CN217673186U

CN217673186U - Novel unmanned helicopter

Info

Publication number: CN217673186U
Application number: CN202221451640.0U
Authority: CN
Inventors: 陈土贤
Original assignee: Zhuhai Jiwei Technology Co ltd
Current assignee: Zhuhai Jiwei Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-28
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to an unmanned helicopter technical field specifically is a novel unmanned helicopter, including unmanned helicopter organism and side fixing base, it is two sets of side fixing base symmetry fixed mounting is in the bottom both sides of unmanned helicopter organism, the inside rotation hole that has opened that all runs through of side fixing base, rotate downthehole portion and all run through the rotation and install the dwang, the connecting rod is all installed at the both ends of dwang. The utility model discloses when unmanned helicopter organism descends and bracing piece support contact in ground, under the inertia effect, the connecting rod will promote the piston and move down and compress damping telescopic link and spring, the damping effect that produces through damping telescopic link and spring cooperation can form fine buffering effect, thereby the vibrations that produce when descending to unmanned helicopter organism carry out effectual alleviating, can drive the bracing piece through motor work and turn over the both sides of rolling over to unmanned helicopter organism upwards, thereby avoid causing excessive windage.

Description

Novel unmanned helicopter

Technical Field

The utility model relates to an unmanned helicopter technical field specifically is a novel unmanned helicopter.

Background

The unmanned helicopter refers to an unmanned aircraft flying by radio ground remote control or autonomous control, which can take off and land vertically, and belongs to a rotor aircraft in a construction form. For the unmanned helicopter to take off and land conveniently, generally all be provided with the undercarriage in the bottom of organism, the undercarriage that can partial unmanned helicopter at present only cup joints the rubber sleeve through the outside, can't realize fine buffering effect to it is easy to produce great vibrations to descend at the organism, easily causes the damage of inside accurate spare part, and the undercarriage is when the organism flies simultaneously, can not fold, will produce great windage, has improved the flight load of whole organism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a have buffering effect and folding novel unmanned helicopter of undercarriage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel unmanned helicopter, including unmanned helicopter organism and side fixing base, two sets of side fixing base symmetry fixed mounting are in the bottom both sides of unmanned helicopter organism, the inside rotation hole that has run through of side fixing base, the rotation downthehole portion all runs through to rotate and installs the dwang, the connecting rod is all installed at the both ends of dwang, the below of connecting rod all is provided with the both ends of bracing piece and all is provided with buffer between the tip that corresponds two sets of connecting rods, the inside drive arrangement who is used for the bracing piece upset folding that still is provided with of side fixing base.

It is seen by above-mentioned scheme that this device can form fine buffering effect through buffer to vibrations that produce when descending to unmanned helicopter organism carry out effectual alleviating, this device can rotate through the drive dwang after unmanned helicopter organism takes off, makes the bracing piece turn over the both sides of rolling over to unmanned helicopter organism upwards, thereby avoids causing excessive windage.

In this embodiment, buffer includes the spliced pole of symmetry fixed mounting at bracing piece both ends, the sliding hole has all been seted up on the tip surface of spliced pole, the hole that runs through to bracing piece inside has all been seted up to the inner end wall of sliding hole, the connecting rod corresponds to slide to insert and locates inside the back of sliding hole and extend to inside the hole, the piston of being connected with hole inner wall sliding extrusion is installed to the tip that the connecting rod is located the inner hole, piston surface mounting has the damping telescopic link, and damping telescopic link tip fixed connection is in drive motor inner end wall, the outside cover of damping telescopic link is equipped with the spring, and two tip difference fixed connection of spring are in inner end wall in piston surface and inner hole.

By above-mentioned scheme, when unmanned helicopter organism descends and the bracing piece supports and contacts in ground, under the inertia effect, the connecting rod will promote the piston and move down and compress damping telescopic link and spring, and the damping effect that produces through damping telescopic link and spring cooperation can form fine buffering effect to the vibrations that produce when descending unmanned helicopter organism carry out effectual alleviating.

In this embodiment, the support rod is provided with a communication hole therein, and two ends of the communication hole correspondingly penetrate and communicate with the bottoms of the inner holes at two sides.

By the scheme, the communicating holes are communicated with the two groups of inner holes, and when the connecting rod pushes the piston to move downwards, gas in the inner holes and the communicating holes can be compressed, so that a reverse damping effect is provided, and the buffering effect of the unmanned helicopter body in landing can be further improved.

In this embodiment, drive arrangement is including seting up the transmission groove in dwang upper end, and the dwang surface has fixed the driven gear with the position department that is located the transmission inslot portion, and the last fixed surface of side fixing base installs driving motor, and driving motor's the fixed driving gear that has cup jointed of output tip, and the driving gear corresponds and driven gear meshing transmission is connected.

According to the scheme, the driving gear can be driven to rotate by the end part of the output end of the driving motor through the work of the driving motor, so that the driven gear is meshed and driven to drive the rotating rod to rotate, the supporting rod is upwards turned to the two sides of the unmanned helicopter body, and excessive wind resistance is avoided.

In this embodiment, the receiver is installed on one side of the driving motor on the upper surface of the side fixing seat, the controller is installed on the other side of the driving motor on the upper surface of the side fixing seat, and the controller is electrically connected to the receiver and the driving motor respectively.

By the scheme, after the unmanned helicopter body takes off, the receiver and the controller can send signals to the receiver through remote control, and the controller controls the driving motor to work, so that the supporting rods can be folded and stored conveniently.

In this embodiment, the casing of the unmanned helicopter body is made of a semi-hard shell composite material, and a casing skin is fastened on the surface of the casing of the unmanned helicopter body through screws.

According to the scheme, the shell made of the semi-hard shell composite material and the shell skin are arranged, so that the integral unmanned helicopter body has the advantages of light weight, simplicity in mounting and dismounting, easiness in maintenance and easiness in replacement.

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

1. when the unmanned helicopter body lands and the support rod is in supporting contact with the ground, the connecting rod pushes the piston to move downwards under the action of inertia to compress the damping telescopic rod and the spring, and a good buffering effect can be formed by a damping effect generated by the matching of the damping telescopic rod and the spring, so that the vibration generated when the unmanned helicopter body lands is effectively relieved;

2. the device is communicated with the two groups of inner holes through the communication holes, and when the connecting rod pushes the piston to move downwards, gas in the inner holes and the communication holes can be compressed, so that a reverse damping effect is provided, and the buffering effect of the unmanned helicopter body during landing can be further improved;

3. this device sends a signal to the receiver through the remote control after unmanned helicopter organism takes off, by the work of controller control driving motor to drive the driving gear and rotate, thereby meshing drive driven gear and drive the dwang and rotate, make the bracing piece upwards turn over the both sides of turning over to unmanned helicopter organism, thereby avoid causing excessive windage.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the surface of the side fixing base of the present invention;

FIG. 3 is a schematic structural view of the driving device of the present invention;

fig. 4 is a schematic view of the structure of the buffering device of the present invention.

In the figure: 1. an unmanned helicopter body; 2. a side fixing seat; 201. rotating the hole; 3. rotating the rod; 301. a connecting rod; 4. a support bar; 5. connecting columns; 501. a slide hole; 502. an inner bore; 503. a piston; 504. damping telescopic rods; 505. a spring; 506. a communicating hole; 6. a transmission groove; 601. a driven gear; 602. a drive motor; 603. a driving gear; 7. a receiver; 701. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a novel unmanned helicopter comprises an unmanned helicopter body 1 and side fixing seats 2, wherein two groups of side fixing seats 2 are symmetrically and fixedly installed on two sides of the bottom of the unmanned helicopter body 1, rotating holes 201 are formed in the side fixing seats 2 in a penetrating manner, rotating rods 3 are installed in the rotating holes 201 in a penetrating manner, connecting rods 301 are installed at two ends of the rotating rods 3, buffer devices are arranged between two ends of supporting rods 4 and end portions of the corresponding two groups of connecting rods 301 below the connecting rods 301, and driving devices for overturning and folding the supporting rods 4 are further arranged in the side fixing seats 2;

specifically, the buffer device comprises connecting columns 5 symmetrically and fixedly installed at two ends of a supporting rod 4, sliding holes 501 are formed in the end surfaces of the connecting columns 5, inner end walls of the sliding holes 501 are provided with inner holes 502 penetrating into the supporting rod 4, a connecting rod 301 is correspondingly inserted into the sliding holes 501 in a sliding mode and extends into the inner holes 502, pistons 503 in sliding extrusion connection with the inner walls of the inner holes 502 are installed at the ends of the connecting rod 301 located in the inner holes 502, damping telescopic rods 504 are installed on the surfaces of the pistons 503, the ends of the damping telescopic rods 504 are fixedly connected to the inner end walls of a driving motor 602, springs 505 are sleeved outside the damping telescopic rods 504, two ends of each spring 505 are fixedly connected to the surfaces of the pistons 503 and the inner end walls of the inner holes 502 respectively, when the unmanned helicopter body 1 descends and the supporting rod 4 is in contact with the ground, the connecting rod 301 pushes the pistons 503 to move downwards to compress the damping telescopic rods 504 and the springs 505 under the action of inertia, and a good buffer effect can be formed by the matching of the damping telescopic rods 504 and the springs 505, so that the vibration generated when the unmanned helicopter body 1 descends can be effectively relieved;

specifically, the support rod 4 is internally provided with a communication hole 506, two end parts of the communication hole 506 correspondingly penetrate through and are communicated with the bottoms of the inner holes 502 on the two sides, and the two end parts are communicated with the two groups of inner holes 502 through the communication hole 506, so that when the connecting rod 301 pushes the piston 503 to move downwards, the gas in the inner holes 502 and the gas in the communication hole 506 can be compressed, and therefore a reverse damping effect is provided, and the buffering effect of the unmanned helicopter body 1 during landing can be further improved;

specifically, the driving device comprises a transmission groove 6 formed in the upper end portion of the rotating rod 3, a driven gear 601 is fixedly sleeved on the outer surface of the rotating rod 3 and the position located inside the transmission groove 6, a driving motor 602 is fixedly installed on the upper surface of the side fixing seat 2, a driving gear 603 is fixedly sleeved on the end portion of the output end of the driving motor 602, the driving gear 603 is correspondingly in meshing transmission connection with the driven gear 601, the end portion of the output end of the driving motor 602 can drive the driving gear 603 to rotate through the work of the driving motor 602, so that the driven gear 601 is meshed and driven to rotate the rotating rod 3, the supporting rod 4 is enabled to be upwards folded to two sides of the unmanned helicopter body 1, and excessive wind resistance is avoided;

specifically, the receiver 7 is installed on one side, located on the driving motor 602, of the upper surface of the side fixing seat 2, the controller 701 is installed on the other side, located on the driving motor 602, of the upper surface of the side fixing seat 2, and the controller 701 is electrically connected to the receiver 7 and the driving motor 602 respectively;

specifically, the outer shell of the unmanned helicopter body 1 is made of a semi-hard shell composite material, an outer shell skin is fastened on the outer shell surface of the unmanned helicopter body 1 through screws, and the integral unmanned helicopter body 1 has the advantages of light weight, simplicity in mounting and dismounting, easiness in maintenance and replacement due to the outer shell made of the semi-hard shell composite material and the arranged outer shell skin.

Receiver 7 and controller 701 in this device are prior art, the wireless remote controller that is matched with of receiver 7 simultaneously, combine in this device, send a signal to receiver 7 through the remote controller, receiver 7 can transmit control signal to controller 701, by the work of controller 701 control driving motor 602, realize turning over of bracing piece 4 and expand, the battery through the inside setting of unmanned helicopter organism 1 is driving motor 602, receiver 7 and controller 701 power supply simultaneously in this device, in order to guarantee that the device can normally work.

The working principle is as follows: this device is after unmanned helicopter organism 1 takes off, send a signal to receiver 7 through the remote control, by controller 701 control driving motor 602 work, and drive driving gear 603 and rotate, meshing drive driven gear 601 and drive dwang 3 and rotate, make bracing piece 4 turn over the both sides of rolling over to unmanned helicopter organism 1 upwards, thereby avoid causing excessive windage, before unmanned helicopter organism 1 descends, through remote control driving motor 602 reversal work, thereby can drive bracing piece 4 and turn over to the bottom, be convenient for descend, simultaneously when descending, bracing piece 4 supports and contacts in ground, under the inertial action, connecting rod 301 will promote piston 503 and move down and compress damping telescopic link 504 and spring 505, the damping effect that produces through damping telescopic link 504 and the cooperation of spring 505 can form fine buffering effect, thereby vibrations that produce when descending unmanned helicopter organism 1 carry out effectual alleviating.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel unmanned helicopter, includes unmanned helicopter organism (1) and side fixing base (2), its characterized in that: two sets of side fixing base (2) symmetry fixed mounting is in the bottom both sides of unmanned helicopter organism (1), side fixing base (2) are inside all to be run through and to have opened rotation hole (201), it all runs through rotation and installs dwang (3) to rotate hole (201) inside, connecting rod (301) are all installed at the both ends of dwang (3), the below of connecting rod (301) all is provided with bracing piece (4) all be provided with buffer between the both ends of bracing piece (4) and the tip that corresponds two sets of connecting rod (301), side fixing base (2) inside still is provided with and is used for bracing piece (4) upset folding drive arrangement.

2. The novel unmanned helicopter of claim 1, wherein: buffer includes spliced pole (5) at symmetry fixed mounting both ends at bracing piece (4), sliding hole (501) have all been seted up on the tip surface of spliced pole (5), hole (502) that run through to bracing piece (4) inside are all seted up to the inner end wall of sliding hole (501), connecting rod (301) correspond to slide insert locate inside back of sliding hole (501) and extend to inside hole (502), piston (503) of being connected with hole (502) inner wall sliding extrusion are installed to the tip that connecting rod (301) are located hole (502), piston (503) surface mounting has damping telescopic link (504), and damping telescopic link (504) end fixed connection is in driving motor (602) inner end wall, the outside cover of damping telescopic link (504) is equipped with spring (505), and two tip difference fixed connection of spring (505) are in piston (503) surface and hole (502) inner end wall.

3. The novel unmanned helicopter of claim 2, wherein: the support rod (4) is internally provided with a communicating hole (506), and two end parts of the communicating hole (506) correspondingly penetrate through the bottoms of the inner holes (502) at two sides.

4. The novel unmanned helicopter of claim 1, wherein: drive arrangement is including offering transmission groove (6) in dwang (3) upper end, dwang (3) surface and the fixed cover of position department that is located transmission groove (6) inside have been connect driven gear (601), the last fixed surface of side fixing base (2) installs driving motor (602), the fixed cover of output tip of driving motor (602) has connect driving gear (603), and driving gear (603) correspond and driven gear (601) meshing transmission is connected.

5. The novel unmanned helicopter of claim 4, wherein: one side receiver (7) are installed to the upper surface of side fixing base (2) on one side of driving motor (602), controller (701) is installed to side fixing base (2) upper surface on driving motor (602) opposite side, and controller (701) electric connection respectively in receiver (7) and driving motor (602).

6. The novel unmanned helicopter of claim 1, wherein: the shell of the unmanned helicopter body (1) is made of a semi-hard shell composite material, and a shell skin is fastened on the surface of the shell of the unmanned helicopter body (1) through screws.