Connecting structure of aircraft wing, motor fixing rod and vertical fin

By using bolts and threaded holes to connect the structure, combined with a reinforcing structure and positioning device, the problem of inconvenient disassembly and maintenance caused by welding between the aircraft wing and vertical tail and the motor mounting rod was solved, achieving convenient disassembly and stable connection.

CN223778546UActive Publication Date: 2026-01-09ZHEJIANG SOFU AVIATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520327300.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-09
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

In existing technology, the aircraft wings and vertical tail are installed with the motor mounting rod by welding, which makes subsequent disassembly and maintenance work inconvenient.

Method used

The structure employs a bolt and threaded hole connection. Bolts pass through through holes and are screwed into threaded holes to connect the wings and vertical tail to the motor mounting rods. Reinforcing structures such as rings and nuts enhance connection stability. Combined with the positioning effect of springs and balls, it enables disassembly and maintenance.

Benefits of technology

It enables convenient disassembly and installation of the wings and vertical tail, enhances the stability of the connection, avoids the risk of detachment, and provides convenient maintenance conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connecting structure of an aircraft wing, a motor fixing rod and a vertical fin, relates to the technical field of aircrafts, and aims to solve the problem that follow-up disassembly and maintenance work is affected due to the fact that the aircraft wing, the aircraft vertical fin and the motor fixing rod are installed in a welding mode at present. The unmanned aerial vehicle comprises a motor fixing rod, a wing and a vertical fin, a front fixing seat is installed on the motor fixing rod, a front connecting plate is installed on the wing, the front fixing seat and the front connecting plate are connected through a fixing piece, a rear fixing seat is installed on the motor fixing rod, a rear connecting plate is installed on the wing, and the front fixing seat and the rear connecting plate are connected through a fixing piece. The rear fixing seat is connected with the rear connecting plate through a fixing piece; a tail end connecting piece is installed on the tail portion of the motor fixing rod, an installation groove is formed in the vertical fin, a through hole is formed in the installation groove, and a threaded hole is formed in the tail end connecting piece.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aircraft, specifically a kind of aircraft wing-motor fixed rod-vertical tail three connection structure. BACKGROUND

[0002] Aircraft refers to the aircraft with wing and one or more engines, by self-power can fly in atmosphere of heavier than air. Aircraft is one of the most important inventions in the 20th century, recognized by American Wright brothers invention;

[0003] And aircraft includes aircraft wing, motor fixed rod, aircraft vertical tail and so on three parts, and the aircraft wing and aircraft vertical tail and motor fixed rod between current welding mode installation, influence subsequent disassembly maintenance work problem. SUMMARY

[0004] In view of prior art's insufficient, the utility model discloses a kind of aircraft wing-motor fixed rod-vertical tail three connection structures, to solve the problem that current aircraft wing and aircraft vertical tail and motor fixed rod between welding mode installation, influence subsequent disassembly maintenance work in above background technique.

[0005] The utility model solves the technical scheme that the technical problem thereof adopts: a kind of aircraft wing-motor fixed rod-vertical tail three connection structures, including motor fixed rod, wing and vertical tail, the motor fixed rod is installed with front fixed seat, the wing is installed with front connecting plate, the front fixed seat is connected between front connecting plate by fixed part, the motor fixed rod is installed with rear fixed seat, the wing is installed with rear connecting plate, the rear fixed seat is connected between rear connecting plate by fixed part;

[0006] The tail of the motor fixed rod is installed with end connecting piece, the vertical tail is set up with installation slot, the installation slot is set up with through-hole, the end connecting piece is set up with threaded hole, the end connecting piece is placed in installation slot, the through-hole is stretched into bolt, the bolt is sleeved in threaded hole.

[0007] Preferably, the fixed part is a connecting structure, the number of the connecting structure is not less than two, and the connecting structure includes a screw and a nut.

[0008] More than two mounting holes are formed in the front fixed seat, more than two mounting holes are formed in the front connecting plate, more than two mounting holes are formed in the rear fixed seat, more than two mounting holes are formed in the rear connecting plate, the screw is inserted into the mounting hole, and the nut is sleeved on the screw.

[0009] Preferably, a reinforcing structure is arranged between the screw and the nut, the reinforcing structure corresponds to the screw one by one, and the reinforcing structure comprises a circular ring, a horizontal hole, a threaded rod and a nut.

[0010] The two sides of the circular ring are respectively provided with the horizontal hole, the screw is provided with the horizontal hole, the circular ring is sleeved on the screw, the threaded rod passes through the horizontal hole, and the nut is sleeved on the threaded rod.

[0011] Preferably, the top of the nut is provided with a limiting groove on each side, and the two sides of the contact surface of the circular ring are provided with the limiting block.

[0012] Preferably, a reserved groove is arranged in the mounting groove, a long rib structure is arranged in the reserved groove, the long rib structure comprises a connecting long rib, an upper connecting rib and a lower connecting rib, the connecting long rib is arranged in the reserved groove, the upper connecting rib is arranged in the reserved groove, the lower connecting rib is arranged in the reserved groove, a through hole is arranged in the connecting long rib, and the end connecting piece is arranged between the upper connecting rib and the lower connecting rib.

[0013] Preferably, a groove is arranged in the connecting long rib, a spring is arranged in the groove, a ball is arranged on the spring, and an arc-shaped groove is arranged in the end connecting piece.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. By using external installation equipment, the front connecting plate and the rear connecting plate on the wing are correspondingly fixed on the front fixed seat and the rear fixed seat on the motor fixed rod, the wing is connected and installed on the motor fixed rod by using the fixing piece, at the same time, the mounting groove on the vertical tail is sleeved on the end connecting piece on the motor fixed rod, the bolt is inserted into the through hole and screwed into the threaded hole, the vertical tail is connected and installed on the motor fixed rod, and can be respectively disassembled and maintained, thereby bringing convenience for use.

[0016] 2. After the nut is connected to the screw, by using external equipment, the corresponding circular ring can be sleeved on the corresponding screw, the limiting block is clamped into the limiting groove, the threaded rod is inserted into the horizontal hole from one end, the nut is screwed on the threaded rod, the connection between the screw and the nut is strengthened, the wing is more firmly installed on the motor fixed rod, and the risk of falling off is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is a structural schematic view of the disassembled parts of the utility model.

[0019] Figure 3 It is a disassembling and assembling structural schematic view of the front fixed seat and the front connecting plate.

[0020] Figure 4 Figure 2 is a disassembly and assembly structure diagram of the rear fixing seat and the rear connecting plate of the utility model.

[0021] Figure 5 Figure 3 is a structure diagram of the ring, the transverse hole and the limiting block of the utility model.

[0022] Figure 6 Figure 4 is a structure diagram of the screw, the nut and the ring of the utility model.

[0023] Figure 7 Figure 5 is a structure diagram of the groove, the spring and the ball of the utility model.

[0024] Figure 6 is a structure diagram of the utility model, and the utility model discloses a kind of airplane wing-motor fixed rod-vertical tail three connection structures, including motor fixed rod 1, wing 2 and vertical tail 5, motor fixed rod 1 is equipped with front fixing seat 7, wing 2 is equipped with front connecting plate 9, and front fixing seat 7 is connected between front connecting plate 9 by fixing piece, motor fixed rod 1 is equipped with rear fixing seat 8, wing 2 is equipped with rear connecting plate 10, and rear fixing seat 8 is connected between rear connecting plate 10 by fixing piece, rear fixing seat 8 is equipped with connecting long rib 11, and connecting long rib 11 is equipped with upper connecting rib 12 and lower connecting rib 13, and connecting long rib 11 is equipped with preformed slot 14, connecting long rib 11 is equipped with through hole 15, connecting long rib 11 is equipped with threaded hole 16, connecting long rib 11 is equipped with bolt 17, connecting long rib 11 is equipped with groove 18, connecting long rib 11 is equipped with spring 19, connecting long rib 11 is equipped with ball 20, connecting long rib 11 is equipped with arc-shaped slot 21, connecting long rib 11 is equipped with reinforcing structure 22, connecting long rib 11 is equipped with ring 23, connecting long rib 11 is equipped with transverse hole 24, connecting long rib 11 is equipped with threaded rod 25, connecting long rib 11 is equipped with nut 26, connecting long rib 11 is equipped with limiting slot 27, and connecting long rib 11 is equipped with limiting block 28. DETAILED DESCRIPTION

[0025] The utility model is further described below in combination with specific embodiments, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0026] The components of the utility model are all general standard components or components known by those skilled in the art, and their structures and principles can be known by the technical personnel through technical manual or obtained through conventional experimental methods.

[0027] Referring to Figures 1-7 Figure 1 is a structure diagram of the utility model, and the utility model discloses a kind of airplane wing-motor fixed rod-vertical tail three connection structures, including motor fixed rod 1, wing 2 and vertical tail 5, motor fixed rod 1 is equipped with front fixing seat 7, wing 2 is equipped with front connecting plate 9, and front fixing seat 7 is connected between front connecting plate 9 by fixing piece, motor fixed rod 1 is equipped with rear fixing seat 8, wing 2 is equipped with rear connecting plate 10, and rear fixing seat 8 is connected between rear connecting plate 10 by fixing piece, rear fixing seat 8 is equipped with connecting long rib 11, and connecting long rib 11 is equipped with upper connecting rib 12 and lower connecting rib 13, and connecting long rib 11 is equipped with preformed slot 14, connecting long rib 11 is equipped with through hole 15, connecting long rib 11 is equipped with threaded hole 16, connecting long rib 11 is equipped with bolt 17, connecting long rib 11 is equipped with groove 18, connecting long rib 11 is equipped with spring 19, connecting long rib 11 is equipped with ball 20, connecting long rib 11 is equipped with arc-shaped slot 21, connecting long rib 11 is equipped with reinforcing structure 22, connecting long rib 11 is equipped with ring 23, connecting long rib 11 is equipped with transverse hole 24, connecting long rib 11 is equipped with threaded rod 25, connecting long rib 11 is equipped with nut 26, connecting long rib 11 is equipped with limiting slot 27, and connecting long rib 11 is equipped with limiting block 28.

[0028] The tail of the motor fixing rod 1 is provided with a terminal connecting piece 3, the vertical tail 5 is provided with a mounting groove 6, the mounting groove 6 is provided with a through hole 15, the terminal connecting piece 3 is provided with a threaded hole 16, the terminal connecting piece 3 is arranged in the mounting groove 6, the bolt 17 is arranged in the through hole 15, and the bolt 17 is sleeved in the threaded hole 16.

[0029] It should be noted that in the embodiment, the motor fixing rod 1 is an actual fuselage, the front fixing seat 7 and the rear fixing seat 8 are both bolted on the motor fixing rod 1, and the number of bolted connections is determined according to the actual situation. Figure 3 According to the drawings, Figure 4 It can be seen that the front fixing seat 7 and the rear fixing seat 8 are both provided with holes, and threaded grooves are arranged at positions corresponding to the holes on the motor fixing rod 1, and the fixing pieces are detachable parts, such as screws and the like.

[0030] Specifically, in use, external installation equipment (cranes, mechanical arms, and the like installation or disassembly tools) is used to correspond the front connecting plate 9 and the rear connecting plate 10 on the wing 2 to the front fixing seat 7 and the rear fixing seat 8 on the motor fixing rod 1, and the wing 2 is connected and installed on the motor fixing rod 1 by using the fixing pieces, at the same time, the mounting groove 6 on the vertical tail 5 is sleeved on the terminal connecting piece 3 on the motor fixing rod 1, the bolt 17 is arranged in the through hole 15 and screwed into the threaded hole 16, and the vertical tail 5 is connected and installed on the motor fixing rod 1, and can be respectively disassembled and maintained, thereby bringing convenience to use.

[0031] The fixing piece is a connecting structure 4, the number of the connecting structure 4 is not less than two, and the connecting structure 4 includes a screw 401 and a nut 402.

[0032] The front fixing seat 7 is provided with not less than two mounting holes, the front connecting plate 9 is provided with not less than two mounting holes, the rear fixing seat 8 is provided with not less than two mounting holes, the rear connecting plate 10 is provided with not less than two mounting holes, the screw 401 is arranged in the mounting hole, and the nut 402 is sleeved on the screw 401.

[0033] A reinforcing structure 22 is arranged between the screw 401 and the nut 402, the reinforcing structure 22 corresponds to the screw 401 one by one, and the reinforcing structure 22 includes a ring 23, a horizontal hole 24, a threaded rod 25, and a nut 26.

[0034] The two sides of the ring 23 are respectively provided with the horizontal hole 24, the screw 401 is provided with the horizontal hole 24, the ring 23 is sleeved on the screw 401, the threaded rod 25 passes through the horizontal hole 24, and the nut 26 is sleeved on the threaded rod 25.

[0035] The two sides of the top end of the nut 402 are respectively provided with a limiting groove 27, and the two sides of the contact surface of the ring 23 and the nut 402 are respectively provided with a limiting block 28.

[0036] It should be noted that in this embodiment, the size of the circular ring 23 is consistent with the size of the nut 402, and the internal size is close. The position of the limiting block 28 and the limiting groove 27 is set so that when the limiting block 28 on the circular ring 23 is clamped into the limiting groove 27 on the nut 402, the horizontal hole 24 on both sides of the circular ring 23 is on the same horizontal line as the horizontal hole 24 on the screw 401.

[0037] Specifically, in use, after the nut 402 is connected to the screw 401, the corresponding circular ring 23 can be sequentially sleeved outside the corresponding screw 401 using external equipment, and the limiting block 28 is clamped into the limiting groove 27. Then, the threaded rod 25 is passed through the horizontal hole 24 from one end, the nut 26 is screwed on the threaded rod 25, the connection between the screw 401 and the nut 402 is strengthened, the wing 2 is more firmly installed on the motor fixing rod 1, and the risk of falling is avoided.

[0038] A reserved slot 14 is provided in the mounting slot 6, and a long rib structure is placed in the reserved slot 14. The long rib structure includes a connecting long rib 11, an upper connecting rib 12, and a lower connecting rib 13. The connecting long rib 11 is placed in the reserved slot 14, the upper connecting rib 12 is placed in the reserved slot 14, and the lower connecting rib 13 is placed in the reserved slot 14. A through hole 15 is provided on the connecting long rib 11, and the end connecting piece 3 is placed between the upper connecting rib 12 and the lower connecting rib 13.

[0039] A recess 18 is provided on the connecting long rib 11, a spring 19 is installed in the recess 18, a spherical ball 20 is installed on the spring 19, and an arc-shaped groove 21 is provided on the end connecting piece 3.

[0040] It should be noted that in this embodiment, the shape of the reserved slot 14 is consistent with the shape of the combination of the connecting long rib 11, the upper connecting rib 12, and the lower connecting rib 13. The vertical tail 5 is divided into two parts, and the long rib structure is placed in the reserved slot 14. Then, the vertical tail 5 is assembled by bolting, and the connection position is sealed by external sealing elements. Figure 7 The spring 19 in the embodiment is in the original state.

[0041] Specifically, in use, during installation, the mounting slot 6 on the vertical tail 5 is sleeved outside the end connecting piece 3, and the end connecting piece 3 is placed between the upper connecting rib 12 and the lower connecting rib 13. At this time, the spherical ball 20 on the spring 19 in the recess 18 is placed in the arc-shaped groove 21 on the end connecting piece 3, which has a positioning effect. Then, the bolt 17 is passed through the through hole 15 on the vertical tail 5 and the connecting long rib 11, and is screwed into the threaded hole 16, so that the vertical tail 5 is installed on the end connecting piece 3 of the motor fixing rod 1.

[0042] By connecting the parts in this case in sequence, the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is a known technology in the art. The following mainly introduces the working principle and process.

[0043] The working process and working principle of the utility model: when using, use external installation equipment (crane, mechanical arm installation or dismounting tool) to correspond the front connecting plate 9 and rear connecting plate 10 on the wing 2 with the front fixed seat 7 and rear fixed seat 8 on the motor fixed rod 1, through the cooperation of screw 401 and nut 402, the wing 2 is connected and installed on the motor fixed rod 1, using external equipment, the corresponding ring 23 can be sequentially sleeved outside the corresponding screw 401, and the limiting block 28 is clamped into the limiting groove 27, then the threaded rod 25 is passed through the horizontal hole 24 from one end, the nut 26 is screwed on the threaded rod 25, the connection between the screw 401 and nut 402 is strengthened, the wing 2 is more firmly installed on the motor fixed rod 1, the risk of falling off is avoided, at the same time, the mounting groove 6 on the vertical tail 5 can be sleeved on the end connecting piece 3 on the motor fixed rod 1, and the end connecting piece 3 is arranged between the upper connecting rib 12 and the lower connecting rib 13, at this time, the ball 20 on the spring 19 in the recess 18 is arranged in the arc-shaped groove 21 on the end connecting piece 3, the effect is positioning effect, then the bolt 17 is passed through the through hole 15 on the vertical tail 5 and the connecting long rib 11 and is screwed into the threaded hole 16, the vertical tail 5 is installed on the end connecting piece 3 on the motor fixed rod 1, and can be respectively disassembled and maintained, convenience is brought to use.

[0044] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connection structure for an aircraft wing-motor mounting rod-vertical tail, comprising a motor mounting rod (1), a wing (2), and a vertical tail (5), characterized in that: A front fixing seat (7) is installed on the motor fixing rod (1), and a front connecting plate (9) is installed on the wing (2). The front fixing seat (7) and the front connecting plate (9) are connected by a fastener. A rear fixing seat (8) is installed on the motor fixing rod (1), and a rear connecting plate (10) is installed on the wing (2). The rear fixing seat (8) and the rear connecting plate (10) are connected by a fastener. The motor fixing rod (1) is equipped with an end connector (3) at its tail. The vertical tail (5) is provided with an installation groove (6). The installation groove (6) is provided with a through hole (15). The end connector (3) is provided with a threaded hole (16). The end connector (3) is placed in the installation groove (6). A bolt (17) extends into the through hole (15). The bolt (17) is fitted into the threaded hole (16).

2. The connection structure of aircraft wing-motor fixing rod-vertical tail according to claim 1, characterized in that: The fastener is a connecting structure (4), and there are no fewer than two connecting structures (4). The connecting structure (4) includes a screw (401) and a nut (402). The front fixing seat (7) has at least two mounting holes, the front connecting plate (9) has at least two mounting holes, the rear fixing seat (8) has at least two mounting holes, the rear connecting plate (10) has at least two mounting holes, the screw (401) passes into the mounting hole, and the nut (402) is fitted onto the screw (401).

3. The connection structure of aircraft wing-motor fixing rod-vertical tail according to claim 2, characterized in that: A reinforcing structure (22) is installed between the screw (401) and the nut (402). The reinforcing structure (22) corresponds one-to-one with the screw (401). The reinforcing structure (22) includes a ring (23), a transverse hole (24), a threaded rod (25), and a nut (26). The ring (23) has horizontal holes (24) on both sides, the screw (401) has horizontal holes (24), the ring (23) is fitted onto the screw (401), the threaded rod (25) passes through the horizontal holes (24), and the nut (26) is fitted onto the threaded rod (25).

4. The connection structure of aircraft wing-motor fixing rod-vertical tail according to claim 3, characterized in that: Limiting grooves (27) are provided on both sides of the top of the nut (402), and limiting blocks (28) are provided on both sides of the contact surface between the ring (23) and the nut (402).

5. The connection structure of aircraft wing-motor fixing rod-vertical tail according to claim 1, characterized in that: The mounting groove (6) is provided with a reserved groove (14), and a long rib structure is placed in the reserved groove (14). The long rib structure includes a connecting long rib (11), an upper connecting rib (12) and a lower connecting rib (13). The connecting long rib (11) is placed in the reserved groove (14), the upper connecting rib (12) is placed in the reserved groove (14), and the lower connecting rib (13) is placed in the reserved groove (14). A through hole (15) is provided on the connecting long rib (11), and the end connector (3) is placed between the upper connecting rib (12) and the lower connecting rib (13).

6. The connection structure of aircraft wing-motor fixing rod-vertical tail according to claim 5, characterized in that: The connecting rib (11) has a groove (18), a spring (19) is installed in the groove (18), a ball (20) is installed on the spring (19), and an arc groove (21) is provided on the end connector (3).