Anti-explosion double door

Abstract

The utility model relates to the technical field of ship equipment, in particular to an anti-explosion double door which comprises a door frame, a first door leaf, a second door leaf and a top plate, one side edge of the first door leaf, one side edge of the second door leaf and the upper edge of the top plate are respectively connected with the door frame through hinges, and the first door leaf and the second door leaf are closed in a matched mode. The upper edge of the first door leaf and the upper edge of the second door leaf are both matched and sealed with the lower edge of the top plate; the first door leaf, the second door leaf, the top plate and the door frame are all made of fireproof materials, and fireproof rubber strips are arranged between the first door leaf, the second door leaf and the top plate and between the door frame and the top plate respectively. The two side edges of the top plate are detachably connected with the door frame through first locking pieces, the first door leaf and the second door leaf are locked through an escape lock, and the first door leaf and / or the second door leaf are / is detachably connected with the top plate through second locking pieces. The anti-explosion double door has a reliable fireproof partition function, the first door leaf, the second door leaf and the top plate can be selectively opened and closed, and various use requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of ship equipment, in particular to an explosion-proof double-opening door. Background Art

[0002] With the increasing demand for oil and natural gas energy in the global economic development, and the deep-sea and ocean-going energy exploitation, this objectively provides a good development space for FPSO (floating production storage and offloading) ships. In recent years, China has the strength to build and modify FPSO and has achieved good results, but some core products, such as H-class fire doors, are still imported from abroad, and we hope to independently develop and design them.

[0003] According to application requirements, in addition to the fire resistance performance reaching H level, H-class double doors must also have good explosion-proof performance, sound insulation performance and escape function, and have sufficient expansion space to facilitate the passage of pipelines and lines in special circumstances, etc., to meet the requirements for use in any complex area. Utility Model Content

[0004] Based on the above problems, the purpose of the utility model is to provide an explosion-proof double door with reliable fire prevention, sealed partition and expansibility.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An explosion-proof double-opening door comprises a door frame, a first door leaf, a second door leaf, and a top plate located above the first door leaf and the second door leaf, wherein:

[0007] One side edge of the first door leaf, one side edge of the second door leaf, and the upper edge of the top plate are respectively connected to the door frame through hinges, the first door leaf and the second door leaf cooperate to close, and the upper edge of the first door leaf and the upper edge of the second door leaf cooperate to seal with the lower edge of the top plate;

[0008] The first door leaf, the second door leaf, the top plate and the door frame are all made of fireproof materials, and fireproof rubber strips are respectively arranged between the first door leaf, the second door leaf and the top plate and between the first door leaf and the door frame;

[0009] The two side edges of the top plate are detachably connected to the door frame via a first locking member, the first door leaf and the second door leaf are locked via an escape lock, and the first door leaf and / or the second door leaf are detachably connected to the top plate via a second locking member.

[0010] Optionally, the first door leaf, the second door leaf, the top plate and the door frame are all formed by folding and welding stainless steel plates, and are filled internally with fireproof boards and ceramic wool.

[0011] Optionally, the lock body of the escape lock is installed on the first door leaf, and the second locking member is installed on the second door leaf.

[0012] Optionally, the escape lock is a push rod lock or a pressure plate lock.

[0013] Optionally, the first locking member is a fixing bolt, a convex plate is provided on the top plate, a threaded hole is provided on the door frame, and the fixing bolt passes through the convex plate and is fixed in cooperation with the threaded hole.

[0014] Optionally, the second locking member is a latch bolt.

[0015] Optionally, a single-sided locking handle is further provided on the inner side surface of the first door leaf or the second door leaf.

[0016] Optionally, visual windows are respectively provided on the first door leaf and the second door leaf.

[0017] Optionally, eye screws are provided on the top plate.

[0018] In summary, the beneficial effect of the utility model is that, compared with the prior art, the explosion-proof double door has a reliable fireproof partition function on the one hand, and on the other hand, the first door leaf, the second door leaf and the top plate can be selectively opened and closed, meeting a variety of usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0020] Figure 1 It is a schematic diagram of the structure of an explosion-proof double door provided by an embodiment of the utility model;

[0021] Figure 2 is a cross-sectional view of an explosion-proof double door provided by an embodiment of the utility model;

[0022] Figure 3 It is a vertical cross-sectional view of an explosion-proof double door provided by an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Door frame; 2. First door leaf; 3. Second door leaf; 4. Top plate; 5. Hinge; 6. Fireproof rubber strip; 7. First locking piece; 8. Escape lock; 9. Second locking piece; 10. Single-sided locking handle; 11. Visible window; 12. Eyebolt; 13. Raised plate. DETAILED DESCRIPTION

[0025] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. 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 those skilled in the art without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 3 As shown, this preferred embodiment provides an explosion-proof double door, which includes a door frame 1, a first door leaf 2, a second door leaf 3, and a top plate 4 located above the first door leaf 2 and the second door leaf 3.

[0027] The door frame 1 and the outer wall of the ship can be installed in a bolt-fixed manner or a welding-fixed manner.

[0028] Among them, one side edge of the first door leaf 2, one side edge of the second door leaf 3, and the upper edge of the top plate 4 are respectively connected to the door frame 1 through hinges 5, the first door leaf 2 and the second door leaf 3 are closed together, and the upper edges of the first door leaf 2 and the second door leaf 3 are sealed with the lower edge of the top plate 4 to ensure reliable sealing.

[0029] Among them, the first door leaf 2, the second door leaf 3, the top plate 4 and the door frame 1 are all made of fireproof materials, and fireproof strips 6 are respectively arranged between the first door leaf 2, the second door leaf 3, the top plate 4 and the door frame 1 to ensure sufficient fireproof and explosion-proof performance. Furthermore, fireproof strips 6 are arranged at all outer gaps of the explosion-proof double door.

[0030] Among them, the two side edges of the top plate 4 are detachably connected to the door frame 1 through the first locking member 7, the first door leaf 2 and the second door leaf 3 are locked by the escape lock 8, and the first door leaf 2 and / or the second door leaf 3 are detachably connected to the top plate 4 through the second locking member 9, so that the passage space can be expanded as needed to ensure smooth passage.

[0031] As an optional solution, the first door leaf 2, the second door leaf 3, the top plate 4 and the door frame 1 are all made of stainless steel plates folded and welded, and are filled with fireproof panels and ceramic wool. This makes the explosion-proof double door as a whole reach H-level fireproof performance, and has good sound insulation and explosion-proof performance.

[0032] As an optional solution, the lock body of the escape lock 8 is installed on the first door leaf 2, and the second locking member 9 is installed on the second door leaf 3. Generally, the top plate 4 and the second door leaf 3 are in a normally closed state, and the first door leaf 2 is in an unobstructed state, meeting basic passage needs.

[0033] As an optional solution, the escape lock 8 here is preferably a push rod lock or a pressure plate lock. In an emergency, the first door leaf 2 can be opened from the inside to facilitate escape.

[0034] As an optional solution, the first locking member 7 is a fixing bolt, a convex plate 13 is provided on the top plate 4, a threaded hole is provided on the door frame 1, and the fixing bolt passes through the convex plate 13 and is fixed in cooperation with the threaded hole, so that the top plate 4 can be fixed and flipped up to open.

[0035] As an optional solution, the second locking member 9 is a latch bolt. Furthermore, a latch bolt is also provided between the second locking member 9 and the floor to realize the opening and closing of the second door leaf 3.

[0036] As an optional solution, a single-sided locking handle 10 is further provided on the inner side surface of the first door leaf 2 or the second door leaf 3 to realize the internal locking function of the explosion-proof double door.

[0037] As an optional solution, the first door leaf 2 and the second door leaf 3 are respectively provided with visual windows 11 to facilitate observation of the inside and outside conditions.

[0038] As an optional solution, a lifting eye screw 12 is provided on the top plate 4 to facilitate the lifting of the top plate 4 and ensure that the top plate 4 is in an open state.

[0039] It should be noted that the above-mentioned optional implementation modes can be combined in any combination, and the combined implementation modes all belong to the protection scope of the present utility model.

[0040] It can be seen that the explosion-proof double door has a reliable fireproof partition function on the one hand, and on the other hand, the first door leaf 2, the second door leaf 3 and the top plate 4 can be opened and closed selectively, and can be used in complex areas, meeting a variety of ship installation and passage requirements, and has great market promotion and application value.

[0041] The above embodiments are only to illustrate the basic principles and characteristics of the utility model. The utility model is not limited by the above embodiments. Without departing from the spirit and scope of the utility model, the utility model has various changes and modifications, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An explosion-proof double door, characterized in that: The invention comprises a door frame (1), a first door leaf (2), a second door leaf (3), and a top plate (4) located above the first door leaf (2) and the second door leaf (3), wherein: One side edge of the first door leaf (2), one side edge of the second door leaf (3), and the upper edge of the top plate (4) are respectively connected to the door frame (1) via hinges (5); the first door leaf (2) and the second door leaf (3) cooperate to close, and the upper edges of the first door leaf (2) and the second door leaf (3) cooperate to seal with the lower edge of the top plate (4); The first door leaf (2), the second door leaf (3), the top plate (4) and the door frame (1) are all made of fireproof materials, and fireproof rubber strips (6) are respectively arranged between the first door leaf (2), the second door leaf (3) and the top plate (4) and between the first door leaf (2), the second door leaf (3) and the top plate (4) and the door frame (1); The two side edges of the top plate (4) are detachably connected to the door frame (1) via a first locking member (7), the first door leaf (2) and the second door leaf (3) are locked via an escape lock (8), and the first door leaf (2) and / or the second door leaf (3) are detachably connected to the top plate (4) via a second locking member (9).

2. The explosion-proof double door according to claim 1, characterized in that: The first door leaf (2), the second door leaf (3), the top plate (4) and the door frame (1) are all made of stainless steel plates that are folded and welded, and are filled internally with fireproof boards and ceramic wool.

3. The explosion-proof double door according to claim 1, characterized in that: The lock body of the escape lock (8) is installed on the first door leaf (2), and the second locking member (9) is installed on the second door leaf (3).

4. The explosion-proof double door according to claim 1, characterized in that: The escape lock (8) is a push rod lock or a pressure plate lock.

5. The explosion-proof double door according to claim 1, characterized in that: The first locking member (7) is a fixing bolt, the top plate (4) is provided with a convex plate (13), the door frame (1) is provided with a threaded hole, and the fixing bolt passes through the convex plate (13) and is fixed in cooperation with the threaded hole.

6. The explosion-proof double door according to claim 1, characterized in that: The second locking member (9) is a latch bolt.

7. The explosion-proof double door according to claim 1, characterized in that: A single-sided locking handle (10) is also provided on the inner side surface of the first door leaf (2) or the second door leaf (3).

8. The explosion-proof double door according to claim 1, characterized in that: The first door leaf (2) and the second door leaf (3) are respectively provided with a visual window (11).

9. The explosion-proof double door according to claim 1, characterized in that: The top plate (4) is provided with a lifting eye screw (12).

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