CN216185987U

CN216185987U - Aircraft grid assembly and aircraft

Info

Publication number: CN216185987U
Application number: CN202122972191.6U
Authority: CN
Inventors: 卢秉贺; 吴承思; 杨悦; 王凯伦; 关惟识; 宫占峰
Original assignee: Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-05
Anticipated expiration: 2031-11-30

Abstract

The utility model belongs to the technical field of airplane water retaining and discloses an airplane grille assembly and an airplane. The aircraft grille component comprises a base plate and a grille part, wherein a boss is convexly arranged on the base plate, a radiating hole is arranged on the boss, and the radiating hole penetrates through the base plate; the grid part comprises a plurality of grid pieces which are arranged side by side and at intervals, the grid pieces are arranged on the bosses, heat dissipation channels are formed between the adjacent grid pieces, and the heat dissipation channels are communicated with the heat dissipation holes. According to the aircraft grille component provided by the utility model, the boss is arranged on the base plate, the boss protrudes to the outer side of the base plate, the grille sheet is arranged on the boss, the boss can block rainwater, the rainwater is prevented from entering the interior of the aircraft body in the direction of the grille sheet, and the safety of the aircraft is improved. The airplane provided by the utility model comprises the airplane grille component, and the airplane grille component can block rainwater in rainy days and in the flying process of the airplane, so that the safety and the reliability of the airplane are improved.

Description

Aircraft grid assembly and aircraft

Technical Field

The utility model relates to the technical field of airplane water retaining, in particular to an airplane grille assembly and an airplane.

Background

The fuselage of an aircraft is provided with a large number of devices which generate a lot of heat during operation, and the heat is continuously accumulated in the fuselage, so that the temperature in the fuselage is continuously increased, and the normal operation of the fuselage structure and system devices is adversely affected.

In the prior art, a ventilation device is usually arranged on a fuselage of an aircraft to diffuse heat inside the aircraft, and a traditional aircraft ventilation device is usually designed with an aircraft grille structure on the surface of the fuselage, wherein a ventilation opening is arranged on the fuselage, and a grille sheet is obliquely arranged on one side of the opening to diffuse heat inside the aircraft.

When the rain weather occurs, the grille pieces are arranged on the surface of the machine body, so that rain on the machine body can enter the machine body along the direction of the grille pieces, and the equipment in the machine body is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aircraft grille component and an aircraft, and aims to solve the problem that rainwater on an aircraft body easily enters the interior of the aircraft body along a grille sheet to damage equipment in the aircraft body in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an aircraft grille assembly comprising:

the base plate is convexly provided with a boss, the boss is provided with heat dissipation holes, and the heat dissipation holes penetrate through the base plate;

the grid part comprises a plurality of grid pieces which are arranged side by side and at intervals, the grid pieces are arranged on the bosses, heat dissipation channels are formed between the adjacent grid pieces, and the heat dissipation channels are communicated with the heat dissipation holes.

Optionally, the grid element further comprises a grid base, the grid base is connected to the end face of the boss, the grid pieces are arranged on one side, away from the boss, of the grid base, a through hole is formed in the grid base, and the through hole is respectively communicated with the heat dissipation holes and the heat dissipation channel.

Optionally, the grid pieces and the grid base are integrally formed, or the grid pieces and the grid base are detachably connected.

Optionally, the grid piece includes butt portion and water blocking portion that are the contained angle and connect, butt portion with the grid base is connected, forms between two adjacent water blocking portions the heat dissipation channel.

Optionally, an included angle between the grid pieces and the end face of the boss is 35-55 °.

Optionally, the boss and the grid member are integrally formed, or the grid member and the boss are detachably connected.

Optionally, the distance between the end face of the boss and the substrate is 10mm-30 mm.

Optionally, the grid pieces are provided with reinforcing ribs.

Optionally, the aircraft grille component includes a plurality of base plates that connect gradually, and adjacent two the base plate is the contained angle setting, every be provided with at least one on the base plate the boss, the boss with the grid spare one-to-one sets up.

An aircraft comprising an aircraft grille assembly according to any preceding claim.

The utility model has the beneficial effects that: according to the aircraft grille component provided by the utility model, the boss is arranged on the base plate, in the actual use process, the boss is positioned on one side of the base plate, which is far away from the interior of the aircraft, and the grille sheet is arranged on the boss, so that in rainy days, the boss can block rainwater, rainwater is prevented from entering the interior of the aircraft body along the grille sheet, the rainwater is prevented from damaging equipment in the aircraft, the safety and the reliability of the aircraft are improved, and the safety and the reliability of the aircraft are improved.

The airplane provided by the utility model comprises the airplane grille component, and in the flying process of the airplane, the airplane grille component can block rainwater, so that the rainwater is prevented from entering the interior of the airplane body along the grille pieces, and the safety and the reliability of the airplane are improved.

Drawings

FIG. 1 is a schematic structural diagram of a substrate and a boss provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of an aircraft grille assembly provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of a grating member according to an embodiment of the present invention.

In the figure:

1. a substrate; 2. a boss; 21. heat dissipation holes; 3. a grating element; 31. a grating sheet; 32. a grille base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides an aircraft grille assembly, as shown in fig. 1-3, the aircraft grille assembly includes a base plate 1 and a grille part 3, a boss 2 is convexly arranged on the base plate 1, a heat dissipation hole 21 is arranged on the boss 2, and the heat dissipation hole 21 penetrates through the base plate 1; the grating part 3 comprises a plurality of grating pieces 31 which are arranged side by side and at intervals, the grating pieces 31 are arranged on the boss 2, a heat dissipation channel is formed between every two adjacent grating pieces 31, and the heat dissipation channel is communicated with the heat dissipation holes 21.

According to the aircraft grille component provided by the utility model, in the use process, the boss 2 is positioned on one side of the substrate 1, which is far away from the interior of an aircraft, and the heat dissipation holes 21 face the scavenging port of the aircraft, so that the air inside and outside the aircraft can exchange heat through the scavenging port and the heat dissipation holes 21, and the heat dissipation effect of the equipment in the aircraft is realized; through set up boss 2 on base plate 1, boss 2 is protruding to base plate 1's outside, and on boss 2 was located to grid piece 31, in rainwater weather, boss 2 can play the effect of blockking to the rainwater, avoids the rainwater to get into the fuselage along the direction of grid piece 31 inside, prevents that the rainwater from causing the damage to the inside equipment of aircraft, has improved the security and the reliability of aircraft.

Optionally, the boss 2 and the grid member 3 are integrally formed, so that the process flow can be reduced, and the processing cost can be reduced. Or, the boss 2 and the grating piece 3 are detachably connected, so that the mounting or dismounting of the boss 2 and the grating piece 3 is facilitated. Illustratively, the grating elements 3 are connected to the bosses 2 by means of insertions or by means of fasteners, the assembly being simple and the grating elements 3 being less susceptible to damage. In this embodiment, the fasteners may be selected from screws. In other embodiments, the grating elements 3 and the bosses 2 may be fixed by welding. The skilled person can set the specific connection between the boss 2 and the grid member 3 according to specific needs.

As shown in fig. 2-3, the grating member 3 further includes a grating base 32, the grating base 32 is connected to the end surface of the boss 2, the grating sheet 31 is disposed on one side of the grating base 32 away from the boss 2, and the grating base 32 is provided with a via hole, which is respectively in direct communication with the heat dissipation hole 21 and the heat dissipation channel. Through setting up grid base 32, grid piece 31 is located on grid base 32, and during the installation, grid base 32 and grid piece 31 can be installed on boss 2 as a whole, have improved the convenience of installing grid spare 3 in boss 2, simultaneously, also do benefit to the dismantlement.

Optionally, the grid plate 31 and the grid base 32 are integrally formed, so that the process steps can be reduced, and the processing cost can be reduced. Or, the grid sheet 31 and the grid base 32 are detachably connected, so that the grid base is convenient to detach and install.

For the area of contact of increase grid piece 31 and grid base 32, improve the steadiness that grid piece 31 and grid base 32 are connected, grid piece 31 is including being butt portion and the manger plate portion that the contained angle is connected, and butt portion is connected with grid base 32, forms heat dissipation channel between two adjacent manger plate portions.

The angle between the grating sheet 31 and the end face of the boss 2 is preferably 35-55 deg. So set up to the air flow characteristics of adaptation aircraft in flight process can effectively improve the efficiency of taking a breath of aircraft flight in-process. Specifically, the included angle between the water retaining part and the end face of the boss 2 is 35-55 degrees, so that the air exchange efficiency is improved.

In order to improve the strength and reliability of the grating sheet 31, the grating sheet 31 is provided with a reinforcing rib.

Optionally, the distance between the end face of the boss 2 and the substrate 1 is 10mm-30 mm. So set up, can prevent effectively that the rainwater from getting into the fuselage along the fuselage of aircraft inside, also can avoid appearing because of 2 terminal surfaces of boss and base plate 1 distance are far away, make the heat dissipation channel overlength and lead to the poor problem of practicality.

Optionally, the aircraft grille component comprises a plurality of sequentially connected substrates 1, two adjacent substrates 1 are arranged at an included angle, each substrate 1 is at least provided with a boss 2, and the bosses 2 and the grille parts 3 are arranged in a one-to-one correspondence manner. Through establishing the aircraft grille subassembly into a plurality of base plate 1 that connects gradually, can set up all grid pieces 31 dispersion on the whole aircraft grille subassembly on the boss 2 of a plurality of base plate 1, reduced the processing degree of difficulty of grid spare 3, and then reduced the crackle rate of grid spare 3, be favorable to the technology manufacturing and practice thrift the cost.

Alternatively, the base plate 1 is connected to the fuselage of the aircraft by welding, or the base plate 1 is detachably connected to the fuselage of the aircraft. The base plate 1 is connected with the airplane body of the airplane through welding, so that the base plate 1 is connected with the airplane body more tightly; through can dismantle base plate 1 with the fuselage and be connected, be convenient for install and dismantle, do benefit to the change to base plate 1.

In order to further prevent rainwater from entering the interior of the aircraft body, when the base plate 1 is installed on the aircraft body, the joint of the base plate 1 and the aircraft body is sealed by adopting sealant. Optionally, the junction of the grid base 32 and the end face of the boss 2 is sealed with a sealant to prevent rainwater from entering the interior of the fuselage.

The embodiment also provides an aircraft comprising the aircraft grille assembly. In rainy days and in the process of flying the airplane, the airplane grille component can block rainwater, so that the rainwater is prevented from entering the interior of the airplane body along the grille pieces 31, and the safety and the reliability of the airplane are improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An aircraft grille assembly, comprising:

the heat dissipation structure comprises a substrate (1), wherein a boss (2) is convexly arranged on the substrate (1), a heat dissipation hole (21) is formed in the boss (2), and the heat dissipation hole (21) penetrates through the substrate (1);

grid spare (3), including a plurality of side by side and grid piece (31) that the interval set up, grid piece (31) are located on boss (2), and are adjacent be formed with heat dissipation channel between grid piece (31), heat dissipation channel with louvre (21) just to the intercommunication.

2. The aircraft grille assembly of claim 1, characterized in that the angle between the grille panel (31) and the end face of the boss (2) is 35 ° -55 °.

3. The aircraft grille assembly of claim 1, characterized in that the boss (2) is integrally formed with the grille part (3) or the grille part (3) is detachably connected to the boss (2).

4. The aircraft grille assembly of claim 1, wherein the grille member (3) further comprises a grille base (32), the grille base (32) is connected to an end surface of the boss (2), the grille plate (31) is disposed on a side of the grille base (32) away from the boss (2), and a through hole is disposed on the grille base (32), and the through hole is respectively in direct communication with the heat dissipation hole (21) and the heat dissipation channel.

5. The aircraft grille assembly of claim 4, characterized in that the grille plate (31) is integrally formed with the grille base (32) or the grille plate (31) is detachably connected to the grille base (32).

6. The aircraft grille assembly of claim 4, wherein the grille plate (31) includes an abutting portion and a water blocking portion connected at an included angle, the abutting portion is connected with the grille base (32), and the heat dissipation channel is formed between two adjacent water blocking portions.

7. The aircraft grille assembly of any one of claims 1 to 6, characterized in that the distance between the end face of the boss (2) and the base plate (1) is 10mm to 30 mm.

8. The aircraft grille assembly of any one of claims 1 to 6, characterized in that the grille plates (31) are provided with reinforcing ribs.

9. The aircraft grille assembly of any one of claims 1 to 6, characterized in that the aircraft grille assembly comprises a plurality of said base plates (1) connected in sequence, two adjacent base plates (1) are arranged at an included angle, each base plate (1) is provided with at least one said boss (2), and said bosses (2) and said grille members (3) are arranged in a one-to-one correspondence.

10. An aircraft comprising an aircraft grille assembly as defined in any one of claims 1 to 9.