panel 2 is turned upwards, and then the locking tongue of the electric bolt 31 on the fireproof door panel 2 extends into the lock hole seat 4 to keep the fireproof door panel 2 in a locked state;

[0045] When the fire sensor 33 senses a fire, the fire sensor 33 sends a circuit signal to the power controller 32, and then the power controller 32 controls the locking tongues of the electronic bolts 31 on adjacent fireproof door panels 2 to disengage from the lock hole seats 4 in sequence according to the preset tongue retraction and extension parameter. At this time, the fireproof door panel 2 is in an unlocked state;

[0046] Subsequently, adjacent fireproof door panels 2 are turned downwards in sequence by the external force applied by the door panel pusher 5 to ensure that the L-shaped sealing portions 7 between adjacent fireproof door panels 2 are butt-jointed and fitted with each other until they completely cover the upper part of the support frame 1, thereby realizing the blocking of the daylighting well passage and avoiding the chimney effect caused by the structural form of the daylighting well.

[0047] The working principle of this Embodiment 2 is substantially similar to that of Embodiment 1, so it will not be elaborated too much.

[0048] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A fire prevention device for a light well, characterized in that: It comprises a support frame (1) arranged in a light well, a plurality of fireproof door panels (2) for blocking the light well passage are hinged on the support frame (1), a locking assembly (3) is arranged on the fireproof door panel (2), the locking assembly (3) comprises an electric bolt (31) and a power supply controller (32) for controlling the extension and retraction of the lock tongue of the electric bolt (31), and a lock hole seat (4) corresponding to the electric bolt (31) when the fireproof door panel (2) is flipped up is arranged on the inner wall of the light well.

2. A fire prevention device for a light well according to claim 1, characterized in that: The locking assembly (3) also includes a fire sensor (33) electrically connected to the power controller (32).

3. A fire prevention device for a light well according to claim 1, characterized in that: The fireproof door panel (2) or the inner wall of the light well is also provided with a door panel pusher (5), and the door panel pusher (5) comprises a compression spring (51) and a pressure plate (52) provided at the end of the compression spring (51).

4. A fire prevention device for a light well according to claim 1, characterized in that: A wall fixing member (6) is provided at the bottom of the support frame (1), and the support frame (1) is connected to the inner wall of the light well via the wall fixing member (6).

5. A fire prevention device for a light well according to claim 1, characterized in that: When there are multiple fireproof door panels (2), the side edges of the fireproof door panels (2) are provided with L-shaped sealing portions (7), and the L-shaped sealing portions (7) of adjacent fireproof door panels (2) are staggered and butted.

6. A fire prevention device for a light well according to any one of claims 1 to 5, characterized in that: A sheathing pipe (8) for passing a pipeline is provided on the inner wall of the light well, and a notch matching the sheathing pipe (8) is provided on the sealing surface formed by the fireproof door panel (2).

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