CN220843005U - Fixed subassembly and unmanned aerial vehicle are transferred to electricity - Google Patents

Abstract

The utility model discloses an electric adjustment fixing assembly and an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles. The electric adjusting fixing component comprises a horn, a fixing seat and an electronic speed regulator. The fixing base comprises a first shell and a second shell, the first shell and the second shell are detachably connected, the first shell and the second shell are sleeved outside the horn together, the electronic speed regulator is arranged on one side, far away from the second shell, of the first shell and is detachably connected with the first shell, and the electronic speed regulator is used for being electrically connected with the rotor motor. Compared with the prior art, the electric adjusting fixing assembly provided by the utility model has the advantages that the first shell and the second shell which are sleeved outside the horn together and the electronic speed regulator which is detachably connected with the first shell are adopted, so that the dismounting structure of the electronic speed regulator can be simplified, the dismounting efficiency is improved, the maintenance is convenient, the convenience and the practicability are realized, and the user experience is good.

Description

Fixed subassembly and unmanned aerial vehicle are transferred to electricity

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an electrically adjustable fixing assembly and an unmanned aerial vehicle.

Background

At present, along with the increasing of living standard, unmanned aerial vehicle has walked gradually and has gone into each business, in unmanned aerial vehicle, and electronic governor and rotor motor are all installed on unmanned aerial vehicle's horn, utilize electronic governor to adjust the rotational speed of rotor motor to control unmanned aerial vehicle's flight state. But the mounting structure of present electronic governor is comparatively complicated, and the dismouting process is comparatively difficult, and dismouting inefficiency is inconvenient for maintain, and user experience is poor.

Therefore, it is important to design and manufacture an electrically adjustable fixing assembly with high disassembly and assembly efficiency and an unmanned aerial vehicle, especially in unmanned aerial vehicle production.

Disclosure of utility model

The utility model aims to provide an electric adjusting fixing assembly, which can simplify the dismounting structure of an electronic speed regulator, improve the dismounting efficiency, facilitate maintenance, and is convenient and practical, and good in user experience.

The utility model further aims to provide the unmanned aerial vehicle, which can simplify the dismounting structure of the electronic speed regulator, improve the dismounting efficiency, facilitate maintenance, be convenient and practical and have good user experience.

The utility model is realized by adopting the following technical scheme.

The utility model provides a fixed subassembly is transferred to electricity, includes horn, fixing base and electronic governor, and the fixing base includes first casing and second casing, and first casing and second casing can dismantle the connection, and the outer horn is located to common cover, and electronic governor sets up in one side that the second casing was kept away from to first casing, and can dismantle with first casing to be connected, and electronic governor is used for being connected with rotor motor electricity.

Optionally, the electronic speed regulator is provided with a positioning table in an extending manner, the positioning table is provided with a threaded hole, the first shell is provided with a through hole, and the threaded hole is used for being in threaded fit with a screw penetrating through the through hole. The relative position of the positioning table and the first shell is fixed, so that the relative position of the electronic speed regulator and the first shell is fixed, and the electronic speed regulator is prevented from being separated from the first shell.

Optionally, the first casing includes end to end's first lateral wall, second lateral wall, third lateral wall and fourth lateral wall, and first lateral wall, second lateral wall, third lateral wall and fourth lateral wall enclose into the holding cavity jointly, and electronic governor supports with first lateral wall, second lateral wall, third lateral wall and fourth lateral wall simultaneously, and the part stretches into the holding cavity, and the through-hole is seted up on first lateral wall and the third lateral wall. The first side wall, the second side wall, the third side wall and the fourth side wall act together to support and limit the electronic speed regulator, and the electronic speed regulator is prevented from loosening.

Optionally, the first side wall is provided with a first ventilation opening, the third side wall is provided with a second ventilation opening, and the position of the first ventilation opening corresponds to the position of the second ventilation opening and is communicated with the accommodating cavity. The first ventilation opening and the second ventilation opening are both used for air to blow through, so that air flow can take away heat generated during the operation of the electronic speed regulator, the electronic speed regulator is subjected to heat dissipation and temperature reduction, and the operation stability of the electronic speed regulator is ensured.

Optionally, the number of the positioning tables and the number of the through holes are multiple, each positioning table is provided with a threaded hole, the plurality of through holes are divided into two groups, one group of through holes are arranged on the first side wall at intervals, and the other group of through holes are arranged on the third side wall at intervals. The screws, the through holes and the threaded holes act together to improve the stability of connection of the electronic speed regulator and the first shell and prevent the electronic speed regulator from displacing relative to the first shell.

Optionally, the horn is tubular, is provided with the cavity in the horn, and the wire mouth that crosses of crossing wire mouth and holding cavity intercommunication is offered to the horn one side that is close to first casing and cavity intercommunication. The electric wire is conveniently routed, the control system is electrically connected with the electronic speed regulator, and the control system is convenient for sending a control signal to the electronic speed regulator.

Optionally, the first housing is provided with a thickened portion, and the through hole is opened on the thickened portion. The thickening portion is used for improving the strength of the joint of the first shell and the screw so as to ensure the connection reliability of the first shell and the electronic speed regulator.

Optionally, the first shell is provided with a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are oppositely arranged at two sides of the horn, the first connecting piece is provided with a first boss, and the second connecting piece is provided with a second boss; the second shell is provided with a third connecting piece and a fourth connecting piece, the third connecting piece and the fourth connecting piece are oppositely arranged at two sides of the horn, the third connecting piece is provided with a third boss, and the fourth connecting piece is provided with a fourth boss; the first boss is in screw connection with the third boss, and the second boss is in screw connection with the fourth boss. The relative positions of the first shell and the second shell are fixed, the first shell is prevented from being displaced relative to the second shell, and the disassembly and the assembly are convenient.

Optionally, the first connecting piece is provided with a first slot hole, the second connecting piece is provided with a second slot hole, the third connecting piece is provided with a third slot hole, the fourth connecting piece is provided with a fourth slot hole, the first slot hole is communicated with the third slot hole, the first slot holes and the third slot holes are jointly formed into a first weight-reducing groove, and the second slot holes and the fourth slot holes are communicated, and the second weight-reducing groove is jointly formed. The first weight reduction groove and the second weight reduction groove act together to lighten the weight of the whole fixing seat, realize unmanned aerial vehicle's lightweight, reach the effect of power saving.

The utility model provides an unmanned aerial vehicle, including fuselage, rotor subassembly and foretell electricity transfer fixed subassembly, this electricity transfer fixed subassembly includes horn, fixing base and electronic governor, and the fixing base includes first casing and second casing, and first casing and second casing can dismantle the connection, and the horn is located to the common cover outward, and electronic governor sets up in one side that the second casing was kept away from to first casing, and can dismantle with first casing and be connected, and electronic governor is used for being connected with the rotor motor electricity, and the one end and the fuselage of horn are connected, and the other end is connected with the rotor subassembly.

The electric adjustment fixing assembly and the unmanned aerial vehicle provided by the utility model have the following beneficial effects:

The utility model provides an electric adjusting fixing assembly, which comprises a first shell and a second shell, wherein the first shell and the second shell are detachably connected and are sleeved outside a horn together, an electronic speed regulator is arranged on one side of the first shell far away from the second shell and is detachably connected with the first shell, and the electronic speed regulator is used for being electrically connected with a rotor motor. Compared with the prior art, the electric adjusting fixing assembly provided by the utility model has the advantages that the first shell and the second shell which are sleeved outside the horn together and the electronic speed regulator which is detachably connected with the first shell are adopted, so that the dismounting structure of the electronic speed regulator can be simplified, the dismounting efficiency is improved, the maintenance is convenient, the convenience and the practicability are realized, and the user experience is good.

The unmanned aerial vehicle provided by the utility model comprises the electric adjustment fixing assembly, so that the dismounting structure of the electronic speed regulator can be simplified, the dismounting efficiency is improved, the maintenance is convenient, the unmanned aerial vehicle is convenient and practical, and the user experience is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of an electrically tunable fixing assembly according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an electrically tunable fastening assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an electronic governor in an electrical governor assembly according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a first housing in the electrically tunable fixing assembly according to an embodiment of the present utility model;

Fig. 5 is a schematic structural diagram of a second housing in the electrically tunable fixing assembly according to an embodiment of the present utility model.

Icon: 100-an electric adjustment fixing component; 110-a horn; 111-hollow cavities; 112-wire passing port; 120-fixing base; 121-a first housing; 122-a second housing; 123-through holes; 124-a first sidewall; 1241-a first vent; 125-a second sidewall; 126-a third sidewall; 1261-a second vent; 127-fourth side wall; 128-accommodating the cavity; 129-thickening; 130-a first connecting piece; 1301-a first slot; 131-a second connecting piece; 1311-a second slot; 132-first boss; 134-a third connecting piece; 1341-third slot; 135-fourth connecting piece; 1351-fourth slots; 136-a third boss; 137-fourth boss; 140-an electronic governor; 141-a positioning table; 142-threaded holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "outer", "upper", "lower", "horizontal", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.

Referring to fig. 1, an embodiment of the present utility model provides an unmanned aerial vehicle (not shown) for implementing unmanned autonomous operation. The electronic speed regulator 140 can simplify the dismounting structure, improves the dismounting efficiency, is convenient to maintain, is convenient and practical, and has good user experience.

The drone includes a fuselage (not shown), a rotor assembly (not shown), and an electrically tunable fixture assembly 100. Wherein, the fixed subassembly 100 is transferred to electricity is provided with horn 110, and the one end and the fuselage of horn 110 are connected, and the other end is connected with the rotor subassembly to fixed fuselage and rotor subassembly's relative position, rotor subassembly are used for rotatory in order to produce the lift, thereby drive whole unmanned aerial vehicle and fly the operation. Specifically, the rotor assembly includes a rotor motor (not shown) and rotor blades (not shown), the rotor motor being coupled to the rotor blades, the rotor motor being configured to rotate the rotor blades.

The electric governor assembly 100 includes a horn 110, a fixed base 120, and an electronic governor 140. The fixing base 120 is mounted on the arm 110 and connected to the electronic speed regulator 140, and the fixing base 120 is used for fixing the relative position of the electronic speed regulator 140 and the arm 110, so as to prevent the electronic speed regulator 140 from displacing relative to the arm 110. The electronic speed regulator 140 is used for being electrically connected with the rotor motor to adjust the rotating speed of the rotor motor according to the control signal, thereby controlling the flight state of the whole unmanned aerial vehicle.

Referring to fig. 2 to 5, the fixing base 120 includes a first housing 121 and a second housing 122. The first casing 121 and the second casing 122 are detachably connected, and are sleeved outside the horn 110 together, so that the fixing base 120 is detached from the horn 110, or the fixing base 120 is mounted on the horn 110. The electronic speed regulator 140 is disposed on a side of the first housing 121 away from the second housing 122, and is detachably connected to the first housing 121, so as to detach the electronic speed regulator 140 from the fixing base 120, or mount the electronic speed regulator 140 on the fixing base 120. In this way, the first casing 121, the second casing 122 and the electronic speed regulator 140 can be disassembled and assembled according to any sequence as required, so that the disassembly and assembly structure of the electronic speed regulator 140 is simplified, the disassembly and assembly efficiency is improved, the maintenance is convenient, the convenience and the practicability are realized, and the user experience is good.

It should be noted that, the electronic speed regulator 140 is provided with a positioning table 141 in an extending manner, the positioning table 141 is provided with a threaded hole 142, the first housing 121 is provided with a through hole 123, and the threaded hole 142 is used for being in threaded engagement with a screw passing through the through hole 123, so as to fix the relative position of the positioning table 141 and the first housing 121, thereby fixing the relative position of the electronic speed regulator 140 and the first housing 121, and preventing the electronic speed regulator 140 from being separated from the first housing 121. Specifically, during the connection of the electronic governor 140 and the first housing 121, the electronic governor 140 is disposed on the first housing 121, during which the positioning table 141 extends into the first housing 121 until the position of the threaded hole 142 corresponds to the position of the through hole 123, and then a screw is passed through the through hole 123 and tightened with respect to the threaded hole 142 to fix the relative positions of the positioning table 141 and the first housing 121.

The first housing 121 includes a first side wall 124, a second side wall 125, a third side wall 126, and a fourth side wall 127 that are connected end to end. The first side wall 124, the second side wall 125, the third side wall 126 and the fourth side wall 127 together enclose a containing cavity 128, the electronic speed regulator 140 is simultaneously propped against the first side wall 124, the second side wall 125, the third side wall 126 and the fourth side wall 127, and part of the electronic speed regulator stretches into the containing cavity 128, and the through hole 123 is formed in the first side wall 124 and the third side wall 126. Specifically, the first side wall 124, the second side wall 125, the third side wall 126, and the fourth side wall 127 cooperate to support and limit the electronic governor 140, preventing the electronic governor 140 from loosening.

In this embodiment, the first housing 121 is rectangular, that is, the first side wall 124 and the third side wall 126 are disposed at parallel intervals, the second side wall 125 and the fourth side wall 127 are disposed at parallel intervals, the first side wall 124 is perpendicular to the second side wall 125, and the rectangular first housing 121 is attractive and convenient for production and processing.

Further, the first side wall 124 is provided with a first ventilation opening 1241, the third side wall 126 is provided with a second ventilation opening 1261, and the positions of the first ventilation opening 1241 and the second ventilation opening 1261 correspond to each other and are all communicated with the accommodating cavity 128. Specifically, the first ventilation openings 1241 and the second ventilation openings 1261 are both used for air to blow through, so that the air flow passes through the accommodating cavity 128, and the ventilation efficiency can be improved by the first ventilation openings 1241 and the second ventilation openings 1261 corresponding to each other, and in the process that the air flow passes through the accommodating cavity 128, the air flow can take away heat generated by the electronic speed regulator 140 during operation, so as to play a role in heat dissipation and temperature reduction on the electronic speed regulator 140, and ensure the stability of operation of the electronic speed regulator 140.

It should be noted that the number of the positioning tables 141 and the number of the through holes 123 are all plural, each positioning table 141 is provided with one threaded hole 142, the plurality of through holes 123 are divided into two groups, one group of through holes 123 is arranged on the first side wall 124 at intervals, the other group of through holes 123 is arranged on the third side wall 126 at intervals, and each screw is used for penetrating through one through hole 123 and is in threaded fit with one threaded hole 142. The plurality of screws, the plurality of through holes 123, and the plurality of threaded holes 142 cooperate to improve the stability of the connection of the electronic governor 140 to the first housing 121, preventing the electronic governor 140 from being displaced relative to the first housing 121.

In this embodiment, the number of the positioning table 141, the threaded holes 142 and the through holes 123 is four, wherein the first set of two through holes 123 are disposed on the first sidewall 124 at intervals, and the second set of two through holes 123 are disposed on the third sidewall 126 at intervals. However, the number of the positioning table 141, the threaded hole 142 and the through hole 123 may be six or two in other embodiments, and the number of the positioning table 141, the threaded hole 142 and the through hole 123 is not particularly limited.

Further, the number of the first ventilation openings 1241 and the second ventilation openings 1261 is three, so as to improve ventilation and heat dissipation efficiency and enhance heat dissipation effect. Wherein, three first ventilation holes and two through holes 123 of first group set up alternately in proper order on first lateral wall 124, and three second ventilation holes and two through holes 123 of second group set up alternately in proper order on third lateral wall 126 to guarantee the structural strength of first lateral wall 124 and third lateral wall 126, and improve the aesthetic measure.

In this embodiment, the arm 110 is tubular, a hollow cavity 111 is disposed in the arm 110, and a wire passing port 112 communicated with the hollow cavity 111 is disposed on a side of the arm 110 close to the first housing 121, and the wire passing port 112 is communicated with the accommodating cavity 128, so as to facilitate the routing of wires. Specifically, one end of the electric wire is connected with the electronic speed regulator 140, and the other end sequentially passes through the accommodating cavity 128 and the wire passing port 112 to enter the hollow cavity 111, extends along the length direction of the arm 110, and finally is connected with a control system on the aircraft body, so as to realize the electrical connection between the control system and the electronic speed regulator 140, and facilitate the control system to send a control signal to the electronic speed regulator 140.

In this embodiment, the first housing 121 is provided with a thickened portion 129, the through hole 123 is formed on the thickened portion 129, and the thickened portion 129 is used for improving the strength of the connection between the first housing 121 and the screw, so as to ensure the connection reliability of the first housing 121 and the electronic speed regulator 140.

It should be noted that the first housing 121 is provided with a first connecting piece 130 and a second connecting piece 131, the first connecting piece 130 and the second connecting piece 131 are disposed on two opposite sides of the horn 110, that is, the first connecting piece 130 is connected with the first side wall 124, the second connecting piece 131 is connected with the third side wall 126, the first connecting piece 130 is provided with a first boss 132, and the second connecting piece 131 is provided with a second boss (not shown). Accordingly, the second housing 122 is provided with a third connecting piece 134 and a fourth connecting piece 135, the third connecting piece 134 and the fourth connecting piece 135 are oppositely arranged at two sides of the horn 110, the third connecting piece 134 is provided with a third boss 136, and the fourth connecting piece 135 is provided with a fourth boss 137. Specifically, the first boss 132 is screwed to the third boss 136, and the second boss and the fourth boss 137 are screwed to fix the relative positions of the first housing 121 and the second housing 122, prevent the first housing 121 from being displaced relative to the second housing 122, and facilitate assembly and disassembly.

Further, the first connecting piece 130 is provided with a first slot 1301, the second connecting piece 131 is provided with a second slot 1311, the third connecting piece 134 is provided with a third slot 1341, the fourth connecting piece 135 is provided with a fourth slot 1351, the first slot 1301 is communicated with the third slot 1341, and together form a first weight-reducing slot (not shown), the second slot 1311 is communicated with the fourth slot 1351, and together form a second weight-reducing slot (not shown). Specifically, the first weight-reducing groove and the second weight-reducing groove act together to reduce the weight of the whole fixing seat 120, realize the weight reduction of the unmanned aerial vehicle, and achieve the effect of power saving.

In the present embodiment, the number of the first boss 132, the second boss, the third boss 136 and the fourth boss 137 is two, so as to improve the reliability of the connection between the first housing 121 and the second housing 122. Specifically, the two first bosses 132 are oppositely disposed at two ends of the first connecting piece 130, and the first slot 1301 is disposed between the two first bosses 132; the two second bosses are oppositely arranged at two ends of the second connecting piece 131, and the second slotted hole 1311 is arranged between the two second bosses; the two third bosses 136 are oppositely arranged at two ends of the third connecting sheet 134, and the third slotted hole 1341 is arranged between the two third bosses 136; the two fourth bosses 137 are disposed at two opposite ends of the fourth connecting piece 135, and the fourth slot 1351 is disposed between the two fourth bosses 137.

According to the electric adjusting fixing assembly 100 provided by the embodiment of the utility model, the fixing seat 120 comprises the first shell 121 and the second shell 122, the first shell 121 and the second shell 122 are detachably connected and are sleeved outside the horn 110 together, the electronic speed regulator 140 is arranged on one side, far away from the second shell 122, of the first shell 121 and is detachably connected with the first shell 121, and the electronic speed regulator 140 is used for being electrically connected with the rotor motor. Compared with the prior art, the electric adjusting fixing assembly 100 provided by the utility model has the advantages that the first shell 121 and the second shell 122 which are sleeved outside the horn 110 together and the electronic speed regulator 140 which is detachably connected with the first shell 121 are adopted, so that the dismounting structure of the electronic speed regulator 140 can be simplified, the dismounting efficiency is improved, the maintenance is convenient, the electric adjusting fixing assembly is convenient and practical, and the user experience is good. Make unmanned aerial vehicle be convenient for dismouting and maintenance, the practicality is strong.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides an electricity is transferred fixed subassembly, its characterized in that includes horn (110), fixing base (120) and electronic governor (140), fixing base (120) are including first casing (121) and second casing (122), first casing (121) with second casing (122) can dismantle and be connected, and overlap jointly locates outside horn (110), electronic governor (140) set up in first casing (121) keep away from one side of second casing (122), and with first casing (121) can dismantle and be connected, electronic governor (140) are used for being connected with the rotor motor electricity.

2. The electric tuning fixing assembly according to claim 1, wherein the electronic speed governor (140) is provided with a positioning table (141) in an extending manner, the positioning table (141) is provided with a threaded hole (142), the first housing (121) is provided with a through hole (123), and the threaded hole (142) is used for being in threaded fit with a screw penetrating through the through hole (123).

3. The electrically tunable fixing assembly of claim 2, wherein the first housing (121) includes a first side wall (124), a second side wall (125), a third side wall (126), and a fourth side wall (127) that are connected end to end, the first side wall (124), the second side wall (125), the third side wall (126), and the fourth side wall (127) together enclose a receiving cavity (128), the electronic governor (140) is simultaneously abutted against the first side wall (124), the second side wall (125), the third side wall (126), and the fourth side wall (127), and part of the electronic governor extends into the receiving cavity (128), and the through hole (123) is opened on the first side wall (124) and the third side wall (126).

4. An electrically tunable fastening assembly according to claim 3, wherein the first side wall (124) is provided with a first ventilation opening (1241), the third side wall (126) is provided with a second ventilation opening (1261), and the positions of the first ventilation opening (1241) and the second ventilation opening (1261) correspond to each other and are all communicated with the accommodating cavity (128).

5. An electrically tunable fixing assembly according to claim 3, wherein the number of the positioning tables (141) and the number of the through holes (123) are plural, each positioning table (141) is provided with one threaded hole (142), the plurality of through holes (123) are divided into two groups, one group of through holes (123) is arranged on the first side wall (124) at intervals, and the other group of through holes (123) is arranged on the third side wall (126) at intervals.

6. An electrically tunable fixing assembly according to claim 3, wherein the horn (110) is tubular, a hollow cavity (111) is provided in the horn (110), a wire passing port (112) communicated with the hollow cavity (111) is provided on a side of the horn (110) close to the first housing (121), and the wire passing port (112) is communicated with the accommodating cavity (128).

7. The electrical tuning fixation assembly according to claim 2, wherein the first housing (121) is provided with a thickened portion (129), the through hole (123) being open on the thickened portion (129).

8. The electric tuning fixation assembly according to claim 1, wherein the first housing (121) is provided with a first connection piece (130) and a second connection piece (131), the first connection piece (130) and the second connection piece (131) being arranged opposite to each other on both sides of the horn (110), the first connection piece (130) being provided with a first boss (132), the second connection piece (131) being provided with a second boss ();

The second shell (122) is provided with a third connecting piece (134) and a fourth connecting piece (135), the third connecting piece (134) and the fourth connecting piece (135) are oppositely arranged on two sides of the horn (110), the third connecting piece (134) is provided with a third boss (136), and the fourth connecting piece (135) is provided with a fourth boss (137);

the first boss (132) is in screw connection with the third boss (136), and the second boss () is in screw connection with the fourth boss (137).

9. The electrically tunable fixing assembly of claim 8, wherein the first connecting piece (130) is provided with a first slot hole (1301), the second connecting piece (131) is provided with a second slot hole (1311), the third connecting piece (134) is provided with a third slot hole (1341), the fourth connecting piece (135) is provided with a fourth slot hole (1351), the first slot hole (1301) is communicated with the third slot hole (1341) and jointly form a first weight-reducing slot, and the second slot hole (1311) is communicated with the fourth slot hole (1351) and jointly forms a second weight-reducing slot.

10. Unmanned aerial vehicle, characterized by comprising a fuselage, a rotor assembly and an electrically adjustable fixing assembly according to any of claims 1 to 9, one end of the horn (110) being connected to the fuselage and the other end being connected to the rotor assembly.