CN213323648U - Safety fastener device suitable for unmanned helicopter cabin body is fixed - Google Patents
Safety fastener device suitable for unmanned helicopter cabin body is fixed Download PDFInfo
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- CN213323648U CN213323648U CN202022411408.1U CN202022411408U CN213323648U CN 213323648 U CN213323648 U CN 213323648U CN 202022411408 U CN202022411408 U CN 202022411408U CN 213323648 U CN213323648 U CN 213323648U
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Abstract
The utility model discloses a safety fastener device suitable for fixing an unmanned helicopter cabin, which comprises an upper fastener, a lower fastener, an annular locking fastener and a quick-release pin; the upper fastener is fixedly connected with the upper cabin cover, and the lower fastener is fixedly connected with the main cabin body; through last fastener and several kinds of key structures such as lower fastener, annular locking is detained and quick detach pin spare, the combination assembly can form and fasten the global and a plurality of directions of connecting piece simultaneously, guarantee connecting piece structural reliability and steadiness, satisfied the fixed design requirement in unmanned helicopter cabin body.
Description
Technical Field
The utility model relates to an unmanned helicopter equips technical field, especially relates to a safe fastener device suitable for unmanned helicopter cabin body is fixed.
Background
An unmanned helicopter is a vertical take-off and landing (VTOL) unmanned aerial vehicle flying by radio ground remote control or/and autonomous control, belonging to a rotary wing vehicle in a structural form and a vertical take-off and landing vehicle in a function. In recent decades, along with the research progress of composite materials, power systems, sensors, especially flight control and other technologies, unmanned helicopters have been rapidly developed and are becoming the focus of people's attention.
The unmanned helicopter has unique flight performance and use value. Compared with the existing helicopters, the unmanned helicopters have incomparable superiority in many aspects due to the characteristics of no casualties, small volume, low cost, strong viability and the like. In the civil aspect, the unmanned helicopter has wide application prospects in the aspects of atmosphere monitoring, traffic monitoring, resource exploration, power line detection, forest fire prevention and the like.
Researchers research and design a novel unmanned helicopter system, and the unmanned helicopter system mainly comprises a helicopter body, a control and navigation system, a comprehensive radio system, task load equipment and the like; the helicopter body adopts a split type design and consists of an upper cabin cover and a main cabin body, wherein the joint of the upper cabin cover and the main cabin body is generally fixedly connected by rivets or screws, but the two connection modes can not meet the technical requirements of quick disassembly, safety and reliability; for example, the rivet connection mode cannot realize quick disassembly, and the disassembly is very inconvenient, however, the screw connection mode is also labor-consuming and time-consuming in the disassembly mode, and the connection reliability is not stable.
In summary, how to overcome the above technical defects in the conventional technology is a technical problem urgently needed by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applicable to the fixed safe fastener device in unmanned helicopter cabin body to solve above-mentioned problem.
The utility model provides a safety fastener device suitable for fixing the unmanned helicopter cabin, which comprises an upper fastener, a lower fastener, an annular locking fastener and a quick-release pin; the upper fastener is fixedly connected with the upper cabin cover, and the lower fastener is fixedly connected with the main cabin body;
the upper fastener comprises an upper fastener body, a positioning pin arranged at the bottom of the upper fastener body and protruding out of the bottom surface, and a U-shaped mounting seat arranged on the front surface of the upper fastener body; two sides of the U-shaped mounting seat are provided with first pin holes which are convenient for the quick-release pin pieces to be inserted; a first groove is formed along the circumferential direction of the side wall of the upper fastener body;
the lower fastener comprises a lower fastener body, a positioning hole arranged on the top surface of the lower fastener body and an I-shaped mounting seat arranged on the front surface of the lower fastener body; a second pin hole which is convenient for the quick-release pin piece to be inserted is formed in the I-shaped mounting seat; a second groove is formed in the circumferential direction of the side wall of the lower fastener body;
the upper fastener and the lower fastener are oppositely arranged and assembled, so that a positioning pin on the bottom surface of the upper fastener body is inserted into a positioning hole on the top surface of the lower fastener body to realize horizontal locking, an I-shaped mounting seat on the lower fastener body is assembled at the middle positions of two sides of a U-shaped mounting seat of the upper fastener body, and the first pin hole and the second pin hole are coaxial to facilitate the insertion of the quick-release pin piece; the first groove and the second groove on the upper fastener body are communicated to form a circle of integral groove, and the annular locking buckle is sleeved in the integral groove formed by the upper fastener and the lower fastener to form circumferential locking; and the quick-release pin passes through a first pin hole on the U-shaped mounting seat of the upper fastener body and a second pin hole on the I-shaped mounting seat of the lower fastener body to realize vertical locking.
Preferably, as one possible embodiment; the annular locking buckle is a locking buckle with a soft structure.
Preferably, as one possible embodiment; the annular locking buckle is a rubber locking buckle.
Preferably, as one possible embodiment; the rubber locking buckle comprises a rubber ring part in an annular shape and a sheet-shaped lifting part arranged at the top of the rubber ring part.
Preferably, as one possible embodiment; the first groove and the second groove are both grooves with semicircular sections, and the sections of the annular locking buckles are circular.
Preferably, as one possible embodiment; the front surface of the upper fastener body is also provided with a first through hole vertical to the front surface of the upper fastener body; the first through hole of the upper fastener body penetrates through the rivet and is used for being fixedly connected with the upper cabin cover.
Preferably, as one possible embodiment; the front surface of the lower fastener body is also provided with a second through hole vertical to the front surface of the lower fastener body; and the second through hole of the lower fastener body penetrates through the rivet to be fixedly connected with the main cabin body.
Preferably, as one possible embodiment; the quick-release pin piece is an R-shaped split pin.
Compared with the prior art, the embodiment of the utility model provides an advantage lies in:
the utility model provides a safety fastener device suitable for fixing the unmanned helicopter cabin; the safety fastener device suitable for fixing the unmanned helicopter cabin body mainly designs an upper fastener, a lower fastener, an annular locking fastener, a quick-release pin piece and other key structure parts; the upper fastener is fixedly connected with the upper cabin cover, and the lower fastener is fixedly connected with the main cabin body; when the upper cabin cover and the main cabin body are required to be stably connected, the upper fastener and the lower fastener are required to be connected together;
the upper fastener and the lower fastener are connected through quick, safe and reliable locking connection which is realized mainly by three different locking modes; the safety fastener device suitable for fixing the unmanned helicopter cabin has a better stable connection effect, and the stability is stronger through inspection; finally, the combination assembly can form simultaneous fastening of the circumferential surface and multiple directions of the connecting piece through the upper fastener, the lower fastener, the annular locking fastener, the quick-release pin piece and other key structures, the reliability and the stability of the connecting piece structure are guaranteed, and the design requirement for fixing the cabin body of the unmanned helicopter is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a three-dimensional assembly structure at a viewing angle of a safety fastener device suitable for fixing an unmanned helicopter cabin according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a three-dimensional assembly structure at another view angle of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention;
fig. 3 is a schematic view of a three-dimensional assembly structure at another view angle of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention at a main viewing angle;
fig. 5 is an assembly structure diagram of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention at the right view angle;
fig. 6 is a schematic view of an exploded and exploded structure of a safety fastener device suitable for fixing an unmanned helicopter cabin according to an embodiment of the present invention in one state;
fig. 7 is a schematic view of a fully exploded and exploded structure of a safety fastener device suitable for fixing an unmanned helicopter cabin according to an embodiment of the present invention;
fig. 8 is a schematic view of a fully exploded structure of a safety fastener device suitable for fixing an unmanned helicopter cabin according to an embodiment of the present invention from another view angle;
fig. 9 is a schematic structural view of an upper fastener part of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention;
fig. 10 is a schematic structural view of a lower fastener component of the safety fastener device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention;
fig. 11 is a schematic structural view of an annular locking buckle component in the safety buckle device suitable for fixing the unmanned helicopter cabin according to the embodiment of the present invention.
Reference numbers: 1-fastening the upper fastener; 11-upper fastener body; 12-a locating pin; 13-U-shaped mounting seats; 14-a first pin hole; 15-a first groove; 16-a first via; 2-lower fastener; 21-lower fastener body; 22-positioning holes; 23-type I mounting seats; 24-a second pin hole; 25-a second groove; 26-a second via; 3-annular locking buckle; 31-rubber ring portion; 32-a sheet-like pulling portion; 4-quick-release pin.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is noted that certain terms of orientation or positional relationship are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 11, a safety fastener device suitable for fixing an unmanned helicopter cabin according to an embodiment of the present invention includes an upper fastener 1, a lower fastener 2, an annular locking buckle 3, and a quick release pin 4; the upper fastener 1 is fixedly connected with the upper cabin cover, and the lower fastener 2 is fixedly connected with the main cabin body;
the upper fastener 1 comprises an upper fastener body 11, a positioning pin 12 arranged at the bottom of the upper fastener body and protruding out of the bottom surface, and a U-shaped mounting seat 13 arranged on the front surface of the upper fastener body; two sides of the U-shaped mounting seat 13 are provided with first pin holes 14 for inserting the quick-release pin pieces 4 conveniently; and a first groove 15 is arranged along the circumferential direction of the side wall of the upper fastener body 11;
the lower fastener 2 comprises a lower fastener body 21, a positioning hole 22 arranged on the top surface of the lower fastener body, and an I-shaped mounting seat 23 arranged on the front surface of the lower fastener body; a second pin hole 24 for inserting the quick-release pin piece 4 is formed in the I-shaped mounting seat 23; and a second groove 25 is provided along the circumferential direction of the side wall of the lower clip body 21;
the upper fastener 1 and the lower fastener 2 are oppositely arranged and assembled, so that the positioning pin 12 on the bottom surface of the upper fastener body 11 is inserted into the positioning hole 22 on the top surface of the lower fastener body 21 to realize horizontal locking, the I-shaped mounting seat 23 on the lower fastener body is assembled at the middle position of two sides of the U-shaped mounting seat 13 of the upper fastener body, and the first pin hole 14 and the second pin hole 24 are coaxial to facilitate the insertion of the quick-release pin;
the first groove 15 and the second groove 25 on the upper fastener body are communicated to form a circle of integral groove, and the annular locking buckle 3 is sleeved in the integral groove formed by the upper fastener and the lower fastener to form circumferential locking; and the quick-release pin 4 passes through the first pin hole 14 on the U-shaped mounting seat of the upper fastener body and the second pin hole 24 on the I-shaped mounting seat of the lower fastener body to realize vertical locking.
Analyzing the main technical content of the safety fastener device suitable for fixing the unmanned helicopter cabin in the first embodiment, it can be known that: the safety fastener device (short for safety fastener device) suitable for fixing the unmanned helicopter cabin body mainly designs an upper fastener, a lower fastener, an annular locking fastener, a quick-release pin piece and other key structure parts; the upper fastener is fixedly connected with the upper cabin cover, and the lower fastener is fixedly connected with the main cabin body; when the upper cabin cover and the main cabin body are required to be stably connected, the upper fastener and the lower fastener are required to be connected together;
the upper fastener and the lower fastener are connected through quick, safe and reliable locking connection which is realized mainly by three different locking modes; in the specific operation, the positioning pin 12 on the bottom surface of the upper fastener body is inserted into the positioning hole 22 on the top surface of the lower fastener body to firstly realize locking in the horizontal direction, and meanwhile, the I-shaped mounting seat 23 on the lower fastener body is assembled at the middle position of two sides of the U-shaped mounting seat 13 of the upper fastener body, so that relative movement between the two in the horizontal direction (further locking in the horizontal direction is realized) can be further realized, and at the moment, the two can only move in the vertical direction; and the first pin hole 14 and the second pin hole 24 are coaxial, so that the quick release pin piece can be inserted conveniently; then, the first groove 15 and the second groove 25 on the upper fastener body are communicated to form a circle of integral groove, and at the moment, the annular locking buckle 3 is sleeved in the integral groove formed by the upper fastener and the lower fastener to form circumferential locking; of course, besides circumferential locking, other bearing structures exist, and vertical locking can be further realized by the aid of the quick release pin piece 4 which passes through the first pin hole 14 on the U-shaped mounting seat of the upper fastener body and the second pin hole 24 on the I-shaped mounting seat of the lower fastener body; researchers find that the designed safety fastener device can realize the composite fastening limitation in multiple directions, so that the rapid installation and the stable and reliable locking action are realized;
the safety fastener device suitable for fixing the unmanned helicopter cabin has a better stable connection effect, and the stability is stronger through inspection; finally, through the upper fastener 1, the lower fastener 2, the annular locking fastener 3, the quick-release pin piece 4 and other key structures, the combined assembly can form simultaneous fastening on the circumferential surface and multiple directions of the connecting piece, the reliability and the stability of the connecting piece structure are guaranteed, and the design requirement for fixing the cabin body of the unmanned helicopter is met.
The following detailed description is made on the specific structure and the specific technical effect of the safety fastener device suitable for fixing the unmanned helicopter cabin in the embodiment of the present invention:
preferably, as one possible embodiment; the annular locking buckle 3 is a locking buckle with a soft structure.
In the specific technical solution of the embodiment of the present invention, the annular locking buckle can be selected from a plurality of structural forms, but the annular locking buckle is an annular ferrule structure, which needs a certain deformation amount during installation, and a locking buckle with a soft structure can be usually selected; the annular locking buckle 3 is a structural member of the first order of assembly and disassembly, and therefore, a locking buckle of a soft structure should preferably be used.
When the fastener is specifically installed, the first groove 15 and the second groove 25 on the upper fastener body are communicated to form a circle of integral groove, the annular locking buckle 3 is sleeved at any position of the upper fastener or the lower fastener, and the annular locking buckle is buckled on the other fastener after being pulled to form circumferential sleeved locking in the corresponding integral groove. (Note that the second groove on the lower fastener body may be a part of the lower fastener body or may be distributed on the lower fastener body safely; the second groove may be formed on the inner side of the lower fastener body, and this is also designed for convenience of installation and assembly security).
Preferably, as one possible embodiment; the annular locking buckle 3 is a rubber locking buckle.
The utility model discloses in the concrete technical scheme of embodiment, above-mentioned annular locking is detained the locking that can select to use multiple material form and is detained, for example: high strength fiber locking buckles, high tensile strength engineering plastic locking buckles, or rubber locking buckles;
the rubber locking buckle has the advantages of elasticity, wear resistance, high structural strength and the like. Certainly, in the technical scheme of this embodiment, high strength rubber, such as modified synthetic rubber, can be selected for use, and its tensile strength is very high, and its elasticity and pulling force are all very suitable for the safety fastener device that unmanned helicopter cabin body was fixed simultaneously.
Preferably, as one possible embodiment; the rubber locking grommet (annular locking grommet 3) includes a rubber collar portion 31 of an annular shape and a sheet-like pulling portion 32 provided at a top position of the rubber collar portion.
The rubber locking buckle provided by the embodiment of the utility model has a special shape design, and the design that the two fasteners form an integral annular groove is never provided in the traditional technology, and the design of the rubber locking buckle with the structural form is also not provided;
the rubber locking buckle mainly comprises an annular rubber ring part and a sheet-shaped lifting part arranged at the top of the rubber ring part; the sheet-shaped lifting part is one of the design structures, when the rubber locking buckle is installed, the bottom of the rubber locking buckle can be firstly sleeved in the second groove of the lower buckle, then the sheet-shaped lifting part is used for pulling, and then the top of the rubber locking buckle is also buckled in the first groove of the upper buckle to realize assembly and installation.
Preferably, as one possible embodiment; the first groove 15 and the second groove 25 are both grooves with semicircular sections, and the section of the annular locking buckle 3 is circular.
The embodiment of the utility model provides an among the concrete structure that above-mentioned rubber locking was detained, its first recess 15 and second recess 25 are cross-section semicircular in shape recess, detain 3 and last fastener at annular locking, during the erection joint of lower fastener, because this annular locking detains 3 cross-sections for circular shape, can utilize annular locking to detain 3 in circular cross-section adaptation to semicircular recess like this, realize whole recess and annular locking piece's cooperation.
Preferably, as one possible embodiment; the front surface of the upper fastener body 11 is also provided with a first through hole 16 vertical to the front surface of the upper fastener body; the first through hole 16 of the upper fastener body 11 passes through the rivet and is specifically used for fixedly connecting with the upper deck lid.
The front surface of the lower fastener body 21 is also provided with a second through hole 26 vertical to the front surface of the lower fastener body; the second through hole 26 of the lower fastener body 21 is used for fixedly connecting with the main cabin body through the rivet.
In the specific technical solution provided by the embodiment of the present invention, the upper fastener body 11 and the lower fastener body 21 are required to be respectively and correspondingly mounted on the upper deck lid and the main cabin structure; in a specific structural design, a research and development worker designs a first through hole 16 in a direction perpendicular to the front surface of the upper fastener body in a penetrating manner; during specific installation, the first through hole 16 of the upper fastener body 11 passes through the rivet to be fixedly connected with the upper cabin cover.
A second through hole 26 perpendicular to the front surface of the lower fastener body is also arranged on the front surface of the lower fastener body 21; in the specific installation, the second through hole 26 is fixedly connected with the main cabin body through a rivet.
Preferably, as one possible embodiment; the quick-release pin piece is an R-shaped split pin.
In the specific structure of the rubber locking buckle provided by the embodiment of the present invention, the quick-release pin member can be a member with multiple structural forms, and the quick-release pin member is preferably an R-shaped split pin; the R-shaped split pin is made of high-quality steel and rigid materials with good elasticity, the linear rod part of the R-shaped split pin is inserted into the first pin hole 14 and the second pin hole 24, and then the bending part of the R-shaped split pin realizes limiting and locking.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A safety fastener device suitable for fixing an unmanned helicopter cabin is characterized by comprising an upper fastener, a lower fastener, an annular locking fastener and a quick-release pin piece; the upper fastener is fixedly connected with the upper cabin cover, and the lower fastener is fixedly connected with the main cabin body;
the upper fastener comprises an upper fastener body, a positioning pin arranged at the bottom of the upper fastener body and protruding out of the bottom surface, and a U-shaped mounting seat arranged on the front surface of the upper fastener body; two sides of the U-shaped mounting seat are provided with first pin holes which are convenient for the quick-release pin pieces to be inserted; a first groove is formed along the circumferential direction of the side wall of the upper fastener body;
the lower fastener comprises a lower fastener body, a positioning hole arranged on the top surface of the lower fastener body and an I-shaped mounting seat arranged on the front surface of the lower fastener body; a second pin hole which is convenient for the quick-release pin piece to be inserted is formed in the I-shaped mounting seat; a second groove is formed in the circumferential direction of the side wall of the lower fastener body;
the upper fastener and the lower fastener are oppositely arranged and assembled, so that a positioning pin on the bottom surface of the upper fastener body is inserted into a positioning hole on the top surface of the lower fastener body to realize horizontal locking, an I-shaped mounting seat on the lower fastener body is assembled at the middle positions of two sides of a U-shaped mounting seat of the upper fastener body, and the first pin hole and the second pin hole are coaxial to facilitate the insertion of the quick-release pin piece; the first groove and the second groove on the upper fastener body are communicated to form a circle of integral groove, and the annular locking buckle is sleeved in the integral groove formed by the upper fastener and the lower fastener to form circumferential locking; and the quick-release pin passes through a first pin hole on the U-shaped mounting seat of the upper fastener body and a second pin hole on the I-shaped mounting seat of the lower fastener body to realize vertical locking.
2. A security fastener assembly adapted for unmanned helicopter nacelle mounting as claimed in claim 1 wherein said annular locking fastener is a soft construction locking fastener.
3. A security fastener assembly adapted for unmanned helicopter nacelle fastening of claim 1 wherein said annular locking clasp is a rubber locking clasp.
4. A security fastener device adapted for unmanned helicopter nacelle mounting as claimed in claim 3 wherein said rubber locking clasp comprises a ring shaped rubber collar and a tab pull disposed at the top of said rubber collar.
5. A security fastener device adapted for unmanned helicopter nacelle mounting as claimed in claim 2 wherein said first recess and said second recess are both recesses having a semi-circular cross-section and said annular locking clasp has a circular cross-section.
6. A safety fastener device adapted for fastening a cabin of an unmanned helicopter according to claim 1, wherein said upper fastener body further comprises a first through hole formed on a front surface thereof and perpendicular to said front surface of said upper fastener body; the first through hole of the upper fastener body penetrates through the rivet and is used for being fixedly connected with the upper cabin cover.
7. The safety fastener device for fixing the unmanned helicopter cabin according to claim 6, wherein a second through hole perpendicular to the front surface of the lower fastener body is further provided on the front surface of the lower fastener body; and the second through hole of the lower fastener body penetrates through the rivet to be fixedly connected with the main cabin body.
8. A safety fastener assembly adapted for unmanned helicopter nacelle fastening of claim 6 wherein said quick release pin member is an R-shaped split pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022411408.1U CN213323648U (en) | 2020-10-27 | 2020-10-27 | Safety fastener device suitable for unmanned helicopter cabin body is fixed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411408.1U CN213323648U (en) | 2020-10-27 | 2020-10-27 | Safety fastener device suitable for unmanned helicopter cabin body is fixed |
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| CN213323648U true CN213323648U (en) | 2021-06-01 |
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| CN202022411408.1U Active CN213323648U (en) | 2020-10-27 | 2020-10-27 | Safety fastener device suitable for unmanned helicopter cabin body is fixed |
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