CN204124354U - Marine air pipe head - Google Patents
Marine air pipe head Download PDFInfo
- Publication number
- CN204124354U CN204124354U CN201420548172.8U CN201420548172U CN204124354U CN 204124354 U CN204124354 U CN 204124354U CN 201420548172 U CN201420548172 U CN 201420548172U CN 204124354 U CN204124354 U CN 204124354U
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- CN
- China
- Prior art keywords
- inner housing
- seal ring
- air pipe
- pipe head
- guide pillar
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- 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.)
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Abstract
The utility model discloses a kind of marine air pipe head, comprise body skin, inner housing, flange-interface, admission port and floating seal body, described flange-interface is connected on body skin, venting cavity is surrounded between described body skin and inner housing, this venting cavity leads to through seal ring and inner housing inner chamber, described inner housing inner chamber and admission port lead to, and described seal ring is arranged at below inner housing upper port; Described floating seal body is provided with guiding blind hole, and floating seal body is actively socketed on guide pillar through guiding blind hole, and guide pillar is arranged on inner housing base plate; Guide pillar outer round surface is provided with antifriction layer.Adopt this marine air pipe head, can ensure that float promptly and accurately cuts out gas-permeable channels, and can effectively stop current to enter cabin.
Description
Technical field
The utility model relates to a kind of marine equipment, particularly relates to a kind of air pipe head prevented in liquid inflow breather pipe.
Background technology
Air pipe head is applied to the gas-permeable channels external side end of various cabin in various ships, in order to keep the air circulation inside and outside gas-permeable channels, prevent cabin internal pressure too high or too low, and when meeting the situations such as inclination or stormy waves at boats and ships, air pipe head is wanted to close in time, prevent current from entering in cabin, this function normally utilizes the float arranged in air pipe head and the seal ring corresponded to realize, when there being the admission port of current submergence air pipe head, float rises with current and fits with seal ring under the effect of liquid buoyancy, close between admission port and gas-permeable channels, stop entering of current.
The control element that conventional air pipe head adopts ball float to open and close as gas-permeable channels, in use often due to the impact influence of fluctuations ball float position of wave, thus can not fit with seal ring timely and accurately and actv. prevention is carried out to current, part water flow energy is made to cross seal ring, also owing to being unobstructed between seal ring and gas-permeable channels, current are crossed seal ring and are entered in cabin with regard to direct through gas-permeable channels, can cause infringement to cabin inside.
Utility model content
For the above-mentioned deficiency existing for prior art, technical problem to be solved in the utility model is to provide a kind of marine air pipe head, and it can ensure that float promptly and accurately cuts out gas-permeable channels, and can effectively stop current to enter cabin.
In order to solve the problems of the technologies described above, a kind of marine air pipe head of the present utility model, comprise body skin, inner housing, flange-interface, admission port and floating seal body, described flange-interface is connected on body skin, venting cavity is surrounded between described body skin and inner housing, this venting cavity leads to through seal ring and inner housing inner chamber, and described inner housing inner chamber and admission port lead to, and described seal ring is arranged at below inner housing upper port; Described floating seal body is provided with guiding blind hole, and floating seal body is actively socketed on guide pillar through guiding blind hole, and guide pillar is arranged on inner housing base plate; Guide pillar outer round surface is provided with antifriction layer.
In said structure, due to described floating seal body being provided with guiding blind hole, floating seal body is actively socketed on guide pillar through guiding blind hole, guide pillar is arranged on inner housing base plate, then when there being current to enter from admission port, floating seal knows from experience upward movement under the effect of current liquid buoyancy, and this motion carries out under the guiding of guide pillar, floating seal body arrives the position that fits with seal ring exactly and gas-permeable channels is closed under the guiding of guide pillar, the guiding blind hole that floating seal body is arranged ensure that current can not from the top entering into seal ring between floating seal body and guide pillar, again owing to being provided with antifriction layer at guide pillar outer round surface, then when under the effect of floating seal body at current during up-and-down movement, make friction drag quite low because antifriction layer exists between floating seal body and guide pillar, the up-and-down movement of floating seal body also just becomes very flexible, thus ensure that the timely keying of gas-permeable channels, also because described seal ring is arranged at below inner housing upper port, the isolation baffle plate be made up of inner casing body wall together with then defining between seal ring with gas-permeable channels, moment before floating seal body and seal ring are fitted have water impact and through seal ring time, this part current can be stopped by the inner casing body wall below inner housing upper port and must not enter in gas-permeable channels, when gas-permeable channels is opened in the decline of floating seal body, this part current can be back in inner housing inner chamber from seal ring and discharge from admission port, thus effectively prevents current to enter in cabin.
A kind of preferred implementation of the present utility model, described seal ring upper side is 100-200 millimeter apart from the height distance between inner housing upper port.Adopt this embodiment, the height distance of 100-200 millimeter can stop the current entered on the upside of seal ring produced due to Water wave impact preferably, ensure that current do not enter within cabin.
Another kind of preferred implementation of the present utility model, described floating seal body is globoid.Adopt this embodiment, the floating seal body of globoid and seal ring more easily form good laminating, also just can ensure sealing effectiveness better.
Another preferred implementation of the present utility model, the sealing surface of described seal ring is provided with lip limit.Like this, the seal ring with sealing lip limit can keep more area of contact with floating seal body, good sealing effect.
The further preferred implementation of the utility model, the sealing surface of described seal ring is spherical cambered surface, the floating seal body equal diameters of this spherical cambered surface place ball diameter and described globoid.Adopt this embodiment, the seal ring of spherical cambered surface is more suitable for forming good sealing with the floating seal body of globoid.
Another further preferred implementation of the utility model, described guide pillar and seal ring are coaxially arranged.Adopt this embodiment, symmetrical between floating seal body and seal ring laminating can be ensured, avoid producing deflection between floating seal body and seal ring and causing poor sealing.
The another further preferred implementation of the utility model, described admission port place is provided with filter screen.This filter screen can stop the impurities adhere in current to cause seal failure on seal ring or floating seal body.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, marine air pipe head of the present utility model is further detailed.
Fig. 1 is the structural representation of a kind of detailed description of the invention of the utility model marine air pipe head;
Fig. 2 is the partial enlarged drawing of inner housing port position and seal ring in structure shown in Fig. 1;
Fig. 3 is the enlarged drawing of guide pillar in structure shown in Fig. 1;
Fig. 4 is the structural representation of the another kind of embodiment of seal ring in structure shown in Fig. 1.
In figure: 1-body skin, 2-inner housing upper port, 3-seal ring, 4-floating seal body, 5-venting cavity, 6-antifriction layer, 7-guide pillar, 8-inner housing, 9-filter screen, 10-admission port, 11-flange-interface, 12-lip limit, 13-spherical cambered surface.
Detailed description of the invention
In marine air pipe head shown in Fig. 1 to Fig. 3, body skin 1 is in rectangular-shaped, and lead to flange-interface 11 bottom it, flange-interface 11 is connected with the ventilative pipeline on ship, rectangular through holes is provided with in body skin 1 side, through hole inner seal has been welded to connect inner housing 8, inner housing 8 three side plates and base plate surround the inner chamber be communicated with this through hole, inner housing 8 upper end is opening shape, below inner housing upper port 2, tight weld is connected with dividing plate, dividing plate has circular hole, seal ring 3 is inlaid on the circular hole of this dividing plate, described seal ring 3 upper side is 100-200 millimeter apart from the height distance between inner housing upper port 2, on the downside of seal ring 3, aperture place is sealing surface, and sealing face is provided with lip limit 12, inner housing 8 base plate is provided with guide pillar 7, the axial location of guide pillar 7 overlaps with the axial location of seal ring 3, guide pillar 7 is composite structure, its outer round surface is provided with antifriction layer 6, this antifriction layer 6 material is the ptfe plastic that friction coefficient is extremely low, this ptfe plastic also has very strong decay resistance simultaneously, and antifriction layer 6 adopts ptfe plastic pipe to be connected with the mandrel interference fit of guide pillar 7, can certainly spray ptfe plastic and form on the mandrel of guide pillar 7, the floating seal body 4 of globoid is installed at inner housing 8 inner chamber, floating seal body 4 is provided with guiding blind hole, this guiding blind-hole bottom is closed, guiding blind hole diameter is corresponding with the external diameter of guide pillar 7, ensure that floating seal body 4 can be nimbly and freely up and down when guiding blind hole is actively socketed on guide pillar 7, the floating seal body 4 of globoid is the airtight spherical shell structure of hollow, and after being shaped by stainless steel sheet, tight weld is made, outside the rectangular through holes that body skin 1 side is arranged, be provided with filter screen 9 and downward opening case, this case and body skin 1 surround admission port 10, venting cavity 5 is surrounded between body skin 1 and inner housing 8, lead to flange-interface 11 below this venting cavity 5, lead to inner housing 8 inner chamber through inner housing upper port 2 and seal ring 3 above venting cavity 5, inner housing 8 inner chamber and admission port 10 lead to, in such formation cabin, passage between outside, inner and the outside gas of cabin is kept to lead to, when hull tilts and have stormy waves to make current submergence admission port 10, the liquid buoyancy of current makes the floating seal body 4 of sphere-like rise and seal ring 3 gluing, sealing, closing gas passage prevents current from entering in cabin, even if enter above seal ring 3 had the impact effect of a small amount of current at stormy waves before floating seal body 4 with seal ring 3 gluing, sealing under, also current can be stoped to enter in cabin higher than seal ring 3 due to inner housing upper port 2, reach good resistance flowing effect, when current fall to admission port less than 10, the floating seal body 4 of globoid also can decline thereupon, gas-permeable channels is opened immediately, maintain the ventilated function of air pipe head, the a small amount of current entered into above seal ring 3 also can flow out from admission port 10 through seal ring 3.
Fig. 4 shows the structural representation of the another kind of embodiment of seal ring 3, the sealing surface of described seal ring 3 is spherical cambered surface 13, floating seal body 4 equal diameters of this spherical cambered surface 13 place ball diameter and described globoid, when floating seal body 4 rising of globoid is fitted with seal ring 3, the gluing, sealing effect of the sealing surface of spherical cambered surface and the floating seal body 4 of globoid will be better.
Below preferred implementations more of the present utility model are only listed, but the utility model is not limited in this, more improvement and conversion can also be made, as as described in floating seal body 4 may not be globoid, but ball-crown body shape, its top is hemisphere, and bottom is cuboid, can also be Rotary-table; Described flange-interface 11 may not be and leads to body skin 1 inside bottom body skin 1, but can lead in the side of body skin 1 as required.And so on, as long as improvement done on the utility model groundwork basis and conversion, all should be considered as falling in protection domain of the present utility model.
Claims (7)
1. a marine air pipe head, comprise body skin (1), inner housing (8), flange-interface (11), admission port (10), seal ring (3) and floating seal body (4), described flange-interface (11) is connected on body skin (1), venting cavity (5) is surrounded between described body skin (1) and inner housing (8), this venting cavity (5) leads to through seal ring (3) and inner housing (8) inner chamber, described inner housing (8) inner chamber and admission port (10) lead to, and it is characterized in that: described seal ring (3) is arranged at inner housing upper port (2) below; Described floating seal body (4) is provided with guiding blind hole, and floating seal body (4) is actively socketed on guide pillar (7) through guiding blind hole, and guide pillar (7) is arranged on inner housing (8) base plate; Guide pillar (7) outer round surface is provided with antifriction layer (6).
2. marine air pipe head according to claim 1, is characterized in that: described seal ring (3) upper side is 100-200 millimeter apart from the height distance between inner housing upper port (2).
3. marine air pipe head according to claim 1, is characterized in that: described floating seal body (4) is globoid.
4. marine air pipe head according to claim 1, is characterized in that: the sealing surface of described seal ring (3) is provided with lip limit (12).
5. marine air pipe head according to claim 1, is characterized in that: the sealing surface of described seal ring (3) is spherical cambered surface (13), floating seal body (4) equal diameters of this spherical cambered surface (13) place ball diameter and described globoid.
6. marine air pipe head according to claim 1, is characterized in that: described guide pillar (7) and seal ring (3) are coaxially arranged.
7. marine air pipe head according to claim 1, is characterized in that: described admission port (10) place is provided with filter screen (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548172.8U CN204124354U (en) | 2014-09-24 | 2014-09-24 | Marine air pipe head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548172.8U CN204124354U (en) | 2014-09-24 | 2014-09-24 | Marine air pipe head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204124354U true CN204124354U (en) | 2015-01-28 |
Family
ID=52380734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548172.8U Active CN204124354U (en) | 2014-09-24 | 2014-09-24 | Marine air pipe head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204124354U (en) |
Cited By (3)
| 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 |
| CN107781468A (en) * | 2017-11-24 | 2018-03-09 | 中船黄埔文冲船舶有限公司 | A kind of ventilative check-valves |
| 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 |
-
2014
- 2014-09-24 CN CN201420548172.8U patent/CN204124354U/en active Active
Cited By (3)
| 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 |
| CN107781468A (en) * | 2017-11-24 | 2018-03-09 | 中船黄埔文冲船舶有限公司 | A kind of ventilative check-valves |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |