CN203847784U - Breather valve for ships - Google Patents
Breather valve for ships Download PDFInfo
- Publication number
- CN203847784U CN203847784U CN201420261742.5U CN201420261742U CN203847784U CN 203847784 U CN203847784 U CN 203847784U CN 201420261742 U CN201420261742 U CN 201420261742U CN 203847784 U CN203847784 U CN 203847784U
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- CN
- China
- Prior art keywords
- valve
- valve body
- vacuum
- core assembly
- vessel
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a breather valve for ships. The breather valve comprises a valve body, an air suction port, pressure relief openings and a medium connecting port are arranged in the valve body, a pressure relief valve core component is arranged in the valve body and comprises a pressure relief valve disk movably arranged on a pressure relief valve seat in the valve body, a counterweight component is arranged on the pressure relief valve disk, a lifting rod is arranged on the counterweight component, a vacuum valve core component is arranged inside the valve body and comprises a vacuum valve disk movably arranged on a vacuum valve core component seat inside the valve body, a vacuum counter weight is arranged on the vacuum valve disk, and at least one fire prevention net layer is arranged at the position of the air suction port inside the valve body. The breather valve is safer in use.
Description
Technical field
The utility model relates to a kind of inhalation valve peculiar to vessel.
Background technique
Ship oil tanks inhalation valve is the one of vacuum/pressurized valve, is mainly arranged on the permeability cell of oil carrier, chemical tanker, is unique entrance and exit of liquid freight house oil gas.In the time loading liquid goods and storm ballast, the pressure releasing valve core assembly of inhalation valve peculiar to vessel is opened, flammable liquid goods Steam/air mixture in liquid freight house is discharged by ventilative pipeline, and in high-altitude by atmospheric dilution, dissipation, settlement prevention has an accident on deck; In the time unloading discharge opeing goods, the vacuum valve core assembly in inhalation valve peculiar to vessel is opened, and the interior air of supplementary cargo tank that can be safe, avoids the excessive vacuum of generation in cabin.Boats and ships are in the time of navigation, and inhalation valve peculiar to vessel can regulate the fluctuation of the cabin internal pressure causing because of temperature variation automatically.But the pressure releasing valve core assembly of traditional inhalation valve peculiar to vessel and vacuum valve core assembly adopt spring as pressure control parts, the force value of unlatching is difficult to accurately control and put in place.
Model utility content
Technical problem to be solved in the utility model is: a kind of safer inhalation valve peculiar to vessel that uses is provided.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of inhalation valve peculiar to vessel, comprise valve body, valve body is provided with intakeport, pressure relief opening and medium connecting port, in valve body, be provided with pressure releasing valve core assembly, pressure releasing valve core assembly comprises the pressure release valve disc being movably arranged on the interior pressure release valve seat of valve body, pressure release valve disc is provided with balance weight assembly, balance weight assembly is provided with lifting arm, in valve body, be also provided with vacuum valve core assembly, vacuum valve core assembly comprises the vacuum valve disc being movably arranged on the interior vacuum valve core assembly seat of valve body, vacuum valve disc is provided with vacuum balancing weight, the inherent intakeport of valve body place is at least provided with one deck flame screen.
As the preferred scheme of one, the bottom of lifting arm is provided with position block, and balance weight assembly is arranged with gland on lifting arm, and balance weight assembly middle part is provided with mounting hole, lifting arm bottom is arranged in mounting hole, and gland bottom is provided with the annular compressed part being embedded between mounting hole and lifting arm.
The further technical problem to be solved of the utility model is: a kind of inhalation valve peculiar to vessel that in emergency circumstances can manually opened pressure release is provided.
For solving above-mentioned further technical problem, the technological scheme that the utility model adopts is: lifting arm top is provided with lifting handle, and lifting handle bottom is provided with locating piece, and locating piece bottom is provided with locating slot, and valve body is provided with the positioning wedged block coordinating with locating slot.
As the preferred scheme of one, valve body is provided with flame screen fitting seat, is provided with four layers of flame screen in flame screen fitting seat.
The further technical problem to be solved of the utility model is: a kind of inhalation valve peculiar to vessel that in emergency circumstances can manually opened air amount is provided.
For solving above-mentioned further technical problem, the technological scheme that the utility model adopts is: on valve body, be provided with manual opening part at intakeport, comprise end cap, in end cap, activity is equipped with the push rod for backing down vacuum valve disc.
As the preferred scheme of one, push rod the inner is provided with resetting block, between push rod outer end and end cap, is provided with Returnning spring.
The beneficial effects of the utility model are: because pressure releasing valve core assembly and vacuum valve core assembly adopt balance weight assembly or balancing weight as pressure control parts, the force value of unlatching can accurately be controlled, thereby makes the use of valve safer.
Owing to being provided with flame screen, in the time there is the condition of a fire on oil carrier deck, can prevent that extraneous flame from entering in liquid freight house by the flame screen of inhalation valve.
Because lifting arm top is provided with lifting handle, automatically opening being in an emergency under malfunctioning state can the pressure release of manually opened pressure releasing valve core assembly, avoids the appearance of superpressure state in cargo tank, has effectively ensured cargo tank safety.Because lifting handle bottom is provided with locating piece, locating piece bottom is provided with locating slot, and valve body is provided with the positioning wedged block coordinating with locating slot, when lifting arm falls, can accurately locate.
Because valve body is provided with flame screen fitting seat, in flame screen fitting seat, be provided with four layers of flame screen, while having ensured that flame enters from below by flame screen completely cut off below, can not enter pressure releasing valve core assembly place, thereby ensure security of system.
Owing to being provided with manual opening part at intakeport on valve body, automatically opening being in an emergency under malfunctioning state can manually opened vacuum valve core assembly air amount, avoids the appearance of vacuum state in cargo tank, has effectively ensured cargo tank safety.
Push rod the inner is provided with resetting block, between push rod outer end and end cap, is provided with Returnning spring, and manually opened rear push rod can be automatically reset under the effect of resetting block gravity and Returnning spring elastic force.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present utility model (lifting handle is opened the state of pressure releasing valve core assembly).
Fig. 2 is right TV structure schematic diagram of the present utility model (closing the state of pressure releasing valve core assembly).
In Fig. 1 to Fig. 2: 1. valve body, 11. intakepories, 12. pressure relief openings, 13. medium connecting ports, 14. positioning wedged blocks, 2. pressure releasing valve core assembly, 21. pressure release valve discs, 22. balance weight assemblies, 23. lifting arms, 231. position blocks, 24. glands, 3. lifting handle, 31. locating pieces, 4. vacuum valve core assembly, 41. vacuum valve discs, 42. vacuum balancing weights, 5. manual opening part, 51. end caps, 52. push rods, 53. resetting blocks, 54. Returnning springs, 6. flame screen fitting seat, 7. flame screen.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1-2, a kind of inhalation valve peculiar to vessel, comprises valve body 1, and valve body 1 is provided with intakeport 11, pressure relief opening 12 and medium connecting port 13.In valve body 1, be provided with pressure releasing valve core assembly 2, pressure releasing valve core assembly 2 comprises the pressure release valve disc 21 being movably arranged on the interior pressure release valve seat of valve body 1, pressure release valve disc 21 is provided with balance weight assembly 22, balance weight assembly 22 is provided with lifting arm 23, the bottom of lifting arm 23 is provided with position block 231, balance weight assembly 22 is arranged with gland 24 on lifting arm 23, balance weight assembly 22 middle parts are provided with mounting hole, lifting arm 23 bottoms are arranged in mounting hole, and gland 24 bottoms are provided with the annular compressed part being embedded between mounting hole and lifting arm 23.Lifting arm 23 tops are provided with lifting handle 3, and lifting handle 3 bottoms are provided with locating piece 31, and locating piece 31 bottoms are provided with locating slot, and valve body 1 is provided with the positioning wedged block 14 coordinating with locating slot.
In valve body 1, be also provided with vacuum valve core assembly 4, vacuum valve core assembly 4 comprises the vacuum valve disc 41 being movably arranged on 4 of interior vacuum valve core assemblies of valve body 1, and vacuum valve disc 41 is provided with vacuum balancing weight 42.On valve body 1, be provided with manual opening part 5 at intakeport 11, comprise end cap 51, in end cap 51, activity is equipped with the push rod 52 for backing down vacuum valve disc 41.Push rod 52 the inners are provided with resetting block 53, between push rod 52 outer ends and end cap 51, are provided with Returnning spring 54.The inherent intakeport of valve body 1 11 places are also provided with flame screen fitting seat 6, are provided with four layers of flame screen 7 in flame screen fitting seat 6, and described push rod 52 passes from flame screen fitting seat 6.
Working principle: oil carrier is in the time loading Cargo Oil, and because oil cargo tank seals, along with the rising of oil level in oil cargo tank, in cabin, air gradually reduces, and pressure increases thereupon.In the time that cabin internal pressure increases to pressure releasing valve core assembly 2 and sets cracking pressure 10KPa, pressure releasing valve core assembly 2 automatic liftings, oil gas in cabin discharges by gas exhaust piping rapidly, pressure releasing valve core assembly 2 lifting along with the lifting of cabin internal pressure, simultaneously vacuum valve core assembly 4 effects due to oil cargo tank pressure and sealing more.
Oil carrier is in the time of unloading Cargo Oil, and oil cargo tank is interior along with the minimizing of Cargo Oil forms negative pressure gradually.In the time that negative pressure in cabin reaches cracking pressure-3.5KPa that vacuum valve core assembly 4 sets, vacuum valve core assembly 4 is opened automatically, suck ambient air through gauze diaphragm 7 and enter oil cargo tank, now vacuum valve core assembly 4 valve discs meeting automatic on-offs, suck extraneous a small amount of air with balance cargo tank pressure.Meanwhile, pressure releasing valve core assembly 2 valve belows sealing more under the effect that is subject to negative pressure in cabin.
The above embodiments are principle and effect thereof of illustrative the invention only, and the embodiment of part utilization, but not for limiting the utility model; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. an inhalation valve peculiar to vessel, comprise valve body, valve body is provided with intakeport, pressure relief opening and medium connecting port, in valve body, be provided with pressure releasing valve core assembly, pressure releasing valve core assembly comprises the pressure release valve disc being movably arranged on the interior pressure release valve seat of valve body, it is characterized in that: described pressure release valve disc is provided with balance weight assembly, balance weight assembly is provided with lifting arm, in valve body, be also provided with vacuum valve core assembly, vacuum valve core assembly comprises the vacuum valve disc being movably arranged on the interior vacuum valve core assembly seat of valve body, vacuum valve disc is provided with vacuum balancing weight, the inherent intakeport of valve body place is at least provided with one deck flame screen.
2. one as claimed in claim 1 inhalation valve peculiar to vessel, it is characterized in that: the bottom of described lifting arm is provided with position block, balance weight assembly is arranged with gland on lifting arm, balance weight assembly middle part is provided with mounting hole, lifting arm bottom is arranged in mounting hole, and gland bottom is provided with the annular compressed part being embedded between mounting hole and lifting arm.
3. one as claimed in claim 2 inhalation valve peculiar to vessel, is characterized in that: described lifting arm top is provided with lifting handle, and lifting handle bottom is provided with locating piece, and locating piece bottom is provided with locating slot, and valve body is provided with the positioning wedged block coordinating with locating slot.
4. one as claimed in claim 3 inhalation valve peculiar to vessel, is characterized in that: described valve body is provided with flame screen fitting seat, is provided with four layers of flame screen in flame screen fitting seat.
5. one as claimed in claim 4 inhalation valve peculiar to vessel, is characterized in that: on described valve body, be provided with manual opening part at intakeport, comprise end cap, in end cap, activity is equipped with the push rod for backing down vacuum valve disc.
6. one as claimed in claim 5 inhalation valve peculiar to vessel, is characterized in that: described push rod the inner is provided with resetting block, between push rod outer end and end cap, is provided with Returnning spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261742.5U CN203847784U (en) | 2014-05-21 | 2014-05-21 | Breather valve for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261742.5U CN203847784U (en) | 2014-05-21 | 2014-05-21 | Breather valve for ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847784U true CN203847784U (en) | 2014-09-24 |
Family
ID=51560802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261742.5U Withdrawn - After Issue CN203847784U (en) | 2014-05-21 | 2014-05-21 | Breather valve for ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994255A (en) * | 2014-05-21 | 2014-08-20 | 江苏沙洲阀门有限公司 | Marine respiration valve |
| CN113586777A (en) * | 2021-07-02 | 2021-11-02 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensate pipeline of marine air conditioner |
-
2014
- 2014-05-21 CN CN201420261742.5U patent/CN203847784U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994255A (en) * | 2014-05-21 | 2014-08-20 | 江苏沙洲阀门有限公司 | Marine respiration valve |
| CN113586777A (en) * | 2021-07-02 | 2021-11-02 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensate pipeline of marine air conditioner |
| CN113586777B (en) * | 2021-07-02 | 2023-05-26 | 上海外高桥造船有限公司 | Vacuum breaking valve for condensed water pipeline of marine air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |