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Turnover water-inflow-preventing ventilator device

A ventilator and anti-water technology, which is applied in the direction of valve device, hull ventilation/heating/cooling, transportation and packaging, etc. It can solve the problems of being unstoppable and unable to realize automatic closing, and achieve the effect of preventing external seawater from entering

Pending Publication Date: 2021-02-26
JIANGLONG BOAT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ventilator commonly used on board, although the opening is only equipped with a weathertight cover or a manually operated closing device, it needs to be closed manually. In the normal open working state, when the ventilator turns over with the ship, it cannot be automatically closed and cannot block the external sea water Enter the relevant ventilation cabin from the fan cylinder

Method used

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  • Turnover water-inflow-preventing ventilator device
  • Turnover water-inflow-preventing ventilator device

Examples

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Embodiment Construction

[0016] Such as figure 1 and figure 2 As shown, in this embodiment, the present invention includes an air cylinder 1 and a protective assembly 2, the bottom of the air cylinder 1 communicates with the cabin, the protective assembly 2 is arranged on one end of the air cylinder 1, the A check valve 3 is provided between the blower 1 and the protection assembly 2, and a gravity valve disc 4 matching the check valve 3 is hinged on one end of the check valve 3 close to the protection assembly 2 A sealing gasket 5 is provided between the gravity valve disc 4 and the check valve 3, an opening 6 is opened at the bottom of the protection assembly 2, and the cross section of the opening 6 is parallel to the horizontal plane.

[0017] It can be seen from the above scheme that the combination of the air cylinder 1 and the protective assembly 2 forms a gooseneck structure, and the bottom opening 6 of the air cylinder 1 communicates with the cabin. Under normal working conditions, the grav...

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Abstract

The invention aims to provide a turnover water-inflow-preventing ventilator device which is compact in structure, good in ventilation quality and capable of meeting the ventilation requirement duringnormal operation, automatically closes for water prevention during turnover and automatically keeping ventilation after turnover is recovered. The turnover water-inflow-preventing ventilator device comprises an air duct and a protection assembly, the bottom of the air duct communicates with a cabin, the protection assembly is arranged at one end of the air duct, a check valve is arranged between the air duct and the protection assembly, and a gravity valve disc matched with the check valve is hinged to the end, close to the protection assembly, of the check valve; a sealing washer is arrangedbetween the gravity valve disc and the check valve, an opening is formed in the bottom of the protection assembly, and the cross section of the opening is parallel to the horizontal plane. The invention is applied to the technical field of ventilator waterproof structures.

Description

technical field [0001] The invention relates to the technical field of a ventilator waterproof structure, in particular to an overturning anti-water entry ventilator device. Background technique [0002] For special ships with self-righting requirements, they can be self-righting after capsizing, that is, in special circumstances such as ship overturning, it is necessary to maintain the safety and normal operation of the ship. The ventilator commonly used on board, although the opening is only provided with a weathertight cover or a manual closing device, it needs to be closed manually. In the normal open working state, when the ventilator turns over with the ship, it cannot be automatically closed and cannot block the external sea water Enter the relevant ventilation cabin from the fan cylinder. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a compact structure, ...

Claims

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Application Information

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IPC IPC(8): B63J2/10B63B17/00F16K15/03F16K27/02F17D3/01
CPCB63B17/00B63B2017/0045B63J2/10F16K15/03F16K27/0209F17D3/01
Inventor 晏志清梁耀明
Owner JIANGLONG BOAT TECH
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