Limiting mechanism for large-dip-angle side opening door of ship

By designing a ship's large inclination side door opening limit mechanism including a support device and a slide rail device, the problems of complex side door opening limit structure, poor stability and high operation difficulty in the prior art are solved, and the effects of high stability and convenient operation are achieved.

CN223018412UActive Publication Date: 2025-06-24WUXI DONGFANG HIGH SPEEDCRAFT DEV CO LTD
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Patent Information

Application Number
CN202421678946.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-24
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The limit structure of existing ships' side doors is complex, and the stability is poor after opening the side doors, which is difficult to operate, making it difficult to meet the high requirements of modern ships for hatch performance.

Method used

A limiting mechanism for opening the side door of the ship with a large inclination angle is designed, including a supporting support device and a slide rail device. The support device passes through a fixed end and a sliding end, and the slide rail device passes through a sliding groove, a sliding groove and a limit groove to achieve limiting support and convenient closing of the side door.

Benefits of technology

It improves the stability and operation convenience of the ship's large inclination side door, ensures that the side door is supported and fixed by limit when opening, and is convenient to operate when closed, and has high economic and stability.

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Abstract

The utility model discloses a limiting mechanism for a large-dip-angle side opening door of a ship, a supporting device comprises a supporting main body part, the supporting main body part is provided with a fixed end and a sliding end, a sliding rail device comprises a sliding rail main body part, the sliding rail main body part comprises a sliding groove, a sliding groove and a limiting groove, the fixed end is fixed on a door leaf, and the sliding rail device is fixed on a doorsill or a floor. When the side opening door is closed, the sliding end slides into the sliding groove, when the side opening door is opened, the sliding end slides into the limiting groove to be limited, the supporting device body supports the side opening door body, and the supporting force direction of the supporting device is consistent with the external force direction of the side opening door. According to the limiting mechanism for the side door of the ship, the side door is fixed by the limiting support when opened, when the side door needs to be closed, limiting of the limiting groove can be relieved by applying force opposite to the supporting force by a person, the side door can be conveniently closed, and the limiting mechanism for the side door of the ship is simple in structure, convenient to operate, high in stability after the side door is opened and high in economical efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of shipbuilding, and particularly relates to a limiting mechanism for a large-inclination side door of a ship. Background Art

[0002] With the continuous development of the shipping industry, ship design is increasingly tending towards being large-scale, intelligent, and complex. Among them, the stability and safety of the side door of a ship are crucial for the normal operation of the ship and the safety of personnel. Traditional side door fixing devices often have problems such as insufficient stability and complex operation, and it is difficult to meet the high requirements of modern ships for the performance of the hatch door.

[0003] Chinese Patent No. 202211201692.7, a retractable door stopper for a ship hatch door, discloses a retractable door stopper for a ship hatch door, which includes a door stopper end, a telescopic rod, a mounting seat, and a positioning seat that cooperates with the door stopper end; the door stopper end is installed at one end of the telescopic rod, and the other end of the telescopic rod is movably installed on the mounting seat through a pin shaft. The telescopic rod can rotate up and down relative to the mounting seat, and the rotation angle is in the range of 90 degrees between the horizontal and vertical directions; a hook is provided on the door stopper end, and when the telescopic rod rotates relative to the mounting seat to the horizontal position, the hook can be connected to the positioning seat. The retractable door stopper for a ship hatch door of the present invention can perform length expansion and contraction as needed after the hatch door is opened to achieve temporary fixation of the door panel; when the door needs to be closed, the door stopper can be retracted, which will not affect normal passage and is convenient to use.

[0004] The above-mentioned ship hatch door stopper has a complex structure, inconvenient operation, and poor stability, and it is difficult to meet the safety and stability of the ship during navigation.

[0005] Therefore, the present application proposes a new limiting structure for a large-inclination side door of a ship, aiming to improve the stability of the large-inclination side door of the ship after it is opened, reduce the operation difficulty, and enhance the overall safety of the ship. Summary of the Utility Model

[0006] In view of the problems in the related art, the present application discloses a limiting mechanism for a large-inclination side door of a ship, which solves the problems of complex structure of the limiting structure for a large-inclination side door of a ship, poor stability after the side door is opened, and high operation difficulty in the related art.

[0007] To achieve the above object, the present application provides the following technical solutions:

[0008] A limiting mechanism for a large-angle side door of a ship, comprising a supporting device and a sliding rail device that are matched. The supporting device includes a supporting main body part. One end of the supporting main body part is provided with a fixed end, and the other end of the supporting main body part is provided with a sliding end. The sliding rail device includes a sliding rail main body part. The sliding rail main body part includes a sliding groove. One end of the sliding groove is communicated with a sliding slot, and the other end of the sliding groove is communicated with a limiting slot. The sliding end slides in the sliding groove. When the side door is closed, the sliding end slides into the sliding slot. When the side door is opened, the sliding end slides into the limiting slot and is limited, and the side door is supported and fixed by the limit.

[0009] As a further solution of the present application: The supporting main body part is rod-shaped.

[0010] As a further solution of the present application: The fixed end includes a fixed rod. A fixed hole is provided at the top of the fixed rod. The fixed end is provided with a fixed seat in a matching manner. Symmetrically arranged fixing plates are provided on the fixed seat. A fixed shaft is provided at the center of the fixing plate. The fixed shaft passes through the fixed hole. The fixed end is fixed by the fixed seat, and the fixed end realizes rotational movement through the cooperation of the fixed hole and the fixed shaft.

[0011] As a further solution of the present application: The sliding end includes a sliding rod. A sliding block is provided on the sliding rod. The sliding block can move along the sliding groove track. A limiting block is provided at the lower part of the sliding block. The width of the limiting block is greater than the width of the sliding groove. The inside of the sliding groove is in a cavity shape. The limiting block is located inside the sliding groove, and the limiting block realizes the limitation between the sliding end and the sliding groove.

[0012] As a further solution of the present application: External threads are provided at the top of the sliding rod. An adjusting tube is provided in a matching manner at the top of the sliding rod. Internal threads matching the external threads are provided inside the adjusting tube. The inside of the adjusting tube is threadedly and adjustably connected to the sliding rod. The sliding block and the limiting block are provided outside the adjusting tube.

[0013] As a further solution of the present application: A fastening nut is provided on the sliding rod. The fastening nut is threadedly and adjustably connected to the external threads of the sliding rod. The adjusting tube is provided outside the fastening nut.

[0014] As a further solution of the present application: The sliding slot is circular, and the diameter of the sliding slot is greater than the width of the sliding groove.

[0015] As a further solution of the present application: The limiting slot includes a transition track. One end of the transition track is communicated with the sliding groove, and the other end of the transition track is communicated with a clamping hole.

[0016] As a further solution of the present application: The center line of the transition track forms an acute angle with the center line of the sliding groove, and the transition track is inclined upward relative to the sliding groove.

[0017] In summary, the beneficial effects of the present application are as follows:

[0018] 1. The limiting mechanism for the large-angle side opening door of a ship includes a supporting device and a sliding rail device that are matched. The supporting device includes a supporting main body part, and the supporting main body part is provided with a fixed end and a sliding end. The sliding rail device includes a sliding rail main body part, and the sliding rail main body part includes a sliding groove, a sliding slot, and a limiting slot. The fixed end is fixed to the door leaf, the sliding rail device is fixed to the door sill or the floor, the sliding end is snapped into the sliding groove, and the sliding end can slide in the sliding groove. When the side opening door is closed, the sliding end slides into the sliding slot. When the side opening door is opened, the sliding end slides into the limiting slot and is limited. The main body of the supporting device supports the main body of the side opening door, and the direction of the supporting force of the supporting device is consistent with the direction of the external force received by the side opening door, so that the side opening door is limited and supported and fixed when it is opened. When the side opening door needs to be closed, a person applies a force opposite to the supporting force to release the limit of the limiting slot, and the side opening door can be easily closed. This kind of limiting mechanism for the ship side opening door has a simple structure, is easy to operate, has high stability after the side opening door is opened, and has high economy.

[0019] 2. The fixed end is equipped with a fixed seat, and the fixed seat is provided with a fixing plate and a fixed shaft. The fixed shaft passes through the fixing hole, and the fixed end is fixed through the fixed seat. The fixed end realizes rotational movement through the cooperation of the fixing hole and the fixed shaft, and the fixed end drives the supporting device to rotate, efficiently realizing the movement of the moving end in the sliding groove and realizing the efficient opening and closing of the side opening door.

[0020] 3. The sliding end includes a sliding rod, a sliding block, and a limiting block. The connection angles of the sliding block and the limiting block with the sliding rod can be adaptively designed according to the actual installation and sliding angles. The sliding block can move along the sliding groove track. A limiting block is provided at the lower part of the sliding block, and the width of the limiting block is greater than the width of the sliding groove. The inside of the sliding groove is cavity-shaped, and the limiting block is located inside the sliding groove. The limiting block realizes the limitation of the sliding end and the sliding groove. This kind of sliding structure has a simple structure and high running stability.

[0021] 4. The top end of the sliding rod is provided with an external thread, and an adjusting pipe is provided in a matching manner at the top end of the sliding rod. The inside of the adjusting pipe is threadedly adjustablely connected with the sliding rod. The outside of the adjusting pipe is provided with a sliding block and a limiting block. A fastening nut is provided on the sliding rod, and the adjusting pipe is provided outside the fastening nut. By rotating the adjusting pipe, the length of the supporting device can be extended or shortened to adapt to different installation environments, improving the adaptation range of this limiting mechanism. The fastening nut can be locked and fastened after the adjustment of the adjusting pipe is in place, improving the stability of the supporting device.

[0022] 5. The diameter of the sliding slot is greater than the width of the sliding groove, improving the movement range of the sliding end in the sliding slot and improving the smoothness of the movement.

[0023] 6. The limiting groove includes a transition track and a clamping hole. The center line of the transition track forms an acute angle with the center line of the sliding groove. The transition track slopes upward relative to the sliding groove. The transition track can smoothly introduce the sliding end into the clamping hole. The clamping hole is arranged offset from the sliding groove. One end of the supporting device is clamped into the clamping hole and the other end is fixed to the door leaf. The supporting device realizes the supporting, limiting and fixing of the side-opening door. When the door leaf is reversely stressed by the supporting force, the sliding end moves out of the clamping hole, and the sliding end slides into the sliding groove along the transition track, pushing the sliding end of the door leaf to the sliding slot to realize the closing of the side-opening door. This structure is simple, easy to operate and has strong structural stability. Description of the Drawings

[0024] The drawings are used to provide a further understanding of the present application and constitute a part of the specification. They are used together with the embodiments of the present application to explain the present application and do not constitute a limitation to the present application.

[0025] In the drawings:

[0026] Figure 1 It is a schematic diagram of the installation position relationship between the limiting mechanism and the side-opening door in the present application.

[0027] Figure 2 It is a schematic diagram of the structure of the supporting device of the present application.

[0028] Figure 3 It is a schematic diagram of the structure of the slide rail device of the present application.

[0029] Annotation of the reference numerals:

[0030] 1. Supporting main body part; 11. Fixed rod; 12. Fixed seat; 13. Fixed plate; 14. Fixed shaft; 15. Sliding rod; 16. Sliding block; 17. Limiting block; 18. Adjusting tube; 19. Tightening nut; 2. Slide rail main body part; 21. Sliding groove; 22. Sliding slot; 23. Transition track; 24. Clamping hole; 3. Door leaf; 4. Threshold; Detailed Description of the Embodiments

[0031] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application disclosed as detailed in the appended claims.

[0032] It should be noted that all directional indicators (such as up, down, left, right, front, back...) in the embodiments are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture (as shown in the attached drawings). If the specific posture changes, the directional indicators will also change accordingly.

[0033] In addition, in the embodiments, descriptions such as "first" and "second" are only for descriptive purposes, not specifically referring to the order or sequence, nor are they used to limit this application. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0034] To further understand the content, features, and effects of this application, the following embodiments are exemplified and described in detail in conjunction with the attached drawings as follows:

[0035] As Figures 1-3 shown:

[0036] The limiting mechanism of the large-angle side-opening door of a ship includes a supporting device and a sliding rail device that are matched.

[0037] Among them, the supporting device includes a supporting main body 1. One end of the supporting main body 1 is provided with a fixed end, and the other end of the supporting main body 1 is provided with a sliding end.

[0038] The sliding rail device includes a sliding rail main body 2. The sliding rail main body 2 includes a sliding groove 21. One end of the sliding groove 21 is communicated with a sliding slot 22, and the other end of the sliding groove 21 is communicated with a limiting slot.

[0039] As Figure 1 shown, the fixed end is fixed to the door leaf 3. A plurality of screw holes are provided around the sliding rail device. The sliding rail device is horizontally fixed to the upper end of the door sill 4 by matching the screw holes with screws. The sliding end is snapped into the sliding groove 21, and the sliding end can slide in the sliding groove 21. When the side-opening door is closed, the sliding end slides into the sliding slot 22. When the side-opening door is opened, the sliding end slides into the limiting slot and is limited. The main body of the supporting device supports the main body of the side-opening door. The direction of the supporting force of the supporting device is the same as the direction of the external force received by the side-opening door, so that the side-opening door is limited and supported and fixed when it is opened. When the side-opening door needs to be closed, a person applies a force opposite to the supporting force to release the limit of the limiting slot, and the side-opening door can be easily closed. This kind of limiting mechanism for the ship side-opening door has a simple structure, is easy to operate, has high stability after the side-opening door is opened, and has high economy.

[0040] Of course, the sliding rail device can be fixed to the floor surface.

[0041] Preferably, the supporting main body 1 is rod-shaped, and the rod-shaped supporting main body has high supportability and easy operability.

[0042] Preferably, the fixed end includes a fixed rod 11. A fixing hole is provided at the top of the fixed rod 11. A fixed seat 12 is provided in a supporting manner for the fixed end. Symmetrically arranged fixing plates 13 are provided on the fixed seat 12. A fixed shaft 14 is provided at the center of the fixing plates 13. The fixed shaft 14 passes through the fixing hole. The fixed end is fixed through the fixed seat 12, and the fixed end realizes rotational movement through the cooperation of the fixing hole and the fixed shaft 14.

[0043] The sliding end includes a sliding rod 15. A sliding block 16 is provided on the sliding rod 15. The sliding block 16 can move along the track of the sliding groove 21. A limiting block 17 is provided at the lower part of the sliding block 16. The width of the limiting block 17 is greater than the width of the sliding groove 21. The inside of the sliding groove 21 is in a cavity shape. The limiting block 17 is located inside the sliding groove 21, and the limiting block 17 realizes the limitation between the sliding end and the sliding groove 21.

[0044] External threads are provided at the top of the sliding rod 15. An adjusting tube 18 is provided in a supporting manner for the top of the sliding rod 15. Internal threads matching the external threads are provided inside the adjusting tube 18. The inside of the adjusting tube 18 is in a thread-adjustable connection with the sliding rod 15. The sliding block 16 and the limiting block 17 are provided outside the adjusting tube 18.

[0045] A fastening nut 19 is provided on the sliding rod 15. The fastening nut 19 is in an externally thread-adjustable connection with the sliding rod 15. The adjusting tube 18 is provided outside the fastening nut 19.

[0046] In addition, the sliding groove 22 is circular, and the diameter of the sliding groove 22 is greater than the width of the sliding groove 21.

[0047] The limiting groove includes a transition track 23. One end of the transition track 23 is communicated with the sliding groove 21. A clamping hole 24 is communicated with the other end of the transition track 23. The center line of the transition track 23 forms an acute angle with the center line of the sliding groove 21. The transition track 23 is inclined upward relative to the sliding groove 21, and the clamping hole 24 is arranged in a dislocation manner with the sliding groove 21.

[0048] In practical applications:

[0049] The limiting mechanism of the large-angle side-opening door of a ship includes a supporting device and a sliding rail device. The supporting device includes a supporting main body 1, and the supporting main body 1 is provided with a fixed end and a sliding end. The sliding rail device includes a sliding rail main body 2, and the sliding rail main body 2 includes a sliding groove 21, a sliding slot 22 and a limiting slot. The fixed end is fixed to the door leaf 3, and the sliding rail device is fixed to the door sill 4 or the floor. The sliding end is clamped into the sliding groove 21 and can slide in the sliding groove 21. When the side-opening door is closed, the sliding end slides into the sliding slot 22. When the side-opening door is opened, the sliding end slides into the limiting slot and is limited. The main body of the supporting device supports the main body of the side-opening door, and the direction of the supporting force of the supporting device is consistent with the direction of the external force received by the side-opening door, so that the side-opening door is limited and supported and fixed when it is opened. When the side-opening door needs to be closed, a person applies a force opposite to the supporting force to release the limit of the limiting slot, and the side-opening door can be easily closed. This kind of limiting mechanism for the ship side-opening door has a simple structure, is easy to operate, has high stability after the side-opening door is opened, and has high economy.

[0050] The fixed end is equipped with a fixed seat 12, and the fixed seat 12 is provided with a fixing plate 13 and a fixed shaft 14. The fixed shaft 14 passes through the fixing hole, and the fixed end is fixed through the fixed seat 12. The fixed end realizes rotational movement through the cooperation of the fixing hole and the fixed shaft 14, and the fixed end drives the supporting device to rotate, efficiently realizing the movement of the mobile end in the sliding groove 21 and realizing the efficient opening and closing of the side-opening door.

[0051] The sliding end includes a sliding rod 15, a sliding block 16 and a limiting block 17. The connection angles between the sliding block 16 and the limiting block 17 and the sliding rod 15 can be adaptively designed according to the actual installation and sliding angles. The sliding block 16 can move along the track of the sliding groove 21. A limiting block 17 is provided at the lower part of the sliding block 16. The width of the limiting block 17 is greater than the width of the sliding groove 21. The inside of the sliding groove 21 is cavity-shaped, and the limiting block 17 is located inside the sliding groove 21. The limiting block 17 realizes the limitation between the sliding end and the sliding groove 21. This kind of sliding structure has a simple structure and high running stability.

[0052] The top end of the sliding rod 15 is provided with an external thread, and an adjusting tube 18 is provided in a matching manner at the top end of the sliding rod 15. The inside of the adjusting tube 18 is threadedly and adjustably connected with the sliding rod 15. The outside of the adjusting tube 18 is provided with a sliding block 16 and a limiting block 17. A fastening nut 19 is provided on the sliding rod 15, and the adjusting tube 18 is provided outside the fastening nut 19. By rotating the adjusting tube 18, the length of the supporting device can be extended or shortened to adapt to different installation environments, improving the adaptation range of this limiting mechanism. The fastening nut 19 can be locked and fastened after the adjusting tube 18 is adjusted in place, improving the stability of the supporting device.

[0053] The diameter of the sliding slot 22 is larger than the width of the sliding groove 21, improving the movement range of the sliding end in the sliding slot 22 and improving the smoothness of the movement.

[0054] The limiting groove includes a transition track 23 and a clamping hole 24. The center line of the transition track 23 forms an acute angle with the center line of the sliding groove 21. The transition track 23 slopes upward relative to the sliding groove 21. The transition track 23 can smoothly introduce the sliding end into the clamping hole 24. The clamping hole 24 is arranged in a dislocation manner with the sliding groove 21. One end of the supporting device is clamped into the clamping hole 24 and the other end is fixed to the door leaf 3. The supporting device realizes the supporting, limiting and fixing of the side-opening door. When the door leaf 3 is reversely stressed by the supporting force, the sliding end moves out of the clamping hole 24, and the sliding end slides into the sliding groove 21 along the transition track 23, pushing the sliding end of the door leaf 3 to reach the sliding slot 22, realizing the closing of the side-opening door. This kind of structure is simple, convenient to operate and has strong structural stability.

[0055] Finally, it should be noted that the above disclosure is only the preferred embodiment of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The scope of the present application is only limited by the appended claims.

Claims

1. A limiting mechanism for a ship's large-angle side door, comprising a matching supporting device and a slide rail device, characterized in that: The support device comprises a support body part (1), one end of the support body part (1) is provided with a fixed end, and the other end of the support body part (1) is provided with a sliding end, the slide rail device comprises a slide rail body part (2), the slide rail body part (2) comprises a slide groove (21), one end of the slide groove (21) is connected to a slide groove (22), and the other end of the slide groove (21) is connected to a limit groove, the sliding end slides in the slide groove (21), when the side door is closed, the sliding end slides into the sliding groove (22), when the side door is opened, the sliding end slides into the limit groove and is limited, and the side door is fixed by the limit support.

2. A limiting mechanism for a ship's large-angle side door according to claim 1, characterized in that: The supporting body part (1) is rod-shaped.

3. The limiting mechanism for a ship's large-angle side door according to claim 1, characterized in that: The fixed end comprises a fixed rod (11), a fixing hole is provided at the top end of the fixed rod (11), a fixed seat (12) is provided on the fixed seat (12), a symmetrically arranged fixing plate (13) is provided on the fixing seat (12), a fixing shaft (14) is provided at the center of the fixing plate (13), the fixing shaft (14) passes through the fixing hole, the fixed end is fixed by the fixing seat (12), and the fixed end cooperates with the fixing shaft (14) through the fixing hole to realize rotational movement.

4. The limiting mechanism for a ship's large-angle side door according to claim 1, characterized in that: The sliding end comprises a sliding rod (15), a sliding block (16) is provided on the sliding rod (15), the sliding block (16) can move along the track of the sliding groove (21), a limiting block (17) is provided at the lower part of the sliding block (16), the width of the limiting block (17) is greater than the width of the sliding groove (21), the interior of the sliding groove (21) is in a cavity shape, the limiting block (17) is located inside the sliding groove (21), and the limiting block (17) realizes the limiting of the sliding end and the sliding groove (21).

5. The limiting mechanism for a ship's large-angle side door according to claim 4, characterized in that: The top end of the sliding rod (15) is provided with an external thread, the top end of the sliding rod (15) is matched with an adjusting tube (18), the inside of the adjusting tube (18) is provided with an internal thread matching the external thread, the inside of the adjusting tube (18) is adjustably connected with the sliding rod (15) through a thread, and the outside of the adjusting tube (18) is provided with the sliding block (16) and the limiting block (17).

6. A limiting mechanism for a ship's large-angle side door according to claim 5, characterized in that: The sliding rod (15) is provided with a fastening nut (19), the fastening nut (19) is adjustably connected to the external thread of the sliding rod (15), and the adjusting tube (18) is provided on the outside of the fastening nut (19).

7. The limiting mechanism for a ship's large-angle side door according to claim 1, characterized in that: The sliding groove (22) is circular, and the diameter of the sliding groove (22) is greater than the width of the sliding groove (21).

8. The limiting mechanism for a ship's large-angle side door according to claim 1, characterized in that: The limiting groove comprises a transition track (23), one end of the transition track (23) is connected to the slide groove (21), and the other end of the transition track (23) is connected to a locking hole (24).

9. A limiting mechanism for a ship's large-angle side door according to claim 8, characterized in that: The center line of the transition track (23) forms an acute angle with the center line of the slide groove (21), and the transition track (23) is inclined upward relative to the slide groove (21).

Citation Information

Patent Citations

  • Retractable door stopper for ship's hatch

    CN115680401B