CN211167403U - Unmanned aerial vehicle screw safety cover - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle propeller protective cover, which comprises a connecting piece, wherein a plurality of first connecting rods are horizontally and outwards extended and arranged on the outer wall of the connecting piece, a damping spring is arranged on the end part of the extending end of each first connecting rod, one end of the damping spring is fixedly connected with the first connecting rod, the other end of the damping spring is connected with a first stop lever, a second connecting rod is vertically and upwards arranged on the tops of the first connecting rod and the first stop lever, and a second stop lever is arranged on the upwards extending end of the second connecting rod; the utility model has the characteristics of the protectiveness is good, the security is good.

Description

Unmanned aerial vehicle screw safety cover

Technical Field

The utility model relates to an unmanned air vehicle technique field, concretely relates to unmanned aerial vehicle screw safety cover.

Background

The unmanned aerial vehicle is an unmanned vehicle which is operated by a radio remote control device or a remote control device to execute tasks, and a navigation flight control system, a program control device, a power supply device and the like are installed on a common unmanned aerial vehicle.

At present, an unmanned aerial vehicle in the prior art generally comprises a central part and arms extending outwards from the central part, wherein each arm is provided with a propeller, and the rotation of the propeller drives the unmanned aerial vehicle to fly; however, because there is a certain uncertainty in manual operation and wireless communication, the unmanned aerial vehicle may be out of control due to control errors or communication faults, and thus, the propeller rotating at a high speed may collide with a hard object due to a path change, so that the propeller is damaged, or the propeller accidentally injures people or articles; therefore, in the prior art, a propeller protection cover is provided, which is used for limiting the horizontal length below the propeller on the arm and below the propeller so as to protect the propeller, but the propeller protection cover has a certain problem, when the unmanned aerial vehicle is used indoors, such as shooting in basketball stadiums, because the basketball stadiums have a certain height, when the unmanned aerial vehicle breaks down and climbs upwards, the propeller protection cover cannot play a role in protection, the propeller of the unmanned aerial vehicle climbing upwards can directly hit the top of the stadium, and further the phenomena of potential safety hazards such as propeller damage and unmanned aerial vehicle falling occur, and when the unmanned aerial vehicle collides towards two sides due to faults, because the propeller protection cover is not provided with a buffer structure, at this time, the situation that the propeller protection cover is deformed or the unmanned aerial vehicle is turned up can occur, the propeller is directly contacted with hard objects or objects on two sides, so that the propeller or the objects are damaged; this type of screw safety cover can't be fine protect unmanned aerial vehicle's screw.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an unmanned aerial vehicle screw safety cover.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an unmanned aerial vehicle screw safety cover, including being used for the connecting piece be connected with the unmanned aerial vehicle horn, it extends outwards to be the level on the outer wall of connecting piece is provided with many first connecting rods, the horizontal length of first connecting rod is longer than the horizontal length of unmanned aerial vehicle screw, all be equipped with damping spring on the extension end tip of every first connecting rod, damping spring is parallel arrangement with first connecting rod, damping spring's one end and first connecting rod fixed connection, it has first pin to link on the other end, first pin is the arc form setting, the inner arc wall and the damping spring of first pin are connected, the vertical second connecting rod that upwards is equipped with on the top of first connecting rod and first pin, the vertical height of second connecting rod is higher than the position height of unmanned aerial vehicle screw, the upwards extension of second connecting rod is served and is equipped with the second pin.

Preferably, the number of the first connecting rods is 3, and the distance between two adjacent first connecting rods is equal.

Preferably, the second stop lever is arranged in a fan shape, the bottom bending position of the second stop lever is inwards provided with a first inserting hole, the first inserting hole is matched with the second connecting rod, and the second stop lever is inserted into the upwards extending end of the second connecting rod through the first inserting hole.

Preferably, the top of the first stop lever and the top of the first connecting rod in the middle are inwards provided with 3 second inserting holes, the arrangement mode of the second inserting holes is provided with one-to-one correspondence to the first inserting holes, and the second connecting rod is inserted into the tops of the first connecting rod and the first stop lever through the second inserting holes.

Preferably, a third connecting rod is vertically and downwards arranged at the bottom of the first connecting rod, and a damping rubber pad is arranged at the downwards extending end of the third connecting rod.

Preferably, the bottom of each first connecting rod is provided with a third inserting hole inwards, the bottom of each first connecting rod is provided with 2 third inserting holes, and the third connecting rods are inserted into the bottoms of the first connecting rods through the third inserting holes.

Preferably, the first connecting rod, the second connecting rod, the third connecting rod, the first stop lever and the second stop lever are all of a hollow structure, and the first connecting rod, the second connecting rod, the third connecting rod, the first stop lever and the second stop lever are made of aluminum alloy materials.

Compare prior art, the utility model has the advantages that:

1. the utility model is based on the problem that the propeller protective cover can not protect the propeller of the unmanned aerial vehicle when the unmanned aerial vehicle works in the place with height limitation due to the fact that the unmanned aerial vehicle breaks down and climbs upwards in the prior art, the vertical height of the second connecting rod is higher than the position height of the propeller of the unmanned aerial vehicle by arranging the second connecting rod on the first connecting rod and the first stop lever, and arranging the second stop lever on the second connecting rod, the second stop lever can limit the propeller of the unmanned aerial vehicle in the vertical upwards direction, so as to protect the propeller of the unmanned aerial vehicle, when the unmanned aerial vehicle breaks down and climbs upwards, the second stop lever can lead the propeller of the unmanned aerial vehicle to contact with the height-limiting structure such as a stadium roof and the like, and can prevent the unmanned aerial vehicle from climbing upwards continuously, so that the propeller of the unmanned aerial vehicle is difficult to directly hit the height-limiting structure, and the, avoid some to have the phenomenon of potential safety hazard to take place like unmanned aerial vehicle falls etc..

2. The utility model is based on the problem that the propeller or the article is damaged because the propeller protective cover is not provided with a buffer structure and the propeller directly contacts with the hard article or the article on the two sides when the unmanned aerial vehicle collides towards the two sides due to faults in the prior art, the first connecting rod and the first stop lever are connected through the damping spring by arranging the damping spring between the first connecting rod and the first stop lever, when the unmanned aerial vehicle collides towards two sides due to faults, the first stop lever can be subjected to reverse acting force due to the collision, at the moment, the damping spring can be pressed tightly, with this reverse action power that will receive cushion, slow down reverse action power to the influence of unmanned aerial vehicle and first pin and first connecting rod, guarantee the steady of unmanned aerial vehicle gesture as far as and prevent that the condition of deformation from appearing in first pin and first connecting rod from taking place, fine protection the integrality of unmanned aerial vehicle screw and external article.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention mounted on the arm of the unmanned aerial vehicle;

fig. 3 is a side view of the present invention mounted to an unmanned aerial vehicle arm;

FIG. 4 is a top view of the first link and the first stop lever of the present invention;

FIG. 5 is a bottom view of the first link of the present invention;

FIG. 6 is a bottom view of a second stop lever according to the present invention;

fig. 7 is an enlarged view at a.

Reference numerals: 1. an unmanned aerial vehicle arm; 2. a connecting member; 3. a first link; 4. an unmanned aerial vehicle propeller; 5. a damping spring; 6. a first bar; 7. a second link; 8. a second bar; 9. a first plug hole; 10. a second plug hole; 11. a third link; 12. a shock-absorbing rubber pad; 13. and a third plug hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the utility model provides an unmanned aerial vehicle propeller protective cover, including connecting piece 2 used for connecting with unmanned aerial vehicle horn 1, be the level on the outer wall of connecting piece 2 and outwards extend and be provided with 3 first connecting rods 3, the interval between two adjacent first connecting rods 3 is equal, the horizontal length of first connecting rod 3 is longer than the horizontal length of unmanned aerial vehicle propeller 4, all be equipped with damping spring 5 on the extension end portion of each first connecting rod 3, damping spring 5 is parallel arrangement with first connecting rod 3, one end of damping spring 5 is fixedly connected with first connecting rod 3, even have first pin 6 on the other end, first pin 6 is the arc form setting, the inner arc wall of first pin 6 is connected with damping spring 5, be equipped with second connecting rod 7 on the top of first connecting rod 3 and first pin 6 vertically upwards, the vertical height of second connecting rod 7 is higher than the position height of unmanned aerial vehicle propeller 4, a second stop lever 8 is arranged at the upward extending end of the second connecting rod 7, the second stop lever 8 is arranged in a fan shape, first inserting holes 9 are formed in the bending positions of the bottom of the second stop lever 8 inwards, the first inserting holes 9 are matched with the second connecting rod 7, and the second stop lever 8 is inserted into the upward extending end of the second connecting rod 7 through the first inserting holes 9; the top of first pin 6 and the top of being in first connecting rod 3 in the middle of inwards opening have second spliced eye 10, and the quantity of second spliced eye 10 is 3, and the mode of arranging of second spliced eye 10 has first spliced eye 9 one-to-one, and second connecting rod 7 is pegged graft on the top of first connecting rod 3 and first pin 6 through the second spliced eye 10 that is equipped with.

Furthermore, a third connecting rod 11 is vertically and downwardly arranged on the bottom of the first connecting rod 3, a shock-absorbing rubber pad 12 is arranged at the downwardly extending end of the third connecting rod 11, a third inserting hole 13 is inwards formed in the bottom of the first connecting rod 3, 2 third inserting holes 13 are formed in the bottom of each first connecting rod 3, and the third connecting rods 11 are inserted into the bottoms of the first connecting rods 3 through the third inserting holes 13; shock-absorbing rubber pad 12 can play the effect of shock attenuation buffering, and when unmanned aerial vehicle descended or fell because of the trouble, shock-absorbing rubber pad 12 can contact ground earlier than unmanned aerial vehicle, can offset the reaction force that is produced by ground, slows down the influence of this type of reaction force to unmanned aerial vehicle.

Further, first connecting rod 3, second connecting rod 7, third connecting rod 11, first pin 6 and second pin 8 are hollow structure, and just first connecting rod 3, second connecting rod 7, third connecting rod 11, first pin 6 and second pin 8 adopt aluminum alloy material to make, and aluminum alloy material has the light characteristics of texture, will the utility model discloses install and can not increase the whole too much weight of unmanned aerial vehicle on unmanned aerial vehicle horn 1, and then guarantee the operation that unmanned aerial vehicle can be stable.

Example 1: when unmanned aerial vehicle broke down and upwards climbed when bumping, the second pin 8 that sets up can be earlier 4 step collisions of unmanned aerial vehicle screw to limit for height structurally, second pin 8 can play limiting displacement to unmanned aerial vehicle, make unmanned aerial vehicle be difficult to continue upwards to climb, thereby protection unmanned aerial vehicle screw 4 can not hit the limit for height structurally, fine protection unmanned aerial vehicle screw 4's is intact, avoid some phenomena that have the potential safety hazard such as unmanned aerial vehicle falls to take place, possess good security.

Example 2: when the unmanned aerial vehicle breaks down and collides towards two sides, the arranged first stop lever 6 firstly enables the propeller 4 of the unmanned aerial vehicle to collide with a barrier object in one step, the first stop lever 6 can limit the unmanned aerial vehicle to make the unmanned aerial vehicle difficult to continue to move towards two sides, so that the propeller 4 of the unmanned aerial vehicle is protected from colliding with the barriers at two sides, the propeller 4 of the unmanned aerial vehicle is protected to be intact, in addition, when the first stop lever 6 collides with the barrier object, the first stop lever 6 can receive reverse acting force, at the moment, the damping spring 5 can be compressed to buffer the received reverse acting force, the influence of the reverse acting force on the unmanned aerial vehicle and the first stop lever 6 and the first connecting rod 3 is reduced, the stability of the posture of the unmanned aerial vehicle is ensured as much as possible, the first stop lever 6 and the first connecting rod 3 are prevented from deforming, the integrity of the propeller 4 of the unmanned aerial vehicle and the external objects is well, make this unmanned aerial vehicle screw 4 guard shield have good reliability.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above is only the typical example of the utility model, in addition, the utility model can also have other multiple concrete implementation manners, and the technical scheme that all adopt equivalent replacement or equivalent transform to form all falls within the scope of the utility model.

Claims (7)

1. The utility model provides an unmanned aerial vehicle screw safety cover, is including being used for connecting piece (2) with unmanned aerial vehicle horn (1), its characterized in that: be the outside extension of level on the outer wall of connecting piece (2) and be provided with many first connecting rod (3), the horizontal length of first connecting rod (3) is longer than the horizontal length of unmanned aerial vehicle screw (4), the extension of every first connecting rod (3) is served and all is equipped with damping spring (5), damping spring (5) are parallel arrangement with first connecting rod (3), the one end and first connecting rod (3) fixed connection of damping spring (5), it has first pin (6) to link on the other end, first pin (6) are the arc form setting, the inner arc wall and damping spring (5) of first pin (6) are connected, vertical upwards is equipped with second connecting rod (7) on the top of first connecting rod (3) and first pin (6), the vertical height of second connecting rod (7) is higher than the position height of unmanned aerial vehicle screw (4), upwards extend of second connecting rod (7) is served and is equipped with second pin (8).

2. The unmanned aerial vehicle propeller protection cover of claim 1, wherein: the number of the first connecting rods (3) is 3, and the distance between every two adjacent first connecting rods (3) is equal.

3. The unmanned aerial vehicle propeller protection cover of claim 2, wherein: second pin (8) are the fan-shaped setting, and the bottom position department of buckling of second pin (8) all inwards opens and has first spliced eye (9), and first spliced eye (9) suit with second connecting rod (7), and second pin (8) are served at the upwards extension of second connecting rod (7) through being equipped with first spliced eye (9) grafting.

4. The unmanned aerial vehicle propeller protection cover of claim 3, wherein: the top of first pin (6) and the top of being in first connecting rod (3) in the middle of inwards opening have second spliced eye (10), and the quantity of second spliced eye (10) is 3, and the mode of arranging of second spliced eye (10) has first spliced eye (9) one-to-one, and second connecting rod (7) are pegged graft on the top of first connecting rod (3) and first pin (6) through second spliced eye (10) that are equipped with.

5. The unmanned aerial vehicle propeller protection cover of claim 1, wherein: and a third connecting rod (11) is vertically and downwards arranged at the bottom of the first connecting rod (3), and a damping rubber pad (12) is arranged at the downwards extending end of the third connecting rod (11).

6. The unmanned aerial vehicle propeller protection cover of claim 5, wherein: the bottom of first connecting rod (3) is gone up to inwards opening has third spliced eye (13), all opens 2 third spliced eyes (13) on the bottom of every first connecting rod (3), and third spliced eye (13) through being equipped with are pegged graft on the bottom of first connecting rod (3) in third connecting rod (11).

7. The unmanned aerial vehicle propeller protection cover of claim 6, wherein: the first connecting rod (3), the second connecting rod (7), the third connecting rod (11), the first stop lever (6) and the second stop lever (8) are of hollow structures, and the first connecting rod (3), the second connecting rod (7), the third connecting rod (11), the first stop lever (6) and the second stop lever (8) are made of aluminum alloy materials.

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