CN219134579U

CN219134579U - Folding support piece

Info

Publication number: CN219134579U
Application number: CN202320225196.9U
Authority: CN
Inventors: 马冰迪; 张桂兴; 陈开亮
Original assignee: Nanjing Xinbo Technology Co ltd
Current assignee: Nanjing Xinbo Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-06
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a folding supporting piece which relates to the technical field of unmanned aerial vehicles, and comprises a fixed base and an unmanned aerial vehicle body fixed above the fixed base, wherein the upper end part of the unmanned aerial vehicle body is square, a supporting component is arranged at the lower end part of the fixed base and comprises a protective cover, the protective cover is fixedly arranged on the fixed base, a miniature electric push rod is fixedly arranged at the lower middle part of an inner cavity of the protective cover, a guide rack is fixedly arranged at the upper end part of the miniature electric push rod, transmission gears are symmetrically arranged at the left side and the right side of the guide rack and meshed with the guide rack, supporting legs are fixedly arranged at the outer end part of the transmission gears, strip-shaped guide grooves are respectively arranged at the left side and the right side of the protective cover, the supporting legs are movably connected with the strip-shaped guide grooves, and the transmission gears are rotatably connected to the protective cover. According to the method and the device, the state of the supporting component can be adjusted in real time according to the actual use state, and the use effect of the unmanned aerial vehicle is further improved.

Description

Folding support piece

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a folding supporting piece.

Background

Rotorcraft are generally equipped with four propulsion units, each provided with a propeller. The propulsion units are positioned at the ends of link arms that connect the propulsion units to the drone. Furthermore, these unmanned aerial vehicles comprise a plurality of feet for supporting the unmanned aerial vehicle, in particular when the unmanned aerial vehicle is on the ground, but the presence of these support assemblies during flight has a great obstacle in view of aerodynamic properties, affecting the stability of the unmanned aerial vehicle flight.

In the prior art, unmanned aerial vehicle's supporting component is mostly fixed knot structure, is inconvenient for adjust as required, and then makes unmanned aerial vehicle during flight receive aerodynamic performance's influence, and stability is poor. In view of this, we propose a folding support.

Disclosure of Invention

The object of the present utility model is to provide a folding support to solve the above mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a folding support piece, includes unable adjustment base and is fixed in the unmanned aerial vehicle body of unable adjustment base top, unmanned aerial vehicle body upper end is square to be equipped with the rotor, unable adjustment base lower extreme is equipped with the supporting component, the supporting component includes the protection casing, protection casing fixed mounting is on unable adjustment base, middle part fixed mounting has miniature electric push rod under the protection casing inner chamber, miniature electric push rod upper end fixed mounting has the rack, rack left and right sides symmetry is equipped with drive gear, drive gear and rack meshing, drive gear outer end fixed mounting has the supporting leg, the bar guide slot has all been seted up to the protection casing left and right sides face, bar guide slot swing joint has the supporting leg, drive gear rotates to be connected on the protection casing.

Preferably, the guide rack and the transmission gear are both arranged inside the protective cover.

Preferably, the supporting legs are arranged below the fixed base, and are arranged symmetrically left and right adjacent to each other.

Preferably, the output shaft of the miniature electric push rod is perpendicular to the central line of the transmission gear, and the miniature electric push rod is arranged below the transmission gear.

Preferably, the strip-shaped guide groove is communicated with the inside of the protective cover.

Preferably, the miniature electric push rod is arranged in the middle of the protective cover, and the miniature electric push rod is connected with the controller through a wire.

Preferably, teeth of the transmission gear are distributed in a range larger than the degree range.

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

1. according to the folding supporting piece, the supporting component is arranged below the unmanned aerial vehicle fixing base, the guide rack can move upwards under the driving action of the miniature electric push rod, the included angle between the adjacent supporting legs is reduced under the meshing action of the gear and the rack, and in the state, the supporting component can be used in the stay state of the unmanned aerial vehicle; in the same way, in the flight state of the unmanned aerial vehicle, the included angles of the adjacent supporting components are increased and tend to be horizontal, and in the state, the supporting components can effectively reduce the flight resistance of the unmanned aerial vehicle, so that the flight effect of the unmanned aerial vehicle is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a semi-sectional structure of a fixing base of the present utility model;

FIG. 3 is a state diagram of a support assembly of the present utility model while the drone is stationary;

fig. 4 is a state diagram of a support assembly of the unmanned aerial vehicle of the present utility model when the unmanned aerial vehicle is lifted.

In the figure: 1. a fixed base; 2. an unmanned aerial vehicle body; 3. a rotor; 4. a support assembly; 41. a protective cover; 42. a miniature electric push rod; 43. support legs; 44. a transmission gear; 45. a guide rack; 46. a strip-shaped guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a folding support piece, includes unable adjustment base 1 and is fixed in unmanned aerial vehicle body 2 of unable adjustment base 1 top, and unmanned aerial vehicle body 2 upper end is square to be equipped with rotor 3, and the quantity of rotor 3 is not less than 4. And through being the rotor 3 of square setting, can make unmanned aerial vehicle's flight more stable.

Referring to fig. 1 and 2, a supporting component 4 is disposed at a lower end of a fixed base 1, the supporting component 4 includes a protecting cover 41, the protecting cover 41 is fixedly mounted on the fixed base 1, the protecting cover 41 is made of the same material as that of the fixed base 1, and the thickness of the protecting cover 41 is 4-6cm, and the protecting cover 41 can protect components disposed therein.

Further, a micro electric push rod 42 is fixedly installed in the middle of the lower inner cavity of the protective cover 41, the micro electric push rod 42 is arranged in the middle of the protective cover 41, and the micro electric push rod 42 is connected with the controller through a wire. The micro electric push rod 42 can be automatically controlled to be opened by the controller. The upper end part of the miniature electric push rod 42 is fixedly provided with a guide rack 45, the left side and the right side of the guide rack 45 are symmetrically provided with transmission gears 44, and teeth of the transmission gears 44 are distributed in a range of more than 90 degrees. The transmission gear 44 is meshed with the guide rack 45, and the guide rack 45 and the transmission gear 44 are both arranged inside the protective cover 41. The output shaft of the micro electric push rod 42 is perpendicular to the central line of the transmission gear 44, and the micro electric push rod 42 is arranged below the transmission gear 44. The outer end part of the transmission gear 44 is fixedly provided with supporting legs 43, the supporting legs 43 are arranged below the fixed base 1, and the adjacent supporting legs 43 are symmetrically arranged left and right. After miniature electric push rod 42 opens, through miniature electric push rod 42's driving effect, can make guide rack 45 from bottom to top move, through the meshing effect of drive gear and rack, adjacent supporting leg 43 simultaneously inward movement, at this moment, the contained angle of adjacent supporting leg 43 is in the minimum, through making adjacent supporting leg 43 be "V" font, can be convenient for carry out stable support to unmanned aerial vehicle when unmanned aerial vehicle stops.

Referring to fig. 2, 3 and 4, in the present embodiment, the left and right sides of the protection cover 41 are provided with bar-shaped guiding grooves 46, wherein the cross section of the bar-shaped guiding groove 46 is bar-shaped, and the bar-shaped guiding groove 46 is communicated with the inside of the protection cover 41. The bar-shaped guide groove 46 is movably connected with a supporting leg 43, and the transmission gear 44 is rotatably connected to the protective cover 41. As shown in fig. 3, after the micro electric push rod 42 is opened, the guide rack 45 can be made to move from bottom to top, and the adjacent support legs 43 simultaneously move inwards under the meshing action of the transmission gear and the rack, at this time, the included angle of the adjacent support legs 43 is at the minimum, so that the unmanned aerial vehicle can be stably supported when the unmanned aerial vehicle stays; and after miniature electric push rod 42 closes, can make guide rack 45 from top to bottom, through the meshing effect of drive gear and rack, adjacent supporting leg 43 outwards moves simultaneously, and at this moment, the contained angle of adjacent supporting leg 43 increases to tend gradually the level, at this moment, unmanned aerial vehicle is in the flight, and it receives the aerodynamic performance's influence less for unmanned aerial vehicle's flight is more stable, and the resistance is less relatively in the flight, and the power consumption is few.

When the folding support is used, the miniature electric push rod 42 is not opened, at the moment, the included angle between the adjacent support legs 43 is maximum, and the support legs 43 tend to be horizontal; and after miniature electric push rod 42 opens, can make the guide rack 45 from bottom to top motion, through the meshing effect of drive gear and rack, adjacent supporting leg 43 simultaneously inward movement, at this moment, the contained angle of adjacent supporting leg 43 is in the minimum, can be convenient for carry out stable support to unmanned aerial vehicle when unmanned aerial vehicle stops, can adjust the state of supporting component in real time according to the in-service use state, has further improved unmanned aerial vehicle's result of use.

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

Claims

1. The utility model provides a folding support piece, includes unable adjustment base (1) and is fixed in unmanned aerial vehicle body (2) of unable adjustment base (1) top, unmanned aerial vehicle body (2) upper end is square and is equipped with rotor (3), its characterized in that: the utility model discloses a portable electric power tool is characterized in that a supporting component (4) is arranged at the lower end of a fixed base (1), the supporting component (4) comprises a protective cover (41), the protective cover (41) is fixedly arranged on the fixed base (1), a miniature electric push rod (42) is fixedly arranged at the lower middle part of an inner cavity of the protective cover (41), a guide rack (45) is fixedly arranged at the upper end of the miniature electric push rod (42), a transmission gear (44) is symmetrically arranged at the left and right sides of the guide rack (45), the transmission gear (44) is meshed with the guide rack (45), a supporting leg (43) is fixedly arranged at the outer end of the transmission gear (44), a strip-shaped guide groove (46) is respectively arranged at the left side and the right side of the protective cover (41), the strip-shaped guide groove (46) is movably connected with the supporting leg (43), and the transmission gear (44) is rotationally connected on the protective cover (41).

2. A folding support according to claim 1, characterized in that: the guide rack (45) and the transmission gear (44) are arranged inside the protective cover (41).

3. A folding support according to claim 1, characterized in that: the supporting legs (43) are arranged below the fixed base (1), and are arranged symmetrically left and right adjacent to the supporting legs (43).

4. A folding support according to claim 1, characterized in that: the output shaft of the miniature electric push rod (42) is perpendicular to the central line of the transmission gear (44), and the miniature electric push rod (42) is arranged below the transmission gear (44).

5. A folding support according to claim 1, characterized in that: the strip-shaped guide groove (46) is communicated with the inside of the protective cover (41).

6. A folding support according to claim 1, characterized in that: the miniature electric push rod (42) is arranged in the middle of the protective cover (41), and the miniature electric push rod (42) is connected with the controller through a wire.

7. A folding support according to claim 1, characterized in that: the teeth of the transmission gear (44) are distributed in a range of more than 90 degrees.