CN114408092B - Close cabin side door structure - Google Patents
Close cabin side door structure Download PDFInfo
- Publication number
- CN114408092B CN114408092B CN202210060411.4A CN202210060411A CN114408092B CN 114408092 B CN114408092 B CN 114408092B CN 202210060411 A CN202210060411 A CN 202210060411A CN 114408092 B CN114408092 B CN 114408092B
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- door
- main
- connecting rod
- hinged
- opening
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 238000011835 investigation Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/08—Ports or like openings in vessels' sides or at the vessels' bow or stern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/12—Hatches; Hatchways
- B63B19/26—Gaskets; Draining means
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to the technical field of ships, in particular to a close cabin side door structure, which comprises a door frame, wherein the door frame is configured to be fixedly arranged on a ship body; the side-by-side combination door comprises a first lower door and a second lower door, wherein the first lower door and the second lower door are hinged with two opposite sides of the door frame; the first opening and closing assembly is connected with the first lower door and used for driving the first lower door to open or close, and the second opening and closing assembly is connected with the second lower door and used for driving the second lower door to open or close; the main door is hinged with the upper end of the door frame, and the lower end of the main door can be connected with the upper end of the side-by-side combination door in a sealing way; the main opening and closing assembly is connected with the main door and used for driving the main door to be opened or closed. The invention can reduce the labor intensity of crews in the opening and closing process.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a close cabin side door structure.
Background
The exploration of ocean resources is basically carried out by various scientific investigation ships, and various scientific investigation equipment such as LARS and ROV systems and the like are installed on the ships. The scientific examination equipment of the scientific examination system is generally stored in a cabin, and the use is prevented from being influenced by damage to the scientific examination equipment due to open-air storage and offshore severe environments through the protection of a ship cabin structure.
The superstructures of the scientific ships currently being operated or built are generally arranged at the head of the ship, so that the scientific equipment is also arranged in the cabin room of the head. When the device is needed to be used, the device is automatically transported out of a cabin room, is operated to be put down to sea for use, and is automatically recovered and stored after the operation is finished. However, the ship cabin built is of a weather-tight structure, and the scientific equipment is moved out of the side-lowering and recovering process, so that the side of the ship is required to be provided with a side door. The existing scientific investigation equipment is complex in appearance and large in volume, so that the side door is large in size and heavy in weight, and labor intensity of crews is high in the opening and closing processes.
Therefore, a close-cabin side door structure is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a close cabin side door structure which can reduce labor intensity of crews in the opening and closing processes.
To achieve the purpose, the invention adopts the following technical scheme:
a close-cabin side door structure comprising:
a door frame configured to be fixedly disposed on a hull;
the side-by-side combination door comprises a first lower door and a second lower door, wherein the first lower door and the second lower door are hinged with two opposite sides of the door frame;
the first opening and closing assembly is connected with the first lower door and used for driving the first lower door to open or close, and the second opening and closing assembly is connected with the second lower door and used for driving the second lower door to open or close;
the main door is hinged with the upper end of the door frame, and the lower end of the main door can be connected with the upper end of the side-by-side combination door in a sealing way;
the main opening and closing assembly is connected with the main door and used for driving the main door to be opened or closed.
Further, the main door comprises an upper door and a middle door, one end of the upper door is hinged with the upper end of the door frame, and the middle door is hinged with the other end of the upper door.
Further, the middle door is rotatably provided with rollers towards one side of the door frame, two sides of the door frame are provided with guide rails, and the rollers are arranged in the guide rails in a rolling mode.
Further, the first opening and closing assembly comprises a first everting oil cylinder and a first connecting rod assembly, the first everting oil cylinder is rotatably arranged on the ship body, a piston rod of the first everting oil cylinder is hinged with the first connecting rod assembly, and the first connecting rod assembly is connected with the first lower door.
Further, the first connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod which are hinged in sequence, one end of the first connecting rod, which is far away from the second connecting rod, is hinged with the door frame, one end of the third connecting rod, which is far away from the second connecting rod, is fixedly connected with the first lower door, and a piston rod of the first everting cylinder is hinged with the first connecting rod.
Further, the second opening and closing assembly comprises a second everting oil cylinder and a second connecting rod assembly, the second everting oil cylinder is rotatably arranged on the ship body, a piston rod of the second everting oil cylinder is hinged with the second connecting rod assembly, and the second connecting rod assembly is connected with the second lower door.
Further, the main opening and closing assembly comprises a main everting oil cylinder, one end of the main everting oil cylinder is hinged with the ship body, and a piston rod of the main everting oil cylinder is hinged with the main door.
Further, a sealing strip is arranged at one end of the main door facing the opposite-opening door, an abutting piece is arranged on the opposite-opening door, and the abutting piece can be abutted with the sealing strip to realize sealing.
Further, the door frame is provided with a first locking pin device and a second locking pin device, wherein the first locking pin device is arranged between the main door and the door frame and used for fixing the main door and the door frame, and the second locking pin device is arranged between the first lower door and the second lower door and used for closing the first lower door and the second lower door.
Further, the lower end of the door frame is provided with a water leakage pipe.
The invention has the beneficial effects that:
according to the close cabin side door structure, the door frame is fixedly arranged on the ship body, the side by side door comprising the first lower door and the second lower door is arranged on the door frame, the first lower door is opened or closed through the first opening and closing assembly, the second lower door is opened or closed through the second opening and closing assembly, the main door is hinged with the upper end of the door frame, the lower end of the main door can be connected with the side by side door in a sealing mode, and the main door is opened or closed through the main opening and closing assembly. By the mode, the close cabin side door is divided into the main door, the first lower door and the second lower door, and in the opening process, the close cabin side door can be fully opened or a part of doors can be opened according to actual needs, so that the flexibility of opening the door is realized; and automation is realized in the process of opening and closing the door, so that the labor intensity of a crew is reduced.
Drawings
FIG. 1 is a front view of a first view of a side door structure of a capsule of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a view B-B of FIG. 1;
FIG. 5 is a front view of a second view of a side door structure of the present invention;
FIG. 6 is a schematic illustration of the opening of the main door in a close-cabin side door configuration of the present invention;
FIG. 7 is a schematic illustration of the opening of a first lower door and a second lower door in a side door arrangement of a cabin;
FIG. 8 is a schematic view showing the closing of the first lower door and the second lower door in the side door structure of the cabin.
In the figure:
1. a door frame; 11. a guide rail; 12. a limit seat; 13. a water leakage pipe; 2. a first lower door; 21. a third detent means; 22. a first everting cylinder; 23. a first link assembly; 231. a first connecting rod; 232. a second connecting rod; 233. a third connecting rod; 3. a second lower door; 31. a fourth detent means; 32. a second everting cylinder; 33. a second link assembly; 4. a main door; 41. a door is arranged; 42. a middle door; 421. a sealing strip; 422. a roller; 43. a main everting cylinder; 5. an abutment; 6. a first detent means; 61. a first cylinder; 62. a first lock pin; 7. a second detent means; 71. a second cylinder; 72. a connecting rod; 73. a second lock pin; 8. and fifth detent means.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
When ocean scientific investigation is carried out, scientific investigation equipment moves out of the side lowering and recycling process, and a side door is required to be arranged on the side of the ship. The existing scientific investigation equipment is complex in appearance and large in volume, so that the side door is large in size and heavy in weight, and labor intensity of crews is high in the opening and closing processes.
In order to solve the above problems, the present invention provides a close-cabin side door structure as shown in fig. 1 to 8. The close cabin side door structure comprises a door frame 1, a side-by-side door, a first opening and closing component, a second opening and closing component, a main door 4 and a main opening and closing component.
Wherein the door frame 1 is configured to be fixedly provided on an upper structure of the hull; the side-by-side combination door comprises a first lower door 2 and a second lower door 3, and the first lower door 2 and the second lower door 3 are hinged with two opposite sides of the door frame 1; the first opening and closing assembly is connected with the first lower door 2 and used for driving the first lower door 2 to open or close, and the second opening and closing assembly is connected with the second lower door 3 and used for driving the second lower door 3 to open or close; the main door 4 is hinged with the upper end of the door frame 1, and the lower end of the main door 4 can be connected with the upper end of the side-by-side combination door in a sealing way; the main opening and closing assembly is connected with the main door 4 and is used for driving the main door 4 to be opened or closed.
By the mode, the close cabin side door is divided into the main door 4, the first lower door 2 and the second lower door 3, and in the opening process, the close cabin side door can be fully opened or partially opened according to actual needs, so that the flexibility of opening the door is realized; and automation is realized in the process of opening and closing the door, so that the labor intensity of a crew is reduced.
Further, the main door 4 includes an upper door 41 and a middle door 42, one end of the upper door 41 is hinged with the upper end of the door frame 1, and the middle door 42 is hinged with the other end of the upper door 41. When the main door 4 is opened, the upper door 41 is rotated outwardly, and the middle door 42 is folded with respect to the main door 4, thereby realizing the opening of the main door 4. By the mode, the opening area of the main door 4 can be reduced, and the main door 4 and the side-by-side door are matched to realize door closing when the door is closed.
Specifically, the middle door 42 is rotatably provided with a roller 422 toward one side of the door frame 1, both sides of the door frame 1 are fixedly provided with guide rails 11, and the roller 422 is rollingly provided in the guide rails 11. In the process of opening the main door 4, the upper door 41 drives the middle door 42 to move, and the middle door 42 ascends along the guide rail 11, so that the main door 4 is stable, safe and reliable in the process of opening.
Further, in order to prevent inflow of rainwater through a gap between the upper door 41 and the middle door 42, a sealing structure is provided at a hinge of the upper door 41 and the middle door 42. Specifically, a sealing rubber strip is provided at one end of the upper door 41 facing the middle door 42, a sealing flat steel is provided on the middle door 42, and when the main door 4 is closed, the sealing flat steel can be abutted against the sealing rubber strip, and a gap between the upper door 41 and the middle door 42 is sealed by deformation of the sealing rubber strip, so that a sealing effect is achieved.
Further, the first opening and closing assembly comprises a first everting oil cylinder 22 and a first connecting rod assembly 23, the first everting oil cylinder 22 is rotatably arranged on the ship body, a piston rod of the first everting oil cylinder 22 is hinged with the first connecting rod assembly 23, and the first connecting rod assembly 23 is connected with the first lower door 2. The first link assembly 23 is driven by the first eversion cylinder 22, so that the first lower door 2 is driven to open or close.
Specifically, the first connecting rod assembly 23 includes a first connecting rod 231, a second connecting rod 232 and a third connecting rod 233 which are sequentially hinged, one end of the first connecting rod 231 far away from the second connecting rod 232 is hinged with the door frame 1, one end of the third connecting rod 233 far away from the second connecting rod 232 is fixedly connected with the first lower door 2, and a piston rod of the first everting cylinder 22 is hinged with the first connecting rod 231. By adopting the link 72 structure, the first lower door 2 is conveniently opened and closed, and the structure is simple, stable and reliable.
Further, the second opening and closing assembly comprises a second eversion oil cylinder 32 and a second connecting rod assembly 33, the second eversion oil cylinder 32 is rotatably arranged on the ship body, a piston rod of the second eversion oil cylinder 32 is hinged with the second connecting rod assembly 33, and the second connecting rod assembly 33 is connected with the second lower door 3. Specifically, the second link assembly 33 is identical to the first link assembly 23, and will not be described in detail herein. The second link assembly 33 is driven by the second eversion cylinder 32, so that the second lower door 3 is opened and closed.
Further, the main opening and closing assembly comprises a main everting oil cylinder 43, one end of the main everting oil cylinder 43 is hinged with the ship body, and a piston rod of the main everting oil cylinder 43 is hinged with the upper door 41 of the main door 4. The upper door 41 is driven to rotate outwards by the main eversion cylinder 43, the upper door 41 drives the middle door 42 to lift, and the middle door moves up to the opening position under the action of the roller 422.
Further, the sealing strip 421 is provided at one end of the main door 4 facing the opposite door, the abutting piece 5 is provided on the opposite door, and the abutting piece 5 can abut against the sealing strip 421 to realize sealing. In this embodiment, the abutting piece 5 is an angle steel, one side of the angle steel is connected with the upper end of the side-by-side door, and the end of the angle steel can abut against the sealing strip 421 to realize sealing between the side-by-side door and the main door 4.
Further, the cabin side door structure further comprises a first locking pin device 6 and a second locking pin device 7, wherein the first locking pin device 6 is arranged between the main door 4 and the door frame 1 and is used for fixing the main door 4 and the door frame 1, and the second locking pin device 7 is arranged between the first lower door 2 and the second lower door 3 and is used for closing the first lower door 2 and the second lower door 3. Specifically, the first lock pin device 6 includes a first oil cylinder 61 and a first lock pin 62, the first oil cylinder 61 is fixedly arranged on the main door 4, a piston rod of the first oil cylinder 61 is connected with the first lock pin 62, and the first lock pin 62 can be driven to move, so that the main door 4 and the door frame 1 are fixed. In order to enhance the strength of fixation, in the present embodiment, the first locking pin means 6 is provided in plurality at intervals along the circumferential direction of the main door 4. The second lock pin device 7 comprises a plurality of second oil cylinders 71 and second lock pins 73, the second lock pins 73 are arranged on the connecting rods 72, the second oil cylinders 71 are fixedly arranged on the first lower doors 2, and piston rods of the second oil cylinders 71 are fixedly connected with the connecting rods 72 and can drive the connecting rods 72 to move, so that the first lower doors 2 and the second lower doors 3 are closed.
In order to be able to open the first lower door 2 or the second lower door 3 according to the actual need, a third locking pin arrangement 21 is provided between the first lower door 2 and the door frame 1, and a fourth locking pin arrangement 31 is provided between the second lower door 3 and the door frame 1. Specifically, the third lock pin device 21 and the fourth lock pin device 31 are identical to the second lock pin device 7 in structure, and will not be described in detail herein.
In order to ensure the closing effect between the main door 4 and the opposite-opening door, a fifth locking pin device 8 is arranged between the main door 4 and the opposite-opening door, and the closing of the main door 4 and the opposite-opening door can be realized by controlling the fifth locking pin device 8, so that the main door 4 and the opposite-opening door form an integrated door structure through the fifth locking pin device 8, and the closing effect of the closed cabin side door structure is ensured.
Further, a stopper 12 is provided at the lower end of the door frame 1, and after the side-by-side doors are opened, the first lower door 2 and the second lower door 3 come into contact with the stopper 12.
Further, the lower end of the door frame 1 is provided with a water leakage pipe 13. The accumulated water at the lower part of the door frame 1 can be discharged well through the water leakage pipe 13.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. A close-cabin side door structure, comprising:
a door frame (1), the door frame (1) being configured to be fixedly arranged on a hull;
the side-by-side combination door comprises a first lower door (2) and a second lower door (3), wherein the first lower door (2) and the second lower door (3) are hinged with two opposite sides of the door frame (1);
the first opening and closing assembly is connected with the first lower door (2) and used for driving the first lower door (2) to be opened or closed, and the second opening and closing assembly is connected with the second lower door (3) and used for driving the second lower door (3) to be opened or closed;
the main door (4) is hinged with the upper end of the door frame (1), and the lower end of the main door (4) can be connected with the upper end of the side-by-side combination door in a sealing way;
the main opening and closing assembly is connected with the main door (4) and is used for driving the main door (4) to be opened or closed;
the main door (4) comprises an upper door (41) and a middle door (42), one end of the upper door (41) is hinged with the upper end of the door frame (1), and the middle door (42) is hinged with the other end of the upper door (41).
2. The close-cabin side door structure according to claim 1, wherein the middle door (42) is rotatably provided with rollers (422) toward one side of the door frame (1), both sides of the door frame (1) are provided with guide rails (11), and the rollers (422) are rollingly provided in the guide rails (11).
3. The close cabin side door structure according to claim 1, wherein the first opening and closing assembly comprises a first eversion cylinder (22) and a first connecting rod assembly (23), the first eversion cylinder (22) is rotatably arranged on the ship body, a piston rod of the first eversion cylinder (22) is hinged with the first connecting rod assembly (23), and the first connecting rod assembly (23) is connected with the first lower door (2).
4. A close-cabin side door structure according to claim 3, wherein the first connecting rod assembly (23) comprises a first connecting rod (231), a second connecting rod (232) and a third connecting rod (233) which are hinged in sequence, one end of the first connecting rod (231) away from the second connecting rod (232) is hinged with the door frame (1), one end of the third connecting rod (233) away from the second connecting rod (232) is fixedly connected with the first lower door (2), and a piston rod of the first everting cylinder (22) is hinged with the first connecting rod (231).
5. The close cabin side door structure according to claim 1, wherein the second opening and closing assembly comprises a second eversion cylinder (32) and a second connecting rod assembly (33), the second eversion cylinder (32) is rotatably arranged on the ship body, a piston rod of the second eversion cylinder (32) is hinged with the second connecting rod assembly (33), and the second connecting rod assembly (33) is connected with the second lower door (3).
6. The close cabin side door structure according to claim 1, wherein the main opening and closing assembly comprises a main everting cylinder (43), one end of the main everting cylinder (43) is hinged with the ship body, and a piston rod of the main everting cylinder (43) is hinged with the main door (4).
7. The side door structure of the cabin according to claim 1, wherein a sealing strip (421) is provided at one end of the main door (4) facing the side-by-side door, an abutting piece (5) is provided on the side-by-side door, and the abutting piece (5) can abut against the sealing strip (421) to realize sealing.
8. The close-cabin side door structure according to claim 1, further comprising a first latch device (6) and a second latch device (7), wherein the first latch device (6) is disposed between the main door (4) and the door frame (1) for realizing the fixation of the main door (4) and the door frame (1), and the second latch device (7) is disposed between the first lower door (2) and the second lower door (3) for realizing the closing of the first lower door (2) and the second lower door (3).
9. A close-cabin side door structure according to claim 1, characterized in that the lower end of the door frame (1) is provided with a water leakage pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060411.4A CN114408092B (en) | 2022-01-19 | 2022-01-19 | Close cabin side door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060411.4A CN114408092B (en) | 2022-01-19 | 2022-01-19 | Close cabin side door structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114408092A CN114408092A (en) | 2022-04-29 |
| CN114408092B true CN114408092B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210060411.4A Active CN114408092B (en) | 2022-01-19 | 2022-01-19 | Close cabin side door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114408092B (en) |
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| CN107264725A (en) * | 2017-06-14 | 2017-10-20 | 福建省马尾造船股份有限公司 | A kind of topside hangar door |
| CN208802109U (en) * | 2018-08-24 | 2019-04-30 | 秦皇岛市星阳船舶配件有限公司 | Weather tight double door sealing structure peculiar to vessel |
| CN109334864A (en) * | 2018-11-26 | 2019-02-15 | 无锡市东舟船舶设备股份有限公司 | A60 grades of airtight of water tightness are double to open fire resistant doorsets |
| CN210217551U (en) * | 2019-05-07 | 2020-03-31 | 云南电网有限责任公司昆明供电局 | Tunnel is patrolled and examined current special use of robot and is prevented fire door |
| CN210555490U (en) * | 2019-06-27 | 2020-05-19 | 上海科得威船舶技术工程有限公司 | Folding watertight door structure |
| CN112252914A (en) * | 2020-09-29 | 2021-01-22 | 无锡宏盟海洋科技有限公司 | Weather-tight hydraulic sliding double-door |
| CN112302461A (en) * | 2020-10-26 | 2021-02-02 | 山东吉鲁汽车改装有限公司 | Hydraulic rear door opening and closing mechanism and vehicle comprising same |
| CN112693558A (en) * | 2020-12-31 | 2021-04-23 | 无锡市东舟船舶设备股份有限公司 | Marine no threshold hydraulic pressure weather tight hinge door |
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| CN114408092A (en) | 2022-04-29 |
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Application publication date: 20220429 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048830 Denomination of invention: A side door structure for a classified cabin Granted publication date: 20230808 License type: Common License Record date: 20231130 |
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