Air shaft structure for civil air defense engineering design

Abstract

The utility model relates to the technical field of air shafts for civil air defense engineering, and discloses an air shaft structure for civil air defense engineering design, which comprises an air shaft body, the top of the air shaft body is fixedly connected with a top plate, a disassembly structure is arranged in the air shaft body, an in-shaft channel is arranged in the air shaft body, and an escape structure is arranged in the air shaft body. According to the air shaft, the disassembling structure is arranged in the air shaft body, the sealing cover plate can be opened through the first handle, the connecting block at one end of the ventilation shutter is pulled out firstly, then the connecting block at the other end of the ventilation shutter is pulled out, and therefore the whole ventilation shutter can be disassembled, and the ventilation shutter is thoroughly cleaned; due to the fact that the escape structure is arranged in the air shaft body, when an emergency occurs, people in the civil air defense project can climb up through the two escape ladders in the air shaft body, and the people can leave the civil air defense project by opening the movable cover plate.

Description

Technical Field

[0001] The utility model relates to the technical field of air shafts for civil air defense projects, in particular to an air shaft structure designed for civil air defense projects. Background Art

[0002] Civil air defense projects refer to underground protective buildings built separately to ensure the shelter of personnel and materials, civil air defense command, and medical rescue in wartime, as well as basements that can be used for air defense in wartime built in combination with ground buildings. Civil air defense projects are usually designed with special air shafts. Such air shafts can refer to patent number: 202222795023.9.

[0003] The ventilation louvers of the air shaft structure of general civil air defense projects are non-detachable. When the louvers are exposed to the outside for a long time, a lot of dust will adhere to them, which will affect the ventilation effect. If there is no escape structure, the people in the civil air defense project may not be able to get out in an emergency. Therefore, it is necessary to design an air shaft structure for civil air defense projects with ventilation louvers that can be disassembled and cleaned and with an escape structure. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a wind shaft structure designed for civil air defense projects, which has the advantages that the ventilation louvers can be disassembled and cleaned and is provided with an escape structure, thereby solving the problem that the ventilation louvers of general civil air defense project wind shaft structures are non-detachable, the louvers are exposed to the outside for a long time, a lot of dust will adhere to them, affecting the ventilation effect, and if no escape structure is provided, the personnel in the civil air defense project may not be able to get out in an emergency.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a wind shaft structure designed for civil air defense engineering, comprising a wind shaft body, a top plate fixedly connected to the top of the wind shaft body, a disassembly structure arranged inside the wind shaft body, an in-shaft passage opened inside the wind shaft body, an escape structure arranged inside the wind shaft body, the disassembly structure comprising a first mounting groove, a second mounting groove, a first hinge plate, a sealing cover plate, a first handle, a spring, a splint, a connecting block, ventilation louvers and a movable block, the wind shaft body is respectively provided with a first mounting groove and a second mounting groove, the first mounting groove is movably connected with a sealing cover plate through a first hinge plate, the right side of the sealing cover plate is fixedly installed with a first handle, the interior of the second mounting groove and the left side of the sealing cover plate are both fixedly connected with a spring, the outer surface of the spring is fixedly connected with a splint, the interior of the first mounting groove and the interior of the second mounting groove are both provided with connecting blocks, ventilation louvers are fixedly connected between opposite sides of the connecting block, and movable blocks are movably installed on the outer surface and the interior of the wind shaft body.

[0008] Preferably, the escape structure includes an escape ladder, a second hinge plate, a movable cover plate, a second handle, a movable bar and a fixing buckle; the escape ladder is fixedly installed inside the air shaft body; the bottom of the top plate is movably connected to the movable cover plate through the second hinge plate; the bottom of the movable cover plate is fixedly installed with a second handle; the bottom of the movable cover plate is movably installed with a movable bar; the bottom of the top plate is fixedly installed with a fixing buckle; and the outer surface of the fixing buckle is matched with the outer surface of the movable bar.

[0009] Preferably, a sealing ring is fixedly connected to the outer surface of the movable cover plate, and when the movable cover plate is closed, the sealing ring can cooperate with the outlet to keep it sealed, thereby preventing rainwater and debris from entering the air shaft.

[0010] Preferably, a guardrail is fixedly installed on the outer surface of the escape ladder, and each escape ladder is installed with a guardrail, which can protect people using the escape ladder.

[0011] Compared with the prior art, the utility model provides a ventilation shaft structure for civil air defense engineering design, which has the following beneficial effects:

[0012] 1. The ventilation louvers of the traditional air shaft structure of civil air defense projects are non-detachable, which will affect the ventilation effect, and there is no escape structure. In an emergency, the personnel in the civil air defense project cannot get out. The design of the utility model is provided with a disassembly structure in the air shaft body. The sealing cover plate can be opened by using the first handle. The connecting block at one end of the ventilation louver is pulled out first, and then the connecting block at the other end is pulled out to complete the disassembly of the entire ventilation louver, and the ventilation louver is thoroughly cleaned. The utility model is provided with an escape structure in the air shaft body. When an emergency occurs, the personnel in the civil air defense project can climb up through the two escape ladders in the air shaft body and open the movable cover plate to leave the civil air defense project.

[0013] 2. This air shaft structure integrates the functions of removable ventilation shutters and emergency escape. This air shaft structure is provided with a sealing ring on the movable cover. When the movable cover is closed, the sealing ring can keep the outlet sealed to prevent rainwater and debris from entering the air shaft. This air shaft structure is provided with guardrails on the escape ladder. Each escape ladder is provided with guardrails to protect people using the escape ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a side view of the first installation slot of the utility model;

[0016] Figure 3 This is a rear view structural diagram of the second installation slot of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the air shaft body of the utility model;

[0018] Figure 5 This is a schematic diagram of the top plate structure of the utility model when viewed from above;

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the ventilation louver of the utility model.

[0020] Among them: 1. Air shaft body; 2. Top plate; 3. Disassembly structure; 301. First installation slot; 302. Second installation slot; 303. First hinge plate; 304. Sealing cover plate; 305. First handle; 306. Spring; 307. Clamp; 308. Connecting block; 309. Ventilation shutter; 310. Movable card block; 4. Passage in the shaft; 5. Escape structure; 501. Escape ladder; 502. Second hinge plate; 503. Movable cover plate; 504. Second handle; 505. Movable bar; 506. Fixing buckle; 6. Sealing ring; 7. Guardrail. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1:

[0023] Please refer to Figure 1-3 A wind shaft structure designed for civil air defense engineering includes a wind shaft body 1, a top plate 2 is fixedly connected to the top of the wind shaft body 1, a disassembly structure 3 is arranged inside the wind shaft body 1, and the disassembly structure 3 includes a first installation groove 301, a second installation groove 302, a first hinge plate 303, a sealing cover plate 304, a first handle 305, a spring 306, a clamping plate 307, a connecting block 308, a ventilation shutter 309 and a movable block 310, and the first installation groove 301 and the second installation groove 302 are respectively opened inside the wind shaft body 1, and the interior of the first installation groove 301 is ventilated. A sealing cover plate 304 is movably connected to the first hinge plate 303, a first handle 305 is fixedly installed on the right side of the sealing cover plate 304, a spring 306 is fixedly connected to the inside of the second mounting groove 302 and the left side of the sealing cover plate 304, a clamping plate 307 is fixedly connected to the outer surface of the spring 306, a connecting block 308 is provided inside the first mounting groove 301 and the inside of the second mounting groove 302, ventilation louvers 309 are fixedly connected between the opposite sides of the connecting block 308, and a movable clamping block 310 is movably installed on the outer surface and inside of the air shaft body 1.

[0024] Working principle: When the ventilation louver 309 needs to be cleaned, rotate the movable block 310 outside the air shaft body 1, pull the first handle 305 to open the sealing cover 304, and then pull the connecting block 308 on the right side of the ventilation louver 309 out of the first mounting groove 301, and then pull the connecting block 308 on the left side out of the second mounting groove 302 to take out the entire ventilation louver 309, or remove the ventilation louver 309 from the inside so that the escape structure 5 can output personnel faster. After the ventilation louver 309 is cleaned, first squeeze the two clamping plates 307 of the left connecting block 308 and put it into the second mounting groove 302, and then put the right connecting block 308 into the first mounting groove 301, close the sealing cover 304 and rotate the movable block 310 to fix the sealing cover 304.

[0025] Embodiment 2:

[0026] Please refer to Figure 4-5An inner shaft passage 4 is opened inside the air shaft body 1, and an escape structure 5 is arranged inside the air shaft body 1. The escape structure 5 includes an escape ladder 501, a second hinge plate 502, a movable cover plate 503, a second handle 504, a movable bar 505 and a fixing buckle 506. The escape ladder 501 is fixedly installed inside the air shaft body 1, and the bottom of the top plate 2 is movably connected with the movable cover plate 503 through the second hinge plate 502. The bottom of the movable cover plate 503 is fixedly installed with the second handle 504, and the bottom of the movable cover plate 503 is movably installed with the movable bar 505. The bottom of the top plate 2 is fixedly installed with a fixing buckle 506, and the outer surface of the fixing buckle 506 is matched with the outer surface of the movable bar 505. The outer surface of the movable cover plate 503 is fixedly connected with a sealing ring 6, and the outer surface of the movable cover plate 503 is fixedly installed with a guardrail 7.

[0027] Working principle: When an emergency occurs, personnel in the civil air defense project can escape through the two escape ladders 501 in the air shaft body 1. They can climb to the top of the air shaft through the escape ladder 501, remove the movable bar 505 from the fixing buckle 506, open the movable cover 503 and leave the civil air defense project, or remove the ventilation louver 309 through the disassembly structure 3 to leave the civil air defense project. The sealing ring 6 cooperates with the movable cover 503 to prevent rainwater and debris from entering the air shaft, and the guardrail 7 on the escape ladder 501 can protect the personnel using the escape ladder 501.

[0028] 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 ventilation shaft structure for civil air defense engineering, comprising a ventilation shaft body (1), characterized in that: The top of the air shaft body (1) is fixedly connected to a top plate (2), a disassembly structure (3) is arranged inside the air shaft body (1), an in-shaft passage (4) is opened inside the air shaft body (1), an escape structure (5) is arranged inside the air shaft body (1), the disassembly structure (3) comprises a first mounting groove (301), a second mounting groove (302), a first hinge plate (303), a sealing cover plate (304), a first handle (305), a spring (306), a clamping plate (307), a connecting block (308), a ventilation louver (309) and a movable clamping block (310), the first mounting groove (301) and the second mounting groove (302) are respectively opened inside the air shaft body (1), the The interior of the first installation groove (301) is movably connected to a sealing cover plate (304) via a first hinge plate (303); a first handle (305) is fixedly installed on the right side of the sealing cover plate (304); the interior of the second installation groove (302) and the left side of the sealing cover plate (304) are both fixedly connected to a spring (306); the outer surface of the spring (306) is fixedly connected to a clamping plate (307); the interior of the first installation groove (301) and the interior of the second installation groove (302) are both provided with a connecting block (308); ventilation louvers (309) are fixedly connected between opposite sides of the connecting block (308); and movable clamping blocks (310) are movably installed on the outer surface and the interior of the air shaft body (1).

2. The air shaft structure for civil air defense engineering design according to claim 1 is characterized by: The escape structure (5) comprises an escape ladder (501), a second hinge plate (502), a movable cover plate (503), a second handle (504), a movable bar (505) and a fixing buckle (506); the escape ladder (501) is fixedly installed inside the air shaft body (1); the bottom of the top plate (2) is movably connected to the movable cover plate (503) via the second hinge plate (502); the bottom of the movable cover plate (503) is fixedly installed with the second handle (504); the bottom of the movable cover plate (503) is movably installed with the movable bar (505); the bottom of the top plate (2) is fixedly installed with the fixing buckle (506); the outer surface of the fixing buckle (506) is matched with the outer surface of the movable bar (505).

3. The air shaft structure for civil air defense engineering design according to claim 2 is characterized by: A sealing ring (6) is fixedly connected to the outer surface of the movable cover plate (503).

4. The air shaft structure for civil air defense engineering design according to claim 2 is characterized by: A guardrail (7) is fixedly mounted on the outer surface of the escape ladder (501).

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