CN219884129U - Self-locking folding mechanism and unmanned aerial vehicle landing platform thereof - Google Patents

Abstract

The utility model relates to the technical field of folding mechanisms, in particular to a self-locking folding mechanism and an unmanned aerial vehicle landing platform thereof, comprising a folding assembly, a lifting mechanism and a lifting mechanism, wherein the folding assembly comprises two rotating parts which are coaxially and reversely arranged, chute seats respectively arranged at one side of the two rotating parts, and a fixed seat fixed at the other side of the two rotating parts; the rotary piece comprises an opening cylinder and a trigger rod, wherein one end of the trigger rod penetrates through the opening cylinder and is inserted into the opening cylinder; the folding assembly is convenient to use and wide in applicability, can provide self-locking in the unfolded and folded state, effectively ensures the unfolding and folding stability, avoids the defects of instability or self-rotation in the unfolded or folded state, can be used for meeting the conditions of the length of the support assembly, meets the use of terrains with different heights, reduces the use limitation, has higher horizontality and provides guarantee for the unmanned aerial vehicle to lift.

Description

Self-locking folding mechanism and unmanned aerial vehicle landing platform thereof

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a self-locking folding mechanism and an unmanned aerial vehicle landing platform thereof.

Background

Unmanned aerial vehicles have wide application in topography measurement, and the survey principle is as follows: unmanned aerial vehicle aerial survey is to survey terrain, shoot geographical images and the like by utilizing cameras, range finders and other instruments and post-processing software carried by an unmanned aerial vehicle, so as to obtain accurate measurement results;

however, on some special ground surfaces (sand beach, mountain area, desert, etc.), the unmanned aerial vehicle can not stably lift due to the fact that the unmanned aerial vehicle lacks a landing bracket and the phenomenon that the screw propeller is damaged by the concave-convex terrain can occur;

secondly, in order to conveniently carry the platform, the platform can be divided into two halves, the middle is connected through the hinge to realize rotary folding, and the problem that the folding and unfolding states are unstable easily occurs because the existing hinge can not carry out self-locking on the unfolding state and the folding state.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In view of the above-mentioned problem that the existing hinges cannot perform self-locking on the unfolded state and the folded state, the folded state and the unfolded state are unstable easily, a self-locking folding mechanism is proposed.

It is therefore one of the objects of the present utility model to provide a self-locking folding mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: a self-locking folding mechanism comprises a folding mechanism body,

the folding assembly comprises two rotating parts which are coaxially arranged and are in reverse arrangement, chute seats respectively arranged at one sides of the two rotating parts, and a fixed seat fixed at the other sides of the two rotating parts;

the rotary piece comprises an opening cylinder and a trigger rod, wherein one end of the trigger rod penetrates through the opening cylinder and is inserted into the opening cylinder;

the separation disc separates the cavity inside the opening cylinder into a self-locking cavity and a movable cavity;

as a preferable scheme of the self-locking folding mechanism, the rotary grooves of the opening cylinder are formed in the outer side of the opening cylinder along the axial direction of the opening cylinder, the pushing grooves are communicated with the two rotary grooves and the movable cavity, and locking grooves are formed in the outer side of the opening cylinder at positions corresponding to the upper ends of the two rotary grooves.

As a preferable scheme of the self-locking folding mechanism, the chute seat comprises a plate, a movable groove is formed in the surface of the plate, and a sliding guide groove which is inclined downwards and penetrates through the plate is formed in the movable groove.

As a preferable scheme of the self-locking folding mechanism, one end of the trigger rod positioned in the self-locking cavity is fixedly provided with a limiting disc, the other end of the trigger rod is fixedly provided with a trigger button, the positions of the outer parts of the trigger rod corresponding to the two rotating grooves are respectively sleeved and fixed with a fixed sleeve, the outer sides of the two fixed sleeves are respectively fixedly provided with a guide supporting rod, and the other ends of the two guide supporting rods sequentially penetrate through the rotating grooves and the sliding guide grooves to extend into the movable grooves and are fixedly provided with sliding blocks.

As a preferable scheme of the self-locking folding mechanism, a self-locking spring is sleeved between the limiting disc and the separating disc outside the trigger rod in the self-locking cavity.

As an optimal scheme of the self-locking folding mechanism, the depth of the self-locking cavity is 1/3 of the total depth of the movable cavity.

The contact surface of the separation disc and the trigger rod is provided with a perforation for the separation disc to pass through.

The utility model has the beneficial effects that: the folding assembly is convenient to use and wide in applicability, can provide self-locking in the unfolded and folded state, effectively ensures the stability of unfolding and folding, and avoids the defect of unstable or self-rotation in the unfolded or folded state.

In view of the fact that the unmanned aerial vehicle lacks a landing support, the phenomenon that the screw is damaged by the concave-convex terrain can occur, so that the unmanned aerial vehicle cannot stably lift, and an unmanned aerial vehicle landing platform is provided.

Therefore, the utility model also provides an unmanned aerial vehicle landing platform.

In order to solve the technical problems, the utility model also provides the following technical scheme: the self-locking folding mechanism comprises the self-locking folding mechanism and also comprises a table top component, wherein the table top component comprises two plate surfaces with disc structures;

as a preferable scheme of the unmanned aerial vehicle landing platform, four support assemblies are arranged at the bottom of the plate surface in an annular array.

As a preferable scheme of the unmanned aerial vehicle landing platform, L-shaped hinge grooves are formed in the positions, at the bottoms, of the merging sides of the two plate surfaces, and storage grooves are formed in the positions, corresponding to the four support assemblies, of the bottoms of the two plate surfaces;

the upper surface embedding of one of them face is provided with the levelling rod.

As a preferable scheme of the unmanned aerial vehicle landing platform, the supporting component comprises a first supporting leg, one end of the first supporting leg is fixed with a rotating shaft which is rotationally connected with one end of the inner side of the storage groove, the other end of the first supporting leg is inserted with a second supporting leg, the other end of the second supporting leg is inserted with a third supporting leg, and the tail end of the third supporting leg is fixed with a pointed cone.

As an optimal scheme of the unmanned aerial vehicle landing platform, the outer sides of the first supporting leg and the second supporting leg are respectively connected with fastening bolts in a threaded mode.

The utility model has the beneficial effects that: the supporting component can be used for self-running condition length, the terrain of different heights is met, the use limitation is reduced, the supporting component has higher horizontality, guarantees are provided for the landing of the unmanned aerial vehicle, and the problem that the wing of the unmanned aerial vehicle is damaged due to uneven height is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the whole structure of a self-locking folding mechanism and an unmanned aerial vehicle landing platform thereof.

Fig. 2 is a schematic structural view of the self-locking folder of the present utility model.

Fig. 3 is a schematic structural view of the opening cylinder and the trigger lever in the self-locking folding mechanism of the present utility model.

Fig. 4 is an exploded view of the self-locking folding mechanism of the present utility model.

Fig. 5 is a plan sectional view of the present utility model taken along the direction a in fig. 3.

Fig. 6 is a schematic structural diagram of the landing platform of the unmanned aerial vehicle of the present utility model.

Fig. 7 is a schematic top view of fig. 6 according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1, there is provided a schematic overall structure of a self-locking folding mechanism, as in fig. 1-3, a self-locking folding mechanism comprising,

the folding assembly 100 comprises two rotating pieces 101 which are coaxially and reversely arranged, chute seats 102 respectively arranged on one sides of the two rotating pieces 101, and a fixed seat 103 fixed on the other sides of the two rotating pieces 101;

wherein the rotary member 101 includes an opening cylinder 101a and a trigger rod 101b, one end of the trigger rod 101b is inserted into the opening cylinder 101a from a through hole of the opening cylinder 101a, wherein the diameter of the trigger rod 101b is consistent with the opening inner diameter of the opening cylinder 101a, so that the trigger rod 101b can be inserted into the opening cylinder 101 a;

specifically, a separation disc 101a-1 is fixed in the inner cavity of the opening cylinder 101a, and the separation disc 101a-1 separates the inner cavity of the opening cylinder 101a into a self-locking cavity H and a movable cavity M;

specifically, two rotating grooves 101a-2 which are arc structures and are communicated with the movable cavity M are formed in the outer side of the opening cylinder 101a, a pushing groove 101a-3 which is communicated with the two rotating grooves 101a-2 and the movable cavity M is formed in the outer side of the opening cylinder 101a along the axial direction of the opening cylinder 101a, and locking grooves 101a-4 are formed in the outer side of the opening cylinder 101a at positions corresponding to the upper ends of the two rotating grooves 101 a-2.

Specifically, the chute seat 102 includes a plate 102a, a movable slot 102a-1 is formed on the surface of the plate 102a, and a sliding guide slot 102a-2 that is inclined downward and penetrates the plate 102a is formed in the movable slot 102 a-1.

Specifically, a limiting disc 101b-1 is fixed at one end of a trigger rod 101b in the self-locking cavity H, a trigger button 101b-2 is fixed at the other end of the trigger rod 101b, a fixed sleeve 101b-3 is sleeved and fixed at the position of the outer part of the trigger rod 101b corresponding to the two rotary grooves 101a-2, a guide supporting rod 101b-4 is fixed at the outer sides of the two fixed sleeves 101b-3, and the other ends of the two guide supporting rods 101b-4 sequentially penetrate through the rotary grooves 101a-2 and the sliding guide grooves 102a-2 to extend into the movable groove 102a-1 and are fixedly provided with a sliding block 101b-5.

Specifically, the depth of the self-locking cavity H is 1/3 of the total depth of the movable cavity M.

Specifically, the contact surface of the separation disc 101a-1 and the trigger lever 101b is provided with a through hole through which the separation disc passes.

The operation process comprises the following steps: the plate 102a and the fixing seat 103 are respectively fixed on the inner sides of two plates to be folded through bolts, when the plates are unfolded, the trigger button 101b-2 is manually pulled, the trigger button 101b-2 is pulled and drives the trigger rod 101b to move along the axial direction of the opening cylinder 101a, at the moment, the guide support rod 101b-4 is positioned in the pushing groove 101a-3, when the trigger rod 101b moves, the guide support rod 101b-4 is driven to move along the pushing groove 101a-3 and the sliding guide groove 102a-2 through the fixing sleeve 101b-3, when the guide support rod 101b-4 moves to the end point of the pushing groove 101a-3, the plates with the plate 102a installed are rotated, the guide support rod 101b-4 is further rotated along the direction of the rotating groove 101a-2, and when the guide support rod 101b-4 rotates to the end point of the rotating groove 101a-2, the trigger button 101b-2 is pressed, so that the guide support rod 101b-4 is clamped into the locking groove 101a-4 to complete the unfolding, and the limitation of the locking groove 101a-4 is achieved, when the plates 102a are installed, and the plate 102 cannot be stably unfolded or cannot be rotated by oneself;

when folding, the trigger button 101b-2 is pulled to enable the guide supporting rod 101b-4 to withdraw from the locking groove 101a-4, at the moment, the plate provided with the plate 102a can be rotated, the guide supporting rod 101b-4 rotates along the rotating groove 101a-2, when the guide supporting rod 101b-4 rotates to the pushing groove 101a-3, folding is completed, the trigger button 101b-2 is pressed, the trigger rod 101b drives the guide supporting rod 101b-4 to push along the pushing groove 101a-3, locking is completed again, and the defect that a folded piece is automatically opened due to movement in the folding process is overcome.

Example 2

Referring to fig. 4-5, this embodiment differs from the first embodiment in that: the outer part of the trigger rod 101b positioned in the self-locking cavity H is positioned between the limiting disc 101b-1 and the separating disc 101a-1, and a self-locking spring 101b-6 is sleeved.

The rest of the structure is the same as in embodiment 1.

The operation process comprises the following steps: the plate 102a and the fixed seat 103 are respectively fixed on the inner sides of two plates to be folded through bolts, the trigger button 101b-2 is manually pulled during unfolding, the trigger button 101b-2 drives the trigger rod 101b to move along the axial direction of the opening cylinder 101a, at the moment, the guide support rod 101b-4 is positioned in the pushing groove 101a-3, the limiting disc 101b-1 at the tail end of the trigger rod 101b can squeeze the self-locking spring 101b-6 when the trigger rod 101b moves, the self-locking spring 101b-6 is compressed under the limit of the limiting disc 101a-1, the fixed sleeve 101b-3 drives the guide support rod 101b-4 to move along the pushing groove 101a-3 and the sliding guide groove 102a-2, when the guide support rod 101b-4 moves to the end point of the pushing groove 101a-3, the guide support rod 101b-4 rotates along the direction of the rotating groove 101a-3, the trigger button 101b-2 is released, the self-locking spring 101b-6 is driven to automatically loosen, and the self-locking of the trigger rod 101b-4 can not be locked when the self-locking spring 101b-4 does not rotate, and the self-expansion of the plate 101a cannot be completed, and the plate 101b-4 cannot be limited, and the self-locking expansion cannot be automatically limited, and the plate 101b-4 cannot be automatically prevented from being automatically expanded, and the plate is prevented from being automatically expanded;

when the folding device is folded, the trigger button 101b-2 is pulled to enable the guide supporting rod 101b-4 to withdraw from the locking groove 101a-4, at the moment, the self-locking spring 101b-6 is pressed, the plate provided with the plate 102a is rotated, the guide supporting rod 101b-4 rotates along the rotating groove 101a-2, when the guide supporting rod 101b-4 rotates to the pushing groove 101a-3, the trigger rod 101b is reset under the tension of the self-locking spring 101b-6, the trigger rod 101b drives the guide supporting rod 101b-4 to push along the pushing groove 101a-3, folding locking is completed, and the defect that a folding piece is automatically opened due to movement in the folding process is overcome.

Example 3

Referring to fig. 6-7, this embodiment differs from the above embodiments in that: the embodiment discloses an unmanned aerial vehicle landing platform, which comprises the self-locking folding mechanism and also comprises a table top assembly 200, wherein the table top assembly 200 comprises two plate surfaces 201 with disc structures, and the plate surfaces 201 are members made of oak materials;

the four support assemblies 300 are arranged at the bottom of the plate surface 201 in an annular array.

Specifically, the positions of the merging sides of the two plate surfaces 201 at the bottom are provided with an L-shaped hinge groove 202, and the positions of the bottoms of the two plate surfaces 201 corresponding to the four support assemblies 300 are provided with a storage groove 203;

specifically, a leveling rod 204 is embedded in the upper surface of one of the plate surfaces 201.

Specifically, the support assembly 300 includes a first support leg 301, one end of the first support leg 301 is fixed with a rotation shaft rotatably connected to one end of the inner side of the storage slot 203, the other end of the first support leg 301 is inserted with a second support leg 302, the other end of the second support leg 302 is inserted with a third support leg 303, and the end of the third support leg 303 is fixed with a pointed cone.

Further, the outer sides of the first support leg 301 and the second support leg 302 are both screwed with fastening bolts.

The rest of the structure is the same as in embodiment 2.

The operation process comprises the following steps: the first supporting legs 301 are rotated downwards by taking the rotating shafts as fulcrums, 100 degrees are rotated, the four first supporting legs 301 are unfolded completely and then are of trapezoid structures, the fastening bolts are rotated according to different heights of terrains, the extending lengths of the second supporting legs 302 and the third supporting legs 303 are adjusted, each pointed cone is inserted into the ground, meanwhile, the levelness of the board 201 is ensured according to the measurement of the leveling rod 204, the bolts are fastened again after the levelness condition is finished, the first supporting legs 301 and the third supporting legs 303 are stably supported, the lifting stability of the unmanned aerial vehicle is ensured, and different complex terrains can be met.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A self-locking folding mechanism, characterized in that: comprising the steps of (a) a step of,

the folding assembly (100) comprises two rotating pieces (101) which are coaxially and reversely arranged, chute seats (102) respectively arranged on one sides of the two rotating pieces (101), and a fixed seat (103) fixed on the other sides of the two rotating pieces (101);

wherein the rotary member (101) includes an opening cylinder (101 a) and a trigger lever (101 b), and one end of the trigger lever (101 b) is inserted into the opening cylinder (101 a) from a through hole of the opening cylinder (101 a);

a separation disc (101 a-1) is fixed in the inner cavity of the opening cylinder (101 a), and the separation disc (101 a-1) separates the inner cavity of the opening cylinder (101 a) into a self-locking cavity (H) and a movable cavity (M);

the outer side of the opening cylinder (101 a) is provided with two rotating grooves (101 a-2) which are arc-shaped structures and are communicated with the movable cavity (M), the outer side of the opening cylinder (101 a) is provided with pushing grooves (101 a-3) which are communicated with the two rotating grooves (101 a-2) and the movable cavity (M) along the axial direction of the opening cylinder, and the outer side of the opening cylinder (101 a) is provided with locking grooves (101 a-4) corresponding to the upper end positions of the two rotating grooves (101 a-2).

2. The self-locking folding mechanism of claim 1, wherein: the chute seat (102) comprises a plate (102 a), wherein a movable groove (102 a-1) is formed in the surface of the plate (102 a), and a sliding guide groove (102 a-2) which is inclined downwards and penetrates through the plate (102 a) is formed in the movable groove (102 a-1).

3. The self-locking folding mechanism of claim 2, wherein: the self-locking device is characterized in that a limiting disc (101 b-1) is fixed at one end of a trigger rod (101 b) in a self-locking cavity (H), a trigger button (101 b-2) is fixed at the other end of the trigger rod (101 b), fixed sleeves (101 b-3) are sleeved and fixed at positions, corresponding to two rotary grooves (101 a-2), of the outer parts of the trigger rod (101 b), guide supporting rods (101 b-4) are fixed at the outer sides of the two fixed sleeves (101 b-3), and the other ends of the two guide supporting rods (101 b-4) sequentially penetrate through the rotary grooves (101 a-2) and the sliding guide grooves (102 a-2) to extend into the movable grooves (102 a-1) and are fixedly provided with sliding blocks (101 b-5).

4. A self-locking folding mechanism according to claim 3, wherein: the outer part of the trigger rod (101 b) positioned in the self-locking cavity (H) is positioned between the limiting disc (101 b-1) and the separation disc (101 a-1) and is sleeved with a self-locking spring (101 b-6).

5. The self-locking folding mechanism of claim 1 or 4, wherein: the depth of the self-locking cavity (H) is 1/3 of the total depth of the movable cavity (M).

6. The self-locking folding mechanism of claim 5, wherein: the contact surface of the separation disc (101 a-1) and the trigger rod (101 b) is provided with a perforation for the separation disc to pass through.

7. An unmanned aerial vehicle landing platform, its characterized in that: comprising a self-locking folding mechanism according to any of claims 1-6, further comprising a table top assembly (200), said table top assembly (200) comprising two plate surfaces (201) in a disc structure;

the support assemblies (300) are arranged at the bottom of the plate surface (201) in an annular array.

8. The unmanned aerial vehicle landing platform of claim 7, wherein: the combined sides of the two plate surfaces (201) are provided with L-shaped hinge grooves (202) at the positions at the bottom, and the bottoms of the two plate surfaces (201) are provided with storage grooves (203) at the positions corresponding to the four support assemblies (300);

a leveling rod (204) is embedded in the upper surface of one of the plate surfaces (201).

9. The unmanned aerial vehicle landing platform of claim 7 or 8, wherein: the supporting assembly (300) comprises a first supporting leg (301), a rotating shaft which is rotationally connected with one end of the inner side of the storage groove (203) is fixed at one end of the first supporting leg (301), a second supporting leg (302) is inserted at the other end of the first supporting leg (301), a third supporting leg (303) is inserted at the other end of the second supporting leg (302), and a pointed cone is fixed at the tail end of the third supporting leg (303).

10. The unmanned aerial vehicle landing platform of claim 9, wherein: the outer sides of the first supporting leg (301) and the second supporting leg (302) are respectively connected with a fastening bolt in a threaded mode.