CN216102741U

CN216102741U - Airship low-pressure state air intake shape-preserving device

Info

Publication number: CN216102741U
Application number: CN202122620719.3U
Authority: CN
Inventors: 陈海雄; 张昊; 钱宇光
Original assignee: Nanjing Changfeng Space Electronics Technology Co Ltd
Current assignee: Nanjing Changfeng Space Electronics Technology Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-22
Anticipated expiration: 2031-10-29

Abstract

The utility model provides an airship low-pressure state air inlet shape-preserving device which is arranged at an airship air inlet and comprises a shell, wherein a valve cover is arranged on the inner side of the shell; the bottom of the shell is connected with an air blower to blow air to a boat body of the airship; the valve cover comprises a hinge, a sealing ring, a magnetic block and an iron screw; the hinge is obliquely installed on the inner side of the shell, the sealing ring is annular and is arranged between the shell and the hinge, the sealing ring is fixedly connected to the inner side of the shell through an iron screw, the magnetic block is arranged on the periphery of the hinge, and the iron screw is attracted when the hinge is closed. The airship low-pressure state air inlet shape-preserving device provided by the utility model is simple in structure, can ensure smooth air inlet in a low-pressure shape-preserving process and good sealing in a high-pressure state.

Description

Airship low-pressure state air intake shape-preserving device

Technical Field

The utility model relates to an airship low-pressure state air inlet shape-preserving device, and belongs to the technical field of aerospace.

Background

The airship has the advantages of long air-parking time, heavy load, high safety factor and the like as an aerial platform, but in practical use, if environmental influences such as day and night change, air pressure change in a descending process and the like are met, the air in the airship body is contracted, and the airship body is caused to be low-pressure and cannot keep the shape of the airship to reduce the wind resistance of the airship. Conventional intake valves are open or electrically controlled. The open valve is not only easy for foreign matters to fall into the boat, but also for the gas to escape all the time, and the continuous working power loss of the gas inlet system is larger. The electric control valve increases the complexity of manufacture, maintenance and the like, and increases the weight of the system. Therefore, an air inlet structure with smooth air inlet and good sealing is needed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the airship low-pressure state air inlet shape-preserving device which is simple in structure, can ensure smooth air inlet in the low-pressure shape-preserving process and good in high-pressure state sealing.

In order to achieve the aim, the utility model provides an airship low-pressure state air inlet shape-preserving device which is arranged at an airship air inlet and comprises a shell, wherein a valve cover is arranged on the inner side of the shell;

the bottom of the shell is connected with an air blower to blow air to a boat body of the airship;

the valve cover comprises a hinge, a sealing ring, a magnetic block and an iron screw; the hinge is obliquely installed on the inner side of the shell, the sealing ring is annular and is arranged between the shell and the hinge, the sealing ring is fixedly connected to the inner side of the shell through an iron screw, the magnetic block is arranged on the periphery of the hinge, and the iron screw is attracted when the hinge is closed.

Furthermore, the shell is made of plastic.

Further, the bottom of the shell is connected with the blower by adopting an integrated layered structure.

Furthermore, the plane of hinge installation and the horizontal plane that air-blower gas outlet place are 15.

Furthermore, the leaves of the hinge are semicircular and are connected through the clamping holes.

Furthermore, the magnetic block has 2, and the symmetry is installed in the edge that the blade is kept away from the connecting axle.

Further, the magnetic block is mounted on the upper surface of the leaf.

Further, the sealing washer adopts the silica gel material.

Furthermore, the hinge is made of plastic.

Preferably, a plug for supplying power to the blower is fixedly connected to a side surface of the housing.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is arranged at an air inlet of an airship and comprises a shell, wherein a valve cover is arranged on the inner side of the shell; the bottom of the shell is connected with an air blower, air is blown to the airship body of the airship, and smooth air inlet in the low-pressure shape-preserving process can be ensured;

the valve cover comprises a hinge, a sealing ring, a magnetic block and an iron screw; the hinge is obliquely arranged on the inner side of the shell, so that the valve cover can fall back by the gravity of the valve cover under the closing state of the air blower; the sealing washer is the annular, locates between casing and the hinge, the sealing washer passes through iron screw rigid coupling in the casing inboard, the week side of hinge is located to the magnetic path inhale when the hinge is closed iron screw, iron screw can strengthen the valve gap and inhale under the closure state and close intensity, improve the leakproofness, can guarantee to seal well at high-pressure state.

Drawings

FIG. 1 is a perspective view of an intake conformal device for an airship in a low-pressure state according to an embodiment of the utility model;

fig. 2 is a sectional view of an airship low-pressure state air inlet conformal device provided by the embodiment of the utility model.

In the figure: 1. a housing; 2. a hinge; 3. a seal ring; 4. a magnetic block; 5. iron screws; 6. a clamping hole; 7. a blower; 8. and (4) a plug.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements 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. Furthermore, the terms "first," "second," "third," and the like are used merely to describe distinctions and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1 and 2, the airship low-pressure state air inlet shape-preserving device provided by the utility model is arranged at an airship air inlet and comprises a shell, wherein the bottom of the shell is connected with an air blower, a plug for supplying power to the air blower is fixedly connected to the side surface of the shell, and the air blower blows air to a hull of the airship through the airship low-pressure state air inlet shape-preserving device.

The shell is made of plastic materials, and the whole weight of the airship can be reduced. The bottom of the shell is connected with the blower by adopting an integrated layered structure.

The valve cover is arranged on the inner side of the shell and comprises a hinge, a sealing ring, a magnetic block and an iron screw. The hinge slope is installed at the casing inboard, and is concrete, and the plane of hinge installation is personally submitted 15 with air-blower gas outlet place level, and under the air-blower off-state, the valve gap can rely on self gravity to fall back. The hinge leaf is semicircular, and the two leaves are connected through the clamping hole. The magnetic blocks are 2 and symmetrically arranged on the upper surface of the edge of the leaf far away from the connecting shaft. The hinge adopts the plastics material, can alleviate the whole weight of dirigible. When the blower is started, the hinge of the valve cover can be easily jacked open by wind pressure, and smooth air inlet in the low-pressure shape-preserving process can be ensured;

the sealing ring is annular and is arranged between the shell and the hinge, and the sealing ring is fixedly connected to the inner side of the shell through an iron screw. When the hinge is closed, the magnet blocks can absorb the iron screws, the iron screws can enhance the absorption strength of the valve cover in a closed state, the sealing performance is improved, and good sealing performance can be guaranteed in a high-pressure state.

Example 2:

based on the airship low-pressure state air inlet shape-preserving device provided by the embodiment 1, the embodiment provides the operation principle of the airship low-pressure state air inlet shape-preserving device.

The airship is descending low-altitude process from high altitude, and atmospheric pressure rises, extrudees the hull, and the hull contracts, and the air-blower starts this moment, and the hinge of wind pressure back-up valve gap is bloated to the hull, keeps the hull shape, reduces airship resistance coefficient, improves anti-wind ability.

The airship is in the shadow process of wearing long-pending cloud, and sunshine is sheltered from, and the internal gas temperature of ship descends, and the hull contracts, and the air-blower starts this moment, and the hinge of wind pressure back-off valve gap is bloated to the hull, keeps the hull shape, reduces airship resistance coefficient, improves the anti-wind ability.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The airship low-pressure state air inlet shape-preserving device is characterized by being arranged at an airship air inlet and comprising a shell, wherein a valve cover is arranged on the inner side of the shell;

2. The airship low pressure state air intake conformal device according to claim 1, wherein the shell is made of plastic material.

3. The airship low pressure state air intake conformal device according to claim 1, wherein the bottom of the shell is connected with the blower in an integrated layered structure.

4. The airship low pressure state air intake conformal device according to claim 1, wherein the plane of the hinge installation is 15 ° to the level of the air outlet of the blower.

5. The airship low pressure state air intake conformal device according to claim 1, wherein the leaves of the hinge are semicircular and connected through the clamping holes.

6. The airship low-pressure state air inlet conformal device as claimed in claim 5, wherein the magnetic blocks are 2 and are symmetrically arranged at the edges of the leaves far away from the connecting shaft.

7. The airship low pressure state air intake conformal device of claim 5, wherein the magnetic block is installed on the upper surface of the leaf.

8. The airship low-pressure state air inlet shape-preserving device as claimed in claim 1, wherein the sealing ring is made of silica gel.

9. The airship low-pressure state air intake conformal device according to claim 1, wherein the hinge is made of plastic.