CN211308958U

CN211308958U - Unmanned aerial vehicle is with frame shock-absorbing structure that plays

Info

Publication number: CN211308958U
Application number: CN201922429293.6U
Authority: CN
Inventors: 司维钊; 陈剑峰
Original assignee: Changsha Aeronautical Vocational and Technical College
Current assignee: Changsha Aeronautical Vocational and Technical College
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-21
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an unmanned aerial vehicle is with frame shock-absorbing structure that falls, including the shell, be located the multiple spliced poles of shell bottom, the bottom of spliced pole all can be dismantled and be connected with the dust guard, the inside fixedly connected with bumper shock absorber of dust guard, the top of bumper shock absorber is equipped with the fixing base, and the bumper shock absorber is fixed in the dust guard through the fixing base, the bottom of bumper shock absorber is rotated and is connected with embedded bearing, one side fixedly connected with adjust knob of embedded bearing, the middle part material of dust guard is the rubber material, the material at dust guard both ends is plastics or metal material; through the setting of second screw thread post, bumper shock absorber, the effectual practicality that has improved unmanned aerial vehicle uses through the cooperation of second screw thread post, bumper shock absorber for unmanned aerial vehicle possesses the absorbing effect, makes unmanned aerial vehicle when rising and falling, and is less to the inside vibrations dynamics of unmanned aerial vehicle shell, the effectual inside component of having protected has reduced the damage.

Description

Unmanned aerial vehicle is with frame shock-absorbing structure that plays

Technical Field

The utility model relates to a damper technical field especially relates to an unmanned aerial vehicle is with having fallen frame shock-absorbing structure.

Background

A drone is an unmanned aircraft that is operated with a radio remote control device and self-contained program control, or is operated autonomously, either completely or intermittently, by an onboard computer.

Current unmanned aerial vehicle is when rising and falling, injures unmanned aerial vehicle internal element very easily, this is because there is not damper in the unmanned aerial vehicle bottom, and effort directly transmits to the unmanned aerial vehicle shell when leading to unmanned aerial vehicle contact ground to make vibrations damage unmanned aerial vehicle internal element, make the unable normal use of unmanned aerial vehicle, reduced its life, increased economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current unmanned aerial vehicle that exists among the prior art and when rising and falling, hindering unmanned aerial vehicle internal element very easily, this is because the unmanned aerial vehicle bottom does not have damper, and effort directly transmits to the unmanned aerial vehicle shell when leading to unmanned aerial vehicle contact ground to make vibrations damage defects such as unmanned aerial vehicle internal element, and the unmanned aerial vehicle that provides puts up shock-absorbing structure with having fallen.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a shock absorption structure of a landing frame for an unmanned aerial vehicle comprises a shell and a plurality of connecting columns located at the bottom of the shell, wherein the bottom of each connecting column is detachably connected with a dustproof layer, a shock absorber is fixedly connected inside the dustproof layer, a fixed seat is arranged at the top end of the shock absorber, the shock absorber is fixed in the dustproof layer through the fixed seat, the bottom end of the shock absorber is rotatably connected with an embedded bearing, one side of the embedded bearing is fixedly connected with an adjusting knob, the middle of the dustproof layer is made of rubber, the two ends of the dustproof layer are made of plastic or metal, the top end of the dustproof layer is fixedly connected with a first threaded column located inside the connecting column, a first threaded groove matched with the first threaded column for use is formed in the bottom surface of the connecting column, a second threaded column located inside the bottom column is arranged at the bottom of the dustproof layer, and the bottom column is located at the bottom of the dustproof layer, the top surface of the bottom column is provided with a second thread groove matched with the second thread column;

further, the bottom fixedly connected with buffering post of foundation, the buffering post is connected with the foundation through a plurality of fixed columns, and is a plurality of the equal fixedly connected with in top of fixed column is located the inside bradyseism spring of foundation.

Furthermore, the buffer column is made of rubber, and the inside of the buffer column is of a hollow structure. The circle centers of the first threaded column and the fixed seat are coaxial.

Furthermore, the circle centers of the embedded bearing and the second threaded column are coaxial.

Furthermore, a plurality of fan blades are symmetrically distributed on the top of the shell.

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

1. through the setting of second screw post, bumper shock absorber, the effectual practicality that has improved unmanned aerial vehicle, use through the cooperation of second screw post, bumper shock absorber for unmanned aerial vehicle possesses the absorbing effect, makes unmanned aerial vehicle when rising and falling, and is less to the inside vibrations dynamics of unmanned aerial vehicle shell, the effectual inside component of having protected has reduced the damage, and the installation dismantlement, simple convenient, possesses certain dustproof effect simultaneously, has improved unmanned aerial vehicle's life.

2. Through the setting of bradyseism spring, buffering post, further increased unmanned aerial vehicle's shock attenuation effect, use through the cooperation of bradyseism spring, buffering post for produced partial effort is absorbed by the bradyseism spring when unmanned aerial vehicle contacts ground, and buffering post itself is the cavity material, and buffering effect is better, the effectual stability that improves unmanned aerial vehicle has reduced fish tail and damage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic view of an overall structure of a landing gear damping structure for an unmanned aerial vehicle according to the present invention;

fig. 2 is a front view cross-sectional view of a landing gear damping structure for an unmanned aerial vehicle, including a fan blade, a housing, a bottom pillar, an adjusting knob, a connecting pillar, a buffering pillar, a dust-proof layer, a first threaded pillar, a first threaded groove, a second threaded pillar, a second threaded groove, and an embedded bearing;

fig. 3 is a perspective view of a dustproof layer, a first threaded column, an adjusting knob, a second threaded column and an embedded bearing of the landing frame damping structure for the unmanned aerial vehicle according to the present invention;

fig. 4 is a side sectional view of a fan blade, a housing, a bottom pillar, an adjusting knob, a connecting pillar, a buffering pillar, a dust-proof layer, an embedded bearing, a cushioning spring, a shock absorber and a fixing seat of the landing frame damping structure for the unmanned aerial vehicle, according to the present invention;

fig. 5 is the utility model provides a A department enlarger in unmanned aerial vehicle is with landing frame shock-absorbing structure's figure 4.

In the figure: 1. a fan blade; 2. a housing; 3. connecting columns; 4. adjusting a knob; 5. a bottom pillar; 6. a buffer column; 7. a dust-proof layer; 8. a first threaded post; 9. a first thread groove; 10. a second threaded post; 11. a second thread groove; 12. a bearing is embedded; 13. a cushioning spring; 14. a shock absorber; 15. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a landing frame damping structure for an unmanned aerial vehicle, comprising a housing 2, a plurality of connecting columns 3 located at the bottom of the housing 2, a dustproof layer 7 detachably connected to the bottom of the connecting columns 3, a shock absorber 14 fixedly connected to the inside of the dustproof layer 7 for effectively absorbing and reducing shock when receiving shock, a fixing base 15 provided at the top end of the shock absorber 14, the shock absorber 14 fixed in the dustproof layer 7 through the fixing base 15, the fixing base 15 connected to the top end of the dustproof layer 7 for integral connection and welding, an embedded bearing 12 rotatably connected to the bottom end of the shock absorber 14, the embedded bearing 12 connected to the bottom end of the dustproof layer 7, an adjusting knob 4 fixedly connected to one side of the embedded bearing 12, the adjusting knob 4 driving the embedded bearing 12 to connect by rotating the adjusting knob 4, and the inner ring of the embedded bearing 12 connected to the bottom of the shock absorber 14, the adjusting knob 4 drives the embedded bearing 12 to rotate when rotating to be an outer ring, the inner ring of the embedded bearing 12 is the shock absorber 14 and is not rotated, the middle part of the dustproof layer 7 is made of rubber, when the shock absorber 14 contracts and expands under the action of force, the rubber at the middle part of the dustproof layer 7 can contract and expand along with the shock absorber, the two ends of the dustproof layer 7 are made of plastic or metal, the dustproof layer 7 and the shock absorber 14 are convenient to connect, the top end of the dustproof layer 7 is fixedly connected with a first threaded column 8 positioned inside the connecting column 3, the bottom surface of the connecting column 3 is provided with a first threaded groove 9 matched with the first threaded column 8, when the dustproof layer 7 and the shock absorber 14 are installed, the first threaded column 8 at the top of the dustproof layer 7 is aligned to the first threaded groove 9, then the dustproof layer 7 is rotated to fix the first threaded column 8 and the first threaded groove 9 through threads, the dustproof layer 7, The top of the shock absorber 14 is fixed at the bottom of the connecting column 3, a second threaded column 10 located inside the bottom column 5 is arranged at the bottom of the dustproof layer 7, the bottom column 5 is located at the bottom of the dustproof layer 7, a second threaded groove 11 matched with the second threaded column 10 for use is formed in the top surface of the bottom column 5, then the second threaded groove 11 in the top of the bottom column 5 is aligned to the position of the second threaded column 10 at the bottom of the dustproof layer 7, then the adjusting knob 4 is rotated, so that the outer ring of the embedded bearing 12 and the second threaded column 10 are driven to rotate by the rotation of the adjusting knob 4, the second threaded column 10 and the second threaded groove 11 are rotationally fixed through threads, and the dustproof layer 7 and the shock absorber 14 are installed and fixed;

bottom fixedly connected with cushion column 6 of foundation 5, cushion column 6 is connected with foundation 5 through a plurality of fixed columns, the equal fixedly connected with in top of a plurality of fixed columns is located the inside bradyseism spring 13 of foundation 5, bradyseism spring 13 is the elasticity material, receive the effort and can take place deformation, lose the effort and can resume former state, after foundation 5 is connected with dust barrier 7, cushion column 6 can take lead earlier with the ground contact, cushion column 6, the effectual effort that has reduced when unmanned aerial vehicle contacts ground of bradyseism spring 13.

Buffering post 6 is the rubber material, and the inside of buffering post 6 is hollow structure, very big buffering effect that has played, has reduced the transmission of effect, has improved stability.

The circle centers of the first threaded column 8 and the fixed seat 15 are coaxial, so that the connection between the first threaded column 8 and the fixed seat 15 is more stable.

The circle centers of the embedded bearing 12 and the second threaded column 10 are coaxial, so that the embedded bearing 12 and the second threaded column 10 are connected more stably.

A plurality of fan blades 1 are symmetrically distributed on the top of the shell 2, and the fan blades 1 are in the prior art.

The utility model discloses a theory of operation and use flow:

firstly, a dustproof layer 7 and a shock absorber 14 are installed and fixed, a first threaded column 8 at the top of the dustproof layer 7 is aligned to a position of a first threaded groove 9 at the bottom of a connecting column 3, then the dustproof layer 7 is rotated, so that the first threaded column 8 at the top of the dustproof layer 7 is rotationally fixed with the first threaded groove 9 through threads, then a second threaded column 10 at the bottom of the dustproof layer 7 is aligned to a second threaded groove 11 on a bottom column 5, then an adjusting knob 4 is rotated, so that the rotation of the adjusting knob 4 drives an outer ring of an embedded bearing 12 and the second threaded column 10 to rotate, so that the second threaded column 10 and the second threaded groove 11 are rotationally fixed through threads, the shock absorber 14 is fixed inside the dustproof layer 7 through a fixing seat 15, the shock absorber 14 is installed and fixed while the dustproof layer 7 is installed, when the bottom column 5 is connected with the dustproof layer 7, the shock absorber 6 can be firstly contacted with the ground, and the buffer column 6, Bradyseism spring 13 can absorb the vibrations power of unmanned aerial vehicle and ground contact, has played the buffering effect, and effectual effort when having reduced unmanned aerial vehicle contact ground possesses certain dustproof effect simultaneously, has improved unmanned aerial vehicle's life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle is with frame shock-absorbing structure that falls, includes shell (2), a plurality of spliced poles (3) that are located shell (2) bottom, its characterized in that, the bottom of spliced pole (3) all can be dismantled and be connected with dust layer (7), the inside fixedly connected with bumper shock absorber (14) of dust layer (7), the top of bumper shock absorber (14) is equipped with fixing base (15), and bumper shock absorber (14) are fixed in dust layer (7) through fixing base (15), the bottom of bumper shock absorber (14) is rotated and is connected with embedded bearing (12), one side fixedly connected with adjust knob (4) of embedded bearing (12), the middle part material of dust layer (7) is the rubber material, the material at dust layer (7) both ends is plastics or metal material, the top fixedly connected with of dust layer (7) is located the inside first screw thread post (8) of spliced pole (3), the bottom surface of the connecting column (3) is provided with a first threaded groove (9) matched with the first threaded column (8) for use, the bottom of the dustproof layer (7) is provided with a second threaded column (10) positioned inside the bottom column (5), the bottom column (5) is positioned at the bottom of the dustproof layer (7), and the top surface of the bottom column (5) is provided with a second threaded groove (11) matched with the second threaded column (10) for use;

the bottom fixedly connected with buffering post (6) of foundation (5), buffering post (6) are connected with foundation (5) through a plurality of fixed columns, and are a plurality of the equal fixedly connected with in top of fixed column is located inside bradyseism spring (13) of foundation (5).

2. The landing rack shock absorption structure for unmanned aerial vehicle as claimed in claim 1, wherein the buffering column (6) is made of rubber, and the inside of the buffering column (6) is hollow.

3. The landing rack shock absorption structure for the unmanned aerial vehicle of claim 1, wherein the centers of the first threaded column (8) and the fixed seat (15) are coaxial.

4. The landing gear shock-absorbing structure for unmanned aerial vehicle of claim 1, wherein the centers of circle of the embedded bearing (12) and the second threaded column (10) are coaxial.

5. The landing gear shock-absorbing structure for unmanned aerial vehicle of claim 1, wherein the top of the housing (2) is symmetrically distributed with a plurality of fan blades (1).