Civil air defense door with observation structure

Abstract

The civil defense door with the observation structure relates to the technical field of civil defense doors and comprises a frame body, a first movable groove and a second movable groove are sequentially formed in the surface of the rear side of the frame body from top to bottom, and a first sliding rod is fixedly installed between the inner walls of the left side and the right side of an inner cavity of the first movable groove; the first sliding rod and the second sliding rod are arranged on the rear side of the frame body, and the first sliding block and the second sliding block are arranged on the surfaces of the first sliding block and the second sliding rod, so that a user can open the first window body and the second window body by pulling the handle, and positioning blocks are fixedly mounted on the upper side and the lower side of the second window body; and openings are formed in the surfaces of the first sealing plate and the second sealing plate, the second window body can move to the same side of the first window body and be opened, the effect that the first window body and the second window body can be opened at the same time to be opened and closed differently is achieved, the observation view field of the civil defense door observation window is expanded, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door with an observation structure. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment.

[0003] After searching, Chinese utility model patent CN215830362U is specifically a kind of civil air defense door with an observation window, which relates to the technical field of civil air defense doors, including a door body and a frame, a fixed rod is arranged on one side of the frame, the outer surface of the fixed rod is rotatably connected with a rotating block, the outer surface of the rotating block is fixedly connected with the door body, the outer surface of the fixed rod is sleeved with a torsion spring, the two ends of the torsion spring are respectively fixedly connected with the bottom of the rotating block and the bottom of the inner surface of the frame, a locking structure is arranged between the door body and the frame, an observation device is arranged on one side of the door body, an auxiliary device is provided on one side of the frame, the observation device includes a window, and the window is arranged on one side of the door body. In the utility model, the entire device can observe the situation inside the civil air defense door by arranging an observation window, and through the combined action of the baffle, the sliding block, the positioning rod, the positioning hole and the No. 1 spring, the baffle can protect the observation window from damage, thereby improving the practicality of the device.

[0004] When the existing civil defense doors are in use, it is difficult for outsiders to observe the situation inside the civil defense doors, and the process of opening the civil defense doors is very cumbersome, and an observation window needs to be provided on the surface of the civil defense doors. However, the existing civil defense doors are very inconvenient to open from the outside, and the observable viewing angle is limited. Therefore, it is necessary to propose a new type of civil defense door with an observation structure. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that when the existing civil air defense door is in use, it is difficult for outsiders to observe the internal situation of the civil air defense door, and the process of opening the civil air defense door is very cumbersome, and it is necessary to provide an observation window on the surface of the civil air defense door, but the existing one is very inconvenient to open from the outside and the observable viewing angle is limited. Therefore, a civil air defense door with an observation structure is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a civil defense door with an observation structure, including a frame body, and a first movable groove and a second movable groove are opened on the rear surface of the frame body from top to bottom in sequence, a first sliding rod is fixedly installed between the inner walls on the left and right sides of the inner cavity of the first movable groove, and a second sliding rod is fixedly installed between the inner walls on the left and right sides of the inner cavity of the second movable groove, and a first sliding block and a second sliding block are slidably arranged on the surfaces of the first sliding block and the second sliding block from left to right in sequence, a first window body is rotatably connected between the two first sliding blocks, and a second window body is rotatably connected between the two second sliding blocks.

[0007] Preferably, a first sealing plate and a second sealing plate are fixedly mounted on the rear side of the frame in sequence from top to bottom, and the first sealing plate and the second sealing plate are respectively located at upper and lower sides of the first window and the second window.

[0008] Preferably, positioning blocks are fixedly installed on both the upper and lower sides of the second window body, and openings are opened on the surfaces of the first sealing plate and the second sealing plate, and the two positioning blocks pass through the corresponding openings.

[0009] Preferably, a switch door is movably hinged on the surface of the frame, and the first window and the second window are both embedded in the surface of the switch door.

[0010] Preferably, a first shell is fixedly mounted on the left side of the front surface of the first window, and a limiting rod is inserted into the interior of the first shell.

[0011] Preferably, a limiting block is fixedly mounted on the surface of the limiting rod, a telescopic spring is provided between the bottom of the limiting block and the bottom of the inner cavity of the first shell, the telescopic spring is sleeved on the outside of the limiting rod, and a pull rod is fixedly mounted on the bottom of the limiting rod.

[0012] Preferably, a second shell is fixedly installed on the right side of the front surface of the second window, a limiting hole is opened inside the second shell, the top end of the limiting rod is inserted into the inner cavity of the second shell through the limiting hole, and handles are fixedly installed on the front sides of the first window and the second window.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by providing a first slide bar and a second slide bar on the rear side of the frame body, and providing a first slide bar and a second slide bar on the surface of the first slide bar and the second slide bar, the user can open the first window and the second window by pulling the handle, and by fixing positioning blocks on the upper and lower sides of the second window, and openings are provided on the surfaces of the first sealing plate and the second sealing plate, the second window can be moved to the same side of the first window and opened, so that the first window and the second window can be opened at the same time to achieve different opening and closing effects, thereby realizing the expansion of the observation field of the observation window of the civil air defense door, and having strong practicality.

[0015] 2. In the utility model, by providing the first shell and the second shell on the front side of the first window and the second window, the user can pull the pull rod before opening the window, and the pull rod drives the limit rod downward to be pulled out from the limit hole on the surface of the second shell, and then the first window and the second window are unlocked. Before closing the window, the user can put the first window and the second window together at the door opening and closing position, and then align the limit rod with the limit hole and insert it. The limit block on the surface of the limit rod is acted upon by the telescopic spring, and the top end is always inserted into the limit hole, thereby locking the window, thereby realizing the locking and unlocking functions of the observation window of the civil air defense door, and the utility model is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a rear three-dimensional structural schematic diagram of a human air defense door with an observation structure;

[0017] Figure 2 The utility model provides a schematic diagram of the rear internal cross-sectional structure of a civil air defense door with an observation structure;

[0018] Figure 3 A schematic diagram of the structure of a first shell and a second shell of a human air defense door with an observation structure is provided for the utility model;

[0019] Figure 4 The utility model provides a front structural schematic diagram of a human defense door with an observation structure.

[0020] Legend: 1. Frame; 2. First movable groove; 3. Second movable groove; 4. First sliding rod; 5. Second sliding rod; 6. First slider; 7. Second slider; 8. First window; 9. Second window; 10. First sealing plate; 11. Second sealing plate; 12. Positioning block; 13. Opening; 14. Opening and closing door; 15. First shell; 16. Limit rod; 17. Limit block; 18. Telescopic spring; 19. Pull rod; 20. Second shell; 21. Limit hole. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Example:

[0024] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a human defense door with an observation structure, comprising a frame body 1, a first movable groove 2 and a second movable groove 3 are sequentially opened on the rear side surface of the frame body 1 from top to bottom, a first sliding rod 4 is fixedly installed between the inner walls on the left and right sides of the inner cavity of the first movable groove 2, and a second sliding rod 5 is fixedly installed between the inner walls on the left and right sides of the inner cavity of the second movable groove 3, a first slider 6 and a second slider 7 are slidably arranged on the surfaces of the first slider 4 and the second slider 5 from left to right, a first window body 8 is rotatably connected between the two first sliders 6, and a second window body 9 is rotatably connected between the two second sliders 7, a first sealing plate 10 and a second sealing plate 11 are fixedly installed on the rear side of the frame body 1 from top to bottom, the first sealing plate 10 and the second sealing plate 11 are respectively located on the upper and lower sides of the first window 8 and the second window 9, positioning blocks 12 are fixedly installed on the upper and lower sides of the second window 9, openings 13 are opened on the surfaces of the first sealing plate 10 and the second sealing plate 11, and the two positioning blocks 12 pass through the corresponding openings 13.

[0025] In this embodiment, by providing the first sliding bar 4 and the second sliding bar 5 on the rear side of the frame 1, and providing the first sliding bar 6 and the second sliding bar 5 on the surface of the first sliding bar 6 and the second sliding bar 5, the user can open the first window 8 and the second window 9 by pulling the handle, and by fixing the positioning blocks 12 on the upper and lower sides of the second window 9, and openings 13 are provided on the surfaces of the first sealing plate 10 and the second sealing plate 11, the second window 9 can be moved to the same side of the first window 8 and opened.

[0026] Example:

[0027] like Figure 3-Figure 4 As shown, a first shell 15 is fixedly installed on the left side of the front surface of the first window 8, a limiting rod 16 is inserted inside the first shell 15, a limiting block 17 is fixedly installed on the surface of the limiting rod 16, a telescopic spring 18 is provided between the bottom of the limiting block 17 and the bottom of the inner cavity of the first shell 15, the telescopic spring 18 is sleeved on the outside of the limiting rod 16, a pull rod 19 is fixedly installed on the bottom of the limiting rod 16, a second shell 20 is fixedly installed on the right side of the front surface of the second window 9, a limiting hole 21 is provided inside the second shell 20, the top end of the limiting rod 16 is inserted into the inner cavity of the second shell 20 through the limiting hole 21, and handles are fixedly installed on the front sides of the first window 8 and the second window 9.

[0028] In this embodiment, by providing the first shell 15 and the second shell 20 on the front side of the first window 8 and the second window 9, the user can pull the pull rod 19 before opening the window, and the pull rod 19 drives the limit rod 16 downward to be pulled out from the limit hole 21 on the surface of the second shell 20. At this time, the first window 8 and the second window 9 are unlocked. Before closing the window, the user can put the first window 8 and the second window 9 together at the switch door 14, and then align the limit rod 16 with the limit hole 21 and insert it. The limit block 17 on the surface of the limit rod 16 is acted upon by the telescopic spring 18, and the top end is always inserted in the limit hole 21.

[0029] The working principle of this embodiment is as follows: when in use, before opening the window, the user can pull the pull rod 19, and the pull rod 19 will drive the limit rod 16 downward to be pulled out from the limit hole 21 on the surface of the second shell 20, and then the first window 8 and the second window 9 can be opened by the handle. After opening the second window 9, the second window 9 can be pulled. When the second window 9 moves to the right, the second window 9 can be pushed, and the positioning blocks 12 on the upper and lower sides of the second window 9 can pass through the opening 13, so as to facilitate observation of the inside of the switch door 14. Before closing the window, the user can put the first window 8 and the second window 9 together at the switch door 14, and then align the limit rod 16 with the limit hole 21 and insert it. The limit block 17 on the surface of the limit rod 16 is acted upon by the telescopic spring 18, and the top end is always inserted into the limit hole 21, thereby locking it.

[0030] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A civil air defense door with an observation structure, characterized in that: The invention comprises a frame body (1), wherein a first movable groove (2) and a second movable groove (3) are sequentially provided on the rear surface of the frame body (1) from top to bottom, a first sliding rod (4) is fixedly installed between the inner walls on the left and right sides of the inner cavity of the first movable groove (2), a second sliding rod (5) is fixedly installed between the inner walls on the left and right sides of the inner cavity of the second movable groove (3), a first sliding block (6) and a second sliding block (7) are sequentially slidably provided on the surfaces of the first sliding block (4) and the second sliding block (5) from left to right, a first window body (8) is rotatably connected between the two first sliding blocks (6), and a second window body (9) is rotatably connected between the two second sliding blocks (7).

2. The civil defense door with an observation structure according to claim 1, characterized in that: A first sealing plate (10) and a second sealing plate (11) are fixedly mounted on the rear side of the frame (1) in sequence from top to bottom. The first sealing plate (10) and the second sealing plate (11) are located at the upper and lower sides of the first window (8) and the second window (9), respectively.

3. The civil defense door with an observation structure according to claim 2, characterized in that: Positioning blocks (12) are fixedly mounted on both upper and lower sides of the second window (9); openings (13) are provided on the surfaces of the first sealing plate (10) and the second sealing plate (11); and the two positioning blocks (12) pass through the corresponding openings (13).

4. The civil defense door with an observation structure according to claim 3, characterized in that: A switch door (14) is movably hinged on the surface of the frame (1), and the first window (8) and the second window (9) are both embedded in the surface of the switch door (14).

5. The civil defense door with an observation structure according to claim 4, characterized in that: A first shell (15) is fixedly mounted on the left side of the front surface of the first window (8), and a limiting rod (16) is inserted into the interior of the first shell (15).

6. The civil defense door with an observation structure according to claim 5, characterized in that: A limiting block (17) is fixedly mounted on the surface of the limiting rod (16); a telescopic spring (18) is provided between the bottom of the limiting block (17) and the bottom of the inner cavity of the first shell (15); the telescopic spring (18) is sleeved on the outside of the limiting rod (16); and a pull rod (19) is fixedly mounted on the bottom of the limiting rod (16).

7. The civil defense door with an observation structure according to claim 6, characterized in that: A second shell (20) is fixedly mounted on the right side of the front surface of the second window (9); a limiting hole (21) is provided inside the second shell (20); the top end of the limiting rod (16) is inserted into the inner cavity of the second shell (20) through the limiting hole (21); and handles are fixedly mounted on the front sides of both the first window (8) and the second window (9).

Images