CN217518565U

CN217518565U - Subway tunnel main track reinforced concrete protective airtight door

Info

Publication number: CN217518565U
Application number: CN202221023308.4U
Authority: CN
Inventors: 曹光远
Original assignee: Sichuan Borui Civil Air Defense Engineering Co ltd
Current assignee: Sichuan Borui Civil Air Defense Engineering Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-30
Anticipated expiration: 2032-04-29

Abstract

The application document discloses a subway tunnel normal line reinforced concrete protective airtight door, which belongs to the technical field of airtight doors and comprises a hinge and a door frame, wherein the front surface wall of the door frame is rotationally connected with a door body through the hinge, the door body is provided with a mounting groove and an escape opening, the escape opening is positioned at one side of the mounting groove, an observation window is arranged inside the mounting groove, the front surface wall of the door body, which is positioned at the position of the escape opening, is provided with a sealing plate, the top end inside the door body is provided with an electric push rod, the bottom end of the electric push rod is provided with a mounting plate, the bottom end of the mounting plate is provided with a stop lever, the stop lever can be pushed by the electric push rod to move downwards when the door body is not escaped, so that the stop lever is shielded inside the escape opening to close the escape opening, the stop lever is lifted by the electric push rod when the door body needs to escape, the escape opening can be used for escaping through the escape opening, and is convenient and practical, the problem that workers cannot escape when the door body is blocked or damaged is avoided, and the escape probability of the workers is increased.

Description

Subway tunnel main line reinforced concrete protective airtight door

Technical Field

The utility model belongs to the technical field of airtight door technique and specifically relates to a subway tunnel positive line reinforced concrete protective airtight door.

Background

The airtight door leaf is formed for assembly welding such as flat steel plate, # -shaped gusset, collar tie beam, and the airtight door is the door that can increase the gas tightness, and protective airtight door sets up in the access & exit outside, has and blocks two kinds of functions of shock wave and isolated poison agent, and protective airtight door should be able to block the shock wave, satisfies corresponding resistance requirement, and subway tunnel main line adopts reinforced concrete protective airtight door, satisfies the civil air defense requirement.

However, when the airtight door is damaged or accidentally blocked, workers are difficult to escape and cannot escape in an emergency, and therefore the problems are solved by the subway tunnel main line reinforced concrete protective airtight door.

SUMMERY OF THE UTILITY MODEL

The utility model provides a subway tunnel main line reinforced concrete protective airtight door to when the airtight door that proposes damages or unexpected quilt in solving above-mentioned background art, the workman is difficult to escape, the unable emergent problem of fleing.

In order to achieve the above purpose, the following technical solutions are adopted in the present application:

the utility model provides a subway tunnel main line reinforced concrete protective airtight door, includes hinge and door frame, the preceding table wall of door frame is connected with a body through hinge rotation, set up the mounting groove on the door body and the mouth of fleing, the mouth of fleing is located one side of mounting groove, the internally mounted of mounting groove has the observation window, the preceding table wall that the door body is located the mouth position department of fleing is provided with the closing plate, the inside top of the door body is provided with electric putter, electric putter's bottom is provided with the mounting panel, the bottom of mounting panel is provided with the pin, the pin is worn to establish the door body and with the bottom looks butt of the mouth of fleing.

In a preferred embodiment, the bottom end of the stop lever is fixed with a shock pad by strong adhesive.

In a preferred embodiment, the door body has grips on both outer walls thereof.

In a preferred embodiment, a magnet is fixedly connected to the top end of the sealing plate, and the magnet is connected to the door body in an adsorption manner.

As a preferred embodiment, both sides of the piston rod of the electric push rod are provided with fixed blocks, fastening screws are arranged on the fixed blocks in a penetrating manner, and the fastening screws are in threaded connection with the mounting plate.

In a preferred embodiment, the number of the stop levers is five, and the five stop levers are arranged longitudinally along a straight line.

As a preferred embodiment, the rear surface wall of the door body is provided with two fixing plates, the two fixing plates are respectively located at two ends of the observation window, and a protection rod is fixedly connected between the two fixing plates.

In a preferred embodiment, the shock absorbing pad is made of rubber.

The beneficial effect of this application file:

1. when the escape door is not used for escaping, the stop lever can be pushed to move downwards through the electric push rod, so that the stop lever is shielded inside the escape opening to close the escape opening, and when the escape door is needed, the stop lever is lifted through the electric push rod to open the escape opening, so that the escape door can escape through the escape opening, the escape door is convenient and practical, the phenomenon that a worker cannot escape when the door is blocked or damaged is avoided, and the escape probability of the worker is increased;

2. the shock pad can reduce the impact force on the door body when the stop lever moves downwards, so that the door body is protected to a certain extent, and the service life of the door body is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present document;

FIG. 2 is a schematic diagram of the internal structure of the present document;

fig. 3 is a rear view structural diagram of the present application.

Description of the reference numerals:

1. mounting grooves; 2. an observation window; 3. a door body; 4. a hinge; 5. a door frame; 6. a magnet; 7. sealing plates; 8. an electric push rod; 9. fastening screws; 10. a fixed block; 11. a shock pad; 12. an escape opening; 13. a stop lever; 14. mounting a plate; 15. a fixing plate; 16. a guard bar; 17. a handle.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1, 2 and 3, a subway tunnel main line reinforced concrete protective airtight door comprises a hinge 4 and a door frame 5, wherein the front surface wall of the door frame 5 is rotatably connected with a door body 3 through the hinge 4, the outer surface walls of two sides of the door body 3 are respectively provided with a handle 17, the door body 3 can be opened and closed more flexibly through the handle 17, the door body 3 is provided with a mounting groove 1 and an escape opening 12, the escape opening 12 is positioned at one side of the mounting groove 1, an observation window 2 is arranged inside the mounting groove 1, the front surface wall of the door body 3 at the position of the escape opening 12 is provided with a sealing plate 7, the top end of the sealing plate 7 is fixedly connected with a magnet 6, the magnet 6 is connected with the door body 3 in an adsorption manner, the sealing plate 7 can be adsorbed on the door body 3 through the magnet 6, the dismounting and mounting are flexible and convenient, the top end inside the door body 3 is provided with an electric push rod 8, the bottom end of the electric push rod 8 is provided with a mounting plate 14, the bottom end of the mounting plate 14 is provided with five stop levers 13, the stop levers 13 are longitudinally arranged along a straight line, the escape opening 12 can be closed under the condition of no escape, and the stop levers 13 penetrate through the door body 3 and are abutted against the bottom end of the escape opening 12.

Referring to fig. 2 and 3, the shock absorbing pad 11 is fixed to the bottom end of the stop lever 13 through a strong adhesive, the shock absorbing pad 11 can reduce the impact on the door body 3 when the stop lever 13 moves down, so as to protect the door body 3, and the shock absorbing pad 11 is made of rubber, so that the shock absorbing effect of the shock absorbing pad 11 is improved.

Referring to fig. 3, the rear surface wall of the door body 3 is provided with two fixing plates 15, the two fixing plates 15 are respectively located at two ends of the observation window 2, a protection rod 16 is fixedly connected between the two fixing plates 15, and the protection rod 16 can reduce the condition that the observation window 2 is impacted and protect the observation window 2.

The working principle is as follows: when the escape door is used, a worker can flexibly open and close the door body 3 through the handle 17, then the electric push rod 8 is started through an external power switch, the electric push rod 8 drives the stop rod 13 to lift, the escape opening 12 can be opened or closed, when the door body 3 is damaged and needs to escape, the electric push rod 8 can drive the stop rod 13 to lift, the escape opening 12 can be opened, the escape opening 12 can be closed at ordinary times, the escape opening 12 is covered through the sealing plate 7, and the sealing performance of the door body 3 is improved.

In the description of the present document, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present document.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description herein, "plurality" means two or more unless specifically limited otherwise.

The above description is only a preferred embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present disclosure, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present disclosure should be covered by the scope of the present disclosure.

Claims

1. The utility model provides a subway tunnel main line reinforced concrete protective airtight door, includes hinge (4) and door frame (5), its characterized in that: the utility model discloses a door frame, including door frame (5), door frame (3) and door frame (3), the preceding table wall of door frame (5) is connected with a body (3) through hinge (4) rotation, mounting groove (1) and escape opening (12) have been seted up on the door body (3), escape opening (12) are located one side of mounting groove (1), the internally mounted of mounting groove (1) has observation window (2), the preceding table wall that the door body (3) are located escape opening (12) position department is provided with closing plate (7), the inside top of the door body (3) is provided with electric putter (8), the bottom of electric putter (8) is provided with mounting panel (14), the bottom of mounting panel (14) is provided with pin (13), pin (13) are worn to establish the door body (3) and are with the bottom looks butt of escaping opening (12).

2. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the bottom end of the stop lever (13) is fixedly provided with a shock pad (11) by strong glue.

3. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the outer surface walls of the two sides of the door body (3) are provided with grips (17).

4. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the top end of the sealing plate (7) is fixedly connected with a magnet (6), and the magnet (6) is connected with the door body (3) in an adsorption mode.

5. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the two sides of a piston rod of the electric push rod (8) are provided with fixing blocks (10), fastening screws (9) are arranged on the fixing blocks (10) in a penetrating mode through threads, and the fastening screws (9) are connected with the mounting plate (14) in a threaded mode.

6. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the number of the stop levers (13) is five, and the five stop levers (13) are longitudinally arranged along a straight line.

7. The subway tunnel main line reinforced concrete protective airtight door of claim 1, characterized in that: the rear surface wall of the door body (3) is provided with two fixing plates (15), the two fixing plates (15) are respectively positioned at two ends of the observation window (2), and a guard rod (16) is fixedly connected between the two fixing plates (15).

8. The subway tunnel main line reinforced concrete protective airtight door of claim 2, characterized in that: the shock pad (11) is made of rubber.