Adapter bracket and method for installing blinds in A320 aircraft cabin

Abstract

The present invention discloses a transfer bracket and method for installing blinds in the cabin of an A320 aircraft, including a stepped transfer bracket and a T-shaped transfer bracket, wherein the stepped transfer bracket includes a stepped plate body and an upper connecting surface and a lower connecting surface respectively arranged at the upper and lower parts of the steps of the stepped plate body, the bottom edge of the stepped plate body is a bevel, and connecting structures are respectively arranged on the upper part, the upper connecting surface and the lower connecting surface of the stepped plate body of the stepped transfer bracket; the T-shaped transfer bracket is composed of a vertical plate and a horizontal plate connected to the vertical plate, the plate surfaces of the horizontal plate and the vertical plate are perpendicular to each other, and connecting structures are respectively arranged on the upper and lower parts of the vertical plate and the horizontal plate. The present invention can liberate the degree of freedom of the aircraft in the span direction, increase the space between the blinds and the aircraft structure, and does not need to open a hole in the fuselage structure, has no effect on the original strength of the fuselage structure, does not need to reapply for a structural license, and reduces time cost and expenses; the number of parts is small and the structure is simple, the precision requirement is low, the installation is simple, and the maintenance and parts replacement are convenient.

Description

Technical Field

[0001] The invention relates to an adapter bracket for installing a shutter in an A320 aircraft cabin, and also relates to a method for installing the shutter by using the adapter bracket. Background Art

[0002] The shutters used on aircraft are different from those used in civilian applications. In addition to the shading function, they also take into account the function of the aircraft cabin interior panels. At present, the mainstream interior panels installed in the cabin of the A320 aircraft are side wall panels, which are also the components that come with general commercial aircraft models. When the aircraft leaves the factory, the side wall panel brackets will be installed on the upper part of the bulkhead, and the return air grille brackets will be installed on the lower part of the bulkhead as the connection points of the side wall panels. However, when the aircraft is modified, if the original side wall panels need to be removed and replaced with other forms of interior panels (such as shutters), the original brackets will become a limitation. The new interior panels can only be assembled at fixed connection points, but fixed connection points will bring limitations, and other modified parts will also be affected. If only the original connection points are used for connection, the space covered by the interior panel will be limited first, and the parts that want to be installed between the interior panel and the structure need to be reconsidered. Secondly, since the size of the original bracket is fixed, the connection interface of the interior panel must be set at the position of the original bracket. In order to meet these conditions, the profile and overall structure of the interior panel will be affected.

[0003] The main solution to the above problem is to open new holes in the aircraft's bulkhead and other structures, seal the old abandoned holes with rivets, and install brackets or profiles as transfer connection points on the new holes through rivets. The disadvantage of this method is that it is necessary to open holes in the aircraft structure, which will affect the original strength of the fuselage structure. At the same time, in terms of airworthiness certification, it is also necessary to recalculate the strength of the structure based on the newly opened holes and then reapply for the structure license, which is time-consuming and expensive. Summary of the invention

[0004] The first object of the present invention is to provide an adapter bracket for installing blinds in the cabin of an A320 aircraft, which has a simple structure, low cost, simple installation and maintenance, can liberate the freedom of the aircraft span, increase the space between the blinds and the aircraft structure, and ensure the original strength of the fuselage structure.

[0005] The first object of the present invention is achieved through the following technical measures: an adapter bracket for installing blinds in the cabin of an A320 aircraft, characterized in that it includes a stepped adapter bracket and a T-shaped adapter bracket, the stepped adapter bracket includes a stepped plate body and an upper connecting surface and a lower connecting surface respectively arranged at the upper and lower parts of the step of the stepped plate body, the bottom edge of the stepped plate body is a hypotenuse, and connecting structures are respectively arranged on the upper part, the upper connecting surface and the lower connecting surface of the stepped plate body of the stepped adapter bracket; the T-shaped adapter bracket is composed of a vertical plate and a horizontal plate connected to the vertical plate, the plate surfaces of the horizontal plate and the vertical plate are perpendicular to each other, and connecting structures are respectively arranged on the upper and lower parts of the vertical plate and the horizontal plate.

[0006] Using the stepped adapter bracket and the T-shaped adapter bracket of the present invention to install blinds in the cabin of an A320 aircraft can free up the aircraft's spanwise freedom, increase the space between the blinds and the aircraft structure, and no holes need to be drilled in the fuselage structure, which has no effect on the original strength of the fuselage structure and no need to reapply for structural permits, thereby reducing time costs and expenses. In addition, the present invention has fewer types of parts and a simple structure, has low requirements on the manufacturing accuracy of the parts, is easy to install, and is convenient for subsequent maintenance and parts replacement.

[0007] The present invention provides a stiffening plate between the plate surfaces of the transverse plate and the vertical plate of the T-shaped adapter bracket, which can increase the strength of the T-shaped adapter bracket and ensure the stability of the structure.

[0008] The stepped adapter bracket and the T-shaped adapter bracket described in the present invention each form a pair, wherein the upper connecting surface and the lower connecting surface of the pair of stepped adapter brackets are both located on the outer side of the stepped plate body.

[0009] The connection structure described in the present invention is a connection hole.

[0010] The bottom angle α of the stepped adapter bracket of the present invention is 50° to 90°.

[0011] The upper connecting surface and the lower connecting surface of the present invention are connected as a whole through the step surface, and the upper connecting surface extends to the entire top of the stepped plate body.

[0012] A second object of the present invention is to provide an installation method using the above-mentioned adapter bracket.

[0013] The second object of the present invention is achieved by the following technical measures: an installation method using the above-mentioned adapter bracket, characterized by comprising the following steps:

[0014] S1, connecting the upper part and the upper connecting surface of the stepped plate body of the pair of stepped adapter brackets to the air outlet bracket and the air outlet located above the shutter installation position through the connecting structure respectively;

[0015] S2, connecting the horizontal plates of the pair of T-shaped adapter brackets to the air conditioning pipe brackets located on both sides of the shutter installation position through the connecting structure;

[0016] S3, place the blinds to be installed in place, connect the lower connecting surfaces of the pair of stepped adapter brackets to the top edge of the blinds through the connecting structure, and connect the upper and lower parts of the vertical plates of the pair of T-shaped adapter brackets to the upper parts of both sides of the blinds through the connecting structure, and the blinds are installed in the cabin of the A320 aircraft.

[0017] Compared with the prior art, the present invention has the following significant effects:

[0018] (1) The use of the stepped adapter bracket and the T-shaped adapter bracket of the present invention to install blinds in the cabin of an A320 aircraft can liberate the degree of freedom in the aircraft span direction, increase the space between the blinds and the aircraft structure, and no holes need to be opened in the fuselage structure, which has no effect on the original strength of the fuselage structure and no need to reapply for structural permits, thereby reducing time costs and expenses.

[0019] (2) The present invention has fewer types of parts and a simple structure, has low requirements on the manufacturing accuracy of parts, is easy to install, and is convenient for subsequent maintenance and parts replacement.

[0020] (3) The original adapter bracket of the aircraft air-conditioning pipeline is soft in texture and poor in rigidity. After being replaced with the adapter bracket of the present invention, the fixing ability of the air-conditioning pipeline is enhanced, and the overall stability of the interior of the cabin is improved.

[0021] ⑷ The stepped adapter bracket of the present invention has a corner box-type structure. This structural design saves space to the greatest extent, while cleverly ensuring the firmness and stability of the structure; the stepped structure enhances the load-bearing capacity of the adapter bracket, effectively avoiding the cantilever beam situation caused by uneven force, and the corner box-type design of the bracket cleverly combines aesthetics and practicality. It is not only beautiful, but also can provide a stable support point during installation. In addition, this design also takes into account the convenience of installation and maintenance, making the entire system more efficient and reliable.

[0022] (5) The present invention arranges a stiffening plate between the two plate surfaces of the T-shaped adapter bracket to increase the strength of the adapter bracket and ensure the stability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the stepped adapter bracket of the present invention;

[0025] Figure 2 is a side view of the stepped adapter bracket of the present invention;

[0026] Figure 3 This is one of the three-dimensional structural schematic diagrams of the T-shaped adapter bracket of the present invention;

[0027] Figure 4 This is the second schematic diagram of the three-dimensional structure of the T-shaped adapter bracket of the present invention;

[0028] Figure 5 It is an assembly diagram of the present invention for installing the blinds in the cabin of an A320 aircraft by means of a stepped adapter bracket and a T-shaped adapter bracket (showing the back side);

[0029] Figure 6 It is a structural exploded view (showing the front) of the present invention in which the shutter is installed in the cabin of an A320 aircraft by means of a stepped adapter bracket and a T-shaped adapter bracket;

[0030] Figure 7 1 is a schematic diagram of the structure of the present invention using a stepped adapter bracket to connect the blinds (showing the back side);

[0031] Figure 8 It is a schematic diagram of the structure of the present invention using a T-shaped adapter bracket to connect the blinds (showing the back side).

[0032] In the figure: 1- stepped adapter bracket, 2- T-shaped adapter bracket, 3- connecting hole, 4- shutter, 5- air outlet bracket, 6- air conditioning pipe bracket, 11- bottom edge, 12- stepped plate body, 13- upper connecting surface, 14- lower connecting surface, 15- step surface, 21- vertical plate, 22- horizontal plate, 23- stiffening plate, 41- top edge. DETAILED DESCRIPTION

[0033] The present invention is further illustrated below through the description of specific implementation methods, but this is not a limitation of the present invention. Those skilled in the art can make various modifications or improvements based on the basic idea of ​​the present invention, but as long as they do not deviate from the basic idea of ​​the present invention, they are all within the protection scope of the present invention.

[0034] like Figures 1 to 4 As shown, an adapter bracket for installing blinds in the cabin of an A320 aircraft according to the present invention comprises a stepped adapter bracket 1 and a T-shaped adapter bracket 2, each of which is a pair and is made of aluminum alloy, wherein the stepped adapter bracket 1 comprises a stepped plate body 12 and an upper connecting surface 13 and a lower connecting surface 14 respectively arranged at the upper and lower parts of the step of the stepped plate body 12, the upper connecting surface 13 and the lower connecting surface 14 are connected as a whole through a step surface 15, and the upper connecting surface 13 extends to the entire top of the stepped plate body 12, the bottom edge 11 of the stepped plate body 1 is a hypotenuse, and the bottom angle α of the stepped adapter bracket 1 is 50° to 90°. Connecting structures are respectively arranged on the upper part of the stepped plate body 12, the upper connecting surface 13 and the lower connecting surface 14 of the stepped adapter bracket 1.

[0035] The T-shaped transfer bracket 2 is composed of a vertical plate 21 and a horizontal plate 22 connected to the outer edge of the middle part of the vertical plate 21. The plate surfaces of the horizontal plate 22 and the vertical plate 21 are perpendicular to each other, and a stiffening plate 23 is provided between the two plate surfaces. Connection structures are provided on the upper and lower parts of the vertical plate 21 and the horizontal plate 22. The connection structures of the stepped transfer bracket 1 and the T-shaped transfer bracket 2 both use connection holes 3.

[0036] like Figures 5 to 8 As shown, a method for installing blinds in the cabin of an A320 aircraft using the above-mentioned adapter bracket uses a pair of stepped adapter brackets 1 and a pair of T-shaped adapter brackets 2, wherein the upper connecting surface 13 and the lower connecting surface 14 of the pair of stepped adapter brackets 1 are both located on the outside of the stepped plate body 12.

[0037] The method for installing the blinds specifically includes the following steps:

[0038] S1, connecting the upper part and upper connecting surface of the stepped plate body of the pair of stepped adapter brackets 1 to the air outlet bracket 5 and the air outlet located above the installation position of the blind 4 through the connecting holes and fasteners thereon respectively;

[0039] S2, connecting the transverse plates 22 of the pair of T-shaped adapter brackets 2 to the air conditioning pipe brackets 6 located on both sides of the installation position of the blinds 4 through the connection holes and fasteners thereon respectively;

[0040] S3, put the blinds 4 to be installed in place, then connect the lower connecting surfaces of the pair of stepped adapter brackets 1 to the top edge 41 of the blinds 4 through the connecting holes and fasteners thereon, and connect the upper and lower parts of the vertical plates 21 of the pair of T-shaped adapter brackets 2 to the upper parts of both sides of the blinds 4 through the connecting holes and fasteners thereon, and the blinds are installed in the cabin of the A320 aircraft.

[0041] Among them, the fasteners connected to the air outlet bracket 5 are screws, washers and clamp nuts; the fasteners connected to the air outlet are screws, washers and nuts; the fasteners connected to the shutters 4 are screws, washers, rubber pads and clamp nuts; the fasteners connected to the air conditioning pipe bracket 6 are screws, washers and drag plate nuts.

[0042] The specific dimensions of the stepped adapter bracket and the T-shaped adapter bracket of the present invention can be adjusted according to actual conditions. The stepped adapter bracket and the T-shaped adapter bracket do not interfere with other structures and provide sufficient space for the installation of other components.

[0043] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by a person with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. An adapter bracket for installing blinds in an A320 aircraft cabin, characterized in that: It includes a stepped adapter bracket and a T-shaped adapter bracket, the stepped adapter bracket includes a stepped plate body and an upper connecting surface and a lower connecting surface respectively arranged at the upper and lower parts of the steps of the stepped plate body, the bottom side of the stepped plate body is a hypotenuse, and connecting structures are respectively arranged on the upper part, the upper connecting surface and the lower connecting surface of the stepped plate body of the stepped adapter bracket; the T-shaped adapter bracket is composed of a vertical plate and a horizontal plate connected to the vertical plate, the plate surfaces of the horizontal plate and the vertical plate are perpendicular to each other, and connecting structures are respectively arranged on the upper and lower parts of the vertical plate and the horizontal plate.

2. The adapter bracket for installing blinds in the cabin of an A320 aircraft according to claim 1, characterized in that: A stiffening plate is provided between the plate surfaces of the transverse plate and the vertical plate of the T-shaped adapter bracket.

3. The adapter bracket for installing blinds in the cabin of an A320 aircraft according to claim 2, characterized in that: The stepped adapter bracket and the T-shaped adapter bracket each form a pair, wherein the upper connecting surface and the lower connecting surface of the pair of stepped adapter brackets are both located on the outer side of the stepped plate body.

4. The adapter bracket for installing blinds in the cabin of an A320 aircraft according to claim 3, characterized in that: The connection structure is a connection hole.

5. The adapter bracket for installing blinds in the cabin of an A320 aircraft according to claim 4, characterized in that: The bottom angle α of the stepped adapter bracket is 50° to 90°.

6. The adapter bracket for installing blinds in the cabin of an A320 aircraft according to claim 5, characterized in that: The upper connecting surface and the lower connecting surface are connected as a whole through the step surface, and the upper connecting surface extends to the entire top of the stepped plate body.

7. An installation method using the adapter bracket according to claim 3, characterized in that The following steps are involved: S1, connecting the upper part and the upper connecting surface of the stepped plate body of the pair of stepped adapter brackets to the air outlet bracket and the air outlet located above the shutter installation position through the connecting structure respectively; S2, connecting the horizontal plates of the pair of T-shaped adapter brackets to the air conditioning pipe brackets located on both sides of the shutter installation position through the connecting structure; S3, place the blinds to be installed in place, connect the lower connecting surfaces of the pair of stepped adapter brackets to the top edge of the blinds through the connecting structure, and connect the upper and lower parts of the vertical plates of the pair of T-shaped adapter brackets to the upper parts of both sides of the blinds through the connecting structure, and the blinds are installed in the cabin of the A320 aircraft.

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