Steel structure movable threshold double-leaf protective air-tight door

Abstract

The utility model relates to the technical field of protective facilities, and discloses a double-leaf protective air-tight door with a steel structure and a movable threshold. Comprising a vertical rod and further comprises a transverse rod arranged on one side of the vertical rod, a first steel door is arranged below the transverse rod, a second steel door is arranged below the transverse rod, a shell is fixedly connected to one side of the first steel door, and a driving mechanism is arranged on one side of the first steel door; by arranging the fixing mechanism, the fixing performance of the first steel door and the second steel door can be conveniently improved when the first steel door and the second steel door are combined, when the movable threshold double-leaf protective airtight door is combined, the fixing performance is good, the door leaves can be tightly attached to the door frame, effective sealing is formed, the blocking capacity of the door to external threats can be remarkably improved, and the service life of the door is prolonged. Therefore, the internal environment and personnel safety are protected, and the door leaf with good fixity can be kept stable under the action of external force and is not prone to shaking or displacement.

Description

Technical Field

[0001] This utility model relates to the field of protective facilities technology, specifically a steel structure double-leaf protective airtight door with movable threshold. Background Technology

[0002] The steel structure double-leaf protective airtight door with movable threshold is an important piece of equipment in civil defense projects. It is made of steel beams and plates, has a double-leaf door structure, and the movable threshold can be installed in wartime. It has the function of blocking shock waves and isolating toxic agents. It is convenient for passage in peacetime and can be quickly converted to other functions in wartime.

[0003] Because the door leaf is made of steel, the door has excellent stability and can withstand significant impact, providing reliable security. Therefore, a steel structure double-leaf protective airtight door with a movable threshold is required. However, if incompatible components are used during the installation of a traditional steel structure double-leaf protective airtight door with a movable threshold, such as mixing the lock handle and hinge plate of a fixed threshold with those of a movable threshold, the door leaves may not fit tightly when closed, affecting stability. Poor stability may result in the door leaves not fitting tightly against the door frame when closed, leaving gaps and reducing the door's airtightness. This affects the door's ability to block external threats such as shock waves and toxic gases, significantly reducing the safety performance of the protective airtight door. Utility Model Content

[0004] The purpose of this utility model is to provide a steel structure double-leaf protective airtight door with a movable threshold to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel structure double-leaf protective airtight door with a movable threshold, including a support post, and further comprising:

[0006] A horizontal bar is set on one side of the upright, a first steel door is set below the horizontal bar, a second steel door is set below the horizontal bar, a housing is fixedly connected to one side of the first steel door, and a drive mechanism is set on one side of the first steel door;

[0007] A fixing mechanism is provided on one side of the first steel door to facilitate fixing the second steel door. The fixing mechanism includes a snap-fit ​​plate provided on one side of the second steel door. A connecting rod is fixedly connected to one side of the snap-fit ​​plate, and a first toothed plate is fixedly connected to one end of the connecting rod. A positioning block for snapping the snap-fit ​​plate is fixedly connected to one side of the second steel door.

[0008] Preferably, a connecting seat is fixedly connected to one side of the upright, an installation shaft is rotatably connected to the inner wall of the connecting seat, and a connecting block for connecting to the first steel door is rotatably connected to the outer side of the installation shaft.

[0009] Preferably, one side of the vertical rod is fixedly connected with a mounting plate, and an inner wall of the mounting plate is rotatably connected with a connecting shaft.

[0010] Preferably, an outer side of the connecting shaft is rotatably connected with a sleeve rod, and an inner wall of the sleeve rod is slidably connected with a sliding rod.

[0011] Preferably, an inner wall of the sliding rod is rotatably connected with a positioning shaft, and an outer side of the positioning shaft is rotatably connected with a positioning plate for connecting the second steel door.

[0012] Preferably, the driving mechanism comprises a rotating disc rotatable on an inner wall of the shell, one side of the rotating disc is fixedly connected with a threaded rod, an outer side of the threaded rod is threadedly connected with a moving disc, and an outer side of the moving disc is fixedly connected with a moving plate.

[0013] Preferably, one side of the first steel door is fixedly connected with a fixed frame, one side of the moving plate is fixedly connected with a mounting block, one side of the mounting block is fixedly connected with a second toothed plate, one side of the second toothed plate is slidably connected with an inner wall of the fixed frame, one side of the second toothed plate is engaged with a gear, and an outer side of the gear is engaged with one side of the first toothed plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a fixed mechanism can improve the fixed nature of the first steel door and the second steel door when merging, and when the living door sill double-leaf protective airtight door merges, the fixed nature is good, which means that the door leaf can closely adhere to the door frame, and effective sealing is formed, which can significantly improve the blocking ability of the door to external threats, thereby protecting the internal environment and personnel safety, and the door leaf with good fixed nature can keep stable when being subjected to external force, and is not easy to shake or displace. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A preferred embodiment structure diagram of the steel structure living door sill double-leaf protective airtight door is provided.

[0017] Figure 2 A vertical rod and a second steel door structure diagram are provided.

[0018] Figure 3 A Figure 1 An enlarged schematic view of the A shown.

[0019] Figure 4 A Figure 2 A structure schematic view of the B shown.

[0020] In the figure: 1, vertical rod; 2, cross rod; 3, first steel door; 4, second steel door; 5, fixing mechanism; 51, clamping plate; 52, connecting rod; 53, first tooth plate; 54, positioning block; 6, connecting seat; 7, mounting shaft; 8, connecting block; 9, mounting plate; 10, connecting shaft; 11, sleeve rod; 12, sliding rod; 13, positioning shaft; 14, positioning plate; 15, housing; 16, driving mechanism; 161, rotating disc; 162, threaded rod; 163, moving disc; 164, moving plate; 17, fixed frame; 18, mounting block; 19, second tooth plate; 20, gear. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly 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 scope of protection of the utility model.

[0022] Please refer to Figures 1-4 As shown in the figure, a steel structure threshold double-leaf protective sealed door, including vertical rod 1, through the setting vertical rod 1, can be convenient for the fixed cross rod 2, vertical rod 1 one side is provided with cross rod 2, through the setting cross rod 2, can be convenient for the first steel door 3 is positioned, the lower portion of cross rod 2 is provided with first steel door 3, through the setting first steel door 3, can be convenient for the fire passageway is protected, the lower portion of cross rod 2 is provided with second steel door 4, through the setting second steel door 4, can be convenient for the fire passageway is protected, first steel door 3 one side is fixedly connected with housing 15, through the setting housing 15, can be convenient for the threaded rod 162 is rotated, first steel door 3 one side is provided with driving mechanism 16;Setting in first steel door 3 one side is convenient for the fixed second steel door 4's fixing mechanism 5, fixing mechanism 5 includes setting in second steel door 4 one side's clamping plate 51, through the setting clamping plate 51, can be convenient for the positioning block 54 is clamped, clamping plate 51 one side is fixedly connected with connecting rod 52, through the setting connecting rod 52, can be convenient for the clamping plate 51 is connected, connecting rod 52 one end is fixedly connected with first tooth plate 53, through the setting first tooth plate 53, can be convenient for the connecting rod 52 is connected, second steel door 4 one side is fixedly connected with the positioning block 54 for clamping plate 51 is clamped.

[0023] Vertical rod 1 one side is fixedly connected with connecting seat 6, through the setting connecting seat 6, can be convenient for the vertical rod 1 is connected, the inner wall of connecting seat 6 is rotatably connected with mounting shaft 7, through the setting mounting shaft 7, can be convenient for the connecting block 8 is rotated, the outer side of mounting shaft 7 is rotatably connected with the connecting block 8 for first steel door 3 is connected.

[0024] One side of the rod 1 is fixedly connected with the mounting plate 9, through the setting mounting plate 9, can be convenient for the rotation of connecting shaft 10, the inner wall of mounting plate 9 is rotatably connected with connecting shaft 10, through the setting connecting shaft 10, can be convenient for the rotation of sleeve rod 11;Connecting shaft 10 is rotatably connected with the outer side of sleeve rod 11, through the setting sleeve rod 11, can be convenient for the sliding of slide rod 12, the inner wall of sleeve rod 11 is slidably connected with slide rod 12, through the setting slide rod 12, can be convenient for the rotation of positioning shaft 13;The inner wall of slide rod 12 is rotatably connected with positioning shaft 13, through the setting positioning shaft 13, can be convenient for the rotation of positioning plate 14, the outer side of positioning shaft 13 is rotatably connected with the positioning plate 14 for connecting the second steel door 4.

[0025] The driving mechanism 16 includes a rotating disc 161 rotating in the inner wall of the shell 15, through the setting rotating disc 161, can be convenient for the rotation of threaded rod 162, one side of rotating disc 161 is fixedly connected with threaded rod 162, through the setting threaded rod 162, can be convenient for the movement of moving disc 163, the outer side of threaded rod 162 is screw connected with moving disc 163, through the setting moving disc 163, can be convenient for the connection of moving plate 164, the outer side of moving disc 163 is fixedly connected with moving plate 164, through the setting moving plate 164, can be convenient for the connection of mounting block 18.

[0026] One side of the first steel door 3 is fixedly connected with the fixed frame 17, through the setting fixed frame 17, can be convenient for the sliding of first tooth plate 53 and second tooth plate 19, one side of moving plate 164 is fixedly connected with mounting block 18, through the setting mounting block 18, can be convenient for the connection of second tooth plate 19, one side of mounting block 18 is fixedly connected with second tooth plate 19, through the setting second tooth plate 19, can be convenient for the engagement of gear 20, and one side of second tooth plate 19 is slidably connected with the inner wall of fixed frame 17, one side of second tooth plate 19 is engaged with gear 20, through the setting gear 20, can be convenient for the engagement of first tooth plate 53, and the outer side of gear 20 is engaged with one side of first tooth plate 53.

[0027] Working principle: when the first steel door 3 and the second steel door 4 need to be fixed, the first steel door 3 and the second steel door 4 are combined together with the mounting shaft 7 and the connecting shaft 10 as the rotating point, at this time the staff manually rotates the rotating disc 161, the rotating disc 161 rotates to drive the threaded rod 162 to rotate, the threaded rod 162 rotates to drive the moving disc 163 to move, the moving disc 163 moves to drive the moving plate 164 to move, the moving plate 164 moves to drive the mounting block 18 to move, the mounting block 18 moves to drive the second toothed plate 19 to move, when the second toothed plate 19 moves, the gear 20 is driven to rotate through the tooth engagement of the second toothed plate 19, the gear 20 rotates to drive the first toothed plate 53 to move, the first toothed plate 53 moves to drive the connecting rod 52 to move, the connecting rod 52 moves to drive the clamping plate 51 to move, after the clamping plate 51 moves, the clamping plate 51 is inserted into the inner wall of the positioning block 54 to form a clamping state, so that the second steel door 4 is fixed.

[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel construction threshold double-leaf protective hermetic door comprising uprights (1), characterised in that, Also include: The horizontal rod (2) is arranged on one side of the vertical rod (1), the first steel door (3) is arranged below the horizontal rod (2), the second steel door (4) is arranged below the horizontal rod (2), one side of the first steel door (3) is fixedly connected with the shell (15), and the first steel door (3) is arranged on one side of the driving mechanism (16); The fixing mechanism (5) is arranged on one side of the first steel door (3) to facilitate fixing of the second steel door (4), the fixing mechanism (5) comprises a clamping plate (51) arranged on one side of the second steel door (4), one side of the clamping plate (51) is fixedly connected with a connecting rod (52), one end of the connecting rod (52) is fixedly connected with a first toothed plate (53), and one side of the second steel door (4) is fixedly connected with a positioning block (54) for clamping the clamping plate (51).

2. A steel construction threshold double-leaf protective sealed door according to claim 1, characterized in that: One side of the vertical rod (1) is fixedly connected with a connecting seat (6), the inner wall of the connecting seat (6) is rotatably connected with a mounting shaft (7), and the outer side of the mounting shaft (7) is rotatably connected with a connecting block (8) for connecting the first steel door (3).

3. A steel security storm sill double leaf security door according to claim 1 wherein: One side of the vertical rod (1) is fixedly connected with a mounting plate (9), and the inner wall of the mounting plate (9) is rotatably connected with a connecting shaft (10).

4. A steel security storm door according to claim 3, wherein: The outer side of the connecting shaft (10) is rotatably connected with a sleeve rod (11), and the inner wall of the sleeve rod (11) is slidably connected with a sliding rod (12).

5. A steel security storm sill double leaf security door according to claim 4 wherein: The inner wall of the sliding rod (12) is rotatably connected with a positioning shaft (13), and the outer side of the positioning shaft (13) is rotatably connected with a positioning plate (14) for connecting the second steel door (4).

6. A steel security storm sill double leaf security door according to claim 1 wherein: The driving mechanism (16) comprises a rotating disc (161) rotatably arranged on the inner wall of the shell (15), one side of the rotating disc (161) is fixedly connected with a threaded rod (162), the outer side of the threaded rod (162) is threadedly connected with a moving disc (163), and the outer side of the moving disc (163) is fixedly connected with a moving plate (164).

7. A steel security storm sill double leaf security door according to claim 6 wherein: One side of the first steel door (3) is fixedly connected with a fixed frame (17), one side of the moving plate (164) is fixedly connected with a mounting block (18), one side of the mounting block (18) is fixedly connected with a second toothed plate (19), one side of the second toothed plate (19) is slidably connected with the inner wall of the fixed frame (17), one side of the second toothed plate (19) is engaged with a gear (20), and the outer side of the gear (20) is engaged with one side of the first toothed plate (53).

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