Embedded type large-bend hinged door

Abstract

The utility model relates to the technical field of ship cabin doors, in particular to an embedded type large-bend hinged door which comprises a door frame and a door leaf, the door frame is fixed with the peripheral wall of a ship body, the embedded type large-bend hinged door further comprises a hinge piece, the hinge piece comprises a C-shaped connecting framework, a first end of the connecting framework is rotatably connected with a first hinge seat, and a second end of the connecting framework is rotatably connected with a second hinge seat. The first hinge seat is fixed to the indoor side surface of the door leaf, a corner part bent relative to the first end is arranged at the second end of the connecting framework, the end portion of the second end is rotationally connected with a second hinge seat, the second hinge seat is embedded into the indoor side of the door frame, and the corner part abuts against the inner edge opening of the door frame for stopping when the door leaf is opened to a set angle. According to the embedded type large-bend hinged door, internal installation of the hinge piece is achieved, smooth opening and closing of the door leaf are guaranteed, meanwhile, the service life of the hinge piece is longer, the hinge piece has the function of limiting the opening angle of the door leaf, in addition, the door leaf can be better embedded into the peripheral wall of a ship body when closed, and the overall appearance is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of ship cabin doors, in particular to an embedded large-bend hinged door. Background Art

[0002] The cabin doors of civil ships and military vessels all have certain pressure-resistant watertightness, airtightness, and fireproof requirements. Most of the current cabin doors are installed with hinges, that is, one side of the door leaf is assembled with the door frame through hinges. According to the door leaf opening method and sealing requirements, the hinge is generally installed on the side surface of the door leaf and the door frame. The external form causes the hinge to be inevitably exposed to the outside, which will affect the overall appearance on the one hand, and on the other hand, the hinge is easily eroded by wind and rain, affecting the service life and the sealing effect of the door body. In addition, general hinges do not have a limit function and cannot control the opening angle of the door leaf, resulting in the need to install additional limit locking parts on the cabin door, which increases the complexity of the cabin door structure. Utility Model Content

[0003] Based on the above problems, the purpose of the utility model is to provide a buried large-bend hinged door, change the inherent hinge installation form, and optimize the structure of the door.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A recessed large-bend hinged door comprises a door frame and a door leaf, wherein the door frame is fixed to the outer wall of a ship hull, wherein the recessed large-bend hinged door further comprises a hinge member, wherein the hinge member comprises a C-shaped connecting frame, wherein the first end of the connecting frame is rotatably connected to a first hinge seat, the first hinge seat is fixed to the indoor inner surface of the door leaf, the second end of the connecting frame is provided with a bent corner portion bent relative to the first end, and the second end portion is rotatably connected to a second hinge seat, the second hinge seat is recessed in the indoor inner side of the door frame, and the bent corner portion abuts against an inner edge of the door frame to stop when the door leaf is opened to a set angle.

[0006] Optionally, a raised plate is provided on the outdoor side surface of the door frame to form an inner cavity for accommodating the second hinge seat.

[0007] Optionally, the outer surface of the raised plate, the outdoor outer surface of the door leaf and the surface of the outer peripheral wall of the hull are all flush.

[0008] Optionally, the door leaf includes a support plate located on the outdoor surface and an inner sealing plate located on the indoor surface, a fireproof plate is arranged on the inner side of the inner sealing plate, and fireproof cotton is filled between the fireproof plate and the support plate.

[0009] Optionally, a sealing strip that cooperates with the outer edge of the door frame to seal is provided on the door leaf, and a fireproof strip is provided on the inner surface of the sealing strip and in the gap between the door leaf and the door frame.

[0010] Optionally, a plurality of locking parts are provided on the edge area of ​​the indoor side surface of the door leaf, a lock buckle is provided on the door frame corresponding to each locking part, and a rotating hand wheel is provided on the central area of ​​the indoor side surface of the door leaf. The rotating hand wheel is linked with each locking part through a transmission assembly, thereby controlling each locking part and the corresponding lock buckle to lock or unlock.

[0011] In summary, the beneficial effect of the utility model is that, compared with the prior art, the embedded large-curve hinge door realizes the internal installation of the hinge through the special structure of the hinge parts and their installation method, which ensures the smooth opening and closing of the door leaves. At the same time, the service life of the hinge parts is longer, and the hinge parts have the function of limiting the opening angle of the door leaves, without the need for additional limit parts. In addition, the door leaves can be better embedded in the outer wall of the hull when closed, thereby optimizing the overall appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 It is a front view of the embedded large-bend hinged door provided by the embodiment of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a hinge member in an embedded large-bend hinge door provided by an embodiment of the utility model;

[0015] Figure 3 It is a vertical cross-sectional view of the embedded large-bend hinged door provided by the embodiment of the utility model;

[0016] Figure 4 is a cross-sectional view of a buried large-bend hinged door provided by an embodiment of the utility model;

[0017] Figure 5 yes Figure 4 Enlarged view of point A in the middle;

[0018] Figure 6 It is a schematic diagram of the opening and closing of the embedded large-bend hinged door provided in the embodiment of the utility model.

[0019] In the figure:

[0020] 1. Door frame; 11. Raised plate; 12. Inner cavity;

[0021] 2. Door leaf; 21. Support plate; 22. Inner sealing plate; 23. Fireproof board; 24. Fireproof cotton; 25. Sealing strip; 26. Fireproof strip;

[0022] 3. hinge member; 31. connecting frame; 32. first hinge seat; 33. bent corner portion; 34. second hinge seat;

[0023] 4. Locking parts;

[0024] 5. Turn the hand wheel;

[0025] 6. Transmission components. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figures 1 to 6 As shown, this preferred embodiment provides an embedded large-bend hinged door, which includes a door frame 1, a door leaf 2 and a hinge 3, and the door frame 1 is fixed to the outer wall of the hull.

[0028] Among them, the hinge component 3 includes a C-shaped connecting frame 31, the first end of the connecting frame 31 is rotatably connected to the first hinge seat 32, the first hinge seat 32 is fixed to the indoor inner surface of the door leaf 2, the second end of the connecting frame 31 is provided with a bent corner portion 33 bent relative to the first end of the connecting frame 31, and the second end of the connecting frame 31 is rotatably connected to the second hinge seat 34, the second hinge seat 34 is embedded in the indoor inner side of the door frame 1, and the bent corner portion 33 abuts against the inner edge of the door frame 1 when the door leaf 2 is opened to a set angle.

[0029] Therefore, the embedded large-curve hinge door realizes the internal installation of the hinge through the special structure of the hinge part 3 and its installation method, which ensures the smooth opening and closing of the door leaf 2. At the same time, the service life of the hinge part 3 is longer, and the hinge part 3 has the function of limiting the opening angle of the door leaf 2, without the need for additional limit parts. In addition, the door leaf 2 can be better embedded in the outer wall of the hull when closed, thereby optimizing the overall appearance.

[0030] As an optional solution, a raised plate 11 is provided on the outdoor side surface of the door frame 1 to form an inner cavity 12 for accommodating the second hinge seat 34. In case that the thickness of the door frame 1 is small, the presence of the raised plate 11 can provide sufficient installation space and reduce the space occupied by the hinge member 3 in the compartment.

[0031] Furthermore, the outer surface of the raised plate 11 and the outdoor side surface of the door leaf 2 are flush with the surface of the outer peripheral wall of the hull, thereby improving the overall appearance and achieving the effect of embedding and hiding the hatch.

[0032] As an optional solution, the door leaf 2 includes a support plate 21 located on the outdoor surface and an inner sealing plate 22 located on the indoor surface, a fireproof plate 23 is provided inside the inner sealing plate 22, and fireproof cotton 24 is filled between the fireproof plate 23 and the support plate 21. The fireproof cotton 24 here is preferably ceramic cotton, so as to ensure that the door leaf 2 has sufficient fireproof performance, and the material of the door frame 1 is also the same.

[0033] Furthermore, a sealing strip 25 is provided on the door leaf 2 to seal the outer edge of the door frame 1, and a fireproof strip 26 is provided on the inner surface of the sealing strip 25 and in the gap between the door leaf 2 and the door frame 1, thereby ensuring the pressure-resistant watertight, airtight and fireproof partition performance of the cabin door.

[0034] As an optional solution, a plurality of locking members 4 are provided at the edge area of ​​the indoor side surface of the door leaf 2, a lock buckle is provided on the door frame 1 corresponding to each locking member 4, and a rotating hand wheel 5 is provided at the central area of ​​the indoor side surface of the door leaf 2. The rotating hand wheel 5 is linked with each locking member 4 through a transmission assembly 6, thereby controlling the locking or unlocking of each locking member 4 and the corresponding lock buckle. The transmission assembly 6 is specifically formed by connecting a plurality of connecting rods, one of which is hinged to the rotating hand wheel 5. As the rotating hand wheel 5 rotates, the connecting rods are linked, thereby driving all the locking members 4 to act simultaneously.

[0035] In summary, the embedded large-bend hinged door has the following characteristics:

[0036] 1) The door frame 1 and the door leaf 2 are connected and fixed by using a hinge 3 with a unique structure to meet normal use requirements and ensure that the door leaf 2 can be opened to a certain angle and then limited;

[0037] 2) The internal hinge 3 can make the outer surface of the door leaf 2 free of any parts, making it easy to make the door leaf 2 flush with the outer wall of the hull, so as to achieve the effect of embedding and hiding the hatch;

[0038] 3) The hinge part 3 is not easily corroded by the outside world and has a long service life;

[0039] 4) Use the sealing strip 25 and fireproof strip 26 in the door frame 1 and the door leaf 2, as well as the fireproof cotton 24 and fireproof board 23 in the door leaf 2 to ensure sufficient fireproof and partition performance;

[0040] 5) By rotating the hand wheel 5 to link the locking members 4, the force required for locking and opening the door leaf 2 can be greatly reduced.

[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. A recessed large-bend hinged door, comprising a door frame (1) and a door leaf (2), wherein the door frame (1) is fixed to the outer wall of a hull, and characterized in that: The embedded large-bend hinge door also includes a hinge member (3), the hinge member (3) includes a C-shaped connecting frame (31), the first end of the connecting frame (31) is rotatably connected to a first hinge seat (32), the first hinge seat (32) is fixed to the indoor side surface of the door leaf (2), the second end of the connecting frame (31) is provided with a bent corner portion (33) bent relative to the first end of the connecting frame (31), and the second end of the connecting frame (31) is rotatably connected to a second hinge seat (34), the second hinge seat (34) is embedded in the indoor side of the door frame (1), and the bent corner portion (33) abuts against the inner edge of the door frame (1) when the door leaf (2) is opened to a set angle to stop.

2. The embedded large-bend hinged door according to claim 1, characterized in that: The outdoor side surface of the door frame (1) is provided with a raised plate (11), thereby forming an inner cavity (12) for accommodating the second hinge seat (34).

3. The embedded large-bend hinged door according to claim 2, characterized in that: The outer surface of the raised plate (11), the outdoor side surface of the door leaf (2) and the surface of the outer peripheral wall of the hull are all flush.

4. The embedded large-bend hinged door according to claim 1, characterized in that: The door leaf (2) comprises a support plate (21) located on the outdoor side surface and an inner sealing plate (22) located on the indoor side surface, a fireproof plate (23) is arranged on the inner side of the inner sealing plate (22), and fireproof cotton (24) is filled between the fireproof plate (23) and the support plate (21).

5. The embedded large-bend hinged door according to claim 4, characterized in that: The door leaf (2) is provided with a sealing strip (25) which cooperates with the outer edge of the door frame (1) to seal, and a fireproof strip (26) is provided on the inner surface of the sealing strip (25) and in the gap between the door leaf (2) and the door frame (1).

6. The embedded large-bend hinged door according to claim 1, characterized in that: A plurality of locking members (4) are arranged at the edge area of ​​the indoor side surface of the door leaf (2); a lock buckle is arranged on the door frame (1) corresponding to each of the locking members (4); a rotating hand wheel (5) is arranged at the center area of ​​the indoor side surface of the door leaf (2); the rotating hand wheel (5) is linked with each of the locking members (4) through a transmission component (6), thereby controlling each of the locking members (4) to lock or unlock with the corresponding lock buckle.

Images