CN215794394U - Rain-shielding backflow type ventilation pipe head - Google Patents
Rain-shielding backflow type ventilation pipe head Download PDFInfo
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- CN215794394U CN215794394U CN202122385592.1U CN202122385592U CN215794394U CN 215794394 U CN215794394 U CN 215794394U CN 202122385592 U CN202122385592 U CN 202122385592U CN 215794394 U CN215794394 U CN 215794394U
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- backflow
- rain
- vent
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Abstract
The utility model discloses a rain-shielding backflow type ventilation pipe head which comprises a backflow seat, wherein an upper cover is detachably mounted at the upper end of the backflow seat, the backflow seat comprises a ventilation pipe, an atomizing device and a liquid collecting tank, the ventilation pipe is symmetrically embedded in the side wall of the backflow seat, air holes are formed in gaps between the upper end of the ventilation pipe and the upper cover, a backflow hole is formed in the middle of the ventilation pipe, a flow guide cover is sleeved on the inner side of the backflow hole, the liquid collecting tank is fixedly arranged on the outer side of the backflow hole, the atomizing device is fixedly mounted on the ventilation pipe, and the atomizing device is arranged between the air holes and the backflow hole; the upper cover comprises a top plate, a rain shielding ring and a flow guide ring, the rain shielding ring is fixedly arranged on the outermost circle of the upper cover, the flow guide ring is fixedly arranged between the positions, corresponding to the vent pipe and the liquid collecting tank, of the upper cover, and the rain shielding ring is connected with the vent pipe through a hinge; has the advantages of simple structure, low cost, good rain-shielding backflow effect and the like.
Description
Technical Field
The utility model relates to the technical field of ventilation pipe heads, in particular to a rain-shielding backflow type ventilation pipe head.
Background
The liquid tanks of the ship are provided with ventilation pipelines, and the tail ends of the ventilation pipelines are provided with ventilation pipe heads. According to the characteristics of liquid in the cabin, oil enclosing plates need to be arranged around some ventilating pipe heads; some are not provided with the oil coaming plate but need an auxiliary pipeline to return the liquid atomized by the gas in the gas-permeable pipe to the liquid tank. Because the existing gas permeable pipe head does not have the gas atomization backflow function, the oil enclosing plate is large in arrangement volume, consumes materials and is relatively high in maintenance frequency; or additional plumbing fixtures and plumbing lines are necessary to achieve atomized liquid recirculation, increasing construction costs.
Therefore, a rain-shielding backflow type ventilation pipe head is provided, which can solve the problems.
Disclosure of Invention
The technical problem to be solved by the utility model is that the large conventional gas permeable pipe head does not have the gas atomization backflow effect, so that the oil enclosing plate has large arrangement volume, consumes materials and has relatively high maintenance frequency; or pipeline accessories and accessory pipelines have to be added to realize atomized liquid backflow, so that the construction cost is increased; there is therefore provided a rain-back permeable header, comprising:
the backflow seat is detachably provided with an upper cover at the upper end and comprises a vent pipe, an atomizing device and a liquid collecting tank, the vent pipe is symmetrically embedded on the side wall of the backflow seat, a vent hole is formed in a gap between the upper end of the vent pipe and the upper cover, a backflow hole is formed in the middle of the vent pipe, a flow guide cover is sleeved on the inner side of the backflow hole, the liquid collecting tank is fixedly arranged on the outer side of the backflow hole, the atomizing device is fixedly arranged on the vent pipe, and the atomizing device is arranged between the vent hole and the backflow hole;
the upper cover comprises a top plate, a rain shielding ring and a flow guide ring, the rain shielding ring is fixedly arranged on the outermost ring of the upper cover, the flow guide ring is fixedly arranged between the positions, corresponding to the vent pipe and the liquid collecting tank, of the upper cover, and the rain shielding ring is connected with the vent pipe through a hinge.
Further, the lower end of the backflow seat is provided with a flange connecting piece, and the flange connecting piece is used for being connected with a ship body ventilating pipe head.
Furthermore, a fireproof net is arranged between the rain shielding ring and the flow guide ring and is arranged at the upper end of the liquid collecting tank.
Further, the upper end of the upper cover is also provided with a handle.
Furthermore, the upper cover is fixedly provided with a positioning clamp corresponding to the vent pipe, and a backflow hole is formed in a gap between the positioning clamp and the vent pipe.
Furthermore, a first fixing buckle is fixedly arranged on the vent pipe, a second fixing buckle is fixedly arranged at the lower end of the rain shielding ring, and the first fixing buckle and the second fixing buckle are connected through a connecting chain.
Further, the connecting chain is replaced by a chain hook.
Further, the kuppe is U type kuppe, the opening of U type kuppe is towards the upper end.
The implementation of the utility model has the following beneficial effects:
1. the utility model has two functions of atomizing gas evaporated in the vent pipe and refluxing atomized liquid, can reduce the volume of the gas atomized liquid flowing out of the vent pipe and reduce the number of matched coamings; auxiliary pipelines and accessories arranged for backflow are reduced, and ship construction and operation costs are reduced.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of the structure of the utility model from the direction A;
fig. 3 is a gas/liquid channel diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to the attached drawings 1-3 of the specification, the technical problem to be solved in the embodiment is that a large conventional gas permeable pipe head does not have a gas atomization backflow function, so that the oil enclosing plate has a large installation volume, consumes materials and has relatively high maintenance frequency; or pipeline accessories and accessory pipelines have to be added to realize atomized liquid backflow, so that the construction cost is increased; there is therefore provided a rain-back permeable header, comprising:
the backflow seat is characterized in that an upper cover is detachably mounted at the upper end of the backflow seat, the backflow seat comprises a vent pipe 1, an atomizing device 5 and a liquid collecting tank 4, the vent pipe 1 is symmetrically embedded on the side wall of the backflow seat, a vent hole 7 is formed in a gap between the upper end of the vent pipe 1 and the upper cover, a backflow hole 3 is formed in the middle of the vent pipe 1, a flow guide cover is sleeved on the inner side of the backflow hole 3, the liquid collecting tank 4 is fixedly arranged on the outer side of the backflow hole 3, the atomizing device 5 is fixedly mounted on the vent pipe 1, and the atomizing device 5 is arranged between the vent hole 7 and the backflow hole 3;
the upper cover includes roof 8, rain ring 10 and water conservancy diversion circle 11, and rain ring 10 is fixed to be set up in the outer lane of upper cover, and water conservancy diversion circle 11 is fixed to be set up between the corresponding permeability cell 1 of upper cover and the position of collecting tank 4, passes through hinged joint between rain ring 10 and the permeability cell 1.
The lower end of the backflow seat is provided with a flange connecting piece 2, and the flange connecting piece 2 is used for connecting the head of the ship body vent pipe 1.
A fireproof net 12 is arranged between the rain shield ring 10 and the deflector ring 11, and the fireproof net 12 is arranged at the upper end of the liquid collecting tank 4.
The upper end of the upper cover is also provided with a handle 13.
The upper cover is fixedly provided with a positioning clamp 9 corresponding to the ventilation pipe 1, and a backflow hole 3 is formed in a gap between the positioning clamp 9 and the ventilation pipe 1.
The upper end of the ventilation pipe 1 is fixedly provided with a first fixing buckle, the lower end of the rain shielding ring 10 is fixedly provided with a second fixing buckle, and the first fixing buckle and the second fixing buckle are connected through a connecting chain.
The connecting chain is replaced by a chain connecting hook.
The air guide sleeve is a U-shaped air guide sleeve 6, and the opening of the U-shaped air guide sleeve 6 faces the upper end.
The implementation principle of the embodiment is as follows:
the principle of ventilation and atomization: the gas of the vent pipe upwards passes through the diversion of the diversion cover to avoid the backflow hole, and part of the gas is atomized when passing through the atomization device; the residual gas reaches the top of the gas permeable pipe head and descends along a channel formed by the outer wall of the gas permeable pipe and the guide plate through the gas permeable holes, and part of gas is atomized along the side wall of the channel in the descending process; the residual gas reaches the bottom of the liquid collecting tank and goes upward along a channel formed by the side wall of the liquid collecting tank and the flow guide ring, and partial gas atomizes the side wall of the channel in the upward process; the residual gas flows downwards along a channel formed by the rain sheltering ring to the outside. The path piece is indicated by a two-dot chain line in the drawing.
The reflux principle is as follows: the liquid atomized by the atomization device directly falls on the vent pipe; the liquid atomized by the liquid collecting tank, the flow guide ring and the vent pipe is collected downwards to the ground of the liquid collecting tank and then flows back to the inside of the vent pipe through the backflow hole. The path piece figure is schematically drawn in single-dot line.
Dismantling and taking precautions: the connecting hook (chain) is separated from the fixing buckle, the handle is lifted, and the top cover is arranged
And then separated from the reflux seat.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a keep off rain backward flow formula ventilative head which characterized in that includes: the backflow seat is detachably provided with an upper cover at the upper end and comprises a vent pipe, an atomizing device and a liquid collecting tank, the vent pipe is symmetrically embedded on the side wall of the backflow seat, a vent hole is formed in a gap between the upper end of the vent pipe and the upper cover, a backflow hole is formed in the middle of the vent pipe, a flow guide cover is sleeved on the inner side of the backflow hole, the liquid collecting tank is fixedly arranged on the outer side of the backflow hole, the atomizing device is fixedly arranged on the vent pipe, and the atomizing device is arranged between the vent hole and the backflow hole;
the upper cover comprises a top plate, a rain shielding ring and a flow guide ring, the rain shielding ring is fixedly arranged on the outermost ring of the upper cover, the flow guide ring is fixedly arranged between the positions, corresponding to the vent pipe and the liquid collecting tank, of the upper cover, and the rain shielding ring is connected with the vent pipe through a hinge.
2. The storm-back vent according to claim 1, wherein a flange connector is provided at a lower end of the return seat for connecting the hull vent.
3. The storm-flap permeable nozzle according to claim 1 wherein a fire screen is further disposed between said rain deflector and said deflector, said fire screen being disposed at an upper end of said sump.
4. The storm-reflux vent head of claim 3, wherein a handle is further provided at an upper end of the upper cover.
5. The rain-shielding backflow type ventilation pipe head according to claim 4, wherein a positioning clamp is fixedly arranged at a position, corresponding to the ventilation pipe, of the upper cover, and a backflow hole is formed in a gap between the positioning clamp and the ventilation pipe.
6. The rain-shielding backflow type ventilation head according to claim 5, wherein a first fixing buckle is fixedly arranged on the ventilation pipe, a second fixing buckle is fixedly arranged at the lower end of the rain shielding ring, and the first fixing buckle and the second fixing buckle are connected through a connecting chain.
7. The storm-return vent head of claim 6, wherein the connecting chains are replaced with chain-linked hooks.
8. The storm-return vent head of claim 1, wherein the fairings are U-shaped fairings open toward an upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385592.1U CN215794394U (en) | 2021-09-30 | 2021-09-30 | Rain-shielding backflow type ventilation pipe head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385592.1U CN215794394U (en) | 2021-09-30 | 2021-09-30 | Rain-shielding backflow type ventilation pipe head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215794394U true CN215794394U (en) | 2022-02-11 |
Family
ID=80168099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122385592.1U Active CN215794394U (en) | 2021-09-30 | 2021-09-30 | Rain-shielding backflow type ventilation pipe head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215794394U (en) |
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2021
- 2021-09-30 CN CN202122385592.1U patent/CN215794394U/en active Active
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