Civil aircraft-oriented adjustable modular antenna mounting structure

Abstract

The invention discloses an adjustable modular antenna mounting structure for a civil aircraft, and relates to the technical field of antenna mounting, the adjustable modular antenna mounting structure comprises an antenna body and further comprises a mounting seat used for being detachably connected with a skin, a base used for being connected with the antenna body is arranged in the mounting seat, and the base is rotatably connected with the mounting seat through a movable shaft; the bottom of the mounting seat is also provided with an adjusting piece; the adjusting piece is used for adjusting the circumferential rotation amplitude of the antenna body around the movable shaft; a limiting piece is further arranged in the mounting base and used for limiting rotation of the movable shaft. The inclination angle of the civil aircraft antenna body can be adjusted by matching the adjusting part with the movable shaft, and the position of the antenna can be adjusted conveniently.

Description

Technical Field

[0001] This invention relates to the field of antenna installation technology, and more specifically to an adjustable modular antenna installation structure for civil aircraft. Background Technology

[0002] Civil aircraft refer to aircraft used for non-military purposes, mainly undertaking personnel and cargo transportation and general aviation tasks. Currently, antennas are widely installed on civil aircraft. The antennas installed on civil aircraft are usually on the surface of the aircraft and are in a protruding state. When the aircraft flies at high speed, according to the principles of aerodynamics, the antenna will bear a certain amount of drag. In order to prevent the antenna from bearing too much drag during the flight of civil aircraft, it is often necessary to tilt the antenna on the skin of civil aircraft to reduce the wind resistance on the antenna. In the existing technology, most civil aircraft antennas are welded to the skin of the aircraft. However, the welding method is not conducive to the later disassembly and maintenance of the antenna. At the same time, the welding method requires high installation precision. Once the antenna is installed in place, the tilt angle of the antenna cannot be adjusted. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art. The purpose is to provide an adjustable modular antenna mounting structure for civil aircraft. By using the set adjustment parts in conjunction with the movable shaft, the tilt angle of the antenna body can be adjusted, which facilitates the adjustment of the position of the civil aircraft antenna.

[0004] This invention is achieved through the following technical solution: An adjustable modular antenna mounting structure for civil aircraft includes an antenna body and a mounting base for detachable connection with the skin. The mounting base has a base for connecting to the antenna body. The base and the mounting base are rotatably connected via a movable shaft. The bottom of the mounting base also has an adjusting component for adjusting the circumferential rotation of the antenna body around the movable shaft. The mounting base also has a limiting component for limiting the rotation of the movable shaft.

[0005] Furthermore, the mounting base is provided with a groove, and the base is located within the groove; The bottom of the mounting base is provided with two through holes communicating with the groove. The adjusting component includes an adjusting rod and a sealing component. One end of the sealing component is detachably connected to an external air pump, and the other end of the sealing component is unidirectionally connected to the through hole. The outer diameter of the adjusting rod is the same as the inner diameter of the through hole, and the adjusting rod is located inside the through hole.

[0006] Furthermore, the sealing component includes a sleeve, a first elastic element, and a sealing block. The outer wall of the sleeve is connected to a through hole via threads. The sleeve has a first connecting hole and a second connecting hole that communicate with each other. The inner diameter of the first connecting hole is smaller than the inner diameter of the second connecting hole. The second connecting hole communicates with the through hole. One end of the first elastic element is connected to the inner wall of the second connecting hole, and the other end is connected to the sealing block. The first elastic element is used to push the sealing block to seal the first connecting hole.

[0007] Furthermore, the inner wall of the mounting base is provided with a cavity, the side wall of the groove is provided with a third connecting hole communicating with the cavity, the movable shaft is located in the third connecting hole, and a second elastic element is provided in the cavity; The top of the base is provided with a mounting slot for mounting the antenna body. The side wall of the base is provided with a fourth connecting hole. The side wall of the antenna body is also provided with a first mounting blind hole. The second elastic element is used to push the movable shaft through the fourth connecting hole and insert it into the first mounting blind hole.

[0008] Furthermore, the inner walls of the fourth connecting hole and the first mounting blind hole are also provided with limiting grooves, which are distributed circumferentially along the fourth connecting hole and the first mounting blind hole; The side wall of the movable shaft is also provided with a limiting protrusion, which is distributed along the axial direction of the movable shaft and is located in the limiting groove.

[0009] Furthermore, a movable ball is provided on the inner wall of the third connecting hole. The movable ball is embedded in the inner wall of the third connecting hole and can rotate around its own center. The limiting component includes several limiting rods and a first airbag. The outer wall of the movable shaft is provided with several second mounting blind holes in the circumferential direction. The limiting rods are located in the mounting blind holes. The side wall of the limiting rods is provided with a first annular groove. The first airbag is located in the first annular groove. The limiting rods can move radially along the movable shaft to between two adjacent movable balls. The first airbag can expand between two adjacent movable balls.

[0010] Furthermore, the mounting base is provided with a connecting cavity inside, and the bottom of the mounting base is provided with a fifth connecting hole communicating with the connecting cavity. The connecting cavity is provided with a third elastic element and a sealing disc. The third elastic element is used to push the sealing disc to seal the fifth connecting hole. The connecting cavity is connected to the cavity. The end of the movable shaft located in the cavity is also provided with a guide blind hole. The inner wall of the guide blind hole is provided with several guide holes that are connected to the second mounting blind hole. The limiting rod is also provided with an air passage. One end of the air passage is connected to the first airbag, and the other end is connected to the guide hole.

[0011] Furthermore, the skin is provided with mounting holes, the inner wall of the mounting holes is provided with limiting blind holes, the limiting blind holes are provided with a fourth elastic element and a locking rod, the side wall of the mounting base is provided with a first locking blind hole, and the fourth elastic element is used to push the locking rod into the first locking blind hole.

[0012] Furthermore, the mounting base is also provided with a placement cavity communicating with the first locking blind hole. The placement cavity is provided with an unlocking block. The outer diameter of the unlocking block is the same as the inner diameter of the placement cavity. The side wall of the unlocking block facing the first locking blind hole is provided with a protrusion. The mounting base is also provided with a second airbag communicating with the placement cavity in the groove. The adjusting rod is located on the horizontal plate on the side wall of the groove. The bottom of the horizontal plate is provided with a pressing block facing the second airbag. The sleeve is also provided with a pull rope connected to the adjusting rod.

[0013] Furthermore, it also includes a base cover, the top of which is provided with a strip groove, the antenna body is located in the strip groove, the bottom of which is provided with a connecting post, the two sides of which are provided with second locking blind holes, and the bottom of which is provided with an air hole, the air hole communicating with the second locking blind hole; The top of the mounting base is provided with a third locking blind hole with an inner diameter that is the same as the outer diameter of the connecting post. The side wall of the third locking blind hole is provided with a receiving groove. The receiving groove is provided with a fifth elastic element and a locking post. The third locking blind hole is connected to the second airbag through a channel.

[0014] Compared with the prior art, the present invention has the following advantages and beneficial effects: 1. This invention utilizes an external air pump connected to the sealing component to deliver pressurized gas into the through hole, thereby changing the height of the adjusting rod inside the through hole. The adjusting rod then drives the antenna body to rotate around the axis of the movable shaft, thus achieving adjustment of the tilt angle of the civil aircraft antenna body. This allows the antenna body to be pre-connected to the civil aircraft skin before installation, and the tilt angle of the antenna body can be adjusted based on the antenna's position, thereby avoiding errors in the installation process of the antenna body's tilt angle and improving the installation accuracy of the civil aircraft antenna. 2. This invention utilizes the air pressure delivered by an air pump to push a limiting rod into the space between two adjacent movable balls, and uses the first airbag on the limiting rod to expand between the two adjacent movable balls. The expanded first airbag can constrain the movable axis, thereby preventing the antenna body from shaking during the flight of civil aircraft. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 For the present invention Figure 1 A magnified structural diagram of section A in the middle; Figure 3 This is a schematic diagram of the sealing component of the present invention; Figure 4 This is a partial structural schematic diagram of the mounting base of the present invention; Figure 5 This is a schematic diagram of the connection structure between the mounting base and the base of the present invention; Figure 6 This is a schematic diagram of the connection structure between the movable shaft and the mounting base of the present invention; Figure 7 This is a schematic diagram of the structure of the limiting component of the present invention; Figure 8 This is a top view of the cover of the present invention.

[0016] The attached diagram shows the markings and corresponding component names: 1. Antenna body; 2. Skin; 3. Base cover; 4. Mounting base; 5. Base; 6. Adjusting rod; 7. Sealing component; 8. Second airbag; 9. Unlocking block; 10. Locking rod; 11. Fourth elastic component; 12. Fifth elastic component; 13. Locking post; 14. Connecting post; 15. Air hole; 16. Channel; 17. Limiting protrusion; 18. Movable shaft; 19. Movable ball; 20. Guide blind hole; 22. First airbag; 23. Air passage; 24. Limiting spring; 25. Strip groove; 26. Pressing block; 27. Sleeve; 28. Sealing block; 29. ​​First elastic component; 30. Limiting component; 31. Limiting rod; 32. Second elastic component. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention. Example

[0018] like Figures 1 to 8 As shown, the present invention includes an antenna body 1 and a mounting base 4 for detachable connection with a skin 2. The mounting base 4 has a base 5 for connection with the antenna body 1. The base 5 and the mounting base 4 are rotatably connected via a movable shaft 18. The bottom of the mounting base 4 is also provided with an adjusting member for adjusting the circumferential rotation of the antenna body 1 around the movable shaft 18. The mounting base 4 is also provided with a limiting member 30 for limiting the rotation of the movable shaft 18.

[0019] In existing technologies, the antenna body 1 is typically fixed to the aircraft skin 2 using bolts. This results in high installation precision for the antenna body 1 and prevents subsequent adjustment of the antenna's orientation. Therefore, this technical solution incorporates a mounting base 4 on the aircraft skin 2. The mounting base 4 is detachably connected to the skin 2 for easy maintenance. A base 5 for connecting the antenna body 1 is located within the mounting base 4, and the base 5 is rotatably connected to the mounting base 4 via a movable shaft 18. This allows the antenna body 1 to be hinged to the mounting base 4, enabling the antenna body 1 to be tilted at different angles on the skin 2. Specifically, an adjustment component is provided at the bottom of the mounting base 4. This adjustment component can move vertically to change its height. When the adjustment component moves upward, its upper end can push one end of the mounting base 5 upward, thereby allowing the base 5 to rotate around the axis of the movable axis 18 and adjusting the tilt angle of the antenna body 1. At the same time, in order to prevent the antenna body 1 from shaking during the flight of the civil aircraft, a limiting component is also provided in the mounting base 4 to restrict the rotation of the movable axis 18. The limiting component can constrain the free rotation of the movable axis 18, thereby stably fixing the antenna body 1 on the skin 2.

[0020] The mounting base 4 has a groove, and the base 5 is located in the groove; the bottom of the mounting base 4 has two through holes communicating with the groove; the adjusting component includes an adjusting rod 6 and a sealing component 7; one end of the sealing component 7 is detachably connected to an external air pump, and the other end of the sealing component 7 is unidirectionally connected to the through hole; the outer diameter of the adjusting rod 6 is the same as the inner diameter of the through hole, and the adjusting rod 6 is located in the through hole.

[0021] In this embodiment, to ensure that the base 5 can rotate on the mounting base 4, thereby adjusting the tilt angle of the antenna body 1, a groove for placing the mounting base 4 is provided at the bottom of the mounting base 4. Simultaneously, to enable adjustment of the tilt angle of the mounting base 4, the adjustable components include an adjusting rod 6 and a sealing component 7. When it is necessary to adjust the height of the adjusting rod 6 within the through hole, the air pump's air supply pipe is connected to the lower end of the sealing component 7 via a thread. The air pump delivers pressurized gas into the sealing component 7. Since the sealing component 7 is unidirectionally connected to the through hole, the pressurized gas delivered by the air pump to the sealing component 7 pushes the adjusting rod 6 within the through hole upwards. As the adjusting rod 6 moves upwards, it pushes the base 5 to rotate around the movable shaft 18, thereby achieving adjustment of the tilt angle of the antenna body 1.

[0022] In another embodiment, two adjustment members are provided, which are located on both sides of the bottom end of the base 5, and are used to adjust different tilt angles of the base 5.

[0023] The sealing component 7 includes a sleeve 27, a first elastic element 29, and a sealing block 28. The outer wall of the sleeve 27 is connected to a through hole via threads. The sleeve 27 has a first connecting hole and a second connecting hole that communicate with each other. The inner diameter of the first connecting hole is smaller than the inner diameter of the second connecting hole. The second connecting hole communicates with the through hole. One end of the first elastic element 29 is connected to the inner wall of the second connecting hole, and the other end is connected to the sealing block 28. The first elastic element 29 is used to push the sealing block 28 to seal the first connecting hole.

[0024] In this embodiment, to achieve unidirectional communication between the sealing component 7 and the through hole, the sealing component 7 includes a sleeve 27, a first elastic element 29, and a sealing block 28. To facilitate the installation and removal of the sealing component 7 from the through hole, the sleeve 27 is threaded to the through hole. The first elastic element 29 pushes the sealing block 28 within the sleeve 27 to seal the connection between the first and second connecting holes. The lower end of the sleeve 27 has an internal thread for threaded connection with the air pump's air supply pipe. Thus, when the height of the adjusting rod 6 within the through hole needs to be adjusted, an external air pump is connected to the sleeve 27, and the air pump supplies air to the sleeve. Pressurized gas is supplied inside the sleeve 27. After the pressurized gas enters the first connecting hole, it pushes the sealing block 28 to compress the first elastic element 29, thereby opening the first connecting hole. The air in the first connecting hole enters the second connecting hole and then enters the through hole, pushing the adjusting rod 6 in the through hole to move upward, thereby adjusting the tilt angle of the antenna body 1. After the tilt angle of the antenna body is adjusted, the air supply pipe of the air pump is disassembled from the sleeve 27. Under the action of the elastic force, the first elastic element 29 pushes the sealing block 28 to seal the connection between the first connecting hole and the second connecting hole, thereby fixing the position of the adjusting rod in the through hole.

[0025] The inner wall of the mounting base 4 is also provided with a cavity, and the side wall of the groove is provided with a third connecting hole communicating with the cavity. The movable shaft 18 is located in the third connecting hole, and the cavity is provided with a second elastic element 32. The top of the base 5 is provided with a mounting groove for mounting the antenna body 1. The side wall of the base 5 is provided with a fourth connecting hole, and the side wall of the antenna body 1 is also provided with a first mounting blind hole. The second elastic element 32 is used to push the movable shaft 18 through the fourth connecting hole and insert it into the first mounting blind hole.

[0026] In this embodiment, in order to achieve a detachable connection between the mounting base 4 and the base 5, a cavity is provided inside the mounting base 4, and a second elastic element 32 is provided inside the cavity. The second elastic element 32 is used to push the movable shaft 18 into the fourth connecting hole on the side wall of the base 5, thereby constraining the base 5 within the groove of the mounting base 4. At the same time, in order to achieve a detachable connection between the antenna body 1 and the base 5, a first mounting blind hole is provided on the side wall of the antenna body 1 located inside the base 5. The movable shaft 18 is inserted into the first mounting blind hole under the action of the second elastic element 32, thereby achieving the purpose of fixing the antenna body 1 inside the base 5.

[0027] The inner walls of the fourth connecting hole and the first mounting blind hole are also provided with limiting grooves, which are distributed circumferentially along the fourth connecting hole and the first mounting blind hole; the side wall of the movable shaft 18 is also provided with limiting protrusions 17, which are distributed axially along the movable shaft 18 and are located in the limiting grooves.

[0028] In this embodiment, in order to prevent the base 5 and the antenna body 1 from rotating freely on the movable shaft 18, a limiting protrusion 17 is provided on the outer surface of the movable shaft 18. The limiting protrusion 17 can constrain the base 5 and the antenna body 1 from rotating freely on the movable shaft 18, thereby ensuring that the base 5 and the movable shaft 18 can be stably connected together.

[0029] The inner wall of the third connecting hole is also provided with a movable ball 19, which is embedded in the inner wall of the third connecting hole and can rotate around its own center; the limiting member 30 includes a plurality of limiting rods 31 and a first airbag 22, and the outer wall of the movable shaft 18 is provided with a plurality of second mounting blind holes in the circumferential direction. The limiting rods 31 are located in the mounting blind holes, and the side wall of the limiting rods 31 is provided with a first annular groove. The first airbag 22 is located in the first annular groove. The limiting rods 31 can move radially along the movable shaft 18 to between two adjacent movable balls 19, and the first airbag 22 can inflate between two adjacent movable balls 19.

[0030] In this embodiment, to facilitate the rotation of the movable shaft 18 and reduce the frictional resistance between the movable shaft 18 and the third through hole, several movable balls 19 are also embedded in the third through hole. The outer wall of the movable shaft 18 contacts the movable balls 19. In this way, when the movable shaft 18 rotates in the third through hole, it can easily rotate under the action of the movable balls 19. After the tilt angle of the antenna body 1 is adjusted, the movable shaft 18 needs to be fixed in the third through hole. Therefore, several limiting members 30 are provided in the movable shaft 18. The limiting member 30 includes a limiting rod 31 and a first airbag 22. When it is necessary to restrict the rotation of the movable shaft 18, the limiting rod 31 is moved between two adjacent movable balls 19, and then the first airbag 22 is inflated between the two adjacent movable balls 19. After the first airbag 22 is fully inflated, it can fill the space between the two adjacent movable balls 19, thereby fixing the movable shaft 18 in the third through hole and preventing the movable shaft 18 from rotating freely.

[0031] The mounting base 4 is further provided with a connecting cavity inside. The bottom of the mounting base 4 is provided with a fifth connecting hole that communicates with the connecting cavity. The connecting cavity is provided with a third elastic element and a sealing disc. The third elastic element is used to push the sealing disc to seal the fifth connecting hole. The connecting cavity communicates with the cavity. The end of the movable shaft 18 located in the cavity is also provided with a guide blind hole 20. The inner wall of the guide blind hole 20 is provided with several guide holes that communicate with the second mounting blind hole. The limiting rod 31 is also provided with an air passage 23. One end of the air passage 23 communicates with the first airbag 22, and the other end communicates with the guide hole.

[0032] In this embodiment, in order to enable the radial movement of the limiting rod 31 on the movable shaft 18 and the expansion of the first airbag 22, a connecting cavity is also provided at the bottom of the mounting base 4. The upper end of the fifth connecting hole is connected to the connecting cavity, and the lower end is provided with an internal thread. After the tilt angle of the antenna body 1 is adjusted, the air pump's air supply pipe is disassembled from the sleeve 27, and then the air pump's air supply pipe is reconnected to the fifth connecting hole. The air pump delivers pressurized gas into the fifth connecting hole. After the pressurized gas enters the fifth connecting hole, it pushes the sealing disc to compress the third elastic element, so that the pressurized gas enters the cavity after passing through the connecting cavity. The pressurized gas that enters the cavity finally enters the guide blind hole 20 at the end of the movable shaft 18 and enters the guide blind hole 20. The pressurized gas in hole 20 acts on the end of the limiting rod 31 in the second mounting blind hole through the guide hole, forcing the limiting rod 31 in the second mounting blind hole to extend between the two adjacent movable balls 19. After the limiting rod 31 is fully extended, the pressurized gas introduced into the guide hole will enter the first airbag 22, forcing the first airbag 22 to expand between the two adjacent movable balls 19. The expanded first airbag 22 can constrain the movable shaft 18, preventing the movable shaft 18 from rotating freely in the third through hole. After the movable shaft 18 is fixed, the air pump's air supply pipe is disconnected from the fifth connecting hole. Under the action of the third elastic element, the sealing disc is pushed to seal the fifth connecting hole, ensuring that the first airbag 22 is in an inflated state.

[0033] When it is necessary to readjust the tilt angle of the antenna body 1, a disassembly tool, such as a screwdriver, is inserted into the fifth connecting hole to push the movable plate to compress the third elastic element, thereby opening the third connecting hole and releasing the gas introduced into the first airbag 22. The inner wall of the mounting blind hole is provided with a second annular groove, and a limiting spring 24 is sleeved on the limiting rod 31 in the second annular groove. The limiting spring 24 can pull the limiting rod 31 back into the mounting blind hole.

[0034] In another embodiment, in order to ensure that the limiting rod 31 can be inserted between two adjacent movable balls 19 when the movable shaft 18 is rotated to any position, the distance between two adjacent movable balls 19 is greater than the distance between two adjacent limiting rods 31, and the distance between two adjacent limiting rods 31 is greater than the diameter of the movable ball 19.

[0035] The skin 2 is provided with a mounting hole, and the inner wall of the mounting hole is provided with a limiting blind hole. The limiting blind hole is provided with a fourth elastic element 11 and a locking rod 10. The side wall of the mounting base 4 is provided with a first locking blind hole. The fourth elastic element 11 is used to push the locking rod 10 into the first locking blind hole.

[0036] In this embodiment, in order to enable quick installation and removal between the mounting base 4 and the skin 2, a limiting blind hole is provided on the inner wall of the mounting hole of the skin 2. When the mounting base 4 is inserted into the mounting hole of the skin 2, the locking rod 10 is inserted into the first locking blind hole under the action of the fourth elastic member 11, thereby realizing quick installation between the mounting base 4 and the skin 2.

[0037] The mounting base 4 is also provided with a placement cavity communicating with the first locking blind hole. The placement cavity is provided with an unlocking block 9. The outer diameter of the unlocking block 9 is the same as the inner diameter of the placement cavity. The side wall of the unlocking block 9 facing the first locking blind hole is provided with a protrusion. The groove of the mounting base 4 is also provided with a second airbag 8 communicating with the placement cavity. The adjusting rod 6 is located on a horizontal plate on the side wall of the groove. The bottom of the horizontal plate is provided with a pressing block 26 facing the second airbag 8. The sleeve 27 is also provided with a pull rope connected to the adjusting rod 6.

[0038] In this embodiment, in order to unlock the locking rod 10 and facilitate the quick removal of the mounting base 4 from the skin 2, a second airbag 9 is also provided in the groove. At the same time, a pressing block 26 for squeezing the second airbag 8 is provided on the side wall of the adjusting rod 6. When it is necessary to remove the mounting base 4 from the skin 2, the sleeve 27 is removed from the through hole, and the adjusting rod 6 is pulled downward by the pull rope. As the adjusting rod 6 moves downward, it squeezes the second airbag 8 through the pressing block 26, forcing the air in the second airbag 8 to enter the placement cavity, pushing the unlocking block 9 in the placement cavity to move towards the locking rod 10. Finally, the locking rod 10 is removed from the first locking blind hole by the protrusion, thereby realizing the quick removal between the mounting base 4 and the skin 2.

[0039] In another embodiment, the end of the locking rod 10 is provided with a bevel. When the mounting seat 4 is inserted into the mounting hole of the skin 2, the side wall of the mounting seat 4 acts on the bevel of the locking rod 10, so that the locking rod 10 can retract into the limiting blind hole, so that the locking rod 10 can be smoothly inserted into the first locking blind hole.

[0040] It also includes a base cover 3, the top of which is provided with a strip groove 25, the antenna body 1 is located in the strip groove 25, the bottom of which is provided with a connecting post 14, the two sides of which are provided with second locking blind holes, the bottom of which is provided with an air hole 15, which communicates with the second locking blind holes; the top of the mounting base 4 is provided with a third locking blind hole with an inner diameter consistent with the outer diameter of the connecting post 14, the side wall of which is provided with a receiving groove, the receiving groove is provided with a fifth elastic element 12 and a locking post 13, and the third locking blind hole communicates with the second airbag 8 through a channel 16.

[0041] In this embodiment, to prevent the groove of the mounting base 4 from being exposed, a cover 3 is also provided. In use, the cover 3 is fitted onto the antenna body 1 using the slot 25. The slot 25 ensures that the antenna body 1 has room to move on the cover 3, allowing adjustment of the antenna body 1's tilt angle. The connecting post 14 at the bottom of the cover 3 is inserted into the third locking blind hole at the top of the mounting base 4. Under the action of the fifth elastic member 12, the locking post 13 is inserted into the second locking blind hole on the side wall of the connecting post 14, fixing the connecting post 14 to the third... The seat cover 3 is securely fixed to the mounting base 4 by locking the blind hole. When the seat cover 3 needs to be removed from the mounting base 4, the pressure block 26 squeezes the second airbag 8. Part of the air in the second airbag 8 enters the placement cavity, and the other part of the air enters the air hole 15 through the channel 16. This causes the air generated by the compression of the second airbag 8 to enter the second locking blind hole, pushing the locking pin 13 in the second locking blind hole back, thereby removing the constraint of the locking pin 13 on the connecting pin 14, making it easy to quickly remove the seat cover 3 from the mounting base 4.

[0042] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An adjustable modular antenna mounting structure for civil aircraft, comprising an antenna body (1), characterized in that, It also includes a mounting base (4) for detachable connection with the skin (2), the mounting base (4) having a base (5) for connection with the antenna body (1), the base (5) and the mounting base (4) being rotatably connected by a movable shaft (18), the bottom of the mounting base (4) also having an adjusting member for adjusting the circumferential rotation of the antenna body (1) around the movable shaft (18); the mounting base (4) also having a limiting member (30) for limiting the rotation of the movable shaft (18).

2. The adjustable modular antenna mounting structure for civil aircraft according to claim 1, characterized in that, The mounting base (4) is provided with a groove, and the base (5) is located in the groove; The bottom of the mounting base (4) is provided with two through holes communicating with the groove. The adjusting component includes an adjusting rod (6) and a sealing component (7). One end of the sealing component (7) is detachably connected to an external air pump, and the other end of the sealing component (7) is unidirectionally connected to the through hole. The outer diameter of the adjusting rod (6) is the same as the inner diameter of the through hole, and the adjusting rod (6) is located inside the through hole.

3. The adjustable modular antenna mounting structure for civil aircraft according to claim 2, characterized in that, The sealing component (7) includes a sleeve (27), a first elastic element (29), and a sealing block (28). The outer wall of the sleeve (27) is connected to the through hole by a thread. The sleeve (27) is provided with a first connecting hole and a second connecting hole that are interconnected. The inner diameter of the first connecting hole is smaller than the inner diameter of the second connecting hole. The second connecting hole is connected to the through hole. One end of the first elastic element (29) is connected to the inner wall of the second connecting hole, and the other end is connected to the sealing block (28). The first elastic element (29) is used to push the sealing block (28) to seal the first connecting hole.

4. The adjustable modular antenna mounting structure for civil aircraft according to claim 2, characterized in that, The inner wall of the mounting base (4) is also provided with a cavity, and the side wall of the groove is provided with a third connecting hole communicating with the cavity. The movable shaft (18) is located in the third connecting hole, and the cavity is provided with a second elastic element (32). The top of the base (5) is provided with a mounting groove for mounting the antenna body (1). The side wall of the base (5) is provided with a fourth connecting hole. The side wall of the antenna body (1) is also provided with a first mounting blind hole. The second elastic element (32) is used to push the movable shaft (18) through the fourth connecting hole and insert it into the first mounting blind hole.

5. The adjustable modular antenna mounting structure for civil aircraft according to claim 4, characterized in that, The inner walls of the fourth connecting hole and the first mounting blind hole are also provided with limiting grooves, which are distributed circumferentially along the fourth connecting hole and the first mounting blind hole. The side wall of the movable shaft (18) is also provided with a limiting protrusion (17), the limiting protrusion (17) is distributed along the axial direction of the movable shaft (18), and the limiting protrusion (17) is located in the limiting groove.

6. The adjustable modular antenna mounting structure for civil aircraft according to claim 4, characterized in that, The inner wall of the third connecting hole is also provided with a movable ball (19), which is embedded in the inner wall of the third connecting hole and can rotate around its own center. The limiting member (30) includes several limiting rods (31) and a first airbag (22). The outer wall of the movable shaft (18) is provided with several second mounting blind holes in the circumferential direction. The limiting rods (31) are located in the mounting blind holes. The side wall of the limiting rods (31) is provided with a first annular groove. The first airbag (22) is located in the first annular groove. The limiting rods (31) can move radially along the movable shaft (18) to between two adjacent movable balls (19). The first airbag (22) can expand between two adjacent movable balls (19).

7. The adjustable modular antenna mounting structure for civil aircraft according to claim 6, characterized in that, The mounting base (4) is also provided with a connecting cavity inside. The bottom of the mounting base (4) is provided with a fifth connecting hole that communicates with the connecting cavity. The connecting cavity is provided with a third elastic element and a sealing disc. The third elastic element is used to push the sealing disc to seal the fifth connecting hole. The connecting cavity is connected to the cavity. The end of the movable shaft (18) located in the cavity is also provided with a guide blind hole (20). The inner wall of the guide blind hole (20) is provided with several guide holes that are connected to the second mounting blind hole. The limiting rod (31) is also provided with an air passage (23). One end of the air passage (23) is connected to the first airbag (22), and the other end is connected to the guide hole.

8. An adjustable modular antenna mounting structure for civil aircraft according to claim 3, characterized in that, The skin (2) is provided with a mounting hole, and the inner wall of the mounting hole is provided with a limiting blind hole. The limiting blind hole is provided with a fourth elastic element (11) and a locking rod (10). The side wall of the mounting base (4) is provided with a first locking blind hole. The fourth elastic element (11) is used to push the locking rod (10) into the first locking blind hole.

9. An adjustable modular antenna mounting structure for civil aircraft according to claim 8, characterized in that, The mounting base (4) is also provided with a placement cavity that communicates with the first locking blind hole. The placement cavity is provided with an unlocking block (9). The outer diameter of the unlocking block (9) is consistent with the inner diameter of the placement cavity. The side wall of the unlocking block (9) facing the first locking blind hole is provided with a protrusion. The mounting base (4) is also provided with a second airbag (8) communicating with the placement cavity in the groove. The adjusting rod (6) is located on the horizontal plate on the side wall of the groove. The bottom of the horizontal plate is provided with a pressing block (26) facing the second airbag (8). The sleeve (27) is also provided with a pull rope connected to the adjusting rod (6).

10. An adjustable modular antenna mounting structure for civil aircraft according to claim 9, characterized in that, It also includes a base cover (3), the top of which is provided with a strip groove (25), the antenna body (1) is located in the strip groove (25), the bottom of which is provided with a connecting post (14), the two sides of which are provided with second locking blind holes, the bottom of which is provided with an air hole (15), and the air hole (15) is connected to the second locking blind hole; The top of the mounting base (4) is provided with a third locking blind hole whose inner diameter is the same as the outer diameter of the connecting column (14). The side wall of the third locking blind hole is provided with a receiving groove. The receiving groove is provided with a fifth elastic element (12) and a locking column (13). The third locking blind hole is connected to the second airbag (8) through a channel (16).

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