Escape airtight door

Abstract

The utility model discloses an escape airtight door which comprises an outer airtight door assembly, an inner airtight door assembly and a connecting part, the outer airtight door assembly comprises an outer frame, a manual air escape valve and a regulation and control assembly, the manual air escape valve is arranged on the outer frame, the regulation and control assembly is arranged on the outer frame, and the manual air escape valve is arranged on the outer frame. The connecting part is arranged on the outer frame, the sealed door inner assembly is rotationally arranged on the outer frame through the connecting part, the sealed door inner assembly comprises a door leaf, a downward pressing lock, a push rod and a window, the door leaf is arranged on the connecting part, the downward pressing lock is arranged on the door leaf, and the push rod is arranged on the window. The push rod is arranged on the lower pressing lock, and the window is arranged on the door leaf. Therefore, the sealing air bag and the sealing rubber strip are combined to achieve a double-sealing mode, the air bag is inflated and deflated to enhance the sealing performance between the door leaf and the door frame, and therefore the escape requirement of the airtight door is met.

Description

Technical Field

[0001] The utility model relates to the technical field of airtight doors, in particular to an escape airtight door. Background Art

[0002] The escape airtight door in a purification clean door is a specially designed door, which is designed to meet the requirements for air cleanliness in a clean environment (such as laboratories, hospital operating rooms, pharmaceutical production workshops, etc.), and also has the function of allowing personnel to escape in case of emergency. Its core working principle is to build a double-precision sealing system - the tight bite between the door frame and the door leaf, and the seamless connection between the door frame and the ground, jointly creating a solid sealing barrier.

[0003] However, the pursuit of technological progress never ends. In the face of the stringent requirements for sealing performance in extreme environments, the design of traditional single-layer sealing rubber strips gradually reveals its limitations. During frequent opening and closing processes, although the sealing rubber strips can withstand the strong extrusion of the door leaf for a short time, in the long run, it is easy to cause material deformation, reduced elasticity, accelerated aging and decreased weather resistance, thus affecting the overall sealing effect. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems in the related technologies to a certain extent.

[0005] For this purpose, the purpose of the utility model is to propose an escape airtight door, which adopts a double-sealing method by combining a sealing airbag and a sealing rubber strip, and strengthens the sealing performance between the door leaf and the door frame by inflating and deflating the airbag, so as to meet the escape requirements of the composite airtight door.

[0006] To achieve the above object, the utility model proposes an escape airtight door, which includes an outer component of the airtight door, an inner component of the airtight door and a connecting component. Among them, the outer component of the airtight door includes an outer frame, a manual air release valve and a regulating component, wherein the manual air release valve is arranged on the outer frame; the regulating component is arranged on the outer frame; the connecting component is arranged on the outer frame; the inner component of the airtight door is rotatably arranged on the outer frame through the connecting component; the inner component of the airtight door includes a door leaf, a downward pressure lock, a push rod and a viewing window, wherein the door leaf is arranged on the connecting component; the downward pressure lock is arranged on the door leaf; the push rod is arranged on the downward pressure lock; the viewing window is arranged on the door leaf.

[0007] An escape airtight door of the utility model adopts a double-sealing method by combining a sealing airbag and a sealing rubber strip, and strengthens the sealing performance between the door leaf and the door frame by inflating and deflating the airbag, so as to meet the escape requirements of the composite airtight door.

[0008] In addition, an emergency escape airtight door proposed according to the above application may further have the following additional technical features:

[0009] Specifically, the control component includes an outer housing, a sealing airbag, a sealing rubber strip, a roller, and a proximity switch. Among them, the outer housing is arranged inside the outer frame; the sealing airbag is arranged inside the outer housing and is embedded inside the outer frame; the sealing rubber strip is arranged inside the outer housing and is embedded inside the outer frame; the roller is arranged inside the outer housing; the proximity switch is arranged inside the outer housing.

[0010] Specifically, the downward pressure lock includes a lock housing and a lock tongue. Among them, the lock housing is arranged on the door leaf; the lock tongue is rotatably arranged inside the lock housing and is in contact connection with the roller.

[0011] Specifically, the sealing airbag and the sealing rubber strip are distributed in a stepped manner, and the sealing airbag is arranged outside the sealing rubber strip.

[0012] Specifically, the sealing rubber strip is a semi-circular rubber strip, and rounded corners are respectively provided at the edges of the door leaf and the inner included angle of the outer frame.

[0013] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the drawings, in which:

[0015] Figure 1 is a schematic structural diagram of an emergency escape airtight door according to an embodiment of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the outer components and inner components of an emergency escape airtight door according to an embodiment of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the control component and the downward pressure lock of an emergency escape airtight door according to an embodiment of the present utility model.

[0018] As shown in the figure: 10, outer components of the airtight door; 101, outer frame; 102, manual air release valve; 103, control component; 1031, outer housing; 1032, sealing airbag; 1033, sealing rubber strip; 1034, roller; 1035, proximity switch; 20, inner components of the airtight door; 201, door leaf; 202, downward pressure lock; 2021, lock housing; 2022, lock tongue; 203, push rod; 204, viewing window; 30, connecting component. Detailed implementation manners

[0019] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model. On the contrary, the embodiments of the present utility model include all changes, modifications and equivalents falling within the spirit and connotation of the appended claims.

[0020] Next, a life - escape airtight door according to an embodiment of the present utility model will be described with reference to the drawings.

[0021] As Figures 1-3 shown, a life - escape airtight door according to an embodiment of the present utility model includes an outer component 10 of the airtight door, an inner component 20 of the airtight door, and a connecting component 30.

[0022] Among them, the outer component 10 of the airtight door includes an outer frame 101, a manual air - release valve 102, and a regulating component 103.

[0023] Among them, the manual air - release valve 102 is arranged on the outer frame 101, and the regulating component 103 is arranged on the outer frame 101.

[0024] It should be noted that the outer frame 101 is an integral door frame. The manual air - release valve 102 and the regulating component 103 are connected to each other, so that the manual air - release valve 102 releases air manually, and the regulating component 103 releases air automatically.

[0025] Furthermore, the regulating component 103 can be linked with a fire - fighting system. The fire - fighting system is a prior art, so it will not be specifically described here. When a fire breaks out, the regulating component 103 realizes automatic air release.

[0026] The connecting component 30 is arranged on the outer frame 101. The inner component 20 of the airtight door is rotatably arranged on the outer frame 101 through the connecting component 30. The inner component 20 of the airtight door includes a door leaf 201, a downward - pressing lock 202, a push rod 203, and a viewing window 204.

[0027] Among them, the door leaf 201 is arranged on the connecting component 30, the downward - pressing lock 202 is arranged on the door leaf 201, the push rod 203 is arranged on the downward - pressing lock 202, and the viewing window 204 is arranged on the door leaf 201.

[0028] It should be noted that the connecting component 30 is a hinge. The hinge is welded on the outer frame 101 and is connected to the inner component 20 of the airtight door through a shaft. The push rod 203 pushes the door leaf 201 to rotate, and the downward - pressing lock 202 is engaged and fixed with the regulating component 103, so as to tightly fasten and lock the door leaf 201 and the outer frame 101.

[0029] Specifically, the steps to enhance the sealing performance of the emergency escape airtight door are as follows: First, an arc-shaped rounded corner is provided on the inner wall of the outer frame 101, and rounded corners are provided at the edges of the outer wall of the door leaf 201. The rounded corners are welded at the edges of the door leaf 201. The door leaf 201 fits tightly against the inner wall of the outer frame 101 without gaps, and the downward pressure lock 202 and the control component 103 are clamped together, effectively enhancing the sealing performance.

[0030] In an embodiment of the present invention, as Figure 3 shown, the control component 103 includes an outer housing 1031, a sealing airbag 1032, a sealing rubber strip 1033, a roller 1034, and a proximity switch 1035.

[0031] Among them, the outer housing 1031 is arranged inside the outer frame 101, the sealing airbag 1032 is arranged inside the outer housing 1031, and the sealing airbag 1032 is embedded in the outer frame 101. The sealing rubber strip 1033 is arranged inside the outer housing 1031, and the sealing rubber strip 1033 is embedded in the outer frame 101. The roller 1034 is arranged inside the outer housing 1031, and the proximity switch 1035 is arranged inside the outer housing 1031.

[0032] It should be noted that the sealing airbag 1032 is arranged inside the outer frame 101, and the sealing airbag 1032 can be deflated through the manual air release valve 102 on the outer frame 101, or the sealing airbag 1032 can be automatically deflated through the proximity switch 1035.

[0033] In an embodiment of the present invention, as Figure 3 shown, the downward pressure lock 202 includes a lock housing 2021 and a lock tongue 2022.

[0034] Among them, the lock housing 2021 is arranged on the door leaf 201, the lock tongue 2022 is rotatably arranged inside the lock housing 2021, and the lock tongue 2022 is in contact connection with the roller 1034.

[0035] It should be noted that the lock housing 2021 is installed on the door leaf 201, the lock tongue 2022 is rotatably arranged in the lock housing 2021, and at the same time, the lock tongue 2022 is in contact with the roller 1034, effectively ensuring that when the door leaf 201 is closed, the door leaf 201 has good stability and will not be easily opened.

[0036] In an embodiment of the present invention, as Figure 3 shown, the sealing airbag 1032 and the sealing rubber strip 1033 are arranged in a stepped manner, and the sealing airbag 1032 is arranged outside the sealing rubber strip 1033.

[0037] It should be noted that after the door leaf 201 is closed, the sealing airbag 1032 is restarted. After the sealing airbag 1032 expands, it tightly fills the gap between the door leaf 201 and the outer frame 101.

[0038] In an embodiment of the present utility model, as Figure 3 shown, the sealing strip 1033 is a semi-circular strip, and chamfered corners are respectively provided at the corners of the door leaf 201 and the inner included angle of the outer frame 101.

[0039] It should be noted that if the sealing strip 1033 is a semi-circular strip, when the door leaf 201 is closed, it has good sealing performance and will not squeeze the sealing strip 1033.

[0040] The usage steps of the emergency escape airtight door are as follows: a sealing airbag 1032 is provided in the inner wall of the outer frame 101, and the sealing airbag 1032 and the sealing strip 1033 are combined for double sealing. When the door leaf 201 is closed on the inner wall of the outer frame 101, the sealing airbag 1032 is inflated. The sealing airbag 1032 is filled in the gap between the door leaf 201 and the outer frame 101, and the lock tongue 2022 abuts against the surface of the roller 1034 to ensure that the door leaf 201 is locked and fixed in the outer frame 101.

[0041] In case of a fire, the proximity switch 1035 is controlled by linkage with the fire protection system, and the proximity switch 1035 deflates the sealing airbag 1032, or the sealing airbag 1032 is manually deflated through the manual deflation valve 102. When the lock tongue 2022 in the lower pressure lock 202 abuts against the roller 1034, the sealing airbag 1032 is automatically inflated and deflated.

[0042] In summary, an emergency escape airtight door according to an embodiment of the present utility model adopts a double-sealing method by combining a sealing airbag and a sealing strip, and strengthens the sealing performance between the door leaf and the door frame by inflating and deflating the airbag, so as to meet the escape requirements of the airtight door.

[0043] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. An airtight escape door, characterized in that: It includes an outer component (10) of the secret door, an inner component (20) of the secret door, and a connecting component (30). Among them, the outer component (10) of the secret door includes an outer frame (101), a manual air release valve (102), and a regulation component (103). Among them, the manual air release valve (102) is arranged on the outer frame (101); the regulation component (103) is arranged on the outer frame (101); the connecting component (30) is arranged on the outer frame (101); the inner component (20) of the secret door is rotatably arranged on the outer frame (101) through the connecting component (30); the inner component (20) of the secret door includes a door leaf (201), a downward pressure lock (202), a push rod (203), and a viewing window (204). Among them, the door leaf (201) is arranged on the connecting component (30); the downward pressure lock (202) is arranged on the door leaf (201); the push rod (203) is arranged on the downward pressure lock (202); the viewing window (204) is arranged on the door leaf (201).

2. The airtight escape door according to claim 1, characterized in that: The regulation component (103) includes an outer cover housing (1031), a sealing airbag (1032), a sealing rubber strip (1033), a roller (1034), and a proximity switch (1035). Among them, the outer cover housing (1031) is arranged inside the outer frame (101); the sealing airbag (1032) is arranged inside the outer cover housing (1031), and the sealing airbag (1032) is embedded inside the outer frame (101); the sealing rubber strip (1033) is arranged inside the outer cover housing (1031), and the sealing rubber strip (1033) is embedded inside the outer frame (101); the roller (1034) is arranged inside the outer cover housing (1031); the proximity switch (1035) is arranged inside the outer cover housing (1031).

3. The emergency escape airtight door according to claim 2, characterized in that, The downward pressure lock (202) includes a lock housing (2021) and a lock tongue (2022). Among them, the lock housing (2021) is arranged on the door leaf (201); the lock tongue (2022) is rotatably arranged inside the lock housing (2021), and the lock tongue (2022) is in contact connection with the roller (1034).

4. The airtight escape door according to claim 2, characterized in that: The sealing airbag (1032) and the sealing rubber strip (1033) are in a stepped distribution, and the sealing airbag (1032) is arranged outside the sealing rubber strip (1033).

5. The emergency escape airtight door according to claim 4, characterized in that, The sealing rubber strip (1033) is a semi-circular rubber strip, and rounded corners are respectively provided at the edges of the door leaf (201) and the inner included angle of the outer frame (101).

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