Airtight door sealing structure for channel equipment of roll-on-roll-off ship

Abstract

The utility model discloses an airtight door sealing structure for roll-on-roll-off ship channel equipment, which relates to the field of roll-on-roll-off equipment and comprises a door plate, a channel door frame and a channel doorsill, the door plate is hinged with a roll-on-roll-off ship channel, two sides of the door plate are respectively attached to the channel door frame and the channel doorsill, and sealing gaskets are respectively arranged between the door plate and the channel door frame and between the door plate and the channel doorsill. An angle is formed between the channel door frame and the vertical direction, an angle is formed between the channel doorsill and the horizontal direction, a first sealing strip and a second sealing strip are arranged on the door plate, cavities are formed in the first sealing strip and the second sealing strip, a first V-shaped protrusion is arranged on the first sealing strip, a second V-shaped protrusion is arranged on the second sealing strip, and the first V-shaped protrusion is in extrusion contact with the channel door frame. And the second V-shaped bulge is in extrusion contact with the channel threshold. The airtight door sealing structure for the roll-on-roll-off ship channel equipment is high in airtightness, good in sealing effect, safe, stable, reliable and simple in overall structure.

Description

Technical Field

[0001] The utility model relates to the field of roll-on / roll-off equipment, in particular to an airtight door sealing structure for roll-on / roll-off ship passage equipment. Background Art

[0002] When a ro-ro ship is sailing, for safety reasons, an airtight door is installed at the passage. Generally, the sealing of the airtight door is achieved by fixing a rubber sealing ring around the door panel and pressing it against the door frame, where the door panel and the door frame are both arranged vertically and flatly; this sealing structure has no other problems, but it can be further improved to enhance the sealing effect. Utility Model Content

[0003] In view of the above-mentioned shortcomings that currently exist, the utility model provides an airtight door sealing structure for a ro-ro ship passage equipment, which has strong airtightness, good sealing effect, safety, stability and reliability, and simple overall structure.

[0004] In order to achieve the above object, the embodiment of the utility model adopts the following technical solution:

[0005] An airtight door sealing structure for a ro-ro ship passage equipment comprises a door panel, a passage door frame and a passage threshold, wherein the door panel is hinged to the ro-ro ship passage, and the two sides of the door panel are respectively fitted with the passage door frame and the passage threshold, and sealing pads are respectively arranged between the door panel and the passage door frame and the passage threshold, the door panel is arranged at an angle, the passage door frame is arranged at an angle to the vertical direction, and the passage threshold is arranged at an angle to the horizontal direction, a first sealing strip and a second sealing strip are arranged on the door panel, and cavities are arranged in the first sealing strip and the second sealing strip, the first sealing strip is provided with a first V-shaped protrusion, and the second sealing strip is provided with a second V-shaped protrusion, the first V-shaped protrusion is in extrusion contact with the passage door frame, and the second V-shaped protrusion is in extrusion contact with the passage threshold.

[0006] According to one aspect of the utility model, a first sealing groove and a second sealing groove are provided on the door panel, the first sealing strip is fixed in the first sealing groove, and the second sealing strip is fixed in the second sealing groove.

[0007] According to one aspect of the utility model, an auxiliary sealing strip is further provided on the door panel, a cavity is provided in the auxiliary sealing strip, an auxiliary V-shaped protrusion is provided on the auxiliary sealing strip, and the auxiliary V-shaped protrusion is in extrusion contact with the channel door frame.

[0008] According to one aspect of the utility model, gaskets are provided between the door panel and the passage door frame and the passage threshold, the sealing gasket is fixed around the door panel, and the gasket is fixed on the passage door frame and the passage threshold, and the sealing gasket is in extrusion contact with the gasket.

[0009] According to one aspect of the utility model, the door panel is further provided with an auxiliary sealing groove, and the auxiliary sealing strip is fixed in the auxiliary sealing groove.

[0010] According to one aspect of the utility model, the first V-shaped protrusion, the second V-shaped protrusion, and the auxiliary V-shaped protrusion are respectively in compression contact with the gasket.

[0011] According to one aspect of the utility model, the sealing pad, the first sealing strip, the second sealing strip, and the auxiliary sealing strip are all made of rubber, and the gasket is made of stainless steel.

[0012] According to one aspect of the utility model, the channel threshold is an inclined flat plate, and the first sealing groove, the second sealing groove and the auxiliary sealing groove are all strip grooves.

[0013] According to one aspect of the utility model, there are a certain number of auxiliary sealing strips and auxiliary sealing grooves, both of which are regularly distributed on the door panel.

[0014] According to one aspect of the utility model, the door panel is also provided with a telescopic rod, a latch, and a notch. The telescopic rod is connected to the latch, and a slot is provided in the passage door frame. The latch is driven by the telescopic rod to be inserted into the notch and the slot in sequence to lock the door panel and the passage door frame.

[0015] The advantages of the implementation of the utility model are as follows: when the door panel is closed, since the door panel (channel door frame, channel threshold) is tilted, the deadweight of the door panel can be used to squeeze the sealing pad, the first sealing strip, and the second sealing strip. At the same time, since the first sealing strip and the second sealing strip are provided with cavities, the first V-shaped protrusion is deformed after being squeezed and contacted with the channel door frame, and the second V-shaped protrusion is deformed after being squeezed and contacted with the channel threshold, so that the top, sides, and bottom of the door panel can be better sealed, and the sealing performance is excellent; in this way, the airtight door sealing structure has strong airtightness, is safe, stable and reliable, and has a simple overall structure. By setting the auxiliary sealing strip and the auxiliary V-shaped protrusion to be squeezed and contacted with the channel door frame, the present structure can further enhance the sealing performance and achieve a better sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure when the utility model is applied;

[0019] Figure 3 for Figure 2 Schematic diagram of the locally enlarged structure in A.

[0020] The names corresponding to the serial numbers in the figure are as follows:

[0021] 1. Door panel; 2. Sealing gasket; 3. First sealing strip; 4. Second sealing strip; 5. Auxiliary sealing strip; 6. Passage door frame; 7. Passage threshold; 8. Gasket; 9. First sealing groove; 10. Second sealing groove; 11. Auxiliary sealing groove; 12. Main body; 13. V-shaped protrusion; 14. Notch; 15. Ro-Ro ship passage; 16. Fixed ramp; 17. Cavity. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] Embodiment 1

[0024] like Figure 1 - Figure 3As shown, an airtight door sealing structure for a ro-ro ship passage equipment comprises a door panel 1, a sealing gasket 2, a first sealing strip 3, a second sealing strip 4, a passage door frame 6, and a passage threshold 7. The door panel 1 is a conventional structure, the top of the door panel 1 is hinged to the ro-ro ship passage 15, and the two sides of the door panel 1 are respectively fitted with the passage door frame 6 and the passage threshold 7; the door panel 1 is tilted and forms an angle of 15 degrees with the vertical direction, the passage door frame 6 is tilted at an angle of 15 degrees with the vertical direction, and the passage threshold 7 is tilted at an angle with the horizontal direction, and the structural shapes and layout forms of the door panel 1, the passage door frame 6, and the passage threshold 7 are adapted to each other; a first sealing groove 9 is provided on the top side of the door panel 1, and a second sealing groove 10 is provided on the bottom of the door panel 1, and the first sealing groove 9 and the second sealing groove 10 have the same structural shapes, and are both strip grooves surrounded by steel plates. The sealing gasket 2 is fixed on the left and right sides of the door panel 1, and is arranged between the door panel 1 and the passage door frame 6, and between the door panel 1 and the passage threshold 7; the sealing gasket 2 is V-shaped and made of rubber, and is used for sealing the left and right sides of the door panel 1. The first sealing strip 3 is fixed in the first sealing groove 9, and the second sealing strip 4 is fixed in the second sealing groove 10. The fixing method is arbitrary and can be fixed by gluing; the first sealing strip 3 and the second sealing strip 4 are both made of rubber, and are respectively used for sealing the top and bottom of the door panel 1; the first sealing strip 3 and the second sealing strip 4 have the same structural shape, and both are provided with a plurality of cavities 17 inside, and the cavities 17 facilitate the two sealing strips to be squeezed and deformed, and facilitate sealing; the first sealing strip 3 is integrally provided with a first V-shaped protrusion, and the second sealing strip 4 is integrally provided with a second V-shaped protrusion, and the first V-shaped protrusion is in extrusion contact with the passage door frame 6, The second V-shaped protrusion is in contact with the channel threshold 7 by compression; the first V-shaped protrusion and the second V-shaped protrusion have the same structural shape, which facilitates the deformation of the two sealing strips after being in contact with the channel door frame 6 and the channel threshold 7 by compression, and facilitates sealing; the structures of the two sealing strips can be divided into a main body 12 and a V-shaped protrusion 13, the main body 12 is in a strip shape (the cross section is rectangular as a whole), which is completely filled and fixed in the two strip-shaped sealing grooves, and the V-shaped protrusion 13 is in a V shape (the cross section is V-shaped or an isosceles triangle as a whole), which protrudes or is exposed outside the two sealing grooves, so that the two sealing strips are convenient for compression deformation and sealing. The channel door frame 6 and the channel threshold 7 are both located at the entrance and exit of the ro-ro ship channel 15, and both are integral parts of the ro-ro ship channel 15 or the ro-ro ship channel equipment; the channel threshold 7 is an inclined flat plate fixed on the surface of the fixed ramp 16.

[0025] In this embodiment, stainless steel gaskets 8 are fixed on the surface of the passage door frame 6 and the upper surface of the passage threshold 7, and the fixing method is arbitrary; the gaskets 8 are arranged between the door panel 1 and the passage door frame 6, and between the door panel 1 and the passage threshold 7. When the door panel 1 is closed, the sealing gasket 2, the first V-shaped protrusion, and the second V-shaped protrusion are respectively pressed and contacted with the gasket 8. The stainless steel gasket 8 is easy to press and contact the rubber, which is easy to seal.

[0026] In this embodiment, the door panel 1 is also provided with a telescopic rod, a latch, a notch 14, and a slot is provided in the passage door frame 6. The telescopic rod adopts an electric cylinder or an oil cylinder, which is fixedly installed on the inner wall of the door panel 1, and the extended end of the telescopic rod is fixed to the latch; the latch is rectangular, the notch 14 is a square hole, which is opened on the side of the door panel 1, and the slot is a rectangular slot, which is opened on the side of the passage door frame 6. The structural shapes and layout forms of the latch, notch 14, and slot are adapted to each other. When the door panel 1 is closed, the telescopic rod is extended to drive the latch to be inserted into the notch 14 and the slot in turn, so that the door panel 1 and the passage door frame 6 are locked and fixed. The telescopic rod, latch, notch 14, slot, etc. are arranged to lock and fix the door panel 1 after it is closed to ensure the structural stability, and at the same time, they can also play a role in sealing the middle part of the door panel 1 to enhance the sealing effect.

[0027] In actual application, a driving device for driving the door panel 1 to rotate and open and close is provided in the ro-ro ship channel equipment. This is not the object to be protected by this application and will not be described in detail.

[0028] In actual application, the ro-ro passage equipment (ro-ro passage 15, fixed ramp 16), door panel 1, passage door frame 6, and passage threshold 7 are existing technologies and will not be described in detail.

[0029] The airtightness principle of this embodiment is: when the door panel 1 is closed, since the door panel 1 (channel door frame 6, channel threshold 7) is set at an angle, the deadweight of the door panel 1 can be used to squeeze the sealing gasket 2, the first sealing strip 3, and the second sealing strip 4. At the same time, since the first sealing strip 3 and the second sealing strip 4 are provided with a cavity 17, the first V-shaped protrusion is deformed after being squeezed and contacted with the channel door frame 6, and the second V-shaped protrusion is deformed after being squeezed and contacted with the channel threshold 7, so that the top, both sides and bottom of the door panel 1 can be better sealed, and the sealing performance is excellent.

[0030] The beneficial effects of this embodiment are as follows: the airtight door sealing structure has strong airtightness, is safe, stable and reliable, and has a simple overall structure.

[0031] Embodiment 2

[0032] like Figure 1 - Figure 3As shown, an airtight door sealing structure for a ro-ro ship passage equipment comprises a door panel 1, a sealing gasket 2, a first sealing strip 3, a second sealing strip 4, an auxiliary sealing strip 5, a passage door frame 6, and a passage threshold 7. The door panel 1 is a conventional structure, the top of the door panel 1 is hinged to the ro-ro ship passage 15, and the two sides of the door panel 1 are respectively fitted with the passage door frame 6 and the passage threshold 7; the door panel 1 is tilted and forms an angle of 15 degrees with the vertical direction, the passage door frame 6 is tilted at an angle of 15 degrees with the vertical direction, and the passage threshold 7 is tilted at an angle with the horizontal direction, and the structural shapes and layout forms of the door panel 1, the passage door frame 6, and the passage threshold 7 are adapted to each other; a first sealing groove 9 is provided on the top side of the door panel 1, a second sealing groove 10 is provided on the bottom of the door panel 1, and an auxiliary sealing groove 11 is provided on the middle side of the door panel 1, and the shapes of the first sealing groove 9, the second sealing groove 10, and the auxiliary sealing groove 11 are consistent, and are all strip grooves surrounded by steel plates. The sealing gasket 2 is fixed on the left and right sides of the door panel 1. The sealing gasket 2 is arranged between the door panel 1 and the passage door frame 6, and between the door panel 1 and the passage threshold 7; the sealing gasket 2 is V-shaped and made of rubber material, and is used for sealing the left and right sides of the door panel 1. The first sealing strip 3 is fixed in the first sealing groove 9, the second sealing strip 4 is fixed in the second sealing groove 10, and the auxiliary sealing strip 5 is fixed in the auxiliary sealing groove 11. The fixing method is arbitrary and can be fixed by gluing; the materials of the first sealing strip 3, the second sealing strip 4, and the auxiliary sealing strip 5 are all made of rubber. The first sealing strip 3 and the second sealing strip 4 are respectively used for sealing the top and bottom of the door panel 1, and the auxiliary sealing strip 5 is used to enhance the sealing of the middle part of the door panel 1; the first sealing strip 3 and the second sealing strip 4 have the same structural shape, and the auxiliary sealing strip 5 is similar in shape to the first sealing strip 3 or the second sealing strip 4, and a number of cavities 17 are provided inside the three, and the cavity 17 facilitates the three sealing strips to be squeezed and deformed and to facilitate sealing; the first sealing strip 3 is integrally provided with a first V-shaped protrusion, and the second sealing strip 4 is integrally provided with a second V-shaped protrusion, and the auxiliary sealing An auxiliary V-shaped protrusion is integrally provided on the strip 5, the first V-shaped protrusion and the auxiliary V-shaped protrusion are respectively pressed and contacted with the channel door frame 6, and the second V-shaped protrusion is pressed and contacted with the channel threshold 7; the first V-shaped protrusion and the second V-shaped protrusion have the same structural shape, and the auxiliary V-shaped protrusion is similar in shape to the first V-shaped protrusion or the second V-shaped protrusion, which facilitates the three sealing strips to deform after being pressed and squeezed with the corresponding channel door frame 6 or channel threshold 7, and facilitates sealing; the structures of the three sealing strips can be divided into a main body 12 and a V-shaped protrusion 13, the main body 12 is in a strip shape (the cross section is rectangular as a whole), and it is completely filled and fixed in the three strip-shaped sealing grooves, and the V-shaped protrusion 13 is in a V shape (the cross section is V-shaped or an isosceles triangle as a whole), and it protrudes or is exposed outside the three sealing grooves, which facilitates the extrusion and deformation of the three sealing strips and facilitates sealing. The passage door frame 6 and the passage threshold 7 are both located at the entrance and exit of the RoRo passage 15 , and both are an integrated part of the RoRo passage 15 or the RoRo passage equipment; the passage threshold 7 is an inclined flat plate fixed on the surface of the fixed ramp 16 .

[0033] In this embodiment, stainless steel gaskets 8 are fixed on the surface of the passage door frame 6 and the upper surface of the passage threshold 7, and the fixing method is arbitrary; the gaskets 8 are arranged between the door panel 1 and the passage door frame 6, and between the door panel 1 and the passage threshold 7. When the door panel 1 is closed, the sealing gasket 2, the first V-shaped protrusion, the second V-shaped protrusion, and the auxiliary V-shaped protrusion are respectively pressed and contacted with the gasket 8. The stainless steel gasket 8 is easy to press and contact the rubber, which is easy to seal.

[0034] In this embodiment, there are several auxiliary sealing strips 5 and auxiliary sealing grooves 11, and the number and arrangement of the two are consistent, and the two are regularly distributed on the door panel 1. There are four groups of auxiliary sealing strips 5 and auxiliary sealing grooves 11, and two groups are arranged at intervals in the middle positions of the left and right sides of the door panel 1; the auxiliary sealing strips 5 can be located on the inner side of the sealing gasket 2 or the sealing gasket 2 can be disconnected from the middle.

[0035] In this embodiment, the door panel 1 is also provided with a telescopic rod, a latch, a notch 14, and a slot is provided in the passage door frame 6. The telescopic rod adopts an electric cylinder or an oil cylinder, which is fixedly installed on the inner wall of the door panel 1, and the extended end of the telescopic rod is fixed to the latch; the latch is rectangular, the notch 14 is a square hole, which is opened on the side of the door panel 1, and the slot is a rectangular slot, which is opened on the side of the passage door frame 6. The structural shapes and layout forms of the latch, notch 14, and slot are adapted to each other. When the door panel 1 is closed, the telescopic rod is extended to drive the latch to be inserted into the notch 14 and the slot in turn, so that the door panel 1 and the passage door frame 6 are locked and fixed. The telescopic rod, latch, notch 14, slot, etc. are arranged to lock and fix the door panel 1 after it is closed to ensure the stability of the structure, and can also play a role in sealing the middle part of the door panel 1 to enhance the sealing effect.

[0036] In actual application, a driving device for driving the door panel 1 to rotate and open and close is provided in the ro-ro ship channel equipment. This is not the object to be protected by this application and will not be described in detail.

[0037] In actual application, the ro-ro passage equipment (ro-ro passage 15, fixed ramp 16), door panel 1, passage door frame 6, and passage threshold 7 are existing technologies and will not be described in detail.

[0038] The airtightness principle of this embodiment is: when the door panel 1 is closed, since the door panel 1 (channel door frame 6, channel threshold 7) is set at an angle, the deadweight of the door panel 1 can be used to squeeze the sealing gasket 2, the auxiliary sealing strip 5, the first sealing strip 3, and the second sealing strip 4. At the same time, since the auxiliary sealing strip 5, the first sealing strip 3, and the second sealing strip 4 are all provided with a cavity 17, the auxiliary V-shaped protrusion and the first V-shaped protrusion are respectively deformed after being squeezed and contacted with the channel door frame 6, and the second V-shaped protrusion is deformed after being squeezed and contacted with the channel threshold 7, so that the top, both sides (middle), and bottom of the door panel 1 can be better sealed, and the sealing performance is excellent.

[0039] The beneficial effects of this embodiment are as follows: by providing the auxiliary sealing strip 5 and the auxiliary V-shaped protrusions to press and contact with the channel door frame 6, this structure can further enhance the sealing performance and achieve a better sealing effect. The airtight door sealing structure has strong airtightness, is safe, stable and reliable, and has a simple overall structure.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. An airtight door sealing structure for a ro-ro ship passage equipment, comprising a door panel (1), a passage door frame (6), and a passage threshold (7), wherein the door panel (1) is hinged to a ro-ro ship passage (15), and both sides of the door panel (1) are respectively in contact with the passage door frame (6) and the passage threshold (7), and sealing pads (2) are respectively provided between the door panel (1) and the passage door frame (6) and the passage threshold (7), characterized in that: The door panel (1) is arranged at an angle, the passage door frame (6) is arranged at an angle to the vertical direction, and the passage threshold (7) is arranged at an angle to the horizontal direction. The door panel (1) is provided with a first sealing strip (3) and a second sealing strip (4), and cavities (17) are provided in the first sealing strip (3) and the second sealing strip (4). The first sealing strip (3) is provided with a first V-shaped protrusion, and the second sealing strip (4) is provided with a second V-shaped protrusion. The first V-shaped protrusion is in compression contact with the passage door frame (6), and the second V-shaped protrusion is in compression contact with the passage threshold (7).

2. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 1 is characterized in that: The door panel (1) is provided with a first sealing groove (9) and a second sealing groove (10); the first sealing strip (3) is fixed in the first sealing groove (9), and the second sealing strip (4) is fixed in the second sealing groove (10).

3. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 2 is characterized in that: The door panel (1) is also provided with an auxiliary sealing strip (5), a cavity (17) is provided in the auxiliary sealing strip (5), and an auxiliary V-shaped protrusion is provided on the auxiliary sealing strip (5), and the auxiliary V-shaped protrusion is in compression contact with the channel door frame (6).

4. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 3 is characterized in that: Gaskets (8) are provided between the door panel (1) and the passage door frame (6) and the passage threshold (7), respectively; the sealing gasket (2) is fixed around the door panel (1), and the gasket (8) is fixed on the passage door frame (6) and the passage threshold (7), respectively; the sealing gasket (2) is in compression contact with the gasket (8).

5. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 3 is characterized in that: The door panel (1) is also provided with an auxiliary sealing groove (11), and the auxiliary sealing strip (5) is fixed in the auxiliary sealing groove (11).

6. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 4, characterized in that: The first V-shaped protrusion, the second V-shaped protrusion and the auxiliary V-shaped protrusion are respectively in compression contact with the gasket (8).

7. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 4, characterized in that: The sealing pad (2), the first sealing strip (3), the second sealing strip (4), and the auxiliary sealing strip (5) are all made of rubber, and the gasket (8) is made of stainless steel.

8. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 5, characterized in that: The channel threshold (7) is an inclined flat plate, and the first sealing groove (9), the second sealing groove (10) and the auxiliary sealing groove (11) are all strip grooves.

9. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 5, characterized in that: There are a certain number of auxiliary sealing strips (5) and auxiliary sealing grooves (11), both of which are regularly distributed on the door panel (1).

10. The airtight door sealing structure for the ro-ro ship passage equipment according to claim 1, characterized in that: The door panel (1) is also provided with a telescopic rod, a latch and a slot (14); the telescopic rod is connected to the latch; a slot is provided in the passage door frame (6); the latch is driven by the telescopic rod to be inserted into the slot (14) and the slot in sequence, thereby locking the door panel (1) and the passage door frame (6).

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