CN217198618U - Marine waterproof and airflow backflow-preventing ventilating funnel - Google Patents

Abstract

The utility model discloses a marine funnel that prevents air current and flow backward, including the funnel barrel, the upper end of funnel barrel is provided with and shelters from the cap, the upper end of funnel barrel is located the inboard fixedly connected with connecting rod that shelters from the cap, shelter from the inboard first dog of fixedly connected with of cap, outside fixedly connected with second dog of funnel barrel upper end, the inside upper end of funnel barrel is provided with the air current and prevents flowing backward mechanism, it is the toper structural design to shelter from the cap, the connecting rod is kept away from the one end of funnel barrel and is sheltered from cap fixed connection, the connecting rod distributes with the centre of a circle annular array of funnel barrel has four, the inside of funnel barrel is located the air current and prevents that flowing backward the top of mechanism is provided with steam filtering mechanism, the utility model relates to a marine funnel technical field. This marine funnel that prevents air current and flow backward has solved current funnel and can not effectively prevent the problem that rivers and air current flow backward.

Description

Marine waterproof and airflow backflow-preventing ventilating funnel

Technical Field

The utility model relates to a marine funnel technical field specifically is a marine funnel of preventing rivers backward flow.

Background

The existing marine ventilator is a pipeline for ventilating the internal space of a ship, is generally installed on a deck or the surface of a ship body and is used for ventilating the internal space of the ship body, but in the running process of the ship, the environment is complex, the difference between the internal air pressure and the external air pressure of the ship body can occur, so that the air pressure difference is caused, airflow in the ventilator forms backward flow, and meanwhile, when rain or wind waves are large, the airflow easily flows backward and enters the ventilator.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a marine funnel that prevents that air current from flowing backward has solved current funnel and can not effectively prevent the problem that rivers and air current flow backward.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a marine funnel that prevents that air current flows backward, includes the funnel barrel, the upper end of funnel barrel is provided with blocks the cap, the upper end of funnel barrel is located the inboard fixedly connected with connecting rod that blocks the cap, the inboard first dog of fixedly connected with that blocks the cap, outside fixedly connected with second dog of funnel barrel upper end, the inside upper end of funnel barrel is provided with the air current and prevents flowing backward the mechanism.

Preferably, the shielding cap is of a conical structural design, the outer diameter of the lower end of the shielding cap is larger than the outer diameter of the upper end of the ventilating funnel barrel, one end, far away from the ventilating funnel barrel, of the connecting rod is fixedly connected with the shielding cap, four connecting rods are distributed in an annular array mode with the circle center of the ventilating funnel barrel, and a water vapor filtering mechanism is arranged above the airflow backflow preventing mechanism and located inside the ventilating funnel barrel.

Preferably, the airflow backflow preventing mechanism comprises a limiting plate, an installation shaft, a fan-shaped movable plate, a fixed rod and a telescopic spring, the limiting plate is fixedly connected to the inside of the ventilator barrel, the inside of the ventilator barrel is located on the installation shaft fixedly connected with the side of the limiting plate, the fan-shaped movable plate is rotatably connected to the side of the installation shaft, the fixed rod is fixedly connected to the lower end of the installation shaft, and the telescopic spring is arranged on the side of the fixed rod.

Preferably, fan-shaped fly leaf and expanding spring are provided with two, and two respectively about the vertical central line symmetry of installation axle expanding spring's one end respectively with dead lever fixed connection, two expanding spring's one end respectively with two the lower extreme fixed connection of fan-shaped fly leaf, the internal diameter of limiting plate is less than the external diameter of fan-shaped fly leaf.

Preferably, the steam filtering mechanism includes the spoiler, goes out water inclined hole and water blocking plate, the inner wall fixedly connected with spoiler of chimney barrel, the spoiler is L type structural design, the water inclined hole has been seted up to the avris that the upper end of chimney barrel is located the spoiler, the surface of chimney barrel upper end is located the outside fixedly connected with water blocking plate of water inclined hole.

Preferably, the spoiler symmetry is provided with two, and two the spoiler is the staggered form and distributes, the avris and the play water inclined hole mutual adaptation of spoiler upper end, spoiler and fan-shaped fly leaf mutual adaptation.

(III) advantageous effects

The utility model provides a marine draft tube that prevents air current and flow backward. The method has the following beneficial effects:

(1) this marine funnel that prevents that air current flows backward blocks the rainwater on the funnel by utilizing to block the cap, avoid stormy waves and rainwater to pour into the funnel barrel, and first dog and second dog prevent that rivers from climbing along the inner wall, the inside spoiler that is provided with of funnel barrel simultaneously, carry out the separation with the steam that carries in the air current, make its condensation on the spoiler to discharge through going out water inclined hole, improved waterproof nature and avoided rivers to get into the barrel.

(2) This marine funnel of preventing rivers flowing backward utilizes expanding spring's elasticity to make the change end and the limiting plate of fan-shaped fly leaf laminate each other, and when ventilating, the air current promotes fan-shaped fly leaf downwards to the passageway is opened, realizes ventilating, and when the air current flows backward, the limiting plate blocks fan-shaped fly leaf and opens, closes the passageway, prevents that the air current from flowing backward.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is an enlarged structural diagram of a region B in fig. 2.

In the figure: 1. a funnel barrel; 2. a blocking cap; 3. a connecting rod; 4. a first stopper; 5. a second stopper; 6. an airflow backflow prevention mechanism; 61. a limiting plate; 62. installing a shaft; 63. a sector-shaped movable plate; 64. fixing the rod; 65. a tension spring; 7. a water vapor filtering mechanism; 71. a spoiler; 72. an inclined water outlet hole; 73. a water-blocking plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the first embodiment is as follows: a marine funnel capable of preventing water and airflow from flowing backwards comprises a funnel barrel body 1, a shielding cap 2 is arranged at the upper end of the funnel barrel body 1, a connecting rod 3 is fixedly connected at the upper end of the funnel barrel body 1, which is positioned at the inner side of the shielding cap 2, a first stop block 4 is fixedly connected at the inner side of the shielding cap 2, a second stop block 5 is fixedly connected at the outer side of the upper end of the funnel barrel body 1, an airflow backflow preventing mechanism 6 is arranged at the upper end of the inner part of the funnel barrel body 1, the airflow backflow preventing mechanism 6 comprises a limiting plate 61, a mounting shaft 62, a fan-shaped movable plate 63, a fixing rod 64 and a telescopic spring 65, the limiting plate 61 is fixedly connected at the inner part of the funnel barrel body 1, the mounting shaft 62 is fixedly connected at the side of the limiting plate 61 at the inner part of the funnel barrel body 1, the fan-shaped movable plate 63 is rotatably connected at the side of the mounting shaft 62, the fixing rod 64 is fixedly connected at the lower end of the mounting shaft 64, the telescopic spring 65 is arranged at the side of the fixing rod 64, the fan-shaped movable plates 63 and the telescopic springs 65 are symmetrically arranged about the vertical central line of the mounting shaft 62, one ends of the two telescopic springs 65 are fixedly connected with the fixing rod 64, one ends of the two telescopic springs 65 are fixedly connected with the lower ends of the two fan-shaped movable plates 63, the inner diameter of the limiting plate 61 is smaller than the outer diameter of the fan-shaped movable plates 63, the shielding cap 2 is in a conical structural design, the outer diameter of the lower end of the shielding cap 2 is larger than the outer diameter of the upper end of the ventilator barrel 1, one end of the connecting rod 3, far away from the ventilator barrel 1, is fixedly connected with the shielding cap 2, four connecting rods 3 are distributed in an annular array mode in the circle center of the ventilator barrel 1, and the water vapor filtering mechanism 7 is arranged above the airflow backflow preventing mechanism 6 inside the ventilator barrel 1.

The second embodiment is different from the first embodiment in that the water vapor filtering mechanism 7 includes a spoiler 71, inclined water outlet holes 72 and a water blocking plate 73, the spoiler 71 is fixedly connected to the inner wall of the funnel cylinder 1, the spoiler 71 is in an L-shaped structural design, the inclined water outlet holes 72 are formed in the upper end of the funnel cylinder 1 and located on the side of the spoiler 71, the water blocking plate 73 is fixedly connected to the surface of the upper end of the funnel cylinder 1 and located on the outer side of the inclined water outlet holes 72, the two spoilers 71 are symmetrically arranged and distributed in a staggered manner, the side of the upper end of the spoiler 71 is matched with the inclined water outlet holes 72, and the spoiler 71 is matched with the sector movable plate 63.

During operation, utilize and block cap 2 and block the rainwater in the upper end of draft fan barrel 1, avoid stormy waves and rainwater to pour into in the draft fan barrel 1, and first dog 4 and second dog 5 prevent that rivers from climbing along the inner wall, simultaneously inside spoiler 71 that is provided with of draft fan barrel 1, carry out the separation with the steam that carries in the air current, make its condensation on spoiler 71, and discharge through a water inclined hole 72, waterproof nature has been improved and avoid rivers to get into the barrel, when ventilating in daily life, promote fan-shaped fly leaf 63 through the air current, make two fan-shaped fly leaves 63 be located and rotate on the installation axle 62, thereby open the ventilation channel, carry out the work of ventilating, when the air current flows backward, limiting plate 61 blocks the variable end of fan-shaped fly leaf 63, thereby fan-shaped fly leaf 63 can's unable the opening, avoid the air current to form and flow backward, and greatly improved the practicality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims (6)

1. The utility model provides a marine funnel that prevents air current and flow backward, includes funnel barrel (1), its characterized in that: the upper end of the ventilator barrel body (1) is provided with a shielding cap (2), the upper end of the ventilator barrel body (1) is located on an inner side fixedly connected with connecting rod (3) of the shielding cap (2), a first check block (4) of the inner side fixedly connected with of the shielding cap (2), a second check block (5) of the outer side fixedly connected with of the upper end of the ventilator barrel body (1), and an airflow backflow preventing mechanism (6) is arranged at the upper end of the inner portion of the ventilator barrel body (1).

2. The marine waterproof and airflow-backward-flow-preventing ventilating funnel according to claim 1, characterized in that: the shielding cap (2) is of a conical structural design, the outer diameter of the lower end of the shielding cap (2) is larger than the outer diameter of the upper end of the ventilating funnel barrel body (1), one end, away from the ventilating funnel barrel body (1), of the connecting rod (3) is fixedly connected with the shielding cap (2), the connecting rod (3) is distributed with four circular arrays of the center of the ventilating funnel barrel body (1), and a water vapor filtering mechanism (7) is arranged above the air flow backflow preventing mechanism (6) in the ventilating funnel barrel body (1).

3. The marine funnel of claim 2, characterized in that: airflow backflow preventing mechanism (6) includes limiting plate (61), installation axle (62), fan-shaped fly leaf (63), dead lever (64) and expanding spring (65), the inside fixedly connected with limiting plate (61) of draft tube barrel (1), the inside of draft tube barrel (1) is located avris fixedly connected with installation axle (62) of limiting plate (61), the avris of installation axle (62) is rotated and is connected with fan-shaped fly leaf (63), the lower extreme fixedly connected with dead lever (64) of installation axle (62), the avris of dead lever (64) is provided with expanding spring (65).

4. The marine waterproof and airflow-backward-flowing-preventing ventilating duct according to claim 3, characterized in that: fan-shaped fly leaf (63) and expanding spring (65) are provided with two, and two respectively about the vertical central line symmetry of installation axle (62) the one end of expanding spring (65) respectively with dead lever (64) fixed connection, two expanding spring (65) have one end respectively with two the lower extreme fixed connection of fan-shaped fly leaf (63), the internal diameter of limiting plate (61) is less than the external diameter of fan-shaped fly leaf (63).

5. The marine funnel of claim 4, characterized in that: steam filtering mechanism (7) include spoiler (71), play water inclined hole (72) and water-blocking plate (73), inner wall fixedly connected with spoiler (71) of draft tube barrel (1), spoiler (71) are L type structural design, play water inclined hole (72) have been seted up to the avris that the upper end of draft tube barrel (1) is located spoiler (71), the surface of draft tube barrel (1) upper end is located the outside fixedly connected with water-blocking plate (73) of play water inclined hole (72).

6. The marine funnel of claim 5, characterized in that: the spoiler (71) symmetry is provided with two, and two the spoiler (71) are the staggered distribution, avris and the play water inclined hole (72) mutual adaptation of spoiler (71) upper end, spoiler (71) and fan-shaped movable plate (63) mutual adaptation.

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