CN216783831U

CN216783831U - Gooseneck funnel and boats and ships

Info

Publication number: CN216783831U
Application number: CN202123284636.8U
Authority: CN
Inventors: 安志杰; 熊正强; 严缔华; 王洋
Original assignee: Wuchang Shipbuilding Industry Group Co Ltd
Current assignee: Wuchang Shipbuilding Industry Group Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-21
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a gooseneck ventilating duct and a ship, wherein the gooseneck ventilating duct comprises a main duct and more than two branch ducts communicated with the main duct; the main cylinder is provided with an air inlet end and an air outlet end which are arranged oppositely; more than two branch cylinders are arranged at intervals along the circumferential direction of the main cylinder; each branch cylinder comprises a gooseneck section, the gooseneck section is arranged at the air outlet end of the main cylinder in a circular arc bending mode, and the port of each branch cylinder forms the air outlet of the gooseneck ventilating cylinder. Compared with the prior art, the gooseneck ventilating duct has the advantages that under the conditions that the total sectional area of the total air outlet is the same and the distance between the bifurcated duct and the main duct is the same, the bifurcated duct is bent towards different directions, the bending radius of the bifurcated duct is naturally reduced, the bending radius can be reduced by half to the maximum extent, and the overall height of the gooseneck ventilating duct is reduced accordingly. The cover plates are the same as the branch cylinders in number, and the cover plates are movably arranged at the air outlet one by one to open or close the air outlet to match different operation requirements.

Description

Gooseneck funnel and boats and ships

Technical Field

The utility model relates to the technical field of ship equipment, in particular to a gooseneck ventilating duct and a ship.

Background

In the design of a ship, ventilation of an internal cabin of the ship is generally realized through a gooseneck type ventilation barrel arranged on a deck, and due to the fact that space of the ship is not used for a valuable purpose, especially in a freeboard deck bulwark area and a window lower area, the gooseneck ventilation barrel is large in installation limitation, and the attractiveness of the ship and cargo loading and unloading are affected. Meanwhile, the wind area of the side wall of the ventilating duct is large, the root of the ventilating duct is stressed greatly and is easy to damage, and the ventilating duct is easy to collide and damage during cargo handling or mooring operation, so that the safety is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to overcome the defects of the prior art and provide the gooseneck ventilating duct and the ship, and the height of the gooseneck section is reduced on the premise that the total air outlet area meets the international standard, so that the effect of convenient arrangement of the ventilating duct is realized, and the technical problems of affecting the aesthetic property of the ship and cargo loading and unloading are avoided.

The technical scheme for realizing the technical purpose of the utility model is that the gooseneck ventilating duct comprises:

the main cylinder is provided with an air inlet end and an air outlet end which are arranged oppositely;

more than two branch cylinders which are communicated with the main cylinder and are arranged at intervals along the circumferential direction of the main cylinder; each branch cylinder comprises a gooseneck section, and the gooseneck section is arranged at the air outlet end of the main cylinder in a circular arc bending mode.

Furthermore, the branch cylinders also comprise straight cylinder sections communicated with the air outlet ends of the gooseneck sections, and the straight cylinder sections have vertical projection components; and a water sealing assembly is arranged in the straight cylinder section.

Further, the axis of the straight cylinder section is vertical to the horizontal plane; the water sealing assembly comprises a limiting part, a rotating plate and a floating ball; the limiting piece is arranged in the straight cylinder section; the rotating plate is rotatably arranged in the straight cylinder section; the floating ball is connected to one side face of the rotating plate, and an interval is reserved between the floating ball and a rotating shaft of the rotating plate, so that the floating ball drives the rotating plate to rotate to be in contact with the limiting part.

Furthermore, a rotating shaft is arranged on the rotating plate and forms the rotating shaft; the locating part includes along the more than two bosss that circumference set up, just more than two bosss distribute in the both sides of pivot, so that the floater drives the rotor plate rotate to with more than two bosss all contact, in order to seal the straight section of thick bamboo.

Furthermore, the number of the branch cylinders is two, and the bending directions of the gooseneck sections of the two branch cylinders are opposite.

Furthermore, the cross sections of the main cylinder and the branch cylinders are rectangular, and the two branch cylinders are symmetrically distributed on the main cylinder; and a filter screen piece is arranged in each branch cylinder, and the filter screen piece and the water sealing assembly are arranged at intervals.

Furthermore, the gooseneck ventilating duct also comprises cover plates with the same number as the branch ducts, and the cover plates are movably arranged at the corresponding air outlet ends of the branch ducts so as to open or close the air outlet ends of the branch ducts.

Furthermore, one end of the cover plate is hinged to the branch cylinder, and the other end of the cover plate is movably matched with a spiral clamp buckle arranged on the branch cylinder; the spiral clamp buckle comprises a screw rod and a nut arranged on the screw rod, and the screw rod is hinged to the outer wall of the branch cylinder; the movable end of the cover plate is provided with an opening guide groove for the screw to rotate in or out.

Furthermore, a sealing ring for sealing a gap between the cover plate and the air outlet end of the branch cylinder is arranged on the cover plate; and a locking piece for locking the cover plate in an opening state is arranged on the outer cylinder wall of the main cylinder.

Based on the same inventive concept, the utility model also provides a ship, which comprises a ship body and the gooseneck ventilating duct, wherein the gooseneck ventilating duct is arranged on the ship body.

According to the technical scheme, the gooseneck ventilating duct provided by the utility model comprises a main duct and more than two branch ducts; the main cylinder is provided with an air inlet end and an air outlet end which are arranged oppositely, is used for communicating the upper ends of a ventilation pipe and a ventilator which are arranged on an weather deck of the ship and is used as a main channel for connecting the cabin with the outside and supplying airflow to flow. More than two branch cylinders are communicated with the main cylinder and are arranged at intervals along the circumferential direction of the main cylinder; each branch cylinder all includes the gooseneck section, the gooseneck section circular arc crooked set up in the air-out end of main section of thick bamboo is the same with the gooseneck draft tube of china international standard of prior art, and each gooseneck section is crooked with the radius circular arc of settlement respectively, makes the air outlet of branch cylinder face the deck direction, can avoid passing through the draft tube when ventilating to the cabin in the rainwater and falling into the cabin. Compared with the prior art, under the condition that the total sectional area of the total air outlet is the same and the distance between the gooseneck section and the main cylinder is the same, because more than two gooseneck sections are bent towards different directions, the bending radius of the gooseneck section is naturally reduced, the overall height of the gooseneck ventilating cylinder is reduced, and the height can be reduced by D/2 to the maximum extent, wherein D is the difference of the bending radii of the two end surfaces of the gooseneck section in the scheme of the branch cylinder in the prior art, namely the radial distance between the two end surfaces of the main cylinder section along the bending radial direction.

Compared with the prior art, the utility model can reduce the overall height of the gooseneck ventilating duct on the premise of ensuring the ventilation area, so that the gooseneck ventilating duct can be arranged near bulwarks, windows, work boats and the like, avoids collision with cables, goods loading and unloading, mobile equipment and the like on the premise of ensuring the ventilation effect, ensures the safety of ship operation, and breaks the arrangement limitation of the existing gooseneck ventilating duct. Reduction of gooseneck funnel height the draught fan side wall area of being ventilated is great, and the draught fan root atress is great easily damaged, and the draught fan produces collision damage easily during goods loading and unloading or operation, and the security is not high.

Drawings

Fig. 1 is a schematic structural view of a gooseneck funnel according to embodiment 1 of the present invention;

FIG. 2 is a schematic illustration of the gooseneck funnel of FIG. 1 in a water-sealed condition and a vented condition;

fig. 3 is a view from direction a in fig. 2.

Reference numerals: 1-a main cylinder; 2-branch cylinder, 21-gooseneck section and 22-straight cylinder section; 3-water sealing component, 31-rotating plate, 32-floating ball, 33-rotating shaft, 34-boss, 35-fixing seat and 36-sealing rubber; 4-cover plate, 41-sealing ring; 5-screw clip, 51-screw rod, 52-nut; 6-a locking member; 7-a filter screen element; 8-reinforcing ribs; 9-deck.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

The utility model provides a gooseneck ventilating duct and a ship, aiming at solving the technical problems that the height of a ship ventilating duct exceeds the bottom of a bulwark and a window, collision is easy to occur during cargo loading and unloading, the wind-exposed area of the part above the bulwark is large, the arrangement limitation is large and the like. The utility model is illustrated in detail below by means of two specific examples.

Example 1

As shown in fig. 1-3, a gooseneck ventilating pipe according to an embodiment of the present invention includes a main pipe 1 and two or more branch pipes 2; the main barrel 1 is provided with an air inlet end and an air outlet end which are arranged oppositely, and is used for communicating the upper ends of a ventilation pipe and a ventilation fan which are arranged on a weather deck 9 of a ship and used as a main channel for connecting a cabin with the outside and supplying airflow to flow. More than two branch cylinders 2 are communicated with the main cylinder 1 and are arranged at intervals along the circumferential direction of the main cylinder 1; each branch section of thick bamboo 2 all includes gooseneck section 21, and the crooked air-out end that sets up in main section of thick bamboo 1 of gooseneck section 21 circular arc is the same with the gooseneck ventilating duct of prior art china boundary standard, and each gooseneck section of thick bamboo 21 is crooked with the radius circular arc of settlement respectively for the air outlet of branch section of thick bamboo 2 is towards deck 9 direction, and the rainwater falls into the cabin through the ventilating duct when can avoiding ventilating to the cabin in. Compared with the prior art, under the condition that the total cross-sectional area of the total air outlet is the same and the distance between the gooseneck section 21 and the main cylinder 1 is the same, because more than two gooseneck sections 21 are bent towards different directions, the bending radius of the gooseneck section 21 is naturally reduced, the overall height of the gooseneck ventilating cylinder is reduced along with the reduction of the total height, and the height can be reduced by D/2 to the maximum extent, wherein D is the difference value of the bending radii of the two end surfaces of the gooseneck section 21 in the scheme of one branch cylinder 2 in the prior art, namely the radial distance between the two end surfaces.

The gooseneck ventilating ducts of AB, BB, CA and CB type among the prior art all adopt the gooseneck section 21 of circular arc bending, and its height generally can surpass bulwark, window bottom etc. influence boats and ships pleasing to the eye and crewman's sight, and the area of catching wind is great on the ventilating duct bulwark, and the ventilating duct root atress is great easily damaged. Compared with the prior art, the utility model can reduce the overall height of the gooseneck ventilating duct on the premise of ensuring the ventilation area, so that the gooseneck ventilating duct can be arranged near bulwarks, windows, work boats and the like, avoids collision with cables, goods loading and unloading, mobile equipment and the like on the premise of ensuring the ventilation effect, ensures the safety of ship operation, and breaks the arrangement limitation of the existing gooseneck ventilating duct. Reduction of gooseneck funnel height the draught fan side wall area of being ventilated is great, and the draught fan root atress is great easily damaged, and the draught fan produces collision damage easily during goods loading and unloading or operation, and the security is not high.

In order to match different operation requirements, in this embodiment, the gooseneck ventilating duct further includes cover plates 4 having the same number as the branch ducts 2, and the cover plates 4 are movably disposed at the air outlet ends of the corresponding branch ducts 2 to open or close the air outlet ends of the branch ducts 2, so as to select whether to ventilate.

The connection mode of the cover plate 4 and the branch cylinder 2 is not particularly limited, and optionally, the cover plate 4 and the branch cylinder 2 are detachably connected. For convenience of operation, in the present embodiment, it is preferable that one end of the cover plate 4 is hinged to the branch cylinder 2, and the other end is movably engaged with a screw clip 5 provided on the branch cylinder 2. The spiral clamp buckle 5 comprises a screw rod 51 and a nut 52 arranged on the screw rod 51, and the screw rod 51 is hinged on the outer wall of the branch cylinder 2; the movable end of the cover plate 4 is provided with an open channel for the screw 51 to rotate in and out.

In order to ensure the sealing effect, in the embodiment, the cover plate 4 is provided with an annular groove, and a sealing ring 41 for sealing the gap between the cover plate 4 and the straight cylinder section 22 when the straight cylinder section 22 is closed by the cover plate 4 is arranged in the annular groove.

As the movable end of the cover plate 4 is vertical naturally in a ventilation state, the cover plate is easy to shake and collide under the action of wind and factors such as unstable running of a ship, and the like, and in order to avoid noise generated by shaking, the gooseneck ventilating tube provided by the utility model has the advantages that the locking piece 6 for locking and opening the cover plate 4 is arranged on the outer tube wall of the main tube 1, so that the cover plate 4 is not shaken in the whole operation process of the ship in the ventilation state. In this embodiment, the locking member 6 is the same as the screw clip 5 in composition, and includes a screw rod hinged to the outside of the wall of the main tube 1 and a nut with an adjustable position arranged on the screw rod, wherein in the locked state, the screw rod is located in the open guide groove of the movable end of the cover plate 4, and the nut fixes the cover plate 4 at the limited rotation position.

Gooseneck ventilation tube among the prior art standard, when meetting adverse circumstances, the ventilation tube can be soaked to the sea water, if close apron 4, the sea water can pass through in the ventilation tube gets into the cabin, and the security is not high. In order to improve the security of the abominable operating mode of gooseneck draft tube, in this embodiment, branch section of thick bamboo 2 still all includes the straight section of thick bamboo 22 that communicates in the air-out end of gooseneck section 21, and straight section of thick bamboo 22 has vertical projection weight, in order to prevent that the sea water from pouring into the hull, is provided with in the straight section of thick bamboo 22 and seals water subassembly 3 for controlling switching on or closing of straight section of thick bamboo 22, straight section of thick bamboo 22 realizes when the control water level rises, provides the time for the operation of sealing water subassembly 3.

The structure of the water seal unit 3 is not limited in the present invention, and may be any structure that can be implemented. For example, a structure of opening and closing the door is adopted, a sealing structure and a liquid level sensor are arranged in the straight cylinder section 22, signals are transmitted through the sensor, and the motor drives the opening and closing door to rotate until the opening and closing door is sealed.

In order to save cost and ensure that the water sealing component 3 is closed before seawater overflows to realize automatic sealing, in this embodiment, the axis of the straight cylinder section 22 is perpendicular to the horizontal plane, the water sealing component 3 comprises a limiting part, a rotating plate 31 and a floating ball 32, automatic switching is realized by utilizing buoyancy force received by the floating ball 32, and the rotating plate 31 and the floating ball 32 are in a vertical state due to self weight in a natural state, so that stable ventilation at two sides of the straight cylinder section 22 is ensured, and the ventilation effect is not influenced. Specifically, the limiting member is disposed in the straight cylinder section 22; the rotating plate 31 is rotatably disposed in the straight cylinder section 22, so that the rotating plate 31 can be switched between being parallel to the straight cylinder section 22 and having an included angle with the straight cylinder section 22. The floating ball 32 is connected to a side surface of the rotating plate 31, and the floating ball 32 is spaced from the rotating shaft 33 of the rotating plate 31, preferably, the floating ball 32 is as close as possible to one end of the rotating plate 31, so that the floating ball 32 drives the rotating plate 31 to rotate to contact with the limiting member.

In this embodiment, the rotating plate 31 is provided with a rotating shaft 33, the rotating shaft 33 penetrates through the straight cylinder section 22 and the rotating plate 31 to rotatably arrange the rotating plate 31 in the straight cylinder section 22, and the rotating shaft 33 constitutes the rotating shaft 33. The limiting member includes more than two bosses 34 arranged along the circumferential direction, and the more than two bosses 34 are distributed on two sides of the rotating shaft 33, so that the floating ball 32 drives the rotating plate 31 to rotate to be in contact with the more than two bosses 34, and the straight cylinder section 22 is sealed. In this embodiment, the side of the boss 34 for contacting the rotating plate 31 is provided with an elastic sealing rubber 36, and preferably, the bosses 34 on both sides are parallel to the side of the contacting rotating plate 31, respectively, under the sealing of the sealing assembly, as shown in fig. 2.

In the present invention, in order to prevent the floating ball 32 from being dislocated, the floating ball 32 is fixed on the rotating plate 31 by a screw structure.

The number of the branch cylinders 2 is not limited, and the space on the ship is limited, so that the space is saved, in the embodiment, the number of the branch cylinders 2 is two, and the bending directions of the gooseneck sections 21 of the two branch cylinders 2 are opposite, so that the height is reduced, and meanwhile, the occupied space for installation is saved to the greatest extent.

In this embodiment, because the air inlet end of at least two branch section of thick bamboo 2 all directly communicates with the air-out end of main section of thick bamboo 1, the inlet face of two at least gooseneck sections 21 all is located the export face of main section of thick bamboo 1 promptly. If the gooseneck ventilating duct adopts circular section or oblate section, inevitably lead to the unable utilization of partial outlet face of main section of thick bamboo 1, namely make the air-out area of gooseneck section 21 be less than the air-out area of main section of thick bamboo 1. When the air outlet area of the gooseneck section 21 is controlled, the size of the main cylinder 1 of the gooseneck ventilating duct is inevitably larger than that of the main cylinder 1 in the prior art. In order to reduce the height and ensure that the air outlet area of the gooseneck section 21 is the same as the air outlet area of the main cylinder 1, in the present embodiment, the cross sections of the main cylinder 1 and the branch cylinders 2 are preferably rectangular, as shown in fig. 3.

In order to optimize the effect of reducing the height, in the present embodiment, the two branch pipes 2 are symmetrically distributed on the main pipe 1, and compared with the standard ventilation pipe, D/2 can be reduced in height, where D is the difference between the bending radii of the two end surfaces of the gooseneck portion 21 in the solution of one branch pipe 2 in the prior art, that is, the radial distance between the two end surfaces of the main pipe 1 along the bending radius, as shown in fig. 1.

In order to prevent insects, rats and the like from entering the cabin, the filter screen member 7 is arranged in the gooseneck ventilating duct, the arrangement position and the structure of the filter screen member 7 are not limited in the utility model, and optionally, the filter screen member 7 is arranged in the straight section 22. In order to clean impurities, in the embodiment, a filter element 7 is disposed in each branch cylinder 2. The utility model does not limit the arrangement position and the structure of the filter screen member 7, as one mode, the periphery of the filter screen member 7 is provided with a rigid structure, a fixed seat 35 for installing the filter screen member 7 is arranged in the branch cylinder 2, and the filter screen member 7 is fixed on the fixed seat 35 through a bolt. Preferably, the filter screen member 7 is disposed in the cylindrical section 22 or in the gooseneck section 21 within a semicircular range close to the cylindrical section 22.

Example 2

Based on the same inventive concept, the embodiment also provides a ship, which comprises a ship body and the gooseneck ventilating ducts in the embodiment 1, wherein the gooseneck ventilating ducts are arranged on the ship body, and the structures, which are not described, of the ship can refer to the prior art.

In order to ensure the wind strength of the gooseneck ventilating tube, the main tube 1 of the ship provided by the utility model is provided with the reinforcing ribs 8 for connecting the main tube 1 and the ship, and in the embodiment, the reinforcing ribs 8 are in a triangular plate structure.

In the design of a ship, CB/T4220-2013 gooseneck type ventilation ducts are generally selected for ventilation inlets and outlets arranged on a deck 9, in order to not affect the aesthetic property of the ship, cargo loading and unloading and the like, the ventilation ducts are arranged by a bulwark or a bulkhead, the height of the bulwark of the ship is generally 1100mm, the height of the bottom of a window on the bulkhead from the deck 9 is generally 1000mm, the specification of a sea ship requires that the distance H from the lowest part of the ventilation ducts of the freeboard deck 9, where water can enter, is more than or equal to 900mm, the specification of an inland ship requires that the distance H from the lowest part of the ventilation ducts of the freeboard deck 9, where water can enter, is more than or equal to 500mm, and the CB/T4220-2013 gooseneck type ventilation ducts have the following defects:

1. for the gooseneck type ventilation barrel with the drift diameter larger than 200mm, the gooseneck type ventilation barrel is arranged at the bulwark, the height of the gooseneck type ventilation barrel can exceed the bulwark, and the appearance of a ship and the loading and unloading of goods are influenced. 2. For gooseneck vents with a drift diameter >100mm, arranged below the bulkhead window, the height of the gooseneck vent can exceed the bottom of the window, which can affect the appearance of the ship and the sight of crew. 3. Use current standard, latus rectum >200mm air funnel should not arrange in bulwark department, and latus rectum >200mm air funnel can not arrange in the window below, arranges and has certain limitation. 4. The existing standard is used, the windward area on the bulwark of the ventilating duct is large, the root of the ventilating duct is stressed greatly and is easy to damage, and the ventilating duct is easy to collide and damage during cargo loading and unloading or operation, so that the safety is not high. 5. Use current standard, meet the sea water and can soak the draft tube, if close apron 4, the sea water can pass through the draft tube and get into the cabin indoor, and the security is not high.

According to the ship provided by the embodiment, the gooseneck type ventilating duct with more than two branch ducts 2 reduces the total height, avoids exceeding environmental elements such as bulwarks and the like, facilitates cargo handling, and ensures the attractiveness of the ship and the sight of crew; and the arrangement position is not limited. In addition, after the height is reduced, the wind area is reduced, the collision generated during cargo loading and unloading is avoided, and the durability and the safety are good; ponding on deck 9, and when ponding immerged the gooseneck funnel, the funnel port can be closed through water sealing component 3 self-adaptation, avoids the sea water to enter the cabin, ensures boats and ships safety.

Through the embodiment, the utility model has the following beneficial effects or advantages:

1) compared with a CB/T4220-2013 gooseneck type ventilating duct and a ventilating duct with the same sectional area, the total height of the ventilating duct is reduced, the ventilating duct can be arranged near bulwarks, windows, work boats and the like, under the condition that the ventilating effect is ensured, collision of cables, goods loading and unloading, moving equipment and the like is avoided, and the operation safety of ships is ensured. The gooseneck ventilating duct has novel design, simple structure, convenient arrangement, wide application range, safety, reliability and good sealing performance, solves the problems that the ship ventilating duct is higher than the bottom of a bulwark and a window, is easy to collide when loading and unloading goods, has large wind area of the part above the bulwark, has large arrangement limitation, is easy to enter water and the like,

2) in the ventilation process, meet abominable sea condition, the draft tube has been soaked to the sea water, and when the high position of floater was reachd to the water level, the buoyancy of water can push away the floater upward movement, when the rotor plate rotated to the contact and compressed tightly the sealing rubber on the boss, can form sealed effect, made the water level can not rise again, entered into inside the draft tube, and then avoided the sea water to pass through the draft tube and got into the boats and ships cabin, promoted boats and ships safety.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A gooseneck chimney, comprising:

2. The gooseneck funnel according to claim 1, wherein the branch tubes each further include a straight tube section communicating with an air outlet end of the gooseneck section, the straight tube section having a vertical projection component; and a water sealing assembly is arranged in the straight cylinder section.

3. The gooseneck funnel of claim 2, wherein the axis of the straight section is perpendicular to a horizontal plane; the water sealing assembly comprises a limiting part, a rotating plate and a floating ball; the limiting piece is arranged in the straight cylinder section; the rotating plate is rotatably arranged in the straight cylinder section; the floating ball is connected to one side face of the rotating plate, and an interval is reserved between the floating ball and a rotating shaft of the rotating plate, so that the floating ball drives the rotating plate to rotate to be in contact with the limiting part.

4. The gooseneck funnel according to claim 3, wherein the rotor plate is provided with a shaft, the shaft constituting the rotating shaft; the locating part includes along the more than two bosss that circumference set up, just more than two bosss distribute in the both sides of pivot, so that the floater drives the rotor plate rotate to with more than two bosss all contact, in order to seal the straight section of thick bamboo.

5. The gooseneck funnel according to any of claims 2-4, wherein the number of branch tubes is two, and the gooseneck sections of the two branch tubes are bent in opposite directions.

6. The gooseneck funnel according to claim 5, wherein the main tube and the branch tubes each have a rectangular cross-section, and the two branch tubes are symmetrically distributed on the main tube; and a filter screen piece is arranged in each branch cylinder, and the filter screen piece and the water sealing assembly are arranged at intervals.

7. The gooseneck funnel according to any one of claims 1-4, further comprising cover plates, the number of which is the same as that of the branch tubes, wherein the cover plates are movably arranged at the air outlet ends of the corresponding branch tubes to open or close the air outlet ends of the branch tubes.

8. The gooseneck funnel according to claim 7, wherein the cover plate is hingedly connected at one end to the branch tube and is movably engaged at the other end with a screw clip provided on the branch tube; the spiral clamp buckle comprises a screw rod and a nut arranged on the screw rod, and the screw rod is hinged to the outer wall of the branch cylinder; the movable end of the cover plate is provided with an opening guide groove for the screw to rotate in or out.

9. The gooseneck funnel of claim 8, wherein the cover plate is provided with a sealing ring for sealing a gap between the cover plate and the outlet end of the branch tube; and a locking piece for locking the cover plate in an opening state is arranged on the outer cylinder wall of the main cylinder.

10. A marine vessel comprising a hull and the gooseneck funnel of any one of claims 1-9, the gooseneck funnel being disposed on the hull.