Ship cabin door buffer mechanism
By combining the shaft, connecting rope, tension spring, gear, and spring in the ship's hatch buffer mechanism, the problem of hatches being violently opened in strong winds has been solved, enabling the hatches to open and close with buffer, thus improving safety and durability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-03-10
AI Technical Summary
Existing ship hatches are easily affected by sudden wind force and opened rapidly in windy weather, which can cause damage to the hatches and reduce safety and durability. Furthermore, the forceful slamming of the hatches when closing can also affect safety.
Design a ship hatch buffer mechanism that uses a combination of a rotating shaft, connecting rope, tension spring, gear and spring. The rotating shaft rotates to drive the connecting rope to wind around the tension spring to provide opening resistance, and the gear meshes with the rack to drive the mating block to strike the spring to provide closing buffer.
It effectively limits the opening speed of the hatch, prevents it from being opened violently, provides an opening buffer, ensures the safety and durability of the hatch, and provides a buffer when closing, improving safety and service life.
Smart Images

Figure CN223984381U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cabin door technical field, especially a ship cabin door buffer mechanism. BACKGROUND
[0002] The ship cabin door is an important component in the ship structure, and its design needs to consider functionality, safety, sealing and environmental adaptability. By combining the ship type (cargo ship, passenger ship, special ship) and the cabin function, the cabin door scheme can be customized and designed to balance safety, cost and maintenance convenience.
[0003] When encountering strong wind weather on water, opening the cabin door will be instantly affected by wind force, causing the cabin door to open rapidly. This not only damages the cabin door and affects its service life, but also threatens the safety of the staff. Closing the cabin door will be affected by human or external environmental factors, and violent closing will further reduce the safety and durability of the cabin door. Therefore, a ship cabin door buffer mechanism is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the shortcomings of the prior art and providing a ship cabin door buffer mechanism to effectively solve the problems of the prior art.
[0005] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a ship cabin door buffer mechanism, which comprises a door frame, the door frame is internally provided with a cabin door, the inner wall of the door frame is rotatably connected with a rotating shaft at one side, the cabin door is fixedly connected with the two ends of the rotating shaft at one side, a first groove is formed in the position close to the middle part of the rotating shaft of the door frame, a connecting rope is arranged on the outer wall of the middle part of the rotating shaft, a tension spring is fixedly connected with the position close to the first groove at one side of the cabin door, one end of the connecting rope is fixedly connected with one end of the tension spring, an installation groove is formed in the top of the inner wall of the door frame, a gear is arranged in the position close to the rotating shaft in the installation groove, a rack is slidably connected with the position close to the gear in the inner wall of the installation groove, the gear is engaged with the rack, a matching block is fixedly connected with the end of the rack away from the gear, and a spring is fixedly connected with the position close to the gear in the installation groove.
[0006] According to the above-mentioned any scheme, the second groove is formed in the position close to the two ends of the rotating shaft of the door frame, the two ends of the cabin door are respectively inserted into the two second grooves, and are respectively fixedly connected with the two ends of the rotating shaft.
[0007] The technical effect achieved by the above-mentioned scheme is that the cabin door is rotatably connected with the door frame by using the rotating shaft, so that the cabin door can be opened and closed by rotation.
[0008] Preferably, the cabin door is fixedly connected with a protective shell on one side close to the tension spring, the tension spring is located inside the protective shell and is fixedly connected with one end of the protective shell, one end of the connecting rope is fixedly connected with the tension spring inside the protective shell, and the other end of the connecting rope is wound around the middle part of the rotating shaft.
[0009] The above scheme has the following technical effects: when the cabin door is opened, the rotating shaft rotates, the connecting rope is continuously wound around the outer wall of the rotating shaft, when the cabin door is turned to a certain angle, the connecting rope starts to pull the tension spring, providing resistance to the opening of the cabin door, reducing and limiting the opening speed of the cabin door, preventing the cabin door from being suddenly opened by force and causing damage, and providing a certain buffer space for the opening of the cabin door.
[0010] Preferably, two transmission wheels are rotatably connected to the inner wall of the mounting groove close to the rotating shaft, the outer walls of the two transmission wheels are provided with a synchronous belt, one side of one of the two transmission wheels is fixedly connected with one end of the rotating shaft, and one side of the other of the two transmission wheels is fixedly connected with one side of the gear.
[0011] The above scheme has the following technical effects: when the rotating shaft rotates, the transmission wheel rotates, and the synchronous belt and the gear rotate simultaneously, providing power for the rotation of the gear.
[0012] Preferably, a strip-shaped sliding groove is formed in the inner wall of the mounting groove close to the rack, a strip-shaped sliding block is fixedly connected to one side of the rack, and the strip-shaped sliding groove and the strip-shaped sliding block are in sliding connection.
[0013] The above scheme has the following technical effects: the rack is limited by the strip-shaped sliding groove and the strip-shaped sliding block, and can only move linearly and repeatedly in the mounting groove.
[0014] Preferably, one end of the spring faces the matching block, the matching block corresponds to the spring, and a distance is left between the spring and the matching block.
[0015] The above scheme has the following technical effects: when the rack moves, the matching block moves away from or approaches the spring, and when the cabin door is about to be completely closed, the matching block hits the spring, and the spring is contracted, thereby buffering the closing of the cabin door.
[0016] The utility model has the following advantages:
[0017] 1. The ship hatch door buffering mechanism, when the hatch door is rotated to open, the rotating shaft is rotated, the connecting rope is continuously wound on the outer wall of the rotating shaft, when the hatch door is rotated to a certain angle, the connecting rope starts to pull the tension spring, a certain resistance is provided for the opening of the hatch door, the speed of the opening of the hatch door is reduced and limited, the hatch door is prevented from being suddenly opened by violence to cause damage, and a certain buffering space is provided for the opening of the hatch door.
[0018] 2. The ship hatch door buffering mechanism, when the rotating shaft is rotated, the transmission wheel is rotated, the transmission wheel can drive the synchronous belt and the gear to rotate at the same time, power is provided for the rotation of the gear, the gear is engaged with the rack, when the rack is moved, the matching block is driven to move away from or close to the spring, when the hatch door is about to be completely closed, the matching block is impacted by the spring, and the spring is contracted, so that the closing of the hatch door is buffered. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the first view of the utility model;
[0020] Figure 2 It is a structural schematic view of the rack of the utility model;
[0021] Figure 3 It is a structural schematic view of the installation groove of the utility model;
[0022] Figure 4 It is a structural schematic view of the second view of the utility model;
[0023] Figure 5 It is a structural schematic view of the third view of the utility model;
[0024] Figure 6 It is a structural schematic view of the fourth view of the utility model.
[0025] In the drawing: 1 - door frame, 2 - hatch door, 3 - strip-shaped sliding block, 4 - synchronous belt, 5 - transmission wheel, 6 - gear, 7 - spring, 8 - rack, 9 - matching block, 10 - installation groove, 11 - protective shell, 12 - strip-shaped sliding groove, 13 - rotating shaft, 14 - tension spring, 15 - first recess, 16 - connecting rope, 17 - second recess. DETAILED DESCRIPTION
[0026] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.
[0027] For example, Figures 1 to 6As shown in the figure, a kind of ship hatch buffer mechanism, it includes door frame 1, door frame 1 inside is provided with hatch 2, the inner wall of door frame 1 one side is rotatably connected with rotating shaft 13, hatch 2 one side is fixedly connected with the two ends of rotating shaft 13, first recess 15 is set in the position close to the middle of rotating shaft 13 of door frame 1, connecting rope 16 is provided on the outer wall of the middle of rotating shaft 13, the position close to first recess 15 of hatch 2 one side is fixedly connected with tension spring 14, the one end of connecting rope 16 is fixedly connected with the one end of tension spring 14, the top of the inner wall of door frame 1 is provided with mounting groove 10, the position close to rotating shaft 13 in mounting groove 10 is provided with gear 6, the position close to gear 6 in the inner wall of mounting groove 10 is slidably connected with rack 8, gear 6 is engaged with rack 8, the one end of rack 8 away from gear 6 is fixedly connected with matching block 9, the position close to gear 6 in the inside of mounting groove 10 is fixedly connected with spring 7.
[0028] As an optional technical scheme of the utility model, the position close to the two ends of rotating shaft 13 of door frame 1 is provided with second recess 17, the two ends of hatch 2 one side respectively extend into the inside of two second recesses 17, and are respectively fixedly connected with the two ends of rotating shaft 13, by using the scheme, hatch 2 can be rotatably connected with door frame 1 using rotating shaft 13, so that hatch 2 can be rotatably opened and closed.
[0029] As an optional technical scheme of the utility model, the position close to tension spring 14 of hatch 2 one side is fixedly connected with protective shell 11, and tension spring 14 is located in the inside of protective shell 11, and one end is fixedly connected with the inner wall of protective shell 11, the one end of connecting rope 16 extends into the inside of protective shell 11 and is fixedly connected with the one end of tension spring 14, and the other end of connecting rope 16 is wound on the middle of rotating shaft 13, by using the scheme, when hatch 2 is rotatably opened, rotating shaft 13 rotates, and connecting rope 16 is continuously wound on the outer wall of rotating shaft 13, when hatch 2 is rotated to a certain angle, connecting rope 16 starts to pull tension spring 14, provides certain resistance for the opening of hatch 2, reduces and limits the opening speed of hatch 2, prevents hatch 2 from being suddenly opened by violence and being damaged, and provides certain buffer space for the opening of hatch 2.
[0030] As an optional technical scheme of the utility model, the position close to rotating shaft 13 in the inner wall of mounting groove 10 is rotatably connected with two transmission wheels 5, the outer wall of two transmission wheels 5 is provided with synchronous belt 4, the one side of one of two transmission wheels 5 is fixedly connected with the one end of rotating shaft 13, and the one side of the other of two transmission wheels 5 is fixedly connected with the one side of gear 6, by using the scheme, when rotating shaft 13 rotates, transmission wheel 5 rotates, and transmission wheel 5 can drive synchronous belt 4 and gear 6 to rotate simultaneously, to provide power for the rotation of gear 6.
[0031] As an optional technical solution of this utility model, a strip-shaped groove 12 is provided on the inner wall of the mounting groove 10 near the rack 8. A strip-shaped slider 3 is fixedly connected to one side of the rack 8. The strip-shaped groove 12 and the strip-shaped slider 3 are slidably connected. By using this solution, the rack 8 can be slidably connected to the mounting groove 10 through the strip-shaped groove 12 and the strip-shaped slider 3, which limits the rack 8 so that the rack 8 can only move linearly and repeatedly inside the mounting groove 10.
[0032] As an optional technical solution of this utility model, one end of the spring 7 faces the mating block 9, the mating block 9 corresponds to the spring 7, and there is a distance between the spring 7 and the mating block 9. By using this solution, when the rack 8 moves, it can drive the mating block 9 away from or closer to the spring 7. When the hatch 2 is about to be fully closed, it can drive the mating block 9 to hit the spring 7, and the spring 7 will contract, thus buffering the closing of the hatch 2.
[0033] The following steps are required when using this type of ship hatch buffer mechanism:
[0034] 1) When hatch 2 is opened by rotation, shaft 13 rotates accordingly;
[0035] 2) The connecting rope 16 begins to pull the tension spring 14, providing a certain resistance to the opening of the hatch 2, reducing and limiting the opening speed of the hatch 2;
[0036] 3) When the hatch 2 is about to be fully closed, it drives the mating block 9 to strike the spring 7, and the spring 7 contracts, which buffers the closing of the hatch 2.
[0037] In summary, when the user operates the device, as the hatch 2 rotates and opens, the shaft 13 rotates accordingly, causing the connecting rope 16 to continuously wrap around the outer wall of the shaft 13. When the hatch 2 rotates to a certain angle, the connecting rope 16 begins to pull the tension spring 14, providing a certain resistance to the opening of the hatch 2, reducing and limiting the opening speed of the hatch 2, preventing the hatch 2 from being suddenly and violently opened and causing damage, and providing a certain buffer space for the opening of the hatch 2. Finally, when the shaft 13 rotates, it drives the transmission wheel 5 to rotate, which in turn drives the synchronous belt 4 and the gear 6 to rotate simultaneously, providing power for the rotation of the gear 6. The gear 6 meshes with the rack 8. When the rack 8 moves, it drives the mating block 9 to move away from or closer to the spring 7. When the hatch 2 is about to be completely closed, it drives the mating block 9 to strike the spring 7, causing the spring 7 to contract, thus buffering the closing of the hatch 2.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A ship hatch door cushioning mechanism, characterized by: The utility model provides a door frame (1) is provided with the hatch (2) inside, the inner wall one side of door frame (1) is rotatably connected with the pivot (13), the hatch (2) one side is fixedly connected with the both ends of pivot (13), the first recess (15) is set up in the position of door frame (1) near pivot (13) middle part, the outer wall of pivot (13) middle part is provided with connecting rope (16), the hatch (2) one side near the position of first recess (15) is fixedly connected with the tension spring (14), the one end of connecting rope (16) is fixedly connected with the one end of tension spring (14), the top of the inner wall of door frame (1) is provided with the mounting groove (10), the inside of mounting groove (10) is provided with the gear (6) near the position of pivot (13), the inner wall of mounting groove (10) is provided with the rack (8) near the position of gear (6), the gear (6) is engaged with rack (8), the one end of rack (8) away from gear (6) is fixedly connected with the matching block (9), the inside of mounting groove (10) is fixedly connected with spring (7) near the position of gear (6).
2. A ship hatch door cushioning mechanism according to claim 1, characterized in that: The utility model discloses a door frame (1) is provided with the hatch (2) inside, the inner wall one side of door frame (1) is rotatably connected with the pivot (13), the hatch (2) one side is fixedly connected with the both ends of pivot (13), the first recess (15) is set up in the position of door frame (1) near pivot (13) middle part, the outer wall of pivot (13) middle part is provided with connecting rope (16), the hatch (2) one side near the position of first recess (15) is fixedly connected with the tension spring (14), the one end of connecting rope (16) is fixedly connected with the one end of tension spring (14), the top of the inner wall of door frame (1) is provided with the mounting groove (10), the inside of mounting groove (10) is provided with the gear (6) near the position of pivot (13), the inner wall of mounting groove (10) is provided with the rack (8) near the position of gear (6), the gear (6) is engaged with rack (8), the one end of rack (8) away from gear (6) is fixedly connected with the matching block (9), the inside of mounting groove (10) is fixedly connected with spring (7) near the position of gear (6).
3. A ship hatch door cushioning mechanism according to claim 2, characterised in that: The utility model discloses a door frame (1) is provided with the hatch (2) inside, the inner wall one side of door frame (1) is rotatably connected with the pivot (13), the hatch (2) one side is fixedly connected with the both ends of pivot (13), the first recess (15) is set up in the position of door frame (1) near pivot (13) middle part, the outer wall of pivot (13) middle part is provided with connecting rope (16), the hatch (2) one side near the position of first recess (15) is fixedly connected with the tension spring (14), the one end of connecting rope (16) is fixedly connected with the one end of tension spring (14), the top of the inner wall of door frame (1) is provided with the mounting groove (10), the inside of mounting groove (10) is provided with the gear (6) near the position of pivot (13), the inner wall of mounting groove (10) is provided with the rack (8) near the position of gear (6), the gear (6) is engaged with rack (8), the one end of rack (8) away from gear (6) is fixedly connected with the matching block (9), the inside of mounting groove (10) is fixedly connected with spring (7) near the position of gear (6).
4. A ship hatch door cushioning mechanism according to claim 3, wherein: The utility model discloses a door frame (1) is provided with the hatch (2) inside, the inner wall one side of door frame (1) is rotatably connected with the pivot (13), the hatch (2) one side is fixedly connected with the both ends of pivot (13), the first recess (15) is set up in the position of door frame (1) near pivot (13) middle part, the outer wall of pivot (13) middle part is provided with connecting rope (16), the hatch (2) one side near the position of first recess (15) is fixedly connected with the tension spring (14), the one end of connecting rope (16) is fixedly connected with the one end of tension spring (14), the top of the inner wall of door frame (1) is provided with the mounting groove (10), the inside of mounting groove (10) is provided with the gear (6) near the position of pivot (13), the inner wall of mounting groove (10) is provided with the rack (8) near the position of gear (6), the gear (6) is engaged with rack (8), the one end of rack (8) away from gear (6) is fixedly connected with the matching block (9), the inside of mounting groove (10) is fixedly connected with spring (7) near the position of gear (6).
5. A ship hatch door cushioning mechanism according to claim 4, characterised in that: 6. A ship hatch door cushioning mechanism according to claim 5, wherein: