CN211693534U

CN211693534U - Air pipe head with seal structure

Info

Publication number: CN211693534U
Application number: CN201922179773.1U
Authority: CN
Inventors: 王冲
Original assignee: Dalian Xincheng Metal Products Co ltd
Current assignee: Dalian Xincheng Metal Products Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-16
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an air pipe head with a sealing structure, which comprises a filtering device, a protective device, a connecting flange and a valve body, wherein the filtering device is arranged to effectively filter impurities in the air in a pipeline, so that the air in a cabin is fresher, the protective cover is arranged to prevent impurities from entering the interior of the valve body, the connecting flange can ensure that the air pipe head is more firmly connected with the pipeline, and the looseness caused by the impact of seawater is avoided, through the arrangement of the sealing device, when the seawater overflows the air pipe head, a floating drum floats to be sealed, so that the water cannot enter a through movable cavity, a water level detector transmits a signal to an electromagnet, the electromagnet tightly adsorbs a magnetic floating block on a sealing plate to prevent the seawater from entering, an outer shell body is made of aluminum-iron alloy material, the strength is high, the corrosion resistance is high, and the manufacturing material of the floating drum is made of PVC material, light weight and impact resistance, and the service life of the equipment is prolonged.

Description

Air pipe head with seal structure

Technical Field

The utility model relates to a marine equipment technical field specifically is an air pipe head with seal structure.

Background

The air pipe head is mainly applied to various ships and is used for keeping the ventilation pipeline smooth, and the air pressure in the cabin is close to the atmospheric pressure through ventilation and air suction so as to ensure that the pressure of the cabin does not exceed the design pressure of the cabin. When the ship body inclines or meets wind and waves, water flows into the air inlet, the buoy in the air pipe head quickly floats under the action of buoyancy force to be attached to the sealing ring to close the air-permeable pipeline, and therefore water is prevented from entering the cabin; when the water flows out, the buoy falls to the original position, and the ventilation pipeline is continuously unblocked.

However, the common air pipe heads have the defects of poor tightness and air permeability, so that water or air is not circulated in a cabin, or fire hazards enter the cabin from an air inlet of the pipe head due to the fact that a fire-proof device is not arranged in the air pipe heads, the life and property safety of a crew is threatened, and most of installation positions of the air pipe heads and a ship body are loosened due to continuous collision with seawater.

To above-mentioned problem, in order to increase the leakproofness of equipment, reduce dangerous emergence, improve equipment's life, the utility model provides an air pipe head with seal structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air pipe head with seal structure has that sealing performance is good, long service life and the high advantage of security performance, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air pipe head with a sealing structure comprises a filtering device, a protective device, connecting flanges and a valve body, wherein the protective device is arranged at the side end of the valve body; the protection device comprises a fireproof net and a protection cover, wherein the fireproof net is arranged at the side end of the protection cover; the valve body comprises an outer shell, an inner shell, a movable cavity, a sealing device, a floating device and a heating device, wherein the outer shell is arranged on the outer wall of the inner shell, the movable cavity is arranged in an inner cavity of the inner shell, the sealing device is arranged at the upper end of the movable cavity, the floating device is arranged at the lower end of the sealing device, and the heating device is arranged on the inner wall of the inner shell.

Furthermore, sealing device includes filter screen, closing plate, sealing strip, electro-magnet, water level detector and magnetism floating block, and the closing plate is installed in the both sides end of filter screen, and the sealing strip sets up the inner wall at the closing plate, and the electro-magnet is fixed at the inner wall of interior casing, and water level detector sets up the lower extreme at the electro-magnet.

Further, the floating device comprises a floating barrel, a small floating block, a bolt and a spring, wherein the small floating block is installed at the lower end of the floating barrel, the bolt is arranged at the lower end of the small floating block, and the spring is arranged on the outer wall of the bolt.

Further, heating device includes heating rod, PLC controller and temperature sensor, and the PLC controller is installed in the upper end of heating rod, and temperature sensor sets up the lower extreme at the heating rod.

Further, the temperature sensor transmits a signal to the PLC controller, and then heating of the heating rod is controlled.

Further, the outer shell is made of aluminum-iron alloy materials.

Further, the fire prevention net is provided with two groups.

Furthermore, the manufacturing material of the buoy is a PVC material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of air pipe head with seal structure, through setting up filter equipment, the impurity of air in can effectual filtration pipeline makes the air in the cabin more fresh, and the setting of protection casing can prevent that some debris from getting into the inside of valve body, and flange can make air pipe head and tube coupling more firm, avoids taking place to become flexible because of the impact of sea water.

2. The utility model provides a pair of air pipe head with seal structure, through setting up sealing device, when the sea water spills over the air pipe head, the flotation pontoon floats and seals, makes during the unable entering of water leads to movable chamber, on level detector transmission signal arrived the electro-magnet, the electro-magnet with the close absorption of magnetism floating block on the closing plate, prevents the entering of sea water, heating device's setting has guaranteed the normal function of ship air pipe head when low temperature, makes cabin internal pressure keep normal stable.

3. The utility model provides a pair of air pipe head with seal structure through setting up two sets of fire prevention nets, can carry out effectual fire prevention, has ensured the life safety of personnel in the ship, and the security performance is high, and the shell body comprises the ferro-aluminum alloy material, and intensity is big, and corrosion resisting property is big, and the preparation material of flotation pontoon chooses the PVC material for use, and the crashworthiness of light has improved the life of equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the valve body structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic view of the floating device of the present invention.

In the figure: 1. a filtration device; 11. a metal bracket; 12. screening a screen; 2. a guard; 21. a fire-proof net; 22. a protective cover; 3. a connecting flange; 4. a valve body; 41. an outer housing; 42. an inner housing; 43. a movable cavity; 44. a sealing device; 441. a filter screen; 442. a sealing plate; 443. a sealing strip; 444. an electromagnet; 445. a water level detector; 446. a magnetic float; 45. a floating device; 451. a float bowl; 452. a small-sized floating block; 453. a bolt; 454. a spring; 46. a heating device; 461. a heating rod; 462. a PLC controller; 463. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an air pipe head with a sealing structure comprises a filter device 1, a protective device 2, a connecting flange 3 and a valve body 4, wherein the protective device 2 is installed at the side end of the valve body 4, the filter device 1 is fixed at the lower end of the valve body 4, the connecting flange 3 is arranged at the two side ends of the filter device 1, the filter device 1 comprises a metal support 11 and a screen 12, the metal support 11 is installed at the outer wall of the screen 12, impurities in air in a pipeline can be effectively filtered by arranging the filter device 1, so that the air in a cabin is fresher, the protective device 2 comprises a fireproof net 21 and a protective cover 22, the fireproof net 21 is arranged at the side end of the protective cover 22, effective fire prevention can be realized by arranging two groups of fireproof nets 21, the life safety of personnel in a ship is guaranteed, the safety performance is high, the protective cover 22 is arranged, and some impurities, the connecting flange 3 can make the connection between the air pipe head and the pipeline more firm, and avoid the looseness caused by the impact of the sea water, the valve body 4 includes the outer shell 41, the inner shell 42, the movable cavity 43, the sealing device 44, the floating device 45 and the heating device 46, the outer shell 41 is installed on the outer wall of the inner shell 42, the outer shell 41 is made of aluminum-iron alloy, the intensity is strong, the corrosion resistance is great, the movable cavity 43 is installed in the inner cavity of the inner shell 42, the sealing device 44 is installed on the upper end of the movable cavity 43, the floating device 45 is installed on the lower end of the sealing device 44, the sealing device 44 includes the filter screen 441, the sealing plate 442, the sealing strip 443, the electromagnet 444, the water level detector 445 and the magnetic floating block 446, the sealing plate 442 is installed on the two side ends of the filter screen 441, the sealing strip 443 is installed on the inner wall, the floating device 45 comprises a floating barrel 451, a small floating block 452, a bolt 453 and a spring 454, the small floating block 452 is installed at the lower end of the floating barrel 451, the bolt 453 is arranged at the lower end of the small floating block 452, the spring 454 is arranged on the outer wall of the bolt 453, the heating device 46 is arranged on the inner wall of the inner shell 42, a temperature sensor 463 transmits a signal to a PLC controller 462 so as to control the heating of a heating rod 461, the floating barrel 451 floats up to seal when seawater overflows from an air pipe head by arranging a sealing device 44 so that water cannot enter the through movable cavity 43, the floating barrel 451 is made of a PVC material, the light weight and impact resistance are achieved, the service life of the device is prolonged, the water level detector 445 transmits a signal to the electromagnet 444, the electromagnet 444 enables the magnetic floating block 446 to be tightly adsorbed on the sealing plate 442, the seawater is prevented from entering, the heating device 46 is arranged, and the normal function of the air, the pressure in the cabin is kept normal and stable.

In summary, the following steps: the utility model provides an air pipe head with seal structure, including filter equipment 1, protector 2, flange 3 and valve body 4, through setting up filter equipment 1, can the interior impurity of air of effectual filtration pipeline, make the air in the cabin fresher, the setting of protection casing 22 can prevent some debris from getting into the inside of valve body 4, flange 3 can make air pipe head and tube coupling more firm, avoid taking place to become flexible because of the impact of sea water, through setting up sealing device 44, when sea water spills over the air pipe head, flotation pontoon 451 floats and seals, make water can't get into in leading to activity chamber 43, water level detector 445 transmits the signal to electro-magnet 444, electro-magnet 444 with magnetism floating block 446 tightly adsorb on closing plate 442, prevent the entering of sea water, heating device 46's setting, the normal function of ship air pipe head when the low temperature space-time has been guaranteed, make cabin internal pressure keep normal stable, through setting up two sets of fire prevention nets 21, can carry out effectual fire prevention, ensured the life safety of marine personnel, the security performance is high, and shell body 41 comprises the ferro-aluminum alloy material, and intensity is big, and corrosion resisting property is big, and the PVC material is chooseed for use to the preparation material of flotation pontoon 451, and the crashproof of light has improved the life of equipment.

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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air pipe head with seal structure, includes filter equipment (1), protector (2), flange (3) and valve body (4), and the side at valve body (4) is installed in protector (2), and the lower extreme at valve body (4) is fixed in filter equipment (1), and flange (3) set up the both sides end at filter equipment (1), its characterized in that: the filtering device (1) comprises a metal bracket (11) and a screen (12), wherein the metal bracket (11) is arranged on the outer wall of the screen (12); the protection device (2) comprises a fireproof net (21) and a protection cover (22), wherein the fireproof net (21) is arranged at the side end of the protection cover (22); the valve body (4) comprises an outer shell (41), an inner shell (42), a movable cavity (43), a sealing device (44), a floating device (45) and a heating device (46), wherein the outer shell (41) is installed on the outer wall of the inner shell (42), the movable cavity (43) is arranged in the inner cavity of the inner shell (42), the sealing device (44) is arranged at the upper end of the movable cavity (43), the floating device (45) is installed at the lower end of the sealing device (44), and the heating device (46) is arranged on the inner wall of the inner shell (42).

2. An air pipe head having a sealing structure as defined in claim 1, wherein: the sealing device (44) comprises a filter screen (441), a sealing plate (442), a sealing strip (443), an electromagnet (444), a water level detector (445) and a magnetic floating block (446), wherein the sealing plate (442) is installed at two side ends of the filter screen (441), the sealing strip (443) is arranged on the inner wall of the sealing plate (442), the electromagnet (444) is fixed on the inner wall of the inner shell (42), and the water level detector (445) is arranged at the lower end of the electromagnet (444).

3. An air pipe head having a sealing structure as defined in claim 1, wherein: the floating device (45) comprises a buoy (451), a small floating block (452), a bolt (453) and a spring (454), wherein the small floating block (452) is installed at the lower end of the buoy (451), the bolt (453) is arranged at the lower end of the small floating block (452), and the spring (454) is arranged on the outer wall of the bolt (453).

4. An air pipe head having a sealing structure as defined in claim 1, wherein: the heating device (46) comprises a heating rod (461), a PLC (462) and a temperature sensor (463), wherein the PLC (462) is installed at the upper end of the heating rod (461), and the temperature sensor (463) is arranged at the lower end of the heating rod (461).

5. An air pipe head having a sealing structure as defined in claim 4, wherein: the temperature sensor (463) transmits a signal to the PLC controller (462), thereby controlling the heating of the heating rod (461).

6. An air pipe head having a sealing structure as defined in claim 1, wherein: the outer shell (41) is made of aluminum-iron alloy materials.

7. An air pipe head having a sealing structure as defined in claim 1, wherein: two groups of fire-proof nets (21) are arranged.

8. An air pipe head having a sealing structure as defined in claim 3, wherein: the buoy (451) is made of PVC.