CN207599051U - A kind of ventilative check-valves - Google Patents
A kind of ventilative check-valves Download PDFInfo
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- CN207599051U CN207599051U CN201721603127.8U CN201721603127U CN207599051U CN 207599051 U CN207599051 U CN 207599051U CN 201721603127 U CN201721603127 U CN 201721603127U CN 207599051 U CN207599051 U CN 207599051U
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- opening
- valves
- floating ball
- ventilative
- check
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- 238000007667 floating Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 31
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of ventilative check-valves, including non-return valve body, one end of non-return valve body is equipped with the first opening, and the other end of non-return valve body is equipped with the second opening, first opening is formed through a cavity with the second opening, be equipped in cavity can free activity floating ball；First opening is equipped with the seal member being bonded with floating ball to prevent water from being flowed out from the first opening, and the diameter of floating ball is slightly larger than the width of seal member.The ventilative check-valves of the utility model, utilize being used cooperatively for the floating ball being located in cavity and the seal member for being located at the first opening, so that when water level is excessively high in ballast tank, water and air enters cavity from the first opening, ventilative manifold is entered by the second opening again, and release cabin and air are discharged by ventilative manifold respectively, it is achieved thereby that permeation functions；When the water in ventilative manifold, which is released, flows backward to check-valves not in time, water floats floating ball from the second opening into cavity, is bonded with seal member by floating ball and is acted on so as to fulfill non-return.
Description
Technical field
The utility model is related to marine engine room pipeline gas venting systems, and in particular to a kind of ventilative check-valves.
Background technology
Air pipe head is mainly used on various ships, for keeping ventilative pipeline unimpeded, makes ship by ventilative and air-breathing
Air pressure in cabin is close to atmospheric pressure so as to ensure that cabin pressure is no more than the design pressure of itself.When hull run-off the straight or
When encountering stormy waves, water flows into air inlet, and the floating drum in air pipe head floats rapidly that be bonded with sealing ring will be thoroughly under buoyancy
Feed channel is closed, so as to which water be prevented to enter cabin；After water flows out, floating drum falls to original position, and pipeline of breathing freely continues unimpeded.
For partly latent ship, to prevent ballast water by ventilative pipeline crossfire between each ballast compartment, in cabin thoroughly
It must be provided with having concurrently the device of permeation functions and non-return effect on gas branch pipe, used air pipe head only has on ship at present
Permeation functions, it is impossible to meet the needs of partly latent ship.The ventilative check-valves of ship cabinet is used in currently available technology, only to air hose
Head is improved, and improves its permeation functions, and is not directed to non-return effect.
Utility model content
In order to which existing ventilative check-valves peculiar to vessel is overcome only to have the technical issues of permeation functions, the utility model provides a kind of
Ventilative check-valves has permeation functions and non-return effect concurrently.
To achieve the above object, ventilative check-valves provided by the utility model, including non-return valve body, the check-valves
One end of ontology is equipped with the first opening, and the other end of the non-return valve body is equipped with the second opening, first opening with it is described
Second opening is formed through a cavity, be equipped in the cavity can free activity floating ball；First opening is equipped with and institute
Seal member of the floating ball fitting to prevent water from being flowed out from the first opening is stated, the diameter of the floating ball is slightly larger than the seal member
Width.
Further, the seal member includes sealing ring and sealing clamping ring, and the sealing clamping ring is covered in the sealing
On circle, the sealing ring is located at first opening.
Further, first opening is used for the described second opening straight line perforation, interior be equipped with of the non-return valve body
Prevent the floating ball from skidding off the limiting section of the cavity.
Further, it further includes for the seal member to be fixed on the screw on the non-return valve body, the spiral shell
It follows closely to be multiple, and multiple screws are uniformly mounted on first opening.
Further, the body cap for sealing first opening is further included, the body cap is opened positioned at described first
The top of mouth；The cavity includes inner cavity and exocoel, and the top of the inner cavity is connected with the top of the exocoel；The check-valves
The side wall of ontology is open equipped with third, and third opening is connected with the inner cavity, the third be open not with the exocoel
It connects, the floating ball is equipped in the inner cavity, the top of the inner cavity, which is equipped with, to be bonded to prevent water from inner cavity with the floating ball
The seal member of top outflow.
Further, the inner cavity includes at least a chamber, and the floating ball is equipped in the chamber, the chamber
Top is equipped with the seal member being bonded with the floating ball to prevent water from being flowed out from the top of inner cavity.
Further, it further includes for the seal member to be fixed on to the screw on the inner cavity, the screw is more
It is a, and multiple screws are uniformly mounted on the top of the inner cavity.
Further, the gasket for filling the gap between the body cap and the non-return valve body is further included.
Further, it further includes for the body cap to be fixed on the bolt on the non-return valve body, the bolt
To be multiple, and multiple bolts are uniformly distributed along body cap surrounding.
A kind of ventilative check-valves provided by the utility model compared with the prior art, has following technique effect：
Utilize the sealing of the floating ball that can move freely being arranged in cavity and the first opening for being located at non-return valve body
Component is used cooperatively so that when water level is excessively high in ballast tank, water and air enters check-valves from the first opening, then passes through the
Two openings enter ventilative manifold, and are discharged into release cabin and air respectively by ventilative manifold, it is achieved thereby that permeation functions；When it
The water of his ballast tank enters ventilative manifold, and releases when flowing back to check-valves not in time, and water enters cavity from the second opening will be floating
Ball floats, and is bonded with seal member by floating ball and is acted on so as to fulfill non-return.
Description of the drawings
Fig. 1 is the structure diagram of the ventilative check-valves of the utility model embodiment one；
Fig. 2 is the structure diagram one of the ventilative check-valves of the utility model embodiment two；
Fig. 3 is the structure diagram two of the ventilative check-valves of the utility model embodiment two；
Fig. 4 is the structure diagram three of the ventilative check-valves of the utility model embodiment two；
Fig. 5 is the operating diagram of the ventilative check-valves of the utility model.
Wherein, 1, non-return valve body, 11, cavity, 111, exocoel, 112, first chamber, 113, second chamber, 12, limiting
Portion, 2, seal member, 21, sealing ring, 22, sealing clamping ring, 3, floating ball, 4, screw, 5, third opening, 6, body cap, 7, gasket,
8th, bolt.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but be not intended to limit the scope of the present invention.
Embodiment one
As shown in Figure 1 and Figure 5, the ventilative check-valves described in the present embodiment, including non-return valve body 1, non-return valve body 1
One end be equipped with the first opening, the other end of non-return valve body 1 is equipped with the second opening, and the first opening is open with second and is formed through
One cavity 11, be equipped in cavity 11 can free activity floating ball 3；First opening, which is equipped with, to be bonded to prevent water from the with floating ball 3
The seal member 2 of one opening outflow, the diameter of floating ball 3 are slightly larger than the width of seal member 2；
Utilize the floating ball 3 that can move freely being arranged in cavity 11 and the first opening for being located at non-return valve body 1
Seal member 2 is used cooperatively so that and when water level is excessively high in ballast tank, water and air enters check-valves from the first opening, then
Ventilative manifold is entered, and be discharged into release cabin and air respectively by ventilative manifold by the second opening, it is achieved thereby that ventilative make
With；When the water in other ballast tanks flow into ventilative manifold and release flow back to check-valves not in time when, water enters from the second opening
Cavity 11 floats floating ball 3, and floating ball 3 is bonded with seal member 2 to be acted on so as to fulfill non-return.The specification of non-return valve body 1
Depending on actual conditions.
Preferably, seal member 2 includes sealing ring 21 and sealing clamping ring 22, and sealing clamping ring 22 is covered on sealing ring 21,
Sealing ring is located at the first opening.By setting sealing clamping ring 22, the stability of sealing ring 21 is further improved.
Preferably, the first opening and the second opening straight line perforation, non-return valve body 1 is interior to be equipped with to prevent floating ball 3 from skidding off
The limiting section 12 of cavity 11, it is through-type by the way that cavity 11 is designed as so as to be floated when water enters from the second opening in cavity 11
Ball 3, which can float rapidly to be bonded with seal member 2, realizes non-return effect.
Preferably, it further including for seal member 2 to be fixed on to the screw 4 on non-return valve body 1, screw 4 is multiple, and
Multiple screws 4 are uniformly mounted on the first opening, the purpose is to which seal member 2 is made to be fixed on non-return valve body 1, improve sealing
The stability of component 2.
With reference to Fig. 1 and Fig. 5, the operation principle of the ventilative check-valves described in the utility model embodiment is carried out detailed
Explanation：
Ship using ballast pump inject and discharge ballast water, when ballast water inject ballast tank when, air from first be open into
Enter check-valves, import ventilative manifold by the way that the second opening is final, play permeation functions；When ballast water discharges ballast tank, always
Air in pipe enters check-valves from the second opening, is passed in ballast tank from the first opening, plays permeation functions；Work as ballast
When water level is excessively high in cabin, water and air enters check-valves from the first opening, enters ventilative manifold, and pass through by the second opening
Gas manifold is discharged into release cabin and air respectively, when the water of other ballast tanks overflows to ventilative manifold, and releases and flow back to not in time
During check-valves, water floats floating ball 3 from the second opening into cavity 11, and floating ball 3 is bonded with sealing ring 21 to be made so as to play non-return
With.
Embodiment two
As shown in Figures 2 to 5, the present embodiment is provided ventilative check-valves and embodiment one difference lies in：It further includes
For sealing the body cap 6 of the first opening, body cap 6 is located at the top of the first opening；Cavity 11 includes inner cavity and exocoel 111,
The top of inner cavity is connected with the top of exocoel 111；The side wall of non-return valve body 1 be equipped with third be open 5, third opening 5 with it is interior
Chamber connects, and third opening 5 is not connected with exocoel 111, is equipped with floating ball 3 in inner cavity, the top of inner cavity be equipped be bonded with floating ball 3 to prevent
The seal member 2 that sealing is flowed out from the top of inner cavity；
It is open rectangular formula by the second opening of design and third, when water level is excessively high in ballast tank, water and air is from the
Two openings enter exocoel 111, and ventilative manifold is imported, and be discharged into cabin of releasing respectively by ventilative manifold by inner cavity, third opening
And air, it is achieved thereby that permeation functions；When water flows back to check-valves from other ballast tanks by ventilative manifold, water is from third
Opening floats floating ball 3 into inner cavity, and floating ball 3 is bonded to play the role of non-return with seal member 2.
Preferably, inner cavity includes at least a chamber, is equipped with floating ball 3 in chamber, is equipped with above chamber and floating ball 3
It is bonded the seal member 2 to prevent water from being flowed out from the top of inner cavity.Inner cavity can be dimensioned to single chamber according to body construction
Or the dual cavity including first chamber 112 and second chamber 113.
Preferably, it further includes for seal member 2 to be fixed on the screw 4 on inner cavity, screw 4 is multiple, and multiple spiral shells
Nail 4 is uniformly mounted on the top of inner cavity, the purpose is to which seal member 2 is made to be fixed on inner cavity, improves the stabilization of seal member 2
Property.
Preferably, the gasket 7 for filling the gap between body cap 6 and non-return valve body 1 is further included, the purpose is to fill out
Fill the gap between body cap 6 and non-return valve body 1, so as to prevent gap of the water between body cap 6 and non-return valve body 1 into
Enter in check-valves.
Preferably, it further includes for body cap 6 to be fixed on to the bolt 8 on non-return valve body 1, bolt 8 is multiple and more
A bolt 8 is uniformly distributed along body cap surrounding, the purpose is to ensure the fastness of body cap 6, prevents body cap from shifting.
With reference to Fig. 2 to Fig. 5, the operation principle of the ventilative check-valves described in the utility model embodiment is carried out detailed
Explanation：
Ship using ballast pump inject and discharge ballast water, when ballast water inject ballast tank when, air from second be open into
Enter check-valves, inner cavity is then entered by exocoel, then be open by third and finally import ventilative manifold, play permeation functions；When
When ballast water discharges ballast tank, the air breathed freely in manifold enters check-valves from third opening, enters exocoel by inner cavity, then from
Second outlet is passed in ballast tank, plays permeation functions；When water level is excessively high in ballast tank, water and air is open from second
Into, ventilative manifold is imported, and release cabin and air are discharged by ventilative manifold respectively by exocoel, inner cavity, third opening, when
Water is released in ventilative manifold when flowing back to check-valves not in time, and water, which is open from third into inner cavity, floats floating ball 3, floating ball 3 and
Sealing ring 21 is bonded to play the role of non-return.
With reference to Fig. 1 to Fig. 5, the specific embodiment of the ventilative check-valves described in the utility model embodiment is carried out
It is described in detail：
(1) casting non-return valve body 1, and ensure that Glabrous pierces as requested, then by floating ball 3, sealing ring 21, sealing
Trim ring 22, body cap 5 etc. assemble successively；
(2) being sealed property of check-valves finished product is tested, it is ensured that favorable sealing property, and test the non-return effect of floating ball；
(3) ventilative check-valves is lifted according to installation direction；
(4) air-tight test is carried out to entire gas venting system.
To sum up, a kind of ventilative check-valves that the utility model embodiment is provided can oneself using being arranged in cavity 11
By being used cooperatively for mobile floating ball 3 and the seal member 2 for the first opening for being located at non-return valve body 1 so that work as ballast tank
When interior water level is excessively high, water and air enters check-valves, then enter ventilative manifold, and pass through by the second opening from the first opening
Gas manifold is discharged into release cabin and air respectively, it is achieved thereby that permeation functions；When water is fallen from other ballast tanks by ventilative manifold
When flowing back to check-valves, water floats floating ball 3 from the second opening into cavity 11, and floating ball 3 is bonded with seal member 2 so as to fulfill only
Return effect.
It should be understood that various information, but these are described using term " first ", " second " etc. in the utility model
Information should not necessarily be limited by these terms, these terms are only used for same type of information being distinguished from each other out.For example, not departing from this
In the case of utility model range, " first " information can also be referred to as " second " information, similar, and " second " information can also
It is referred to as " first " information.
It the above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of the art
Member for, under the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of ventilative check-valves, which is characterized in that including non-return valve body, one end of the non-return valve body is opened equipped with first
Mouthful, the other end of the non-return valve body is equipped with the second opening, and first opening is formed through with the described second opening
Chamber, be equipped in the cavity can free activity floating ball；First opening be equipped be bonded with the floating ball with prevent water from
The seal member of first opening outflow, the diameter of the floating ball are slightly larger than the width of the seal member.
2. ventilative check-valves as described in claim 1, which is characterized in that the seal member includes sealing ring and sealing is pressed
Circle, the sealing clamping ring are covered on the sealing ring, and the sealing ring is located at first opening.
The check-valves 3. such as claim 1-2 any one of them is breathed freely, which is characterized in that first opening is opened with described second
Mouth straight line perforation, the non-return valve body is interior to be equipped with to prevent the floating ball from skidding off the limiting section of the cavity.
4. ventilative check-valves as claimed in claim 3, which is characterized in that further include the seal member being fixed on institute
The screw on non-return valve body is stated, the screw is multiple, and multiple screws are uniformly mounted on first opening.
The check-valves 5. such as claim 1-2 any one of them is breathed freely, which is characterized in that further include and opened for sealing described first
The body cap of mouth, the body cap are located at the top of the described first opening；The cavity includes inner cavity and exocoel, the inner cavity
Top is connected with the top of the exocoel；The side wall of the non-return valve body is open equipped with third, the third opening and institute
Inner cavity connection is stated, the third opening is not connected with the exocoel, and the floating ball, the top of the inner cavity are equipped in the inner cavity
Equipped with the seal member being bonded with the floating ball to prevent water from being flowed out from the top of inner cavity.
6. ventilative check-valves as claimed in claim 5, which is characterized in that the inner cavity includes at least a chamber, the chamber
Interior is equipped with the floating ball, is equipped with above the chamber and is bonded to prevent water from flowing out from the top of inner cavity with the floating ball
The seal member.
7. ventilative check-valves as claimed in claim 5, which is characterized in that further include the seal member being fixed on institute
The screw on inner cavity is stated, the screw is multiple, and multiple screws are uniformly mounted on the top of the inner cavity.
8. ventilative check-valves as claimed in claim 5, which is characterized in that further include and stop for filling the body cap with described
Return the gasket in the gap between valve body.
9. ventilative check-valves as claimed in claim 5, which is characterized in that further include described for the body cap to be fixed on
Bolt on non-return valve body, the bolt is multiple, and multiple bolts are uniformly distributed along body cap surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603127.8U CN207599051U (en) | 2017-11-24 | 2017-11-24 | A kind of ventilative check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603127.8U CN207599051U (en) | 2017-11-24 | 2017-11-24 | A kind of ventilative check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207599051U true CN207599051U (en) | 2018-07-10 |
Family
ID=62759822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721603127.8U Active CN207599051U (en) | 2017-11-24 | 2017-11-24 | A kind of ventilative check-valves |
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| Country | Link |
|---|---|
| CN (1) | CN207599051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-11-24 CN CN201721603127.8U patent/CN207599051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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