CN216332705U - Quick detach mechanism and unmanned aerial vehicle - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a quick release mechanism and an unmanned aerial vehicle, which comprise a first connecting piece, a second connecting piece and a fixing piece, wherein the fixing piece is sleeved on the second connecting piece, the first connecting piece is provided with an external thread, one end of the fixing piece is provided with an internal thread matched with the external thread, at least one anti-skidding lug is arranged between the tail end of the external thread and the adjacent thread of the external thread, and the initial section of the internal thread is provided with at least one anti-skidding groove matched with the anti-skidding lug. The quick-release mechanism provided by the utility model is simple in structure, convenient to operate, capable of being quickly released and quickly assembled, and capable of prolonging the service life of the quick-release mechanism.

Description

Quick detach mechanism and unmanned aerial vehicle

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a quick release mechanism and an unmanned aerial vehicle.

Background

Unmanned aerial vehicles are in fact a general term for unmanned aerial vehicles, and can be defined from a technical perspective as follows: unmanned fixed wing aircraft, unmanned VTOL aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, unmanned paravane, etc. Compared with manned aircraft, it has the advantages of small volume, low cost, convenient use, low requirement on the operational environment, strong battlefield viability and the like.

Along with the development and progress of the technology in recent years, the application of the unmanned aerial vehicle gradually extends from the military field to the civil field, the application range is continuously widened, and the unmanned aerial vehicle is gradually mature in the industries of consumption, plant protection, electric power, security protection, surveying and mapping and the like. Unmanned aerial vehicles play an increasingly important role in national economy and social production life.

In the process of implementing the utility model, the inventor finds that at least the following problems exist in the prior art: large-scale many rotor unmanned aerial vehicle is along with the increase of load, and unmanned aerial vehicle's rotor also is bigger and bigger, therefore unmanned aerial vehicle's fuselage also increases thereupon. The complicacy that current unmanned aerial vehicle rapid disassembly structure often did, unmanned aerial vehicle's weight has further been increased, influence its load performance, unmanned aerial vehicle's transportation is subject to unmanned aerial vehicle haulage vehicle's loading size, thereby influence unmanned aerial vehicle's conveying efficiency, transport for the packing and bring a great deal of inconvenience, if the condition that part damages or other need change parts appears, can't realize quick assembly disassembly and come into operation, a large amount of time has been wasted to complicated installation, a great deal of inconvenience has been brought for the user. On the other hand, unmanned aerial vehicle can take place to jolt and vibrate at the flight in-process, directly reduces the compactness of quick detach mechanism closure, thereby leads to taking off to shift and influence unmanned aerial vehicle overall structure's steadiness.

Disclosure of Invention

In view of this, the utility model aims to provide a quick release mechanism and an unmanned aerial vehicle, which are simple in structure and not easy to loosen.

The utility model provides a quick-release mechanism, which comprises a first connecting piece, a second connecting piece and a fixing piece, wherein the fixing piece is sleeved on the second connecting piece, the first connecting piece is provided with an external thread, one end of the fixing piece is provided with an internal thread matched with the external thread, at least one anti-skid lug is arranged between the tail end of the external thread and the adjacent thread of the external thread, and the initial section of the internal thread is provided with at least one anti-skid groove matched with the anti-skid lug.

Furthermore, the other end of the fixing piece radially extends inwards to form a first limiting part, a second limiting part is arranged on the outer wall of the second connecting piece, and the second limiting part is matched with the first limiting part.

Further, the number of the anti-slip grooves is larger than that of the anti-slip convex blocks.

Further, the first connecting piece and the second connecting piece are both hollow structures.

Furthermore, one end of the second connecting piece is provided with an inserting part, and the inserting part is inserted into one end of the first connecting piece.

Furthermore, a first clamping portion is arranged on the inner wall of the first connecting piece, and a second clamping portion matched with the first clamping portion is arranged on the outer wall of the inserting portion.

Furthermore, an annular flange is arranged on the first connecting piece and is close to the tail end of the external thread.

Furthermore, a first identification part is arranged on the first connecting piece, and a second identification part is arranged on the fixing piece.

Furthermore, an anti-slip layer is arranged on the outer wall of the fixing piece.

Further, the utility model also provides an unmanned aerial vehicle which comprises the quick release mechanism.

Compared with the prior art, the utility model has the following advantages:

a) the utility model adopts the structure that at least one anti-skid lug is arranged between the tail end of the external thread and the adjacent thread, and at least one anti-skid groove matched with the anti-skid lug is arranged on the initial section of the internal thread; can effectively avoid unmanned aerial vehicle to jolt vibrations and arouse that quick detach mechanism is not hard up, shift, guarantee unmanned aerial vehicle overall structure's steadiness.

b) According to the utility model, a first limiting part extends inwards and radially from the other end of the fixing part, a second limiting part is arranged on the outer wall of the second connecting piece, and the second limiting part is matched with the first limiting part; the quick-release mechanism has a simpler structure, is convenient to operate, and can be quickly released and quickly mounted.

c) The number of the anti-skid grooves is larger than that of the anti-skid lugs; the screw thread is easily receive wearing and tearing during the use, and the screw thread of wearing and tearing can lead to threaded connection's intensity to show and reduce, and the antiskid recess that the quantity is more can further play fastening effect with the skid proof block adaptation, increase of service life.

d) The first connecting piece and the second connecting piece are both of hollow structures; the hollow structure reduces the weight of the utility model, is more convenient to use, and can install components, arrange circuits and the like in the hollow cavity.

e) According to the utility model, one end of the second connecting piece is provided with the inserting part, and the inserting part is inserted into one end of the first connecting piece; the structural stability of the quick release mechanism can be further improved.

f) The inner wall of the first connecting piece is provided with a first clamping part, and the outer wall of the second connecting piece is provided with a second clamping part matched with the first clamping part; the clamping portion is arranged to prevent the first connecting piece and the second connecting piece from rotating relatively, and the quick-release mechanism is ensured to be connected stably.

g) The first connecting piece is provided with an annular flange, and the annular flange is close to the tail end of the external thread; the annular flange can play limiting role to the fixing piece on the one hand, and on the other hand can avoid dust, sundries and the like from entering a gap between the internal thread and the external thread to cause the condition of aggravating abrasion.

h) The first connecting piece is provided with a first identification part, and the fixing piece is provided with a second identification part; the setting of sign portion plays the indicative function to the operator, avoids the wearing and tearing that the artificial antiport screw thread leads to the screw thread.

i) The outer wall of the fixing piece is provided with an anti-skid layer; the anti-skid layer can be arranged to facilitate the operation with less labor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic diagram of the explosive structure of the present invention.

Fig. 3 is a schematic perspective view of fig. 1.

Fig. 4 is a schematic structural view of the fixing member of the present invention.

Fig. 5 is a schematic structural view of the first connecting member of the present invention.

The labels in the figure are respectively: 10 first connecting piece, 11 external screw thread, 111 anti-skidding lug, 12 first clamping part, 13 annular flange, 20 second connecting piece, 21 second spacing part, 22 second clamping part, 23 plug part, 30 fixed part, 31 internal screw thread, 311 anti-skidding groove, 32 first spacing part, 33 anti-skidding layer.

Detailed Description

The following description is made with reference to the accompanying drawings and a specific embodiment.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Example 1:

see fig. 1-4. What this embodiment described is a quick detach mechanism, including first connecting piece 10, second connecting piece 20 and mounting 30, mounting 30 cup joints on one end of second connecting piece 20 to can follow second connecting piece 20 axial slip, the one end of mounting 30 is inwards radially extended has first spacing portion 32, be equipped with the second spacing portion 21 with first spacing portion 32 complex on the outer wall of second connecting piece 20 one end. One end of the first connecting piece 10 is provided with an external thread 11, the other end of the fixing piece 30 is provided with an internal thread 31 matched with the external thread 11, an anti-skid lug 111 is arranged between the tail end of the external thread 11 and the adjacent thread thereof, and an anti-skid groove 311 matched with the anti-skid lug 111 is arranged on the initial section of the internal thread 31. When the internal thread 31 and the external thread 11 are screwed to the locking position, the anti-slip bump 111 is engaged with the anti-slip groove 311, at this time, one side of the second limiting portion 21 abuts against the inner side of the first limiting portion 32, the other side of the second limiting portion 21 abuts against the end face of one end of the first connecting piece 10, and the end faces of the first limiting portion 32 and the first connecting piece 10 realize the fixing and limiting of the second connecting piece 20 in the axial direction through the abutting of the second limiting portion 21.

Example 2:

see fig. 1-4. The embodiment describes a quick release mechanism, which comprises a first connecting piece 10, a second connecting piece 20 and a fixing piece 30, wherein the first connecting piece 10 and the second connecting piece 20 are both hollow structures. The fixing member 30 is sleeved on one end of the second connector 20 and can slide along the axial direction of the second connector 20, and one end of the fixing member 30 extends inwards and radially to form a first limiting portion 32. And a second limiting part 21 matched with the first limiting part 32 is arranged on the outer wall of one end of the second connecting piece 20. One end of the second connecting piece 20 close to the second limiting portion 21 extends outward and axially to form an inserting portion 23, the outer diameter of the inserting portion 23 is matched with the inner diameter of the first connecting piece 10, and the inserting portion 23 is inserted into one end of the first connecting piece 10 to improve the connection stability. One end of the first connecting piece 10 is provided with an external thread 11, the other end of the fixing piece 30 is provided with an internal thread 31 matched with the external thread 11, two anti-skid lugs 111 are arranged between the tail end of the external thread 11 and the adjacent threads of the external thread, and two anti-skid grooves 311 matched with the anti-skid lugs 111 are arranged on the initial section of the internal thread 31. When the internal thread 31 and the external thread 11 are screwed to the locking position, the two anti-slip protrusions 111 are engaged with the two anti-slip grooves 311, at this time, one side of the second limiting portion 21 abuts against the inner side of the first limiting portion 32, the other side of the second limiting portion 21 abuts against the end face of one end of the first connecting piece 10, and the end faces of the first limiting portion 32 and the first connecting piece 10 realize the fixing and limiting of the second connecting piece 20 in the axial direction through the abutting of the second limiting portion 21.

Example 3:

see fig. 1-5. In this embodiment, what is described is a further technical solution in embodiment 2, and therefore, the content described in embodiment 2 is not repeated in this embodiment, specifically, a first clamping portion 12 is disposed on an inner wall of the first connecting member 10, a second clamping portion 22 matched with the first clamping portion 12 is disposed on an outer wall of the insertion portion 23, and the first clamping portion 12 and the second clamping portion 22 are both of a planar structure and are used for preventing the first connecting member 10 and the second connecting member 20 from rotating relatively.

In the present embodiment, an annular flange 13 extends radially outwardly from the outer wall of the first connecting member 10, and the annular flange 13 is located near the end of the external thread 11. The annular flange 13 can limit the fixing member 30, and prevent dust and impurities from entering a gap between the internal thread 31 and the external thread 11 to cause heavy abrasion.

Example 4:

see fig. 1-5. In this embodiment, what is described in this embodiment is a quick release mechanism, which includes a first connecting member 10, a second connecting member 20, and a fixing member 30, where the first connecting member 10 and the second connecting member 20 are both hollow structures, and an anti-slip layer 33 is disposed on an outer wall of the fixing member 30. The fixing member 30 is sleeved on one end of the second connector 20 and can slide along the axial direction of the second connector 20, and one end of the fixing member 30 extends inwards and radially to form a first limiting portion 32. And a second limiting part 21 matched with the first limiting part 32 is arranged on the outer wall of one end of the second connecting piece 20. An inserting part 23 extends axially from one end of the second connecting part 20 close to the second limiting part 21, and the inserting part 23 is inserted into one end of the first connecting part 10 to improve the connection stability. One end of the first connecting piece 10 is provided with an external thread 11, the other end of the fixing piece 30 is provided with an internal thread 31 matched with the external thread 11, three anti-skid lugs 111 are arranged between the tail end of the external thread 11 and the adjacent threads thereof, and seven anti-skid grooves 311 are arranged on the initial section of the internal thread 31. When the internal thread 31 and the external thread 11 are screwed to the locking position, the three anti-slip protrusions 111 fall into the three anti-slip grooves 311 near the start of the internal thread 31. The significance of the seven anti-slip grooves 311 provided in the present embodiment is: when the internal thread 31 and the external thread 11 are loosened due to wear, the three anti-slip protrusions 111 may be engaged with any three adjacent anti-slip grooves 311 distant from the start of the internal thread 31 to achieve a tight coupling effect.

In this embodiment, a first identification portion (not shown) is disposed on the first connecting member 10, a second identification portion (not shown) is disposed on the fixing member 30, when the first identification portion is aligned with the second identification portion, it is described that the internal thread 31 and the external thread 11 are already matched in place, at this time, one side of the second limiting portion 21 abuts against the inner side of the first limiting portion 32, the other side of the second limiting portion 21 abuts against the end face of one end of the first connecting member 10, and the first limiting portion 32 and the end face of the first connecting member 10 realize fixing and limiting of the second connecting member 20 in the axial direction by abutting against the second limiting portion 21.

Example 5:

described in this embodiment is a drone including a drone and the quick release mechanism described in any of embodiments 1-4. The other end of first connecting piece 10 is connected with unmanned aerial vehicle's fuselage, the other end of second connecting piece 20 is connected with unmanned aerial vehicle's horn.

It should be noted that the technical solution of disposing the anti-slip protrusion 111 between the end of the internal thread 31 and the adjacent thread thereof and disposing the anti-slip groove 311 on the initial section of the external thread 11 also falls within the protection scope of the present invention.

The working principle of the utility model is as follows:

and (3) quick installation: when the fixing member 30 is used, the fixing member 30 is sleeved on the second connecting member 20, and only the inserting part 23 is inserted into the threaded end of the first connecting member 10, and then the fixing member 30 is rotated until the first identification part is aligned with the second identification part. If the thread is worn and loosened, the fixing member 30 is rotated until the anti-slip protrusions 111 are engaged with the anti-slip grooves 311.

And (3) quick disassembly: when the first connecting piece 10 is pulled down, the fixing piece 30 is rotated until the internal thread 31 is separated from the external thread 11.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims (10)

1. The utility model provides a quick detach mechanism, includes first connecting piece (10), second connecting piece (20) and mounting (30), its characterized in that, mounting (30) cup joint on second connecting piece (20), be equipped with external screw thread (11) on first connecting piece (10), the one end of mounting (30) be equipped with external screw thread (11) complex internal thread (31), be equipped with at least one skid proof block (111) between external screw thread (11) end and its adjacent screw thread, be equipped with on the initial section of internal thread (31) at least one with skid proof block (111) complex anti-skidding recess (311).

2. The quick release mechanism of claim 1, characterized in that a first limiting portion (32) radially extends inward from the other end of the fixing member (30), a second limiting portion (21) is disposed on the outer wall of the second connecting member (20), and the second limiting portion (21) is matched with the first limiting portion (32).

3. The quick release mechanism according to claim 1, characterized in that the number of the anti-slip grooves (311) is larger than the number of the anti-slip protrusions (111).

4. The quick release mechanism according to claim 1, characterized in that the first connector (10) and the second connector (20) are both hollow.

5. The quick release mechanism according to claim 4, characterized in that one end of the second connecting member (20) is provided with an insertion portion (23), and the insertion portion (23) is inserted into one end of the first connecting member (10).

6. The quick release mechanism of claim 5, characterized in that the inner wall of the first connecting member (10) is provided with a first clamping portion (12), and the outer wall of the insertion portion (23) is provided with a second clamping portion (22) matched with the first clamping portion (12).

7. The quick release mechanism according to claim 1, characterized in that the first connector (10) is provided with an annular flange (13), and the annular flange (13) is close to the end of the external thread (11).

8. The quick release mechanism according to claim 1, characterized in that the first connector (10) is provided with a first identification portion and the fixing member (30) is provided with a second identification portion.

9. The quick release mechanism according to claim 1, characterized in that the outer wall of the fixing member (30) is provided with an anti-slip layer (33).

10. An unmanned aerial vehicle comprising the quick release mechanism of any one of claims 1-9.

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