Sealing cabin door on ship

Abstract

The utility model belongs to the technical field of ships, and particularly relates to a sealing cabin door on a ship, which comprises a door frame and a door body, noise reduction components are arranged on the top surface and the bottom surface of the door body, noise outside the ship enters from a sound inlet, and a first part of noise passes through a lower conveying channel, a flowing hole, a circulating cavity and a sound outlet; the second part of noise flows back on the lower conveying channel, the upper conveying channel and the through groove, one part of noise flows out from the sound inlet, the other part of noise flows out from the sound inlet, the third part of noise flows back on the auxiliary hole, the upper conveying channel and the through groove, and noise flows out from the sound inlet and the sound outlet respectively; the fourth part of noise passes through the upper conveying channel, the through groove, the flowing hole, the circulation cavity and the sound outlet, the fifth part of noise rotates through the upper conveying channel, the through groove, the auxiliary hole and the lower conveying channel, one part of noise flows out of the sound inlet, the other part of noise flows out of the sound outlet, and the noise is transmitted through eight channels; compared with the prior art, the noise in the cabin is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, and more specifically, to a sealed cabin door on a ship. Background Art

[0002] With the continuous development of science and technology, crew members have higher and higher requirements for the comfort of ship interiors, especially the vibration and noise of ship cabins. Highly sealed doors are now installed.

[0003] For example, the authorization announcement number CN112160684B discloses a sealed door for ships, including a door frame arranged on the ship, a door body arranged on the door frame, a lock arranged on the door body and a sealing strip arranged on the door body; the door frame is a rectangular frame structure, the projected area of ​​the empty part inside the door frame is equal to the projected area of ​​the door body, and the length and width of the empty part inside the door frame are respectively equal to the length and width of the door body; a circle of blocking strips is provided in the door frame to block the door body.

[0004] In the above, during the operation of the ship, certain vibrations and noises will be generated outside the ship.

[0005] Moreover, when the external environment such as wind and rain is severe, the noise generated outside the ship will be greater, and the vibration and noise will be transmitted to the cabin through the sealed door. In this patent, the noise generated will directly enter the cabin from between the door body and the door frame, thereby increasing the amount of noise in the cabin. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a sealed cabin door on a ship which can reduce the amount of noise in the cabin.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A sealed cabin door on a ship comprises a door frame arranged on the ship and a door body arranged on the door frame, the door body being placed in the door frame and being hingedly connected to the door frame, noise reduction components being arranged on the top and bottom surfaces of the door body, the noise reduction component being arranged between the door frame and the door body, the noise reduction component comprising an upper mounting cover and a lower mounting cover, a sound inlet being arranged on one side of the upper mounting cover and the lower mounting cover, a sound outlet being arranged on the other side, the upper mounting cover and the lower mounting cover being connected by a supporting rod, the supporting rod being placed in the upper mounting cover and the lower mounting cover, both ends of the supporting rod being fixedly connected to the upper mounting cover and the lower mounting cover, the inner wall of the upper mounting cover, the inner wall of the lower mounting cover and one side of the supporting rod forming a transmission chamber connected to the sound inlet, the inner wall of the upper mounting cover, the inner wall of the lower mounting cover and the other side of the supporting rod forming a circulation chamber connected to the sound outlet, the transmission chamber and the circulation chamber being connected, a sound discharge plate being arranged in the transmission chamber, the sound discharge plate being connected to the upper mounting cover, and an auxiliary hole being arranged on the sound discharge plate connected to the transmission chamber.

[0009] The utility model is further configured as follows: a reinforcement block is arranged on the sound plate, both sides of the reinforcement block are fixedly connected to the inner wall of the upper mounting cover and the outer peripheral wall of the sound plate, and a through groove is opened on the reinforcement block.

[0010] The utility model is further configured as follows: flow holes are opened on the support rod, and the flow holes are communicated with the transmission chamber and the circulation chamber.

[0011] The utility model is further configured as follows: the door body is provided with a snap-in strip, the snap-in strips are in three numbers and are placed on the outer wall of the door body, a snap-in groove for the snap-in strip to extend into is opened on the door frame, and the snap-in strip is adapted to the snap-in groove.

[0012] The utility model is further configured as follows: a connecting groove is opened on the door frame, a rotating rod is arranged in the connecting groove, both ends of the rotating rod are connected to the connecting groove, and an assembly ring is arranged on the door body, the assembly ring is sleeved on the rotating rod and is rotatably connected to the rotating rod.

[0013] By adopting the above technical solution, the beneficial effects of the utility model are:

[0014] The noise generated outside the ship enters through the sound inlet, and the first part of the noise passes through the lower conveying channel, flow holes and flow chamber in the transmission chamber in turn, and finally flows out from the sound outlet.

[0015] The second part of the noise passes through the lower conveying channel in the transmission chamber, the upper conveying channel in the transmission chamber and the through groove in turn. The noise refluxes between the lower conveying channel, the upper conveying channel and the through groove. Part of the noise flows out from the sound inlet, and the other part of the noise flows from the flow hole into the circulation chamber and finally flows out from the sound outlet.

[0016] The third part of the noise passes through the lower conveying channel, auxiliary holes and upper conveying channel in the transmission chamber in turn. The noise refluxes through the auxiliary holes, the upper conveying channel and the through groove. Part of the noise flows out from the sound inlet, and the other part of the noise flows from the flow hole into the circulation chamber and finally flows out from the sound outlet.

[0017] The fourth part of the noise passes through the upper conveying channel, through slot, flow hole and flow chamber in the transmission chamber in turn, and finally flows out from the sound outlet.

[0018] The fifth part of the noise passes through the upper conveyor channel, through groove, auxiliary hole and lower conveyor channel in the transmission chamber in turn. The noise rotates through the upper conveyor channel, through groove, auxiliary hole and lower conveyor channel. Part of the noise flows out from the sound inlet, and the other part of the noise flows into the circulation chamber from the flow hole, and finally flows out from the sound outlet. Since the noise is transmitted through eight channels, the noise entering the cabin is effectively weakened, thereby reducing the amount of noise in the cabin. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 An exploded view of an embodiment of the utility model;

[0020] Figure 2 It is a cross-sectional view of the noise reduction component of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the door frame of the present invention.

[0022] Door frame 1, door body 2, upper mounting cover 3, lower mounting cover 4, sound inlet 5, sound outlet 6, support rod 7, transmission chamber 8, circulation chamber 9, sound discharging plate 10, auxiliary hole 11, reinforcement block 12, through groove 13, flow hole 14, snap-on strip 15, snap groove 16, rotating rod 17, and assembly ring 18. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] like Figures 1 to 3 As shown, the sealed hatch door on the ship comprises a door frame 1 arranged on the ship and a door body 2 arranged on the door frame 1, wherein the door body 2 is placed in the door frame 1 and the door body 2 is hingedly connected to the door frame 1.

[0026] The door frame 1 is provided with a connecting groove, in which a rotating rod 17 is provided, both ends of which are connected to the connecting groove, and a mounting ring 18 is installed on the door body 2, which is sleeved on the rotating rod 17 and is rotatably connected to the rotating rod 17.

[0027] The door body 2 is provided with three clamping strips 15 which are arranged on the outer wall of the door body 2 . The door frame 1 is provided with clamping grooves 16 which are matched with the clamping strips 15 .

[0028] A handle is also installed on the door body 2. When the door body 2 and the door frame 1 are opened, the handle is pulled outward, and the snap-in strip 15 is snapped out of the snap-in groove. At the same time, the assembly ring 18 rotates around the rotating rod 17. When the door body 2 and the door frame 1 are closed, the handle is pushed, and the assembly ring 18 rotates around the rotating rod 17, so that the snap-in strip 15 extends into the snap-in groove 16 and is snap-fitted and fixed to the snap-in groove.

[0029] Noise reduction components are installed on the top and bottom surfaces of the door body 2, and the noise reduction components are placed between the door frame 1 and the door body 2. The noise reduction components include an upper mounting cover 3 and a lower mounting cover 4. A sound inlet 5 is provided on one side of the upper mounting cover 3 and the lower mounting cover 4, and a sound outlet 6 is provided on the other side.

[0030] The upper mounting cover 3 and the lower mounting cover 4 are connected via a support rod 7 , the support rod 7 is placed inside the upper mounting cover 3 and the lower mounting cover 4 , both ends of the support rod 7 are fixedly connected to the upper mounting cover 3 and the lower mounting cover 4 , and a flow hole 14 is opened on the support rod 7 .

[0031] The inner wall of the upper mounting cover 3, the inner wall of the lower mounting cover 4 and one side of the support rod 7 form a transmission chamber 8 connected to the sound inlet 5, and the inner wall of the upper mounting cover 3, the inner wall of the lower mounting cover 4 and the support rod 7 on the other side form a flow chamber 9 connected to the sound outlet 6. The transmission chamber 8 and the flow chamber 9 are connected, and the transmission chamber 8 and the flow chamber 9 are both connected to the flow hole 14.

[0032] A sound-discharging plate 10 is installed in the transmission chamber 8. The sound-discharging plate 10 is connected to the upper mounting cover 3. An auxiliary hole 11 communicating with the transmission chamber 8 is provided on the sound-discharging plate 10. An upper conveying channel is formed between the top surface of the sound-discharging plate 10 and the transmission chamber 8, and a lower conveying channel is formed between the bottom surface of the sound-discharging plate 10 and the transmission chamber 8.

[0033] A reinforcement block 12 is installed on the sound plate 10 . Both sides of the reinforcement block 12 are fixedly connected to the inner wall of the upper installation cover 3 and the outer peripheral wall of the sound plate 10 . A through groove 13 is opened on the reinforcement block 12 .

[0034] Working principle: The noise generated outside the ship enters through the sound inlet 5, and the first part of the noise passes through the lower conveying channel, flow hole 14 and flow chamber 9 in the transmission chamber 8 in turn, and finally flows out from the sound outlet 6.

[0035] The second part of the noise passes through the lower conveying channel in the transmission chamber 8, the upper conveying channel in the transmission chamber 8 and the through groove 13 in turn. The noise refluxes between the lower conveying channel in the transmission chamber 8, the upper conveying channel in the transmission chamber 8 and the through groove 13. Part of the noise flows out from the sound inlet 5, and the other part of the noise flows from the flow hole 14 to the circulation chamber 9, and finally flows out from the sound outlet 6.

[0036] The third part of the noise passes through the lower conveying channel in the transmission chamber 8, the auxiliary hole 11 and the upper conveying channel in the transmission chamber 8 in turn. The noise refluxes through the auxiliary hole 11, the upper conveying channel in the transmission chamber 8 and the through groove 13. Part of the noise flows out from the sound inlet 5, and the other part of the noise flows from the flow hole 14 to the circulation chamber 9, and finally flows out from the sound outlet 6.

[0037] The fourth part of the noise passes through the upper conveying channel, the through groove 13, the flow hole 14 and the flow chamber 9 in the transmission chamber 8 in sequence, and finally flows out from the sound outlet 6.

[0038] The fifth part of the noise passes through the upper conveying channel, the through groove 13, the auxiliary hole 11 and the lower conveying channel in the transmission chamber 8 in turn. The noise circulates through the upper conveying channel, the through groove 13, the auxiliary hole 11 and the lower conveying channel in the transmission chamber 8. Part of the noise flows out from the sound inlet 5, and the other part of the noise flows from the flow hole 14 to the circulation chamber 9, and finally flows out from the sound outlet 6. Since the noise is transmitted through eight channels, the noise entering the cabin is effectively weakened, thereby reducing the amount of noise in the cabin.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealed hatch door on a ship, comprising a door frame (1) arranged on the ship and a door body (2) arranged on the door frame (1), characterized in that: The door body (2) is placed inside the door frame (1) and the door body (2) is hingedly connected to the door frame (1). Noise reduction components are provided on the top and bottom surfaces of the door body (2), and the noise reduction components are placed between the door frame (1) and the door body (2). The noise reduction component comprises an upper mounting cover (3) and a lower mounting cover (4). The upper mounting cover (3) and the lower mounting cover (4) have a sound inlet (5) on one side and a sound outlet (6) on the other side. The upper mounting cover (3) and the lower mounting cover (4) are connected via a support rod (7), the support rod (7) is placed inside the upper mounting cover (3) and the lower mounting cover (4), and both ends of the support rod (7) are fixedly connected to the upper mounting cover (3) and the lower mounting cover (4). The inner wall of the upper mounting cover (3), the inner wall of the lower mounting cover (4) and one side of the support rod (7) form a transmission chamber (8) that is connected to the sound inlet (5). The inner wall of the upper mounting cover (3), the inner wall of the lower mounting cover (4) and the other side of the support rod (7) form a flow chamber (9) connected to the sound outlet (6); the transmission chamber (8) and the flow chamber (9) are connected. A sound-discharging plate (10) is provided in the transmission chamber (8), and the sound-discharging plate (10) is connected to the upper mounting cover (3). The sound-discharging plate (10) is provided with an auxiliary hole (11) which is in communication with the transmission chamber (8).

2. A sealed hatch on a ship according to claim 1, characterized in that: The sound-discharging plate (10) is provided with a reinforcement block (12), both sides of the reinforcement block (12) are fixedly connected to the inner wall of the upper mounting cover (3) and the outer peripheral wall of the sound-discharging plate (10), and a through slot (13) is provided on the reinforcement block (12).

3. A sealed hatch on a ship according to claim 1, characterized in that: The support rod (7) is provided with flow holes (14), and the flow holes (14) are both connected to the transmission chamber (8) and the circulation chamber (9).

4. A sealed hatch on a ship according to claim 1, characterized in that: The door body (2) is provided with a snap-fitting strip (15), which has three snap-fitting strips (15) and is disposed on the outer wall of the door body (2); a snap-fitting groove (16) is provided on the door frame (1) for the snap-fitting strip (15) to extend into; the snap-fitting strip (15) is adapted to fit into the snap-fitting groove (16).

5. The sealed hatch on a ship according to claim 1, characterized in that: The door frame (1) is provided with a connection groove, a rotating rod (17) is provided in the connection groove, both ends of the rotating rod (17) are connected to the connection groove, and an assembly ring (18) is provided on the door body (2), the assembly ring (18) is sleeved on the rotating rod (17) and is rotatably connected to the rotating rod (17).

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