Quick-release structure for connection of carrying device and aircraft cabin door support

Abstract

The utility model discloses a quick-release structure for connecting a carrying device and an airplane cabin door support, which belongs to the technical field of airplane ground support equipment and comprises an airplane door frame, an airplane floor, a support shaft and a mounting seat, the support shaft is arranged on the inner side of the airplane door frame, and the carrying device is arranged on the outer side of the support shaft. The mounting seat is fixedly connected with the carrying device, the mounting seat comprises a mounting hole and a guide groove, a connecting lock hook is arranged at one end of the mounting seat, and the carrying device is connected with the aircraft bracket in a quick-assembly and quick-disassembly manner without additional tools; according to the aircraft cabin door support, the type of the carrying device is not limited, the carrying device can be fixedly connected with and separated from the aircraft cabin door support conveniently, rapidly and safely, so that connection and separation of the carrying device and an aircraft are achieved, and the related structure can be disassembled and replaced; and the device is suitable for carrying structures of various forms, and the adaptability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft ground support equipment, and in particular relates to a quick-release structure for connecting a carrier device with an aircraft cabin door bracket. Background Art

[0002] The connection between the carrier and the aircraft is usually achieved through the following three technologies:

[0003] Non-mechanical structural connections, such as the docking of a ground jet bridge with an aircraft, use a non-contact connection. The jet bridge adjusts its height and telescopic length according to the position of the aircraft door opening. It is not connected to the aircraft and only realizes its transportation function and transportation channel through its own structure.

[0004] Aircraft fixed platform lock hook connection, patent CN114180093 installs a fixed platform near the cabin door in the aircraft cabin, and the boarding ladder is fixed through the lock slot of the fixed platform to connect with the aircraft;

[0005] The carrying device is fixedly connected. A rotatable special bracket is installed on the upper part of the boarding ladder shown in AU2014274618A1. One end of the bracket is connected to the boarding ladder through a rotating shaft, and the other end is limited to the upper limit of the random boarding ladder of the aircraft through a keyway; the special connecting bracket of the boarding ladder shown in US6854147B1 is connected to the boarding ladder through a rotating shaft, and the other side of the connecting bracket is connected to the door frame; CN115783228A designs a bracket that is locked by a guide groove on the aircraft door frame, and the bracket is fixedly connected to the boarding ladder by a threaded fastener.

[0006] The first technology is only applicable to scenarios where the airport has a jet bridge; in the second technology, the bracket is part of the aircraft fixed platform and is a dedicated bracket that can only be used on a specific fixed platform on the aircraft. In the third technology, the bracket is part of the carrier and is a dedicated bracket that is only adapted to the carrier. Both the second and third technologies are dedicated structures, and the connection and disassembly of the carrier and the aircraft door bracket cannot be quickly realized. For this reason, we propose a quick-release structure for connecting the carrier and the aircraft door bracket. Utility Model Content

[0007] The purpose of the utility model is to provide a quick-release structure for connecting a carrier device to an aircraft door bracket, which can conveniently, quickly and safely connect and disconnect the carrier device from the aircraft door bracket, thereby realizing the connection and disconnection of the carrier device from the aircraft, and the structure involved can be disassembled and replaced to adapt to various forms of carrier structures.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-release structure for connecting a carrier to an aircraft cabin door bracket, comprising an aircraft door frame, an aircraft floor, a support shaft and a mounting seat, wherein a support shaft is provided on the inner side of the aircraft door frame, a carrier is provided on the outer side of the support shaft, the mounting seat and the carrier are fixedly connected, the mounting seat comprises a mounting hole and a guide groove, a connecting lock hook is provided at one end of the mounting seat, the connecting lock hook comprises a lock hook action surface, an unlocking paddle, a limiting groove and a guide surface, a lock hook rotating shaft is provided inside the connecting lock hook and the mounting seat, the connecting lock hook is rotatably connected to the mounting seat through the lock hook rotating shaft, the connecting lock hook is movably connected to the cabin door bracket, the support shaft is located inside the lock hook action surface, a locking paddle rotating shaft is provided at one end of the guide groove, the locking paddle rotating shaft is rotatably connected inside the mounting seat, a guide pin is provided inside the guide groove, the guide pin is rotatably connected inside the guide groove, and a locking paddle is provided at one end of the guide pin.

[0009] Preferably, a first torsion spring is provided on the outer side of the lock hook rotating shaft, and a second torsion spring is provided on the outer side of the locking paddle rotating shaft.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The connection method between the carrier and the aircraft bracket is a quick installation and quick release connection, and no additional tools are required; the type of carrier is not limited, and a fixed connection with the carrier is performed through a variety of mounting seat interfaces. The present application can conveniently, quickly, and safely connect and disconnect the carrier from the aircraft door bracket, thereby realizing the connection and disconnection of the carrier from the aircraft. The structure involved can be disassembled and replaced, and is adaptable to various forms of carrier structures, with strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the mounting seat structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the support shaft and connecting lock hook structure of the utility model.

[0015] In the figure: 101, aircraft door frame; 102, aircraft floor; 103, support shaft; 104, carrier; 201, mounting seat; 201B, mounting hole; 201C, guide groove; 202, connecting lock hook; 202B, lock hook action surface; 202C, unlocking paddle; 202D, limiting groove; 202E, guide surface; 203, lock hook shaft; 204, locking paddle; 205, guide pin; 206, locking paddle shaft; 207, torsion spring one; 208, torsion spring two. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution for a quick-release structure for connecting a carrier device to an aircraft cabin door bracket, comprising an aircraft door frame 101, an aircraft floor 102, a support shaft 103 and a mounting seat 201, wherein the aircraft door frame 101 is provided with a support shaft 103 on the inner side, a carrier device 104 is provided on the outer side of the support shaft 103, the mounting seat 201 and the carrier device 104 are fixedly connected, the mounting seat 201 comprises a mounting hole 201B and a guide groove 201C, one end of the mounting seat 201 is provided with a connecting lock hook 202, and the connecting lock hook 202 comprises a lock hook action surface 202B, an unlocking paddle 202C, a limiting groove 202D and The guide surface 202E, the connection lock hook 202 and the mounting seat 201 are provided with a lock hook shaft 203, the connection lock hook 202 and the mounting seat 201 are rotatably connected through the lock hook shaft 203, the connection lock hook 202 is movably connected to the hatch bracket, the support shaft 103 is located inside the lock hook action surface 202B, one end of the guide groove 201C is provided with a locking paddle shaft 206, the locking paddle shaft 206 is rotatably connected to the mounting seat 201, the guide groove 201C is provided with a guide pin 205, the guide pin 205 is rotatably connected to the guide groove 201C, and one end of the guide pin 205 is provided with a locking paddle 204

[0018] Specifically, a torsion spring 1 207 is disposed on the outer side of the lock hook shaft 203 , and a torsion spring 208 is disposed on the outer side of the locking paddle shaft 206 .

[0019] In this embodiment, the mounting hole 201B is connected to the carrier 104 by fixing bolts, a locking hook shaft 203 is provided on the mounting seat 201, a torsion spring 207 is installed around the locking hook shaft 203 between the connecting locking hook 202 and the mounting seat 201, and the connecting locking hook 202 has an upward tendency when the torsion spring 207 is used, that is, a locking tendency.

[0020] When the mounting seat 201 needs to be connected to the support shaft 103, the connecting lock hook 202 is first kept in the open state, and the lock hook action surface 202B is pulled upward to overcome the spring force of the torsion spring 207 and rotate clockwise. At this time, the guide pin 205 contacts the guide surface 202E. When the connecting lock hook 202 rotates, the guide pin 205 moves in the guide groove 201C along with the guide surface 202E. The guide pin 205 is fixedly connected to the locking paddle 204 by bolts, and the locking paddle 204 can be fixed around the mounting seat 201. The locking paddle shaft 206 on the upper part rotates, and a torsion spring 208 is provided between the locking paddle 204 and the mounting seat 201, so that the locking paddle 204 tends to rotate clockwise. When the connecting lock hook 202 rotates to a certain angle, the guide pin 205 enters the limiting groove 202D. At this time, the unlocking paddle 202C is released. Although the connecting lock hook 202 tends to rotate counterclockwise under the action of the torsion spring 207, the connecting lock hook 202 remains in the open state because the guide pin 205 is stuck in the limiting groove 202D.

[0021] Adjust the position of the mounting seats 201 on both sides so that the mounting seats 201 are close to the support shaft 103, push the locking paddle 204 upward, the locking paddle 204 rotates counterclockwise around the locking paddle shaft 206, the guide pin 205 disengages from the limiting groove 202D, and the connecting lock hook 202 rotates under the action of the torsion spring 207, so that the locking hook action surface 202B contacts the surface of the support shaft 103, and the connecting lock hook 202 hooks the support shaft 103 to form a locking connection.

[0022] When it is necessary to release the connection between the mounting seat 201 and the support shaft 103, rotate the connecting lock hook 202 clockwise in the above manner until the guide pin 205 is inserted into the limiting groove 202D, so that the connecting lock hooks 202 on both sides remain in the open state. At this time, lift the mounting seats 201 on both sides and the carrier 104 thereon to release the connection.

[0023] It is connected to the carrier 104 through the mounting seat 201, and connection holes of various sizes and specifications are provided on the mounting hole 201B to adapt to different carriers 104. The connection method between the carrier 104 and the aircraft bracket is quick installation and quick release connection, and no additional tools are required; there is no restriction on the type of carrier 104, and a variety of mounting seat 201 interfaces are used to perform fixed connection with the carrier 104. The present application can conveniently, quickly, and safely connect and disconnect the carrier 104 from the aircraft door bracket, thereby realizing the connection and disconnection between the carrier 104 and the aircraft. The structure involved can be disassembled and replaced, and it is adapted to various forms of carrier structures, and has strong adaptability.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-release structure for connecting a carrier device to an aircraft door bracket, comprising an aircraft door frame (101), an aircraft floor (102), a support shaft (103) and a mounting seat (201), characterized in that: A support shaft (103) is provided on the inner side of the aircraft door frame (101), a carrier (104) is provided on the outer side of the support shaft (103), the mounting seat (201) and the carrier (104) are fixedly connected, the mounting seat (201) comprises a mounting hole (201B) and a guide groove (201C), a connecting lock hook (202) is provided on one end of the mounting seat (201), the connecting lock hook (202) comprises a lock hook action surface (202B), an unlocking paddle (202C), a limiting groove (202D) and a guide surface (202E), a lock hook rotating shaft (2020) is provided inside the connecting lock hook (202) and the mounting seat (201), and a locking hook rotating shaft (2020) is provided inside the connecting lock hook (202) and the mounting seat (201). 3), the connecting lock hook (202) is rotatably connected to the mounting seat (201) via a lock hook rotating shaft (203), the connecting lock hook (202) is movably connected to the hatch bracket, the support shaft (103) is located inside the lock hook action surface (202B), a locking paddle rotating shaft (206) is provided at one end of the guide groove (201C), the locking paddle rotating shaft (206) is rotatably connected inside the mounting seat (201), a guide pin (205) is provided inside the guide groove (201C), the guide pin (205) is rotatably connected inside the guide groove (201C), and a locking paddle (204) is provided at one end of the guide pin (205).

2. The quick-release structure for connecting a carrier device to an aircraft door bracket according to claim 1, characterized in that: A first torsion spring (207) is provided on the outer side of the lock hook rotating shaft (203), and a second torsion spring (208) is provided on the outer side of the locking paddle rotating shaft (206).

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