High-strength steel clamping plate overlapped door frame structure for ship

Abstract

The utility model relates to the technical field of door frames for ships, and discloses a high-strength steel clamping plate superposed door frame structure for ships, which comprises a door frame main body, the door frame main body comprises a front frame and a rear frame, the front frame and the rear frame are welded and fixed front and back, and the front frame comprises a first front steel plate and a second front steel plate which are mutually welded front and back; the rear frame comprises a first rear steel plate and a second rear steel plate which are welded front and back. The front frame and the rear frame are designed in a front-and-back layered mode, and the front frame and the rear frame are respectively composed of the first front steel plate, the second front steel plate, the first rear steel plate and the second rear steel plate which are provided with the protruding parts, so that the whole door frame body is of a steel clamping plate stacked structure. Stress borne by the door frame body can be distributed more evenly, local high stress borne by a single steel plate is reduced, then the overall strength, durability and toughness of the structure are improved, and it is guaranteed that the door frame body has high impact resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of ship door frames, in particular to a ship door frame structure with high-strength steel plywood stacking. Background Art

[0002] A ship is a general term for various vessels. A ship is a means of transport that can sail or anchor in water for transportation or operations. Depending on their intended use, they possess varying technical capabilities, equipment, and structural types. A door frame is a building decoration term that refers to the inner and outer door frames. It can also be simply called a door frame. Its primary function is to secure the door leaf.

[0003] An existing marine door frame (Announcement No.: CN210793519U) has at least the following disadvantages: the door frame adopts a double-layer steel plate structure and fills the middle of the steel plates with hardened material to increase the overall strength of the door frame. However, the strength of the filler is still limited compared to the steel structure. Its impact strength and toughness are still not enough to replace the door frame with a single steel plate structure. In addition, the filler may age or degrade over time, thereby affecting the overall performance. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a high-strength steel plywood stacked door frame structure for ships.

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

[0006] A high-strength steel plywood stacked door frame structure for ships includes a door frame body, wherein the door frame body includes a front frame and a rear frame, which are welded and fixed front and back, the front frame includes a first front steel plate and a second front steel plate welded to each other front and back, and the first front steel plate and the second front steel plate are both provided with a forward protrusion, and the rear frame includes a first rear steel plate and a second rear steel plate welded to each other front and back, and the first rear steel plate and the second rear steel plate are both provided with a backward protrusion.

[0007] As a further solution of the present invention, the outer wall of the door frame body is provided with an external reinforcement strip, which is welded and fixed to the outer walls of the front frame and the rear frame respectively. The front reinforcement strip is welded and fixed to the front side of the front frame, and the rear reinforcement strip is welded and fixed to the rear side of the rear frame.

[0008] As a further solution of the present invention, the raised portions on one side of the first front steel plate, the second front steel plate, the first rear steel plate and the second rear steel plate have the same shape as the door frame main body.

[0009] As a further solution of the present invention, two mounting seats are fixed on the front side of the front frame near the right side, a locking seat is fixed on the front side of the front frame near the left side, and three locking blocks are fixed on the rear side of the rear reinforcement strip near the left side.

[0010] As a further solution of the present invention, three fixing plates are fixed to the left and right sides of the outer reinforcement strip, and a mounting hole is opened on one side of the fixing plate.

[0011] As a further solution of the present invention, a sealing strip is fixed to one side of the rear frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The door frame body adopts a front-to-back layered design of the front frame and the rear frame, and the front frame and the rear frame are respectively composed of a first front steel plate with a raised portion, a second front steel plate, a first rear steel plate, and a second rear steel plate, so that the door frame body as a whole forms a superimposed steel plate structure. Compared with the door frame body structure of a single steel plate, the stress on the door frame body can be distributed more evenly, and the local high stress on the single steel plate can be reduced, thereby improving the overall strength, durability and toughness of the structure, and ensuring that the door frame body has strong impact resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front perspective structural diagram of a high-strength steel plywood stacked door frame structure for ships proposed by the present invention;

[0015] Figure 2 This is a schematic diagram of the three-dimensional split structure of a high-strength steel plywood stacked door frame structure for ships proposed by the utility model;

[0016] Figure 3 This is a rear perspective structural diagram of a high-strength steel plywood stacked door frame structure for ships proposed by the present invention;

[0017] Figure 4 for Figure 3 A magnified schematic diagram of the local three-dimensional structure of A.

[0018] In the figure: 1. Door frame body; 11. Front frame; 111. First front steel plate; 112. Second front steel plate; 12. Rear frame; 121. First rear steel plate; 122. Second rear steel plate; 2. External reinforcement strip; 201. Front reinforcement strip; 202. Rear reinforcement strip; 3. Mounting seat; 301. Locking seat; 302. Locking block; 4. Fixing plate; 401. Mounting hole; 5. Sealing strip. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] like Figures 1-4 As shown, a high-strength steel plywood stacked door frame structure for ships includes a door frame body 1, the door frame body 1 includes a front frame 11 and a rear frame 12, the front frame 11 and the rear frame 12 are welded and fixed front and back, the front frame 11 includes a first front steel plate 111 and a second front steel plate 112 welded to each other front and back, the first front steel plate 111 and the second front steel plate 112 are both provided with a forward protrusion, the rear frame 12 includes a first rear steel plate 121 and a second rear steel plate 122 welded to each other front and back, the first rear steel plate 121 and the second rear steel plate 122 are both provided with a backward protrusion, The door frame main body 1 adopts a front-to-back layered design of a front frame 11 and a rear frame 12, and the front frame 11 and the rear frame 12 are respectively composed of a first front steel plate 111 with a raised portion, a second front steel plate 112, a first rear steel plate 121 and a second rear steel plate 122, so that the door frame main body 1 as a whole forms a steel plywood superimposed structure. Compared with the door frame main body structure of a single steel plate, the stress on the door frame main body 1 can be more evenly distributed, and the local high stress on the single steel plate can be reduced, thereby improving the overall strength, durability and toughness of the structure, and ensuring that the door frame main body 1 has strong impact resistance.

[0023] like Figure 2-Figure 4As shown, in this embodiment, the outer wall of the door frame main body 1 is provided with an external reinforcement strip 2, and the external reinforcement strip 2 is welded and fixed to the outer walls of the front frame 11 and the rear frame 12 respectively. The front side of the front frame 11 is welded and fixed with a front reinforcement strip 201, and the rear side of the rear frame 12 is welded and fixed with a rear reinforcement strip 202. By arranging the external reinforcement strip 2, the front reinforcement strip 201 and the rear reinforcement strip 202, the connection strength between the first rear steel plate 121 and the second rear steel plate 122, and the connection strength between the first rear steel plate 121 and the second rear steel plate 122 can be reinforced, thereby reducing the possibility of delamination of each layer of steel plates when the door frame main body 1 is subjected to a large impact.

[0024] like Figure 2-Figure 4 As shown, in this embodiment, the raised portions on one side of the first front steel plate 111, the second front steel plate 112, the first rear steel plate 121 and the second rear steel plate 122 have the same shape as the door frame body 1. By setting the raised portions on one side of the first front steel plate 111, the second front steel plate 112, the first rear steel plate 121 and the second rear steel plate 122 to have the same shape as the door frame body 1, after the door frame body 1 is installed, the raised portions are tightly abutted against the hull, thereby ensuring the stability of the door frame body 1 after installation.

[0025] like Figure 2-Figure 4 As shown, in this embodiment, two mounting seats 3 are fixed on the front side of the front frame 11 near the right side, a locking seat 301 is fixed on the front side of the front frame 11 near the left side, and three locking blocks 302 are fixed on the rear side of the rear reinforcement strip 202 near the left side. By setting the mounting seats 3, the sealing door can be installed, and the locking seat 301 and the locking block 302 can be used to assist in locking the sealing door.

[0026] like Figure 2-Figure 4 As shown, in this embodiment, three fixing plates 4 are fixed on the left and right sides of the external reinforcement strip 2, and a mounting hole 401 is opened on one side of the fixing plate 4. By inserting bolts into the mounting hole 401, the door frame body 1 can be easily installed on the hull.

[0027] like Figure 2-Figure 4 As shown, in this embodiment, a sealing strip 5 is fixed to one side of the rear frame 12. The sealing strip 5 is arranged so as to abut against the hull when the door frame body 1 is installed on the hull, thereby ensuring the sealing performance of the door frame body 1.

[0028] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: in use, the door frame main body 1 adopts a front-to-back layered design of the front frame 11 and the rear frame 12, and the front frame 11 and the rear frame 12 are respectively composed of a first front steel plate 111 with a raised portion, a second front steel plate 112, a first rear steel plate 121 and a second rear steel plate 122, so that the door frame main body 1 as a whole forms a steel plywood superimposed structure, which can more evenly distribute the stress on the door frame main body 1, reduce the local high stress on a single steel plate, and thus improve the overall strength, durability and toughness of the structure, and ensure that the door frame main body 1 has strong impact resistance. By arranging the external reinforcement strip 2, the front reinforcement strip 201 and the rear reinforcement strip 202, the first rear steel plate 121 and the second rear steel plate 12 can be reinforced. 2. The connection strength between the first rear steel plate 121 and the second rear steel plate 122 reduces the possibility of delamination of the steel plates when the door frame body 1 is subjected to a large impact. By setting the raised portions on one side of the first front steel plate 111, the second front steel plate 112, the first rear steel plate 121 and the second rear steel plate 122 to be the same shape as the door frame body 1, the raised portions can be tightly abutted against the hull after the door frame body 1 is installed, thereby ensuring the stability of the door frame body 1 after installation. The sealing door can be installed by setting the mounting seat 3, and the sealing door can be assisted in locking by the locking seat 301 and the locking block 302. By inserting bolts into the inside of the mounting hole 401, it is convenient to install the door frame body 1 on the hull. By setting the sealing strip 5, the door frame body 1 can be abutted against the hull when it is installed, thereby ensuring the sealing of the door frame body 1.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A high-strength steel plywood stacked door frame structure for ships, comprising a door frame body (1), characterized in that: The door frame body (1) includes a front frame (11) and a rear frame (12), which are welded to each other front and back. The front frame (11) includes a first front steel plate (111) and a second front steel plate (112) welded to each other front and back, and the first front steel plate (111) and the second front steel plate (112) are both provided with a forward protrusion. The rear frame (12) includes a first rear steel plate (121) and a second rear steel plate (122) welded to each other front and back, and the first rear steel plate (121) and the second rear steel plate (122) are both provided with a backward protrusion.

2. A ship-use high-strength steel plywood laminated door frame structure according to claim 1, characterized in that: The outer wall of the door frame body (1) is provided with an outer reinforcement strip (2), and the outer reinforcement strip (2) is welded and fixed to the outer walls of the front frame (11) and the rear frame (12), respectively. The front side of the front frame (11) is welded and fixed with a front reinforcement strip (201), and the rear side of the rear frame (12) is welded and fixed with a rear reinforcement strip (202).

3. A ship-use high-strength steel plywood laminated door frame structure according to claim 2, characterized in that: The raised portions on one side of the first front steel plate (111), the second front steel plate (112), the first rear steel plate (121) and the second rear steel plate (122) have the same shape as the door frame body (1).

4. A ship-use high-strength steel plywood laminated door frame structure according to claim 3, characterized in that: Two mounting seats (3) are fixed to the front side of the front frame (11) near the right side, a locking seat (301) is fixed to the front side of the front frame (11) near the left side, and three locking blocks (302) are fixed to the rear side of the rear reinforcement strip (202) near the left side.

5. A ship-use high-strength steel plywood laminated door frame structure according to claim 4, characterized in that: Three fixing plates (4) are fixed on both the left and right sides of the outer reinforcement strip (2), and a mounting hole (401) is provided on one side of the fixing plate (4).

6. A ship-use high-strength steel plywood laminated door frame structure according to claim 5, characterized in that: A sealing strip (5) is fixed to one side of the rear frame (12).

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