Flood-proof subway tunnel civil air defense door

By introducing air vents, retractable airbags and circuit systems into the civil air defense doors of subway tunnels, the problem of tunnel flooding during the rainy season has been solved, the functions of sealing, waterproofing and timely reminders have been achieved, and the flood prevention performance of the civil air defense doors has been improved.

CN223446914UActive Publication Date: 2025-10-17CHINA RAILWAY DESIGN GRP CO LTD
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Patent Information

Application Number
CN202422742171.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-10-17
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing subway tunnel civil air defense doors are prone to water leakage during the rainy season, causing tunnel flooding and a lack of timely warning mechanisms.

Method used

A flood-proof subway tunnel civil air defense door has been designed, which includes a door frame, a door body, air vents, waterproof components and a circuit system. Air is allowed to pass through the air vents, and rainwater squeezes the telescopic airbag to make the piston rod slide. The sealing plate blocks the air vents and triggers a buzzer to alert the staff.

Benefits of technology

It achieves a sealing and waterproof effect during the rainy season, and promptly reminds staff to take flood prevention measures, thereby improving the safety and emergency response capabilities of the tunnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flood-proof subway tunnel civil air defense door which comprises a door frame, a rotating shaft is fixedly connected to the interior of the door frame, a door body is rotatably connected to the exterior of the rotating shaft, and vent holes are formed in the exterior of the door body. In daily use, the tunnel can be blocked through the door body, ventilation is achieved through the ventilation holes, when water is accumulated in the tunnel in the rainy season, rainwater can penetrate through the water permeable holes to extrude the telescopic air bag in the cavity, the telescopic air bag exerts reverse acting force on the piston rod after being extruded, and therefore the tunnel can be blocked through the ventilation holes. When the piston rod slides upwards, the positive pole piece and the negative pole piece can synchronously make contact with the copper plate to form a closed circuit, and when the piston rod slides upwards, the sealing plate can slide upwards along the interior of the sliding groove, so that the sealing plate and the air hole are blocked, and the whole door body achieves the overall sealing effect, and when the piston rod slides upwards, the positive pole piece and the negative pole piece can synchronously make contact with the copper plate to form the closed circuit; and the buzzer is electrified to start working, so that a worker can be reminded to take protective measures in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to subway tunnel civil air defence door technical field, concretely is a kind of anti-flood subway tunnel civil air defence door. BACKGROUND

[0002] Civil air defence works, it is singlely built underground protective building for guaranteeing personnel and material shelter in wartime, air defence command, medical aid, and the basement combined with ground building is built in wartime can be used for air defence;Civil air defence works are important facilities for preventing enemy sudden attack, effectively sheltering personnel and material, preserving war potential, and civil air defence door is the door of civil air defence works entrance.

[0003] In the public number CN218542021U a civil air defence door, including civil air defence door body, the escape opening is formed in the civil air defence door body, the escape door for closing the escape opening is arranged on the civil air defence door body, the escape door is hinged on the civil air defence door body, the escape door is provided with the fixing mechanism for being fixedly connected with the civil air defence door body.The application has the effect of reducing the difficulty of later rescue, but the above-mentioned civil air defence door, due to its simple structure and without waterproof structure, when it is used, when it is in rainy season, rainwater is easy to penetrate the civil air defence door, and the tunnel is flooded, and the whole device cannot timely know the flood, so it is necessary to provide a new kind of anti-flood subway tunnel civil air defence door to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of anti-flood subway tunnel civil air defence door, with the advantage of automatic waterproof reminding, solve the problems in background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-flood subway tunnel civil air defence door, comprising: door frame, the inside fixed connection of the door frame is connected with pivot, the outside rotation of the pivot is connected with door body, the outside of the door body is provided with vent hole;Waterproof assembly, the cavity is arranged in the inside of door body, when being used daily, the tunnel can be plugged by door body, and venting is carried out through vent hole, when it is in rainy season Tunnel internal waterlogging, rainwater will penetrate the water hole and extrude the inflatable bladder in the cavity, the inflatable bladder is extruded and will give the piston rod reverse force, simultaneously make the piston rod slide in the inside of cavity upwards, simultaneously can make the sealing plate slide in the inside of sliding groove upwards, so that the sealing plate vent hole is plugged, so that the whole door body plays the whole sealing effect, when the piston rod slides upwards, positive plate and negative plate will be in contact with copper plate simultaneously to form closed circuit, so that buzzer is energized and starts operation, can timely remind staff to take protective measures.

[0006] Preferably, the waterproof component also includes a piston rod, the top of the piston rod is fixedly connected to a sliding rod, the top of the sliding rod is fixedly connected to a sealing plate, a telescopic airbag is provided inside the cavity, and water-permeable holes are evenly opened on the outside and inside of the cavity. When the rainy season comes and the flood submerges the door body, rainwater will enter the interior of the cavity through the water-permeable holes and then squeeze the telescopic airbag. When the telescopic airbag is squeezed, the telescopic airbag squeezes the piston rod in reverse, and the piston rod will slide upward along the inside of the cavity, and simultaneously the sealing plate can be displaced upward and the air hole can be blocked, so that the entire door body is sealed and has a waterproof effect.

[0007] Preferably, a sliding groove is provided inside the door body, the sliding groove is communicated with the air vent, and the sealing plate slides inside the sliding groove.

[0008] Preferably, the two ends of the top of the piston rod are fixedly connected with a positive electrode sheet and a negative electrode sheet respectively, and the positive electrode sheet and the negative electrode sheet are both connected to a power source.

[0009] Preferably, a copper plate is fixedly connected to the top of the cavity, and the copper plate can make the positive electrode sheet and the negative electrode sheet contact each other to form a closed circuit when they rise synchronously.

[0010] Preferably, a buzzer is fixedly connected to the outside of one side of the door body, and the buzzer is connected to the positive and negative electrode circuits, so that when a flood comes, the piston rod slides upward, the buzzer forms a closed circuit and is powered on to start operation, which can remind the operating personnel to take flood prevention measures in time.

[0011] Preferably, a handle is fixedly connected to the outside of the other side of the door body, and sealing rings are fixedly connected to the opposite surfaces of the door body and the door frame. The sealing rings can form a sealed state when the door body and the door frame are closed, thereby improving the waterproof effect.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. During daily use of the utility model, the tunnel can be blocked through the door body, and ventilation can be carried out through the air vents. When water accumulates inside the tunnel during the rainy season, rainwater will penetrate through the water vents to squeeze the telescopic airbag inside the cavity. After being squeezed, the telescopic airbag will exert a reverse force on the piston rod, causing the piston rod to slide upward inside the cavity, and the sealing plate to slide upward along the inside of the sliding groove, thereby blocking the air vents of the sealing plate, thereby achieving an overall sealing effect for the entire door body.

[0014] 2. In the present invention, when the piston rod slides upward, the positive electrode sheet and the negative electrode sheet will synchronously contact the copper plate to form a closed circuit, so that the buzzer is powered on and starts working, which can promptly remind the staff to take protective measures. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an external structure schematic view of a flood-proof subway tunnel civil air defense door of the utility model;

[0016] Figure 2 It is a door body back structure schematic view of a flood-proof subway tunnel civil air defense door of the utility model;

[0017] Figure 3 It is a door body internal structure schematic view of a flood-proof subway tunnel civil air defense door of the utility model;

[0018] Figure 4 It is a door body internal disassembly structure schematic view of a flood-proof subway tunnel civil air defense door of the utility model.

[0019] In the drawing: 1, door frame; 2, door body; 3, air hole; 4, handle; 5, water hole; 6, rotating shaft; 7, buzzer; 8, cavity; 9, sliding groove; 10, stretchable air bag; 11, piston rod; 12, copper plate; 13, positive plate; 14, negative plate; 15, sliding rod; 16, sealing plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a flood-proof subway tunnel civil air defense door, include: door frame 1, the inside fixed connection of door frame 1 has rotating shaft 6, the outside rotation of rotating shaft 6 is connected with door body 2, and door body 2 is provided with air hole 3 outside; waterproof assembly, waterproof assembly includes cavity 8, and cavity 8 is arranged in the inside of door body 2, when using daily, through door body 2, the tunnel can be closed, and at the same time, through air hole 3, when encountering the waterlogging inside tunnel, rainwater can pass through water hole 5 and extrude stretchable air bag 10 in the inside of cavity 8, after stretchable air bag 10 is extruded, will give piston rod 11 reverse force, simultaneously makes piston rod 11 slide upwards in the inside of cavity 8, simultaneously can make sealing plate 16 slide upwards along the inside of sliding groove 9, makes sealing plate 16 air hole 3 close, so that the whole door body 2 plays the effect of overall sealing, when piston rod 11 slides upwards, positive plate 13 and negative plate 14 will contact copper plate 12 simultaneously and form closed circuit, so that buzzer 7 is electrified and starts operation, can remind staff to take protective measures in time.

[0022] The waterproof assembly further comprises a piston rod 11, the top of the piston rod 11 is fixedly connected with a slide rod 15, the top of the slide rod 15 is fixedly connected with a sealing plate 16, a cavity 8 is internally clamped with a stretchable air bag 10, and the cavity 8 is uniformly provided with penetrating water holes 5 on the outside.

[0023] The door body 2 is internally provided with a sliding groove 9, the sliding groove 9 is communicated with the air hole 3, and the sealing plate 16 slides in the sliding groove 9.

[0024] The other side of the door body 2 is externally fixedly connected with a handle 4, and the opposite surfaces of the door body 2 and the door frame 1 are fixedly connected with sealing rings.

[0025] When the door body 2 is used, the tunnel can be blocked, and air is ventilated through the air hole 3.

[0026] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a flood-proof subway tunnel civil air defense door, the top of the piston rod 11 is fixedly connected with a positive plate 13 and a negative plate 14, the positive plate 13 and the negative plate 14 are connected with a power supply.

[0027] The top of the cavity 8 is internally fixedly connected with a copper plate 12, the copper plate 12 can make the positive plate 13 and the negative plate 14 synchronously rise, and the three are in contact to form a closed circuit.

[0028] One side of the door body 2 is externally fixedly connected with a buzzer 7, the buzzer 7 is communicated with the circuit of the positive plate 13 and the negative plate 14, so that when the flood comes, the piston rod 11 slides upwards, the buzzer 7 forms a closed circuit and starts to work, and the working personnel can be reminded to take flood control measures in time.

[0029] The anti-flood subway tunnel civil air defense door uses when the piston rod 11 slides upward, the positive plate 13 and the negative plate 14 will contact the copper plate 12 simultaneously to form a closed circuit, so that the buzzer 7 is powered on to start operation.

[0030] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description and drawings can also be processed without doubt according to the existing technical knowledge, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flood-proof subway tunnel air defense door, characterized in that: include: A door frame (1), wherein the interior of the door frame (1) is fixedly connected to a rotating shaft (6), the exterior of the rotating shaft (6) is rotatably connected to a door body (2), and an air vent (3) is provided on the exterior of the door body (2); A waterproof component, comprising a cavity (8), wherein the cavity (8) is opened inside the door body (2).

2. The flood-proof subway tunnel civil air defense door according to claim 1 is characterized by: The waterproof component also includes a piston rod (11), the top of the piston rod (11) is fixedly connected to a sliding rod (15), the top of the sliding rod (15) is fixedly connected to a sealing plate (16), a telescopic airbag (10) is provided inside the cavity (8), and water-permeable holes (5) are evenly opened on the outside and inside of the cavity (8).

3. The flood-proof subway tunnel civil air defense door according to claim 1 is characterized by: A sliding groove (9) is provided inside the door body (2), and the sliding groove (9) is communicated with the air vent (3).

4. The flood-proof subway tunnel civil air defense door according to claim 2 is characterized by: The two ends of the top of the piston rod (11) are respectively fixedly connected with a positive electrode sheet (13) and a negative electrode sheet (14).

5. The flood-proof subway tunnel civil air defense door according to claim 1 is characterized by: A copper plate (12) is fixedly connected to the interior of the top end of the cavity (8).

6. The flood-proof subway tunnel civil air defense door according to claim 1 is characterized by: A buzzer (7) is fixedly connected to the outside of one side of the door body (2).

7. The flood-proof subway tunnel civil air defense door according to claim 1 is characterized by: A handle (4) is fixedly connected to the outside of the other side of the door body (2), and sealing rings are fixedly connected to the opposite surfaces of the door body (2) and the door frame (1).

Citation Information

Patent Citations

  • Civil air defense door

    CN218542021U