Marine light high-sound-insulation fireproof door
By designing a multi-layer structure and a linked opening and closing device, the marine lightweight high-sounding fire door is solved, and the problem of cumbersome and bulky fire doors in the prior art is achieved, and fast and labor-saving opening and closing, good sealing, fire resistance and sound insulation effects are achieved.
Patent Information
- Application Number
- CN202421043321.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The opening and closing of existing marine fire doors is cumbersome, bulky, laborious to operate, inefficient, and cannot effectively meet the needs of use.
A marine lightweight high soundproof fire door is designed, adopting a multi-layer structure and a linkage opening and closing device, including an intermediate pressing device, end clamping and corner, which rotates the door body and door frame through a hinge, and uses an opening and closing linkage to achieve rapid and labor-saving opening and closing.
It realizes fast and labor-saving opening and closing of the door body, ensures good sealing, fire resistance and sound insulation, simplifies operation, and improves opening and closing efficiency.
Smart Images

Figure CN223045913U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a marine fire door, in particular to a lightweight and highly sound-insulating marine fire door. Background Art
[0002] Fire doors are important structures in the interior of ships, which can ensure the fire protection of cabins and generally also require good sound insulation.
[0003] In the prior art, the opening and closing of marine fire doors are relatively cumbersome. Moreover, due to their overall heaviness, they are laborious to operate, have a certain degree of difficulty, and low efficiency, unable to effectively meet the usage requirements. Summary of the Utility Model
[0004] The utility model provides a lightweight and highly sound-insulating marine fire door, aiming to overcome the above-mentioned deficiencies in the prior art and achieve quick opening and closing while ensuring good sealing, fire protection, and sound insulation.
[0005] Technical solution of the utility model: A lightweight and highly sound-insulating marine fire door, whose structure includes a door body and a door frame rotatably connected by hinges. A handle is installed on the door body. The door body is of a multi-layer structure: from the indoor side to the outdoor side, there are a back sealing plate, a fireproof glue layer, a heat-insulating material layer, a back sealing plate, and a honeycomb door panel in sequence. A watertight rubber strip is provided at the closing position of the door body edge and the door frame. A fireproof rubber strip is provided inside the door frame at the position where the watertight rubber strip is squeezed. An opening and closing linkage device is installed on the door frame. During operation, the opening and closing of the door body are realized through the opening and closing linkage device, which is overall lightweight and has good fire protection performance and sound insulation effect.
[0006] Preferably, the opening and closing linkage device includes an intermediate pressing device, an end clip, and a corner. Among them, the intermediate pressing device is installed at the center of the door frame far from the hinge side. One end of the intermediate pressing device is connected to one end of an end clip. One end of this end clip is rotatably connected to the door frame, and the other end is rotatably connected to the middle of a vertical connecting rod. Both ends of this connecting rod are respectively rotatably connected to one end of a corner. The middle of the corner is rotatably connected to the door body. The other end of the corner is rotatably connected to one end of a horizontal connecting rod. The other end of this connecting rod is rotatably connected to one end of a clip. The other end of this clip is rotatably connected to the door frame. The upper middle part and the middle lower part of the vertical connecting rod are respectively rotatably connected to one end of a clip, and the other end of this clip is rotatably connected to the door frame. When the intermediate pressing device is rotated upward or downward, the intermediate pressing device drives the middle clip to rotate, and then drives the two corners to press or release the door body through the connecting rod, realizing the easy and quick opening and closing of the door body.
[0007] Preferably, the intermediate pressing device includes an inner handle and an outer handle fixedly connected at the ends through a connecting member. The connecting member includes a sleeve on the door frame and a coupling shaft at the end of the outer handle. The coupling shaft is installed in the sleeve, and an O-ring seal is provided between the coupling shaft and the sleeve. An oil cup is also provided on the sleeve. The end of the inner handle is sleeved on the end of the coupling shaft and fixed through a check nut and a spring washer. A copper gasket A is provided between the end of the inner handle and the sleeve. The end of the inner handle is connected to an end clip through a pin shaft. A pressing portion is provided at the end of the outer handle inside the coupling shaft. A copper gasket B is provided between the pressing portion and the sleeve. A ball is fixed at the end of the pressing portion through a gland and an inner hexagon socket head screw, and the ball is connected to a wedge. When the intermediate pressing device rotates, the wedge can press against or move away from the door body, realizing effective pressing or loosening of the door body.
[0008] Advantages of the present utility model: The structure is reasonably designed, the whole is light, and it has good fire prevention and sound insulation performance. The design of the intermediate pressing device and the linkage opening and closing device can realize the quick and labor-saving opening and closing of the door body, simplify the operation, improve the opening and closing efficiency of the door body, and ensure the sealing performance. Description of the Drawings
[0009] Figure 1 is a schematic structural view of the marine lightweight high sound insulation and fireproof door of the present utility model.
[0010] Figure 2 is Figure 1 an enlarged schematic view of the right part of the top view cross-sectional view of the marine lightweight high sound insulation and fireproof door in
[0011] Figure 3 is Figure 1 a schematic structural view of the intermediate pressing device in
[0012] Figure 4 is a state comparison diagram of the marine lightweight high sound insulation and fireproof door of the present utility model when opened and closed through the linkage device.
[0013] In the figure, 1 is the door frame, 2 is the door body, 21 is the honeycomb door panel, 22 is the heat insulation material layer, 23 is the fireproof glue layer, 24 is the back sealing plate, 3 is the watertight rubber strip, 4 is the handle, 5 is the intermediate pressing device, 51 is the inner handle, 52 is the pin shaft, 53 is the wedge, 54 is the check nut and spring washer, 55 is the copper gasket, 56 is the sleeve, 57 is the O-ring seal, 58 is the oil cup, 59 is the copper gasket, 510 is the ball, 511 is the inner hexagon socket head screw, 512 is the gland, 513 is the outer handle, 6 is the end clip, 7 is the corner, 8 is the fireproof rubber strip, 9 is the connecting rod, 10 is the hinge. Specific Embodiments
[0014] The present utility model will be further described in detail below in conjunction with the embodiments and specific embodiments.
[0015] As Figure 1 , 2As shown in the figure, a marine lightweight high sound-insulating and fireproof door, whose structure includes a door body 2 and a door frame 1 rotatably connected by a hinge 12. A handle 4 is installed on the door body 2. The door body 2 is a multi-layer structure: from the indoor side to the outdoor side, there are a back sealing plate 24, a fireproof glue layer 23, a heat-insulating material layer 22, a back sealing plate 24, and a honeycomb door panel 21 in sequence. A watertight rubber strip 3 is provided at the closing position of the edge of the door body 2 and the door frame 1. A fireproof rubber strip 8 is provided inside the door frame 1 where it presses the watertight rubber strip 3. An opening and closing linkage device is installed on the door frame 1.
[0016] According to the above structure, the opening and closing of the door body 2 are realized through the opening and closing linkage device, and the whole is light, with good fireproof performance and sound insulation effect.
[0017] As Figure 4 shown in the figure, the opening and closing linkage device includes an intermediate pressing device 5, end clips 6, and corners 7. Among them, the intermediate pressing device 5 is installed at the center of the side of the door frame 1 far from the hinge 12. One end of the intermediate pressing device 5 is connected to one end of an end clip 6. One end of this end clip 6 is rotatably connected to the door frame 1, and the other end is rotatably connected to the middle of a vertical connecting rod 9. Both ends of the connecting rod 9 are respectively rotatably connected to one end of a corner 7. The middle of the corner 7 is rotatably connected to the door body 2. The other end of the corner 7 is rotatably connected to one end of a horizontally placed connecting rod 9. The other end of this connecting rod 9 is rotatably connected to one end of a clip 6. The other end of this clip 6 is rotatably connected to the door frame 1. The upper middle part and the middle lower part of the vertical connecting rod 9 are respectively rotatably connected to one end of a clip 6. The other end of this clip 6 is rotatably connected to the door frame 1.
[0018] By respectively rotating the intermediate pressing device 5 upward or downward, the intermediate pressing device 5 drives the middle clip 6 to rotate, and then drives the two corners 7 to press or release the door body 2 through the connecting rod 9, realizing the easy and quick opening and closing of the door body 2, and the operation is simple.
[0019] As Figure 3 shown in the figure, the intermediate pressing device 5 includes an inner handle 51 and an outer handle 513 fixedly connected at the end through a connecting piece. The connecting piece includes a sleeve 56 on the door frame 1 and a connecting shaft at the end of the outer handle 513. The connecting shaft is installed in the sleeve 56. An O-shaped sealing ring 57 is provided between the connecting shaft and the sleeve 56. An oil cup 58 is also provided on the sleeve 56. The end of the inner handle 51 is sleeved on the end of the connecting shaft and fixed by a check nut and a spring washer 54. An A copper gasket 55 is provided between the end of the inner handle 51 and the sleeve 56. The end of the inner handle 51 is connected to the end clip 6 through a pin shaft 52. A pressing part is provided at the end of the outer handle 513 inside the connecting shaft. A B copper gasket 59 is provided between the pressing part and the sleeve 56. A ball 510 is fixed at the end of the pressing part through a gland 512 and an inner hexagonal socket head screw 511. The ball 510 is connected to a wedge 53.
[0020] When the intermediate pressing device 5 rotates, the wedge 53 can press or move away from the door body 2, realizing the effective pressing or releasing of the door body 2, and facilitating the labor-saving opening and closing of the door body 2.
[0021] All the components described above are prior arts, and those skilled in the art can use any models and existing designs that can achieve their corresponding functions.
[0022] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.
Claims
1. A light-weight, highly soundproof and fireproof door for use on a ship, the structure of which comprises a door body (2) and a door frame (1) rotatably connected via a hinge (12), a handle (4) being mounted on the door body (2), and the characteristics of the door body (2) being: The door body (2) is a multi-layer structure: from indoors to outdoors, there are a back sealing plate (24), a fireproof adhesive layer (23), a heat insulating material layer (22), a back sealing plate (24) and a honeycomb door panel (21). A watertight adhesive strip (3) is provided at the edge of the door body (2) and the door frame (1) where they are closed. A fireproof adhesive strip (8) is provided on the inner side of the door frame (1) where the watertight adhesive strip (3) is squeezed. An opening and closing linkage device is installed on the door frame (1).
2. A light-weight high-sound insulation fire door for ships as claimed in claim 1, characterized in that: The opening and closing linkage device comprises an intermediate clamping device (5), an end clamp (6) and a corner (7), wherein the intermediate clamping device (5) is installed at the center of a side of the door frame (1) away from the hinge (12), the intermediate clamping device (5) is connected to one end of an end clamp (6), one end of the end clamp (6) is rotatably connected to the door frame (1), and the other end is rotatably connected to the middle part of a vertical connecting rod (9), the two ends of the connecting rod (9) are respectively rotatably connected to one end of a corner (7), the middle part of the corner (7) is rotatably connected to the door body (2), the other end of the corner (7) is rotatably connected to one end of a horizontal connecting rod (9), the other end of the connecting rod (9) is rotatably connected to one end of a clamp (6), the other end of the clamp (6) is rotatably connected to the door frame (1), the upper middle part and the lower middle part of the vertical connecting rod (9) are respectively rotatably connected to one end of a clamp (6), and the other end of the clamp (6) is rotatably connected to the door frame (1).
3. A light-weight high-sound insulation fire door for ships as claimed in claim 2, characterized in that: The intermediate clamping device (5) comprises an inner handle (51) and an outer handle (513) whose ends are fixedly connected by a connecting piece. The connecting piece comprises a sleeve (56) on the door frame (1) and a connecting shaft at the end of the outer handle (513). The connecting shaft is installed in the sleeve (56). An O-ring (57) is provided between the connecting shaft and the sleeve (56). An oil cup (58) is also provided on the sleeve (56). The end of the inner handle (51) is sleeved on the end of the connecting shaft and is connected to the outer handle (513) by a stop nut and a spring washer ( 54), a copper gasket A (55) is arranged between the end of the inner handle (51) and the sleeve (56), the end of the inner handle (51) is connected to the end clip (6) through a pin shaft (52), a clamping portion is arranged at the end of the outer handle (513) on the inner side of the connecting shaft, a copper gasket B (59) is arranged between the clamping portion and the sleeve (56), a ball (510) is fixed to the end of the clamping portion through a pressure cover (512) and a hexagon socket head screw (511), and the ball (510) is connected to the wedge (53).