A watertight hatch cover for a ship

Abstract

The utility model discloses a watertight hatch cover for ship, it includes the cover plate, the upper surface rotation of cover plate is connected with the hinge, the side wall fixed connection of hinge has the coaming, the inner fixed surface connection of coaming has the sealing strip, the upper surface fixed connection of coaming has the corner angle inclined wedge, the side fixed connection of coaming away from hinge has the lock catch, the upper surface fixed connection of lock catch has the handle, the lower surface both sides of cover plate all are fixedly connected with the connecting rod, the outer surface both sides of connecting rod all are rotationally connected with the main handle, and main handle extends to the upper surface of cover plate, the lower surface middle part of cover plate is provided with the stopper, and the output fixed connection of stopper has the headstock device. Through corner angle inclined wedge and the outer surface of cover plate are connected after the cover plate closes, and the pressure is applied to the cover plate from above, and the sealing strip below forms double sealing, and further promotes the sealing performance, and effectively resists external water pressure.

Description

Technical Field

[0001] This utility model relates to the field of marine equipment technology, and in particular to a watertight hatch cover for ships. Background Technology

[0002] In the shipping industry, ensuring the safety of cargo and equipment in the hold and maintaining the stability of the hull have always been core requirements. As a key piece of equipment for sealing hull openings, watertight hatch covers have emerged to meet these needs and shoulder multiple responsibilities.

[0003] Conventional ships use watertight hatch covers, which are relatively simple in design and have poor sealing performance, making them difficult to effectively withstand harsh sea conditions. Utility Model Content

[0004] The purpose of this utility model is to provide a watertight hatch cover for ships. After the cover plate is closed, the corner wedge engages with the outer surface of the cover plate, applying pressure from above and forming a double seal with the sealing strip below, further improving the sealing performance and effectively resisting external water pressure. The stopper drives the rolling head device to abut against the sill, further pressing the cover plate and enhancing the sealing performance and connection stability. At the same time, it limits and fixes the closed position of the cover plate, improving the overall sealing effect and reliability of use.

[0005] To achieve the above objectives, a watertight hatch cover for ships is provided, comprising: a cover plate, a hinge rotatably connected to the upper surface of the cover plate, a sill fixedly connected to the side wall of the hinge, a sealing strip fixedly connected to the inner surface of the sill, a corner wedge fixedly connected to the upper surface of the sill, a latch fixedly connected to the side of the sill away from the hinge, a handle fixedly connected to the upper surface of the latch, connecting rods fixedly connected to both the front and rear sides of the lower surface of the cover plate, main handles rotatably connected to both the upper and lower sides of the outer surface of the connecting rods, and the main handles extending to the upper surface of the cover plate, a stopper disposed in the middle of the lower surface of the cover plate, and a clamping device fixedly connected to the output end of the stopper. All components work together to construct the watertight hatch cover, achieving opening, closing, sealing, and locking, ensuring safety inside the hatch.

[0006] The hinges are symmetrically arranged on the front and rear sides of the cover plate's sidewall, and the retaining sill is located on the lower surface of the cover plate. The symmetrical hinges ensure smooth opening and closing of the cover plate, and the retaining sill cooperates with the cover plate to form a closed structure, improving water tightness.

[0007] The dimensions of the sealing strip are adapted to the dimensions of the cover plate, and the inner surface of the sealing strip is movably connected to the cover plate. The adapted dimensions ensure that the sealing strip fits tightly to the cover plate, while the movable connection balances sealing and opening / closing flexibility.

[0008] The corner wedge engages with the outer surface of the cover plate, and the corner wedge is located above the sealing strip. The corner wedge applies pressure during engagement, cooperating with the sealing strip below to enhance the overall sealing effect of the hatch.

[0009] The inner surface of the latch engages with the cover plate, and the latch is located between two hinges. The latch engages and locks the cover plate, and its location between the hinges ensures a uniform locking force, preventing the cover plate from opening accidentally.

[0010] The number of main handles and connecting rods are correspondingly arranged, with the main handles located around the side walls of the handle. The corresponding arrangement of main handles and connecting rods facilitates force application and improves operational convenience through their arrangement around the handle.

[0011] The stopper is located below the handle, between the two connecting rods, and the rolling head device abuts against the sill. The stopper, in conjunction with the rolling head device, precisely limits and tightens the cover, ensuring it is fully closed and enhancing sealing reliability.

[0012] The above-mentioned solution has the following beneficial effects: This utility model is equipped with a hinge, a sill, a sealing strip, a corner wedge, a latch, a handle, a connecting rod, a main handle, a stopper, and a rolling head device. The corner wedge engages with the outer surface of the cover plate after it is closed, applying pressure to the cover plate from above. This, together with the sealing strip below, forms a double seal, further improving the sealing performance and effectively resisting external water pressure. The stopper drives the rolling head device to contact the sill, further pressing the cover plate and enhancing the sealing and connection stability. It also limits and fixes the closed position of the cover plate, improving the overall sealing effect and reliability. Attached Figure Description

[0013] Figure 1 This is a bottom view of a watertight hatch cover for a ship according to the present invention.

[0014] Figure 2 This is a cross-sectional side view of a watertight hatch cover for a ship according to the present invention.

[0015] Figure 3 This is a schematic diagram of the hinge structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the locking structure for a utility model.

[0017] Legend: 1. Cover plate; 2. Threshold; 3. Hinge; 4. Main handle; 5. Handle; 6. Lock; 7. Heading device; 8. Stopper; 9. Linkage rod; 10. Corner wedge; 11. Sealing strip. Detailed Implementation

[0018] Reference Figure 1-4This utility model provides a watertight hatch cover for ships, comprising a cover plate 1. A hinge 3 is rotatably connected to the upper surface of the cover plate 1, connecting the cover plate 1 and a sill 2. This allows the cover plate 1 to open and close around the hinge 3, enabling the hatch cover to be opened and closed. A sill 2 is fixedly connected to the side wall of the hinge 3, providing the cover plate 1 with an installation base and sealing boundary. The sill 2, in conjunction with the cover plate 1, forms a closed space, ensuring the watertightness of the hatch. A sealing strip 11 is fixedly connected to the inner surface of the sill 2. When the cover plate 1 is closed, the sealing strip 11 engages with the cover plate... The plate 1 fits tightly against the hatch, filling gaps through elastic deformation to prevent water from seeping in from the gap between the cover plate 1 and the sill 2, thus playing a crucial watertight sealing role. A corner wedge 10 is fixedly connected to the upper surface of the sill 2. After the cover plate 1 is closed, the corner wedge 10 engages with the outer surface of the cover plate 1, applying pressure to the cover plate 1 and further enhancing the seal between the cover plate 1 and the sealing strip 11, ensuring the watertight effect of the hatch. A latch 6 is fixedly connected to the side of the sill 2 away from the hinge 3. The latch 6 is used to lock the cover plate 1 after it is closed, preventing water from seeping in during ship navigation. During the process, the hatch is accidentally opened due to external force, ensuring the safety and sealing of the hatch. A handle 5 is fixedly connected to the upper surface of the latch 6. The handle 5 facilitates the operator to open and close the latch 6, providing a force point and making the operation more convenient and labor-saving. The lower surface of the cover plate 1 is fixedly connected to both the front and rear sides of the cover plate 1. The connecting rod 9, as a connecting component, transmits the operating force of the main handle 4 to the cover plate 1, realizing the control of the opening and closing angle of the cover plate 1. The main handle 4 is rotatably connected to both the upper and lower sides of the outer surface of the connecting rod 9, and the main handle 4 extends to the upper surface of the cover plate 1. The main handle 4 is the operator's... The operator provides the force point for opening and closing the cover plate 1. By rotating the main handle 4, the connecting rod 9 is driven to move, thereby controlling the opening and closing of the cover plate 1. A stopper 8 is provided in the middle of the lower surface of the cover plate 1. The stopper 8 is used to control the action of the rolling head device 7, limit and fix the closed position of the cover plate 1, and ensure that the cover plate 1 is closed in place. The output end of the stopper 8 is fixedly connected to the rolling head device 7. Under the drive of the stopper 8, the rolling head device 7 abuts against the sill 2, further pressing the cover plate 1, enhancing the sealing and connection stability between the cover plate 1 and the sill 2.

[0019] Hinges 3 are symmetrically arranged on the front and rear sides of the side wall of the cover plate 1. The symmetrical arrangement of hinges 3 ensures the stability and balance of the cover plate 1 during the opening and closing process, allowing the cover plate 1 to rotate smoothly. The sill 2 is located on the lower surface of the cover plate 1. The sill 2 and the cover plate 1 cooperate to form a closed hatch structure, jointly achieving the watertight function of the hatch. The size of the sealing strip 11 is adapted to the size of the cover plate 1. The size adaptation of the sealing strip 11 and the cover plate 1 ensures that when the cover plate 1 is closed, the sealing strip 11 can completely cover the contact area to ensure the sealing effect. The inner surface of the sealing strip 11 is movably connected to the cover plate 1. 1. Movable connection: During the opening and closing of the cover plate 1, the sealing strip 11 can adapt to the movement of the cover plate 1 while maintaining good sealing performance. The corner wedge 10 engages with the outer surface of the cover plate 1, applying pressure to the cover plate 1 and assisting the sealing strip 11 in enhancing the sealing effect of the hatch. The corner wedge 10 is located above the sealing strip 11, applying pressure to the cover plate 1 from above, working together with the sealing strip 11 below to improve the sealing performance from both above and below. The inner surface of the latch 6 engages with the cover plate 1, locking the cover plate 1 and closing the cover plate 1. A secure lock is provided to prevent the cover plate 1 from loosening or accidentally opening. The latch 6 is located between the two hinges 3. The position of the latch 6 ensures that the locking force on the cover plate 1 is evenly distributed, enhancing the locking effect and ensuring the stability of the cover plate 1 after it is closed. The number of main handles 4 corresponds to the number of connecting rods 9. The correspondence between the number of main handles 4 and connecting rods 9 ensures that the force applied by the operator through the main handles 4 can be evenly transmitted to the cover plate 1, achieving smooth opening and closing. The main handles 4 are located around the side wall of the handle 5. The main handles 4 are distributed around the handle 5, allowing the operator to conveniently operate the main handles 4 while operating the latch 6, improving the operation. For efficiency, the stopper 8 is located below the handle 5. The position of the stopper 8 below the handle 5 makes it easy for the operator to operate the stopper 8 after opening the latch 6 by operating the handle 5, and control the rolling head device 7. The stopper 8 is located between the two connecting rods 9. The layout of the stopper 8 between the two connecting rods 9 allows the pressure applied by the rolling head device 7 to be evenly distributed on the cover plate 1, ensuring the sealing effect and the stability of the cover plate 1. The rolling head device 7 abuts against the sill 2. Under the control of the stopper 8, the rolling head device 7 abuts against the sill 2, and under the control of the stopper 8, applies additional pressure to the cover plate 1, further enhancing the sealing of the hatch.

[0020] When using a ship's watertight hatch cover, the operator first grasps handle 5 to open latch 6, separating latch 6 from cover plate 1 and releasing the lock on cover plate 1. Next, the operator rotates main handle 4, which drives connecting rod 9 to move, thereby controlling the cover plate 1 to rotate and open around hinge 3. Once the cover is opened to the appropriate angle, the operator stops rotating main handle 4. When it is necessary to close the hatch cover, the operator rotates main handle 4 again, causing cover plate 1 to rotate around hinge 3 until cover plate 1 is flush with the sill 2. At this point, the seal is achieved. Due to the compression of the cover plate 1, the strip 11 undergoes elastic deformation, initially filling the gap. Subsequently, the stopper 8 is operated, and the stopper 8 drives the rolling head device 7 to abut against the sill 2, further pressing the cover plate 1 and enhancing the sealing performance. Finally, the handle 5 is pressed down, causing the inner surface of the latch 6 to engage with the cover plate 1, firmly locking the cover plate 1. At the same time, the corner wedge 10 engages with the outer surface of the cover plate 1, applying pressure to the cover plate 1 from above. This, in conjunction with the sealing strip 11 below, ensures that the hatch achieves a good watertight effect.

Claims

1. A watertight hatch cover for a ship, characterized in that: Includes a cover plate (1), the upper surface of the cover plate (1) is rotatably connected to a hinge (3), the side wall of the hinge (3) is fixedly connected to a sill (2), the inner surface of the sill (2) is fixedly connected to a sealing strip (11), the upper surface of the sill (2) is fixedly connected to a corner wedge (10), the side of the sill (2) away from the hinge (3) is fixedly connected to a latch (6), the upper surface of the latch (6) is fixedly connected to a handle (5), the lower surface of the cover plate (1) is fixedly connected to both the front and rear sides of a connecting rod (9), the outer surface of the connecting rod (9) is rotatably connected to both the upper and lower sides of a main handle (4), and the main handle (4) extends to the upper surface of the cover plate (1), a stopper (8) is provided in the middle of the lower surface of the cover plate (1), and the output end of the stopper (8) is fixedly connected to a head-rolling device (7).

2. A watertight hatch cover for ships according to claim 1, characterized in that: The hinges (3) are symmetrically arranged on the front and rear sides of the side wall of the cover plate (1), and the sill (2) is located on the lower surface of the cover plate (1).

3. A watertight hatch cover for ships according to claim 1, characterized in that: The size of the sealing strip (11) is adapted to the size of the cover plate (1), and the inner surface of the sealing strip (11) is movably connected to the cover plate (1).

4. A watertight hatch cover for ships according to claim 1, characterized in that: The corner wedge (10) and the outer surface of the cover plate (1) are engaged, and the corner wedge (10) is located above the sealing strip (11).

5. A watertight hatch cover for ships according to claim 1, characterized in that: The inner surface of the latch (6) engages with the cover plate (1), and the latch (6) is located between two hinges (3).

6. A watertight hatch cover for ships according to claim 1, characterized in that: The number of main handles (4) and the number of connecting rods (9) are set in correspondence, and the main handles (4) are located around the side wall of the handle (5).

7. A watertight hatch cover for ships according to claim 1, characterized in that: The stopper (8) is located below the handle (5) and between the two connecting rods (9). The head device (7) and the sill (2) are in contact.

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