Connecting mechanism of external antenna of unmanned aerial vehicle

Abstract

The invention discloses a connecting mechanism of an external antenna of an unmanned aerial vehicle, and particularly relates to the field of unmanned aerial vehicle antennas. Comprising a fixed base, the surface of the fixed base is connected with a protrusion with an annular section, and the outer side wall of the protrusion is provided with a first spring bolt clamping groove and a second spring bolt clamping groove; the antenna rectification base is located below the fixed base, and a cavity matched with the fixed base is formed in the antenna rectification base; the connecting piece is fixed on the inner side wall of the antenna rectification base, the connecting piece is provided with a fixed spring bolt matched with the first spring bolt clamping groove, and the fixed spring bolt is located in the first spring bolt clamping groove; the spring bolt shell is fixed to the inner side wall of the antenna rectification base, the spring bolt shell is provided with an opening, the spring bolt shell is sequentially provided with an elastic piece and a sliding spring bolt from inside to outside, and the sliding spring bolt is matched with the second spring bolt clamping groove; the push-pull mechanism penetrates through the sliding through hole to be connected with the sliding spring bolt, the sliding spring bolt is pulled to stretch out or retract along the opening of the spring bolt shell, and therefore quick disassembly is guaranteed.

Description

Technical Field

[0001] This application relates to the field of drone antennas, and more particularly to a connection mechanism for an external antenna of a drone. Background Technology

[0002] Unmanned aerial vehicles (UAVs) are widely used in many key fields such as geographic surveying, agricultural and forestry monitoring, and power line inspection. External antennas, acting as a "bridge" connecting UAVs and ground control stations, bear the crucial responsibility of ensuring stable and efficient information transmission between UAVs, onboard mission equipment, and ground control stations. Therefore, the stability and ease of installation and removal of external antennas are of paramount importance.

[0003] Traditional external antennas for drones are often connected to the drone body using screws. When the antenna needs to be inspected, replaced, or upgraded, specialized tools such as wrenches and screwdrivers must be used to complete the disassembly and assembly operation. The disassembly and assembly process is cumbersome and time-consuming. In field operations or emergency repairs, tools are often lost or damaged, and it is difficult to obtain tools, which seriously affects the efficiency of drone use and the timeliness of maintenance. Summary of the Invention

[0004] The main purpose of this application is to provide a connection mechanism for an external antenna of a drone, which aims to solve the problem of disassembly difficulties in the existing connection methods between drones and external antennas.

[0005] To achieve the above objectives, this application provides a connection mechanism for an external antenna of a UAV, comprising: a fixed base, on the surface of which is a protrusion with an annular cross-section, the outer side wall of which is provided with a first locking tongue groove and a second locking tongue groove; an antenna rectifier base located below the fixed base, the interior of which forms a cavity adapted to the fixed base; a connector fixed to the inner side wall of the antenna rectifier base, the connector having a fixed locking tongue adapted to the first locking tongue groove, the fixed locking tongue being located within the first locking tongue groove; a locking tongue shell fixed to the inner side wall of the antenna rectifier base, the locking tongue shell having an opening, the locking tongue shell being provided with an elastic element and a sliding locking tongue in sequence from the inside to the outside, the sliding locking tongue being adapted to the second locking tongue groove; and a push-pull mechanism having a sliding through hole on the side wall of the locking tongue shell, the push-pull mechanism passing through the sliding through hole and connecting to the sliding locking tongue, the push-pull mechanism pulling the sliding locking tongue to extend or retract along the opening of the locking tongue shell, thereby achieving engagement and disengagement between the sliding locking tongue and the second locking tongue groove.

[0006] Optionally, the locking tongue includes a sleeve, one end of which is covered with an annular cover plate, which is fixed to the connector, and a sliding through hole is formed on the side wall of the sleeve.

[0007] Optionally, the connector includes a first connecting plate, on which a second connecting plate is vertically connected; the first connecting plate is fixed on the antenna rectifier base and located between the fixed base and the antenna rectifier base, and the second connecting plate is located between the antenna rectifier base and the protrusion; a locking tongue is connected to the side of the second connecting plate away from the first connecting plate.

[0008] Optionally, the push-pull mechanism includes a pull rod with a fixing pin vertically connected to it, the fixing pin passing through a sliding through hole and connected to a sliding latch.

[0009] Optionally, the antenna rectifier base is made of wood; the connecting mechanism also includes a metal reinforcing plate, which is fixed to the end face of the antenna rectifier base near the fixed base. The reinforcing plate has through holes that fit the cavity. The inner sidewall of the reinforcing plate is flush with the antenna rectifier base on the side of the fixed locking tongue. The first connecting plate is fixed on the reinforcing plate. The inner sidewall of the reinforcing plate protrudes from the antenna rectifier base on the side of the sliding locking tongue. The locking tongue shell is fixed on the reinforcing plate.

[0010] The optional antenna rectifier base has a teardrop-shaped cross-section.

[0011] To achieve the above objectives, this application also provides a signal transmission mechanism for a drone, comprising: an antenna; the aforementioned connection mechanism; wherein a fixed base is fixed to the feed end of the antenna; and a cable plug located within a protrusion, one end of which passes through the fixed base and connects to the antenna, and the other end of which connects to the drone.

[0012] Optionally, the antenna cross-sectional shape is elliptical.

[0013] Compared with the prior art, the beneficial effects of this application are as follows: The present invention discloses a connection mechanism for an external antenna of a drone, which includes a fixed base connected to both the antenna body and the antenna rectifier base. A first locking tongue slot and a second locking tongue slot on the protrusion engage with a fixed locking tongue and a sliding locking tongue, respectively, ensuring connection stability and enabling a detachable connection between the antenna and the drone. The fixed locking tongue makes an initial connection with the first locking tongue slot, and the second locking tongue slot and the sliding locking tongue provide further positioning, thus ensuring quick disassembly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the connection mechanism for an external antenna of a UAV according to this application; Figure 2 This is a schematic diagram illustrating the disassembly process of the connection mechanism for an external antenna of a drone according to this application; Figure 3 This is a schematic diagram of the signal transmission mechanism of a drone according to this application.

[0015] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0017] The first embodiment of the present invention provides a connection mechanism for an external antenna of a drone, such as... Figure 1-2 As shown, it includes: a fixed base 1, with an annular protrusion 2 connected to the surface of the fixed base 1, and a first locking tongue groove 3 and a second locking tongue groove 4 formed on the outer wall of the protrusion 2; an antenna rectifier base 5, located below the fixed base 1, with an internal cavity adapted to the fixed base 1; a connector 6, fixed to the inner wall of the antenna rectifier base 5, the connector 6 having a fixed locking tongue 7 adapted to the first locking tongue groove 3, the fixed locking tongue 7 being located within the first locking tongue groove 3; and a locking tongue shell 8, fixed to... On the inner wall of the antenna rectifier base 5, the latch shell 8 has an opening. From the inside out, the latch shell 8 is provided with an elastic element 9 and a sliding latch 10, which is adapted to the second latch groove 4. A push-pull mechanism is provided; a sliding through hole 11 is provided on the side wall of the latch shell 8. The push-pull mechanism passes through the sliding through hole 11 and connects to the sliding latch 10. The push-pull mechanism pulls the sliding latch 10, extending or retracting it along the opening of the latch shell 8, thus achieving engagement and disengagement between the sliding latch 10 and the second latch groove 4. The antenna rectifier base 5 has a teardrop-shaped cross-section. The elastic element 9 can be a spring.

[0018] In this embodiment, a fixed base 1 is provided, which is connected to the antenna body and the antenna rectifier base 5 respectively. The first locking tongue slot 3 and the second locking tongue slot 4 on the protrusion 2 are engaged with the fixed locking tongue 7 and the sliding locking tongue 10 respectively to ensure the stability of the connection and realize the detachable connection between the antenna and the UAV. The fixed locking tongue 7 is initially connected with the first locking tongue slot 3, and further positioning is achieved through the second locking tongue slot 4 and the sliding locking tongue 10, thereby ensuring quick disassembly.

[0019] For example, the first locking tongue slot 3 and the fixed locking tongue 7, the sliding locking tongue 10 and the second locking tongue slot 4 all adopt the dovetail groove design. The unique shape of the dovetail groove allows the locking tongue slot of the antenna fixing base 1 to be precisely aligned and fitted with the locking tongue. The violent vibration and airflow impact during flight are difficult to cause it to shift. The precise alignment and fitting of the two ensures the connection stability of the external antenna, prevents the antenna from loosening or falling off, and maintains stable signal transmission. In an exemplary embodiment, the locking tongue shell 8 includes a sleeve 81, one end of which is covered by an annular cover plate 82. The sleeve 81 is connected to the inner wall of the antenna rectifier base 5 via a connecting rod. A sliding through hole 11 is formed on the side wall of the sleeve 81. The sliding locking tongue 10 and the elastic element 9 are located inside the sleeve 81. The connecting member 6 includes a first connecting plate 61, with a second connecting plate 62 vertically connected to it. The first connecting plate 61 is fixed to the antenna rectifier base 5 and located between the fixed base 1 and the antenna rectifier base 5. The second connecting plate 62 is located between the antenna rectifier base 5 and the protrusion 2. The fixed locking tongue 7 is connected to the side of the second connecting plate 62 away from the first connecting plate 61. The push-pull mechanism includes a pull rod 12, with a fixing pin 13 vertically connected to it. The fixing pin 13 passes through the sliding through hole 11 and connects to the sliding locking tongue 10. For example, the pull rod 12 can be a self-locking pull ring, which can achieve locking and unlocking of the position.

[0020] In this embodiment, the gap between the fixed base 1 and the antenna rectifier base 5 is filled by the first connecting plate 61 and the second connecting plate 62 to ensure the stability of the engagement between the fixed locking tongue 7 and the first locking tongue slot 3; the sliding locking tongue 10 is circumferentially limited by the sleeve 81, and the necessary pre-tightening force is provided by the sliding locking tongue 10 to lock the sliding locking tongue 10 and prevent it from moving, ensuring that it does not loosen or shift in the installed state.

[0021] Furthermore, the antenna rectifier base 5 is made of wood; in order to enhance the connection strength between the antenna rectifier base 5 and other structures, a reinforcing component is pre-embedded on the connection end face of the antenna rectifier base 5. The reinforcing component can be a reinforcing plate, and the specific connection method is as follows.

[0022] The connecting mechanism also includes a metal reinforcing plate 1515, which is fixed on the end face of the antenna rectifier base 5 near the fixed base 1. The reinforcing plate 15 has through holes that are adapted to the cavity. The inner sidewall of the reinforcing plate 15 is flush with the inner sidewall of the antenna rectifier base 5 on the side of the fixed locking tongue 7. The first connecting plate 61 is fixed on the reinforcing plate 15. The inner sidewall of the reinforcing plate 15 protrudes from the antenna rectifier base 5 on the side of the sliding locking tongue 10. The locking tongue shell 8 is fixed on the reinforcing plate 15.

[0023] For example, the cross-sectional shape of the antenna rectifier base 5 is teardrop-shaped, which can reduce aerodynamic drag.

[0024] The method of using the connection mechanism for the external antenna of the UAV of the present invention is as follows: In use, the bottom of the antenna rectifier base 5 is completely attached and fixed to the drone shell, so that the fixed base 1 is located above the antenna rectifier base 5. Pull the lever 12 to move the sliding locking tongue 10 away from the second locking tongue slot 4 and lock the lever 12 to engage the fixed locking tongue 7 with the first locking tongue slot 3. Unlock the lever 12, and the sliding locking tongue 10 moves towards the second locking tongue slot 4 and engages under the action of the elastic element 9 to complete the connection. During disassembly, pull the lever 12 to the right. The lever 12 causes the sliding latch 10 to compress the elastic element 9. At this time, the elastic element 9 is compressed, and the sliding latch 10 retracts into the latch shell 8. The sliding latch 10 separates from the second latch groove 4. The fixed base 1 moves to the right, and the first latch groove 3 separates from the fixed latch 7. The fixed base 1 can be lifted upwards for quick disassembly.

[0025] A second embodiment of the present invention provides a signal transmission mechanism for a drone, such as... Figure 3 As shown, it includes: an antenna 100 and a connection mechanism; wherein, a fixed base 1 is fixed to the feed end of the antenna 100; a cable plug 14 is located inside the protrusion 2 and passes through the fixed base 1 to connect to the antenna 100.

[0026] For example, the cross-sectional shape of antenna 100 is elliptical, and the upper and lower surfaces are rounded for rectification. This can minimize flight aerodynamic drag, improve the aerodynamic performance of the UAV, and ensure the altitude while ensuring the installation and function of antenna 100.

[0027] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A connection mechanism for an external antenna of a drone, characterized in that, include: A fixed base, wherein a protrusion with an annular cross-section is connected to the surface of the fixed base, and a first locking tongue groove and a second locking tongue groove are provided on the outer side wall of the protrusion; The antenna rectifier base is located below the fixed base and has an internal cavity that is adapted to the fixed base; A connector is fixed to the inner wall of the antenna rectifier base. The connector has a fixed locking tongue that is adapted to the first locking tongue slot. The fixed locking tongue is located in the first locking tongue slot. A locking tongue shell is fixed on the inner wall of the antenna rectifier base. The locking tongue shell has an opening. From the inside to the outside, the locking tongue shell is provided with an elastic element and a sliding locking tongue. The sliding locking tongue is adapted to the second locking tongue slot. The push-pull mechanism has a sliding through hole on the side wall of the latch shell. The push-pull mechanism passes through the sliding through hole and connects to the sliding latch. The push-pull mechanism pulls the sliding latch, which extends or retracts along the opening of the latch shell, so as to engage and disengage with the sliding latch and the second latch groove.

2. The connection mechanism for the external antenna of a UAV according to claim 1, characterized in that, The locking tongue shell includes a sleeve, one end of which is covered with an annular cover plate, which is fixed to the connector, and a sliding through hole is formed on the side wall of the sleeve.

3. The connection mechanism for the external antenna of a UAV according to claim 1, characterized in that, The connector includes a first connecting plate, and a second connecting plate is perpendicularly connected to the first connecting plate. The first connecting plate is fixed on the antenna rectifier base and is located between the fixed base and the antenna rectifier base; the second connecting plate is located between the antenna rectifier base and the protrusion. The fixed locking tongue is connected to the side of the second connecting plate away from the first connecting plate.

4. The connection mechanism for the external antenna of a UAV according to claim 1, characterized in that, The push-pull mechanism includes a pull rod, on which a fixing pin is vertically connected. The fixing pin passes through a sliding through hole and is connected to a sliding latch.

5. The connection mechanism for the external antenna of a UAV according to claim 1, characterized in that, The antenna rectifier base is made of wood; The connecting mechanism also includes a metal reinforcing plate, which is fixed to the end face of the antenna rectifier base near the fixed base. The reinforcing plate has through holes that are adapted to the cavity. The inner sidewall of the reinforcing plate is flush with the antenna rectifier base on the side of the fixed locking tongue. The first connecting plate is fixed on the reinforcing plate. The inner sidewall of the reinforcing plate protrudes from the antenna rectifier base on the side of the sliding locking tongue. The locking tongue shell is fixed on the reinforcing plate.

6. The connection mechanism for the external antenna of a UAV according to claim 1, characterized in that, The cross-sectional shape of the antenna rectifier base is teardrop-shaped.

7. A signal transmission mechanism for an unmanned aerial vehicle (UAV), characterized in that, include: antenna; The connection mechanism according to any one of claims 1-6; wherein the fixed base is fixed to the feed end of the antenna; The cable plug, located inside the protrusion, has one end passing through the fixed base and connecting to the antenna, and the other end connecting to the drone.

8. The signal transmission mechanism of the UAV according to claim 7, characterized in that, The antenna has an elliptical cross-sectional shape.

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