Cabin sliding door with multi-stage sealing mechanism

By designing a multi-stage sealing mechanism in the cabin sliding door, including a chute, a cross sleeve and a bevel gear system, combined with the combination of roll rolls and thermal insulation cotton pads, the problem of insufficient sealing performance of the cabin sliding door is solved, and the effects of stable closure, multiple protection and timely fire extinguishing are achieved.

CN222962746UActive Publication Date: 2025-06-10NANJING SHUNTAO MARINE EQUIP CO LTD
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Patent Information

Application Number
CN202421572671.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-06-10
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing cabin sliding doors have shortcomings in sealing performance, resulting in the possibility of seawater and other liquids flowing into the cabin through the gaps, affecting the safety of crew members' daily life and internal equipment.

Method used

A cabin sliding door with a multi-stage sealing mechanism is designed. By setting a slide chute, a cross sleeve and a meshing groove between the door panel and the inner frame, combined with a motor-driven bevel gear system, the door panel can be stable closure and multiple protection. At the same time, a combination of roll rolls and thermal insulation cotton pads is used to ensure sealing effect and extinguish fire through the nozzle system if necessary.

Benefits of technology

The stable closure and multiple protection of the cabin sliding door are achieved, ensuring the improvement of sealing performance, being able to extinguish open flames in a timely manner, and effectively prevent seawater and other liquids from entering the cabin.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222962746U_ABST
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Abstract

The utility model relates to the field of cabin sliding doors, and discloses a cabin sliding door with a multistage sealing mechanism, which comprises an outer frame and an inner frame, the right side of the inner wall of the outer frame is provided with the inner frame, the upper part and the lower part of the inner side of the inner frame are respectively provided with a chute, the inner side of the inner frame is longitudinally provided with a stop lever, and the left side of the stop lever is fixedly provided with a door plate; and a rotating shaft is longitudinally mounted in the center of the interior of the stop lever. According to the cabin sliding door with the multi-stage sealing mechanism, a door plate is fixed to the left side of a stop lever, when the door plate is pushed along an inner frame, the stop lever slides along with the door plate, after the door plate is overlapped with the left side of the inner frame, a motor is started, a second bevel gear is meshed with a first bevel gear at the top, and then a rotating shaft at the center is rotated; the threads at the top and the bottom of the rotating shaft are attached to the meshing groove in the cross-shaped sleeve, then the cross-shaped sleeve is pushed to slide along the cross-shaped groove, the end of the cross-shaped sleeve is embedded into the sliding groove and abuts against the sliding groove, and the problem that the sealing performance is poor is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cabin sliding doors, in particular to a cabin sliding door with a multi-stage sealing mechanism. Background Technique

[0002] A cabin usually refers to a room inside a ship, which can be used for crew members to rest, store goods, and install various devices and machinery. Due to the particularity of the ship, each cabin needs to be equipped with a cabin door to prevent seawater backflow and block wind and waves. In order to save cabin resources to the greatest extent, most sliding doors are used instead of hinged doors that open in opposite directions.

[0003] Ordinary cabin sliding doors focus on the smoothness of the movement of the door frame and the door panel, but ignore the gap between the sliding door and the door frame. If the gap is too large, it is difficult to maintain the sealing performance, and the excess liquid will flow into the cabin along the gap, which not only affects the living of the crew, but also inevitably damages the internal machines and goods.

[0004] Now, a new type of cabin sliding door with a multi-stage sealing mechanism is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a cabin sliding door with a multi-stage sealing mechanism to solve the problem of poor sealing performance proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A cabin sliding door with a multi-stage sealing mechanism, including an outer frame and an inner frame. The inner frame is installed on the right side of the inner wall of the outer frame. Chutes are arranged above and below the inner side of the inner frame. A baffle rod is longitudinally arranged inside the inner frame, and a door panel is fixed to the left side of the baffle rod. A rotating shaft is longitudinally installed at the center of the baffle rod, and a first bevel gear is fixed at the center of the rotating shaft. A motor is fixed at the center of the right side outside the baffle rod, and a second bevel gear is fixed to the left side of the output shaft of the motor. Threads are arranged above and below the rotating shaft, and a cross-shaped sleeve is sleeved outside the threads. Cross-shaped grooves are arranged inside the baffle rod above and below, and a meshing groove is arranged inside the cross-shaped sleeve.

[0007] Preferably, the cross-shaped sleeve is embedded in the cross-shaped groove, and the cross-shaped sleeve can slide up and down along the inner wall of the cross-shaped groove.

[0008] Preferably, the top and bottom of the rotating shaft are embedded in the cross-shaped sleeve, and the thread matches the inner wall of the meshing groove.

[0009] Preferably, a clamping groove is fixed around the front end of the outer frame. A frame body is longitudinally fixed on the left side of the front end of the inner frame. A left chamber is arranged on the left side inside the frame body. A winding roller is assembled between the upper and lower parts inside the left chamber. A heat-insulating cotton pad is wound around the surface of the winding roller. A pull rod is longitudinally fixed on the right side of the heat-insulating cotton pad. A right chamber is longitudinally arranged on the right side inside the frame body. A support roller is assembled between the upper and lower parts inside the right chamber. Rollers are assembled at the top and bottom of the front end of the support roller.

[0010] Preferably, the heat-insulating cotton pad overlaps on the surface of the support roller, and the support roller is attached between the roller and the heat-insulating cotton pad.

[0011] Preferably, the winding roller is located on the left side of the support roller, and the top and bottom of the pull rod are embedded in the clamping groove.

[0012] Preferably, a horizontal pipe is fixed between the two sides in front of the outside of the outer frame. A flow dividing pipe is fixed between the two sides inside the horizontal pipe. Nozzles are arranged at the bottom of the flow dividing pipe. Liquid inlets are fixed on both sides of the outside of the horizontal pipe.

[0013] Preferably, the liquid inlets are symmetrically installed inside both sides of the horizontal pipe, and the liquid inlets are communicated with the flow dividing pipe.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The cabin sliding door with a multi-stage sealing mechanism not only ensures the stability when the door panel is closed, realizes multiple protections, but also realizes timely extinguishing of open flames;

[0015] (1) By fixing a door panel on the left side of the blocking rod, when the door panel is horizontally pushed along the upper and lower sliding grooves of the inner frame, the blocking rod connected to the right side of the door panel also slides along with it. After the door panel overlaps with the chambers entering and exiting from the left side of the inner frame, start the motor, engage the rotating second bevel gear with the first bevel gear at the top, and then rotate the rotating shaft at the center. By means of the threads at the top and bottom of the rotating shaft, fit into the meshing grooves in the cross-shaped sleeve, and then push the cross-shaped sleeve to slide along the cross-shaped groove, so that the end of the cross-shaped sleeve is embedded in the sliding groove and abuts tightly, which can avoid the shaking of the door panel and can also adjust its stopping position at will. Cooperating with the heat-insulating cotton pad covered in front, multi-stage sealing is realized;

[0016] (2) By longitudinally fixing a frame body on the left side of the front end of the inner frame, the winding roller wound with the heat-insulating cotton pad is installed in the left chamber. When holding the external pull rod and pulling the heat-insulating cotton pad along the sliding groove, at this time, the support roller in the right chamber is used to lift the heat-insulating cotton pad to give this object tension, avoiding the heat-insulating cotton pad from becoming loose when being pulled. With the assistance of the support roller and the roller, the heat-insulating cotton pad can be helped to cover the door panel and the front end of the inner frame for protection. After that, the heat-insulating cotton pad is inserted into the frame body from the upper left and the lower right to rotate the winding roller to wind up the heat-insulating cotton pad;

[0017] (3) By fixing a horizontal pipe between the two sides in front of the outside of the outer frame and implementing pipeline connection at the liquid inlet on both sides of the horizontal pipe, if there is a fire inside the hatch or the fire outside the hatch burns to the inside, the outside water valve can be opened to inject clean water into the shunt pipe through the liquid inlet for fire extinguishing, or seawater can be pumped according to the situation at that time for fire extinguishing. The liquid is sprayed downward through multiple groups of nozzles, which can quickly and timely contain the growth of the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view sectional structure schematic diagram of the present utility model;

[0019] Figure 2 of the present utility model Figure 1 is a partial sectional enlarged structure schematic diagram at A in;

[0020] Figure 3 of the present utility model Figure 1 is a partial sectional enlarged structure schematic diagram at B in;

[0021] Figure 4 is a front view sectional structure schematic diagram of the frame body of the present utility model.

[0022] In the figure: 1. Outer frame; 2. Inner frame; 3. Sliding groove; 4. Stop bar; 5. Door panel; 6. Pull rod; 7. Heat insulation cotton pad; 8. Frame body; 9. Card slot; 10. Roller; 11. Horizontal pipe; 12. Shunt pipe; 13. Nozzle; 14. Liquid inlet; 15. Cross sleeve; 16. Cross groove; 17. Meshing groove; 18. Thread; 19. Rotating shaft; 20. First bevel gear; 21. Second bevel gear; 22. Motor; 23. Left chamber; 24. Right chamber; 25. Support roller; 26. Roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1-4, A cabin sliding door with a multi-stage sealing mechanism, including an outer frame 1 and an inner frame 2. The inner frame 2 is installed on the right side of the inner wall of the outer frame 1. Chutes 3 are provided above and below the inner side of the inner frame 2. A stop bar 4 is longitudinally arranged on the inner side of the inner frame 2, and a door panel 5 is fixed to the left side of the stop bar 4. A rotating shaft 19 is longitudinally installed at the center of the stop bar 4, and a first bevel gear 20 is fixed at the center of the rotating shaft 19. A motor 22 is fixed at the center of the right side outside the stop bar 4, and a second bevel gear 21 is fixed to the left side of the output shaft of the motor 22. Threads 18 are provided above and below the rotating shaft 19, and a cross-shaped sleeve 15 is sleeved outside the threads 18. Cross-shaped grooves 16 are provided inside the stop bar 4 above and below, and an engaging groove 17 is provided inside the cross-shaped sleeve 15;

[0025] The cross-shaped sleeve 15 is embedded in the cross-shaped groove 16, and the cross-shaped sleeve 15 can slide up and down along the inner wall of the cross-shaped groove 16. The top and bottom of the rotating shaft 19 are embedded in the cross-shaped sleeve 15, and the thread 18 matches the inner wall of the engaging groove 17;

[0026] Specifically, as Figure 1 , Figure 2 and Figure 3 shown, when the door panel 5 is horizontally pushed along the upper and lower chutes 3 of the inner frame 2, the stop bar 4 connected to the right side of the door panel 5 also slides together. After the door panel 5 overlaps with the chamber where the left side of the inner frame 2 enters and exits, the motor 22 is started, and the rotating second bevel gear 21 meshes with the top first bevel gear 20, and then the rotating shaft 19 at the center is rotated. The threads 18 at the top and bottom of the rotating shaft 19 are used to fit the engaging groove 17 in the cross-shaped sleeve 15, and then the cross-shaped sleeve 15 is pushed to slide along the cross-shaped groove 16, so that the end of the cross-shaped sleeve 15 is embedded in the chute 3 and abuts tightly.

[0027] Embodiment 2: A card slot 9 is fixed around the front end of the outer frame 1. A frame body 8 is longitudinally fixed to the left side of the front end of the inner frame 2. A left chamber 23 is provided on the left side inside the frame body 8. A roller 10 is assembled between the upper and lower parts inside the left chamber 23, and a heat-insulating cotton pad 7 is wound on the surface of the roller 10. A pull rod 6 is longitudinally fixed to the right side of the heat-insulating cotton pad 7. A right chamber 24 is longitudinally provided on the right side inside the frame body 8, and a support roller 25 is assembled between the upper and lower parts inside the right chamber 24. The top and bottom of the front end of the support roller 25 are each assembled with a roller 26;

[0028] The heat-insulating cotton pad 7 is lapped on the surface of the support roller 25. The support roller 25 is fitted between the roller 26 and the heat-insulating cotton pad 7. The roller 10 is located on the left side of the support roller 25. The top and bottom of the pull rod 6 are each embedded in the card slot 9;

[0029] Specifically, as Figure 1 and Figure 4As shown, the roller 10 wrapped with the heat-insulating cotton pad 7 is installed in the left chamber 23. When holding the external pull rod 6 and pulling the heat-insulating cotton pad 7 along the sliding groove 3, the support roller 25 in the right chamber 24 is used to lift the heat-insulating cotton pad 7 at this time, giving this object tension to prevent the heat-insulating cotton pad 7 from becoming loose during pulling. With the assistance of the support roller 25 and the roller 26, it can help the heat-insulating cotton pad 7 cover the front ends of the door panel 5 and the inner frame 2 to implement protection.

[0030] Embodiment 3: A horizontal pipe 11 is fixed between the two sides in front of the outside of the outer frame 1, and a flow dividing pipe 12 is fixed between the two sides inside the horizontal pipe 11. Nozzles 13 are arranged at the bottom of the flow dividing pipe 12. Liquid inlets 14 are fixed on both sides of the outside of the horizontal pipe 11. The liquid inlets 14 are symmetrically installed inside both sides of the horizontal pipe 11, and the liquid inlets 14 are communicated with the flow dividing pipe 12.

[0031] Specifically, as Figure 1 and Figure 4 shown, pipeline connections are implemented at the liquid inlets 14 on both sides of the horizontal pipe 11. If there is a fire inside the hatch door, or if the fire outside the hatch burns to the inside, the external water valve can be opened to inject clean water into the flow dividing pipe 12 through the liquid inlets 14 to extinguish the fire, or seawater can be pumped according to the situation at that time to extinguish the fire. The liquid is sprayed downward through multiple groups of nozzles 13, and can be evenly poured on the ground.

[0032] Working principle: When the present utility model is in use, first, when horizontally pushing the door panel 5 along the upper and lower sliding grooves 3 of the inner frame 2, the blocking rod 4 connected to the right side of the door panel 5 also slides along with it. After the door panel 5 overlaps with the chambers on the left side of the inner frame 2, the motor 22 is started, and the rotating second bevel gear 21 meshes with the first bevel gear 20 at the top, and then the rotating shaft 19 at the center is rotated. By means of the threads 18 at the top and bottom of the rotating shaft 19, the engaging grooves 17 in the cross sleeve 15 are fitted, and then the cross sleeve 15 is pushed to slide along the cross groove 16, so that the end of the cross sleeve 15 is embedded into the sliding groove 3 and abuts tightly to implement positioning. The roller 10 wrapped with the heat-insulating cotton pad 7 is installed in the left chamber 23. When holding the external pull rod 6 and pulling the heat-insulating cotton pad 7 along the sliding groove 3, the support roller 25 in the right chamber 24 is used to lift the heat-insulating cotton pad 7 at this time, giving this object tension to prevent the heat-insulating cotton pad 7 from becoming loose during pulling. With the assistance of the support roller 25 and the roller 26, it can help the heat-insulating cotton pad 7 cover the front ends of the door panel 5 and the inner frame 2 to implement protection. Pipeline connections are pre-implemented at the liquid inlets 14 on both sides of the horizontal pipe 11. If there is a fire inside the hatch door, or if the fire outside the hatch burns to the inside, the external water valve can be opened to inject clean water into the flow dividing pipe 12 through the liquid inlets 14 to extinguish the fire, or seawater can be pumped according to the situation at that time to extinguish the fire. The liquid is sprayed downward through multiple groups of nozzles 13 to extinguish the fire.

[0033] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A cabin sliding door with a multi-stage sealing mechanism, comprising an outer frame (1) and an inner frame (2), characterized in that: An inner frame (2) is installed on the right side of the inner wall of the outer frame (1), and a slide groove (3) is arranged on the upper and lower sides of the inner side of the inner frame (2). A stop rod (4) is longitudinally arranged on the inner side of the inner frame (2), and a door panel (5) is fixed on the left side of the stop rod (4). A rotating shaft (19) is longitudinally installed at the center of the inside of the stop rod (4), and a first bevel gear (20) is fixed at the center of the rotating shaft (19). A motor (22) is fixed at the center of the right side of the outside of the stop rod (4), and a second bevel gear (21) is fixed on the left side of the output shaft of the motor (22). Threads (18) are arranged on the upper and lower sides of the outside of the rotating shaft (19), and a cross sleeve (15) is sleeved on the outside of the thread (18). Cross grooves (16) are arranged on the upper and lower sides of the stop rod (4), and a meshing groove (17) is arranged on the inside of the cross sleeve (15).

2. The cabin sliding door with a multi-stage sealing mechanism according to claim 1, characterized in that: The cross sleeve (15) is embedded in the cross groove (16), and the cross sleeve (15) can slide up and down along the inner wall of the cross groove (16).

3. The cabin sliding door with a multi-stage sealing mechanism according to claim 1, characterized in that: The top and bottom of the rotating shaft (19) are both embedded in the cross sleeve (15), and the thread (18) matches the inner wall of the engagement groove (17).

4. The cabin sliding door with a multi-stage sealing mechanism according to claim 1, characterized in that: A card slot (9) is fixed around the front end of the outer frame (1), a frame body (8) is fixed longitudinally on the left side of the front end of the inner frame (2), and a left chamber (23) is arranged on the left side inside the frame body (8), a roller (10) is installed between the upper and lower parts of the left chamber (23), and a heat-insulating cotton pad (7) is wound on the surface of the roller (10), a pull rod (6) is fixed longitudinally on the right side of the heat-insulating cotton pad (7), a right chamber (24) is longitudinally arranged on the right side of the frame body (8), and a support roller (25) is installed between the upper and lower parts of the right chamber (24), and rollers (26) are installed on the top and bottom of the front end of the support roller (25).

5. The cabin sliding door with a multi-stage sealing mechanism according to claim 4, characterized in that: The thermal insulation cotton pad (7) is overlapped on the surface of the support roller (25), and the support roller (25) is fitted between the roller (26) and the thermal insulation cotton pad (7).

6. The cabin sliding door with a multi-stage sealing mechanism according to claim 4, characterized in that: The winding roller (10) is located on the left side of the supporting roller (25), and the top and bottom of the pull rod (6) are both embedded in the slot (9).

7. The cabin sliding door with a multi-stage sealing mechanism according to claim 1, characterized in that: A transverse tube (11) is fixed between two sides of the front of the exterior of the outer frame (1), and a diverter tube (12) is fixed between two sides of the interior of the transverse tube (11). A nozzle (13) is arranged at the bottom of the diverter tube (12), and liquid inlets (14) are fixed on both sides of the exterior of the transverse tube (11).

8. The cabin sliding door with a multi-stage sealing mechanism according to claim 7, characterized in that: The liquid inlet (14) is symmetrically installed inside the two sides of the transverse tube (11), and the liquid inlet (14) is connected to the diversion tube (12).