阅读说明：本技术 一种翻转防进水通风筒装置 (Turnover water-inlet-preventing ventilating duct device ) 是由 晏志清 梁耀明 于 2020-12-20 设计创作，主要内容包括：本发明旨在提供一种结构紧凑、通风质量好并且能满足正常作业时的通风透气,翻转时自动关闭防水,待翻转恢复后再自动保持通风透气的翻转防进水通风筒装置。本发明包括风筒和防护组件,所述风筒的底部与舱室相连通,所述防护组件设于所述风筒的一端上,所述风筒与所述防护组件之间设有止回阀,所述止回阀靠近所述防护组件的一端上铰接有与所述止回阀相适配的重力阀盘,所述重力阀盘与所述止回阀之间设有密封垫圈,所述防护组件的底部开设有开口,所述开口的横截面与水平面相平行。本发明应用于通风筒防水结构的技术领域。(The invention aims to provide the turnover water-inlet-proof ventilation cylinder device which has a compact structure and good ventilation quality, can meet the ventilation and air permeability in normal operation, automatically closes the water-proof function in turnover, and automatically keeps the ventilation and air permeability after turnover recovery. The air duct comprises an air duct body and a protection assembly, wherein the bottom of the air duct body is communicated with a cabin, the protection assembly is arranged at one end of the air duct body, a check valve is arranged between the air duct body and the protection assembly, one end, close to the protection assembly, of the check valve is hinged with a gravity valve disc matched with the check valve, a sealing gasket is arranged between 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 waterproof structures of ventilation ducts.)

1. The utility model provides a ventilation barrel device of intaking is prevented in upset which characterized in that: it includes dryer (1) and protection component (2), the bottom and the cabin of dryer (1) are linked together, protection component (2) are located one of dryer (1) is served, dryer (1) with be equipped with between protection component (2) check valve (3), check valve (3) are close to one of protection component (2) serve articulated have with gravity valve disc (4) of check valve (3) looks adaptation, gravity valve disc (4) with be equipped with seal ring (5) between check valve (3), opening (6) have been seted up to the bottom of protection component (2), the cross section and the horizontal plane parallel of opening (6).

2. The turning, water ingress prevention and ventilation barrel device as claimed in claim 1, wherein: the protection assembly (2) comprises a pipe body (7) and an insect-proof net (8), the opening (6) is formed in the bottom of the pipe body (7), the insect-proof net (8) is formed in the bottom of the pipe body (7), and the insect-proof net (8) is detachably connected with the pipe body (7).

3. The turning, water ingress prevention and ventilation barrel device as claimed in claim 1, wherein: an exhaust fan (9) is arranged at one end of the air duct (1) communicated with the cabin, and the exhaust fan (9) is detachably connected with the air duct (1).

4. A roll-over water ingress prevention ventilation cartridge apparatus as claimed in claim 3, wherein: the air duct (1) is close to one end of the exhaust fan (9) and is provided with a plurality of filter screens (10), and the filter screens (10) are provided with a plurality of through holes.

5. The turning, water ingress prevention and ventilation barrel device according to claim 4, wherein: the number of the filter screens (10) is at least two, and the through holes between two adjacent filter screens (10) are arranged in a staggered structure.

6. The turning, water ingress prevention and ventilation barrel device as claimed in claim 1, wherein: a valve (11) is arranged at the bottom end of the air duct (1) close to the cabin, and the valve (11) is one or two of a mechanical valve and an electromagnetic valve.

7. The turning, water ingress prevention and ventilation barrel device according to claim 6, wherein: the valve (11) is combined with an electromagnetic valve through an electromagnetic valve or a mechanical valve, a sensor (12) matched with the gravity valve disc (4) is arranged on the protection component (2), and the sensor (12) is connected with the valve (11) through an electric signal.

8. The turning, water ingress prevention and ventilation barrel device as claimed in claim 1, wherein: the air duct (1) is connected with the protection component (2) through a flange (13), a sealing ring (14), a bolt (15) and a nut.

Technical Field

The invention relates to the technical field of a waterproof structure of a ventilating duct, in particular to a turnover water-inlet-proof ventilating duct device.

Background

For special ships with self-righting requirements, the ships can automatically return to right after overturning, namely, the ships need to be kept safe and normally operate under special conditions such as ship overturning. Although the opening of the common ventilating duct on the ship is only provided with a weathertight cover or a manual operation closing device, the ventilating duct needs to be manually closed, and under the working state of normal opening, when the ventilating duct overturns along with the ship, the ventilating duct cannot be automatically closed, and the ventilating duct cannot prevent external seawater from entering a related ventilating cabin through the ventilating duct.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the overturning water-inlet-proof ventilation barrel device which has a compact structure and good ventilation quality, can meet the ventilation and air permeation requirements during normal operation, automatically closes water resistance during overturning and automatically keeps ventilation and air permeation after overturning and recovering.

The technical scheme adopted by the invention is as follows: the air duct comprises an air duct body and a protection assembly, wherein the bottom of the air duct body is communicated with a cabin, the protection assembly is arranged at one end of the air duct body, a check valve is arranged between the air duct body and the protection assembly, one end, close to the protection assembly, of the check valve is hinged with a gravity valve disc matched with the check valve, a sealing gasket is arranged between 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.

Further, the protection component comprises a pipe body and an insect-proof net, the opening is formed in the bottom of the pipe body, the insect-proof net is arranged at the bottom of the pipe body, and the insect-proof net is detachably connected with the pipe body.

Furthermore, an exhaust fan is arranged at one end of the air duct communicated with the cabin, and the exhaust fan is detachably connected with the air duct.

Furthermore, a plurality of filter screens are arranged at one end, close to the exhaust fan, of the air duct, and a plurality of through holes are formed in the filter screens.

Furthermore, the number of the filter screens is at least two, and the through holes between two adjacent filter screens are arranged in a staggered structure.

Furthermore, a valve is arranged at the bottom end of the air duct close to the cabin, and the valve is one or combination of a mechanical valve and an electromagnetic valve.

Furthermore, the valve adopts the combination of an electromagnetic valve or a mechanical valve and the electromagnetic valve, a sensor matched with the gravity valve disc is arranged on the protection component, and the sensor is in electrical signal connection with the valve.

Further, the air duct is connected with the protection assembly through a flange, a sealing ring, a bolt and a nut.

The invention has the following beneficial effects:

the invention relates to a turnover water-inlet-proof ventilating duct device, which comprises a ventilating duct and a protective component, wherein the bottom of the ventilating duct is communicated with a cabin, the protective component is arranged at one end of the ventilating duct, a check valve is arranged between the ventilating duct and the protective component, one end of the check valve, which is close to the protective component, is hinged with a gravity valve disc matched with the check valve, a sealing gasket is arranged between the gravity valve disc and the check valve, the bottom of the protective component is provided with an opening, the cross section of the opening is parallel to the horizontal plane, so when the device is turned over along with a self-righting ship, the gravity is influenced by gravity and is turned over and attached to the check valve and tightly pressed with the sealing gasket on the check valve to play a role of sealing and prevent external seawater from entering the valve disc, the invention can meet the ventilation and ventilation in normal operation and automatically close and, and after the turnover and recovery, the ventilation is automatically kept.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic of the structure of the check valve and the gravity valve disc.

Detailed Description

As shown in fig. 1 and 2, in this embodiment, the present invention includes an air duct 1 and a protection assembly 2, the bottom of the air duct 1 is communicated with a cabin, the protection assembly 2 is disposed on one end of the air duct 1, a check valve 3 is disposed between the air duct 1 and the protection assembly 2, one end of the check valve 3, which is close to the protection assembly 2, is hinged with a gravity valve disc 4 adapted to the check valve 3, a sealing gasket 5 is disposed between the gravity valve disc 4 and the check valve 3, the bottom of the protection assembly 2 is provided with an opening 6, and a cross section of the opening 6 is parallel to a horizontal plane.

It can be seen by above-mentioned scheme that dryer 1 with the combination of protection component 2 is gooseneck formula structure, the bottom opening 6 of dryer 1 with the cabin is linked together, under the normal operating condition, gravity valve disc 4 is opened downwards, the warp fly net 8 with the filter screen 10 protects after filtering, ventilates ventilative. The gravity valve disc 4 has a certain weight, when the device overturns along with a self-righting ship, the gravity valve disc 4 is influenced by gravity, overturns and attaches to the check valve 3 and is tightly pressed with the sealing washer 5 on the check valve 3 to play a sealing role, so that external seawater is prevented from entering, if the gravity valve disc 4 is impacted by external seawater during overturning, the pressure of the gravity valve disc 4 on the sealing washer 5 is increased, and the sealing performance is simultaneously increased.

Preferably, as shown in fig. 1, the protection assembly 2 includes a pipe body 7 and an insect-proof net 8, the opening 6 is disposed on the bottom of the pipe body 7, the insect-proof net 8 is disposed on the bottom of the pipe body 7, and the insect-proof net 8 is detachably connected to the pipe body 7; the air duct 1 is connected with the protection component 2 through a flange 13, a sealing ring 14, a bolt 15 and a nut, and the check valve 3 and the gravity valve disc 4 are clamped between the air duct 1 and the protection component 2.

According to the scheme, the insect-proof nets 8 are detachably connected, and the dust and insects can be cleaned in time by dismounting the insect-proof nets 8, so that the air quality in the ventilation pipe is effectively guaranteed.

One preferable scheme is that as shown in fig. 1, an exhaust fan 9 is arranged at one end of the air duct 1 communicated with the cabin, and the exhaust fan 9 is detachably connected with the air duct 1; a plurality of filter screens 10 are arranged at one end of the air duct 1 close to the exhaust fan 9, and a plurality of through holes are formed in the filter screens 10; the number of the filter screens 10 is at least two, and the through holes between two adjacent filter screens 10 are arranged in a staggered structure; a valve 11 is arranged at the bottom end of the air duct 1 close to the cabin, and the valve 11 is one or combination of a mechanical valve and an electromagnetic valve; the valve 11 is combined with an electromagnetic valve or a mechanical valve, the protection component 2 is provided with a sensor 12 matched with the gravity valve disc 4, and the sensor 12 is in electrical signal connection with the valve 11.

According to the scheme, when the sensor 12 identifies and detects that the gravity valve 11 is attached to the check valve 3, the sensor 12 sends a signal to a background, the background control solenoid valve closes a channel in the air duct 1 to prevent seawater from entering, and a double protection effect is achieved by combining the structure of the check valve 3; the exhaust fan 9 is used for accelerating the circulation of air in the cabin, and the quality of air in the air pipe can be effectively ensured by combining a plurality of filter screens 10, and meanwhile, the valve 11 can be effectively prevented from being blocked by dust; the filter screen 10 and the air duct 1 are detachably connected, so that the filter screen 10 is convenient to disassemble, assemble and clean.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.