CN220656380U - Modularized model helicopter structure - Google Patents

Abstract

The utility model discloses a modularized model helicopter structure, which comprises a main body and a secondary body which are symmetrically arranged, wherein a main rotor wing module, a tail rotor wing power module, a main power module, a control module and a power module are arranged in the main body, a module bin for accommodating each module is respectively arranged in the main body and the secondary body, the module bin comprises a main power module bin, a control module bin, a power module bin and a tail rotor wing power module bin, the main power module bin, the control module bin and the power module bin are all arranged on the main body and the body of the secondary body, the tail rotor wing power module bin is arranged on tail wings of the main body and the secondary body, assembly slots are respectively arranged in the main power module bin, the control module bin and the power module bin, and assembly columns matched with the assembly slots are respectively arranged on the main power module, the control module and the power module. Compared with the prior art, the internal structure of the model helicopter is simplified, and the difficulty of maintenance is reduced due to the modularization of parts.

Description

Modularized model helicopter structure

Technical Field

The utility model relates to an electronic model product, in particular to a modularized model helicopter structure.

Background

At present, most of model helicopters in the market are plastic-sucking or injection-molded fuselages, and a few of helicopters adopt a structure mode that a frame is separated from a shell, namely, the plastic-sucking, injection-molded or foam fuselages are only used as decorations of model helicopters to be installed and fixed on the frame through fixing screws (shown in figure 1), and even if the fuselages are separated, the functions and the performances of the model helicopters are not affected, and the model helicopters have the structural characteristics that: fuselage 210 is merely an ornamental portion of the exterior, and the core structure of the model helicopter is made up of several important parts, namely, frame assembly 220, tail rotor power assembly 230, main power assembly 240, main rotor assembly 250, flight controller assembly 260, power cell 270, and servo controller 280.

The frame assembly 220 comprises four main frames 201, a skid 202, a tail pipe 203 and a tail vertical wing 204, wherein the skid 202 and the tail pipe 203 are fixed on the main frames 201 through screws, and the tail vertical wing 204 is arranged on a tail motor fixing seat 301; tail rotor power assembly 230 includes: tail motor mount 301, tail motor 302, tail rotor 303; the tail rotor 303 is fixedly arranged on the tail motor 302, the tail motor 302 is fixedly arranged on the tail motor fixing seat 301 through a screw, and the tail motor fixing seat is fixedly arranged on the tail pipe 203 through a screw; the main power assembly 240 includes: a main motor 401 and a main gear 402, the main motor being fastened to the main frame 201 by screw mounting, the main gear 402 being mounted on a main shaft 504; main rotor assembly 250 includes: six parts of a main rotor wing 501, a main wing clamping head 502, a main rotating head 503, a main shaft 504, a tilting disk group 505 and a metal fixer 506; main rotor assembly 250 is mounted on main frame 201 via a main shaft, and limiting and fastening of main rotor assembly 250 is accomplished via metal retainer 506 and main gear 402; the flight controller assembly 260 is adhered to the inside of the main frame 201 by double-sided foam; the power battery 270 is fixed and fastened on the main frame 201 by a magic tape and a magic tape; three servo controllers 280 used in model aircraft are also mounted and secured to main frame 201 using screws.

According to the installation and fixation mode, a large number of structures are needed for installing and fixing each part of the model aircraft, so that on one hand, the production and manufacturing cost of the model helicopter is increased, on the other hand, the weight of the model helicopter is increased due to the large number of structural parts, the model helicopter is required to be matched with stronger power parts (motors, batteries and the like), the power part matching space is reduced, the difficulty is increased, and the parts are required to be assembled into a whole, and because the parts are scattered parts, the assembly difficulty is high, and the material cost is also increased; when the parts are damaged and need to be replaced, a great deal of disassembly and replacement time is required, and other parts which are not damaged can be damaged.

Disclosure of Invention

The utility model aims to provide a modularized model helicopter structure, which aims to solve the technical problems of simplifying the internal structure of the model helicopter, realizing the modularization of parts and reducing the difficulty of maintenance.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a modularization model helicopter structure, includes emulation organism, emulation organism includes the main engine body, auxiliary engine body that the symmetry sets up and the structure is the exact same, constitute complete emulation organism after main engine body and auxiliary engine body splice, be equipped with main rotor module in emulation organism, tail rotor power module, the initiative power module, control module and power module, respectively be equipped with the module storehouse that holds each module in main engine body and auxiliary engine body, the module storehouse includes the initiative power module storehouse, control module storehouse, power module storehouse, tail rotor power module storehouse, the initiative power module storehouse, control module storehouse, power module storehouse all sets up on the fuselage of main engine body and auxiliary engine body, the power module storehouse sets up in the below in control module storehouse, tail rotor power module storehouse sets up on the fin of main engine body and auxiliary engine body, all be equipped with the assembly post that fits with the assembly phase-fit in main power module storehouse, control module and power module storehouse are equipped with respectively on the power module, so as to realize that through-hole and the plug-in each aircraft body position fix the main engine body at the main engine body and the auxiliary engine body, the slot hole is located the main power module in the main engine body, the auxiliary engine body is fixed in the main power module position with the auxiliary engine body.

Further, screw holes are formed in the end face of at least one end of the assembly column, screw through holes communicated with the assembly slot holes are formed in the surface of the main body or the auxiliary body and located at corresponding positions of the assembly slot holes, and accordingly the main body, the auxiliary body, the main power module, the control module and the power module are fixed relatively through screws.

Further, the main power module comprises a main power support, a main gear, a main motor and a servo module, wherein the main gear, the main motor and the servo module are arranged on the main power support, a plurality of assembly columns are arranged on the main power support, a limiting part for limiting the main rotor module is arranged on the main power support, a limiting hole is formed in the limiting part, a limiting boss is arranged on the main rotor module and is arranged in the limiting hole, an inclined disc avoiding space is formed in the main power support, the main gear is arranged at the lower end of the main power support, the center of the main gear and the center of the limiting hole are arranged on the same straight line, and a transmission gear meshed with the main gear is arranged on an output shaft of the main motor.

Further, the main rotor module comprises a main rotor, a rotating head and a tilting disk, a transmission shaft on the rotating head penetrates through the tilting disk, the tilting disk is arranged in the tilting disk avoiding space, a limiting boss is arranged at the lower end of the rotating head, and the transmission shaft on the rotating head penetrates through a main power support to be connected with a main gear so as to limit the main rotor module through the limiting boss and the main gear.

Further, the control module comprises a control board and a control board mounting plate, wherein the control board is fixed on the control board mounting plate, and the assembly column is arranged on the control board mounting plate.

Further, the power module comprises a battery and a battery compartment cover, a cover plate hole is formed in the bottoms of the main machine body and the auxiliary machine body and corresponds to the position of the power module, a connecting part is arranged at one end of the battery compartment cover, the connecting part and the battery compartment cover form an L shape, and an assembling column is arranged on the connecting part.

Further, the power module bin is communicated with the main power module bin, the connecting part is arranged on one end of the battery bin cover, which is far away from the main power module, a first clamping hook and a second clamping hook are respectively arranged on the opposite end of the main power bracket and the battery bin cover, and the battery bin cover is mutually clamped with the first clamping hook through the second clamping hook, so that the battery bin cover is fixed.

Further, the tail rotor power module comprises a tail rotor, a tail motor and a tail motor support, wherein the tail motor support is inserted into and fixed in a tail rotor power module bin, and the tail motor is fixed in the tail motor support.

Further, the auxiliary machine body comprises an auxiliary machine body and an auxiliary tail beam tail wing body, wherein a main power module bin, a control module bin and a power module bin are arranged on the auxiliary machine body, and a tail rotor power module bin is arranged on the auxiliary tail beam tail wing body.

Further, be equipped with grafting structure between vice fuselage and the vice tail boom fin body, grafting structure includes the fuselage spliced groove, with the grafting portion of fuselage spliced groove looks adaptation, be equipped with the relative first connecting hole in position on fuselage spliced groove, grafting portion respectively, the second connecting hole, after vice fuselage and the concatenation of vice tail boom fin body, first connecting hole sets up on same straight line with the second connecting hole, be equipped with on the host computer with first connecting hole, the relative organism spliced pole of second connecting hole position, the organism spliced pole inserts in first connecting hole, the second connecting hole, be equipped with the screw on the organism spliced pole, in order to fix vice fuselage, vice tail boom fin body and host computer body connection through the screw.

Compared with the prior art, the main body and the auxiliary body with symmetrical structures are arranged, corresponding module bins are arranged in the main body and the auxiliary body, and the main rotor wing module, the tail rotor wing power module, the main power module, the control module and the power module are respectively arranged in the corresponding positions of the module bins, so that the main body and the auxiliary body jointly form the frame of the model helicopter, and each module is fixed in the module bin through the detachable assembly columns and the assembly slots, thereby simplifying the internal structure of the model helicopter, and reducing the maintenance difficulty due to the modularization of parts.

Drawings

Fig. 1 is a schematic structural view of a prior art model helicopter.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is an exploded view of the module of the present utility model.

Fig. 5 is an assembled schematic view of the present utility model.

Fig. 6 is a schematic view of the internal structure of the sub-body of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples.

As shown in fig. 2, 3 and 6, the utility model discloses a modularized model helicopter structure, which comprises a simulation body 1, wherein the simulation body 1 comprises a main body 11 and a secondary body 12 which are symmetrically arranged and have the same structure, the main body 11 and the secondary body 12 are spliced to form a complete simulation body 1, a main rotor module 3, a tail rotor power module 2, a main power module 4, a control module 5 and a power module 6 are arranged in the simulation body 1, module bins for accommodating the modules are respectively arranged in the main body 11 and the secondary body 12, the module bins comprise a main power module bin 131, a control module bin 132, a power module bin 133 and a tail rotor power module bin 134, the main power module bin 131, the control module bin 132 and the power module bin 133 are respectively arranged on the bodies of the main body 11 and the secondary body 12, the control module bin 132 and the power module bin 133 are respectively arranged at the front ends of the main power module bin 131, the power module bin 133 is arranged below the control module bin 132, the tail rotor power module bin 134 is arranged on the tail wing of the main body 11 and the auxiliary body 12, assembly slots 135 are arranged in the main power module bin 131, the control module bin 132 and the power module bin 133, assembly posts 7 which are matched with the assembly slots 135 are respectively arranged on the main power module 4, the control module 5 and the power module 6 so as to fix the modules in the corresponding positions of the module bin 13 through mutual insertion of the assembly posts 7 and the assembly slots 135, avoidance through holes 136 which penetrate through the upper ends of the main body 11 and the auxiliary body 12 are arranged at the upper end of the main power module bin 131 so that the main rotor module 3 is connected with the main power module 4 which is arranged in the main power module bin 131, the tail rotor power module bin 134 penetrates through the tail wing of the main body 11 and the auxiliary body 12, the tail rotor power module 2 is secured in a tail rotor power module compartment 134, and in the present utility model, the power module 6 is electrically connected to the control module 5, and the control module 5 is electrically connected to the main power module 4 and the tail rotor power module 2, respectively.

In the utility model, the module cabin on the main machine body 11 and the module cabin on the auxiliary machine body 12 jointly form a cabin for accommodating the fixed modules, and the structure and the shape of the cabin are identical.

As shown in fig. 2 and 3, the simulation body 1 of the present utility model may be made of a foam material to reduce the weight of the model helicopter, and the use of the above material may reduce the probability of damage of the model helicopter during impact, while also maintaining the simulation appearance of the model helicopter to the maximum extent.

As shown in fig. 2, 3 and 6, the auxiliary machine body 12 is composed of two parts, including an auxiliary machine body 121, an auxiliary tail beam tail wing body 122, a main power module cabin 131, a control module cabin 132 and a power module cabin 133, which are arranged on the auxiliary machine body 121, a tail rotor power module cabin 134 is arranged on the auxiliary tail beam tail wing body 122, and wire passing grooves are formed on the tail beam tail wing part of the main machine body 11 and the auxiliary tail beam tail wing body 122, so that wires are led into the tail rotor power module cabin 134 through the wire passing grooves.

As shown in fig. 2, 3 and 6, the auxiliary body 121 is connected with the auxiliary tail beam tail body 122 through a plugging structure, the plugging structure comprises a body plugging slot 123 and a plugging portion 124 matched with the body plugging slot 123, the body plugging slot 123 is arranged on the auxiliary tail beam tail body 122, the plugging portion 124 is arranged on the auxiliary body 121, the body plugging slot 123 is arranged on the outer surface of the auxiliary tail beam tail body 122, the auxiliary tail beam tail body 122 is adhered and fixed with the main body 11 through glue, the body plugging slot 123 and the plugging portion 124 are respectively provided with a first connecting hole 125 and a second connecting hole 126 which are opposite in position, after the auxiliary body 121 is spliced with the auxiliary tail beam tail body 122, the first connecting hole 125 and the second connecting hole 126 are arranged on the same straight line, a body plugging post 111 opposite in position to the first connecting hole 125 and the second connecting hole 126 is arranged on the main body 11, the body plugging post 111 is inserted into the first connecting hole 125 and the second connecting hole 126, and the tail wing is arranged on the body plugging post 111 so as to fix the auxiliary body 121 and the auxiliary tail beam body 122 with the main body 122 through screws.

As shown in fig. 2 to 6, the end surface of the assembly post 7 opposite to the sub-body 12 is provided with a screw hole 71, and screw through holes 137 communicating with the assembly slots 135 are provided on the surface of the sub-body 12 at corresponding positions of the assembly slots 135, so as to fix the main body 11, the sub-body 12, the main power module 4, the control module 5 and the power module 6 together by screws, thereby fixing the modules.

As shown in fig. 2 to 5, the main power module 4 includes a main power bracket 41, a main gear 42, a main motor 43, and a servo module 44, the main gear 42, the main motor 43, and the servo module 44 are all disposed on the main power bracket 41, a plurality of assembly posts 7 are disposed on the main power bracket 41, the assembly posts 7 are disposed on the periphery of the main power bracket 41, a limiting member 411 limiting the main rotor module 3 is disposed on the main power bracket 41, a limiting hole 412 is disposed on the limiting member 411, a limiting boss 331 is disposed on the main rotor module 3, the limiting boss 331 is disposed in the limiting hole 412, a tilting disk avoiding space 413 is disposed on the main power bracket 41, the main gear 42 is disposed at the lower end of the main power bracket 41, the center of the main gear 42 and the center of the limiting hole 412 are disposed on the same straight line, and a transmission gear engaged with the main gear 42 is disposed on the output shaft of the main motor 43.

As shown in fig. 4, the main power bracket 41 includes a vertical plate 414, the lower ends of two opposite side plate surfaces of the vertical plate 414 are respectively provided with a main motor fixing seat 415 and a servo fixing seat 416, the servo fixing seat 416 is provided with a through hole which is positioned on the same line with the limit hole 412 of the limit component 411 so as to allow the transmission shaft of the main rotor module to pass through, the main gear 42 is arranged at the lower end of the vertical plate 414, and one ends of the servo fixing seat 416 and the limit component 411, which are far away from the main motor fixing seat 415, are respectively provided with a screw connection seat 417 so that the servo module 44 is connected with the screw connection seat 417 through screws to realize the fixation of the servo module 44, and a space is reserved between the servo module 44 and the vertical plate 414 after the servo module 44 is fixed so as to form an inclined disc avoiding space 413; as can be seen from fig. 4, the assembly posts 7 provided on the main power module 4 are respectively provided at the positions of the server fixing base 416, the main motor fixing base 415 and the limiting member 411, wherein the opposite ends of the limiting member 411 are respectively provided with one assembly post 7; when the main power module 4 is assembled into the main power module compartment 131, the limiting member 411 is disposed in the avoidance through hole 136.

As shown in fig. 2 to 5, the main rotor module 3 includes a main rotor 31, a main wing grip 32, a rotating head 33, and a tilting disk 34, and the connection of these three parts is the prior art, and not described in detail herein, a transmission shaft on the rotating head 33 passes through the tilting disk 34, the tilting disk 34 is disposed in a tilting disk avoidance space 413, a limit boss 331 is disposed at a lower end of the rotating head 33, and the transmission shaft on the rotating head 33 passes through a main power bracket 41 and is connected with a main gear 42, so as to limit the main rotor module 3 through the limit boss 331 and the main gear 42.

As shown in fig. 2 to 5, the control module 5 includes a control board 51 and a control board mounting plate 52, the control board 51 is fixed to the control board mounting plate 52 by double-sided adhesive tape, and two mounting posts 7 are provided on the control board mounting plate 52.

As shown in fig. 4 and 5, in order to make the modules more compact, a notch 511 is provided at an end of the control board 51 opposite to the main motor 43 so that the main motor 43 is partially located in the notch 511, thereby making the volume more compact.

As shown in fig. 4, 5 and 6, the power module 6 includes a battery 61 and a battery compartment cover 62, a cover plate hole 1331 is formed at the bottoms of the main body 11 and the auxiliary body 121 and at the position corresponding to the position of the power module compartment 133, a connecting portion 63 is disposed at one end of the battery compartment cover 62, which is far away from the main power module 4, the connecting portion 63 and the battery compartment cover 62 form an L shape, an assembly post 7 is disposed on the connecting portion 63, and when the battery compartment cover 62 is inserted into the assembly slot 135 in the power module compartment 133 through the assembly post 7, the battery compartment cover 62 is rotatably opened or closed, and the battery 61 is fixed in the power module compartment 133 through double-sided tape.

In the present utility model, the power module chambers 133 are communicated with the main power module chamber 131, as shown in fig. 4 and 5, a first hook 418 and a second hook 64 are respectively provided at one end of the main power bracket 41 opposite to the battery chamber cover 62, and the battery chamber cover 62 is clamped with the first hook 418 by the second hook 64, so as to fix the battery chamber cover 62.

As shown in fig. 2 to 5, the tail rotor power module 2 includes a tail rotor 21, a tail motor 22, and a tail motor support 23, and the tail motor support 23 is inserted into and fixed in a tail rotor power module housing 134 by glue bonding, and in the present utility model, the tail rotor power module housing 134 is a through hole, and the tail motor 22 is fixed in the tail motor support 23.

The utility model has the following advantages:

the internal structure of the model helicopter is effectively simplified, and the process complexity of production and manufacture is reduced.

Due to the adoption of the modularized structure, the machine body is used as a rack, the complexity of parts is reduced, corresponding modules can be replaced according to damaged parts, and the difficulty of self-maintenance of a user is effectively reduced.

The weight of the model helicopter is effectively reduced, and the probability of damage during collision of the model helicopter can be reduced due to the fact that the model helicopter is made of foam materials, so that the simulation appearance of the model helicopter is maintained to the greatest extent; the weight of the model airplane can be effectively reduced, so that the difficulty in adapting and selecting the power part is reduced, and the material cost of the power part is effectively reduced.

Claims (10)

1. The utility model provides a modularization model helicopter structure, includes emulation organism (1), its characterized in that: the simulation machine body (1) comprises a main machine body (11) and a subsidiary machine body (12) which are symmetrically arranged and have the same structure, the main machine body (11) and the subsidiary machine body (12) are spliced to form the complete simulation machine body (1), a main rotor wing module (3), a tail rotor wing power module (2), a main power module (4), a control module (5) and a power module (6) are arranged in the simulation machine body (1), module bins for accommodating the modules are respectively arranged in the main machine body (11) and the subsidiary machine body (12), each module bin comprises a main power module bin (131), a control module bin (132), a power module bin (133) and a tail rotor wing power module bin (134), the main power module bin (131), the control module bin (132), the power module bin (133) and the power module bin (133) are all arranged on the main machine body (11) and the subsidiary machine body (12), the control module bin (132) is arranged at the front end of the main power module bin (131), the power module bin (133) is arranged below the control module bin (132), the tail rotor wing (132) is arranged in the main machine body (11) and the subsidiary machine body (131), the main power module (4), the control module (5) and the power module (6) are respectively provided with an assembly column (7) which is matched with the assembly slotted hole (135) so as to fix each module in the corresponding position of the module bin through the mutual insertion of the assembly column (7) and the assembly slotted hole (135), the upper end of the main power module bin (131) is provided with an avoidance through hole (136) which penetrates through the upper ends of the main body (11) and the auxiliary body (12) so as to enable the main rotor module (3) to be connected with the main power module (4) which is positioned in the main power module bin (131), the tail rotor power module bin (134) penetrates through tail wings of the main body (11) and the auxiliary body (12), and the tail rotor power module (2) is fixed in the tail rotor power module bin (134).

2. The modular model helicopter structure of claim 1, wherein: screw holes (71) are formed in the end face of at least one end of the assembly column (7), screw through holes (137) communicated with the assembly slotted holes (135) are formed in the surface of the main machine body (11) or the auxiliary machine body (12) and located at corresponding positions of the assembly slotted holes (135), and accordingly the main machine body (11), the auxiliary machine body (12), the main power module (4), the control module (5) and the power module (6) are fixed relatively through screws.

3. The modular model helicopter structure of claim 2, wherein: the main power module (4) comprises a main power bracket (41), a main gear (42), a main motor (43) and a servo module (44), wherein the main gear (42), the main motor (43) and the servo module (44) are arranged on the main power bracket (41), a plurality of assembly columns (7) are arranged on the main power bracket (41), a limiting part (411) for limiting the main rotor module (3) is arranged on the main power bracket (41), a limiting hole (412) is arranged on the limiting part (411), a limiting boss (331) is arranged on the main rotor module (3), the limiting boss (331) is arranged in the limiting hole (412), an inclined disc avoiding space (413) is arranged on the main power bracket (41), the main gear (42) is arranged at the lower end of the main power bracket (41), the center of the main gear (42) and the center of the limiting hole (412) are arranged on the same straight line, and a transmission gear meshed with the main gear (42) is arranged on an output shaft of the main motor (43).

4. A modular model helicopter structure according to claim 3, characterized in that: main rotor module (3) are including main rotor (31), rotating head (33), tilting disk (34), and tilting disk (34) are passed in the transmission shaft on rotating head (33), and tilting disk (34) set up in tilting disk dodges space (413), and spacing boss (331) set up the lower extreme at rotating head (33), and the transmission shaft on rotating head (33) passes main power support (41) and is connected with main gear (42) to realize spacing main rotor module (3) through spacing boss (331) and main gear (42).

5. The modular model helicopter structure of claim 4, wherein: the control module (5) comprises a control board (51) and a control board mounting board (52), wherein the control board (51) is fixed on the control board mounting board (52), and the assembly column (7) is arranged on the control board mounting board (52).

6. The modular model helicopter structure of claim 5, wherein: the power module (6) comprises a battery (61) and a battery compartment cover (62), cover plate holes (1331) are formed in the bottoms of the main machine body (11) and the auxiliary machine body (12) and correspond to the positions of the power module compartment (133), one end of the battery compartment cover (62) is provided with a connecting portion (63), the connecting portion (63) and the battery compartment cover (62) form an L shape, the assembling column (7) is arranged on the connecting portion (63), and after the battery compartment cover (62) is inserted into an assembling slot hole (135) in the power module compartment (133) through the assembling column (7), the battery compartment cover (62) can rotate.

7. The modular model helicopter structure of claim 6, wherein: the power module bin (133) is communicated with the main power module bin (131), the connecting part (63) is arranged at one end of the battery bin cover (62) far away from the main power module (4), a first clamping hook (418) and a second clamping hook (64) are respectively arranged at one end of the main power bracket (41) opposite to the battery bin cover (62), and the battery bin cover (62) is clamped with the first clamping hook (418) through the second clamping hook (64) to fix the battery bin cover (62).

8. The modular model helicopter structure of claim 7, wherein: the tail rotor power module (2) comprises a tail rotor (21), a tail motor (22) and a tail motor support (23), wherein the tail motor support (23) is inserted into and fixed in a tail rotor power module bin (134), and the tail motor (22) is fixed in the tail motor support (23).

9. The modular model helicopter structure according to any of claims 1-8, wherein: the auxiliary machine body (12) comprises an auxiliary machine body (121), an auxiliary tail beam tail wing body (122), a main power module bin (131), a control module bin (132) and a power module bin (133) which are arranged on the auxiliary machine body (121), and a tail rotor power module bin (134) which is arranged on the auxiliary tail beam tail wing body (122).

10. The modular model helicopter structure of claim 9, wherein: be equipped with grafting structure between auxiliary fuselage (121) and auxiliary tail boom fin body (122), grafting structure includes fuselage jack-in groove (123), with fuselage jack-in groove (123) looks adaptation grafting portion (124), be equipped with first connecting hole (125) that the position is relative respectively on fuselage jack-in groove (123), grafting portion (124), second connecting hole (126), after auxiliary fuselage (121) splice with auxiliary tail boom fin body (122), first connecting hole (125) set up on same straight line with second connecting hole (126), be equipped with on host computer body (11) with first connecting hole (125), organism spliced pole (111) that second connecting hole (126) position is relative, organism spliced pole (111) insert in first connecting hole (125), second connecting hole (126), be equipped with the screw on organism spliced pole (111) in order to be connected fixed auxiliary fuselage (121), auxiliary tail boom body (122) and host computer body (11) through the screw.