CN215285246U

CN215285246U - Foot stand connecting mechanism of rotor craft and foot stand

Info

Publication number: CN215285246U
Application number: CN202121959324.XU
Authority: CN
Inventors: 梅文凯; 彭彦平; 张万宁; 柯杨
Original assignee: Chengdu Times Tech Co ltd
Current assignee: Chengdu Times Tech Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-24
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a foot rest connecting mechanism of a rotor craft and a foot rest, relating to the technical field of rotor craft; the connecting mechanism comprises a fixed support, a connecting seat, a connecting rod and a limiting piece; the upper end of the connecting seat is hinged with one end of the fixed support in the length direction; the other end of the fixed support in the length direction is provided with a sliding piece which can slide along the length direction of the fixed support, and the limiting piece is used for limiting the position of the sliding piece on the fixed support; connecting rod one end is articulated with the connecting seat lower extreme, and the connecting rod other end is articulated with the slider, when guaranteeing to have enough bearing capacity, can realize the folding of unmanned aerial vehicle foot rest to reduce rotor craft's packing transportation size, improve rotor craft's portability, with at complicated low quality condition or rescue and rescue the work of rescuing to make quick rotor craft transport to the scene and expand the work. The foot rest comprises the above-mentioned connecting mechanism and has sufficient structural strength and loading capacity.

Description

Foot stand connecting mechanism of rotor craft and foot stand

Technical Field

The utility model relates to a rotor craft technical field, concretely relates to rotor craft foot rest coupling mechanism and foot rest.

Background

Unmanned aerial vehicles have been widely used in many fields such as tactical reconnaissance, target positioning, target damage assessment, electronic countermeasure, communication relay, and the like. Current unmanned aerial vehicle mostly adopts fixed foot rest, especially the many rotor unmanned aerial vehicle of heavy load, because heavy load rotor unmanned aerial vehicle requires highly to the bearing capacity of aircraft foot rest, and removable or beta structure hardly satisfies the user demand. However, the unmanned rotorcraft with the fixed foot rests is inconvenient to carry due to the packaging and transportation size, and can be rapidly unfolded to work on the site under complex and low-quality conditions or in emergency and rescue.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem that the existing large-load unmanned aerial vehicle with a fixed foot rest is inconvenient to carry; the utility model provides a rotor craft foot rest coupling mechanism and foot rest when guaranteeing to have enough bearing capacity, can realize the folding of unmanned aerial vehicle foot rest to reduce rotor craft's packing transportation size, improve rotor craft's portability, with at complicated low quality condition or speedily carry out rescue work and make quick with rotor craft transportation to the scene expansion work.

The utility model discloses a following technical scheme realizes:

in a first aspect, the utility model provides a foot rest connecting mechanism of a rotor craft, which comprises a fixed support, a connecting seat and a connecting rod; the connecting seat is used for fixedly connecting a foot rest supporting rod, and the upper end of the connecting seat is hinged with one end of the fixed support in the length direction; the other end of the fixed support in the length direction is provided with a sliding piece, the sliding piece can move along the length direction of the fixed support, the fixed support is also provided with a limiting piece, and the limiting piece is used for limiting the position of the sliding piece on the fixed support; one end of the connecting rod is hinged with the lower end of the connecting seat, and the other end of the connecting rod is hinged with the sliding piece.

The utility model discloses when using, be connected fixing support and gyroplane organism or fixed foot rest fixed connection, with foot rest bracing piece and connecting seat fixed connection, wherein fixing support length direction's one end is articulated with the upper end of connecting seat, the fixing support length side other end is provided with the slider, and connecting rod one end is articulated with the slider. When locating part restriction slider slides along fixing support length direction to make fixing support, connecting seat and connecting rod enclose into fixed three-bar linkage, with through fixed three-bar linkage fixed connection foot rest bracing piece and rotor craft organism or fixed foot rest, satisfy the requirement of heavy load rotor unmanned aerial vehicle to the bearing capacity of aircraft foot rest.

After the limitation of the limiting part on the sliding part is removed, the sliding part can slide along the length direction of the fixed support, so that the upper end of the connecting rod can slide along the length direction of the fixed support, the size of an included angle between the length direction of the fixed support and the length direction of the connecting seat is changed, and the folding of a foot rest of the rotor craft is realized. Wherein, after the rotor craft foot rest is folded to the right place, can restrict the slider through the locating part once more to maintain the fold condition of rotor craft foot rest, avoid rotor craft to cause the damage because of jolting the expansion that leads to the foot rest in transit.

Therefore, the utility model discloses when guaranteeing to have enough bearing capacity, can realize the folding of unmanned aerial vehicle foot rest to reduce rotor craft's packing transportation size, improve rotor craft's portability, make quick with rotor craft transportation to the scene expansion work in complicated low-quality condition or rescue and rescue work.

In an alternative embodiment, the fixed support is provided with a long hole extending along the length direction of the fixed support, the sliding member is inserted in the long hole, and the sliding member can extend along the length direction of the long hole.

In an optional embodiment, the limiting member is slidably connected to the fixed support, and a lower end of the limiting member is movable to a moving path of the sliding member.

In an optional embodiment, the limiting part is sleeved with a return spring, the return spring is used for pushing the lower end of the limiting part to the sliding connection of the sliding part, on one hand, the limiting part can be driven to reset through the return spring, the sliding part after moving is automatically limited again, on the other hand, the limiting part can be tightly propped against the sliding part through the return spring to limit the sliding of the sliding part, and therefore the rotorcraft is prevented from being damaged due to the expansion of a foot rest caused by bumping in the transportation process.

In an optional embodiment, a clamping groove for clamping the sliding member is arranged at the lower end of the limiting member.

In an optional embodiment, the upper end of the limiting member protrudes out of the upper end of the fixed support, so that the limiting member limits the sliding member.

In an optional embodiment, the connecting seat is provided with a sleeve joint part, the sleeve joint part is used for fixedly sleeve jointing the foot rest supporting rod, the foot rest supporting rod is sleeved through the sleeve joint part, the guide can be provided for the foot rest supporting rod when the foot rest supporting rod is installed, the installation efficiency of the foot rest supporting rod is improved, meanwhile, the structural strength of the connection between the foot rest supporting rod and the connecting seat can be ensured, and the sufficient load capacity of the foot rest is ensured.

In an optional embodiment, two side walls of the connecting seat are provided with the sleeving parts, and one connecting seat can be used for simultaneously connecting two foot stand supporting rods, so that the structural strength of the foot stand of the rotor craft is improved.

A second aspect, the utility model provides a rotor craft foot rest, including foot rest bracing piece and foretell rotor craft foot rest coupling mechanism, foot rest bracing piece upper end with connecting seat fixed connection.

The utility model discloses beneficial effect who has:

1. the utility model discloses a fixing support length direction's one end is articulated with the upper end of connecting seat, the fixing support length side other end is provided with the slider, connecting rod one end is articulated with the slider, when the locating part restriction slider slides along fixing support length direction, fixing support, connecting seat and connecting rod enclose into fixed three link mechanism, after removing the limiting part to the slider, fixing support length direction can be followed to the connecting rod upper end and slided, realize the folding of rotor craft foot rest, in order when guaranteeing to have enough bearing capacity, can realize the folding of unmanned aerial vehicle foot rest, in order to reduce rotor craft's packing transportation size, improve rotor craft's portability, in order to transport rotor craft to the scene expansion work fast in complicated inferior condition or rescue and rescue the difficulty and make.

2. The utility model discloses folding back that targets in place at the rotor craft foot rest, can restrict the slider through the locating part once more to maintain the fold condition of rotor craft foot rest, avoid the rotor craft to cause the damage because of jolting the expansion that leads to the foot rest in transit.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is an exploded view of a foot rest connection mechanism of a rotorcraft according to an embodiment of the present invention;

fig. 2 is a schematic side view of a foot rest connecting mechanism of a rotorcraft according to an embodiment of the present invention;

fig. 3 is a schematic top view of a foot stand connecting mechanism of a rotorcraft according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the plane A-A of FIG. 3;

figure 5 is the utility model discloses rotor craft foot rest structure schematic diagram.

Reference numerals:

1-fixed support, 2-connecting seat, 3-connecting rod, 4-foot rest supporting rod, 5-sliding part, 6-limiting part, 7-strip hole, 8-reset spring, 9-clamping groove, 10-sleeving part and 11-fixed foot rest.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

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 need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example 1

With reference to fig. 1 and fig. 2, the present embodiment provides a foot stool connection mechanism for a rotorcraft, including a fixed support 1, a connection seat 2, and a connection rod 3; the connecting seat 2 is used for fixedly connecting a foot rest supporting rod 4, and the upper end of the connecting seat 2 is hinged with one end of the fixed support 1 in the length direction; the other end of the fixed support 1 in the length direction is provided with a sliding part 5, the sliding part 5 can move along the length direction of the fixed support, the fixed support 1 is further provided with a limiting part 6, and the limiting part 6 is used for limiting the position of the sliding part 5 on the fixed support 1; one end of the connecting rod 3 is hinged with the lower end of the connecting seat 2, and the other end of the connecting rod 3 is hinged with the sliding part 5.

The sliding part 5 can move along the length direction of the fixed support 1, the sliding rail can be arranged on the fixed support 1, the sliding part 5 is sleeved or clamped on the sliding rail, correspondingly, the limiting part 6 is a pin for connecting the sliding rail and the sliding part by a pin, or a screw for connecting the sliding rail and the sliding part 5 by the screw. With reference to fig. 3 and 4, in this embodiment, the fixing support 1 is provided with a long hole 7 extending along the length direction of the fixing support 1, the sliding member 5 is inserted in the long hole 7, and the sliding member 5 can extend along the length direction of the long hole 7, and correspondingly, a limiting protrusion can be provided on one side of the sliding member 5 facing the limiting member 6, and a plurality of limiting grooves adapted to the limiting protrusion are provided at intervals or continuously in the sliding direction of the sliding member 5 at the first end of the sliding member 5 of the limiting member 6.

Referring to fig. 4, in order to facilitate controlling the relative position between the limiting member 6 and the sliding member 5, in this embodiment, the limiting member 6 is slidably connected to the fixed support 1, and the lower end of the limiting member 6 can move to the moving path of the sliding member 5. Meanwhile, the lower end of the limiting part 6 is provided with a clamping groove 9 used for clamping the sliding part 5. The upper end of the limiting piece 6 protrudes out of the upper end of the fixed support 1, so that the limiting of the limiting piece 6 on the sliding piece 5 is relieved. Of course, the end of the limiting member 6 away from the sliding member 5 may be disposed according to the specific structure of the rotorcraft, and may be disposed at one side or the lower end of the fixing support 1.

Further, locating part 6 is equipped with reset spring 8 for the cover is equipped with, reset spring 8 be used for with 6 lower extreme top pushes up to sliding connection of slider 5 is connected, can drive locating part 6 through reset spring 8 on the one hand and reset, and automatic to slider 5 after the removal spacing once more, on the other hand can be through reset spring 8 with locating part 6 top tight on slider 5 the slip of limiting slider 5 to prevent that the rotorcraft from causing the damage because of the expansion of jolting and leading to the foot rest in the transit.

It can be understood that connecting seat 2 can be directly with the welding of foot rest bracing piece 4, spiro union or pin joint, in this embodiment connecting seat 2 is provided with cup joints portion 10, cup joint portion 10 is used for the fixed foot rest bracing piece 4 that cup joints, cup joints foot rest bracing piece 4 through cup joint portion 10, can provide the direction for foot rest bracing piece 4 when installation foot rest bracing piece 4, provides foot rest bracing piece 4's installation effectiveness, can ensure the structural strength that foot rest bracing piece 4 and connecting seat 2 are connected simultaneously, ensures that the foot rest has sufficient load-carrying capacity.

Preferably, 2 both sides walls of connecting seat all are provided with cup joint portion 10, and two foot rest bracing pieces 4 are connected simultaneously to connecting seat 2 of accessible to improve the structural strength of rotor craft foot rest.

With reference to fig. 5, in use, the fixing support 1 is fixedly connected to the rotorcraft body or the fixing foot rest 11, the foot rest support rod 4 is fixedly connected to the connecting seat 2, wherein one end of the fixing support 1 in the length direction is hinged to the upper end of the connecting seat 2, the other end of the fixing support 1 in the length direction is provided with the sliding part 5, and one end of the connecting rod 3 is hinged to the sliding part 5. When locating part 6 restriction slider 5 slided along 1 length direction of fixing support, thereby make fixing support 1, connecting seat 2 and connecting rod 3 enclose into fixed three-bar 3 mechanism, with through fixed three-bar 3 mechanism fixed connection foot rest bracing piece 4 and rotor craft organism or fixed foot rest 11, satisfy the requirement of the bearing capacity of heavy load rotor unmanned aerial vehicle to the aircraft foot rest.

After the limitation of the limiting piece 6 on the sliding piece 5 is removed, the sliding piece 5 can slide along the length direction of the fixed support 1, so that the upper end of the connecting rod 3 can slide along the length direction of the fixed support 1, the size of an included angle between the length direction of the fixed support 1 and the length direction of the connecting seat 2 is changed, and the folding of a foot rest of the rotor craft is realized. Wherein, after the rotor craft foot rest is folded to the right place, can restrict slider 5 through locating part 6 once more to maintain the fold condition of rotor craft foot rest, avoid rotor craft to cause the damage because of jolting the expansion that leads to the foot rest in transit.

Therefore, this embodiment can realize the folding of unmanned aerial vehicle foot rest when guaranteeing there is sufficient bearing capacity to reduce rotorcraft's packing transportation size, improve rotorcraft's portability, with at the work of expanding to the scene with the fast rotorcraft transportation of complicated low-quality condition or rescue and rescue the difficulty messenger.

Example 2

Based on the structure and the principle that embodiment 1 recorded, this embodiment provides a rotor craft foot rest, including foot rest bracing piece 4 and foretell rotor craft foot rest coupling mechanism, 4 upper ends of foot rest bracing piece with connecting seat 2 fixed connection. The rotor craft foot rest that this embodiment provided can fold when guaranteeing to have sufficient loading capacity and stability, and the packing transportation occupation space of foot rest is little.

Example 3

Based on the structure and the principle that embodiment 2 recorded, this embodiment provides an unmanned aerial vehicle, including organism and foretell rotor craft foot rest. Unmanned aerial vehicle is when the transportation, and its foot rest is collapsible, and packing transportation size is little, and unmanned aerial vehicle's portability is good, can be in complicated low-quality condition or rescue and rescue the work of rescuing to make quick transporting unmanned aerial vehicle to the scene and expand the work.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. A foot stool connecting mechanism of a rotor craft is characterized by comprising a fixed support (1), a connecting seat (2) and a connecting rod (3);

the connecting seat (2) is used for fixedly connecting a foot rest supporting rod (4), and the upper end of the connecting seat (2) is hinged with one end of the fixed support (1) in the length direction;

the other end of the fixed support (1) in the length direction is provided with a sliding piece (5), the sliding piece (5) can move along the length direction of the fixed support, the fixed support (1) is further provided with a limiting piece (6), and the limiting piece (6) is used for limiting the position of the sliding piece (5) on the fixed support (1);

one end of the connecting rod (3) is hinged with the lower end of the connecting seat (2), and the other end of the connecting rod (3) is hinged with the sliding part (5).

2. A rotary wing aircraft foot rest connection according to claim 1, characterized in that the fixing support (1) is provided with a slot (7) extending in the length direction of the fixing support (1), the sliding member (5) being inserted in the slot (7), and the sliding member (5) being extendable in the length direction of the slot (7).

3. The rotary-wing aircraft foot stand connection according to claim 1, characterized in that the limiting member (6) is slidably connected to the fixed support (1) and the lower end of the limiting member (6) is movable into the path of movement of the slider (5).

4. A rotorcraft foot rest connection according to claim 3, wherein the stop member (6) is sleeved with a return spring (8), the return spring (8) being configured to urge a lower end of the stop member (6) onto the sliding connection of the slider (5).

5. A rotary wing aircraft foot rest connection according to claim 3 or 4, characterized in that the lower end of the limiting member (6) is provided with a clamping groove (9) for clamping the sliding member (5).

6. A rotorcraft foot rest connection according to claim 3, wherein the upper end of the stop member (6) protrudes beyond the upper end of the fixed support (1).

7. A rotary wing aircraft foot rest connection according to claim 1, characterized in that the connection socket (2) is provided with a socket (10), the socket (10) being used for fixing a socket foot rest support bar (4).

8. A rotary wing aircraft foot rest connection according to claim 7, characterized in that both side walls of the connection socket (2) are provided with sockets (10).

9. A rotary wing aircraft foot rest, characterized in that, includes foot rest bracing piece (4) and any one in claims 1-8, the upper end of foot rest bracing piece (4) and connecting seat (2) fixed connection.