CN104896117A - Marine air pipe head - Google Patents
Marine air pipe head Download PDFInfo
- Publication number
- CN104896117A CN104896117A CN201510258980.XA CN201510258980A CN104896117A CN 104896117 A CN104896117 A CN 104896117A CN 201510258980 A CN201510258980 A CN 201510258980A CN 104896117 A CN104896117 A CN 104896117A
- Authority
- CN
- China
- Prior art keywords
- air pipe
- pipe head
- sealing cover
- floating drum
- marine air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/10—Ventilating-shafts; Air-scoops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a marine air pipe head, which comprises an outer shell (1), an inner shell (2), an end cover (3), a flange interface (4), a buoy (11) and a sealing cover (5), wherein the inner shell (2) is arranged in the outer shell (1), the sealing cover (5) is arranged above the inner shell (2) to form a switching cavity (8), the buoy (11) is of a ball shape and is arranged in the switching cavity, a round hole is arranged on the sealing cover (5), a ventilation cavity (9) is enclosed between the end cover (3), the outer shell (1) and the inner shell (2), the inner shell (2) is of a barrel shape which is provided with an upward opening, the diameter of the switching cavity (8) is slightly bigger than the diameter of the buoy (11), and the outer shell (1) is provided with an air inlet (10) to be communicated with the lower portion of the switching cavity (8). The marine air pipe head is made from light high strength corrosion-resistant materials. The marine air pipe head enables the buoy to be accurately positioned, and rapidly and effectively closes a breathable channel of a cabin, thereby preventing water from entering the cabin and being economical and durable.
Description
Technical field
The present invention relates to a kind of shipborne equipment, particularly relating to a kind of air pipe head for preventing in liquid inflow cabin.
Background technique
Air pipe head is mainly used on various ships, for keeping ventilative pipeline unimpeded, making the air pressure in cabin close to barometric pressure thus ensure that cabin pressure is no more than the design pressure of itself by ventilative and air-breathing.When hull run-off the straight or when running into stormy waves, water flows into suction port, and the floating drum in air pipe head floats rapidly closedown of pipeline of breathing freely of fit with seal ring under floating function, thus prevention water enters cabin; After water flows out, floating drum falls to original position, and ventilative pipeline continues unimpeded.
Conventional air pipe head, generally in cuboid, adopts iron material to make, and volume, weight are comparatively large, difficult, and the weight that can increase ship.Floating drum is generally metal and floats pie, and along with water inflow and outflow, floating drum frequently floats and drops, often and sealing cover or switch bottom chamber clash into, easily produce slight crack.In order to make floating drum and seal ring accurately fit, being usually also provided with positioning device, complex structure, inconvenient maintenance in air pipe head, floating drum can being affected when positioning device gets rusty or break down on the contrary and float in time, gas-permeable channels can not be closed in time.The protective net of air pipe head is arranged on the outside of air pipe head usually, is easily wound around by sea grass and the destruction of seabird.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of novel marine air pipe head, can close gas-permeable channels economy and durability again timely and effectively.
For solving the problems of the technologies described above, marine air pipe head of the present invention comprises frame, inner housing, end cap, flange-interface, floating drum, sealing cover, and described frame top is provided with end cap, mounting flange interface bottom it; Frame inside is provided with inner housing, and the top of inner housing is provided with sealing cover, is formed and switches chamber, and floating drum is that spherical being located at switches in chamber, and described sealing cover has circular hole, and diameter is less than spar diameter, and seal ring is inlaid in the circular hole of sealing cover; Sealing cover, between frame and inner housing, surround venting cavity, the circular hole of top on sealing cover of venting cavity is communicated with switching chamber, be communicated with flange-interface one end below this venting cavity, described inner housing is the tubbiness of opening upwards, the diameter switching chamber is more bigger than spar diameter, diameter as switched chamber 2-4mm larger than spar diameter, the circular hole on described sealing cover is positioned at and switches directly over chamber, and frame is provided with suction port and has connecting passage to be communicated with below the switching chamber of inner housing.
In said structure, due to the tubbiness that described inner housing is opening upwards, the diameter switching chamber is more bigger than spar diameter, therefore when a small amount of swelling enters to switch chamber, floating drum just can float rapidly, floating drum is spherical in shape, and the area that may occur to rub with inner housing inwall is very little, ensures that floating drum can rise smoothly and falls.Diameter due to switching chamber is only bigger than spar diameter and circular hole on sealing cover is positioned at directly over switching chamber, therefore can not there is left and right drift in floating drum, accurately can fit with the seal ring be arranged in circular hole, thus close gas-permeable channels rapidly, prevent water from flowing into cabin; Structure is simple, without the need to arranging positioning means, being convenient to install, fault being less likely to occur, and just can seeing floating drum by suction port, be convenient to pinpoint the problems, process in time; Protective net is contained in the top of sealing cover circular hole, can avoid being wound around by sea grass, is destroyed by seabird.
As a modification of the present invention, described floating drum adopts high strength, impact-resistant nonmetallic material are made; Adopt this material, floating drum can be made to have larger buoyancy, and shock-resistant, be not easy to break, can not get rusty, thus increase the service life.
Improve as another kind of the present invention, protective net is that back-off is bowl-shape, and lower end edge circular hole is fixed on sealing cover, and the internal surface of end cap is fixedly fixed in upper end; Can avoid like this damaging protective net because of the impact of floating drum.
Improve as another kind of the present invention, in hemisphere below described switching chamber, suitable with floating drum shape; After water flows out switching chamber, floating drum just can drop from the top switching chamber, adopts said structure, can reduce the impact force of floating drum, increase the service life.
As a kind of optimized project of the present invention, described seal ring cross section internal diameter is curved, with to contact spherical shape suitable; The area of contact of floating drum and seal ring can be expanded, thus lift-off seal effect.
As an important improvement of the present invention, the frame of described air pipe head is cylindric, and for the air pipe head of cuboid, the cylindrical air tube head volume of same size is less, and take up room little, weight can be lighter.
As another important improvement of the present invention, described air pipe head adopts light-high-strength resistant material such as ferroaluminium to make.
Accompanying drawing explanation
Accompanying drawing explanation
Be described in further detail below in conjunction with accompanying drawing and embodiments of the present invention:
Fig. 1 is existing air pipe head schematic diagram.
Fig. 2 is marine air pipe head longitudinal profile schematic diagram of the present invention.
Fig. 3 is the schematic transverse generalized section of marine air pipe head of the present invention.
Fig. 4 is the schematic diagram of seal ring.
Fig. 5 is the longitudinal profile schematic diagram of seal ring.
Embodiment
As shown in Figure 2 and Figure 3: described air pipe head, frame 1, inner housing 2, end cap 3, flange-interface 4, floating drum 11, sealing cover 5 and protective net 6 is comprised.Frame 1 is in cylindric, and top is provided with end cap 3, and end cap 3 screw is arranged on the top of frame 1, opens end cap 3 and can clear up protective net 6.Mounting flange interface 4 bottom frame, frame 1 inside is provided with inner housing 2, the tubbiness of described inner housing 2 in opening upwards, and the top of inner housing 2 is provided with sealing cover 5, is formed and switches chamber 8; Floating drum 11 is spherical in shape, is located at and switches in chamber 8, switch the diameter about 2-4mm more bigger than floating drum 11 diameter in chamber 8, can ensure that floating drum 11 left and right drift can not occur in the process risen thus can accurately fit with seal ring 7, block water and flow into cabin.Floating drum 11 adopts the crash-proof material of lightweight to make, as nonmetallic material PVC etc., larger relative to metallic material buoyancy more shock-resistant, and is not easy to get rusty; The bottom shape of inner housing 2 can be arranged to hemisphere, suitable with floating drum 11 shape, can reduce impact force when floating drum 11 drops like this; The sealing cover 5 of the top of inner housing 2 has circular hole, and circular hole is positioned at and switches directly over chamber 8, and diameter is less than floating drum 11, and seal ring 7 is inlaid in the circular hole of sealing cover 5; Protective net 6 is equipped with in the top of sealing cover 5, protective net 6 is bowl-shape in back-off, lower end rivet or other modes are fixed on the circular of sealing cover 5 along circle, the internal surface of end cap 3 is fixed in upper end, floating drum 11 can be made like this can not to impact protective net 6 when rising and fitting with seal ring 7, the working life of protective net 6 can be extended; Sealing cover 5, surround venting cavity 9 between frame 1 and inner housing 2, the top of venting cavity 9 is communicated with switching chamber 8 through the circular hole of sealing cover 5, is communicated with below this venting cavity 9 with flange-interface 4 one end, the ventilative pipeline communication on the other end of flange-interface 4 and ship; Frame 1 is provided with suction port 10 and has connecting passage to be communicated with below the switching chamber 8 of inner housing 2, thus formed cabin inside and outside between air passageways, ensure that cabin is inside and outside and maintain pressure balance.Suction port 10 number can be multiple.When hull run-off the straight or stormy waves larger time, water flows into through suction port 10 and switches chamber 8, because the width switching chamber 8 is only bigger than floating drum 11, the water surface can rise rapidly in switching chamber 8, floating drum 11 floats instantaneously under buoyancy of water, fit rapidly with seal ring 7, thus stop current to enter cabin; Switch chamber 8 when water flows out, floating drum 11 is along with water surface reduction, and after water flows out switching chamber 8 completely, floating drum 11 can drop to the bottom switching chamber 8, and air passageways continues to keep unimpeded.Because suction port 10 is communicated with the bottom switching chamber 8, after water flows out switching chamber 8, in the situation that floating drum 11 can be seen by suction port 10 place, be convenient to pinpoint the problems, process in time.
From seal ring 7 shape shown in Fig. 4, Fig. 5, seal ring 7 cross section internal diameter is curved, with to contact spherical shape suitable; The area of contact of floating drum 11 and seal ring 7 can be expanded, thus lift-off seal effect.
For the present invention, an important improvement is that described air pipe head adopts light-high-strength resistant material material to make, and as ferroaluminium, relative to ferrous products, the proportion of ferroaluminium is little, and ductility is better, is convenient to casting.
The present invention is not limited to the structure of the mode of execution shown in Fig. 2 to Fig. 5.Marine air pipe head of the present invention can also have other malformation; shape as frame 1 can be cuboid, the shape of floating drum 11 can be able to be column etc. for the shape of pie, protective net 6; as long as the improvement done on its general principles and conversion, all should be considered as falling into protection scope of the present invention.
Claims (10)
1. a marine air pipe head, comprise frame (1), inner housing (2), end cap (3), flange-interface (4), floating drum (11), sealing cover (5), described frame (1) top is provided with end cap (3), mounting flange interface (4) bottom it, frame (1) inside is provided with inner housing (2), the top of inner housing (2) is provided with sealing cover (5), formed and switch chamber (8), floating drum (11) is located in switching chamber (8) for spherical, (5) have circular hole to described sealing cover, diameter is less than spar diameter (11), and seal ring (7) is inlaid in the circular hole of sealing cover (5), end cap (3), venting cavity (9) is surrounded between frame (1) and inner housing (2), the circular hole of top on sealing cover (5) of venting cavity (9) is communicated with switching chamber (8), this venting cavity (9) below is communicated with flange-interface (4) one end, it is characterized in that: described inner housing (2) tubbiness in opening upwards, the diameter switching chamber (8) is more bigger than floating drum (11) diameter, circular hole on described sealing cover (5) is positioned at and switches directly over chamber (8), protective net (6) is equipped with in the top of the upper circular hole of described sealing cover (5), frame (1) is provided with suction port (10) and is provided with connecting passage and is communicated with the below, switching chamber (8) of inner housing (2).
2. marine air pipe head according to claim 1, is characterized in that: the diameter 2-4mm larger than floating drum (11) diameter of described switching chamber (8).
3. marine air pipe head according to claim 1, is characterized in that: described floating drum (11) adopts high strength, impact-resistant nonmetallic material are made.
4. marine air pipe head according to claim 3, is characterized in that: described protective net (6) is bowl-shape in back-off, and lower end edge circular hole is fixed on sealing cover (5), and the internal surface of end cap (3) is fixed in upper end.
5. marine air pipe head according to claim 4, is characterized in that: described switching chamber (8) below is in hemisphere, suitable with floating drum (11) shape.
6. marine air pipe head according to claim 5, is characterized in that: described seal ring (7) cross section internal diameter is curved, with to contact spherical shape suitable.
7. the marine air pipe head according to any one of claim 1 to 6, is characterized in that: the frame (1) of described air pipe head is in cylindric.
8. the marine air pipe head according to any one of claim 1 to 6, is characterized in that: described air pipe head adopts light-high-strength resistant material to make.
9. marine air pipe head according to claim 7, is characterized in that: described air pipe head adopts alfer to make.
10. marine air pipe head according to claim 8, is characterized in that: described light-high-strength resistant material is alfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258980.XA CN104896117A (en) | 2015-05-21 | 2015-05-21 | Marine air pipe head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258980.XA CN104896117A (en) | 2015-05-21 | 2015-05-21 | Marine air pipe head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896117A true CN104896117A (en) | 2015-09-09 |
Family
ID=54028970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510258980.XA Pending CN104896117A (en) | 2015-05-21 | 2015-05-21 | Marine air pipe head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896117A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253281A (en) * | 2015-09-30 | 2016-01-20 | 武昌船舶重工集团有限公司 | Floating ball type automatic air ventilating apparatus for boat |
| CN108177755A (en) * | 2017-12-22 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of novel ship cabin Ventilated cap |
| CN108799586A (en) * | 2018-08-20 | 2018-11-13 | 常州市汇丰船舶附件制造有限公司 | A kind of floating ball type air pipe head peculiar to vessel |
| CN109296797A (en) * | 2018-09-30 | 2019-02-01 | 广船国际有限公司 | Water blocking communication apparatus, empty cabin gas venting system and ship |
| CN113374922A (en) * | 2021-07-19 | 2021-09-10 | 东台市航海船用阀门厂 | Automatic closing device for marine aluminum alloy air pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869967A (en) * | 1972-11-16 | 1975-03-11 | Josef Lenz | Air vent head, especially for ship{3 s tanks |
| CN1935597A (en) * | 2006-09-27 | 2007-03-28 | 马卫泽 | Marine air pipe head |
| CN102582815A (en) * | 2011-01-13 | 2012-07-18 | 南通瑞达航海机械有限公司 | Automatic closing device of air pipe head |
| CN104058194A (en) * | 2013-03-22 | 2014-09-24 | 温特普管理有限公司 | Air Pipe Head And Method For Performing Venting Of Tank Or Allowing Outflow Of Fluid |
| CN204755940U (en) * | 2015-05-21 | 2015-11-11 | 舟山市恒威船舶配件有限公司 | Marine air pipe head |
-
2015
- 2015-05-21 CN CN201510258980.XA patent/CN104896117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869967A (en) * | 1972-11-16 | 1975-03-11 | Josef Lenz | Air vent head, especially for ship{3 s tanks |
| CN1935597A (en) * | 2006-09-27 | 2007-03-28 | 马卫泽 | Marine air pipe head |
| CN102582815A (en) * | 2011-01-13 | 2012-07-18 | 南通瑞达航海机械有限公司 | Automatic closing device of air pipe head |
| CN104058194A (en) * | 2013-03-22 | 2014-09-24 | 温特普管理有限公司 | Air Pipe Head And Method For Performing Venting Of Tank Or Allowing Outflow Of Fluid |
| CN204755940U (en) * | 2015-05-21 | 2015-11-11 | 舟山市恒威船舶配件有限公司 | Marine air pipe head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253281A (en) * | 2015-09-30 | 2016-01-20 | 武昌船舶重工集团有限公司 | Floating ball type automatic air ventilating apparatus for boat |
| CN108177755A (en) * | 2017-12-22 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of novel ship cabin Ventilated cap |
| CN108799586A (en) * | 2018-08-20 | 2018-11-13 | 常州市汇丰船舶附件制造有限公司 | A kind of floating ball type air pipe head peculiar to vessel |
| CN109296797A (en) * | 2018-09-30 | 2019-02-01 | 广船国际有限公司 | Water blocking communication apparatus, empty cabin gas venting system and ship |
| CN113374922A (en) * | 2021-07-19 | 2021-09-10 | 东台市航海船用阀门厂 | Automatic closing device for marine aluminum alloy air pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |