CN216102743U - Aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle - Google Patents
Aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle Download PDFInfo
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- CN216102743U CN216102743U CN202122992830.5U CN202122992830U CN216102743U CN 216102743 U CN216102743 U CN 216102743U CN 202122992830 U CN202122992830 U CN 202122992830U CN 216102743 U CN216102743 U CN 216102743U
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Abstract
The utility model discloses a machine head and machine body connecting structure of a duck-type layout unmanned aerial vehicle, which comprises a machine head and a machine body, wherein a machine head end plate and a machine body end plate are respectively arranged on opposite surfaces of the machine head and the machine body; a plurality of second round holes correspondingly matched with the plurality of groove structures are formed in the machine body end plate, the inner side face of the machine body end plate corresponding to the second round holes is fixedly connected with a machine body metal piece, the machine body metal piece comprises a sleeve, and the front end of the sleeve penetrates through the second round holes; the front end of a threaded pipe of the machine head metal piece is inserted into the front end of a sleeve of the machine body metal piece; the utility model provides enough connection strength and rigidity for the connection part of the machine head and the machine body, thereby improving the connection reliability between the machine head and the machine body, and the machine head and the machine body can be quickly disassembled and assembled and are convenient to transport and store.
Description
Technical Field
The utility model relates to a machine head and machine body connecting structure of a duck-type layout unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicles.
Background
The vertical take-off and landing fixed wing unmanned aerial vehicle generally has fixed wings and multiple rotors, wherein the fixed wings positioned at the front end of a vehicle body are generally arranged in a duck shape, the vertical take-off and landing fixed wing unmanned aerial vehicle integrates the advantages of the multiple rotors and the fixed wings, has the advantages of large load, long endurance, high speed and capability of vertical take-off and landing, and is widely applied in the field of unmanned aerial vehicles at present; the traditional vertical take-off and landing fixed wing unmanned aerial vehicle is provided with a body end plate on the front end face of a body, a front body cover is arranged on the top of the body close to the front end of the body, the head end plate is arranged at the connecting end of a machine head and the body, and the body end plate and the head end plate are detachably connected through a plurality of screws; the front machine body cover at the top of the machine body is opened, so that a plurality of screws for connecting the machine body end plate and the machine head end plate can be operated, and the machine body and the machine head can be disassembled and assembled; however, the connection reliability of the connection mode is low, and the connection strength and the rigidity between the machine head and the machine body are not enough after the connection.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a connecting structure of a machine head and a machine body of a duck-type layout unmanned aerial vehicle, which provides enough connecting strength and rigidity for the connecting part of the machine head and the machine body, further improves the connecting reliability between the machine head and the machine body, and can realize quick assembly and disassembly between the machine head and the machine body, and is convenient to transport and store.
In order to achieve the above object, the present invention adopts the following technical solutions:
a machine head and machine body connecting structure of a duck-type layout unmanned aerial vehicle comprises a machine head and a machine body, wherein a machine head end plate and a machine body end plate are respectively arranged on opposite surfaces of the machine head and the machine body, a plurality of groove structures sunken towards the interior of the machine head are uniformly and circumferentially arranged on the machine head end plate, a machine head metal part is fixedly connected to the inner side surface of each groove structure, the machine head metal part comprises a threaded pipe, a first round hole is formed in the inner bottom of each groove structure, and the front end of the threaded pipe penetrates through the first round hole; a plurality of second circular holes correspondingly matched with the plurality of groove structures are formed in the machine body end plate, a machine body metal part is fixedly connected to the inner side face of the machine body end plate corresponding to the second circular holes, the machine body metal part comprises a sleeve, and the front end of the sleeve penetrates through the second circular holes; the front end of the threaded pipe of the machine head metal piece is inserted into the front end of the sleeve of the machine body metal piece, and the rear end of the sleeve of the machine body metal piece is inserted with a bolt which is in threaded connection with the threaded pipe of the machine head metal piece.
As a further preferred aspect of the present invention, a flange structure is provided at the rear end of the threaded pipe, and the head metal piece is fixedly connected to the inner side surface of the groove structure through the flange structure provided at the rear end of the threaded pipe; the stability and the reliability of the connection of the head metal piece and the head end plate are improved.
As a further preference of the utility model, the flange structure arranged at the rear end of the threaded pipe is fixedly connected with the groove structure through a round-head blind rivet; avoid loosening and leading to aircraft nose metalwork and aircraft nose end plate to take place to break away from to have detachability.
As a further preferred aspect of the present invention, the flange structure provided at the rear end of the threaded pipe is provided with a limiting protrusion on a surface facing the groove structure, and the inner side surface of the groove structure is provided with a limiting groove correspondingly matched with the limiting protrusion; the machine head metal piece has a positioning function and is convenient to install in place quickly and accurately.
As a further preferred aspect of the present invention, a flange structure is provided at the rear end of the sleeve, the machine body metal part is fixedly connected to the inner side surface of the machine body end plate through the flange structure provided at the rear end of the sleeve, and a through hole for passing a bolt is provided in the flange structure provided at the rear end of the sleeve; the stability and the reliability of the connection of the machine body metal piece and the machine body end plate are improved.
As a further preferred option of the utility model, the flange structure arranged at the rear end of the sleeve is fixedly connected with the end plate of the machine body through round-head blind rivets; the machine body metal part is prevented from being separated from the machine body end plate due to looseness, and the machine body metal part is detachable.
As a further preferred aspect of the present invention, the flange structure provided at the rear end of the sleeve is provided with a limiting protrusion on a surface facing the body end plate, and a limiting groove correspondingly matched with the limiting protrusion is provided on an inner side surface of the body end plate; the metal part of the machine body has a positioning function, and is convenient to install in place quickly and accurately.
As a further preference of the present invention, the diameter of the through hole is smaller than the inner diameter of the sleeve; the use of the gasket piece is reduced, and the gasket piece is prevented from being sleeved on the screw rod of the bolt.
As a further preference of the utility model, the length of the front end of the sleeve penetrating out of the second round hole is less than or equal to the depth of the groove structure; avoid forming great gap after connecting between aircraft nose and the fuselage.
As a further preferable aspect of the present invention, a tapered slope structure is formed on an outer circumferential surface of a front end of the threaded pipe, and a tapered groove structure is formed on an inner circumferential surface of a front end of the sleeve; the guiding function is realized when the front end of the threaded pipe is inserted into the front end of the sleeve.
The utility model has the advantages that:
when the machine head metal piece and the machine body metal piece are installed, the machine head metal piece and the machine body metal piece are in one-to-one correspondence, and the front end of a threaded pipe of the machine head metal piece is inserted into the front end of a sleeve of the machine body metal piece to realize opposite insertion positioning; the bolt enters the interior of the machine body from a front machine body cover opening of the machine body, the bolt is inserted from the rear end of the sleeve of the machine body metal piece from the interior of the machine body, and the bolt is screwed up clockwise by using a tool after being in threaded connection with the threaded pipe of the machine head metal piece; during disassembly, a tool enters the interior of the machine body from a cover opening of the front machine body of the machine body, the bolt is unscrewed anticlockwise and taken out, and then the machine head is separated from the machine body; the machine head metal piece and the machine body metal piece are matched together to provide enough connection strength and rigidity for the connection position of the machine head and the machine body, so that the connection reliability between the machine head and the machine body is improved, and meanwhile, the quick assembly and disassembly between the machine head and the machine body are realized, so that the transportation and the storage are convenient.
Drawings
FIG. 1 is a schematic view of a nose end configuration of the present invention;
FIG. 2 is a schematic illustration of the fuselage end configuration of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a connection part of a machine head and a machine body in practical application of the present invention;
the meaning of the reference symbols in the figures:
1-machine head, 2-machine body, 3-groove structure, 4-screwed pipe, 5-round hole I, 6-round hole II, 7-sleeve, 8-bolt, 9-flange structure, 10-round head self-plugging rivet, 11-machine head end plate, 12-machine body end plate, 13-limiting bulge and 14-front machine body cover.
Detailed Description
The utility model is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1-3, the present embodiment is a connection structure of a machine head and a machine body of an unmanned aerial vehicle with a duck-type layout, and the connection structure includes a machine head 1 and a machine body 2, a machine head end plate 11 and a machine body end plate 12 are respectively arranged on opposite surfaces of the machine head 1 and the machine body 2, three groove structures 3 recessed towards the interior of the machine head 1 are uniformly and circumferentially arranged on the machine head end plate 11, a machine head metal part is fixedly connected to the inner side surface of the groove structures 3, the machine head metal part includes a threaded pipe 4, a circular hole one 5 is arranged at the inner bottom of the groove structures 3, and the front end of the threaded pipe 4 passes through the circular hole one 5; three circular holes II 6 correspondingly matched with the three groove structures 3 are formed in the machine body end plate 12, a machine body metal part is fixedly connected to the inner side face of the machine body end plate 12 corresponding to the circular holes II 6, the machine body metal part comprises a sleeve 7, and the front end of the sleeve 7 penetrates through the circular holes II 6; the front end of a threaded pipe 4 of the machine head metal piece is inserted into the front end of a sleeve 7 of the machine body metal piece, a bolt 8 is inserted into the rear end of the sleeve 7 of the machine body metal piece, and the bolt 8 is in threaded connection with the threaded pipe 4 of the machine head metal piece; in practical application, a plurality of groove structures 3 recessed towards the inside of the machine head 1 can be uniformly and circumferentially arranged on the machine head end plate 11, and a plurality of circular holes two 6 correspondingly matched with the groove structures 3 are arranged on the machine body end plate 12.
In the embodiment, the flange structure 9 is arranged at the rear end of the threaded pipe 4, and the machine head metal piece is fixedly connected with the inner side surface of the groove structure 3 through the flange structure 9 arranged at the rear end of the threaded pipe 4; the stability and the reliability of the connection between the machine head metal piece and the machine head end plate 11 are improved; a flange structure 9 arranged at the rear end of the threaded pipe 4 is fixedly connected with the groove structure 3 through a round-head self-plugging rivet 10; the head metal piece is prevented from being separated from the head end plate 11 due to looseness, and the head metal piece is detachable.
In the embodiment, the flange structure 9 is arranged at the rear end of the sleeve 7, the machine body metal part is fixedly connected with the inner side surface of the machine body end plate 12 through the flange structure 9 arranged at the rear end of the sleeve 7, and the flange structure 9 arranged at the rear end of the sleeve 7 is provided with a through hole for the bolt 8 to pass through; the stability and the reliability of the connection between the machine body metal part and the machine body end plate 12 are improved; a flange structure 9 arranged at the rear end of the sleeve 7 is fixedly connected with a machine body end plate 12 through a round head blind rivet 10; the separation of the metal part of the machine body from the end plate 12 of the machine body caused by the looseness is avoided, and the machine body is detachable; the inside of the groove structure 3 is used for accommodating a nail cap of the round-head blind rivet 10; the round-head blind rivets 10 on the nose end plate 11 and the round-head blind rivets 10 on the body end plate 12 are arranged in a staggered manner, i.e., not in an aligned manner.
In this embodiment, the diameter of the through hole is smaller than the inner diameter of the sleeve 7; the use of washer pieces is reduced, and the washer pieces are prevented from being sleeved on the screw rod of the bolt 8; the length of the front end of the sleeve 7 penetrating out of the round hole II 6 is equal to the depth of the groove structure 3; of course, the length of the front end of the sleeve 7 after penetrating through the round hole II 6 can also be smaller than the depth of the groove structure 3; a large gap is avoided from being formed between the machine head 1 and the machine body 2 after connection; a conical slope surface structure is formed on the outer circumferential surface of the front end of the threaded pipe 4, and a conical groove structure is formed on the inner circumferential surface of the front end of the sleeve 7; the front end of the threaded pipe 4 is inserted into the front end of the sleeve 7 to achieve a guiding effect.
In practical application, a limiting bulge 13 is arranged on the surface, facing the groove structure 3, of the flange structure 9 arranged at the rear end of the threaded pipe 4, and a limiting groove correspondingly matched with the limiting bulge 13 is arranged on the inner side surface of the groove structure 3; the head metal piece has a positioning function, and is convenient to mount in place quickly and accurately; a limiting bulge 13 is arranged on the surface of the flange structure 9 arranged at the rear end of the sleeve 7 facing the machine body end plate 12, and a limiting groove correspondingly matched with the limiting bulge 13 is arranged on the inner side surface of the machine body end plate 12; the metal part of the machine body has a positioning function, and is convenient to install in place quickly and accurately.
When the machine head metal piece and the machine body metal piece are installed in the embodiment, the machine head metal piece and the machine body metal piece are in one-to-one correspondence, and the front end of the threaded pipe 4 of the machine head metal piece is inserted into the front end of the sleeve 7 of the machine body metal piece to realize opposite insertion positioning; the bolt 8 enters the interior of the machine body 2 from a front machine body cover 14 opening of the machine body 2, the bolt 8 is inserted from the rear end of a sleeve 7 of a machine body metal piece from the interior of the machine body 2, and the bolt 8 is screwed up clockwise by a tool after the bolt 8 is in threaded connection with a threaded pipe 4 of the machine head metal piece; during disassembly, a tool enters the machine body 2 from the opening of the front machine body cover 14 of the machine body 2, the bolt 8 is unscrewed anticlockwise and taken out, and then the machine head 1 is separated from the machine body 2; the machine head metal piece and the machine body metal piece are matched together to provide enough connection strength and rigidity for the connection part of the machine head 1 and the machine body 2, so that the connection reliability between the machine head 1 and the machine body 2 is improved, and meanwhile, the quick assembly and disassembly between the machine head 1 and the machine body 2 are realized, so that the transportation and the storage are convenient.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "a" and "an" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed unless otherwise explicitly stated or limited; can be mechanically or electrically connected; the two elements can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside; the specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The foregoing shows and describes the general principles, principal features and advantages of the utility model; it should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. The utility model provides a duck formula overall arrangement unmanned aerial vehicle's aircraft nose and fuselage connection structure, its characterized in that: the machine head comprises a machine head and a machine body, wherein a machine head end plate and a machine body end plate are respectively arranged on opposite surfaces of the machine head and the machine body, a plurality of groove structures sunken towards the interior of the machine head are uniformly and circumferentially arranged on the machine head end plate, a machine head metal part is fixedly connected to the inner side surface of each groove structure, each machine head metal part comprises a threaded pipe, a first round hole is formed in the inner bottom of each groove structure, and the front end of each threaded pipe penetrates through the first round hole; a plurality of second circular holes correspondingly matched with the plurality of groove structures are formed in the machine body end plate, a machine body metal part is fixedly connected to the inner side face of the machine body end plate corresponding to the second circular holes, the machine body metal part comprises a sleeve, and the front end of the sleeve penetrates through the second circular holes; the front end of the threaded pipe of the machine head metal piece is inserted into the front end of the sleeve of the machine body metal piece, and the rear end of the sleeve of the machine body metal piece is inserted with a bolt which is in threaded connection with the threaded pipe of the machine head metal piece.
2. The aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle of claim 1, characterized in that sets up the ring flange structure in the rear end of screwed pipe, the aircraft nose metalwork passes through the ring flange structure that screwed pipe rear end set up and groove structure's medial surface fixed connection.
3. The aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle of claim 2, characterized in that, the ring flange structure and the groove structure that screwed pipe rear end set up pass through button head self-plugging rivet fixed connection.
4. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck formula overall arrangement of claim 2, characterized in that, the ring flange structure that screwed pipe rear end set up is provided with spacing arch towards groove structure's surface, is provided with the spacing recess that corresponds the complex with spacing arch on groove structure's the medial surface.
5. The aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle of claim 1, characterized in that sets up the ring flange structure at telescopic rear end, the fuselage metalwork passes through the ring flange structure that the sleeve rear end set up and fuselage end plate medial surface fixed connection, is provided with the through-hole that supplies the bolt to pass on the ring flange structure that the sleeve rear end set up.
6. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck formula overall arrangement of claim 5, characterized in that, the ring flange structure that the sleeve rear end set up passes through button head self-plugging rivet fixed connection with the fuselage end plate.
7. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck formula overall arrangement of claim 5, characterized in that, the flange structure that the sleeve rear end set up is provided with spacing arch towards the surface of fuselage end plate, is provided with on the fuselage end plate medial surface and corresponds the spacing recess of complex with spacing arch.
8. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck shape configuration of claim 5, wherein the diameter of the through hole is smaller than the inner diameter of the sleeve.
9. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck formula overall arrangement of claim 1, characterized in that, the sleeve front end length after wearing out round hole two is less than or equal to groove structure's degree of depth.
10. The aircraft nose and fuselage connection structure of unmanned aerial vehicle with duck formula overall arrangement of claim 1, characterized in that, the outer periphery of the front end of screwed pipe is formed with toper slope surface structure, telescopic front end inner circle surface is formed with toper groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992830.5U CN216102743U (en) | 2021-12-01 | 2021-12-01 | Aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992830.5U CN216102743U (en) | 2021-12-01 | 2021-12-01 | Aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216102743U true CN216102743U (en) | 2022-03-22 |
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ID=80719129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122992830.5U Active CN216102743U (en) | 2021-12-01 | 2021-12-01 | Aircraft nose and fuselage connection structure of duck formula overall arrangement unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216102743U (en) |
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2021
- 2021-12-01 CN CN202122992830.5U patent/CN216102743U/en active Active
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