CN218477660U

CN218477660U - Quick detaching device for parachute of unmanned aerial vehicle

Info

Publication number: CN218477660U
Application number: CN202222805958.0U
Authority: CN
Inventors: 李锦城; 邹茂真; 丁红亮; 苏军生
Original assignee: Shenzhen Keweitai Enterprise Development Co ltd
Current assignee: Shenzhen Keweitai Enterprise Development Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-14
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses an unmanned aerial vehicle parachute quick detaching device and a parachute, which are used for the quick installation and detachment of the parachute in the technical field of unmanned aerial vehicles and comprise an unmanned aerial vehicle installation platform; the umbrella barrel is quickly mounted and dismounted, and the storage and mounting time of the umbrella barrel in use is shortened; compare with traditional screw fixation mode quick detach device, the utility model discloses a quick detach device is rotational symmetry structure, can come nimble adjustment quick detach device's mounted position according to different types of umbrella bucket and mounting surface's size, and has characteristics that interchangeability and maintainability are good, structure light in weight, installation are steady reliable, strong adaptability and convenience are good. This quick detach device effectively ensures unmanned aerial vehicle when breaking down at the flight in-process with parachute automatic triggering mechanism together, and the parachute can be opened smoothly steadily and the safe operation guarantees unmanned aerial vehicle's flight safety.

Description

Quick detaching device for parachute of unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle parachute quick detach technical field specifically is an unmanned aerial vehicle parachute quick detach device.

Background

In recent years, unmanned aerial vehicles have rapidly developed in various industrial application fields such as aerial photography and surveying, agriculture and forestry plant protection, emergency treatment, monitoring and patrolling, resource detection and the like. When the unmanned aerial vehicle is used as a flying platform and is used for dealing with different severe climatic environments or sudden accidents, such as sudden rainstorm, snowstorm, sandstorm and the like, or an accident of collision of unidentified flying objects at high altitude and high pressure, the safe landing of the unmanned aerial vehicle makes the unmanned aerial vehicle face very serious challenges; at the moment, the purpose of parachute is needed to protect the safe landing state of the unmanned aerial vehicle;

on the unmanned aerial vehicle that generally small-size possesses multi-functional, with high costs or carry the great unmanned aerial vehicle of load, need install the parachute device, but its mounting form is usually mainly in traditional mounting means has following this kind: the parachute with problems cannot be conveniently maintained and disassembled in the later period in the traditional mounting and quick-disassembling mode, so that the operation process is complicated, and the interchangeability efficiency is low; secondly, in a common situation, other modes are that either transitional connection is added or hanging pieces are redesigned, so that not only can the structural weight and the size space be greatly increased, but also the installation complexity is increased, the use reliability and the dismounting efficiency are reduced to a great extent, and the time of flight is reduced; therefore, in the complex traditional fixing structure mode, the triggering mechanism and the landing safety and reliability cannot be well guaranteed, and therefore an unmanned aerial vehicle parachute quick-detaching device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle parachute quick detach device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an unmanned aerial vehicle parachute quick detach device includes:

the device comprises a parachute barrel and a rotating chassis, wherein the rotating chassis is arranged at the bottom of the parachute barrel through screws;

the device comprises an unmanned aerial vehicle mounting platform and a fixing chassis, wherein the fixing chassis is locked and mounted at the top of the unmanned aerial vehicle mounting platform through screws to form a mounting guide rail of a parachute barrel;

the parachute barrel and the rotating chassis are detachably mounted at the tops of the parachute barrel and the fixed chassis, and the rotating chassis and the fixed chassis are detachably and rotatably mounted;

an elastic switch bolt is arranged on the side surface of the parachute barrel, and a clamping point hole position for inserting a pin of the elastic switch bolt is arranged on the fixed base plate;

the side of parachute-shaped barrel is connected with a plurality of groups of hanging ropes with lock hooks, a body hook is arranged on the body of the unmanned aerial vehicle, and the lock hook is arranged on the body hook.

Preferably, the fixed chassis is provided with a sliding chute and a horizontal circular sliding rail surface, and the fixed chassis is further provided with four limiting blocks through screws.

Preferably, the inner side of the limiting block is provided with inclined planes, four groups of bosses are integrally formed on the rotating chassis, and the bosses on the rotating chassis are slidably mounted corresponding to the inclined planes on the inner side of the limiting block.

Preferably, after the boss on the rotating chassis is slidably mounted inside the limiting block on the fixed chassis, the pin of the elastic switch bolt is positioned and inserted into the clamping point hole position.

Preferably, the four bosses of the rotary chassis are arranged into boss structures of oblique bullnose, and the boss structures of the oblique bullnose are in guiding fit with the sliding grooves on the fixed chassis.

Preferably, an L-shaped fixing block is arranged on the rotary chassis in a locking mode, and the elastic switch bolt is connected with the L-shaped fixing block through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the quick release device of the utility model can be used for the assembly formed by the equally matched load adapting and the installation mode of the parachute barrel through the control of the elastic switch pin to achieve the effect of limiting and blocking the installation by the umbrella barrel assembly formed by a plurality of structural members and the parachute barrel; when dismantling the umbrella bucket, press the press switch of elastic switch round pin once more for the elastic switch round pin effect that resets, the round pin is in the shrink state this moment, and umbrella bucket subassembly is through rotatory dismantlement mode can be very convenient taking out, and this device has characteristics such as simple to use, installation steadily reliable, convenient and fast and shorten expansion storage time.

In the parachute protection mechanism, the reliability of the unmanned aerial vehicle during safe landing can be effectively guaranteed through a dual protection mechanism of an unmanned aerial vehicle built-in sensor and a parachute barrel sensor and a ground end instruction sending; when the parachute triggered the parachute, the parachute received the parachute-opening instruction, opened the parachute through the explosion form, and all effort when opening the parachute at this moment offset through hanging rope couple transmission to unmanned aerial vehicle self ascending balance in the direction of gravity, can reach a safe and steady state of descending to guarantee unmanned aerial vehicle's safety.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 is an overall assembly view of an embodiment of the present invention;

FIG. 2 is a partial schematic structural view of the partially assembled parachute of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

FIG. 4 is a partially assembled view of the parachute of the present invention;

FIG. 5 is an exploded view of the device for rapidly mounting and dismounting the umbrella barrel according to the embodiment of the present invention;

fig. 6 is one of the schematic structural diagrams of the fixing chassis of the present invention;

fig. 7 is a second schematic structural view of the fixing chassis of the present invention;

fig. 8 is a schematic structural view of a rotating chassis according to the present invention;

fig. 9 is a second schematic structural view of the rotating chassis according to the present invention;

description of reference numerals: 1. a parachute-bucket; 2. an elastic switch bolt; 3. fixing the chassis; 4. a limiting block; 5. an L-shaped fixed block; 6. the machine body is hooked; 7. a latch hook; 8. rotating the chassis; 9. hanging a rope; 10. an unmanned aerial vehicle mounting platform; 11. a chute; 12. a horizontal circular ring slide rail surface; 13. a boss; 14. and (6) clamping point hole positions.

Detailed Description

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like are used herein only for convenience in reference to the figures and to merely aid in describing the invention, and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-9, the present invention provides an embodiment:

an unmanned aerial vehicle parachute quick detach device includes:

the device comprises a parachute barrel 1 and a rotating chassis 8, wherein the rotating chassis 8 is installed at the bottom of the parachute barrel 1 through screws;

the device comprises an unmanned aerial vehicle mounting platform 10 and a fixed chassis 3, wherein the fixed chassis 3 is mounted on the top of the unmanned aerial vehicle mounting platform 10 through screws in a locking manner to form a mounting guide rail of a parachute barrel 1;

the parachute barrel 1 and the rotating chassis 8 are detachably arranged at the tops of the parachute barrel 1 and the fixed chassis 3, and the rotating chassis 8 and the fixed chassis 3 are detachably and rotatably arranged;

an elastic switch bolt 2 is arranged on the side surface of the parachute barrel 1, and a clamping point hole position 14 for inserting a pin of the elastic switch bolt 2 is arranged on the fixed base plate 3; an L-shaped fixing block 5 is tightly installed on the rotating chassis 8, and the elastic switch bolt 2 is connected with the L-shaped fixing block 5 through a screw;

the side of parachute bucket 1 is connected with a plurality of groups and has a rope 9 of hanging of latch hook 7, is provided with fuselage couple 6 on the unmanned aerial vehicle fuselage, latch hook 7 is hung and is located on fuselage couple 6.

The fixed chassis 3 is provided with a sliding groove 11 and a horizontal circular sliding rail surface 12, the fixed chassis 3 is further provided with four limiting blocks 4 through screws, and a limiting fixed point structure is formed between the sliding groove 11 and the horizontal circular sliding rail surface 12 and the four limiting blocks 4 and is used for the boss of the rotary chassis 8 to slide in a rotating mode.

The inner side of the limiting block 4 is provided with an inclined plane, four groups of bosses 13 are integrally formed on the rotating chassis 8, and the bosses 13 on the rotating chassis 8 are slidably mounted corresponding to the inclined plane on the inner side of the limiting block 4; and after the boss 13 on the rotating chassis 8 is slidably mounted in the limiting block 4 on the fixed chassis 3, the pin of the elastic switch bolt 2 is positioned and inserted into the clamping point hole position 14 to form the locking and rotation preventing functions of the integral structure.

As shown in fig. 5, the elastic switch bolt 2 and the L-shaped fixing block 5 are locked and fixed on the rotating chassis 8, when the bolt of the elastic switch bolt 2 is pressed, the other end pops out the bolt to be in an extending state, and the elastic switch bolt is used for limiting and blocking the umbrella barrel assembly and the fixing chassis 3, and at the moment, the umbrella barrel is in an installation and fixing state; when pressing the bolt of elastic switch bolt 2 once more, the other end pops out the bolt and is in the retracted state, and umbrella barrel subassembly is in the active state that can back out with fixed chassis 3, can back out umbrella barrel so that dismantle this moment.

As shown in fig. 6-7, four bosses 13 of the rotating chassis 8 are arranged in a boss structure of an oblique bullnose, and the boss structure of the oblique bullnose is in guiding fit with the chute 11 on the fixed chassis 3; step surfaces are arranged at the inner sides of the four limiting blocks 4 and used for limiting the sliding of a rotating chassis 8 of the umbrella barrel assembly; at this time, the accommodating and mounting states of the integral rotating structure can be controlled by pressing the elastic switch bolt 2.

A step surface is arranged at the inner side of the limiting block 4 and is used for limiting the sliding of a rotating chassis 8 of the umbrella barrel component; at this time, the accommodating and mounting states of the integral rotating structure can be controlled by pressing the elastic switch bolt 2.

The air resistance generated by the parachute barrel 1 balances the whole takeoff weight of the unmanned aerial vehicle through the lock hook 7 and the hanging rope 9; when the unmanned aerial vehicle gesture takes place sharp change, the parachute can be through the timely parachute opening of automatic triggering mechanism, guarantees unmanned aerial vehicle flight safety.

Referring to fig. 1-5, the installation mode of the device is as follows: 1. the parachute barrel 1 is fixedly arranged on the rotating chassis 8 through screws; → II, the limiting block 4 is correspondingly clamped on the fixed chassis through screw connection; 3. the fixed chassis 3 is locked at the unmanned aerial vehicle mounting platform 10 by screws; → IV, the elastic switch bolt 2 is locked and installed by a screw through an L-shaped fixing block 5; fifthly, the other end of the L-shaped fixing block 5 is integrally locked on the corresponding bolt hole of the rotary chassis 8; sixthly, the hanging rope 9 on the parachute is tied up to correspond to the four locking hooks 7; → seventeen and four fuselage hooks 6 lock on four sides of the unmanned aerial vehicle fuselage and hook the hook.

Specifically, the parachute barrel 1 is connected with the rotating chassis 8 through screws to form a fixed assembly; the hanging rope 9 on the umbrella barrel is connected with the hook through one end, the hook is hooked on the fixed machine body hook 6 which hooks the corresponding four positions, and the impact force generated when the umbrella barrel opens the umbrella is averagely acted on the fixed hooks at the four positions.

Further, as shown in fig. 8-9, the fixing base plate 3 is provided with an arc-shaped sliding rail for the umbrella barrel assembly to slide in a rotating manner, the limiting block 4 of the fixing base plate 3 and the boss 13 structure on the rotating base plate 8 of the umbrella barrel assembly are provided with inclined planes with small inclination angles, and the two inclined planes are mutually matched, so that the umbrella barrel assembly can smoothly extend in the guiding direction to be tightened and limited when being screwed in.

The back of the lower side of the rotating chassis 8 of the umbrella barrel component is provided with a slide rail convex hull so that the umbrella barrel component can rotate within the guide range of the fixed chassis 3.

One side of the L-shaped fixing block 5 is provided with an inclined guide hole which is used as a guide hole of the elastic switch bolt 2 and is locked on the rotating chassis 8; the same inclined guide hole is arranged at the corresponding position of the rotary chassis 8, so that the pin of the elastic switch bolt 2 can be conveniently and smoothly stretched.

The same oblique guiding hole is arranged at the corresponding position of the fixed chassis 3, when the pin of the elastic switch bolt 2 simultaneously extends to act on the corresponding oblique guiding holes of the rotary chassis 8 and the fixed chassis 3, the umbrella barrel assembly is limited and clamped on the fixed chassis 3, and the oblique structure is contained in the guiding hole, so that the bolt can be stably clamped under the transverse shearing action of force, and the locking state of the device is achieved.

With the press switch of elastic switch round pin, press once more for the elastic switch round pin reaches the effect that resets, and the round pin is in the shrink state this moment, can be very convenient taking out through rotatory mode with the umbrella barrel subassembly once more.

The quick release device of the utility model can be used for the assembly formed by matching the same load with the installation mode of the parachute barrel through the control of the elastic switch pin by the umbrella barrel assembly formed by a plurality of structural members and the parachute barrel 1, so as to achieve the effect of limiting and blocking installation; when dismantling the umbrella bucket, press the press switch of elastic switch round pin once more for the elastic switch round pin effect that resets, the round pin is in the shrink tight state this moment, and umbrella bucket subassembly is through rotatory dismantlement mode can be very convenient taking out, and this device has characteristics such as simple to use, installation steadily reliable, convenient and fast and shorten the expansion and accomodate time.

In the parachute protection mechanism, the reliability of the unmanned aerial vehicle during safe landing can be effectively guaranteed through a built-in sensor and a parachute barrel sensor of the unmanned aerial vehicle and a double protection mechanism of ground end instruction sending; when the parachute triggered the parachute, the parachute received the parachute-opening instruction, opened the parachute through the explosion form, and all effort when opening the parachute was offset through hanging rope couple transmission to unmanned aerial vehicle self ascending balance in the gravity direction this moment, can reach a safe and stable state of descending to guarantee unmanned aerial vehicle's safety.

The control mode of the present application document is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming of a person skilled in the art, which belongs to the common knowledge in the field, and the present application document is mainly used for protecting the structure, the shape and the combination thereof, so the present application document does not explain the control mode and the circuit connection in detail, and the device supplies power by an internal power supply or an external power supply.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an unmanned aerial vehicle parachute quick detach device which characterized in that includes:

the device comprises a parachute barrel (1) and a rotating chassis (8), wherein the rotating chassis (8) is installed at the bottom of the parachute barrel (1) through screws;

the unmanned aerial vehicle mounting structure comprises an unmanned aerial vehicle mounting platform (10) and a fixing chassis (3), wherein the fixing chassis (3) is tightly mounted at the top of the unmanned aerial vehicle mounting platform (10) through screws to form a mounting guide rail of a parachute barrel (1);

the parachute barrel (1) and the rotating chassis (8) are detachably mounted at the tops of the parachute barrel (1) and the fixed chassis (3), and the rotating chassis (8) and the fixed chassis (3) are detachably rotatably mounted;

an elastic switch bolt (2) is arranged on the side surface of the parachute barrel (1), and a clamping point hole position (14) for inserting a pin of the elastic switch bolt (2) is arranged on the fixed base plate (3);

the side of parachute bucket (1) is connected with a plurality of groups and has hanging rope (9) of latch hook (7), is provided with fuselage couple (6) on the unmanned aerial vehicle fuselage, latch hook (7) are hung and are located fuselage couple (6).

2. The quick release device of unmanned aerial vehicle parachute according to claim 1, characterized in that: the fixing chassis (3) is provided with a sliding chute (11) and a horizontal circular ring sliding rail surface (12), and the fixing chassis (3) is further provided with four limiting blocks (4) through screws.

3. The quick release device for the parachute of the unmanned aerial vehicle according to claim 2, wherein: the inner side of the limiting block (4) is provided with inclined planes, four groups of bosses (13) are integrally formed on the rotating chassis (8), and the bosses (13) on the rotating chassis (8) are slidably mounted corresponding to the inclined planes on the inner side of the limiting block (4).

4. The quick release device of the parachute of the unmanned aerial vehicle according to claim 3, wherein: and after a boss (13) on the rotating chassis (8) is slidably mounted inside a limiting block (4) on the fixed chassis (3), a pin of the elastic switch bolt (2) is positioned and inserted into a clamping point hole position (14).

5. The quick release device for the parachute of the unmanned aerial vehicle according to claim 2, wherein: four bosses (13) of the rotating chassis (8) are arranged to be boss structures of oblique outer circular corners, and the boss structures of the oblique outer circular corners are in guiding fit with the sliding grooves (11) on the fixed chassis (3).

6. The quick release device of the parachute of the unmanned aerial vehicle according to claim 1, which is characterized in that: an L-shaped fixing block (5) is tightly installed on the rotating chassis (8), and the elastic switch bolt (2) is connected with the L-shaped fixing block (5) through a screw.