CN220974583U - Unmanned aerial vehicle convenient for folding and unfolding foot rest - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle convenient for folding and unfolding a foot rest, which comprises an unmanned aerial vehicle body, wings and a fuselage; the bottom surface of the unmanned aerial vehicle body is provided with a foot rest through a rotating shaft hole in a switching way, the inner bottom of the unmanned aerial vehicle body is provided with a retraction system for controlling retraction of the foot rest, the retraction system and the foot rest form a rocker-like mechanism taking a motor as a driving source; the device carries out the mutual cooperation through the mechanical structure of receive and release system and removes, has realized the receive and release motion to unmanned aerial vehicle foot rest, makes unmanned aerial vehicle can accept in the recess after taking off the foot rest, reduces unmanned aerial vehicle and receives the area of air resistance in the sky, has alleviateed the vibrations of fuselage by a wide margin, can also reduce the energy consumption, and the practicality is stronger.

Description

Unmanned aerial vehicle convenient for folding and unfolding foot rest

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle convenient for folding and unfolding of foot frames.

Background

The unmanned aerial vehicle is a unmanned aerial vehicle operated by using radio remote control equipment and a self-provided program control device, and has the advantages of small volume, low manufacturing cost and convenient use compared with the unmanned aerial vehicle. Along with the development of unmanned aerial vehicle industry, more and more people apply unmanned aerial vehicle to among the fields such as agriculture, forestry, electric power, survey and drawing to play important role, played huge effect.

The foot rest of a large amount of unmanned aerial vehicle on the market all with fuselage integrated into one piece now, this design not only increases unmanned aerial vehicle whole volume, very occupation space, is unfavorable for packing and transportation moreover.

At present, the related technology of the retraction device for the unmanned aerial vehicle foot rest is not mature, an innovative technical scheme in the technical field is that a Chinese patent with publication number CN107757885A discloses a retraction device for the unmanned aerial vehicle foot rest, which comprises a bracket, a motor fixed on the bracket, a synchronous transmission part connected to an output shaft of the motor, a plurality of foot rests rotationally connected to the bracket, a worm wheel fixed on each foot rest and a worm meshed with the worm wheel, wherein the worm wheel is rotationally connected to the bracket through the synchronous transmission part, retraction and locking fixation of the unmanned aerial vehicle foot rest are completed through a mechanical structure, but in the technical scheme, the unmanned aerial vehicle foot rest is not completely retracted, only a connection structure is slightly rotated, and retraction of the foot rest is affected.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provides a unmanned aerial vehicle which is convenient for folding and unfolding a foot rest.

The aim of the utility model is achieved by the following technical scheme: an unmanned aerial vehicle convenient for folding and unfolding foot frames comprises an unmanned aerial vehicle body, wings and a body; the method is characterized in that: the foot rest is arranged on the bottom surface of the unmanned aerial vehicle body through the rotating shaft hole in a switching mode, a retraction system for controlling retraction of the foot rest is arranged at the inner bottom of the unmanned aerial vehicle body and is connected with the foot rest, and the retraction system and the foot rest form a rocker-like mechanism taking a motor as a driving source.

Preferably, the retraction system comprises a connecting rod, a rack, a slide bar, a limiting block, a gear and a motor; the limiting blocks are fixedly arranged on the bottom surface, a sliding rod is arranged between the two limiting blocks, a rack is arranged on the sliding rod in a sliding connection mode, the rack is meshed with a gear, the gear is fixedly arranged on a rotating shaft of the motor, and the motor is fixedly arranged on the bottom surface; the front end of the rack is provided with a connecting rod through a second rotating shaft in a switching way, and the front end of the connecting rod is connected to the middle part of the foot rest through a first rotating shaft in a switching way.

Preferably, the rack comprises a long end and a short end, the long end and the short end are connected to form an L shape, teeth are arranged on the upper end face of the long end, the short end is provided with a slide bar hole, and the slide bar is slidingly connected in the slide bar hole.

Preferably, the foot rest is symmetrically arranged in two.

Preferably, a groove is formed at the folding part of the foot rest, a rotating shaft is arranged in the groove, a rotating shaft hole of the foot rest is connected to the third rotating shaft in a switching mode, and the foot rest is embedded in the groove.

Preferably, a spring is provided in the recess at the end of the foot rest.

The utility model has one of the following advantages: the device realizes the retraction movement of the unmanned aerial vehicle foot rest through the mutual matching movement of the mechanical structure of the retraction system, so that the unmanned aerial vehicle can be accommodated in the groove after taking off, the area of the unmanned aerial vehicle which receives air resistance in the air is reduced, the vibration of the machine body is greatly reduced, the energy consumption can be reduced, and the practicability is stronger; the folding and unfolding system of the device accords with the mechanical principle, has fewer parts, is very suitable for being applied to production, can reduce the accommodating space of the whole unmanned aerial vehicle while solving the problem received by the unmanned aerial vehicle foot rest, reduces the packaging box, and accords with the industrial requirements of low carbon and environmental protection.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a bottom view of the present utility model.

Fig. 3 is a side view of the present utility model.

Fig. 4 is a schematic view of a retractable structure of a stand according to the present utility model.

Fig. 5 is a front view of the folding and unfolding structure of the foot stand of the utility model.

Fig. 6 is a schematic view of the structure of the rack of the present utility model.

In the figure, unmanned aerial vehicle (1), wing (2), fuselage (3), bottom surface (31), recess (311), pivot (312), foot rest (4), pivot hole (41), receive and release system (5), connecting rod (501), first revolute pair (5011), second revolute pair (5012), rack (502), long end (5021), short end (5022), slide bar hole (5023), slide bar (503), stopper (504), gear (505), motor (506).

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as 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. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The unmanned aerial vehicle convenient for folding and unfolding the foot rest is shown in the figures 1-6, and comprises an unmanned aerial vehicle body 1, wings 2 and a fuselage 3. The device is characterized in that a foot rest 4 is arranged on the bottom surface 31 of the unmanned aerial vehicle body 1 through a rotating shaft hole 401 in a switching mode, a retraction system 5 for controlling retraction of the foot rest 4 is arranged at the bottom in the unmanned aerial vehicle body 1 and is connected with the foot rest 4, and the retraction system 5 and the foot rest 4 form a rocker-like mechanism taking a motor 506 as a driving source. The device is powered by a motor 506, and the retraction or the release of the foot rest 4 is controlled by a retraction system 5. Specifically, the retraction system 5 of the device comprises a connecting rod 501, a rack 502, a slide bar 503, a limiting block 504, a gear 505 and a motor 506. The limiting blocks 504 are fixedly arranged on the bottom surface 31 and used for limiting the movement of the racks 502, a sliding rod 503 is arranged between the two limiting blocks 504, the racks 502 are arranged on the sliding rod 503 in a sliding connection mode, the racks 502 can slide on limited positions, the racks 502 are meshed with the gears 505, the gears 505 are fixedly arranged on the rotating shafts of the motors 506, and the motors 506 are fixedly arranged on the bottom surface 31. Then, the front end of the rack 502 is connected with the connecting rod 501 through the second rotating shaft 5012, and the front end of the connecting rod 501 is connected with the middle part of the foot rest 4 through the first rotating shaft 5011. Thus, a mechanism similar to a rocker mechanism is formed, the forward and backward rotation of the motor 506 drives the rack 502 to move forward and backward on the slide rod 503, and the connecting rod 501 at the front end of the slide rod 503 can pull the foot rest 4 to rotate by taking the rotating shaft hole 401 as the axis, so that the foot rest 4 can be folded and unfolded.

In this device, in order to make things convenient for the location drive of rack 502, rack 502 includes long end 5021 and short end 5022, and slide bar hole 5023, long end 5021 is connected with short end 5022 and is constituted the L shape, sets up the tooth on long end 5021's up end, sets up slide bar hole 5023 on short end 5022, slide bar 503 slip joint is in slide bar hole 5023.

In another embodiment, the foot stands 4 are arranged in two symmetrical pairs for facilitating parking of the drone. Meanwhile, in order to facilitate the retraction of the foot rest 4, the foot rest 4 can be retracted into the body, a groove 311 is formed at the folding position of the foot rest 4, a rotating shaft 312 is arranged in the groove 311, a rotating shaft hole 401 of the foot rest 4 is connected to the third rotating shaft 312 in a switching mode, and the foot rest 4 is embedded in the groove 311.

In another embodiment, in order to facilitate the opening of the stand 4, a spring is provided in the recess 311 at the end position of the stand 4.

In this dress, slide bar 503 and gear 505 are the mounting, and rack 502 is the moving part, the short end 5022 of rack 502 contacts the stopper 5023 on the left, and the foot rest is "put" state, the short end 5022 of rack 502 contacts the stopper 5023 on the right, and the foot rest is "receipts" state. When the rack 502 slides leftwards, the foot rest 4 correspondingly rotates, and when the short end 5022 of the rack 502 contacts the limiting block 504 at the left end of the sliding rod 503, the connecting rod 501 is pushed to drive the foot rest 4 to reach the maximum limiting, and the foot rest 4 is in a 'put' state, so that the whole retraction process of the foot rest 4 is completed. When the tripod is retracted, the spring props against the tripod 4, the spring is compressed, and when the tripod 4 is released, the tripod 4 is supported by the aid of the spring, so that the tripod 4 is prevented from being locked in the groove 311.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. An unmanned aerial vehicle convenient for folding and unfolding foot frames comprises an unmanned aerial vehicle body (1), wings (2) and a fuselage (3); the method is characterized in that: a foot rest (4) is arranged on the bottom surface (31) of the unmanned aerial vehicle body (1) in a switching way through a rotating shaft hole (401), a retraction system (5) for controlling retraction of the foot rest (4) is arranged in the bottom of the unmanned aerial vehicle body (1) and is connected with the foot rest (4), the retraction system (5) and the foot rest (4) form a rocker-like mechanism taking a motor (506) as a driving source, and the retraction system (5) comprises a connecting rod (501), a rack (502), a sliding rod (503), a limiting block (504), a gear (505) and a motor (506); the limiting blocks (504) are fixedly arranged on the bottom surface (31), a sliding rod (503) is arranged between the two limiting blocks (504), a rack (502) is arranged on the sliding rod (503) in a sliding connection mode, the rack (502) is meshed with a gear (505), the gear (505) is fixedly arranged on a rotating shaft of a motor (506), and the motor (506) is fixedly arranged on the bottom surface (31); the front end of rack (502) is through second pivot (5012) switching setting connecting rod (501), and the front end of connecting rod (501) is through the middle part of first pivot (5011) switching at foot rest (4), rack (502) are including long end (5021) and short end (5022), and slide bar hole (5023), long end (5021) are connected with short end (5022) and are constituted the L shape, set up the tooth on the up end of long end (5021), set up slide bar hole (5023) on short end (5022), slide bar (503) slip joint is in slide bar hole (5023).

2. The unmanned aerial vehicle for facilitating folding and unfolding of foot frames according to claim 1, wherein: the foot rest (4) is symmetrically arranged at two.

3. The unmanned aerial vehicle for facilitating folding and unfolding of foot frames according to claim 1, wherein: a groove (311) is formed in the folded position of the foot rest (4), a rotating shaft (312) is arranged in the groove (311), a rotating shaft hole (401) of the foot rest (4) is connected to a third rotating shaft (312) in a switching mode, and the foot rest (4) is embedded in the groove (311).

4. The unmanned aerial vehicle for facilitating folding and unfolding of foot frames according to claim 1, wherein: a spring is arranged at the tail end position of the foot rest (4) in the groove (311).