Airborne auxiliary antenna structure

Abstract

The utility model is applicable to the field of airborne antennas, and provides an airborne auxiliary antenna structure, which comprises a bottom plate and an outer shell mounted at the top of the bottom plate, a cavity is arranged in the outer shell, a mounting table is mounted at the top of the bottom plate, and a fixing seat is mounted at the top of the mounting table. A plurality of connecting tables are annularly arranged on the inner side face of the channel in the fixing base at the same height, connecting columns are fixedly connected to the ends, away from the inner side face of the channel, of the connecting tables, and screw holes are formed in the tops of the connecting columns; the top of the connecting column is connected with a circuit board through a bolt; a top cover is mounted at the top of the fixed seat; the top of the top cover abuts against the inner top face of the outer shell. Therefore, the device can be modularly designed, the assembly process is simplified, and the maintenance convenience is improved; meanwhile, the installation precision is ensured, and the shock resistance of the whole structure, the environment sealing performance and the reliability of an antenna system are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model is suitable for airborne antenna field, provide a kind of airborne auxiliary antenna structure. BACKGROUND

[0002] Airborne auxiliary antenna is the important communication equipment component installed on aircraft, for enhancing the signal receiving and transmitting capability of aircraft in flight process, ensure that the communication between aircraft and ground control station or other aircraft is unimpeded.

[0003] In prior art, airborne auxiliary antenna usually adopts integrated design, that is, antenna element, signal processing circuit and connecting interface are integrated in a compact shell. Although this design guarantees the performance and stability of antenna to some extent.

[0004] However, the current airborne auxiliary antenna has many inconveniences in production and installation. Due to the relatively complex connection and fixing mode between components, it often leads to heavy overall structure of antenna, and is not easy to maintain and upgrade. In addition, the airborne auxiliary antenna of prior art needs to accurately align and fix multiple components, and the installation process is cumbersome and time-consuming, which not only increases the installation cost, but also affects the rapid deployment and application of antenna. UTILITY MODEL CONTENT

[0005] In view of the above defects, the purpose of the utility model is to provide an airborne auxiliary antenna structure, which aims to solve the problems raised in the background art. The device comprises a bottom plate and a shell body mounted on the top of the bottom plate. A cavity is provided inside the shell body. An installation table is mounted on the top of the bottom plate. A fixing seat is mounted on the top of the installation table. A plurality of connecting tables are arranged on the inner side of the channel of the fixing seat at the same height. A connecting column is fixedly connected to one end of the connecting table away from the inner side of the channel. A screw hole is provided at the top of the connecting column. A circuit board is connected to the top of the connecting column by bolts. A top cover is mounted on the top of the fixing seat. The top of the top cover abuts against the inner top surface of the shell body.

[0006] Further, the inside of the top cover is fixedly connected with a mounting sleeve. The top part of the mounting sleeve is fixedly connected to the inner side wall of the top cover by interference fit. The bottom of the mounting sleeve is inserted and mounted with the fixing seat.

[0007] Further, a plurality of positioning protrusions are uniformly arranged on the side edge of the circuit board. A helical groove is arranged on the mounting sleeve. When the top cover is installed, the positioning protrusions can slide along the helical groove. After the top cover is installed, the bottom of the top cover abuts against the top of the fixing seat, and the bottom of the mounting sleeve abuts against the top of the connecting table.

[0008] Further, the bottom of the bottom plate is fixedly connected with a signal interface, and the top of the signal interface is provided with electric wires connected with the circuit board.

[0009] Further, the top of the bottom plate is provided with a ring-shaped rubber ring groove, and the rubber ring groove is internally mounted with a rubber ring.

[0010] Further, the top of the top cover is fixedly connected with an abutting ring abutting against the inner top surface of the outer shell, and the abutting ring has softness.

[0011] Further, the bottom of the top cover is provided with a plurality of second notch portions, the top of the fixing seat is fixedly connected with a clamping inner ring, the clamping inner ring is provided with a first notch portion corresponding to the second notch portion, and the first notch portion corresponds to the positioning protrusion on the circuit board in one-to-one correspondence.

[0012] Further, the bottom of the top cover is provided with a clamping outer ring matched with the clamping inner ring.

[0013] Further, the bottom of the fixing seat is provided with a mounting portion, a plurality of through holes are arranged on the mounting portion, and connecting bolts are arranged in the through holes.

[0014] The utility model discloses a modular design, that is, through the split bolt connection of mounting table and fixing seat, cooperation detachable mounting structure of circuit board, significantly simplify the assembly process and promote the maintenance convenience, and the rotation guide mechanism of spiral groove and positioning protrusion ensures the installation precision, and cooperation sealing design of rubber ring groove and elastic support of abutting ring effectively improves the shock resistance and environmental sealing of overall structure, and the double locking design of clamping inner ring and clamping outer ring enhances the structural rigidity, and significantly improves the reliability of antenna system. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is device structure schematic diagram;

[0016] Figure 2 It is device bottom structure schematic diagram;

[0017] Figure 3 It is device internal structure schematic diagram;

[0018] Figure 4 It is device internal structure explosion map;

[0019] Figure 5 It is fixing seat structure schematic diagram;

[0020] Figure 6 It is circuit board structure schematic diagram;

[0021] In the figure: 01 - outer shell; 1 - bottom plate; 11 - signal interface; 12 - rubber ring groove; 2 - mounting table; 3 - fixing seat; 31 - mounting ring; 311 - connecting bolt; 32 - clamping inner ring; 321 - first notch part; 33 - connecting table; 34 - connecting column; 4 - top cover; 41 - abutting ring; 42 - second notch part; 5 - mounting sleeve; 51 - spiral groove; 6 - circuit board; 61 - positioning protrusion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0023] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] At the same time, in the description of the present application, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application will be further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0026] Reference Figures 1-6The utility model discloses a purpose at providing a kind of airborne auxiliary antenna structure, including bottom plate 1 and the shell body 01 of installation in the top of bottom plate 1, cavity is equipped in the inside of shell body 01, the bottom of bottom plate 1 is fixedly connected with signal interface 11.The top of bottom plate 1 is fixedly connected with installation platform 2, and the top of installation platform 2 is detachably connected with fixing seat 3 by bolt, and the inside of fixing seat 3 is equipped with through passageway, and the inside of passageway is located at the same height and is annularly equipped with a plurality of connecting tables 33, and the end of connecting table 33 away from the inside of passageway is fixedly connected with connecting column 34, and connecting column 34 is vertically upwards and the top of connecting column 34 is equipped with screw hole.The top of connecting column 34 is connected with circuit board 6 by bolt.This installation structure ensures the stable installation of antenna and the reliability of signal transmission, improves the durability and practicality of overall structure.When installing, installation platform 2, fixing seat 3 and circuit board 6 are sequentially installed, simplify the installation process of antenna, and it is convenient to maintain and upgrade.

[0027] The top of fixing seat 3 is fixedly connected with top cover 4;Specifically, the inside of top cover 4 is fixedly connected with mounting sleeve 5, and the top portion of mounting sleeve 5 is fixedly connected on the inside side wall of top cover 4 by interference fit;That is, the top of mounting sleeve 5 is fixedly connected with top cover 4, and the bottom of mounting sleeve 5 is insertedly installed with fixing seat 3.

[0028] Preferably, the circuit board 6 is a circular sheet structure, and the side edges of the circuit board 6 are uniformly provided with a plurality of positioning protrusions 61. The mounting sleeve 5 is provided with a helical groove 51 arranged in a helical manner. When installing the top cover 4, align the helical groove 51 on the mounting sleeve 5 with the positioning protrusions 61. While rotating the top cover 4, the positioning protrusions 61 slide along the helical groove 51. Gradually rotate the mounting sleeve 5 into the inside of the fixing seat 3. The mounting sleeve 5 and the inside of the fixing seat 3 have a certain friction force, which can preliminarily fix the mounting sleeve 5 in the inside of the fixing seat 3. After the top cover 4 is installed, the bottom of the top cover 4 abuts against the top of the fixing seat 3. At the same time, after the top cover 4 is installed in place, the bottom of the mounting sleeve 5 abuts against the top of the connecting table 33.

[0029] Preferably, the bottom of the bottom plate 1 is fixedly connected with the signal interface 11, and the top of the signal interface 11 is provided with an electric wire connected with the circuit board 6.

[0030] Preferably, the top of the bottom plate 1 is provided with a ring-shaped rubber ring groove 12, and a rubber ring is installed in the rubber ring groove 12. The bottom of the shell body 01 is provided with a mounting plate matched with the bottom plate 1, and the mounting plate is bolted with the bottom plate 1. When the mounting plate is installed on the bottom plate 1, the rubber ring plays a sealing role between the mounting plate and the bottom plate 1.

[0031] Preferably, the top of the top cover 4 is fixedly connected with an abutting ring 41, and the abutting ring 41 has a certain softness. After the shell body 01 and the bottom plate 1 are installed, the abutting ring 41 can abut against the inner top surface of the shell body 01, which can better fix the various components in the inside of the shell body 01.

[0032] Preferably, the bottom of the top cover 4 is provided with a plurality of second notched portions 42, the top of the fixing seat 3 is fixedly connected with a clamping inner ring 32, the clamping inner ring 32 is provided with a first notched portion 321 corresponding to the second notched portion 42, and the first notched portion 321 corresponds to the positioning protrusion 61 on the circuit board 6. When the circuit board 6 is installed, the positioning protrusion 61 on the outer side of the circuit board 6 is located at the position of the first notched portion 321, and the first notched portion 321 and the second notched portion 42 overlap after the top cover 4 is installed, and the positioning protrusion 61 is located at the position where the first notched portion 321 and the second notched portion 42 overlap.

[0033] Preferably, the bottom of the top cover 4 is provided with a clamping outer ring capable of being clamped outside the clamping inner ring 32, so as to realize the clamping connection of the fixing seat 3 and the top cover 4. The clamping design enhances the connection strength between the top cover 4 and the fixing seat 3, facilitates disassembly, and improves the maintenance convenience.

[0034] Preferably, the bottom of the fixing seat 3 is provided with a mounting portion, a plurality of through holes are arranged on the mounting portion, and a connecting bolt 311 is arranged inside the through hole; the fixing seat 3 is detachably connected with the mounting table 2 through the connecting bolt 311.

[0035] In summary, the antenna structure is based on the bottom plate 1, and is modularly assembled through the bolt connection of the mounting table 2 and the fixing seat 3. During installation, the circuit board 6 is first fixed in the channel of the fixing seat 3 through the screw hole at the top of the connecting column 34, and the side positioning protrusion 61 is aligned with the first notched portion 321 on the clamping inner ring 32 of the fixing seat 3. The top cover 4 is engaged with the positioning protrusion 61 through the spiral groove 51 at the bottom of the mounting sleeve 5, and the positioning protrusion 61 slides along the spiral groove 51 when the top cover 4 is rotated, so that the mounting sleeve 5 is gradually inserted into the inside of the fixing seat 3, until the bottom of the top cover 4 abuts against the top of the fixing seat 3, and the bottom of the mounting sleeve 5 abuts against the top of the connecting table 33. The outer shell 01 is sealingly connected with the bottom plate 1 through the bottom mounting plate and the rubber ring groove 12, and the internal components are fixed by being elastically pressed against the inner top surface of the outer shell 01 through the abutting ring 41. The signal interface 11 is conductive with the circuit board 6 through the internal wire, and the nested structure of the clamping outer ring and the clamping inner ring 32 further enhances the connection stability of the top cover 4 and the fixing seat 3.

[0036] Therefore, the device can be designed modularly, that is, through the split bolt connection of the mounting table 2 and the fixing seat 3, and cooperated with the detachable installation structure of the circuit board 6, the assembly process is significantly simplified and the maintenance convenience is improved; meanwhile, the rotation guide mechanism of the spiral groove 51 and the positioning protrusion 61 ensures the installation accuracy, cooperated with the sealing design of the rubber ring groove 12 and the elastic support of the abutting ring 41, the overall structure is effectively improved in the aspects of shock resistance and environmental sealing; the double locking design of the clamping inner ring 32 and the clamping outer ring enhances the structural rigidity, and significantly improves the reliability of the antenna system.

[0037] Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and modifications should all belong to the protection scope of the claims attached to the utility model.

Claims

1. An airborne auxiliary antenna structure, characterized by The utility model relates to a signal interface device, including bottom plate (1) and install the outer shell (01) on the top of bottom plate (1), the inside of outer shell (01) is equipped with cavity, the top of bottom plate (1) is installed with installation platform (2), the top of installation platform (2) is installed with fixed seat (3), the inside lane of fixed seat (3) is located with a number of connecting platform (33) in the same height ring, the one end of connecting platform (33) away from the inside lane is fixedly connected with connecting column (34), the top of connecting column (34) is equipped with screw hole, the top of connecting column (34) is connected with circuit board (6) through bolt, the top of fixed seat (3) is installed with top cover (4), and the top of top cover (4) is in contact with the inner top surface of outer shell (01).

2. The airborne auxiliary antenna structure of claim 1, wherein, The inside of top cover (4) is fixedly connected with mounting sleeve (5), and the top portion of mounting sleeve (5) is fixedly connected on the inside side wall of top cover (4) through interference fit, and the bottom of mounting sleeve (5) is insertedly installed with fixed seat (3).

3. The airborne auxiliary antenna structure of claim 2, wherein, The side of circuit board (6) is evenly provided with a plurality of positioning protrusions (61), and the mounting sleeve (5) is provided with a helical groove (51) arranged in a helical manner; when the top cover (4) is installed, the positioning protrusions (61) can slide along the helical groove (51); after the top cover (4) is installed, the bottom of the top cover (4) is in contact with the top of the fixed seat (3), and the bottom of the mounting sleeve (5) is in contact with the top of the connecting platform (33).

4. The airborne auxiliary antenna structure of claim 1, wherein, The bottom of the bottom plate (1) is fixedly connected with a signal interface (11), and the top of the signal interface (11) is provided with an electric wire connected with the circuit board (6).

5. The airborne auxiliary antenna structure of claim 1, wherein, The top of the bottom plate (1) is provided with a ring-shaped rubber ring groove (12), and the rubber ring groove (12) is internally provided with a rubber ring.

6. The airborne auxiliary antenna structure of claim 1, wherein, The top of the top cover (4) is fixedly connected with an abutting ring (41) in contact with the inner top surface of the outer shell (01), and the abutting ring (41) has softness.

7. The airborne auxiliary antenna structure of claim 3, wherein, The bottom of the top cover (4) is provided with a plurality of second notched portions (42), the top of the fixed seat (3) is fixedly connected with a clamping inner ring (32), the clamping inner ring (32) is provided with a first notched portion (321) corresponding to the second notched portion (42), and the first notched portion (321) corresponds to the positioning protrusion (61) on the circuit board (6).

8. The airborne auxiliary antenna structure of claim 7, wherein, The bottom of the top cover (4) is provided with a clamping outer ring matched with the clamping inner ring (32).

9. The airborne auxiliary antenna structure of claim 1, wherein, The bottom of the fixed seat (3) is provided with a mounting portion, a plurality of through holes are arranged on the mounting portion, and a connecting bolt (311) is arranged in the through hole.

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