Four-side plugging type push-pull protective air-tight door system

Abstract

The utility model discloses a four-side plugging type push-and-pull protective air-tight door system which comprises an upper layer beam, a lower layer floor, rails, air-tight doors and a door frame, the rails are arranged on the upper layer beam in a square shape, the air-tight doors are arranged on the rails at intervals, the air-tight doors on the same rail are in butt joint to form a continuous air-tight door wall, and the air-tight doors are arranged on the door frame. The door frame comprises an upper door frame body and a lower door frame body, the upper door frame body is arranged on the upper-layer beam, and the lower door frame body is arranged in the lower-layer floor. Loading and unloading of the air-tight doors are achieved through the open-type front end of the rail, when protection is needed, the air-tight doors are installed on the rail and are in butt joint with each other to form an air-tight door wall with the four sealed faces to achieve the protection effect, and when protection is not needed, the air-tight doors are disassembled one by one and recovered to be communicated openings without wall columns, so that the air-tight doors are protected. The purpose of protection and sealing under the condition that a door frame wall is not arranged is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective closed doors, in particular to a four-side blocked push-pull protective closed door system. Background Art

[0002] Civil defense doors are an important part of civil air defense projects, and play a role in the closed protection of the interior of the protection space. Existing civil defense doors can only cooperate with door frame walls, such as the protective closed doors disclosed in CN110185367A and CN112523658A, which can only block a single door opening, have a slow speed of conversion between peacetime and wartime, a limited scope of application, and poor practicality. As people have put forward higher requirements for the aesthetics and comfort of buildings, there are some connected openings that do not have the conditions for setting up door frame walls, and the span of the openings is large, and horizontal blocking cannot be used. For example, the integrated entrance and exit of the airport hall and the subway station hall, the entrance and exit of the TOD large commercial complex, etc. do not have door frame walls, and the above-mentioned protective closed doors cannot be used. The utility model provides a four-sided blocking type sliding protective closed door system to solve the above problems. Utility Model Content

[0003] The utility model provides a four-sided blocked type push-pull protective closed door system, which utilizes closed doors arranged at intervals to continuously form a closed door wall and connect with each other to block on four sides, thereby solving the protective and closed problem of the connecting opening.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A four-side blocking type sliding protection closed door system, comprising an upper beam, a lower floor, a track, a closed door and a door frame, wherein the track is arranged on the upper beam in a square shape, the closed doors are arranged on the track at intervals, the closed doors on the same track are connected to each other to form a continuous closed door wall, and are connected to the closed door walls on the adjacent tracks to form a four-side blocking type closed door wall, the door frame comprises an upper door frame and a lower door frame, the upper door frame is arranged on the upper beam, and the lower door frame is arranged in the lower floor;

[0006] The tail end of the track is located at the head end of the adjacent track, the head end of the track is cantilevered and exceeds the tail end of the adjacent track, the lower door frame is correspondingly arranged below the track, and the front end of the lower door frame exceeds the front end of the upper door frame and the front end of the track.

[0007] The upper door frame and the lower door frame are both provided with door frame sealing strips, and the closed door at the corner is provided with a door leaf sealing strip, and the door leaf sealing strip is butt-jointed with the door frame sealing strip to form an annular seal.

[0008] Furthermore, the enclosed door comprises a door leaf and a track pulley, the track pulley is movably arranged on a track, and the door leaf is arranged on the bottom end of the track pulley.

[0009] Furthermore, the track pulley includes a suspension roller, a limit seat, a limit roller, a connecting seat and a connecting shaft, the suspension roller and the limit roller are arranged in the limit seat, the suspension roller is located in the track, the limit roller is located below the track and contacts the bottom surface of the track, the limit seat is located on both sides of the track, the connecting seat is fixedly connected to the bottom of the limit seat, the connecting shaft is movably arranged at the bottom of the connecting seat, and the door leaf is fixedly connected to the connecting shaft.

[0010] Furthermore, the upper door frame and the lower door frame are both provided with locking seats, the door leaf comprises a door body and a locking structure, the locking structure is arranged in the door body and cooperates with the locking seat.

[0011] Furthermore, the door frame sealing strip and the door leaf sealing strip both include a sealing groove and a sealing strip, and the sealing strip is arranged in the sealing groove.

[0012] The beneficial effects of the utility model are as follows:

[0013] The open front end of the track is used to load and unload the closed doors. When protection is needed, the closed doors are installed on the track and connected to each other to form a closed door wall with four sides blocked to play a protective role. When protection is not needed, the closed doors are removed one by one to restore the connecting opening without wall columns, thus achieving the purpose of protective sealing without the condition of setting up a door frame wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the door frame and sealing strip setting state of the utility model;

[0016] Figure 3 It is a front view schematic diagram of the overall structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the closed door structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the rail pulley structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the sealing strip structure of the utility model;

[0020] Figure 7 It is a detailed schematic diagram of the sealing strip docking structure of the utility model.

[0021] Figure numerals: 1. upper beam; 2. lower floor; 3. track; 4. enclosed door; 41. door leaf; 42. track pulley; 421. suspension roller; 422. limit seat; 423. limit roller; 424. connecting seat; 425. connecting shaft; 5. door frame; 51. upper door frame; 511. door frame sealing strip; 512. door leaf sealing strip; 52. lower door frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification 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 of 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.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] like Figure 1 , 2 As shown in 3, a four-sided blocking type sliding protection closed door system can achieve the purpose of civil defense without setting a door frame wall, and is suitable for sealing protection projects inside buildings, including an upper beam 1, a lower floor slab 2, a track 3, a closed door 4 and a door frame 5. The track 3 is arranged on the upper beam 1 in a U-shaped shape. The setting shape of the track 3 can be any closed polygonal structure according to the building structure. A total of four tracks 3 are arranged, and the ends of adjacent tracks 3 are perpendicular to each other to form a U-shaped structure. The closed door 4 is arranged on the track 3 at intervals and can move along the track 3. The front end of the track 3 The cantilevered and open type, the enclosed door 4 can be installed and disassembled from the front end of the track 3, the enclosed doors 4 are installed one by one on the same track 3 and docked with each other to form a continuous enclosed door wall, and docked with the enclosed door walls on the adjacent tracks 3 to form a four-sided blocked enclosed door wall, the adjacent enclosed door walls are in contact with each other and connected end to end to form a complete annular enclosed door wall, and the internal space thereof is closed in cooperation with the upper beam 1, the lower floor slab 2 and the door frame 5, the door frame 5 includes an upper door frame 51 and a lower door frame 52, the upper door frame 51 is arranged on the upper beam 1, and the lower door frame 52 is arranged in the lower floor slab 2.

[0025] like Figure 1 , 2As shown, the tail end of the track 3 is located at the head end of the adjacent track 3, the head end of the track 3 is cantilevered on the upper beam 1, the head end of the track 3 exceeds the tail end of the adjacent track 3, the lower door frame 52 is correspondingly arranged below the track 3, the front end of the lower door frame 52 exceeds the front end of the upper door frame 51, exceeds the tail end of the adjacent lower door frame 52, and exceeds the front end of the track 3. The above structural setting can realize the convenient disassembly and assembly of the closed door 4. When protective sealing is required, the closed door 4 is installed one by one on the track 3. After the closed doors 4 on the four tracks 3 are installed, the locks in the closed door 4 are controlled to extend and dock with the lock seat to realize protective sealing of the internal space. When protective sealing is not required, the closed doors 4 are removed one by one and transported to the door storage for unified storage.

[0026] When disassembling and assembling the sealed door 4, during installation, since the head end of the lower door frame 52 is the most protruding, first align the sealed door 4 on the lifting facility with the lower door frame 52 and place it therein, then align the track pulley 42 on the sealed door 4 with the track 3 and translate it, so that after the track pulley 42 is hooked onto the track 3, continue to push the sealed door 4 to move toward the tail end of the track 3 to achieve the installation of the sealed door 4, and install the sealed door 4 one by one according to the above operations; when disassembling, move the outermost sealed door 4 outward to the cantilevered head end position of the track 3, connect the sealed door 4 to the lifting facility, continue to move outward until the sealed door 4 is separated from the track 3, and then use the lifting facility to lift the sealed door 4 upward to separate it from the lower door frame 52, and then transport the sealed door 4.

[0027] like Figure 2 , 6 As shown in Figures 7 and 8, the upper door frame 51 and the lower door frame 52 are both provided with door frame sealing strips 511, and the closed door 4 at the corner is provided with door leaf sealing strips 512. After the closed door 4 is installed, the door leaf sealing strips 512 on the closed door 4 are connected with the door frame sealing strips 511 to form a complete annular seal. The closed doors 4 on different tracks 3 are arranged in different ways, so that the door leaf sealing strips 512 on the closed doors 4 at the corners are also arranged in different ways. When the closed door wall of the four-sided blocking type is a centrally symmetrical structure, the outer end face of the innermost closed door 4 on each track 3 is provided with a door leaf sealing strip 512. When the closed door wall of the four-sided blocking type is a centrally symmetrical structure, the outer end faces of the closed doors 4 at both ends of the two closed door walls sandwiched in the middle are provided with door leaf sealing strips 512.

[0028] like Figure 4 , 5 As shown, further, the enclosed door 4 includes a door leaf 41 and a track pulley 42 , the track pulley 42 is movably arranged on the track 3 , and the door leaf 41 is arranged on the bottom end of the track pulley 42 .

[0029] like Figure 5As shown, further, the track pulley 42 includes a hanging roller 421, a limiting seat 422, a limiting roller 423, a connecting seat 424 and a connecting shaft 425, the hanging roller 421 and the limiting roller 423 are arranged in the limiting seat 422, the hanging roller 421 is located in the track 3, the limiting roller 423 is located below the track 3 and contacts the bottom surface of the track 3, the hanging roller 421 and the limiting roller 423 are respectively arranged at the upper and lower parts of the track, and cooperate with each other so that the track pulley 42 can be stably suspended on the track 3 to ensure structural stability and safety, the limiting seat 422 is located on both sides of the track 3, the connecting seat 424 is fixedly connected to the bottom of the limiting seat 422, the connecting seat 424 is arranged to make way for the locking seat on the upper door frame 51 and to improve the structural strength and connection stability, the connecting shaft 425 is movably arranged at the bottom of the connecting seat 424, and the door leaf 41 is fixedly connected to the connecting shaft 425.

[0030] Furthermore, the connecting seat 424 is a U-shaped seat that is turned 90 degrees, and its inner side is open to make way for the locking seat on the upper door frame 51.

[0031] Furthermore, a locking seat is provided on both the upper door frame 51 and the lower door frame 52, and the door leaf 41 includes a door body and a locking structure. The locking structure is arranged in the door body and cooperates with the locking seat. After the locking structure extends into the locking seat, it will drive the door body and the door frame 5 to fit together and extrude the sealing strip to achieve sealing protection.

[0032] Furthermore, the door frame sealing strip 511 and the door leaf sealing strip 512 both include a sealing groove and a sealing strip, and the sealing strip is arranged in the sealing groove.

[0033] Preferably, the track 3 is an I-shaped steel rail.

[0034] Preferably, the rail trolley 42 is provided with a motor, and the rail trolley 42 can be driven by the motor to move along the track 3.

[0035] Preferably, the locking structure includes a coupling, a clutch, a commutator and a locking head, and the locking head can be extended and retracted by manual or electric drive.

[0036] Furthermore, the lower door frame 52 is buried in the lower floor slab 2 .

[0037] Furthermore, a lifting ring is provided on the top of the enclosed door 4, which is connected to the lifting facility when the enclosed door 4 is disassembled or assembled.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A four-side blocking type sliding protective closed door system, characterized in that: The invention comprises an upper beam (1), a lower floor (2), a track (3), a sealed door (4) and a door frame (5), wherein the track (3) is arranged on the upper beam (1) in a U-shaped manner, and the sealed doors (4) are arranged on the track (3) at intervals, and the sealed doors (4) on the same track (3) are connected to each other to form a continuous sealed door wall, and are connected to the sealed door walls on adjacent tracks (3) to form a sealed door wall with four sides blocked, and the door frame (5) comprises an upper door frame (51) and a lower door frame (52), wherein the upper door frame (51) is arranged on the upper beam (1), and the lower door frame (52) is arranged in the lower floor (2); The rear end of the track (3) is located at the head end of the adjacent track (3), the head end of the track (3) is cantilevered and exceeds the rear end of the adjacent track (3), the lower door frame (52) is correspondingly arranged below the track (3), and the front end of the lower door frame (52) exceeds the front end of the upper door frame (51) and exceeds the front end of the track (3).

2. The four-side blocking type sliding protective closed door system according to claim 1 is characterized by: The upper door frame (51) and the lower door frame (52) are both provided with door frame sealing strips (511), and the closed door (4) located at the corner is provided with a door leaf sealing strip (512), and the door leaf sealing strip (512) and the door frame sealing strip (511) are butt-jointed to form an annular seal.

3. The four-side blocking type sliding and pulling protective closed door system according to claim 1 is characterized by: The enclosed door (4) comprises a door leaf (41) and a track pulley (42); the track pulley (42) is movably arranged on a track (3); and the door leaf (41) is arranged on the bottom end of the track pulley (42).

4. The four-side blocking type sliding protective closed door system according to claim 3 is characterized by: The track pulley (42) comprises a suspension roller (421), a limiting seat (422), a limiting roller (423), a connecting seat (424) and a connecting shaft (425); the suspension roller (421) and the limiting roller (423) are arranged in the limiting seat (422); the suspension roller (421) is located in the track (3); the limiting roller (423) is located below the track (3) and contacts the bottom surface of the track (3); the limiting seat (422) is located on both sides of the track (3); the connecting seat (424) is fixedly connected to the bottom of the limiting seat (422); the connecting shaft (425) is movably arranged at the bottom of the connecting seat (424); and the door leaf (41) is fixedly connected to the connecting shaft (425).

5. The four-side blocking type sliding and pulling protective closed door system according to claim 3 is characterized by: The upper door frame (51) and the lower door frame (52) are both provided with a locking seat, and the door leaf (41) comprises a door body and a locking structure, wherein the locking structure is provided in the door body and cooperates with the locking seat.

6. The four-side blocking type sliding protective closed door system according to claim 2 is characterized by: The door frame sealing strip (511) and the door leaf sealing strip (512) both comprise a sealing groove and a sealing strip, and the sealing strip is arranged in the sealing groove.

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