A sliding watertight door flap linkage mechanism

The sliding watertight door flap linkage mechanism uses a gear rack and sprocket mechanism to achieve linkage between the watertight door and the flap, which solves the watertightness and passage problems of large-size or high-pressure watertight doors, reduces costs and improves equipment reliability and operating efficiency.

CN119873563BActive Publication Date: 2025-11-07713TH RES INST OF CHINA STATE SHIPBUILDING CORP LTD
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Patent Information

Application Number
CN202411961064.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

Existing watertight doors are difficult to meet watertight requirements under large size or high water pressure conditions, and existing drive methods increase costs and affect system reliability and efficiency.

Method used

The sliding watertight door flap linkage mechanism includes a gear and rack mechanism, a reversing device, and a sprocket mechanism to achieve linkage between the watertight door and the flap. The watertight door is driven to move within the guide rail by the drive cylinder, the gear and rack drive the gear to rotate, the reversing device changes the direction of power, and the sprocket mechanism drives the flap to flip, thus meeting the requirements of watertightness and passage.

Benefits of technology

It reduced equipment costs, improved reliability and operating efficiency, achieved high water tightness of the watertight door and smooth opening and closing of the equipment, and improved the overall operating efficiency of the elevator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the application provides a sliding watertight door flap linkage mechanism, comprising a watertight door arranged in a cabin and moving in a guide rail through the driving of a driving oil cylinder to realize the opening and closing of a layer door; a gear and rack mechanism comprising a gear and a rack arranged in mesh with each other, the rack being installed on the upper part of the door body of the watertight door; a reversing device fixed on the top of the cabin, the gear being arranged on the input shaft of the reversing device; a sprocket mechanism having one end in transmission connection with the output shaft of the reversing device; a flap having a rotating shaft arranged thereon and in transmission connection with the other end of the sprocket mechanism; the flap being linked with the opening and closing of the watertight door, the flap being laid flat and covered on the deck slot corresponding to the door body after the watertight door is opened, and the flap being lifted and arranged at a set angle with the door body after the watertight door is closed. The mechanism meets the existing use function, reduces the cost, improves the reliability and operation efficiency of the equipment, and has the characteristics of simple structure, high reliability and high operation efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of elevator linkage of large ships or other three-dimensional transportation systems, in particular to a sliding watertight door flap linkage mechanism. BACKGROUND

[0002] The watertight door is installed at the hatch of each landing cabin of the elevator, which plays a role of isolation and water tightness when it is closed in place, and has a blocking protection effect in case of fire, flooding and other accidents; when it is opened in place, it can open the hatch space to facilitate the transfer of equipment and materials.

[0003] The existing design and use mode at home and abroad is that the watertight door is driven and controlled by hydraulic equipment or motor, which mainly has the following disadvantages:

[0004] 1. The existing design and use of the watertight door are small size or small water pressure. When the structure size of the watertight door is large or the water pressure is high, the structure form of the conventional door frameless watertight door often cannot meet the water tightness requirement:

[0005] 2. In order to meet the sealing requirement, a sealing strip is installed on the door frame, so a groove needs to be opened on the deck, and a flap needs to be used to cover the groove on the deck to ensure the passability of the vehicle.

[0006] 3. In order to ensure the overall operation efficiency, the opening and closing action time of the watertight door is short, and the existing driving and control of the flap are all in the form of hydraulic cylinder or motor, which is driven by the travel switch. This method increases the cost and affects the system reliability index, and even affects the system operation efficiency;

[0007] In order to ensure the overall operation efficiency, the opening and closing action time of the watertight door is short, and the existing design mode usually does not set a deceleration process, so that the closing or opening to the position is easy to have a large impact, which is not conducive to the normal operation of the equipment. SUMMARY

[0008] In view of the above problems in the prior art, the embodiment of the present application provides a sliding watertight door flap linkage mechanism, which can meet the existing use function while reducing the cost, improving the equipment reliability and operation efficiency, and has the characteristics of simple structure, high reliability and high efficiency.

[0009] The embodiment of the present application provides a sliding watertight door flap linkage mechanism, which comprises:

[0010] The watertight door is arranged in the cabin and moves in the guide rail through the driving of the driving oil cylinder to realize the opening and closing of the landing door;

[0011] The gear and rack mechanism comprises a gear and a rack which are arranged in meshing relationship, and the rack is installed on the upper part of the door body of the watertight door.

[0012] A reversing device is fixed on the top of the cabin, and the gear is arranged on the input shaft of the reversing device;

[0013] A sprocket mechanism is in transmission connection with one end of the output shaft of the reversing device;

[0014] A turning plate is arranged on the other end of the sprocket mechanism;

[0015] The turning plate is linked with the opening and closing of the watertight door, and after the watertight door is opened, the turning plate is laid on the corresponding deck slot of the door body, and after the watertight door is closed, the turning plate is lifted and arranged at a set angle with the door body.

[0016] In some embodiments of the present application, when the watertight door is opened under the driving of the driving oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device to rotate, and after the reversing of the reversing device, the reversing device drives the sprocket mechanism through the output shaft, and the sprocket mechanism drives the rotation of the turning shaft of the turning plate, and then drives the turning plate to turn and fall, and after the watertight door is completely opened, the turning plate is laid on the corresponding deck slot of the door body, so as to make the deck flat and convenient for passing.

[0017] In some embodiments of the present application, when the watertight door is closed under the driving of the driving oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device to rotate, and after the reversing of the reversing device, the reversing device drives the sprocket mechanism through the output shaft, and the sprocket mechanism drives the rotation of the turning shaft of the turning plate, and then drives the turning plate to turn and lift, and after the watertight door is completely closed, the turning plate is lifted, and the plane of the plate body of the turning plate is arranged at a set angle with the plane of the door body, and the set angle is in the range of 0-10 degrees.

[0018] In some embodiments of the present application, the watertight door comprises a door body, a door frame, a sealing ring, and a locking mechanism, wherein,

[0019] The door frame is welded on the ship body structure, the sealing ring is installed on the door frame, and the driving oil cylinder drives the door body to move along the guide rail direction;

[0020] The locking assembly is installed on the door frame and the door body, and when the watertight door is closed, the door body extrudes the sealing strip to ensure the water-tight performance of the watertight door.

[0021] In some embodiments of the present application, the reversing device is fixed on the cabin inner top by structural welding, a bevel gear is arranged in the reversing device to realize transmission direction change, and then the force transmitted to the input shaft of the reversing device through the gear is transmitted to the chain wheel mechanism through the output shaft.

[0022] In some embodiments of the present application, the flap mechanism is fixed on the cabin deck through the mounting seat, the rotating shaft of the flap is provided with a connecting gear engaged with the chain wheel mechanism at one end connected with the chain wheel mechanism, and the plate body of the flap is fixedly connected with the rotating shaft through the support.

[0023] In some embodiments of the present application, when the watertight door is closed, the plate body of the flap is vertically arranged.

[0024] Compared with the prior art, the sliding watertight door flap linkage mechanism provided by the embodiments of the present application has the beneficial effects that: the structural scheme including the door frame, the sealing strip, the door body, the driving oil cylinder, the guide rail, the gear and rack mechanism, the reversing device, the chain wheel mechanism and the flap is adopted, compared with the traditional watertight door, the device has the characteristics of simple structure, good watertightness, low manufacturing and maintenance cost and high reliability; further, the linkage of the horizontal sliding watertight door and the hatch flap can be realized, that is, the sliding opening and closing of the watertight door and the turning of the flap are simultaneously performed, and the overall operation efficiency of the elevator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The front view schematic diagram of the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0026] Figure 2 The front view schematic diagram of the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0027] Figure 3 The front view schematic diagram of the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0028] Figure 4 The partial structure schematic diagram of the gear and rack mechanism in the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0029] Figure 5 The partial structure schematic diagram of the reversing device in the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0030] Figure 6 The schematic diagram of the chain wheel in the chain wheel mechanism in the sliding watertight door flap linkage mechanism provided by the embodiments of the present application;

[0031] Figure 7The schematic view of the flap in the sliding watertight door flap linkage mechanism provided by the embodiment of the present application.

[0032] Reference signs

[0033] 1, watertight door; 2, gear rack mechanism; 3, reversing device; 4, sprocket mechanism; 5, flap. DETAILED DESCRIPTION

[0034] In order to make the technical solution of the present application better understood by those skilled in the art, the present application will be described in detail below in combination with the drawings and specific embodiments.

[0035] The various aspects and features of the present application are described herein with reference to the accompanying drawings.

[0036] These and other characteristics of the present application will become apparent from the following description of the preferred forms given, by way of non-limiting example, with reference to the attached drawings.

[0037] It is also to be understood that even though numerous specific details of the present application are set out herein, various other equivalent forms of the present application which do not depart from the spirit and essential characteristics of the application can be readily utilized and thus the detailed description is not to be taken in a limiting sense.

[0038] The above and other aspects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

[0039] Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the embodiments described are merely exemplary of the application and can be carried out in various ways as sought by the applicant. Well-known and / or redundant functions and structures are not described in detail since they would only obscure the understanding of the present application without contributing to the underlying principles. Therefore, the specific structural and functional details disclosed herein are not to be interpreted in a limiting sense, but merely to illustrate the basis of the claims and representative embodiments of the present application.

[0040] The specification can use phrases such as "in one embodiment", "in another embodiment", "in yet another embodiment", or "in other embodiments", which can refer to one or more embodiments of the same or different embodiments of the application.

[0041] The embodiment of the present application provides a sliding watertight door flap linkage mechanism, as shown in the figure, comprising: Figures 1 to 6

[0042] The watertight door 1 is arranged in the cabin and moves in the guide rail by driving the driving oil cylinder to realize the opening and closing of the layer door;

[0043] ​Gear rack mechanism 2, comprising gear and rack arranged in meshing with each other, the rack is installed on the door body upper portion of the watertight door 1;

[0044] Reversing device 3, which is fixed on the cabin inner top, the gear is arranged on the input shaft of the reversing device 3;

[0045] Sprocket mechanism 4, one end of which is drivingly connected with the output shaft of the reversing device 3;

[0046] Flap 5, which is provided with a rotating shaft, and the rotating shaft is drivingly connected with the other end of the sprocket mechanism 4;

[0047] The flap 5 is linked with the opening and closing of the watertight door 1, after the watertight door 1 is opened, the flap 5 is laid flat and covers the corresponding deck slot of the door body, after the watertight door 1 is closed, the flap 5 is lifted and is arranged at a set angle with the door body.

[0048] Specifically, in the embodiment, when the watertight door 1 is opened under the driving of the drive oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device 3 to rotate, after the reversing of the reversing device 3, the reversing device 3 drives the sprocket mechanism 4 through the output shaft, the sprocket mechanism 4 drives the rotating shaft of the flap 5 to rotate, and then drives the flap 5 to overturn and fall, after the watertight door 1 is completely opened, the flap 5 is laid flat and covers the corresponding deck slot of the door body, so as to make the deck flat and facilitate passing.

[0049] When the watertight door 1 is closed under the driving of the drive oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device 3 to rotate, after the reversing of the reversing device 3, the reversing device 3 drives the sprocket mechanism 4 through the output shaft, the sprocket mechanism 4 drives the rotating shaft of the flap 5 to rotate, and then drives the flap 5 to overturn and lift, after the watertight door 1 is completely closed, the flap 5 is lifted, and the plane where the plate body of the flap 5 is arranged is arranged at a set angle with the plane where the door body is arranged, the set angle is within the range of 0-10 degrees.

[0050] Through the above technical solution, in order to realize the power transmission function between the horizontal sliding watertight door 1 and the flap 5, the gear rack mechanism 2, the reversing device 3 and the sprocket mechanism 4 are designed, so that the horizontal sliding watertight door 1 transmits power to the reversing device 3 through the gear rack mechanism 2, and then the rotating power is transmitted to the sprocket mechanism 4 by the reversing device 3, the sprocket mechanism 4 drives the flap 5 to rotate, the laying and vertical action of the flap 5 are realized, and then the passability of the vehicle when the watertight door 1 is opened is met; the watertight door 1 is closed, and the watertight requirement of the watertight door 1 under high water pressure is met.

[0051] In some embodiments of the present application, the watertight door 1 comprises a door body, a door frame, a sealing ring, and a locking mechanism, wherein the door frame is welded on the ship body structure, the sealing ring is installed on the door frame, and the driving oil cylinder drives the door body to move along the guide rail direction; the locking assembly is installed on the door frame and the door body, and when the watertight door 1 is closed, the door body extrudes the sealing strip to ensure the watertight performance of the watertight door 1.

[0052] In the present embodiment, the reversing device 3 is fixed on the cabin inner top by structural welding, the reversing device 3 is provided with bevel gears meshing with each other to realize the transmission direction change, and then the force transmitted to the input shaft of the reversing device 3 through the gear is transmitted to the chain wheel mechanism 4 through the output shaft, wherein the chain wheel mechanism 4 can be specifically realized by the chain transmission with the first chain wheel provided on the output shaft of the reversing device 3 and the second chain wheel provided on the rotating shaft.

[0053] The flap 5 mechanism is fixed on the cabin deck through the mounting seat, one end of the rotating shaft of the flap 5 connected with the chain wheel mechanism 4 is provided with a connecting gear meshing with the chain wheel mechanism 4, and the plate body of the flap 5 is fixedly connected with the rotating shaft through the support, and the watertight door 1 is installed in the cabin and moves in the guide rail under the action of the driving oil cylinder to realize the opening and closing of the layer door.

[0054] When the watertight door 1 is closed, the plate body of the flap 5 is vertically arranged.

[0055] It can be known from the above technical solution that the sliding type watertight door 1 flap 5 linkage mechanism provided in the above embodiment of the present application adopts the structural scheme comprising a door frame, a sealing strip, a door body, a driving oil cylinder, a guide rail, a gear and rack mechanism 2, a reversing device 3, a chain wheel mechanism 4, and a flap 5, and compared with the traditional watertight door 1, has the characteristics of simple equipment structure, good watertightness, low manufacturing and maintenance cost, and high reliability; further, it can also realize the linkage of the horizontal sliding watertight door 1 and the hatch flap 5, that is, the sliding opening and closing of the watertight door 1 and the turning of the flap 5 are carried out at the same time, and the overall operation efficiency of the elevator is improved. At the same time, the above sliding type watertight door 1 flap 5 linkage mechanism is suitable for any large ship or other three-dimensional transfer system elevator which needs a high watertightness watertight door 1 and a slot on the deck.

[0056] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements shall also be considered to fall within the protection scope of the present application.

Claims

1. A sliding watertight door flap linkage mechanism, characterized by, The invention relates to a sliding water-tight door and a linkage mechanism for a flap thereof. The water-tight door is arranged in a cabin and is movable along a guide rail by a driving oil cylinder to open and close the door. A gear and rack mechanism is arranged on the upper portion of the door body of the water-tight door. A reversing device is fixed to the top of the cabin, and the gear is arranged on the input shaft of the reversing device. A sprocket mechanism is arranged at one end of the output shaft of the reversing device. A flap is arranged on the shaft, and the shaft is arranged at the other end of the sprocket mechanism. The flap is linked to the water-tight door and is laid flat on the corresponding deck slot of the door body when the water-tight door is opened, and the flap is lifted and arranged at a set angle with the door body when the water-tight door is closed.

2. The linkage mechanism for the flap of the sliding water-tight door according to claim 1, wherein when the water-tight door is opened by the driving oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device to rotate, the reversing device drives the sprocket mechanism through the output shaft after the reversing, the sprocket mechanism drives the shaft of the flap to rotate, and the flap is flipped and falls, and the flap is laid flat on the corresponding deck slot of the door body when the water-tight door is completely opened.

3. The linkage mechanism for the flap of the sliding water-tight door according to claim 2, wherein when the water-tight door is closed by the driving oil cylinder, the door body drives the gear to rotate through the rack, the gear drives the input shaft of the reversing device to rotate, the reversing device drives the sprocket mechanism through the output shaft after the reversing, the sprocket mechanism drives the shaft of the flap to rotate, and the flap is flipped and lifted, and the flap is lifted and arranged at a set angle with the door body when the water-tight door is completely closed, and the set angle is within the range of 0-10 degrees.

4. The linkage mechanism for the flap of the sliding water-tight door according to claim 3, wherein the water-tight door comprises a door body, a door frame, a sealing ring, and a locking mechanism, wherein the door frame is welded on the ship body structure, the sealing ring is arranged on the door frame, and the driving oil cylinder drives the door body to move along the guide rail direction; and the locking mechanism is arranged on the door frame and the door body, and the door body extrudes the sealing strip when the water-tight door is closed to ensure the water-tight performance of the water-tight door.

5. The linkage mechanism for the flap of the sliding water-tight door according to claim 4, wherein the reversing device is fixed on the top of the cabin by welding, and the reversing device is arranged with bevel gears to change the transmission direction, and the force transmitted to the input shaft of the reversing device through the gear is transmitted to the sprocket mechanism through the output shaft.

6. The linkage mechanism for the flap of the sliding water-tight door according to claim 5, wherein ​ ​ ​ ​ ​ ​ The flap mechanism is fixed on the cabin deck through a mounting seat, one end of a rotating shaft of the flap is provided with a connecting gear engaged with the chain wheel mechanism, and a plate body of the flap is fixedly connected with the rotating shaft through a support.

7. The flap linkage mechanism of the sliding watertight door according to claim 6, characterized in that, When the watertight door is closed, the plate body of the flap is vertically arranged.

Citation Information

Patent Citations

  • Threshold-free civil defense door of doorway

    CN103266838A

  • Anti-flooding door opening and closing mechanism

    CN107663984A